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* fold-const.c (fold): Reassociate also (x - mult) + mult and
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-11-02  Zdenek Dvorak  <dvorakz@suse.cz>
2
3         * fold-const.c (fold): Reassociate also (x - mult) + mult and
4         (mult - x) + mult.  Cast operands of expression after applying
5         distributive law to the correct types.  Apply distributive law
6         to a * c - b * c for all non-float types.
7
8 2004-11-02  Geoffrey Keating  <geoffk@apple.com>
9
10         * configure.ac: Don't clear STMP_FIXINC or STMP_FIXPROTO just
11         because we don't want to run them now; instead, set them to
12         stmp-install-fixproto or stmp-install-fixinc.
13         * Makefile.in (stmp-install-fixproto): New.
14         (stmp-install-fixinc): New.
15         * configure: Regenerate.
16
17 2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>
18
19         * flow.c (init_propagate_block_info): Use bitmap_empty_p on result
20         of bitmap_xor.
21
22 2004-11-02  Ziemowit Laski  <zlaski@apple.com>
23
24         * c-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
25         (c_types_compatible_p): Move function definition...
26         * c-objc-common.c (c_types_compatible_p): ...here.
27         * c-objc-common.h (LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from
28         c-lang.c.
29
30 2004-11-02  Steven Bosscher  <stevenb@suse.de>
31
32         * cfgloop.h (struct loop): Update comment.
33         * cse.c (cse_main): Remove obsolete comment.
34
35         * expr.h (gen_cond_trap): Move prototype under functions provided
36         by optabs.c.
37         (canonicalize_condition, get_condition): Move to...
38         * rtl.h (canonicalize_condition, get_condition): ...here.
39         (branch_target_load_optimize): Add comment that this function is
40         in bt-load.c.
41         * loop.c (canonicalize_condition, get_condition): Move to...
42         * rtlanal.c (canonicalize_condition, get_condition): ...here.
43         * sched-deps.c (get_condition): Rename to sched_get_condition.
44         (add_dependence): Update this caller.
45  
46 2004-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
47
48         PR tree-opt/16808
49         * tree-ssa.c (replace_immediate_uses): If we call fold_stmt, make sure
50         that the vops get marked for renaming.
51
52 2004-11-02  Andreas Krebbel  <krebbel1@de.ibm.com>
53
54         * config/s390/s390.md ("movcc"): Set type attribute.
55
56 2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>
57
58         * tree-phinodes.c (add_phi_arg): Add an assertion that the
59         edge already exists.
60
61 2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>
62
63         * tree-phinodes.c (remove_phi_arg_num): Do not zero the
64         element that's being removed.
65
66 2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>
67
68         * tree-ssa-threadupdate.c (copy_phis_to_block): Install PHI
69         arguments using PENDING_STMT.
70         (thread_block): Call copy_phis_to_block after redirecting an
71         edge.
72
73 2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>
74
75         * bitmap.h (bitmap_and, bitmap_and_into, bitmap_and_compl,
76         bitmap_and_compl_into, bitmap_ior, bitmap_iot_into,
77         bitmap_ior_compl, bitmap_xor, bitmap_xor_into): Produce void.
78         (bitmap_ior_and_compl_into): Produce bool.
79         (bitmap_union_of_diff): Rename to ...
80         (bitmap_ior_and_compl): ... here. Produce bool.
81         * bitmap.c (bitmap_ior_and_compl_into): Return bool. Use
82         bitmap_operation directly.
83         (bitmap_union_of_diff): Rename to ...
84         (bitmap_ior_and_compl): ... here. Return bool, use
85         bitmap_operation directly.
86         * df.c (df_rd_transfer_function): Use bitmap_ior_and_compl.
87         (df_ru_transfer_function, df_lr_transfer_function): Likewise.
88         * global.c (modify_bb_reg_pav): Likewise.
89
90         * bitmap.h (bitmap_equal_p): Return bool.
91         (bitmap_intersect_p, bitmap_intersect_compl_p): Declare.
92         * bitmap.c (bitmap_equal_p): Return bool. Compare directly.
93         (bitmap_intersect_p, bitmap_intersect_compl_p): New.
94         * flow.c (calculate_global_regs_live): Use bitmap_intersect_p and
95         bitmap_intersect_compl_p.
96         * ifcvt (dead_or_predicable): Likewise.
97
98 2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>
99
100         PR rtl-optimization/17104
101         * config/rs6000/rs6000.c (rs6000_emit_move): Don't wrap small
102         loads in zero_extend.
103
104 2004-11-02  Danny Smith  <dannysmith@users.sourceforge.net>
105
106         PR debug/18242
107         * toplev.c (debug_type_names): Remove "dwarf-1".
108
109 2004-11-02  Ben Elliston  <bje@au.ibm.com>
110
111         * timevar.h (timevar_get): Remove. 
112         * timevar.c (timevar_get): Remove unused function.
113
114 2004-11-02  Joseph S. Myers  <joseph@codesourcery.com>
115
116         * doc/include/texinfo.tex: Update from Texinfo CVS.
117
118 2004-11-02  Ben Elliston  <bje@au.ibm.com>
119
120         * cppdefault.h (cpp_SYSROOT): Remove.
121         * cppdefault.c (cpp_SYSROOT): Likewise.
122
123 2004-11-01  Andrew MacLeod  <amacleod@redhat.com>
124
125         PR tree-optimization/16447
126         * tree-cfg.c (bsi_commit_one_edge_insert): Rename from 
127         bsi_commit_edge_inserts_1, and make funtion external.  Return new block.
128         (bsi_commit_edge_inserts): Use renamed bsi_commit_one_edge_insert.
129         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Enable listing.
130         * tree-flow.h (bsi_commit_one_edge_insert): Extern decl.
131         * tree-outof-ssa.c (rewrite_trees): Don't commit edges here.
132         (same_stmt_list_p): New.  Return TRUE if edge is to be forwarded.
133         (identical_copies_p): New.  Return true is two copies are the same.
134         (identical_stmt_lists_p): New.  Return true if stmt lists are the same.
135         (analyze_edges_for_bb): New.  Determine how best to insert edge stmts 
136         for a basic block.
137         (perform_edge_inserts): New.  Determine what to do with all stmts that
138         have been inserted on edges.
139         (remove_ssa_form):  Analyze and commit edges from here.
140
141 2004-11-01  Andrew Pinski  <pinskia@physics.uc.edu>
142
143         PR bootstrap/18232
144         * bitmap.h (bmp_iter_end_p): Take a const pointer instead of a struct.
145         (EXECUTE_IF_SET_IN_BITMAP): Update call to bmp_iter_end_p.
146         (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
147         (EXECUTE_IF_AND_IN_BITMAP): Likewise.
148
149 2004-11-01  Joseph S. Myers  <joseph@codesourcery.com>
150
151         PR c/18239
152         * c-decl.c (get_parm_info): Allow FUNCTION_DECLs to appear amongst
153         parameter declarations.
154
155 2004-11-01  Andreas Krebbel  <krebbel1@de.ibm.com>
156
157         * config/s390/s390.c (regclass_map): Put reg 33 (cc) to CC_REGS group.
158         (s390_secondary_input_reload_class)
159         (s390_secondary_output_reload_class): Use GENERAL_REGS to reload a cc
160         register.
161         (s390_expand_cmpmem): Enable cmpmem implementation.
162         * config/s390/s390.h (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
163         Added three new classes: CC_REGS, ADDR_CC_REGS, GENERAL_CC_REGS.
164         (REG_CLASS_FROM_LETTER): New constraint 'c' added.
165         * config/s390/s390.md ("movcc"): New insn pattern.
166         * doc/md.texi: Document 'c' constraint for s390.
167
168 2004-11-01  Nathan Sidwell  <nathan@codesourcery.com>
169
170         PR c++/18064
171         * doc/extend.texi (Deprecated Features): Deprecate G++ covariant
172         extension.
173
174 2004-10-16  Daniel Berlin  <dberlin@dberlin.org>
175
176         Fix PR tree-optimization/17672
177         Fix PR tree-optimization/18168
178         
179         * lambda-code.c (lambda_lattice_compute_base): Fix reversed
180         assert test.
181         (gcc_tree_to_linear_expression): Add extra to existing constant.
182         (depth_of_nest): Factor out function used in various places.
183         (gcc_loop_to_lambda_loop): Clean up code a little bit. No
184         functional changes.
185         (find_induction_var_from_exit_cond): Stop guessing, and just
186         get the right answer :).
187         (gcc_loopnest_to_lambda_loopnest): Remove useless pre-allocation.
188         Print out message about result of attempt to create perfect nest.
189         (lbv_to_gcc_expression): Add type argument, use it to do math
190         and induction variable creation.
191         (lle_to_gcc_expression): Ditto.
192         (lambda_loopnest_to_gcc_loopnest): Create new iv with same type as
193         oldiv. Pass type argument to lle_to_gcc_expression and 
194         lbv_to_gcc_expression.
195         Reset number of iterations after transformation.
196         (perfect_nestify): Remove useless pre-allocation, and cleanup
197         a small amount.
198
199         * tree-data-ref.c (build_classic_dist_vector): Return false for
200         dependences completely outside of the loop nest we asked about.
201         (build_classic_dir_vector): Ditto.
202         (compute_data_dependences_for_loop): Only add dependence relations
203         inside the loop we asked about.
204         
205         * tree-loop-linear.c (linear_transform_loops): Use DDR_SIZE_VECT.
206         Compute immediate uses.
207         
208         * tree-optimize.c: Move linear_transform_loops to before ivcanon.
209         
210 2004-11-01  Kazu Hirata  <kazu@cs.umass.edu>
211
212         * tree-cfg.c (thread_jumps): Fix a comment typo.
213
214 2004-11-01  Kazu Hirata  <kazu@cs.umass.edu>
215
216         * tree-cfg.c (thread_jumps): Fix a comment typo.
217
218 2004-10-31  Nicolas Pitre <nico@cam.org>
219
220         * config/arm/ieee754-sf.S (floatdisf): Fix regression with
221         values smaller than 2^32.
222
223 2004-10-31 Jeff Law  <law@redhat.com>
224
225         * cfgloop.h (struct loop): Remove unused "nodes" field.
226         * timevar.def (TV_TREE_LOOP_BOUNDS): New.
227         * tree-data-ref.c (find_data_references_in_loop): Use get_loop_body
228         instead of calling flow_bb_inside_loop_p for every basic block
229         in the function.
