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2004-07-20 Frank Ch. Eigler <fche@redhat.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
2
3         * tree-mudflap.c (mf_set_options_fndecl): New tree.
4         (mudflap_init): Set it.
5         (mudflap_register_call): Remove __mf_init call.
6         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
7         to pass "-ignore-reads" option to libmudflap if needed.
8
9 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
10
11         PR c++/14607
12         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
13         (MAKE_DECL_ONE_ONLY): Undefine.
14         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
15         readonly_data, one_only_data_section, forget_section): New prototypes.
16         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
17         functions.
18         (pa_select_section): Add one-only (COMDAT) support.
19         * pa.h (struct machine_function): Define.
20         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
21         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
22         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
23         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
24         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
25         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
26         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
27         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
28         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
29         for EXTRA_SECTION_FUNCTIONS.
30         * doc/install.texi: Update binutils requirements.
31
32 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
33
34         * dbxout.c (dbxout_type): Fix printf format.
35
36         * tree.h (binfo_member): Remove.
37         * tree.c (binfo_member): Remove.
38
39 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
40
41         * tree.h: Include vec.h
42         (DEF_VEC_P(tree)): New type.
43         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
44         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
45         (BINFO_LANG_SLOT): Remove.
46         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
47         (struct tree_binfo): Turn base_binfos into a trailing
48         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
49         (binfo_lang_slots): Remove.
50         * tree.c (binfo_lang_slots): Remove.
51         (make_tree_binfo_stat): Take a base binfo count, not a
52         lang slot count.  Adjust.
53         * Makefile.in (TREE_H): Add vec.h
54         * alias.c (record_component_aliases): Adjust BINFO access.
55         * dbxout.c (dbxout_type): Likewise.
56         * dwarf2out.c (gen_member_die): Likewise.
57         * sdbout.c (sdbout_one_type): Likewise.
58         * tree-dump.c (deque_and_dump): Likewise.
59         * config/i386/i386.c (classify_argument,
60         contains_128bit_aligned_vector_p): Likewise.
61         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
62         * doc/c-tree.texi (Classes): Update BINFO documentation.
63
64 2004-07-20  Steven Bosscher  <stevenb@suse.de>
65
66         * c-common.h (check_case_value): Remove prototype.
67         (c_add_case_label): Adjust prototype.
68         * c-common.c (check_case_value): Make static.
69         (check_case_bounds): New function.
70         (c_add_case_label): Use it.  Take new argument orig_type.
71         * c-typeck.c (struct c_switch): New orig_type field.
72         (c_start_case): Set it.
73         (do_case): Pass it to c_add_case_label.
74         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
75         cases from here.  Add the labels in reverse order.
76         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
77         (add_case_node): Return nothing, don't check for duplicate cases.
78         Insert new case nodes in a list, not in an AVL tree.
79         (expand_end_case_type): Don't turn a case tree into a case list.
80         (case_tree2list): Remove.
81         * tree.h (add_case_node): Adjust prototype.
82
83 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
84
85         * genattr.c (struct range, struct function_unit,
86         write_units, extend_range, init_range): Remove them.
87         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
88         Output "#define INSN_SCHEDULING" here.
89         * genattrtab.c (struct range, struct function_unit_op,
90         struct function_unit, struct dimension, enum operator,
91         operate_exp, expand_units, simplify_knowing,
92         encode_units_mask, simplify_by_exploding,
93         find_and_mark_used_attributes, unmark_used_attributes,
94         add_values_to_cover, increment_current_value,
95         test_for_current_value, simplify_with_current_value,
96         simplify_with_current_value_aux, gen_unit,
97         write_unit_name, write_function_unit_info,
98         write_complex_function, write_toplevel_expr,
99         find_single_value, extend_range): Remove.
100         (write_attr_get): Do not handle common_av->value
101         being an FFS.
102         (struct attr_desc): Remove func_units_p and blockage_p.
103         (write_attr_valueq): Do not handle them.
104         (find_attr): Do not clear them.
105         (make_internal_attr): Do not initialize them.
106         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
107         * sched-vis.c (init_target_units, insn_print_units,
108         init_block_visualization, print_block_visualization,
109         visualize_scheduled_insns, visualize_no_unit,
110         visualize_stall_cycles, visualize_alloc,
111         visualize_free, target_units, get_visual_tbl_length,
112         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
113         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
114         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
115         * haifa-sched.c (blockage_range, clear_units,
116         schedule_unit, actual_hazard, potential_hazard,
117         insn_unit, unit_last_insn, unit_tick,
118         actual_hazard_this_instance, potential_hazard,
119         schedule_unit, max_insn_queue_index_value): Remove.
120         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
121         max_insn_queue_index.
122         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
123         * doc/md.texi (Processor pipeline description): Remove
124         references to old pipeline descriptions.
125         (Automaton pipeline description): Merge with the above.
126         (Old pipeline description, Comparison of the two descriptions):
127         Remove.
128
129         * bt-load.c (migrate_btr_def): Remove references to
130         use_pipeline_interface.
131         * haifa-sched.c (insn_cost, schedule_insn,
132         schedule_block, advance_one_cycle, sched_init,
133         queue_to_ready, sched_finish): Likewise.
134         * modulo-sched.c (sms_schedule, advance_one_cycle,
135         ps_has_conflicts): Likewise.
136         * sched-rgn.c (init_ready): Likewise.
137         (debug_dependencies): Likewise, and remove an "if (1)".
138         * target.h (use_dfa_pipeline_interface): Remove.
139         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
140         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
141         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
142         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
143         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
144         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
145         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
146         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
147         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
148         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
149         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
150         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
151         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
152         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
153         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
154         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
155         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
156         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
157         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
158
159 2004-07-19  Roger Sayle  <roger@eyesopen.com>
160
161         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
162
163 2004-07-19  Jeff Law  <law@redhat.com>
164
165         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
166         (get_eq_expr_value): Use it.  Simplify slightly.
167  
168 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
169
170         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
171         (umulsidi3_32bit_r4000): Likewise.
172
173 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
174
175         * vec.h: Propagate location information properly.
176         (VEC_T_iterate): Add result pointer parameter.
177         (VEC_T_space): New.
178         (VEC_T_reserve): Use it.
179
180 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
181
182         * Makefile.in (c-format.o): Depend on c-format.h.
183         * c-format.h: New file.
184         (struct format_char_info): Add CHAIN member.
185         * c-format.c: Move some types and constants to c-format.h.
186         (format_type_error): Set to -1.
187         (struct function_format_info): Use an int for format_type.
188         (decode_format_type): Return an int.  Return format_type_error
189         on error.
190         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
191         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
192         (scan_char_table, time_char_table, monetary_char_table): Initialize
193         CHAIN to NULL.
194         (n_format_types): New variable.
195         (check_format_info_main): Handle CHAIN in format_char_info.
196         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
197         TARGET_N_FORMAT_TYPES.
198         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
199         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
200         * config/sol2-c.c: New file.
201         * config/t-sol2: New file.
202         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
203         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
204         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
205
206         * doc/extend.texi (Target Format Checks): New section.
207         (Function Attributes): Mention it.
208         * doc/invoke.texi: Mention target format checks.
209         * doc/sourcebuild.texi: Mention target format checks.
210         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
211         TARGET_FORMAT_TYPES.
212
213 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
214
215         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
216         added.
217         * config/s390/s390.c (regclass_map initializer): Register 35 added to
218         ADDR_REGS.
219         (load_multiple_operation, store_multiple_operation): Removed
220         pointless sanity check. 
221         (s390_decompose_address): Added check for return_address_pointer_rtx.
222         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
223         (s390_return_address_offset): New function.
224         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
225         (FRAME_REGNO_P): Added check for register 35.
226         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
227         REG_ALLOC_ORDER): Appended entry for register 35.
228         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
229         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
230         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
231         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
232         is eliminable using stack pointer or hard frame pointer.
233         (REGISTER_NAMES): Added name for register 35.
234         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
235         pointless sanity check.
236
237 2004-07-19  Roger Sayle  <roger@eyesopen.com>
238
239         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
240         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
241         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
242         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
243         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
244         (fold_relational_const): Tidy up handling of floating point
245         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
246         transformation; fold_relational_const assumes constant operands.
247
248 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
249
250         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
251         directory. 
252
253 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
254
255         * c-tree.h (struct c_expr): Define.
256         (C_SET_EXP_ORIGINAL_CODE): Remove.
257         (parser_build_binary_op, build_compound_expr): Update prototypes.
258         * c-parse.in (%union): Add exprtype.
259         (FUNC_NAME): Mark as ttype.
260         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
261         exprtype.
262         (expr): Update.  Define directly in terms of expr_no_commas
263         instead of using nonnull_exprlist.
264         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
265         offsetof_member_designator, typespec_nonreserved_nonattr, init,
266         initval, designator, component_declarator,
267         component_notype_declarator, enumerator, array_declarator,
268         condition, exexpr, switch_statement, stmt_nocomp, stmt,
269         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
270         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
271         where appropriate.
272         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
273         * c-common.c (c_common_truthvalue_conversion): Don't check
274         C_EXP_ORIGINAL_CODE.
275         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
276         Don't use C_EXP_ORIGINAL_CODE.
277         (default_conversion, default_function_array_conversion): Don't use
278         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
279         (internal_build_compound_expr): Merge into build_compound_expr.
280         (build_compound_expr): Take two operands instead of a TREE_LIST.
281         * objc/objc-act.c (get_super_receiver): Update calls to
282         build_compound_expr.
283
284 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
285
286         * config/sh/sh.c (sh_use_dfa_interface): Remove.
287         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
288         hook_int_void_1.
289         * config/sh/sh.md: Extract pipeline descriptions
290         into separate files.
291         * config/sh/sh1.md: New file, extracted from sh.md.
292         * config/sh/sh4.md: New file, extracted from sh.md.
293         * config/sh/shmedia.md: New file, extracted from sh.md
294         and rewritten using new-style pipeline description.
295
296 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
297
298         * config/pa/pa.md: Delete the two remaining define_peephole
299         patterns.
300
301 2004-07-18  Steven Bosscher  <stevenb@suse.de>
302             Joseph S. Myers  <jsm@polyomino.org.uk>
303
304         * c-common.c (c_common_truthvalue_conversion): Don't warn if
305         TREE_NO_WARNING is set.
306
307 2004-07-18  Roger Sayle  <roger@eyesopen.com>
308
309         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
310         simplify_builtin_strncmp): Delete.
311         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
312         Change argument to accept an arglist instead of an "exp".  Assume
313         that the return type is always integer_type_node.  Copy missing
314         transformations from their now obsolete simplify_builtin_*
315         equivalents.
316         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
317         fold_builtin_strcmp and fold_builtin_strncmp.
318         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
319         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
320         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
321
322 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
323
324         * Makefile.in (tree-alias-common.o): Update dependencies.
325
326 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
327
328         * cfgloop.c (flow_loop_nested_p): Fix comment.
329
330 2004-07-17  Jason Merrill  <jason@redhat.com>
331
332         PR c++/16115
333         * stor-layout.c (relayout_decl): New fn.
334         * tree.h: Declare it.
335         (DECL_BY_REFERENCE): New macro.
336
337 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
338
339         * libgcc2.c (__enable_execute_stack): New symbol.
340         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
341         and declare __enable_execute_stack.
342         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
343         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
344         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
345         ENABLE_EXECUTE_STACK.
346         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
347         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
348         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
349         ENABLE_EXECUTE_STACK.
350         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
351         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
352         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
353         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
354         ENABLE_EXECUTE_STACK.
355         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
356         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
357         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
358         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
359         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
360         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
361         (sparc64_initialize_trampoline): Likewise.
362         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
363
364 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
365
366         * langhooks.h (builtin_function): New langhook.
367         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
368         (LANG_HOOKS_INITIALIZER): Update.
369         * tree.h (builtin_function): Remove.
370         * doc/tm.texi: Update.
371         * c-tree.h (builtin_function): Declare.
372         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
373         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
374         config/ia64/ia64.c, config/iq2000/iq2000.c,
375         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
376         config/stormy16/stormy16.c: All callers of builtin_function
377         changed.
378
379 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
380
381         PR target/16556
382         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
383         Remove white space after the backslash.
384
385 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
386
387         PR rtl-optimization/16294
388         * resource.c (return_insn_p): New predicate.
389         (mark_target_live_regs): Use it.  Special-case return insns.
390         (init_resource_info): Use it.  Don't scan the epilogue past
391         a return.
392
393 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
394
395         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
396         destroy dominance information.
397         * passes.c (rest_of_handle_loop2):  Free dominance information.
398         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
399         jump threading.
400         (thread_jumps): Update dominance information and remove unreachable
401         blocks.
402         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
403         information and remove the unreachable block.
404
405 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
406
407         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
408
409 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
410
411         * doc/sourcebuild.texi: Remove libf2c entry.
412
413 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
414
415         * config/i386/i386.md (movv16qi_internal): Fix typo.
416
417 2004-07-17  Steven Bosscher  <stevenb@suse.de>
418
419         * final.c (final_scan_insn): Fix broken commit from previous
420         patch.