230         * tree-ssa-loop.c (pass_record_bounds): Use TV_TREE_LOOP_BOUNDS.
231
232 2004-10-31  Graham Stott <graham.stott@btinternet.com>
233
234         * config/pa/pa.md: (prefetch_64, prefetch_32): Fix typo.  Use
235         INT_5_BITS instead of VAL_5_BITS_P.
236
237 2004-10-31  Roger Sayle  <roger@eyesopen.com>
238
239         PR middle-end/14521
240         * tree-inline.c (inline_forbidden_p_1): Use %qF instead of '%F'
241         for consistent quoting in diagnostic messages.
242         (expand_call_inline): Likewise.
243         * tree-optimize.c (tree_rest_of_compilation): Likewise.
244         * tree-ssa.c (warn_uninitialized_var): Likewise.
245         (warn_uninitialized_phi): Likewise.
246
247 2004-10-31  Richard Sandiford  <rsandifo@redhat.com>
248
249         * config/mips/mips.c (mips_cannot_change_mode_class): Use a stricter
250         mode check.
251
252 2004-10-31  Kazu Hirata  <kazu@cs.umass.edu>
253
254         * c-common.c: Fix a comment typo.
255
256 2004-10-31  Jason Merrill  <jason@redhat.com>
257
258         PR middle-end/17526
259         * tree-gimple.c (is_gimple_mem_rhs): Also require a val for
260         aggregate types that are not BLKmode.
261
262 2004-10-30  Ziemowit Laski  <zlaski@apple.com>
263
264         * c-common.h (objc_lookup_ivar): Add second parameter to
265         prototype.
266         * c-typeck.c (build_external_ref): After looking up symbol,
267         pass it to objc_lookup_ivar() to decide whether it or the
268         ivar should be used, rather than deciding the issue locally.
269         * stub-objc.c (objc_lookup_ivar): Add an OTHER parameter,
270         which is simply returned in the non-ObjC case.
271
272 2004-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
273
274         * sdbout.c (sdbout_symbol): Do not output type .def statements
275         for builtin types.
276
277 2004-10-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
278
279         * c-common.c (catenate_strings): New.
280         (c_parse_error): Use it.  Don't over-escape.
281
282 2004-10-30  Kaz Kojima  <kkojima@gcc.gnu.org>
283
284         * config/sh/sh.c (calc_live_regs): Declare reg as unsigned and
285         modify the for loop expressions for it.  Remove unnecessary casts.
286         (sh_expand_prologue): Declare reg as unsigned.
287         (sh_gimplify_va_arg_expr): Initinalize lab_over.
288         (sh_handle_sp_switch_attribute): Add const qualifier appropriately.
289
290 2004-10-30  Geoffrey Keating  <geoffk@apple.com>
291
292         * doc/invoke.texi (Darwin Options): Improve description of
293         how the subtype is chosen.
294
295 2004-10-30  Roger Sayle  <roger@eyesopen.com>
296
297         PR middle-end/18096
298         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Check that
299         the stack adjustment, "size", is valid for Pmode.  If the stack
300         frame is too large, generate a trap insn and issue a warning.
301
302 2004-10-30  Kazu Hirata  <kazu@cs.umass.edu>
303
304         * tree-ssa-dom.c: Fix comment typos.
305
306 2004-10-30  Kaz Kojima  <kkojima@gcc.gnu.org>
307
308         * config/sh/sh.c (prepare_move_operands): Use operands[0]
309         for the output rtl if no_new_pseudos is set.  Remove redundant
310         line.
311
312 2004-10-30  Joseph S. Myers  <joseph@codesourcery.com>
313
314         PR c/16666
315         * c-decl.c (start_function): Don't check for DECL_BUILT_IN when
316         determining whether to copy parameter types from a previous
317         prototype declaration.
318
319 2004-10-29  Roger Sayle  <roger@eyesopen.com>
320
321         PR rtl-optimization/17581
322         * cselib.c (cselib_process_insn): The last instruction of a libcall
323         block, with the REG_RETVAL note, should be considered in the libcall.
324         * gcse.c (do_local_cprop): Allow constants to be propagated outside
325         of libcall blocks.
326         (adjust_libcall_notes): Use simplify_replace_rtx instead of
327         replace_rtx to avoid creating invalid RTL in REG_RETVAL notes.
328
329 2004-10-30  Kazu Hirata  <kazu@cs.umass.edu>
330
331         * tree-phinodes.c (create_phi_node): Don't zero PHI_REWRITTEN.
332
333 2004-10-29 Jeff Law  <law@redhat.com>
334
335         * tree-ssa-dom.c (struct edge_info): New structure holding
336         edge equivalences and edge redirection information.
337         (get_eq_expr_value, record_dominating_conditions): Kill.
338         (propagate_to_outgoing_edges): Renamed from cprop_into_phis.
339         Call record_edge_info.
340         (allocate_edge_info, free_edge_info): New.
341         (tree_ssa_dominator_optimize): Use propagate_to_outgoing_edges
342         rather than cprop_into_phis.  Free all edge infos before threading
343         jumps.
344         (thread_across_edge): Allocate new edge info structures as needed
345         and store the redirection target into the edge info structure
346         instead of the edge's AUX field.
347         (dom_opt_initialize_block): Mark unused argument with ATTRIBUTE_UNUSED.
348         (record_equivalence_from_incoming_edge): Lose unnecessary argument.
349         Revamp code which finds and records equivalences associated with
350         edges to use saved data in the edge_info structure.
351         (record_equivalencs_from_phis): Similarly.
352         (dom_opt_finalize_block): Revamp code which finds and records
353         equivalences associated with edges to use saved data in the
354         edge_info structure.
355         (build_and_record_new_cond): New function.
356         (record_conditions): Use build_and_record_new_cond to record
357         dominating conditions.
358         (record_edge_info): New function.
359         (record_range): Tighten test for conditions which create
360         useful range records.
361
362 2004-10-29  Geoffrey Keating  <geoffk@apple.com>
363
364         * config/i386/darwin.h (ASM_SPEC): Simplify.
365         (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
366         * config/rs6000/darwin.h (DARWIN_SUBARCH_SPEC): New.
367         (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
368         * config/darwin.h (LINK_COMMAND_SPEC): Don't pass -arch here.
369         (LINK_SPEC): Do pass -arch here.  Handle -force_cpusubtype_ALL
370         in all cases.  Pass the right -arch or -arch_only based on -mcpu.
371         (ASM_SPEC): Handle -force_cpusubtype_ALL.
372         * doc/invoke.texi (Darwin Options): Improve documentation for
373         Darwin linker (and libtool) switches.
374
375         * config/rs6000/darwin-fallback.c: Include <mach/thread_status.h>.
376
377 2004-10-29  Stan Shebs  <shebs@apple.com>
378
379         * config/rs6000/darwin-tramp.asm: Make more 64-bit-friendly.
380
381 2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>
382
383         * tree-phinodes.c (allocate_phi_node): New.
384         (make_phi_node, resize_phi_node): Use it.
385
386 2004-10-29  David Edelsohn  <edelsohn@gnu.org>
387
388         * config/rs6000/sysv4.h (TARGET_POWER): Define as 0.
389         * config/rs6000/darwin.h (TARGET_POWER): Define as 0.
390
391 2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>
392
393         * tree-phinodes.c (make_phi_node, resize_phi_node): Don't zero
394         the whole PHI node.
395         * tree.h (tree_phi_node): Tell the garbage collector to chase
396         num_args arguments.
397
398 2004-10-29  Richard Earnshaw  <rearnsha@arm.com>
399
400         * opts.c (decode_options): Lower the crossjump threshold for -Os.
401
402 2004-10-29  Diego Novillo  <dnovillo@redhat.com>
403
404         * tree.h (struct tree_ssa_name): Remove field 'equiv'.
405
406 2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>
407
408         * bitmap.h (bitmap_empty_p): New.
409         (bitmap_and, bitmap_and_into, bitmap_and_compl,
410         bitmap_and_compl_into, bitmap_ior, bitmap_ior_into,
411         bitmap_ior_compl, bitmap_xor, bitmap_xor_into): New bitmap
412         operation macros.
413         (bitmap_ior_and_compl): Rename to ...
414         (bitmap_ior_and_compl_into): ... here.
415         * bitmap.c (bitmap_equal_p): Use bitmap_xor.
416         (bitmap_ior_and_compl): Rename to ...
417         (bitmap_ior_and_compl_into): ... here. Adjust. Return changed
418         flag.
419         (bitmap_union_of_diff): Use renamed bitmap functions.
420         * basic-block.h (AND_REG_SET, AND_COMPL_REG_SET, IOR_REG_SET,
421         XOR_REG_SET, IOR_AND_COMPL_REG_SET): Likewise.
422         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
423         * df.c (df_bb_rd_local_compute)
424         * flow.c (calculate_global_regs_live,
425         init_propagate_block_info): Likewise.
426         * ifcvt.c (find_if_case_1, find_if_case_2,
427         dead_or_predicable): Likewise.
428         * ra-build.c (union_web_part_roots, livethrough_conflicts_bb,
429         reset_conflicts, conflicts_between_webs): Likewise.
430         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
431         detect_web_parts_to_rebuild): Likewise.
432         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
433         * tree-int-ssa.c (insert_phi_nodes_for, rewrite_into_ssa): Likewise.
434         * tree-sra.c (decide_instantiations): Likewise.
435         * tree-ssa-alias.c (create_name_tags,
436         merge_pointed_to_info): Likewise.
437         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
438         * tree-ssa-loop-im.c (move_computations): Likewise.
439         * tree-ssa-operands.c (get_call_expr_operands): Likewise.
440         * tree-ssa-pre.c (fini_pre): Likewise.
441         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
442         * tree-ssanames.c (any_marked_for_rewrite_p): Likewise.
443         * tree-vectorizer.c (vectorize_loops): Likewise.
444
445 2004-10-29  Nick Clifton  <nickc@redhat.com>
446
447         config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): When
448         adding the PIC register to the fixed_regs array, also add it
449         to the call_used_regs array.  
450
451 2004-10-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
452
453         * gthr-posix.h (__gthread_recursive_mutex_init_function): Guard
454         with #ifdef PTHREAD_MUTEX_RECURSIVE/#endif pairs.
455
456 2004-10-28  Daniel Berlin  <dberlin@dberlin.org>
457
458         * tree-into-ssa.c (rewrite_virtual_phi_arguments): New function.
459         (rewrite_blocks): Modify argument, and use it to decide which
460         function to call.
461         (rewrite_def_def_chains): Call rewrite_blocks with true here.
462         (rewrite_into_ssa): and call it with false here.
463         
464 2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>
465
466         * tree-phinodes.c (add_phi_arg): Turn an "if" that always
467         triggers into gcc_assert.
468
469 2004-10-28  Diego Novillo  <dnovillo@redhat.com>
470
471         PR tree-optimization/16728
472         * tree-flow.h (get_ptr_info): Declare.
473         * tree-ssa-alias.c (get_ptr_info): Make extern.
474         * tree-ssa-copy.c (merge_alias_info): Merge flow-sensitive
475         alias information.
476
477 2004-10-28  Stan Shebs  <shebs@apple.com>
478
479         * config/rs6000/darwin.h (SUBTARGET_EXTRA_SPECS): Handle -m64.
480         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Add ppc64
481         case.
482
483 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
484
485         * tree-mudflap.c (mudflap_init): Mark cache-lookup decls to
486         prevent their later unnecessary registration.
487         (mf_build_check_statement_for): Remove "addr" argument, and
488         related "__mf_value" generated code.  Update callers.
489         (mf_decl_eligible_p): New function, factored from mx_register_decls.
490         (mx_register_decls): Call it.
491         (mf_xform_derefs_1): Rewrite COMPONENT_REF and ARRAY_REF cases
492         to restore support for complex nested expressions.
493         (mudflap_enqueue_decl): Simplify.  Move registration call emission
494         out ...
495         (mudflap_finish_file): ... to here.
496         (mudflap_enqueue_constant): Remove dump code.
497
498 2004-10-28  Zack Weinberg  <zack@codesourcery.com>
499
500         PR 18199
501         * dbxout.c (dbxout_begin_complex_stabs_noforcetext): New function.
502         (DBX_FINISH_STABS): Add (unused by default) SYM parameter.
503         (dbxout_finish_complex_stabs): Update to match.
504         (dbxout_symbol_location): Call emit_pending_bincls_if_required
505         and FORCE_TEXT before DBX_STATIC_BLOCK_START.  Use
506         dbxout_begin_complex_stabs_noforcetext.
507         * xcoffout.h (DBX_FINISH_STABS): Restore special case for
508         N_GSYM, using new SYM parameter.  Correct logic for special
509         cases for N_FUN.
510
511         * varasm.c (function_section): If DECL is NULL_TREE, don't try
512         to do anything else.  Do not call get_insns if cfun or
513         cfun->emit are NULL.
514
515 2004-10-28  Adam Nemet  <anemet@lnxw.com>
516
517         PR middle-end/18160
518         * c-typeck.c (c_mark_addressable): Issue error if address of a
519         register variable is taken.  Use "%qD" to print DECL_NAME.
520
521 2004-10-28  Diego Novillo  <dnovillo@redhat.com>
522
523         * opts.c (decode_options): Don't run PRE at -Os.
524
525 2004-10-28  Richard Henderson  <rth@redhat.com>
526
527         * config/alpha/alpha.md (movqicc_internal): Allow exactly one
528         zero in the conditional.
529         (movhicc_internal, movsicc_internal, movdicc_internal): Likewise.
530
531 2004-10-28  Richard Henderson  <rth@redhat.com>
532
533         * cse.c (memory_extend_rtx): Remove.
534         (cse_main): Don't set it.
535         (cse_insn): Use a local buffer instead.
536
537 2004-10-28  Andreas Krebbel  <krebbel1@de.ibm.com>
538
539         * profile.c (branch_prob): Call to init_edge_profiler added.
540         * rtl-profile.c (rtl_init_edge_profiler): New function.
541         (rtl_gen_edge_profiler): Replaced call to insert_insn_on_edge with
542         call to safe_insert_insn_on_edge.
543         (rtl_profile_hooks): rtl_init_edge_profiler added.
544         * tree-profile.c (tree_init_edge_profiler): New function.
545         (tree_profile_hooks): tree_init_edge_profiler added.
546         * value-prof.h (profile_hooks) init_edge_profiler prototype added.
547
548 2004-10-28  Nick Clifton  <nickc@redhat.com>
549
550         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Use
551         emit_jump_insn() to generate the return instruction.
552
553 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
554
555         * tree-phinodes.c: Remove trailing whitespace.
556
557 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
558
559         * tree-ssa-loop-ivopts.c: Fix a comment typo.
560         * doc/invoke.texi: Fix a typo.
561
562 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
563
564         * Makefile.in (OBJS-common): Remove duplicates.
565
566 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
567
568         * lambda-code.c (nestify_update_pending_stmts): Remove.
569         (perfect_nestify): Use flush_pending_stmts instead of
570         nestify_update_pending_stmts.
571         * tree-cfg.c (tree_make_forwarder_block): Use
572         flush_pending_stmts.
573         * tree-flow.h: Add a prototype for flush_pending_stmts.
574         * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
575         Use flush_pending_stmts.
576         (lv_update_pending_stmts): Remove.
577         (tree_ssa_loop_version): Use flush_pending_stmts instead of
578         lv_update_pending_stmts.
579         * tree-ssa.c (flush_pending_stmts): New.
580
581 2004-10-28  Ulrich Weigand  <uweigand@de.ibm.com>
582
583         PR target/15286
584         * final.c (alter_subreg): Compute correct offset to use with
585         paradoxical SUBREGs of memory operands.
586         * recog.c (general_operand): Allow paradoxical SUBREGs of
587         memory operands after reload.
588         * simplify-rtx.c (simplify_gen_subreg): Fail if simplify_subreg
589         has failed when passed a hard register.
590
591 2004-10-28  Aldy Hernandez  <aldyh@redhat.com>
592
593         * function.c (assign_parm_setup_block): Handle parallels correctly.
594
595 2004-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
596
597         * final.c (shorten_branches): Initialize flags structure.
598
599 2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>
600
601         * tree.c (int_cst_node, int_cst_hash_table): New variables.
602         (init_ttree): Initialize them.
603         (int_cst_hash_hash, int_cst_hash_eq): New hashing functions.
604         (build_int_cst_wide): Use hash table for oversized integers.
605
606 2004-10-28  Nick Clifton  <nickc@redhat.com>
607
608         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Define
609         begin_label.
610
611 2004-10-27  Richard Henderson  <rth@redhat.com>
612
613         PR middle-end/18163
614         * expr.c (emit_group_load): Don't go force temporary for memory
615         or concat source.
616         (emit_group_store): Similarly.
617
618 2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>
619
620         PR other/18186
621         * common.opt (--param): Fix spelling of parameter.
622
623 2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>
624
625         PR tree-opt/17529
626         * tree-cfg.c (remove_useless_stmts_1) <case SWITCH_EXPR>:
627         Don't fold statement.
628         <case ASM_EXPR>: Fold the statement.
629
630 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
631
632         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
633         <COND_EXPR>: Use EDGE_COUNT instead of GOTO_DESTINATION.
634
635 2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>
636
637         * doc/contrib.texi, doc/cpp.texi, doc/cppopts.texi,
638         doc/extend.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
639         doc/libgcc.texi, doc/md.texi, doc/passes.texi,
640         doc/sourcebuild.texi, doc/tm.texi: Improve Texinfo formatting.
641
642 2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>
643
644         * doc/c-tree.texi, doc/cpp.texi, doc/implement-c.texi,
645         doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/tm.texi: Put
646         punctuation outside quotes.
647
648 2004-10-27  David Mosberger  <davidm@hpl.hp.com>
649             James E Wilson  <wilson@specifixinc.com>
650
651         PR target/13158
652         * config/ia64/ia64.c (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on
653         sibcall alloc instruction.
654         (process_set): Handle sibcall alloc instruction.
655
656 2004-10-27  Geoffrey Keating  <geoffk@apple.com>
657
658         * config/rs6000/rs6000.c (rs6000_attribute_table): Add
659         SUBTARGET_ATTRIBUTE_TABLE.
660         * config/darwin.h (ASM_WEAKEN_DECL): Handle weak_import.
661         (SUBTARGET_ATTRIBUTE_TABLE): Define.
662         * config/darwin.c (darwin_handle_weak_import_attribute): New.
663         (HAVE_DEAD_STRIP): Delete.
664         (no_dead_strip): Don't test HAVE_DEAD_STRIP.
665         * config/darwin-protos.h (darwin_handle_weak_import_attribute):
666         Prototype.
667
668         * doc/tm.texi (USE_SELECT_SECTION_FOR_FUNCTIONS): Document.
669
670         * config/darwin.h (GTHREAD_USE_WEAK): Define.
671
672 2004-10-28  Ben Elliston  <bje@au.ibm.com>
673
674         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): New.
675         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Likewise.
676         * params.h (SRA_MAX_STRUCTURE_SIZE): New.
677         (SRA_FIELD_STRUCTURE_RATIO): Likewise.
678         * tree-sra.c: Include "params.h".
679         (decide_block_copy): Use new parameters.
680         * doc/invoke.texi (Optimize Options): Document new SRA pass
681         parameters sra-max-structure-size and sra-field-structure-ratio.
682
683 2004-10-27  Nicolas Pitre <nico@cam.org>
684
685         * config/arm/ieee754-df.S (floatdidf): Fix regression with big values.
686
687 2004-10-27  Zdenek Dvorak  <dvorakz@suse.cz>
688
689         PR tree-optimization/18048
690         * fold-const.c (try_move_mult_to_index): New function.
691         (fold): Use try_move_mult_to_index.
692         * tree-ssa-loop-ivopts.c (try_add_cand_for): Prefer common candidates.
693         * tree-ssa-loop-niter.c (number_of_iterations_cond): Produce
694         an all-ones unsigned constant without extra bits.
695         * tree.c (build_low_bits_mask): New function.
696         * tree.h (build_low_bits_mask): Declare.
697
698 2004-10-27  David Edelsohn  <edelsohn@gnu.org>
699
700         PR target/17956
701         * config/rs6000/rs6000.md (maxsf3): Add !flag_trapping_math to
702         final condition.
703         (minsf3): Same.
704         (maxdf3): Same.
705         (mindf3): Same.
706
707 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
708
709         * tree-cfg.c (thread_jumps): Speed up by reordering the two
710         conditions for entering basic blocks into worklist.
711
712 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
713
714         * tree-cfg.c (thread_jumps): Speed up by pretending to have
715         ENTRY_BLOCK_PTR in worklist.
716
717 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
718
719         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
720         <GOTO_EXPR>: Don't let an explicit GOTO_EXPR slip through.