421
422 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
423
424         * c-typeck.c (parser_build_binary_op): Condition warnings for
425         X<=Y<=Z on -Wparentheses instead of -Wextra.
426         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
427         supported for C only.
428
429 2004-07-17  Steven Bosscher  <stevenb@suse.de>
430
431         * cfgcleanup.c (try_simplify_condjump): Don't remove line
432         notes to avoid unreachable code warnings.
433         * toplev.c (backend_init): Don't emit line notes for
434         unreachable code warnings.
435
436         * combine.c (distribute_notes): Don't distribute a
437         REG_VTABLE_REF note.
438         * final.c (final_scan_insn): Don't handle it.
439         * rtl.c (reg_note_name): Remove it.
440         * rtl.h (enum reg_node): Dito.
441
442         * emit-rtl.c (force_line_numbers, restore_line_number_status):
443         Remove.
444         * rtl.h (force_line_numbers, restore_line_number_status):
445         Remove prototypes.
446
447         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
448         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
449         (using_eh_for_cleanups): Also moved here.
450
451         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
452         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
453         to expand_start_case and add_case_node.
454         * stmt.c (struct nesting): Cleanup unused fields condition_code,
455         last_unconditional_cleanup, nominal_type, printname, and
456         line_number_status.
457         (struct fixup_goto): Remove.
458         (struct stmt_status): Remove x_goto_fixup_chain field.
459         (goto_fixup_chain): Remove.
460         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
461         pushcase, pushcase_range): Remove.
462         (expand_start_bindings_and_block): Don't set unused fields in
463         the nesting stack.
464         (expand_start_case, add_case_node): Cleanup unused formal arguments.
465         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
466         instead of emit_jump_if_reachable.
467         (emit_case_nodes): Likewise.
468         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
469         static.
470         (update_eh_label): Work around left-over exception handing regions.
471         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
472         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
473         (pass_cleanup_cfg_post_optimizing): New pass.
474         (init_tree_optimization_passes): Run the new pass after all
475         optimizations.
476         * tree.h (pushcase, pushcase_range): Remove prototypes.
477         (expand_start_case, add_case_node): Update prototypes.
478
479 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
480
481         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
482
483 2004-07-16  Richard Henderson  <rth@redhat.com>
484
485         * builtins.c (std_expand_builtin_va_arg): Remove.
486         (expand_builtin_va_arg): Remove.
487         * expr.h: Don't declare them.
488         * gimplify.c (mark_decls_volatile_r): Remove.
489         (copy_if_shared_r): Don't call it.
490         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
491         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
492         * gimple-low.c (lower_stmt): Likewise.
493         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
494         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
495         * tree-ssa-operands.c (get_expr_operands): Likewise.
496         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
497         EXPAND_BUILTIN_VA_ARG.
498         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
499         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
500         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
501         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
502
503 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
504
505         * tree-ssa-pre.c (insert_aux): Break out if we hit
506         a critical edge.
507
508 2004-07-16  Richard Henderson  <rth@redhat.com>
509
510         * basic-block.h (remove_fake_exit_edges): Declare.
511         * cfganal.c (remove_fake_predecessors): Rename from
512         remove_fake_successors; iterate over predecessors.
513         (remove_fake_exit_edges): New.
514         * cfgcleanup.c (try_optimize_cfg): Use it.
515         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
516         * predict.c (estimate_probability): Likewise.
517         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
518         * tree-cfg.c (make_edges): Likewise.
519         * tree-ssa-pre.c (fini_pre): Likewise.
520         * profile.c (instrument_edges): Don't remove_fake_edges.
521         (branch_prob): Do it earlier here.
522
523 2004-07-16  Richard Henderson  <rth@redhat.com>
524
525         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
526         switchification wrt CONSTRUCTOR.  Document the reason.
527
528 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
529
530         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
531         that prevented descriptive __mf_check source location strings.
532
533 2004-07-16  Richard Henderson  <rth@redhat.com>
534
535         * tree-def (WITH_SIZE_EXPR): New.
536         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
537         * expr.c (expand_expr_real_1): Likewise.
538         * gimplify.c (maybe_with_size_expr): New.
539         (gimplify_arg, gimplify_modify_expr): Use it.
540         (gimplify_modify_expr_to_memcpy): Take size parameter.
541         (gimplify_modify_expr_to_memset): Likewise.
542         (gimplify_expr): Handle WITH_SIZE_EXPR.
543         * tree-alias-common.c (find_func_aliases): Likewise.
544         * tree-eh.c (tree_could_trap_p): Likewise.
545         (tree_could_throw_p): Likewise.
546         * tree-gimple.c (is_gimple_lvalue): Likewise.
547         (get_call_expr_in): Likewise.
548         * tree-inline.c (estimate_num_insns_1): Likewise.
549         (expand_calls_inline): Likewise.
550         * tree-nested.c (convert_call_expr): Likewise.
551         * tree-pretty-print.c (dump_generic_node): Likewise.
552         * tree-sra.c (sra_walk_expr): Likewise.
553         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
554         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
555         * tree-ssa-operands.c (get_expr_operands): Likewise.
556         * tree-tailcall.c (find_tail_calls): Likewise.
557
558         * calls.c (expand_call): Reset old_stack_allocated after
559         calling emit_stack_restore.
560
561 2004-07-16  Richard Henderson  <rth@redhat.com>
562
563         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
564         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
565         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
566         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
567         copy_res_decl_for_inlining.
568
569         * tree-inline.c (declare_return_variable): New modify_dest argument.
570         Use it as the return value, when possible or manditory.  Handle
571         TREE_ADDRESSABLE types.
572         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
573         replacement of CALL_EXPR.
574
575 2004-07-16  Richard Henderson  <rth@redhat.com>
576
577         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
578         * gimple-low.c (expand_var_p): Don't check it.
579         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
580         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
581         * tree-ssa-operands.c (add_stmt_operand): Likewise.
582         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
583         (find_referenced_vars): Don't call them.
584         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
585
586 2004-07-16  Richard Henderson  <rth@redhat.com>
587
588         * function.c (pass_by_reference): True for all variable sized types.
589
590 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
591
592         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
593         * tree-pretty-print.c: Include tree-chrec.h.
594         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
595         and POLYNOMIAL_CHREC nodes.
596
597 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
598
599         * builtins.c (expand_builtin_stpcpy): Do not create temporary
600         reg with VOIDmode.
601
602 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
603
604         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
605
606 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
607
608         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
609         to BASE_REGNUM.
610         * config/s390/s390.c: Likewise.
611         * config/s390/s390.h: Likewise.
612
613 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
614
615         * config/mips/mips.md (addsi3, adddi3): Remove special handling
616         of $sp adds.  Remove REGNO checks from mips16 patterns.
617
618 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
619
620         * config/mips/mips.md: Delete outdated comment.
621
622 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
623
624         * config/mips/mips.c (get_float_compare_codes): Delete.
625         (mips_emit_compare): New function, mostly extracted from
626         get_float_compare_codes and gen_conditional_branch.
627         (gen_conditional_branch, gen_conditional_move): Use it.
628
629 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
630
631         * genautomata.c (add_vect): Speedup by using integers as
632         bit-vectors for walking through the comb_vect and finding
633         a match.
634
635 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
636
637         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
638         operand is an uns_arith_operand; use subtraction otherwise.
639         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
640         not just arith_operands.
641
642 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
643
644         * config/mips/mips-protos.h (gen_int_relational): Delete.
645         (mips_emit_scc): Declare.
646         * config/mips/mips.c (internal_test): Delete.
647         (sle_operand, sleu_operand): New functions.
648         (map_test_to_internal_test, gen_int_relational): Delete.
649         (mips_emit_binary, mips_relational_operand_ok_p)
650         (mips_emit_int_relational, mips_zero_if_equal)
651         (mips_emit_scc): New functions.
652         (gen_conditional_branch): Rework to use mips_emit_int_relational.
653         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
654         sleu_operand.
655         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
656         (sltu, sleu): Use mips_emit_scc.
657         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
658         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
659         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
660
661 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
662
663         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
664
665 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
666
667         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
668         (*sne_[sd]i): Likewise sne_[sd]i_zero.
669         (*sgt_[sd]i): ...and sgt_[sd]i.
670         (*slt_[sd]i): ...and slt_[sd]i.
671         (*sgtu_[sd]i): ...and sgtu_[sd]i.
672         (*sltu_[sd]i): ...and sltu_[sd]i.
673         (*sleu_[sd]i): ...and sleu_[sd]i_const.
674         Name previously unnamed mips16 patterns.  Formatting fixes.
675
676 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
677
678         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
679         (branch_type): Delete.
680         (gen_conditional_branch, gen_conditional_move)
681         (mips_gen_conditional_trap): Update after name change.  Get the
682         comparison mode from cmp_operands[0].
683         * config/mips/mips.h (cmp_type, branch_type): Delete.
684         (cmp_operands): Renamed from branch_cmp.
685         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
686         name change.  Don't set branch_type.
687         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
688         mode class of cmp_operands[0] rather than branch_type.  Update after
689         name change.
690
691 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
692
693         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
694         of 0...255 to 0 when inside a SET.
695
696 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
697
698         * config/mips/mips.md: Remove mips16 define_peepholes.
699
700 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
701
702         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
703         (fini_pre): Remove fake edges.
704
705 2004-07-15  Richard Henderson  <rth@redhat.com>
706
707         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
708         (get_indirect_ref_operands, get_call_expr_operands): ... these.
709
710 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
711
712         * vec.h (VEC_address): New function.
713
714 2004-07-14  Jason Merrill  <jason@redhat.com>
715
716         PR middle-end/15885
717         * gimplify.c (gimplify_arg): New fn, split out from...
718         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
719
720 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
721
722         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
723         generate code which is generated by pushqi1 now
724         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
725
726 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
727
728         * combine.c (simplify_set): match the mode of the constant 0 with
729         the tested operand to match the compare behaviour and the
730         simplify_relational_operation() expectation.
731
732 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
733
734         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
735         ("bordered"): Same.
736
737 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
738
739         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
740         unconditionally.
741         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
742
743 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
744
745         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
746         calls in mips16 code.
747
748 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
749
750         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
751         the destination of the li as well as for the neg.
752
753 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
754
755         g++/15861
756         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
757         * cgraph.h: Update declaration.
758         * c-decl.c (build_cdtor): Update call with default priority.
759         * coverage.c (create_coverage): Ditto.
760         * tree-mudflap.c (mf_init_fndecl): New tree.
761         (mudflap_init): Set it.
762         (mudflap_register_call): Arrange to call __mf_init before the first
763         __mf_register call.
764         (mudflap_finish_file): Mark the mudflap static initializer as extra
765         high priority, to beat all C++ static constructors.
766
767 2004-07-15  Jeff Law  <law@redhat.com>
768
769         * loop.c (check_insn_for_givs): Restore check for code labels that was
770         accidentally deleted by a recent checkin.
771
772 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
773
774         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
775         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
776
777 2004-07-14  Richard Henderson  <rth@redhat.com>
778
779         * print-tree.c (print_node): Fix casts last change.
780
781 2004-07-15  Paul Brook  <paul@codesourcery.com>
782
783         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
784         to TARGET_UNWIND_INFO.
785         * except.c (output_function_exception_table): Ditto.
786         * except.h: Ditto.
787         * opts.c (decode_options): Ditto.
788         * passes.c (rest_of_handle_final): Ditto.
789         * final.c (final_start_function): Ditto.
790         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
791         target hook.
792         * targhooks.h (default_unwind_emit): Declare.
793         * targhooks.c (default_unwind_emit): New function.
794         * target-def.h: Define and use TARGET_UNWIND_EMIT.
795         * target.h (struct gcc_target): Add unwind_emit.
796         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
797         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
798         Remove IA64_UNWIND_EMIT.
799         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
800
801 2004-07-14  Richard Henderson  <rth@redhat.com>
802
803         * print-tree.c (print_node): Handle SSA_NAME.
804
805 2004-07-14  James E Wilson  <wilson@specifixinc.com>
806
807         PR target/16325
808         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
809         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
810
811 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
812
813         * expr.c (expand_assignment): Reenable bitfield += optimizations.
814         Use alias set 0 for memory, do proper mode calculations and adjust
815         address for memories.
816
817 2004-07-14  Per Bothner  <per@bothner.com>
818
819         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
820         structure with extra column field.
821         * tree.c (expand_location):  Also fill in column field.
822         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
823         gets confused by the two conditionally-compiled definitions.
824
825 2004-07-14  Eric Christopher  <echristo@redhat.com>
826
827         * calls.c (expand_call): Fix typo in comment.
828
829 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
830
831         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
832         comparision of TFmode.
833
834 2004-07-14  Richard Henderson  <rth@redhat.com>
835
836         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
837         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
838         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
839         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
840         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
841         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
842         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
843         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
844         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
845
846 2004-07-14  Mike Stump  <mrs@apple.com>
847
848         * config/darwin.h (WINT_TYPE): Define to be int to match
849         system header files.
850
851 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
852
853         * config/xtensa/xtensa.c (function_arg_advance): Check for args
854         that must be passed in the stack.
855         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
856         arguments if the size is not a constant.
857
858 2004-07-14  Per Bothner  <per@bothner.com>
859
860         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
861         instead of EXPR_LOCUS in a boolean context, which is always true
862         if --enable-mapped-location.
863         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
864
865 2004-07-14  Richard Henderson  <rth@redhat.com>
866
867         * dominance.c (struct dom_info): Add fake_exit_edge.
868         (init_dom_info): Allocate it.
869         (free_dom_info): Free it.
870         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
871         in two passes.
872         (calc_idoms): Honor fake_exit_edge.
873
874 2004-07-13  Jason Merrill  <jason@redhat.com>
875
876         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
877         (rhs_test_for): New fn.
878         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
879         * tree-gimple.h: Declare them.
880         * gimplify.c (gimplify_modify_expr): Use the new fns.
881
882 2004-07-14  Richard Henderson  <rth@redhat.com>
883
884         * config/arm/arm-protos.h (arm_va_arg): Remove.
885         * config/arm/arm.c (arm_va_arg): Remove.
886         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
887         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
888
889 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
890
891         * pa.c (fix_range): New function to mark a range(s) of registers as
892         fixed registers.
893         (override_options): Call fix_range if the -mfixed-range option string
894         is not empty.
895         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
896         * doc/invoke.texi (-mfixed-range): Document new option.
897
898 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
899
900         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
901         for TARGET_64BIT.
902         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
903
904 2004-07-14  Roger Sayle  <roger@eyesopen.com>
905
906         * expmed.c (expand_sdiv_pow2): New function to expand signed division
907         by a positive power of two, split out from expand_divmod.  Provide
908         an alternate implementation when shifts are expensive.  Lower the
909         threshold for using a branchless implementation to BRANCH_COST >= 2.
910         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
911
912 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
913
914         * tree-dfa.c (make_rename_temp): *Really* work just
915         like create_tmp_var if called while outside SSA form.
916
917 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
918
919         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
920         for division by zero.
921         ("umodsi3"): Likewise.
922
923 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
924
925         * config/mips/mips.c (mips_output_move): When generating mips16 code,
926         force loads of negative constants to be split.
927         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
928         Generalize SImode li/neg splitter to cope with other modes.
929
930 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
931
932         * expmed.c: Remove more references to QUEUED in the comments.
933         * expr.c: Likewise.
934
935 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
936
937         Revert:
938         2004-07-13  Richard Henderson  <rth@redhat.com>
939         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
940         correctly.
941
942 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
943
944         * tree-dfa.c (make_rename_temp): Work just like
945         create_tmp_var if called while outside SSA form.
946
947 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
948
949         * expr.c (enqueue_insn, finish_expr_for_function,
950         protect_from_queue, queued_subexp_p, mark_queue,
951         emit_insns_enqueued_after_mark, emit_queue,
952         expand_increment): Remove.
953         (store_constructor): Expand increment as an assignment.
954         (expand_expr_real_1 <case PREINCREMENT_EXPR,
955         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
956         case POSTDECREMENT_EXPR>): Abort.
957         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
958         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
959         protect_from_queue, emit_queue, queued_subexp_p): Remove.
960         * function.h (pending_chain, x_pending_chain): Remove.
961         * rtl.def (QUEUED): Remove.
962
963         * emit-rtl.c (copy_insn_1, copy_most_rtx,
964         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
965         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
966         encode_units_mask): Likewise.
967         * local-alloc.c (equiv_init_varies_p): Likewise.
968         * rtl.c (copy_rtx): Likewise.
969         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
970         * simplify-rtx.c (simplify_gen_subreg): Likewise.
971         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
972
973         * builtins.c (expand_builtin, expand_builtin_apply,
974         expand_builtin_mathfn, expand_builtin_mathfn_2,
975         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
976         Remove calls to emit_queue and protect_from_queue.
977         * calls.c (expand_call, precompute_arguments,
978         precompute_register_parameters, rtx_for_function_call,
979         store_one_arg): Likewise.
980         * dojump.c (do_compare_and_jump, do_jump): Likewise.
981         * explow.c (memory_address): Likewise.
982         * expmed.c (clear_by_pieces_1, clear_storage,
983         clear_storage_via_libcall, emit_group_load,
984         emit_group_store, emit_store_flag,
985         expand_expr_real_1, store_by_pieces,
986         store_constructor, store_expr, try_casesi,
987         try_tablejump): Likewise.
988         * function.c (expand_pending_sizes): Likewise.
989         * optabs.c (emit_cmp_and_jump_insns,
990         emit_conditional_add, emit_conditional_move,
991         expand_fix, expand_float, prepare_cmp_insn): Likewise.
992         * stmt.c (emit_case_bit_tests,
993         expand_asm_expr, expand_computed_goto,
994         expand_decl_init, expand_end_case_type,
995         expand_end_stmt_expr, expand_expr_stmt_value,
996         expand_return, expand_start_case,
997         optimize_tail_recursion): Likewise.
998         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
999         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
1000
1001 2004-07-14  Ben Elliston  <bje@au.ibm.com>
1002
1003         * vec.h: Comment fix.
1004
1005 2004-07-13  Richard Henderson  <rth@redhat.com>
1006
1007         * target.h (struct gcc_target): Add calls.pass_by_reference.
1008         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
1009         * function.c (pass_by_reference): Use the hook.
1010         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
1011         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
1012         (hook_pass_by_reference_must_pass_in_stack): New.
1013         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
1014         (alpha_pass_by_reference): New.
1015         (TARGET_PASS_BY_REFERENCE): New.
1016         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1017         * config/arc/arc.c (arc_pass_by_reference): New.
1018         (TARGET_PASS_BY_REFERENCE): New.
1019         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1020         (FUNCTION_ARG_CALLEE_COPIES): True.
1021         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
1022         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
1023         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
1024         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1025         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1026         * config/cris/cris.c (cris_pass_by_reference): New.
1027         (TARGET_PASS_BY_REFERENCE): New.
1028         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
1029         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
1030         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1031         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
1032         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1033         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
1034         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
1035         (frv_function_arg_pass_by_reference): Remove.
1036         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1037         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
1038         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
1039         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
1040         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1041         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
1042         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
1043         (ia64_pass_by_reference): Rename from
1044         ia64_function_arg_pass_by_reference.
1045         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1046         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1047         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
1048         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
1049         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
1050         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1051         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1052         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
1053         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
1054         (m32r_pass_by_reference): Adjust prototype.  Make static.
1055         Handle mode sizes correctly.
1056         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1057         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
1058         (m68hc11_function_arg_pass_by_reference): Remove.
1059         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1060         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1061         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
1062         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1063         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
1064         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
1065         (mips_va_arg): Use pass_by_reference.
1066         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
1067         Handle mode sizes correctly.
1068         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1069         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1070         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
1071         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
1072         (mmix_pass_by_reference): Rename from
1073         mmix_function_arg_pass_by_reference.
1074         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1075         (FUNCTION_ARG_CALLEE_COPIES): True.
1076         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
1077         (mn10300_pass_by_reference): New.
1078         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1079         (FUNCTION_ARG_CALLEE_COPIES): True.
1080         * config/pa/pa.c (pa_pass_by_reference): New.
1081         (TARGET_PASS_BY_REFERENCE): New.
1082         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1083         (FUNCTION_ARG_CALLEE_COPIES): True.
1084         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
1085         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
1086         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
1087         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1088         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
1089         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
1090         (s390_pass_by_reference): Rename from
1091         s390_function_arg_pass_by_reference.
1092         (s390_function_arg_advance): Don't query pass-by-ref.
1093         (s390_function_arg): Likewise.
1094         (s390_gimplify_va_arg): Use pass_by_reference.
1095         (s390_call_saved_register_used): Likewise.
1096         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1097         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
1098         (shcompact_byref, sh_pass_by_reference): New.
1099         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1100         (SHCOMPACT_BYREF): Remove.
1101         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
1102         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
1103         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
1104         (sparc_gimplify_va_arg): Use pass_by_reference.
1105         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1106         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1107         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
1108         (v850_pass_by_reference): New.
1109         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1110         (FUNCTION_ARG_CALLEE_COPIES): True.
1111         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
1112         FUNCTION_ARG_PASS_BY_REFERENCE docs.
1113
1114 2004-07-14  Richard Henderson  <rth@redhat.com>
1115             Richard Sandiford  <rsandifo@redhat.com>
1116
1117         * config/mips/mips-protos.h (mips_va_arg): Delete.
1118         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
1119         * config/mips/mips.c: Include tree-gimple.h.
1120         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
1121         (mips_arg_info): Remove special handling of must_pass_in_stck args.
1122         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
1123         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
1124
1125 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
1126
1127         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
1128         arguments for COND_EXPR in big-endian adjustment code.
1129
1130 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1131
1132         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
1133         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
1134         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
1135         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
1136
1137 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1138
1139         PR tree-optimization/16443
1140         * tree-ssa-alias.c: Add more description for
1141         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
1142         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
1143         clobbering of call-clobbered and addressable variables.  If
1144         there are any before aliases have been computed, add them.
1145
1146 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1147
1148         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
1149         verification.
1150
1151 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
1152
1153         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
1154         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
1155         to the same type.
1156
1157 2004-07-13  Per Bothner  <per@bothner.com>
1158
1159         * collect2.c (main):  Handle --no-demangle and --demangle flags.
1160
1161 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
1162
1163         * Makefile.in (OBJS-common): Add tree-data-ref.o.
1164         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
1165         (tree-data-ref.o): New rule.
1166         * lambda.h: New file.
1167         * tree-data-ref.c: New file.
1168         * tree-data-ref.h: New file.
1169         * tree.c (int_cst_value, tree_fold_gcd): New functions.
1170         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
1171
1172 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1173
1174         PR target/13926
1175         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
1176         * config/sparc/sparc.c (output_ubranch): New function.
1177         * config/sparc/sparc.md (jump pattern): Use it.
1178
1179 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1180
1181         PR target/16494
1182         * config/sparc/sparc.c (output_cbranch): Properly guard
1183         the code handling far branches with TARGET_V9.
1184         * config/sparc/sparc.md (length attribute): Document the
1185         side-effect of having a length greater or equal to 3.
1186
1187 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1188             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
1189
1190         PR target/15186
1191         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
1192         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
1193
1194 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1195             Martin Sebor  <sebor@roguewave.com>
1196
1197         PR target/12602
1198         * doc/invoke.texi (SPARC options): Document -threads
1199         and -pthreads on Solaris.
1200
1201 2004-07-13  Richard Henderson  <rth@redhat.com>
1202
1203         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
1204         by reference.
1205         (ind_gimplify_va_arg_expr): Remove.
1206         * tree.h (ind_gimplify_va_arg_expr): Remove.
1207         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
1208         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
1209         argsp to be null.
1210
1211         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
1212         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
1213         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
1214         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
1215         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
1216
1217 2004-07-13  Richard Henderson  <rth@redhat.com>
1218
1219         * function.c (pass_by_reference): New.
1220         (assign_parm_find_data_types): Use it.
1221         * calls.c (initialize_argument_information): Likewise.
1222         (emit_library_call_value_1): Likewise.
1223         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1224         * function.h (pass_by_reference): Declare.
1225
1226 2004-07-13  Richard Henderson  <rth@redhat.com>
1227
1228         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
1229         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
1230         * expr.h (MUST_PASS_IN_STACK): Remove.
1231         * system.h (MUST_PASS_IN_STACK): Poison.
1232         * tree.h (must_pass_in_stack_var_size): Declare.
1233         (must_pass_in_stack_var_size_or_pad): Declare.
1234         * calls.c (must_pass_in_stack_var_size): New.
1235         (must_pass_in_stack_var_size_or_pad): Rename from
1236         default_must_pass_in_stack.
1237         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
1238         (TARGET_MUST_PASS_IN_STACK): New.
1239         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
1240         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
1241         (TARGET_MUST_PASS_IN_STACK): New.
1242         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
1243         * config/frv/frv.c (frv_must_pass_in_stack): New.
1244         (TARGET_MUST_PASS_IN_STACK): New.
1245         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
1246         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
1247         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
1248         (ix86_must_pass_in_stack): Make static.
1249         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
1250         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
1251         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
1252         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
1253         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
1254         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
1255         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
1256         (mcore_must_pass_on_stack): Remove.
1257         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
1258         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
1259         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
1260         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
1261         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
1262         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
1263         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
1264         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
1265         (TARGET_MUST_PASS_IN_STACK): New.
1266         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
1267         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
1268         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
1269         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
1270         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
1271         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
1272         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
1273         MUST_PASS_IN_STACK.
1274
1275         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
1276         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
1277         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
1278         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
1279         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
1280         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
1281         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
1282         config/xtensa/xtensa.c: Use target hook.
1283
1284 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
1285
1286         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
1287         * configure: Rebuilt.
1288
1289 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1290
1291         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
1292         * config/mips/mips.h (mips_reg_names): Don't declare.
1293         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
1294         (TARGET_NAME_REGS): Delete.
1295         (TARGET_SWITCHES): Remove -mrnames.