721
722 2004-10-27  Daniel Berlin <dberlin@dberlin.org>
723
724         Fix PR tree-optimization/17133
725
726         * tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
727         def kill operand.
728
729         * tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT.
730         (get_v_must_def_result_ptr): Modify for new structure of
731         v_must_defs array.
732         (get_v_must_def_kill_ptr): New.
733         (op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs.
734         (op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT.
735         (op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT.
736         (op_iter_init): Initialize new mustu members.
737         (op_iter_next_mustdef): New function.
738         (op_iter_init_mustdef): Ditto.
739
740         * tree-flow.h (rewrite_def_def_chains): New function.
741
742         * tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands.
743         (ssa_mark_def_sites): Ditto.
744         (rewrite_stmt): Ditto.
745         (ssa_rewrite_stmt): Ditto.
746         (rewrite_blocks): Factor out from rewrite_into_ssa.
747         (mark_def_block_sites): Ditto.
748         (rewrite_def_def_chains): New function, just rewrites def-def
749         chains without phi node insertion.
750
751         * tree-pass.h (TODO_fix_def_def_chains): New todo flag.
752
753         * tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains.
754
755         * tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that
756         they include the rhs now.
757
758         * tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became
759         V_MUST_DEF_RESULT.
760
761         * tree-ssa-dce.c (mark_operand_necessary): Add phionly argument.
762         Update callers.
763         (mark_really_necessary_kill_operand_phis): New function.
764         (perform_tree_ssa_dce): Call it.
765         (pass_dce): Add TODO_fix_def_def_chains.
766         (pass_cd_dce): Ditto.
767
768         * tree-ssa-loop-im.c (determine_max_movement): Look at kills as
769         well.
770         (rewrite_mem_refs): Ditto.
771
772         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills
773         as well.
774
775         * tree-ssa-operands.c (allocate_v_may_def_optype):
776         v_may_def_operand_type_t became v_def_use_operand_type_t.
777         (allocate_v_must_def_optype) Ditto.
778         (finalize_ssa_v_must_defs): Update for new operand type, as well
779         as setting the use portion as well.
780         (copy_virtual_operands): Copy the kill operand as well.
781         (create_ssa_artficial_load_stmt): V_MUST_DEF_OP became
782         V_MUST_DEF_RESULT.
783
784         * tree-ssa-operands.h (v_may_def_operand_type): Renamed to
785         v_def_use_operand_type.
786         (v_must_def_optype_d): Use v_def_use_operand_type.
787         (V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_*
788         (V_MUST_DEF_KILL_*): New macros.
789         (struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i
790         members.
791         Rename existing must_i and num_v_must members to mustd_i and
792         num_v_mustd.
793         (SSA_OP_VMUSTDEFKILL): New flag.
794         (SSA_OP_VIRTUAL_KILLS): New flag.
795         (SSA_OP_ALL_OPERANDS): Add in SSA_OP_ALL_KILLS.
796         (SSA_OP_ALL_KILLS): New flag.
797         (FOR_EACH_SSA_MUSTDEF_OPERAND): New macro.
798
799         * tree-ssa.c (verify_ssa): Verify virtual kills as well.
800
801         * tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP
802         became V_MUST_DEF_RESULT.
803         (rename_variables_in_bb): Rename kill pointer as well.
804
805         * tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the
806         immediate uses.
807
808 2004-10-27  Richard Sandiford  <rsandifo@redhat.com>
809
810         * dbxout.c (dbxout_source_line): Move declaration of begin_label to
811         the block that needs it.
812
813 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
814
815         * dbxout.c (dbxout_finish_complex_stabs): Mark 'line' variable
816         ATTRIBUTE_UNUSED.
817
818 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
819
820         * c-lex.c (cb_def_pragma): Clean up code for making location
821         palatable to diagnostic.c.
822
823 2004-10-27  Steven Bosscher  <stevenb@suse.de>
824
825         PR tree-optimization/17757
826         * tree-phinodes.c (remove_phi_arg_num): Don't remove PHIs
827         without any PHI arguments left.  Make sure the argument that
828         we're supposed to remove exists at all.
829
830 2004-10-27  Paul Brook  <paul@codesourcery.com>
831
832         * configure.ac: Don't test for [build] __cxa_atexit when building a
833         cross compiler.
834         * configure: Regenerate.
835
836 2004-10-27  Paul Brook  <paul@codeosurcery.com>
837
838         * configure.ac: Use build_exeext not host_exeext when lookin for
839         target tools.
840         * configure: Regenerate.
841
842 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
843
844         * config/s390/s390.md ("*subdf3_cc"): Replaced plus by minus.
845
846 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
847             patch originally created by Kelley Cook  <kcook@gcc.gnu.org>
848
849         PR middle-end/14684
850         * opts.c (OPT_fprofile_generate): Default to -funroll-loops
851         to match -fprofile-use.
852
853 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
854
855         * config/rs6000/rs6000.c: Fix a comment typo.
856
857 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
858
859         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Increment line
860         counter.
861
862 2004-10-27  Andreas Schwab  <schwab@suse.de>
863
864         * varasm.c (default_stabs_asm_out_destructor): Mark symbol as
865         unused.
866         (default_stabs_asm_out_constructor): Likewise.
867
868 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
869
870         * builtins.c (fold_builtin_unordered_cmp): Always bring both
871         operands to the same type.
872
873 2004-10-26  James E Wilson  <wilson@specifixinc.com>
874
875         PR target/18010
876         * emit-rtl.c (emit_copy_of_insn_after): Copy RTX_FRAME_RELATED_P.
877
878 2004-10-26  Zack Weinberg  <zack@codesourcery.com>
879
880         * dbxout.c: Include obstack.h.
881         (ASM_STABS_OP): Take XCOFF_DEBUGGING_INFO into account in
882         default definition.
883         (ASM_STABD_OP, NO_DBX_MAIN_SOURCE_DIRECTORY, DBX_CONTIN_CHAR):
884         Default-define here.
885         (DBX_CONTIN_LENGTH): Move definition with others.
886         (DBX_FINISH_STABS): New target macro.
887         (current_sym_code, current_sym_value, current_sym_addr)
888         (current_sym_nchars, CHARS, dbxout_continue)
889         (print_int_cst_octal, print_octal, print_wide_int)
890         (dbxout_prepare_symbol, dbxout_finish_symbol): Delete.
891         (stabstr_ob, stabstr_last_contin_point): New variables.
892         (NUMBER_FMT_LOOP): New improper macro.
893         (dbxout_int, dbxout_stab_value_zero, dbxout_stab_value_label)
894         (dbxout_stab_value_label_diff, dbxout_stab_value_internal_label)
895         (dbxout_stab_value_internal_label_diff, dbxout_stabd)
896         (dbxout_begin_stabn, dbxout_begin_stabn_sline)
897         (dbxout_begin_simple_stabs, dbxout_begin_simple_stabs_desc)
898         (dbxout_begin_complex_stabs, dbxout_finish_complex_stabs)
899         (stabstr_C, stabstr_S, stabstr_I, stabstr_D, stabstr_U, stabstr_O)
900         (stabstr_continue, DECL_ACCESSIBILITY_CHAR)
901         New functions and/or proper function-like macros.
902         (CONTIN): Use stabstr_continue, unconditionally.
903         (get_lang_number): Define unconditionally, with ATTRIBUTE_UNUSED.
904         (dbxout_init): Initialize stabstr_ob.  Check
905         NO_DBX_MAIN_SOURCE_DIRECTORY.  Only write out the Ltext label
906         if it was used.  Use the new interfaces.
907         (dbxout_source_file): Remove file argument; always write to
908         asm_out_file.  Use the new interfaces.
909         (dbxout_type_method_1): Remove second argument which is always
910         DECL_ASSEMBLER_NAME of the first argument.  Use the new interfaces.
911         (dbxout_type_methods): Remove write-only variables.  Use the
912         new interfaces.
913         (dbxout_parms): Refactor to remove code duplicated in each of
914         several successive if-else-if blocks.  Use the new interfaces.
915         (dbxout_function_end, emit_bincl_stab, dbxout_end_source_file)
916         (dbxout_source_line, dbxout_finish, dbxout_type_index)
917         (dbxout_type_fields, dbxout_range_type, dbxout_type, dbxout_type_name)
918         (dbxout_class_name_qualifiers, dbxout_symbol, dbxout_symbol_location)
919         (dbxout_symbol_name, dbxout_reg_parms, dbxout_args)
920         (dbx_output_lbrac, dbx_output_rbrac, dbxout_block):
921         Use the new interfaces.
922         * Makefile.in (dbxout.o): Update dependencies.
923
924         * defaults.h: Don't define ASM_STABD_OP.
925         * output.h: Prototype new dbxout_* interfaces.
926         * system.h: Poison DBX_OUTPUT_GCC_MARKER and DBX_FINISH_SYMBOL.
927         * varasm.c: Don't define ASM_STABS_OP.
928         (default_stabs_asm_out_constructor, default_stabs_asm_out_destructor):
929         Use the new dbxout.c interfaces.  Call sorry if neither
930         DBX_DEBUGGING_INFO nor XCOFF_DEBUGGING_INFO is defined.
931
932         * xcoffout.h: Don't define ASM_STABS_OP.
933         (DBX_FINISH_SYMBOL): Rewrite and rename DBX_FINISH_STABS.
934         (DBX_OUTPUT_MAIN_SOURCE_DIRECTORY, DBX_OUTPUT_GCC_MARKER): Delete.
935         (NO_DBX_MAIN_SOURCE_DIRECTORY, NO_DBX_GCC_MARKER): Define.
936         (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Change bare block to
937         do { ... } while (0) idiom.
938
939         * config/alpha/alpha.c (num_source_filenames): Export.
940         * config/alpha/alpha.h (num_source_filenames): Declare.
941         (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
942         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
943         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
944         Always use .debugsym.  Update commentary.
945         * config/mips/mips.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
946         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
947         * config/rs6000/linux64.h (DBX_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC):
948         Use new interfaces.
949         * config/rs6000/rs6000.c: If TARGET_MACHO, include gstab.h.
950         (macho_branch_islands): Use new interfaces.
951
952         * doc/tm.texi: Update.
953
954 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
955
956         * expr.c (emit_group_store): Do not treat floats as BLKmode.
957         (emit_group_load): Same.
958
959 2004-10-26  Joseph S. Myers  <jsm@polyomino.org.uk>
960
961         * c-parse.in (datadef): Use pedwarn rather than error and warning
962         for diagnostic in case of no declaration specifiers.