1296         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
1297         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
1298         in REGISTER_NAMES.
1299         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
1300         (override_options): Remove handling of TARGET_NAME_REGS.
1301
1302 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1303
1304         * config/mips/mips.h (TARGET_*): Boolify.
1305
1306 2004-07-12  Nick Clifton  <nickc@redhat.com>
1307
1308         * config.gcc: Add sh-*-symbianelf target.
1309         * config/sh/sh.c: Add new target macros:
1310         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
1311         TARGET_CXX_IMPORT_EXPORT_CLASS.
1312         (sh_file_start): Create a definition of the .directive section.
1313         (sh_attribute): Add dllimport and dllexport attributes.
1314         * config/sh/symbian-pre.h: New file.
1315         * config/sh/symbian-post.h: New file.
1316         * config/sh/symbian.c: New file. Contains Symbian specific
1317         functions.
1318         * config/sh/sh-protos.h: Add prototypes for new functions
1319         provided by symbian.c.
1320         * config/sh/t-symbian: New file.
1321         * doc/extend.texi: Document support for dllimport and dllexport
1322         attributes by the sh-symbianelf target.
1323
1324 2004-07-12  James E Wilson  <wilson@specifixinc.com>
1325
1326         * Makefile.in (AR): Use @AR@ not ar.
1327         (NM): New.
1328         (AR_FOR_TARGET): Use $(AR) not ar for native.
1329         (NM_FOR_TARGET): Use $(NM) not nm for native.
1330         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
1331         * configure: Regenerate.
1332
1333 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
1334
1335         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
1336         special case.
1337         (ashldi3_sp64): Likewise.
1338
1339 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1340
1341         PR target/16477
1342         * pa.c (function_arg): Update comment.
1343         * pa.h (BLOCK_REG_PADDING): Define.
1344
1345 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1346
1347         PR tree-optimization/16461
1348         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
1349         arguments of phi nodes.
1350
1351 2004-07-12  Devang Patel  <dpatel@apple.com>
1352
1353         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
1354
1355 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
1356
1357         * function.c (expand_function_start): Ensure r_save is in Pmode.
1358         * calls.c (prepare_call_address): Ensure static_chain_value is
1359         in Pmode.
1360         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
1361         r_save_area are in Pmode.
1362         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
1363         fnaddr, and static_chain are in Pmode.
1364
1365 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
1366
1367         PR target/16445
1368         * config/ia64/ia64.c (bundling): Don't count ignored insns.
1369
1370 2004-07-12  Richard Henderson  <rth@redhat.com>
1371
1372         * target.h (struct gcc_target): Move gimplify_va_arg_expr
1373         next to build_builtin_va_list.
1374         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
1375         * builtins.c (gimplify_va_arg_expr): Likewise.
1376         * gimplify.c (copy_if_shared_r): Likewise.
1377
1378 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
1379
1380         * passes.c (rest_of_decl_compilation): Don't defer call of
1381         assemble_variable if its DECL_RTL is already set.
1382
1383 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
1384
1385         * cfgloop.h (struct loop): Add nb_iterations field.
1386         (current_loops): Declare.
1387         * tree-chrec.c (chrec_not_analyzed_yet,
1388         chrec_dont_know, chrec_known, count_ev_in_wider_type,
1389         chrec_contains_symbols_defined_in_loop): Remove the temporary
1390         hooks.
1391         * tree-flow-inline.h (loop_containing_stmt): New function.
1392         * tree-scalar-evolution.c: Add implementation.
1393         * tree-scalar-evolution.h: Add declarations.
1394
1395 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
1396
1397         PR rtl-optimization/15921
1398         * Makefile.in (global.o): Add recog.h.
1399
1400         * global.c (recog.h): Add the include-clause.
1401         (bb_info): New member earlyclobber.
1402         (allocate_bb_info, free_bb_info): Initialize/finish the new
1403         member.
1404         (earlyclobber_regclass, earlyclobber_regclass_length): The new
1405         global variables.
1406         (check_earlyclobber, regclass_intersect,
1407         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
1408         New functions.
1409         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
1410         (make_accurate_live_analysis): Modify pavin.
1411
1412 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
1413
1414         * tree-cfg.c (find_taken_edge): Statically compute the truth
1415         value of a predicate comparing an SSA_NAME to itself.
1416
1417 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1418
1419         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
1420         rs6000 doesn't have shift-and-add or shift-and-sub instructions
1421         by returning the cost of a multiplication plus an addition.
1422
1423 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1424
1425         PR tree-optimization/14107
1426         * gimplify.c (gimplify_return_expr): Accept a
1427         RETURN_EXPR with an error argument.
1428         * tree-optimize.c (init_tree_optimization_passes):
1429         Run pass_warn_function_return at -O0.
1430
1431 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1432
1433         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
1434         index entry.
1435
1436 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
1437
1438         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
1439         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1440         * config/mips/3000.md: Add copyright notice.  Remove automota and
1441         function units; use generic ones instead.  Only define reservations
1442         for things that are different from generic.md.  Extend each clause
1443         to include r3900.
1444         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
1445         * config/mips/mips.md: Include them. Remove define_function_units.
1446         (alu, imuldiv): New automata and units.
1447
1448 2004-07-12  Ben Elliston  <bje@au.ibm.com>
1449
1450         * doc/invoke.texi (Optimize Options): Document -frename-registers
1451         not being enabled by default at -O3.
1452
1453 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1454
1455         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
1456         floating point additions, to keep real immediate constant positive.
1457         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
1458         into X + C, and leave positive real constants as X - C.
1459
1460 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1461
1462         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
1463
1464 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1465
1466         PR tree-optimization/15654
1467         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
1468
1469 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1470
1471         * builtins.c (fold_builtin_fputs): Don't bother converting the
1472         return type to integer_type_node, as we've already checked that
1473         the result will be ignored.
1474
1475         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
1476         that signed addition, subtraction, multiplication, division,
1477         remainder, negation and absolute value may potentially trap.
1478
1479         * fold-const.c (fold_ignored_result): New function to strip
1480         non-side-effecting tree nodes from an expression whose result
1481         is ignored.
1482         (fold_convert): Call fold_ignored_result when casting a value
1483         to VOID_TYPE.
1484         (omit_one_operand):  Call fold_ignored_result on the "omitted"
1485         operand when building a COMPOUND_EXPR.
1486         (pedantic_omit_one_operand): Likewise.
1487         * tree.h (fold_ignored_result): Prototype here.
1488         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
1489         when we're going to ignore the result.
1490
1491 2004-07-11  Richard Henderson  <rth@redhat.com>
1492
1493         PR tree-opt/16383
1494         * tree-ssa-ccp.c (fold_stmt_r): Split out...
1495         * tree.c (fields_compatible_p, find_compatible_field): ... new.
1496         * tree.h (fields_compatible_p, find_compatible_field): Declare.
1497         * tree-sra.c (sra_hash_tree): Hash fields by offset.
1498         (sra_elt_eq): Use fields_compatible_p.
1499         (generate_one_element_ref): Use find_compatible_field.
1500
1501 2004-07-11  Richard Henderson  <rth@redhat.com>
1502
1503         PR tree-opt/16422
1504         * tree-sra.c (generate_one_element_init): New.
1505         (generate_element_init): Use it.
1506         (scalarize_init): Push/pop gimplify context around it.
1507         (find_new_referenced_vars_1, find_new_referenced_vars): New.
1508         * gimplify.c (gimplify_expr): Allow SSA_NAME.
1509
1510 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1511
1512         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
1513         combine.c's combine_insn_cost.
1514         * rtl.h (insn_rtx_cost): Prototype here.
1515         * combine.c (combine_insn_cost): Delete function.
1516         (combine_validate_cost): Update callers of combine_insn_cost to
1517         call insn_rtx_cost instead.
1518         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
1519         requesting the rtx_cost of call and/or jump instructions.
1520
1521         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
1522         rtx_cost directly.  Don't request/use the cost of call or jump
1523         instructions.  Return -1 if the cost of any instruction can't be
1524         determined (or the BB contains a function call).
1525         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
1526         -1 (i.e. can't determine the cost of any instruction or the basic
1527         block contains a subroutine call).
1528         (find_if_case_2): Likewise.
1529
1530 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1531
1532         * rs6000.c (struct processor_costs): Change semantics of fields to
1533         include the COST_N_INSNS scaling, and update all initializers.
1534         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
1535         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
1536         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
1537         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
1538
1539 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1540
1541         * LANGUAGES: Remove obsolete information.
1542
1543 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1544
1545         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
1546         SIGBUS signal frames, the PSW address points *to* the faulting
1547         instruction, not after it.
1548
1549 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1550
1551         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
1552         added to TLS symbol addresses.
1553
1554 2004-07-11  Richard Henderson  <rth@redhat.com>
1555
1556         * expmed.c (init_expmed): Use stack-local structures for
1557         temporary rtl.  Don't recognize shifts.
1558
1559 2004-07-11  Richard Henderson  <rth@redhat.com>
1560
1561         * expr.c (store_expr): Don't fiddle subreg promotion for types
1562         with precision smaller than the mode.
1563
1564 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1565
1566         * tree.h (all_types_permanent): Remove.
1567
1568 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1569
1570         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
1571         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
1572         * langhooks.c (lhd_clear_binding_stack): Remove.
1573         * langhooks-def.h (lhd_clear_binding_stack,
1574         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1575         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
1576         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
1577         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1578         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
1579         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1580         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
1581         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1582         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
1583         * tree.h (poplevel): Don't declare.
1584         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
1585         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1586         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
1587         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
1588         Remove.
1589
1590 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1591
1592         PR tree-optimization/16437
1593         * c-common.c (shorten_compare): Don't mark result of conversion to
1594         narrower signed type as overflowing.
1595         * fold-const.c (decode_field_reference): Determine whether
1596         signedness comes from outer type using precision rather than size.
1597
1598 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1599
1600         * configure.ac:  Alphabetize --enable-checking list, add
1601         missing valgrind entry.
1602         * configure:  Regenerate.
1603
1604 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1605
1606         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1607
1608 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1609
1610         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1611
1612 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1613
1614         PR rtl-optimization/16001
1615         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1616         niter_expr.
1617
1618 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1619
1620         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1621
1622 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1623             James Morrison  <phython@gcc.gnu.org>
1624
1625         * doc/contrib.texi (Contributors): Add gfortran contributors and
1626         fix a couple of typos.
1627
1628 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1629
1630         PR rtl-optimization/15387
1631         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1632         to incoming args space correctly.
1633
1634 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1635
1636         * pa.c (output_indirect_call): Only use %r2 as the link register in
1637         indirect calls with the long PA 2.0 pc-relative branch.
1638
1639 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1640
1641         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1642         for the default tuning if TARGET_64BIT.
1643
1644 2004-07-10  Richard Henderson  <rth@redhat.com>
1645
1646         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1647         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1648
1649 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1650
1651         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1652         * expmed.c (store_bit_field, extract_bit_field): Remove last
1653         argument.
1654         * builtins.c (expand_builtin_signbit): Adjust callers.
1655         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1656         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1657         * ifcvt.c (noce_emit_move_insn): Likewise.
1658         * stmt.c (expand_return): Likewise.
1659         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1660         store_field, expand_expr_real_1): Likewise.
1661
1662 2004-07-10  Richard Henderson  <rth@redhat.com>
1663
1664         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1665
1666 2004-07-09  Mike Stump  <mrs@apple.com>
1667
1668         * config/darwin.c (no_dead_strip): Add.
1669         (HAVE_DEAD_STRIP): Add.
1670         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1671         the .eh label.
1672
1673 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1674
1675         * tree-ssa-loop-im.c: New file.
1676         * Makefile.in (tree-ssa-loop-im.o): Add.
1677         * cfgloop.c (superloop_at_depth): New function.
1678         * cfgloop.h (superloop_at_depth): Declare.
1679         * common.opt (ftree-lim): New flag.
1680         * expr.c (array_ref_up_bound): New function.
1681         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1682         * timevar.def (TV_LIM): New timevar.
1683         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1684         computing immediate uses of a phi node.
1685         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1686         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1687         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1688         * tree-pass.h (pass_lim): Declare.
1689         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1690         functions.
1691         (pass_lim): New pass structure.
1692         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1693         * tree.c (in_array_bounds_p): New function.
1694         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1695         (in_array_bounds_p, array_ref_up_bound): Declare.
1696         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1697         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1698
1699 2004-07-09  Richard Henderson  <rth@redhat.com>
1700
1701         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1702
1703         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1704         with prejudice.
1705
1706 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1707
1708         * flags.h: Delete redundant prototypes that are being generated
1709         in options.h from common.opt.
1710         * common.opt: Add in the expository comments formerly in flags.h.
1711
1712 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1713
1714         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1715         available for use only when TARGET_MMX/_SSE is set, and check for
1716         variable argument function if any register count is non-zero.
1717         (function_arg): Correctly suppress repeated warnings for passing SSE
1718         vectors are arguments without SSE enabled.
1719         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1720         would be SSE register modes does no longer influence the alignment.
1721
1722 2004-07-09  Richard Henderson  <rth@redhat.com>
1723
1724         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1725         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1726         Maintain type-correctness of constants.
1727         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1728
1729 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1730
1731         * config/sparc/sparc.c (*_costs): Scale instruction costs
1732         by COSTS_N_INSNS.
1733         (sparc_rtx_costs): Adjust as appropriate.
1734
1735 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1736
1737         * config/i386/mm3dnow.h: New.
1738         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1739
1740 2004-07-09  Richard Henderson  <rth@redhat.com>
1741
1742         * simplify-rtx.c (simplify_const_relational_operation): Only
1743         look at bounds of scalar integers.
1744
1745 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1746
1747         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1748
1749 2004-07-09  Andrew Pinski  <apinski@apple.com>
1750
1751         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1752         always referenced.
1753         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1754         UOBJC_METACLASS_decl.
1755
1756 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1757
1758         PR target/16364
1759         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1760         do return a parallel if hfa_mode == XFmode and mode == TImode.
1761
1762 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1763
1764         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1765         permissible for unary plus.
1766
1767 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1768
1769         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1770         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1771         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1772         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1773         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1774         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1775         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1776         (BUILTIN_xxxIMAX): New.
1777         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1778         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1779         BUILT_IN_PARITYIMAX.
1780
1781 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1782
1783         * config/sparc/sparc.h (processor_costs): Define.
1784         (sparc_costs): Declare.
1785         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1786         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1787         ultrasparc3_costs): New.
1788         (sparc_override_options): Set sparc_costs as appropriate.
1789         (sparc_rtx_costs): Use sparc_costs instead of messy
1790         conditionals.
1791
1792 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1793
1794         * doc/md.texi (Processor pipeline description): Mention that
1795         the old pipeline description is deprecated.
1796
1797         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1798         mciu_7450 function unit to...
1799         (automaton ppc7450mciu): ...new automaton.
1800
1801         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1802         (schedule_block): Don't consider inserting bubbles.
1803         (sched_init): Don't initialize DFA bubbles.
1804         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1805         TARGET_SCHED_DFA_BUBBLE): Remove.
1806         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1807         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1808         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1809
1810         * stmt.c (conditional_context): Remove prototype.
1811         * tree.h (conditional_context): Remove.
1812         * tree-cfg.c (pre_insert_on_edge): Remove.
1813
1814         * c-common.h (c_expand_asm_operands): Remove prototype.
1815         * c-typeck.c (c_expand_asm_operands): Remove.
1816
1817 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1818
1819         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1820         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1821         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1822         and V8QI are class SSE. All sufficiently small remaining vector modes
1823         must be passed in one or two integer registers.
1824         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1825         returned in memory.
1826         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1827         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1828         and must thus be handled explicitly.
1829         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1830         MMX and XMM regs.
1831         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1832         movv2sf_internal): Permit moving between MMX and XMM registers (since
1833         MMX areguments and return values are passed in XMM registers).
1834         (sse2_umulsidi3): Correct type and mode.
1835
1836 2004-07-09  Richard Henderson  <rth@redhat.com>
1837
1838         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1839
1840 2004-07-09  Eric Christopher  <echristo@redhat.com>
1841
1842         * config/rs6000/40x.md: Split into two automatons.
1843
1844 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1845             Andrew Pinski  <apinski@apple.com>
1846
1847         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1848         on when we have more than one input file.
1849         (c_common_parse_file): Restore loop over all input files.
1850         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1851
1852         * c-decl.c (set_type_context): New function.
1853         (pop_scope): Use it to set context of types.  When we
1854         encounter a TYPE_DECL, set the context of the attached type too.
1855         (pop_file_scope): Don't call cpp_undef_all here.
1856         (diagnose_mismatched_decls): Do not complain about a second
1857         definition of an 'extern inline' function if it's not in the
1858         same translation unit.  Do not complain about inline
1859         declaration after use if the use was in a different
1860         translation unit.
1861         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1862         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1863         the external scope.
1864         (pushdecl_top_level): Likewise.
1865         (grokdeclarator): Clarify what is going on with setting
1866         DECL_EXTERNAL on function types, a little.
1867         (c_write_global_declarations): Don't do anything if
1868         -fsyntax-only or errors have been encountered.
1869
1870 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1871
1872         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1873
1874 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1875
1876         PR target/16459
1877         * pa.c (output_indirect_call): Use %r2 as the link register when
1878         calling $$dyncall with a pc-relative branch.
1879
1880 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1881
1882         * doc/install.texi (Binaries): Mention OpenPKG.
1883
1884 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1885
1886         Fix PR tree-optimization/15555
1887         * tree-dfa.c (dump_variable): If the variable is a pointer
1888         SSA_NAME, also dump its points-to information.
1889         * tree-flow.h (struct ptr_info_def): Add field
1890         is_dereferenced.
1891         (dump_points_to_info_for): Declare.
1892         (debug_points_to_info_for): Declare.
1893         * tree-optimize.c (init_tree_optimization_passes): Add a
1894         second alias analysis pass after DOM2.
1895         Move pass_del_pta to a later spot.
1896         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1897         create a name tags when we find a dereferenced pointer.  Just
1898         mark the pointer dereferenced.
1899         (collect_points_to_info_for): Move code to clear points-to
1900         information to create_name_tags.
1901         (create_name_tags): New function.
1902         (compute_flow_sensitive_aliasing): Call it.
1903         (setup_pointers_and_addressables): Mark type tags for renaming
1904         here instead of ...
1905         (create_memory_tag): ... here.
1906         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1907         (dump_points_to_info_for): Declare extern.
1908         (debug_points_to_info_for): New function.
1909
1910 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1911
1912         * config/arc/arc.md: Switch to DFA-based scheduler description.
1913         * config/arc/arc.c: Switch to DFA-based scheduler description.
1914
1915 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1916
1917         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1918         pointer.
1919
1920 2004-07-09  Richard Henderson  <rth@redhat.com>
1921
1922         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1923         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1924         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1925         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1926
1927         * config/v850/v850-protos.h (v850_va_arg): Remove.
1928         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1929         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1930         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1931         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1932         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1933
1934 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1935
1936         PR target/12133
1937         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1938         and DImode to use +/-4k offset.
1939
1940 2004-07-09  Richard Henderson  <rth@redhat.com>
1941
1942         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1943         Remove.
1944         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1945         (xstormy16_gimplify_va_arg_expr): Rewrite from
1946         xstormy16_expand_builtin_va_arg.
1947         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1948
1949         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1950         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1951
1952         * config/sh/sh-protos.h (sh_va_arg): Remove.
1953         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1954         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1955         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1956
1957         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1958         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1959         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1960         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1961
1962         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1963         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1964         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1965         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1966
1967 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1968
1969         * config/sparc/sparc.md (return): Rewrite length formula.
1970         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1971         argument to final_scan_insn when in a delay slot.
1972         (output_sibcall): Likewise.
1973
1974 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1975
1976         * arm.c (arm_cpp_interwork): New variable.
1977         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1978         line.
1979         * arm.h (arm_cpp_interwork): Declare it.
1980         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1981         __THUMB_INTERWORK__ in the preprocessor.
1982
1983 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1984
1985         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1986
1987 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1988
1989         PR target/16416
1990         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1991         Override default settings to account for -m32 and -m64.
1992
1993 2004-07-08  Randolph Chung  <tausq@debian.org>
1994
1995         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1996
1997 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1998
1999         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
2000         before comparing it as such.
2001
2002 2004-07-08  Richard Henderson  <rth@redhat.com>
2003
2004         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
2005         temporary.  Use bit arithmetic to align.
2006
2007 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
2008
2009         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
2010         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
2011         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2012         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
2013         add_labels_and_missing_jumps, find_jump_block,
2014         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2015         Likewise.
2016         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
2017         link_btr_uses, move_btr_def): Likewise.
2018         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
2019         expand_builtin_expect_jump): Likewise.
2020         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
2021         * calls.c (expand_call, emit_library_call_value_1): Likewise.
2022         * cfganal.c (forwarder_block_p): Likewise.
2023         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
2024         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
2025         find_bb_boundaries): Likewise.
2026         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2027         merge_blocks_move_predecessor_nojumps,
2028         merge_blocks_move_successor_nojumps, insns_match_p,
2029         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2030         try_optimize_cfg): Likewise.
2031         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
2032         * cfglayout.c (skip_insns_after_block, label_for_bb,
2033         record_effective_endpoints, insn_locators_initialize,
2034         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
2035         * cfgmainloop.c (create_loop_notes): Likewise.
2036         * cfgrtl.c (delete_insn, delete_insn_chain,
2037         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
2038         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
2039         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
2040         redirect_branch_edge, force_nonfallthru_and_redirect,
2041         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
2042         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
2043         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
2044         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
2045         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
2046         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
2047         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
2048         * combine.c (combine_instructions, can_combine_p, try_combine,
2049         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
2050         distribute_notes, distribute_links, insn_cuid): Likewise.
2051         * cse.c (fold_rtx, cse_insn, cse_around_loop,
2052         invalidate_skipped_block, cse_set_around_loop,
2053         cse_end_of_basic_block, cse_main, cse_basic_block,
2054         cse_condition_code_reg): Likewise.
2055         * cselib.c (cselib_process_insn): Likewise.
2056         * ddg.c (create_ddg): Likewise.
2057         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
2058         Likewise.
2059         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
2060         gen_label_die, dwarf2out_var_location): Likewise.
2061         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
2062         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
2063         last_call_insn, active_insn_p, next_label, prev_label,
2064         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
2065         add_insn_before, remove_insn, add_function_usage_to,
2066         reorder_insns, find_line_note, remove_unnecessary_notes,
2067         emit_insn_after_1, classify_insn): Likewise.
2068         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
2069         connect_post_landing_pads, sjlj_mark_call_sites,
2070         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
2071         can_throw_internal, can_throw_external, set_nothrow_function_flags,
2072         convert_to_eh_region_ranges): Likewise.
2073         * explow.c (optimize_save_area_alloca): Likewise.
2074         * expr.c (expand_expr_real): Likewise.
2075         * final.c (insn_current_reference_address, compute_alignments,
2076         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
2077         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
2078         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
2079         propagate_block_delete_insn, propagate_one_insn,
2080         init_propagate_block_info, propagate_block, libcall_dead_p,
2081         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
2082         Likewise.
2083         * function.c (instantiate_virtual_regs, reorder_blocks_1,
2084         expand_function_start, expand_function_end, contains,
2085         thread_prologue_and_epilogue_insns,
2086         reposition_prologue_and_epilogue_notes): Likewise.
2087         * gcse.c (constprop_register, bypass_conditional_jumps,
2088         insert_insn_end_bb, gcse_after_reload): Likewise.
2089         * genemit.c (gen_expand, gen_split): Likewise.
2090         * genpeep.c (gen_peephole, main): Likewise.
2091         * global.c (build_insn_chain): Likewise.
2092         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
2093         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
2094         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
2095         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
2096         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
2097         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
2098         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
2099         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
2100         dead_or_predicable): Likewise.
2101         * integrate.c (try_constants): Likewise.
2102         * jump.c (rebuild_jump_labels, cleanup_barriers,
2103         purge_line_number_notes, init_label_info, mark_all_labels,
2104         squeeze_notes, get_label_before, get_label_after,
2105         reversed_comparison_code_parts, simplejump_p, pc_set,
2106         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
2107         delete_barrier, delete_prior_computation, delete_computation,
2108         delete_related_insns, delete_for_peephole, redirect_jump):
2109         Likewise.
2110         * lcm.c (optimize_mode_switching): Likewise.
2111         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
2112         Likewise.
2113         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
2114         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
2115         * loop-iv.c (simplify_using_assignment): Likewise.
2116         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
2117         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
2118         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
2119         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
2120         check_insn_for_givs, check_final_value, update_giv_derive,
2121         basic_induction_var, product_cheap_p, check_dbra_loop,
2122         loop_insn_first_p, last_use_this_basic_block,
2123         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
2124         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
2125         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
2126         sms_schedule_by_order): Likewise.
2127         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
2128         * postreload.c (reload_cse_simplify_operands, reload_combine,
2129         reload_cse_move2add): Likewise.
2130         * predict.c (can_predict_insn_p, estimate_probability,
2131         expected_value_to_br_prob, process_note_predictions): Likewise.
2132         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
2133         * profile.c (branch_prob): Likewise.
2134         * ra-build.c (live_out_1, livethrough_conflicts_bb,
2135         detect_webs_set_in_cond_jump): Likewise.
2136         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
2137         ra_print_rtl_with_bb): Likewise.
2138         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
2139         * recog.c (next_insn_tests_no_inequality, find_single_use,
2140         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
2141         * reg-stack.c (next_flags_user, record_label_references,
2142         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
2143         compensate_edge, convert_regs_1): Likewise.
2144         * regclass.c (scan_one_insn): Likewise.
2145         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2146         regmove_optimize, fixup_match_1, single_set_for_csa,
2147         combine_stack_adjustments_for_block): Likewise.
2148         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
2149         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
2150         find_equiv_reg): Likewise.