963
964 2004-10-26  Richard Sandiford  <rsandifo@redhat.com>
965
966         PR bootstrap/15747
967         * doc/install.texi (mips-sgi-irix5): Document that /bin/sh has been
968         reported to hang during bootstrap and that CONFIG_SHELL=/bin/ksh
969         can be used to work around this.
970
971 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
972
973         * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Adjust for e500
974         doubles.
975
976 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
977
978         * stmt.c (expand_case): Update a comment.
979
980 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
981
982         * stmt.c (expand_case): Put an assertion that index_expr is
983         never INTEGER_CST.  Don't special case for constant
984         index_expr.
985
986 2004-10-26  Andrew Pinski  <pinskia@physics.uc.edu>
987
988         PR 18162
989         * c-parse.in (designator): Finish with a semi-colon.
990
991 2004-10-26  Fariborz Jahanian <fjahanian@apple.com>
992
993         * config/rs6000/rs6000.md (andsi3_internal8): Set CR when splitting
994         into rotlsi3.
995
996 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
997
998         * stmt.c (expand_case): Remove code to handle SWITCH_EXPR with
999         a default case only.
1000
1001 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
1002
1003         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): Adjust for
1004         e500 doubles.
1005         (spe_build_register_parallel): New.
1006         (rs6000_spe_function_arg): Handle e500 doubles.
1007         (function_arg): Same.
1008         (spe_func_has_64bit_regs_p): Same.
1009         (rs6000_function_value): Same.
1010         (rs6000_libcall_value): Same.
1011         (legitimate_lo_sum_address_p): Return false for e500 doubles.
1012
1013         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): Adjust for e500
1014         doubles.
1015         (DATA_ALIGNMENT): Same.
1016         (CANNOT_CHANGE_MODE_CLASS): Same.
1017
1018 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
1019
1020         * expr.c (emit_group_load): Handle floats.
1021         (emit_group_store): Same.
1022
1023 2004-10-26  Nathan Sidwell  <nathan@codesourcery.com>
1024
1025         * c-lex.c (get_nonpadding_token): Remove.
1026         (c_lex_with_flags): Push timevar and eat padding here.  Improve
1027         stray token diagnostic.
1028         (lex_string): Replace logic with switch statement, eat padding
1029         token here.
1030
1031 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
1032
1033         PR 18149
1034         * config/i386/darwin.h (ASM_SPEC): Undef it before defining.
1035
1036 2004-10-25  Geoffrey Keating  <geoffk@apple.com>
1037
1038         * config/darwin.h (LINK_SPEC): Default weak_reference_mismatches
1039         to 'non-weak'.
1040         (MAKE_DECL_ONE_ONLY): Set DECL_WEAK.
1041         (ASM_MAKE_LABEL_LINKONCE): Delete.
1042         (ASM_WEAKEN_DECL): New.
1043         (ASM_DECLARE_OBJECT_NAME): Look at DECL_WEAK not DECL_ONE_ONLY.
1044         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1045         (TEXT_SECTION_ASM_OP): Add a tab.
1046         (DATA_SECTION_ASM_OP): Likewise.
1047         (SECTION_FUNCTION): Add a tab.  Use fputs.  Don't call
1048         data_section on every section change.
1049         (EXTRA_SECTIONS): Add a bunch of new extra sections.
1050         (EXTRA_SECTION_FUNCTIONS): Likewise.
1051         (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
1052         (JCR_SECTION_NAME): Define.
1053         (TARGET_SECTION_TYPE_FLAGS): Don't define.
1054         * config/darwin.c (darwin_encode_section_info): A symbol is defined
1055         in this file if it is not weak.
1056         (textcoal_section): Delete.
1057         (datacoal_section): Delete.
1058         (darwin_make_decl_one_only): Delete.
1059         (machopic_select_section): Handle functions.
1060         (darwin_asm_named_section): Add a tab.
1061         (darwin_section_type_flags): Delete.
1062         (darwin_unique_section): Delete contents.
1063         (darwin_emit_unwind_label): Add a tab.  Make decls weak if
1064         DECL_WEAK is set.
1065         * config/darwin-protos.h (darwin_section_type_flags): Delete.
1066         (darwin_make_decl_one_only): Delete.
1067         (text_coal_section): New.
1068         (text_unlikely_section): New.
1069         (text_unlikely_coal_section): New.
1070         (const_coal_section): New.
1071         (data_coal_section): New.
1072         (const_data_coal_section): New.
1073         * varasm.c (function_section): Honour
1074         USE_SELECT_SECTION_FOR_FUNCTIONS.
1075         * dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when
1076         TARGET_USES_WEAK_UNWIND_INFO is in effect.
1077         * dbxout.c (dbxout_source_file): Don't change sections while
1078         a function is being output.
1079
1080 2004-10-25  David Ayers  <d.ayers@inode.at>
1081
1082         * c-common.h: Remove RID_ID.
1083         * c-parse.in: Remove OBJECTNAME and references to RID_ID.
1084         (typespec_reserved_attr): Add rule for TYPENAME
1085         non_empty_protocolrefs.
1086         (yylexname): Remove special handling of RID_ID.
1087
1088 2004-10-25  James E Wilson  <wilson@specifixinc.com>
1089
1090         * doc/invoke.texi (-fcrossjumping): Not enabled at -O.
1091
1092 2004-10-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1093
1094         PR c/16667
1095         * c-parse.in (array_designator): New.
1096         (designator): Use it.
1097         (initelt): Only permit array_designator without '=', not ".foo".
1098
1099 2004-10-25  Kenneth Zadeck <zadeck@naturalbridge.com>
1100         * gcc/Makefile.in: removed ggc for cgraphunit.
1101         * gcc/cgraph.c.dump_cgraph_node: removed static var analysis.
1102         * gcc/cgraph.h: removed static var analysis data structures and calls.
1103         * gcc/cgraphunit.c:
1104         cgraph_mark_local_and_external_functions:changed name to
1105                 cgraph_mark_local_functions
1106         (print_order,convert_UIDs_in_bitmap,new_static_vars_info,
1107         cgraph_reset_static_var_maps,get_global_static_vars_info,
1108         get_global_statics_not_read,get_global_statics_not_written,searchc,
1109         cgraph_reduced_inorder,has_proper_scope_for_analysis,check_rhs_var,
1110         check_lhs_var,get_asm_expr_operands,process_call_for_static_vars,
1111         scan_for_static_refs,cgraph_characterize_statics_local,
1112         clear_static_vars_maps,cgraph_propagate_bits,cgraph_characterize_statics):
1113         removed.
1114         (cgraph_optimize,init_cgraph): removed calls to static vars analysis
1115         * gcc/tree-dfa.c find_referenced_vars: removed call to static vars
1116         analysis
1117         * gcc/tree-flow.h static_vars_info: removed
1118         * gcc/tree-ssa-operands.c (add_call_clobber_ops,add_call_read_ops):
1119         removed calls to static vars analysis.
1120         get_call_expr_operands: removed callee variable.
1121
1122 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
1123
1124         * cfg.c (unchecked_make_edge, redirect_edge_succ,
1125         redirect_edge_pred): Use VEC_safe_push instead of
1126         VEC_safe_insert.
1127         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
1128
1129 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
1130
1131         * cfgloopmanip.c (loopify): Take two more arguments true_edge
1132         and false_edge.
1133         * cfgloop.h: Adjust the corresponding prototype.
1134         * loop-unswitch.c (unswitch_loop): Adjust a call to loopify.
1135         * tree-ssa-loop-manip.c (tree_ssa_loop_version): Likewise.
1136
1137 2004-10-25  Jakub Jelinek  <jakub@redhat.com>
1138
1139         * dwarf2out.c (rtl_for_decl_location): Avoid segfault if
1140         DECL_INCOMING_RTL is NULL.
1141
1142 2004-10-25  Steven Bosscher  <stevenb@suse.de>
1143
1144         * timevar.def (TV_FIND_REFERENCED_VARS): New.
1145         * tree-dfa.c (pass_referenced_var): Use it.
1146
1147 2004-10-25  Roger Sayle  <roger@eyesopen.com>
1148             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1149
1150         * cse.c: Change encoding of quantity numbers to avoid undefined
1151         pointer arithmetic on qty_table.
1152         (REGNO_QTY_VALID_P): A quantity is now valid if it isn't negative.
1153         (get_cse_reg_info): Initialize reg_qty to a unique negative value.
1154         (new_basic_block): Assign "real" quantity numbers from zero.
1155         (delete_reg_equiv): Do nothing if quantity is invalid.  Reset the
1156         REG_QTY to its unique negative value.
1157         (merge_equiv_classes): Calculate need_rehash if quantity is valid.
1158         (cse_main): Don't include max_reg when determining max_qty.
1159         (cse_basic_block): Avoid subtracting a large offset from qty_table,
1160         which causes undefined C99 behaviour.  Only allocate needed memory.
1161
1162 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
1163
1164         * stmt.c (expand_case): Remove an obsolete comment.
1165
1166 2004-10-25  Andrew Pinski  <pinskia@physics.uc.edu>
1167
1168         PR middle-end/17407
1169         * c-decl.c (grokdeclarator) <case cdk_array>: Remove the call
1170         layout_type as it is already done by build_array_type.
1171         * tree.c (build_array_type): Layout the type even
1172
1173 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
1174
1175         * config/frv/linux.h (TARGET_C99_FUNCTIONS): Define to 0.
1176
1177 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
1178
1179         * config/frv/frv.md (movdi, movdf): Handle wide-constant splits
1180         with wider-than-32-bit HOST_WIDE_INTs.
1181
1182 2004-10-25  David Billinghurst <David.Billinghurst@riotinto.com>
1183
1184         * config/mips/mips.c(mips_output_filename): Remove unused
1185         array ltext_label_name
1186
1187 2004-10-24  Geoffrey Keating  <geoffk@geoffk.org>
1188
1189         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Define.
1190
1191 2004-10-25  Ben Elliston  <bje@au.ibm.com>
1192
1193         * cfgcleanup.c (outgoing_edges_match): Fix typo in dump output.
1194
1195 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
1196
1197         * predict.c (predict_loops): Call scev_finalize instead of
1198         scev_reset.
1199
1200 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
1201
1202         * config/dbxcoff.h, config/dbxelf.h, config/libgloss.h,
1203         config/openbsd.h, config/mips/r3900.h, config/pdp11/pdp11.md,
1204         config/sh/ushmedia.h, config/sparc/elf.h,
1205         config/sparc/sp64-elf.h: Update copyright.