2151         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
2152         reload_as_needed, emit_input_reload_insns, do_output_reload,
2153         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
2154         Likewise.
2155         * reorg.c (find_end_label, emit_delay_sequence,
2156         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
2157         get_jump_flags, rare_destination, mostly_true_jump,
2158         try_merge_delay_insns, redundant_insn, own_thread_p,
2159         fill_simple_delay_slots, fill_slots_from_thread,
2160         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
2161         dbr_schedule): Likewise.
2162         * resource.c (find_basic_block, next_insn_no_annul,
2163         find_dead_or_set_registers, mark_target_live_regs): Likewise.
2164         * rtl.h (RTX_PREV): Likewise.
2165         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
2166         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
2167         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
2168         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
2169         tablejump_p, computed_jump_p, insns_safe_to_move_p,
2170         find_first_parameter_load, can_hoist_insn_p): Likewise.
2171         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
2172         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
2173         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
2174         schedule_ebbs): Likewise.
2175         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
2176         is_conditionally_protected, can_schedule_ready_p,
2177         add_branch_dependences, debug_dependencies): Likewise.
2178         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
2179         Likewise.
2180         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
2181         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
2182         set_dominates_use, ujump_to_loop_cont): Likewise.
2183         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
2184         * varasm.c (output_constant_pool_1): Likewise.
2185
2186 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2187
2188         * tree-scalar-evolution.c: New file.
2189         * tree-scalar-evolution.h: New file.
2190         * tree-ssa-loop-niter.c: New file.
2191         * Makefile.in (SCEV_H): New.
2192         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
2193         * cfgloop.h (struct loop): Add bounds field.
2194         * tree-flow.h (struct tree_niter_desc): New type.
2195         (number_of_iterations_cond, number_of_iterations_exit,
2196         loop_niter_by_eval, find_loop_niter_by_eval,
2197         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
2198         free_numbers_of_iterations_estimates): Declare.
2199         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
2200         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
2201         * doc/invoke.texi (max-iterations-to-track): Document.
2202
2203 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2204
2205         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
2206         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
2207         (MODE_AFTER): Add cast appropriately.
2208         * config/sh/sh.md (movdi splitter): Likewise.
2209         (casesi_worker_2): Add const qualifier appropriately.
2210         (eh_return): Remove unused variable.
2211         (insv): Initialize v;
2212
2213 2004-07-08  Richard Henderson  <rth@redhat.com>
2214
2215         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
2216         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2217         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
2218         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
2219         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
2220
2221         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
2222         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2223         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
2224         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
2225
2226         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
2227         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2228         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
2229         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
2230
2231         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
2232         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2233         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
2234         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
2235
2236         * config/i860/i860-protos.h (i860_va_arg): Remove.
2237         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2238         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
2239         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
2240
2241 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2242
2243         * system.h: Prototype getpagesize if missing.
2244         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
2245         * configure: Regenerate.
2246         * config.in: Regenerate.
2247
2248 2004-07-08  Richard Henderson  <rth@redhat.com>
2249
2250         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
2251         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2252         (fr30_gimplify_va_arg_expr): New.
2253         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
2254         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
2255
2256 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
2257
2258         PR target/16414
2259         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
2260         of asm_noperands result.
2261
2262 2004-07-08  Richard Henderson  <rth@redhat.com>
2263
2264         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
2265         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2266         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
2267         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
2268
2269 2004-07-08  Richard Henderson  <rth@redhat.com>
2270
2271         * builtins.c (ind_gimplify_va_arg_expr): New.
2272         * tree.h (ind_gimplify_va_arg_expr): Declare.
2273         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
2274
2275 2004-07-08  Jan Beulich  <jbeulich@novell.com>
2276
2277         * expmed.c (extract_bit_field): Correct condition to use vec_extract
2278         patterns also on vector elements other than the first one.
2279         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
2280         break statements.
2281
2282 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
2283
2284         * config/rs6000/darwin-ldouble.c: Correct reference
2285         to the Linnainmaa paper.
2286
2287 2004-07-08  Richard Henderson  <rth@redhat.com>
2288
2289         * config/arc/arc-protos.h (arc_va_arg): Remove.
2290         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2291         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
2292         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2293
2294         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
2295         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2296         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
2297         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
2298
2299 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2300
2301         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
2302
2303 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2304
2305         * c-decl.c (static_ctors, static_dtors): Make static.
2306         (pop_file_scope): Call c_common_write_pch and
2307         cgraph_finalize_compilation_unit here.
2308         (build_cdtor): Moved here from c-objc-common.c; simplify.
2309         (c_write_global_declarations_1): Clarify comment.
2310         (c_write_global_declarations): Close the external scope before
2311         doing anything else.  Call build_cdtor, cgraph_optimize, and
2312         mudflap_finish_file here.
2313         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
2314         Clarify comment.
2315         * c-objc-common.c: No need to include cgraph.h.
2316         (build_cdtor): Moved to c-decl.c.
2317         (c_objc_common_finish_file): Delete.
2318         * c-tree.h: Update to match.
2319         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
2320         (generate_static_references): Set TREE_USED before calling finish_decl.
2321         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
2322         on the static_instances_decl.
2323
2324 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2325
2326         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
2327         decls when there is only one input translation unit.
2328         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
2329         change of 2004-07-05; do not treat declarations with
2330         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
2331         * opts.c (cur_in_fname): Delete.
2332         * opts.h: Likewise.
2333         * tree.c: Revert changes of 2004-07-05; no special treatment
2334         for TRANSLATION_UNIT_DECLs.
2335         * Makefile.in (tree.o): Update dependencies.
2336
2337 2004-07-08  Roger Sayle  <roger@eyesopen.com>
2338
2339         * builtins.c (fold_builtin_strcpy): Merge functionality from
2340         simplify_builtin_strcpy.  Add additional len argument.  No longer
2341         static.  Remove function prototype.
2342         (fold_builtin_strncpy): Likewise integrate functionality from
2343         simplify_builtin_strncpy.  Add additional slen argument.  No
2344         longer static.  Remove function prototype.
2345         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
2346         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
2347         types of "ignore" and "unlocked" parameters to bool.
2348         (fold_builtin_1):  Add additional ignore argument.  Call renamed
2349         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
2350         builtins.  Update arguments to fold_builtin_strncpy and
2351         fold_builtin_strcpy.  Add function prototype.
2352         (fold_builtin): Add additional Boolean ignore argument to pass
2353         to fold_builtin_1.
2354         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
2355         and fold_builtin_strncpy instead of simplify_builtin_fputs,
2356         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
2357
2358         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
2359         simplify_builtin_strncpy): Delete function prototypes.
2360         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
2361         fold_builtin_strncpy): Add function prototypes here.
2362         (fold_builtin): Update function prototype with new "bool ignore".
2363
2364         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
2365         (ccp_fold_builtin):  Update call to fold_builtin.  Call
2366         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
2367         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
2368         simplify_builtin_strncpy respectively.
2369         * fold-const.c (fold): Update call to fold_builtin.
2370
2371 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2372
2373         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
2374         to strcpy.
2375
2376         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
2377         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
2378         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
2379         * calls.c: Remove ifdefs of macros above.
2380         * functions.c: Likewise.
2381         * expr.c: Likewise.
2382
2383 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2384
2385         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
2386         (arch attribute): Delete.
2387         (current_function_calls_alloca attribute): Rename into calls_alloca.
2388         (calls_eh_return): New attribute.
2389         (leaf_function): Likewise.
2390         (length attribute): Fix formula for sibcalls.
2391         (return insn): Correctly compute the 'length' attribute.
2392         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
2393
2394 2004-07-08  Richard Henderson  <rth@redhat.com>
2395
2396         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
2397         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
2398         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
2399         * tree-eh.c (lower_eh_constructs_1): Likewise.
2400         * tree-sra.c (sra_walk_modify_expr): Likewise.
2401         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2402         (eliminate_unnecessary_stmts): Likewise.
2403         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2404         * tree-tailcall.c (optimize_tail_call): Likewise.
2405         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
2406
2407 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2408             Jakub Jelinek  <jakub@redhat.com>
2409
2410         * config/i386/i386.c (override_options): Enable
2411         SSE prefetches with -mtune, as long as we are
2412         compiling for i686 or higher.  All i686 processors
2413         accept SSE prefetches as NOPS, some i586's don't.
2414
2415 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2416
2417         PR target/10567
2418         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
2419
2420 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2421
2422         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
2423         the handling of clobbering ASM_EXPRs.
2424
2425 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2426
2427         PR target/16430
2428         * config/sparc/sparc.c (function_value): In 64-bit mode,
2429         return the aggregates larger than 16 bytes like unions.
2430
2431 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2432
2433         PR target/16199
2434         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
2435         'temp' is zero, generate new pseudos as needed and emit the
2436         sequence of insns in single-assignment form.  Resync comments
2437         with code.
2438         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
2439         function before reload.
2440
2441 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
2442
2443         * vec.c (vec_assert_fail): Remove duplicate 'function'.
2444
2445         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
2446
2447         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
2448         Allocation is signed.
2449         (VEC_reserve): Return flag, allocation is signed.
2450
2451 2004-07-08  Richard Henderson  <rth@redhat.com>
2452
2453         * tree-ssa-ccp.c (fold_stmt): Get type directly from
2454         OBJ_TYPE_REF_OBJECT.
2455
2456 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2457             Neil Booth  <neil@daikokuya.co.uk>
2458
2459         PR c/2511
2460         PR c/3325
2461         * c-decl.c (finish_struct): Ensure bit-fields are given the
2462         correct type.
2463         * c-common.c (c_common_signed_or_unsigned_type): For C, require
2464         the precision to match as well as the mode.
2465         * expr.c (reduce_to_bit_field_precision): New function.
2466         (expand_expr_real_1): Reduce expressions of bit-field type to
2467         proper precision.
2468         * langhooks.h (reduce_bit_field_operations): New hook.
2469         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2470         Define.
2471         * c-lang.c, objc/objc-lang.c
2472         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
2473         * objc/objc-act.c (check_ivars): Convert types to bit-field types
2474         before checking.
2475         * tree.c (build_nonstandard_integer_type): New function.
2476         * tree.h (build_nonstandard_integer_type): New prototype.
2477         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
2478         conversions between integer and boolean types as useless.
2479
2480 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2481
2482         * c-common.c (c_common_nodes_and_builtins): Do not
2483         create __builtin_ptrdiff_t and __builtin_size_t.
2484
2485 2004-07-08  Andrew Pinski  <apinski@apple.com>
2486
2487         * Makefile.in (libbackend.o): Add -combine to the gcc
2488         command line.
2489
2490 2004-07-08  Nick Clifton  <nickc@redhat.com>
2491
2492         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
2493         Set to -Os.
2494
2495 2004-07-08  Richard Henderson  <rth@redhat.com>
2496
2497         * except.c (expand_eh_region_start, expand_eh_region_end,
2498         expand_eh_handler, expand_eh_region_end_cleanup,
2499         expand_start_all_catch, expand_start_catch, expand_end_catch,
2500         expand_end_all_catch, expand_eh_region_end_allowed,
2501         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
2502         expand_eh_region_end_fixup): Remove.
2503         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
2504         cleanups, outer_cleanups, label_chain, exception_region.
2505         (struct goto_fixup): Remove stack_level, cleanup_list_list.
2506         (struct label_chain): Remove.
2507         (struct stmt_status): Remove x_stack_block_stack.
2508         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
2509         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
2510         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
2511         end_cleanup_deferral, last_cleanup_this_contour,
2512         containing_blocks_have_cleanups_or_stack_level,
2513         any_pending_cleanups): Remove.
2514         (expand_null_return_1): Take no arguments.
2515         (expand_label, expand_naked_return, expand_return,
2516         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
2517         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
2518         expand_end_case_type): Don't use any of them.
2519         * calls.c (expand_call): Likewise.
2520         * dojump.c (do_jump): Likewise.
2521         * function.c (expand_function_end): Likewise.
2522         * expr.c (store_expr, expand_expr_real_1): Likewise.
2523         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
2524         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
2525         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
2526         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
2527         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
2528         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
2529         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
2530         for WITH_CLEANUP_EXPR.
2531         (gimple_push_cleanup): Likewise.
2532         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
2533         * print-tree.c (print_node): Likewise.
2534         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
2535         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
2536         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
2537         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
2538         (GOTO_SUBROUTINE_EXPR): Remove.
2539         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
2540         (DECL_TOO_LATE): Remove.
2541         * except.h, tree.h: Update decls.
2542
2543 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2544
2545         * explow.c (optimize_save_area_alloca): Do not accept parameters.
2546         * passes.c (rest_of_handle_final): Handle symout.
2547         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
2548         Push timevar here.
2549         (rest_of_handle_sched): Break out SMS.  Remove ifs for
2550         flag_schedule_insns and flag_modulo_sched.
2551         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
2552         collect at the end.
2553         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
2554         (rest_of_handle_partition_blocks, rest_of_handle_sms,
2555         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
2556         rest_of_handle_mode_switching, rest_of_handle_jump,
2557         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
2558         rest_of_handle_jump2, rest_of_handle_postreload,
2559         rest_of_handle_flow2, rest_of_clean_state,
2560         rest_of_handle_shorten_branches,
2561         rest_of_handle_prologue_epilogue,
2562         rest_of_handle_branch_target_load_optimize): New.
2563         (rest_of_compilation): Call the above.  Remove ggc_collect
2564         calls moved to rest_of_handle_*.
2565         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
2566
2567         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
2568         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
2569         * except.h (set_nothrow_function_flags): Update comment.
2570         * function.c (current_function_nothrow): Remove.
2571         * output.h (current_function_nothrow): Remove.
2572         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
2573         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
2574
2575 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2576
2577         PR bootstrap/16326
2578         * reorg.c: Revert 2004-06-30 change.
2579         (find_end_label): If HAVE_epilogue and !HAVE_return,
2580         return 0 instead of creating a label at the end of the insn chain.
2581         (optimize_skip): Account for the failure mode of find_end_label.
2582         (fill_simple_delay_slots): Likewise.
2583         (fill_slots_from_thread): Likewise.
2584         (relax_delay_slots): Likewise.
2585
2586 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2587
2588         * tree-flow.h (addressable_vars): Declare.
2589         * tree-ssa-alias.c (addressable_vars): Define.
2590         (setup_pointers_and_addressables): Add addressable variables
2591         to addressable_vars.
2592         * tree-ssa-operands.c (get_stmt_operands): Move
2593         handling of ASM_EXPRs ...
2594         (get_asm_expr_operands): ... here.
2595         When the ASM_EXPR clobbers memory, also clobber addressable
2596         variables.
2597         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
2598         (delete_tree_ssa): Reset addressable_vars.
2599
2600 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2601             Richard Henderson  <rth@redhat.com>
2602
2603         * varasm.c (assemble_variable): Use assemble_zeros for
2604         zero-initialized variables.
2605         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2606         for SECCAT_BSS and SECCAT_TBSS.
2607
2608 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2609
2610         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2611
2612         * expmed.c (emit_store_flag): Also special-case double-word
2613         (in-)equality comparison against -1.
2614
2615         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2616         passing arguments the containers for which are registers.
2617
2618         * calls.c (emit_library_call_value_1): Use mode of function parameter
2619         rather than that of argument since constants have none.
2620
2621 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2622
2623         Introduce H8SX support.
2624         * expr.c (expand_strcpy): Renamed and moved to...
2625         * builtins.c (expand_movstr): ... here.  Tweak.
2626         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2627         computed or has side effects.
2628         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2629         unused, or if mempcpy fails.  Adjust the return value in the
2630         latter case.  Use movstr if everything else fails.
2631         * doc/md.texi (movstr): Document.
2632         (movmemM, clrmemM): Fix explanation of memory block operands.
2633         * config/h8300/h8300.md (stpcpy): Renamed to...
2634         (movstr): ... this.  Adjust.
2635         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2636         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2637         movmem* and clrstr* to clrmem*.
2638         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2639         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2640         GENERAL_REGS, always.
2641         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2642         getting the stack pointer as addr.
2643         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2644         from general_operand_dst.
2645         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2646         variant of...
2647         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2648         instead of requiring it to match only before reload.
2649         (stpcpy_internal_normal): New, normal-mode variant of...
2650         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2651         `D' instead of requiring it to match only before reload.
2652         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2653         mode argument.
2654         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2655         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2656         h8300_get_index.
2657         * config/h8300/h8300.md (attr type): Add call.
2658         (attr can_delay): If type is call, set it no.
2659         (call, call_value): Set type to call.
2660         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2661         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2662         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2663         * tree.c (get_narrower): Don't narrow integral types into
2664         non-integral types.
2665         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2666         frame_size *before* the first use.
2667         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2668         on input.
2669         (peephole2): Don't widen instructions that push SP.  Move
2670         decrement of SP to the end of all stm-generating peepholes.
2671         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2672         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2673         and OR to set it to all ones.
2674         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2675         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2676         (call, call_value): Set can_delay to "no".
2677         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2678         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2679         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2680         * config/h8300/h8300.md (*brabit): Remove.
2681         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2682         zero_extract.  Use bit_memory_operand as the predicate for
2683         operand 1 and 'WU' as the constraint.  Check the difference
2684         between the base length and the final one when deciding which
2685         type of branch to use.
2686         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2687         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2688         Use convert_move to extend the result for TARGET_H8300SX.  Check
2689         for QImode memory references.  Optimize the case where the
2690         destination is a paradoxical subreg.
2691         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2692         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2693         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2694         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2695         * config/h8300/h8300.md: Include mova.md
2696         (length_table): Add mova and mova_zero.
2697         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2698         after all constant addresses for '%R', '%X', '%T' and '%S'.
2699         (h8300_mova_length): New function.
2700         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2701         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2702         dependencies for s-config, etc.
2703         * config/h8300/gemova.sh: New file.
2704         * config/h8300/mova.md: Generated.
2705         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2706         * config/h8300/h8300.c (h8300_bitfield_length): New.
2707         (nibble_operand): Adjust.
2708         (h8300_binary_length): Handle conditional binary op.
2709         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2710         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2711         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2712         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2713         constraints.  WU is introduced as a variant of U that requires a
2714         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2715         * config/h8300/h8300.md (attr type): Added bitbranch.
2716         (attr length_table): Added bitfield and bitbranch.
2717         (attr length): Compute bitbranch length.
2718         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2719         least-significant bit of a byte.
2720         (brabit, brabc, brabs): New.
2721         (insv, extzv): Emit bfst and bfld on H8300SX.
2722         (bfld, bfst, seq, sne): New.
2723         (bstzhireg, cmpstz, bstz, bistz): New.
2724         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2725         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2726         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2727         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2728         (h8sx_unary_memory_operator): New function.
2729         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2730         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2731         * config/h8300/h8300.md: Add peepholes to combine reloads and
2732         arithmetic insns.
2733         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2734         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2735         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2736         (and?i, ior?i, xor?i): Likewise.
2737         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2738         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2739         Various whitespace fixes.
2740         (h8300_constant_length): New function, split out from...
2741         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2742         (h8300_classify_operand): Use IN_RANGE.
2743         (h8300_classify_operand): Use h8300_constant_length.
2744         (h8300_short_move_mem_p): Tighten size check.
2745         (h8sx_mergeable_memrefs_p): Tighten equality check.
2746         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2747         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2748         for -msx.
2749         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2750         * config/h8300/crtn.asm: Likewise.
2751         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2752         if __H8300SX__ is defined.
2753         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2754         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2755         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2756         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2757         addresses as mode-dependent.
2758         * config/h8300/h8300.c (print_operand_address): Update call to
2759         h8300_get_index.
2760         (h8300_get_index): Take a mode argument.  Rework to fix an
2761         earlier misunderstanding.
2762         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2763         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2764         into a register if TARGET_H8300SX.
2765         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2766         TARGET_H8300SX.  Also disable related define_splits.
2767         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2768         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2769         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2770         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2771         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2772         (EXTRA_CONSTRAINT_STR): Check it.
2773         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2774         class arguments.
2775         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2776         * config/h8300/h8300.md (length_table): Add mov_imm4.
2777         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2778         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2779         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2780         be a label.
2781         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2782         * config/h8300/h8300.c (h8300_reorg): New function.
2783         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2784         * config/h8300/h8300.md (length): Subtract the length of the
2785         delay slot from (pc) when checking the range of forward branches.
2786         (delay_slot, can_delay): New attributes.
2787         (define_delay): Add bra/s handling.
2788         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2789         (jump): Add delayed-branch handling.
2790         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2791         * expr.c (expand_strcpy): New function.
2792         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2793         (expand_builtin_stpcpy): Likewise.
2794         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2795         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2796         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2797         handling to improve register allocation for -fno-omit-frame-pointer.
2798         (h8sx_split_movmd): Delete, moving er6 handling into...
2799         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2800         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2801         (movmd): Add calls to copy_rtx.
2802         (movmd_internal): In the second alternative, allow the initial and
2803         final destination registers to be different .  Update the splitter
2804         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2805         instead of h8sx_split_movmd.
2806         (stpcpy, movsd): New expanders.
2807         (movsd_internal): New define_insn.
2808         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2809         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2810         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2811         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2812         and DESTINATION_REGS.
2813         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2814         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2815         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2816         (h8300_move_ratio): Declare.
2817         (MOVE_RATIO): Use it.
2818         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2819         (h8300_init_once): Initialize it.
2820         (h8300_reg_class_from_letter): New function.
2821         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2822         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2823         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2824         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2825         (movstrsi, movmd): New expanders.
2826         (movmd_internal): New insn.
2827         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2828         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2829         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2830         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2831         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2832         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2833         * config/h8300/h8300.c (nibble_operand): Fix warning.
2834         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2835         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2836         (movsf_h8300h): Disable for TARGET_H8300SX.
2837         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2838         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2839         h8300_stm_parallel and h8300_return_parallel.
2840         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2841         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2842         h8300_stm_parallel, h8300_return_parallel): New functions.
2843         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2844         if TARGET_H8300SX.  Use h8300_push_pop.
2845         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2846         and final pop when generating h8sx code.  Always emit some form
2847         of return insn.
2848         * config/h8300/h8300.md: Don't enforce register alignment in
2849         stm peepholes if TARGET_H8300SX.
2850         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2851         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2852         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2853         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2854         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2855         (MULTILIB_DIRNAMES): Add a directory for it.
2856         (MULTILIB_MATCHES): Delete.
2857         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2858         * final.c (walk_alter_subreg): Handle addresses with subregs
2859         inside a ZERO_EXTEND or AND.
2860         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2861         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2862         if TARGET_H8300SX.
2863         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2864         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2865         @(dd,Rn.w) and @(dd,ERn.L).
2866         (h8300_displacement_size): Take the whole address as argument.
2867         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2868         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2869         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2870         (h8sx_mergeable_memrefs_p): Declare.
2871         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2872         (HAVE_PRE_INCREMENT): Likewise.
2873         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2874         addresses for TARGET_H8300SX,
2875         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2876         and POST_DEC.
2877         (movb_length_table, movl_length_table): New tables.
2878         (movw_length_table): Define to movb_length_table.
2879         (h8300_displacement_size): New, split out from...
2880         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2881         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2882         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2883         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2884         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2885         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2886         (h8sx_unary_shift_operator): Get the mode from the operator.
2887         (binary_shift_operator): Likewise.
2888         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2889         a memory reference, check whether the reference is offsettable.
2890         (length_table): Add movb, movw and movl.
2891         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2892         register when generating h8sx code.
2893         (movhi, movsi, movsf): Likewise.
2894         (movstrictqi): Use the length_table attribute.
2895         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2896         (addqi3): Split into a define_expand and define_insn.  Don't accept
2897         memory operands in the expander.  Use h8300_operands_match_p to
2898         check for matching operands in the define_insn.
2899         (subqi3, negqi2, one_cmplqi2): Likewise.
2900         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2901         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2902         use h8300_operands_match_p to check whether operands match.
2903         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2904         one_cmpl[hs]i3): Likewise.
2905         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2906         in the expander.
2907         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2908         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2909         (h8300_insn_length_from_table): Add a second parameter.
2910         (output_h8sx_shift): Declare.
2911         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2912         (EXTRA_CONSTRAINT): Replace with...
2913         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2914         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2915         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2916         and h8sx_binary_shift_operator.
2917         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2918         for TARGET_H8300SX.
2919         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2920         (bit_memory_operand, fix_bit_operand): Likewise.
2921         (h8300_length_table_for_insn): Remove.
2922         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2923         instructions.
2924         (h8300_short_immediate_length, h8300_binary_length): New functions.
2925         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2926         (output_plussi): Use sub to add negative constants.
2927         (compute_plussi_length): Adjust accordingly.
2928         (h8sx_single_shift_type): New enum.
2929         (h8sx_single_shift, h8sx_unary_shift_operator,
2930         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2931         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2932         single h8sx instruction.  Return false in this case.
2933         * config/h8300/h8300.md (length_table): Add short_immediate.
2934         (length): Pass the operand array to h8300_insn_length_from_table.
2935         (adjust_length): Assume "no" for insns with a length_table attribute.
2936         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2937         (*addhi3_h8300hs): Don't use for h8sx.
2938         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2939         and sub.w #xx:3.
2940         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2941         1's predicate to nonimmediate_operand.  Only skip default expansion
2942         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2943         for single h8sx shift instructions.
2944         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2945         * config/h8300/h8300.c (nibble_operand): Split out of...
2946         (reg_or_nibble_operand): ... this.
2947         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2948         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2949         umulhisi3): Introduce expand, and introduce separate insns for
2950         sign- or zero-extended REG and already-extended CONST_INT.
2951         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2952         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2953         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2954         (subhi3): Likewise.  Don't accept immediates for operand 1.
2955         Remove the early clobber from second alternative of the h8300s pattern.
2956         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2957         on plain h8300 targets.
2958         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2959         (subsi3_h8300h): Generalize for h8sx.
2960         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2961         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2962         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2963         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2964         (TARGET_H8300SXMUL): New.