1206
1207 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
1208
1209         * stmt.c (expand_case): Handle the default label outside of
1210         the for loop.  Remove code to handle a missing default label.
1211
1212 2004-10-23  Kazu Hirata  <kazu@cs.umass.edu>
1213
1214         * dbxout.c (dbxout_function_decl): Don't use
1215         DBX_OUTPUT_FUNCTION_END.
1216         * system.h: Poison DBX_OUTPUT_FUNCTION_END.
1217         * doc/tm.texi (DBX_OUTPUT_FUNCTION_END): Remove.
1218
1219 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
1220
1221         PR middle-end/17967
1222         * tree-cfg.c (remove_usless_stmts_cond):  Don't Fold statement.
1223
1224 2004-10-23  Daniel Berlin  <dberlin@dberlin.org>
1225
1226         * tree-ssa-dom.c (record_equality): Use loop depth to determine
1227         which way to record the equality as well.
1228         (loop_depth_of_name): New function.
1229
1230 2004-10-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
1231
1232         PR middle-end/17793
1233         * gimplify.c (gimplify_addr_expr) <VIEW_CONVERT_EXPR>: Look
1234         through the operand if it is a useless type conversion.
1235
1236 2004-10-23  Ben Elliston  <bje@au.ibm.com>
1237
1238         * cfg.c (remove_edge): Use VEC_unordered_remove.
1239         (redirect_edge_succ): Likewise.
1240         (redirect_edge_pred): Likewise.
1241         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
1242
1243 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1244
1245         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Don't access PTR
1246         beyond its end.
1247
1248 2004-10-22  Eric Christopher  <echristo@redhat.com>
1249
1250         * config/rs6000/rs6000.c (setup_incoming_varargs): Align DFmode
1251         saves.
1252
1253 2004-10-22  Aldy Hernandez  <aldyh@redhat.com>
1254
1255         * config/rs6000/spe.md (spe_extendsfdf2): New.
1256         (movdf_e500_double): New.
1257         (spe_truncdfsf2): New.
1258         (spe_absdf2): New.
1259         (spe_nabsdf2): New.
1260         (spe_negdf2): New.
1261         (sub_adddf3): New.
1262         (spe_subdf3): New.
1263         (spe_muldf3): New.
1264         (spe_floatsidf2): New.
1265         (spe_floatunssidf2): New.
1266         (fix_truncdfsi2): New.
1267         (spe_fixuns_truncdfsi2): New.
1268
1269         * config/rs6000/rs6000.md (truncdfsf2): Change to expander.
1270         (fpr_truncdfsf2): New.
1271         (negdf2): Change to expander.
1272         (fpr_negdf2): New.
1273         (fpr_nabsdf2): Name pattern.
1274         (adddf3): Change to expander.
1275         (fpr_adddf3): Nem.
1276         (subdf3): Change to expander.
1277         (fpr_subdf3): New.
1278         (muldf3): Change to expander.
1279         (fpr_muldf3): New.
1280         (divdf3): Change to expander.
1281         (fpr_divdf3): New.
1282         (movdf_softfloat32): Change !TARGET_FPRS to TARGET_E500_SINGLE.
1283         (cmpdf): Allow for TARGET_E500_DOUBLE.
1284
1285 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1286
1287         * c-semantics.c (re_push_stmt_list): Remove.
1288         * c-common.h: Remove the corresponding prototype.
1289
1290 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1291
1292         * stmt.c (asm_op_is_mem_input): Remove.
1293         * tree.h: Remove the corresponding prototype.
1294
1295 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1296
1297         * tree-gimple.c (is_gimple_constructor_elt): Remove.
1298         * tree-gimple.h: Remove the corresponding prototype.
1299
1300 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1301
1302         * varasm.c (get_pool_mode_for_function, get_pool_offset):
1303         Remove.
1304         * rtl.h: Remove the corresponding prototypes.
1305
1306 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1307
1308         * tree-cfg.c (thread_jumps_from_bb): Speed up by extracting
1309         edge information when we commit ourselves to threading a
1310         particular jump.
1311
1312 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1313
1314         * tree-cfg.c (thread_jumps): Speed up by putting basic blocks
1315         into worklist instead of their indexes.
1316
1317 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1318
1319         * alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
1320         final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
1321         lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
1322         pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
1323         tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
1324         tree-scalar-evolution.c, tree-ssa-dom.c,
1325         tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1326         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
1327         tree-vectorizer.c, vec.h: Fix comment formatting.
1328
1329 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1330
1331         * dwarf.h, gthr-dce.h, gthr-single.h, gthr-solaris.h, gthr.h,
1332         libfuncs.h, libgcc2.h, stab.def, tsystem.h: Update copyright.
1333
1334 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1335
1336         * config/ptx4.h, config/mcore/mcore-pe.h,
1337         config/rs6000/eabi.h, config/vax/elf.h: Update copyright.
1338
1339 2004-10-22  Peter Barada <peter@the-baradas.com>
1340
1341         * config/m68k/m68k.h (HARD_REGNO_RENAME_OK): New macro.
1342         * config/m68k/m68k.c (m68k_hard regno_rename_ok): Disallow
1343         renaming of non-live registers in interrupt functions.
1344         * config/m68k/m68k-protos.h (m68k_hard_regno_rename_ok): Add prototype.
1345
1346 2004-10-22  Zdenek Dvorak  <dvorakz@suse.cz>
1347
1348         * tree-ssa-loop-niter.c (inverse): Count in HOST_WIDE_INT if possible.
1349         Use integer for loop counter.
1350         (num_ending_zeros): New function.
1351         (number_of_iterations_cond): Use num_ending_zeros.
1352
1353 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
1354
1355         * config.gcc: Add support for --enable-e500_double.
1356
1357         * config/rs6000/e500-double.h: New file.
1358
1359         * config/rs6000/rs6000.h: Define TARGET_E500_SINGLE and
1360         TARGET_E500_DOUBLE.
1361
1362         * config/rs6000/eabi.h: Define TARGET_E500_SINGLE and
1363         TARGET_E500_DOUBLE.
1364
1365         * config/rs6000/linuxspe.h: Same.
1366
1367         * doc/invoke.texi (Option Summary): Document new options for
1368         mfloat-gprs.
1369         (RS/6000 and PowerPC Options): Same.
1370
1371         * config/rs6000/rs6000.c (rs6000_parse_float_gprs_option): New
1372         function.
1373         (rs6000_override_options): Use it.  Use
1374         SUB3TARGET_OVERRIDE_OPTIONS.
1375         Add 8548 to processor_target_table.
1376         (rs6000_legitimate_address): Handle e500 doubles.
1377         (rs6000_legitimize_address): Same.
1378         (rs6000_legitimize_reload_address): Same.
1379         (rs6000_hard_regno_nregs): Same.
1380         (spe_func_has_64bit_regs_p): Same.
1381         (emit_frame_save): Same.
1382         (gen_frame_mem_offset): Same.
1383         (rs6000_dwarf_register_span): Same.
1384         (rs6000_generate_compare): Same.
1385         (easy_fp_constant): Same.
1386         (legitimate_offset_address_p): Same.
1387
1388         * config/rs6000/spe.md: (cmdfeq_gpr): New.
1389         (tstdfeq_gpr): New.
1390         (cmpdfgt_gpr): New.
1391         (tstdfgt_gpr): New.
1392         (tstdfgt_gpr): New.
1393         (cmpdflt_gpr): New.
1394         (tstdflt_gpr): New.
1395         Add new constants.
1396
1397 2004-10-21  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
1398
1399         * config/arc/lib1funcs.asm (___umulsidi3): Fix typo.
1400
1401 2004-10-21  Zack Weinberg  <zack@codesourcery.com>
1402
1403         * dbxout.c: Remove unnecessary #undefs.
1404         (GDB_INV_REF_REGPARM_STABS_LETTER, DBX_MEMPARM_STABS_LETTER)
1405         (FILE_NAME_JOINER, STABS_GCC_MARKER): Remove; fold sole
1406         definition into use sites.
1407         (cwd): Make local to dbxout_init.
1408         (dbxout_init): Restructure cwd-using logic for clarity.  Use
1409         IS_DIR_SEPARATOR.
1410         * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Definition of
1411         STABS_GCC_MARKER folded in here.
1412         * system.h: Poison now-unused macros.
1413         * doc/tm.texi: Remove documentation of now-unused macros.
1414
1415 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1416
1417         PR c/17538
1418         * c-opts.c (push_command_line_include): Use the current file
1419         name instead of the main one.
1420
1421 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1422
1423         PR objc/17923
1424         * tree.c (staticp): A CONST_DECL has static storage if either
1425         TREE_STATIC or DECL_EXTERNAL is set.
1426         * c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
1427         have null names.
1428
1429 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1430
1431         * expr.c (store_expr): Remove dont_store_target.
1432
1433 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1434
1435         * tree-cfg.c (thread_jumps): Speed up by using a worklist.
1436
1437 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1438
1439         * tree-cfg.c (thread_jumps): Move a part of it to ...
1440         (thread_jumps_from_bb): ... here.
1441
1442 2004-10-21  David Edelsohn  <edelsohn@gnu.org>
1443
1444         * dbxout.c (DBX_FINISH_SYMBOL): Add asm_out_file argument.
1445         * xcoffout.h (DBX_FINISH_SYMBOL): Change asmfile to (ASMFILE).
1446
1447 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1448
1449         * expr.c (store_expr): Clean up by renaming want_value to
1450         call_param_p.
1451
1452 2004-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1453
1454         * config/sh/linux-unwind.h (sh_fallback_frame_state): Don't
1455         fixup pc here.
1456
1457 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
1458
1459         PR 18004.
1460         * expmed.c (store_bit_field): Pass original 'value' before
1461         recursing.
1462
1463 2004-10-21  Nicolas Pitre <nico@cam.org>
1464
1465         * config/arm/ieee754-sf.S: Large speed improvements. Fix NAN handling.
1466         * config/arm/ieee754-df.S: Ditto.
1467
1468 2004-10-20  Zack Weinberg  <zack@codesourcery.com>
1469
1470         * dbxout.c (asmfile): Delete.  All uses changed to asm_out_file.
1471         (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_LINES_FUNCTION_RELATIVE):
1472         Default to 0.
1473         (dbxout_source_line): Use DBX_OUTPUT_SOURCE_LINE when defined.