2965         (CONST_OK_FOR_P): New.
2966         (CONST_OK_FOR_LETTER_P): Adjust.
2967         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2968         umulhisi3): Accept 4-bit immediate on H8SX.
2969         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2970         (udivsi3, divhi3, udivsi3, divsi3): New.
2971         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2972         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2973         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2974         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2975         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2976         Add ADDRESSOF to the bit_operand entry.
2977         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2978         (h8300_src_operand): Likewise.
2979         (bit_operand): Check nonimmediate_operand rather than general_operand.
2980         Accept any nonimmediate_operand in h8sx code.
2981         (h8300_and_costs): Initialize operands[1].
2982         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2983         (h8300_operand_class): New enum.
2984         (h8300_length_table): New typedef.
2985         (addb_length_table, addw_length_table, addl_length_table,
2986         logicl_length_table): New tables.
2987         (logicb_length_table, logicw_length_table): New macros.
2988         (h8300_classify_operand, h8300_length_from_table,
2989         h8300_length_table_for_insn, h8300_unary_length,
2990         h8300_insn_length_from_table): New functions.
2991         (output_plussi): Only use adds and subs for register destinations.
2992         Disable redundant clause.
2993         (compute_plussi_cc): Likewise.
2994         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2995         to work out the length of an insn.
2996         (output_logical_op): Only use narrower immediate instructions
2997         if the destination is a register.
2998         (compute_logical_op_cc): Likewise.
2999         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
3000         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
3001         * config/h8300/h8300.md (length_table): New attribute.
3002         (length): When an instruction has a length_table attribute, use
3003         h8300_insn_length_from_table to calculate its default length.
3004         (cmpqi): Use h8300_dst_operand for the first operand and
3005         h8300_src_operand for the second.
3006         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
3007         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
3008         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
3009         iorsi3, xorhi3, xorsi3): Likewise.
3010         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
3011         so that it allows any combination of operands for TARGET_H8300SX.
3012         (iorqi3, xorqi3): Likewise.
3013         (cmpqi): Use the length_table attribute.
3014         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
3015         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
3016         (cmpqi): Add 'Q' constraint.
3017         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
3018         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
3019         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
3020         * config/h8300/h8300.h (MASK_H8300SX): New macro.
3021         (TARGET_H8300S): True for both -ms and -msx.
3022         (TARGET_H8300SX): New macro.
3023         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
3024         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
3025         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
3026         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
3027         [Temporary change.]
3028         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
3029         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
3030         16-bit pointers and 32-bit ints.
3031         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
3032         CONST_DOUBLE with mode no wider than SImode.
3033         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
3034         output operand.
3035         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
3036         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
3037         or SUBREG thereof.
3038         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
3039         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
3040         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
3041
3042 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3043
3044         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
3045
3046 2004-07-07  Per Bothner  <per@bothner.com>
3047
3048         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
3049
3050 2004-07-07  Mike Stump  <mrs@apple.com>
3051
3052         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
3053         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
3054         (machopic_finish): Likewise.
3055
3056 2004-07-07  Richard Henderson  <rth@redhat.com>
3057
3058         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
3059         through any value-preserving cast.
3060
3061 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3062
3063         * function.c (assign_parm_find_data_types): Call
3064         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
3065
3066 2004-07-07  Steven Bosscher  <stevenb@suse.de>
3067
3068         * tree-cfg.c (group_case_labels): Remove case labels that have
3069         the same target as the default case.
3070
3071 2004-07-07  Steven Bosscher  <stevenb@suse.de>
3072
3073         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
3074         regardless of DECL_LANG_SPECIFIC being present or not.
3075         * tree.h (DECL_NUM_STMTS): Purge.
3076
3077 2004-07-07  Andrew Pinski  <apinski@apple.com>
3078
3079         * configure: Regenerate with the right autoconf.
3080
3081 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
3082
3083         * ifcvt.c (total_bb_rtx_cost): New function.
3084         (find_if_case_1): Compare rtx_cost of basic block to cost of
3085         BRANCH_COST insns.
3086         (find_if_case_2): Same.
3087
3088 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3089
3090         PR target/10567
3091         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
3092         (output_return): Likewise.
3093         (output_sibcall): Abort if !flag_delayed_branch.
3094         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
3095         (emit_and_preserve): New function.
3096         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
3097         indirect jump to the thunked-to function if !flag_delayed_branch.
3098         * config/sparc/sparc.md (delayed_branch): New attribute.
3099         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
3100         attribute to compute the length of the insn.
3101         (goto_handler_and_restore): Likewise.
3102
3103 2004-07-07  Andrew Pinski  <apinski@apple.com>
3104
3105         PR tree-optimization/15777
3106         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
3107
3108         * expr.c (expand_expr_real_1): Fix formating.
3109         BUFFER_REF and IN_EXPR are dead.
3110         * fold-const.c (non_lvalue): BUFFER_REF is dead.
3111         * tree-inline.c (estimate_num_insns_1): Likewise.
3112         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
3113         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
3114         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
3115
3116 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
3117
3118         * collect2.c (dump_file): Don't call cplus_demangle if
3119         HAVE_LD_DEMANGLE is defined.
3120         (main): Pass "--demangle" to ld if no_demangle is not 0 and
3121         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
3122         if HAVE_LD_DEMANGLE is defined.
3123
3124         * configure.ac (--with-demangler-in-ld): Added
3125         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
3126         --with-demangler-in-ld is used.
3127         * config.in: Regenerated.
3128         * configure: Likewise.
3129
3130 2004-07-07  Roger Sayle  <roger@eyesopen.com>
3131
3132         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
3133         for simple floating point operations "fp", double precision
3134         multiplication "dmul", and single and double precision division
3135         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
3136         (ppc630_cost): New table split from ppc620_cost, to distinguish
3137         differences in floating point latencies.
3138         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
3139         (rs6000_rtx_costs): Add support for single and double precision
3140         floating point addition, subtraction, multiplication, division,
3141         fused-multiply-add, fused-multiply-sub, negation, absolute value
3142         and negative absolute value.  Tweak MEM case to use prefered idiom.
3143
3144 2004-07-07  Richard Henderson  <rth@redhat.com>
3145
3146         * tree-flow-inline.h (may_propagate_copy): Move...
3147         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
3148         attempt to copy between types requiring conversion.
3149         * tree-flow.h (may_propagate_copy): Update decl.
3150         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
3151
3152 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
3153
3154         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
3155         from -mtune= option.
3156
3157 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3158
3159         * builtins.c: Rename movstr*, except for movstrict*, to
3160         movmem* and clrstr* to clrmem*.
3161         * expr.c: Likewise.
3162         * expr.h: Likewise.
3163         * genopinit.c: Likewise.
3164         * integrate.c: Likewise.
3165         * local-alloc.c: Likewise.
3166         * optabs.c: Likewise.
3167         * optabs.h: Likewise.
3168         * config/alpha/alpha.h: Likewise.
3169         * config/alpha/alpha.md: Likewise.
3170         * config/arm/arm-protos.h: Likewise.
3171         * config/arm/arm.c: Likewise.
3172         * config/arm/arm.md: Likewise.
3173         * config/avr/avr.md: Likewise.
3174         * config/c4x/c4x.c: Likewise.
3175         * config/c4x/c4x.md: Likewise.
3176         * config/frv/frv.md: Likewise.
3177         * config/i386/i386-protos.h: Likewise.
3178         * config/i386/i386.c: Likewise.
3179         * config/i386/i386.h: Likewise.
3180         * config/i386/i386.md: Likewise.
3181         * config/i860/i860.c: Likewise.
3182         * config/i860/i860.md: Likewise.
3183         * config/ip2k/ip2k.md: Likewise.
3184         * config/ip2k/libgcc.S: Likewise.
3185         * config/ip2k/t-ip2k: Likewise.
3186         * config/m32r/m32r.c: Likewise.
3187         * config/m32r/m32r.md: Likewise.
3188         * config/mcore/mcore.md: Likewise.
3189         * config/mips/mips.c: Likewise.
3190         * config/mips/mips.md: Likewise.
3191         * config/ns32k/ns32k.c: Likewise.
3192         * config/ns32k/ns32k.h: Likewise.
3193         * config/ns32k/ns32k.md: Likewise.
3194         * config/pa/pa.c: Likewise.
3195         * config/pa/pa.md: Likewise.
3196         * config/pdp11/pdp11.h: Likewise.
3197         * config/pdp11/pdp11.md: Likewise.
3198         * config/rs6000/rs6000.c: Likewise.
3199         * config/rs6000/rs6000.md: Likewise.
3200         * config/s390/s390-protos.h: Likewise.
3201         * config/s390/s390.c: Likewise.
3202         * config/s390/s390.md: Likewise.
3203         * config/sh/lib1funcs.asm: Likewise.
3204         * config/sh/sh.c: Likewise.
3205         * config/sh/sh.md: Likewise.
3206         * config/sh/t-sh: Likewise.
3207         * config/sparc/sparc.h: Likewise.
3208         * config/vax/vax.md: Likewise.
3209         * config/xtensa/xtensa.c: Likewise.
3210         * config/xtensa/xtensa.md: Likewise.
3211         * doc/invoke.texi: Likewise.
3212         * doc/md.texi: Likewise.
3213         * doc/rtl.texi: Likewise.
3214
3215 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
3216
3217         PR target/16407
3218         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
3219         * config/mips/mips.c (mips_declare_common_object): New function,
3220         mostly split out from...
3221         (mips_output_aligned_decl_common): ...here.
3222         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
3223         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
3224         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
3225         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
3226
3227 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3228
3229         PR c/16392
3230         * function.c (assign_parms): Fix typo from previous change.
3231
3232 2004-07-07  Jason Merrill  <jason@redhat.com>
3233
3234         PR c++/15815
3235         * doc/extend.texi (C++ Interface): Correct information and
3236         discourage use.
3237
3238 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
3239
3240         PR target/16130
3241         PR target/16142
3242         PR target/16143
3243         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
3244         insn.
3245
3246 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3247
3248         PR target/1679.
3249         * config/m32r/m32r.c (m32r_function_symbol): New function:
3250         Generate a symbol name RTX with the correct m32r specific flags
3251         set.
3252         (block_move_call): Use new function to generate correct symbol.
3253         * config/m32r/m32r-protos.h: Add prototype for new funcion.
3254         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
3255         function.
3256
3257 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
3258
3259         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
3260         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
3261         TYPE_BINFO_BASETYPE): Remove.
3262         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
3263         to ...
3264         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
3265         here.
3266         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
3267         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
3268         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
3269         (struct tree_binfo): Rename base_types to base_binfos.
3270         * alias.c (record_component_aliases): Adjust BINFO macros.
3271         * dbxout.c (dbxout_type): Likewise.
3272         * dwarf2out.c (gen_member_die): Likewise.
3273         * sdbout.c (sdbout_one_type): Likewise.
3274         * tree-dump.c (deque_and_dump): Likewise.
3275         * config/i386/i386.c (classify_argument,
3276         contains_128bit_aligned_vector_p): Likewise.
3277
3278 2004-07-07  Nick Clifton  <nickc@redhat.com>
3279
3280         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
3281         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
3282
3283 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
3284
3285         * vec.h: Fix the example use.
3286
3287 2004-07-06  Richard Henderson  <rth@redhat.com>
3288
3289         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
3290         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
3291         * tree-inline.c (copy_body_r, setup_one_parameter,
3292         initialize_inlined_parameters, expand_call_inline,
3293         declare_inline_vars): Don't check it.
3294         (expand_calls_inline): Remove old version, rename new version
3295         from gimple_expand_calls_inline.
3296         * tree-optimize.c (execute_gimple): Remove.
3297         (pass_gimple): Don't run anything.
3298
3299 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3300
3301         * doc/sourcebuild.texi: Use semicolons instead of commas in
3302         section title.
3303
3304 2004-07-06  Richard Henderson  <rth@redhat.com>
3305
3306         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
3307         (sra_walk_modify_expr, scan_init): Likewise.
3308         (generate_element_zero): Check visited before scanning children.
3309         (generate_element_init): Set visited on error.
3310         (scalarize_init): Handle generate_element_init failure similar
3311         to use_block_copy.
3312
3313 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3314
3315         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
3316         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
3317
3318 2004-07-06  Richard Henderson  <rth@redhat.com>
3319
3320         * config/i386/i386.c (legitimize_pic_address): Make static.
3321         (legitimize_address): Handle CONST with TLS operand.
3322         (ix86_expand_move): Don't call legitimize_pic_address directly.
3323         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
3324
3325 2004-07-06  Roger Sayle  <roger@eyesopen.com>
3326
3327         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
3328         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
3329         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
3330         is currently executed unconditionally, i.e. not in "else_bb".
3331
3332 2004-07-06  Steven Bosscher  <stevenb@suse.de>
3333
3334         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
3335         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3336         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
3337         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3338         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
3339         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3340         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
3341         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3342         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
3343         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3344         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
3345         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3346         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
3347         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3348         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
3349         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3350
3351 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
3352
3353         * dojump.c (do_jump):&nb