1474         When it is not, but DBX_LINES_FUNCTION_RELATIVE is true, emit
1475         an internal label and an N_SLINE .stabn whose value is the
1476         difference between that label and the function entry label.
1477         (dbxout_finish): If DBX_OUTPUT_MAIN_SOURCE_FILE_END is not defined,
1478         but DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END is, emit a
1479         label and an N_SO stab with an empty string referring to it.
1480         (dbx_output_lbrac, dbx_output_rbrac): Use if statement instead
1481         of #ifdef directive to test DBX_BLOCKS_FUNCTION_RELATIVE.
1482         (dbxout_type_methods, dbxout_symbol): Remove #if 0 block.
1483         (dbxout_prepare_symbol): Remove #ifdef WINNING_GDB block, this
1484         macro is never defined.
1485         * sdbout.c (sdbout_source_line_counter): Delete.
1486         (PUT_SDB_SRC_FILE): Delete.  Uses replaced with sole definition.
1487         (sdbout_source_line): Use SDB_OUTPUT_SOURCE_LINE, which takes
1488         only two arguments.
1489         * xcoffout.c (ASM_OUTPUT_SOURCE_LINE): Rename ASM_OUTPUT_LINE.
1490
1491         * config/dbxcoff.h, config/dbxelf.h: Remove unncessary #undefs.
1492         * config/c4x/c4x.h, config/pa/pa.h: Remove unnecessary macro
1493         definitions (identical to default).
1494         * config/darwin.h, config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
1495         * config/h8300/coff.h, config/pa/som.h, config/sh/elf.h:
1496         Define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END, not
1497         DBX_OUTPUT_MAIN_SOURCE_FILE_END.
1498         * config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
1499         * config/mcore/mcore-pe.h, config/pa/som.h, config/sh/elf.h:
1500         Define DBX_LINES_FUNCTION_RELATIVE, not ASM_OUTPUT_SOURCE_LINE.
1501         * config/alpha/alpha-protos.h: Don't prototype alpha_output_lineno.
1502         * config/alpha/alpha.c: Move declaration of num_source_filenames up.
1503         (alpha_start_function): Use SDB_OUTPUT_SOURCE_LINE.
1504         (sym_lineno): Delete.
1505         (alpha_output_filename): Do not emit N_SOL stabs here.  Remove
1506         now-unused variable.
1507         (alpha_output_lineno): Delete.
1508         * config/mips/mips-protos.h: Don't prototype mips_output_lineno.
1509         * config/mips/mips.c (mips_output_filename): Don't use
1510         ASM_OUTPUT_FILENAME. Don't emit N_SOL stabs here.
1511         (mips_output_lineno): Delete.
1512         (mips_output_function_prologue: Use SDB_OUTPUT_SOURCE_LINE.
1513         * config/alpha/alpha.h: Define DBX_OUTPUT_SOURCE_LINE and
1514         SDB_OUTPUT_SOURCE_LINE, not ASM_OUTPUT_SOURCE_LINE.
1515         * config/mips/mips.h: Likewise.  Don't define ASM_OUTPUT_FILENAME.
1516         * config/mips/sdb.h: Use SDB_OUTPUT_SOURCE_LINE.
1517         * config/avr/avr.h: Don't define ASM_OUTPUT_SOURCE_LINE.
1518         * config/mmix/mmix.h: Likewise.
1519         * config/mmix/mmix.c (mmix_asm_output_source_line): Delete.
1520         * config/mmix/mmix-protos.h: Don't prototype it.
1521         * config/alpha/unicosmk.h: Also #undef PREFERRED_DEBUGGING_TYPE;
1522         no need to #undef ASM_OUTPUT_SOURCE_LINE.
1523         * config/arm/aout.h: Remove RISCiX-specific definition of
1524         DBX_OUTPUT_MAIN_SOURCE_FILENAME.
1525         * config/m32r/m32r.h: Define DBX_OUTPUT_SOURCE_LINE, not
1526         ASM_OUTPUT_SOURCE_LINE.
1527         * config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Rename to
1528         DBX_OUTPUT_SOURCE_LINE.  Don't use current_function_func_begin_label.
1529         * config/vax/elf.h: No need to define DBX_OUTPUT_FUNCTION_END.
1530
1531         * doc/tm.texi: Update.
1532
1533 2004-10-20  Richard Henderson  <rth@redhat.com>
1534
1535         * tree-sra.c (instantiate_element): Copy DECL_IGNORED_P also.
1536
1537 2004-10-20  Kelley Cook  <kcook@gcc.gnu.org>
1538
1539         * configure.ac: Revert my previous patch.
1540         * configure: Regenerate.
1541
1542 2004-10-20  Ben Elliston  <bje@au.ibm.com>
1543
1544         * config/rs6000/rs6000.c
1545         (rs6000_va_start): Use build_va_arg_indirect_ref.
1546         (rs6000_gimplify_va_arg): Likewise.
1547
1548 2004-10-20  Bryce McKinlay  <mckinlay@redhat.com>
1549
1550         PR java/15575
1551         * configure.ac: Declare AM_LANGINFO_CODESET.
1552         * aclocal.m4: Define AM_LANGINFO_CODESET.
1553         * configure, config.in: Rebuilt.
1554
1555 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
1556
1557         * expr.c (store_expr): Remove code that is run when
1558         want_value & 1 is nonzero.
1559
1560 2004-10-20  Mark Mitchell  <mark@codesourcery.com>
1561
1562         * gthr-posix.h (__gthread_active_p): Use __extension__ around cast
1563         from function pointer to void *.
1564
1565 2004-10-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1566
1567         PR target/18032
1568         * config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before
1569         the frame pointer adjustment when exception handling is enabled.
1570
1571 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
1572
1573         * stor-layout.c: Fix a comment typo.
1574
1575 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
1576
1577         * expr.c (store_field): Remove two arguments value_mode and
1578         unsignedp.
1579         (expand_assignment, store_constructor_field,
1580         expand_expr_real_1): Adjust calls to store_field.
1581
1582 2004-10-18  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>
1583
1584         * config/arc/lib1funcs.asm (___umulsidi3): Correct usage of flags.
1585
1586         PR target/17317
1587         * config/arc/arc.h (REGNO_OK_FOR_BASE_P,REGNO_OK_FOR_INDEX_P,
1588         REG_OK_FOR_BASE, REG_OK_FOR_INDEX): Consider blink(r31) as a valid
1589         base and index register for loads.
1590
1591         * config/arc/t-arc: Fix multilib handling.
1592
1593 2004-10-20  Hans-Peter Nilsson  <hp@bitrange.com>
1594
1595         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
1596         don't inspect BLOCK_FOR_INSN for barriers.
1597         * emit-rtl.c (emit_barrier_before): Revert last change.
1598         (emit_barrier_after, emit_barrier): Ditto.
1599
1600         * doc/extend.texi (Extended Asm): Warn and provide example
1601         solution for using a call-clobbered asm register.
1602         (Local Reg Vars): Similar.  Cross-reference example.
1603
1604 2004-10-19  Andrew Pinski  <pinskia@physics.uc.edu>
1605
1606         * tree-cfg.c (group_case_labels): Look at the second to last
1607         case statement for combing with the default case.
1608
1609 2004-10-19  Richard Hendeson  <rth@redhat.com>
1610
1611         PR 17962
1612         * stor-layout.c (layout_type): Set TYPE_ALIGN for vectors.
1613
1614 2004-10-19  Richard Hendeson  <rth@redhat.com>
1615
1616         * builtins.c (expand_builtin_memmove): If fold_builtin_memmove
1617         succeeds, only expand the result.
1618
1619 2004-10-19  Richard Hendeson  <rth@redhat.com>
1620
1621         PR middle-end/17885
1622         * tree.c (recompute_tree_invarant_for_addr_expr): Always poll address
1623         of INDIRECT_REF.
1624
1625 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
1626
1627         * tree-cfg.c (thread_jumps): Use a do-while loop instead of a
1628         loop with goto.
1629
1630 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
1631
1632         * expr.c (expand_assignment): Remove the last argument.
1633         Change the return type to void.
1634         * expr.h: Update the prototype of expand_assignment.
1635         * function.c (assign_parm_setup_reg): Update a call to
1636         expand_assignment.
1637         * stmt.c (expand_asm_expr): Likewise.
1638
1639 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
1640
1641         * expr.c (expand_expr_real_1) <MODIFY_EXPR>: Remove
1642         unnecessary assignments to temp.  Return const0_rtx.
1643
1644 2004-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1645
1646         * config/sh/sh.c (sh5_schedule_saves): Fix typo.
1647
1648 2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>
1649
1650         * configure.ac (powerpc-*-darwin*): Require assembler to support
1651         .machine directive.
1652         * configure: Regenerate.
1653
1654 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1655
1656         * reload1.c (ior_hard_reg_set): Remove.
1657         (finish_spills): Use IOR_HARD_REG_SET instead of
1658         ior_hard_reg_set.
1659
1660 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1661
1662         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Speed up by shifting
1663         the currently visited word to right.
1664
1665 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1666
1667         PR middle-end/18045
1668         * expmed.c (expand_smod_pow2): Handle modes whose size
1669         is greater than that of HOST_WIDE_INT.
1670
1671 2004-10-18  Ziemowit Laski  <zlaski@apple.com>
1672
1673         * c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.
1674
1675 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1676             Roger Sayle  <roger@eyesopen.com>
1677
1678         PR middle-end/17813
1679         * dojump.c (discard_pending_stack_adjust): New function.
1680         (clear_pending_stack_adjust): Call it.
1681         * expr.h (discard_pending_stack_adjust): Declare it.
1682         * explow.c (emit_stack_save): Emit pending stack adjustments
1683         before saving the stack pointer.
1684         (emit_stack_restore): Discard pending stack adjustments before
1685         restoring the stack pointer.
1686
1687 2004-10-18  Richard Henderson  <rth@redhat.com>
1688
1689         * c-common.c (handle_mode_attribute): Allow scalar->vector
1690         type changes yet.
1691
1692 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1693
1694         * expr.c (expand_expr_real_1) [MODIFY_EXPR]: Don't request a
1695         value to expand_assignment.
1696
1697 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1698
1699         * tree-cfg.c (cleanup_tree_cfg): Don't iterate on
1700         thread_jumps.
1701         (thread_jumps): Iterate until no new forwarder block arises.
1702
1703 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1704
1705         * tree-cfg.c (tree_forwarder_block_p): Don't set forwardable.
1706         (thread_jumps): Use forwardable as cache of
1707         tree_forwarder_block_p throughout the function.
1708
1709 2004-10-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1710
1711         * cfg.c (dump_flow_info): Remove redundant dump of reg life info.
1712
1713 2004-10-18  Andrew Pinski  <pinskia@physics.uc.edu>
1714
1715         PR middle-end/15014
1716         PR middle-end/16973
1717         * tree-cfg.c (remove_bb): If we have a label expression in the
1718         basic block and the label we have taken the address, move the
1719         label expression to the basic block which is previous in the
1720         linked list.
1721         (tree_verify_flow_info): Fix printing out the label name of the
1722         problematic label expression.
1723
1724 2004-10-18  Pat Haugen  <pthaugen@us.ibm.com>
1725
1726         PR rtl-optimization/18002
1727         * simplify-rtx.c (mode_signbit_p): Externalize function...
1728         * rtl.h (mode_signbit_p): ... to here.
1729         * combine.c (simplify_shift_const): Recognize PLUS signbit as
1730         canonical form of XOR signbit and move to outer op.
1731
1732 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
1733
1734         * tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
1735         Update all callers.
1736         * tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
1737         Don't call fold_stmt more than once, use bsi_replace.
1738
1739 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
1740
1741         PR tree-optimization/17656
1742         * tree-ssa.c (replace_immediate_uses): When replacing a
1743         constant, if the call to fold_stmt produced a different
1744         statement, get an appropriate statement pointer by scanning
1745         STMT's basic block.
1746
1747 2004-10-18  Richard Henderson  <rth@redhat.com>
1748
1749         * pointer-set.c (hash1): Don't use libm functions in fallback case.
1750
1751 2004-10-18  H.J. Lu  <hongjiu.lu@intel.com>
1752
1753         PR bootstrap/17684
1754         * Makefile.in (clean): Remove libgcc_s$(SHLIB_EXT).1.stage?.
1755         (stage1-start): Remove and copy libunwind.a and
1756         libunwind*$(SHLIB_EXT) instead of libunwind*.
1757         (stage2-start): Likewise.
1758         (stage3-start): Likewise.
1759         (stage4-start): Likewise.
1760         (stageprofile-start): Likewise.
1761         (stagefeedback-start): Likewise.
1762
1763         * config/alpha/t-osf4 (SHLIB_LINK): Use a temporary file for
1764         the shared library to be created and don't remove the existing
1765         shared library.
1766         * config/arm/t-netbsd (SHLIB_LINK): Likewise.
1767         * config/i386/t-nwld (SHLIB_LINK): Likewise.
1768         * config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
1769         * config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
1770         * config/sh/t-linux (SHLIB_LINK): Likewise.
1771         * config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
1772         * config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
1773         * config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
1774         * config/t-slibgcc-sld (SHLIB_LINK): Likewise.
1775
1776         * mklibgcc.in (libgcc-stage-start): Also move "*${objext}s"
1777         files.
1778
1779 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1780
1781         * basic-block.h (reg_set_iterator): New.
1782         (EXECUTE_IF_SET_IN_REG_SET): Make it iterator style.
1783         (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
1784         (EXECUTE_IF_AND_IN_REG_SET): Likewise.
1785         * caller-save.c (save_call_clobbered_regs): Adjust to the new
1786         style.
1787         * cfgcleanup.c (thread_jump): Likewise.
1788         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
1789         * conflict.c (conflict_graph_compute): Likewise.
1790         * flow.c (verify_local_live_at_start, update_life_info,
1791         initialize_uninitialized_subregs, propagate_one_insn,
1792         init_propagate_block_info, free_propagate_block_info,
1793         propagate_block, dump_regset): Likewise.
1794         * global.c (global_conflicts): Likewise.
1795         * graph.c (start_bb): Likewise.
1796         * local-alloc.c (update_equiv_regs): Likewise.
1797         * loop.c (load_mems): Likewise.
1798         * reload1.c (compute_use_by_pseudos, order_regs_for_reload,
1799         find_reg, finish_spills): Likewise.
1800         * resource.c (mark_target_live_regs): Likewise.
1801         * sched-deps.c (sched_analyze_insn): Likewise.
1802         * sched-rgn.c (sched-rgn.c): Likewise.
1803         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
1804
1805 2004-10-18  Jakub Jelinek  <jakub@redhat.com>
1806
1807         * config/i386/i386.md (addqi_1_slp): Test for incdec_operand
1808         operand 1 instead of 2
1809
1810 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1811
1812         * loop-unroll.c: Fix comment typos.
1813
1814 2004-10-18  Revital Eres  <eres@il.ibm.com>
1815
1816         * Makefile.in (loop-unroll.o): Add VARRAY_H dependency.
1817         * loop-unroll.c: Include varray.h.
1818         (struct var_to_expand, struct opt_info): Rename split_ivs_info to
1819         opt_info and expand it to support variable expansion.
1820         (analyze_insns_in_loop): Rename analyze_ivs_to_split and
1821         expand it to support variable expansion.
1822         (pt_info_start_duplication): Rename si_info_start_duplication.
1823         (apply_opt_in_copies): Rename split_ivs_in_copies and add support
1824         to the variable expansion optimization.
1825         (free_opt_info): Rename free_si_info.
1826         (analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
1827         expand_var_during_unrolling, insert_var_expansion_initialization,
1828         combine_var_copies_in_loop_exit, release_var_copies,
1829         get_expansion): New functions.
1830         (peel_loop_completely, unroll_loop_constant_iterations,
1831         unroll_loop_runtime_iterations, peel_loop_simple,
1832         unroll_loop_stupid): Change uses of struct si_info
1833         to struct opt_info
1834         and add uses of fvariable-expansion-in-unroller flag.
1835         * params.def: Add parameter to restrict the number of expansions.
1836         * params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
1837         the number of expansions.
1838         * common.opt: (fvariable-expansion-in-unroller): New flag.
1839         * doc/invoke.texi: (fvariable-expansion-in-unroller): Document.
1840
1841 2004-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1842
1843         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1844         __GXX_MERGED_TYPEINFO_NAMES to 0.
1845
1846 2004-10-17  Hans-Peter Nilsson  <hp@bitrange.com>
1847
1848         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
1849         handle barriers in a bb by checking that it points to a NULL bb.
1850         * emit-rtl.c (emit_barrier_before): Set BLOCK_FOR_INSN to NULL.
1851         (emit_barrier_after, emit_barrier): Ditto.
1852
1853 2004-10-18  Joseph S. Myers  <jsm@polyomino.org.uk>
1854
1855         * doc/extend.texi (Attribute Syntax): Clarify details of
1856         attributes on parameters.
1857
1858 2004-10-17  Zdenek Dvorak  <dvorakz@suse.cz>
1859
1860         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of
1861         loop.
1862
1863 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1864
1865         Revert:
1866         2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1867
1868         * c-typeck.c (default_function_array_conversion): Always create
1869         &a[0] for array types.
1870         (build_unary_op): Do not fold &a[x] into a + x.
1871
1872 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1873
1874         PR middle-end/17925
1875         * cfgexpand.c (expand_gimple_cond_expr): Emit line notes for next basic
1876         block if there is a goto with a locus.
1877
1878 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
1879
1880         * config/elfos.h, config/gofast.h, config/interix.h,
1881         config/netbsd.h, config/svr3.h, config/vxworks.h,
1882         config/alpha/alpha-modes.def, config/alpha/alpha-protos.h,
1883         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1884         config/alpha/netbsd.h, config/arm/arm-modes.def,
1885         config/arm/unknown-elf.h, config/c4x/c4x-modes.def,
1886         config/cris/aout.h, config/frv/frv-modes.def,
1887         config/i386/beos-elf.h, config/i386/gas.h,
1888         config/i386/i386-coff.h, config/i386/i386-modes.def,
1889         config/i386/linux.h, config/i386/linux64.h,
1890         config/i386/mingw32.h, config/i386/netbsd-elf.h,
1891         config/i386/netbsd64.h, config/i386/sco5.h,
1892         config/i386/sol2.h, config/i386/uwin.h, config/i860/i860.md,
1893         config/ia64/ia64-modes.def, config/ia64/itanium1.md,
1894         config/ia64/itanium2.md, config/m68k/m68k-modes.def,
1895         config/mips/mips-modes.def, config/mips/sdb.h,
1896         config/mips/vr.h, config/mips/vxworks.h,
1897         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
1898         config/pa/pa32-linux.h, config/rs6000/40x.md,
1899         config/rs6000/7450.md, config/rs6000/8540.md,
1900         config/rs6000/linuxspe.h, config/rs6000/power4.md,
1901         config/rs6000/rs6000-modes.def, config/rs6000/rtems.h,
1902         config/rs6000/spe.h, config/s390/2064.md, config/s390/linux.h,
1903         config/s390/s390-modes.def, config/sh/elf.h,
1904         config/sh/sh-modes.def, config/sh/sh64.h,
1905         config/sparc/ultra1_2.md, config/sparc/ultra3.md,
1906         config/stormy16/stormy16.md, config/v850/v850-protos.h,
1907         config/vax/vax.md: Update copyright.
1908
1909 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
1910
1911         * expr.c (expand_expr_real_1): Remove an obsolete comment.
1912
1913 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1914
1915         * c-typeck.c (default_function_array_conversion): Always create
1916         &a[0] for array types.
1917         (build_unary_op): Do not fold &a[x] into a + x.
1918
1919 2004-10-17  Jakub Jelinek  <jakub@redhat.com>
1920
1921         * pointer-set.c (hash1): Use integer part of 2^64 / phi
1922         instead 2^32 / phi if long is 64-bit.
1923
1924 2004-10-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1925
1926         * c-common.h (enum rid): Remove RID_PTRBASE, RID_PTREXTENT and
1927         RID_PTRVALUE.
1928         * c-parse.in (PTR_VALUE, PTR_BASE, PTR_EXTENT): Remove %token
1929         declarations.
1930         (reswords): Remove __ptrbase, __ptrbase__, __ptrextent,
1931         __ptrextent__, __ptrvalue and __ptrvalue__.
1932         (rid_to_yy): Remove RID_PTRBASE, RID_PTREXTENT and RID_PTRVALUE
1933         entries.
1934
1935 2004-10-16  Dale Johannesen  <dalej@apple.com>
1936
1937         * c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.
1938
1939 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1940
1941         PR tree-optimization/17766
1942         * basic-block.h (enum dom_state): DOM_CONS_OK removed.
1943         (dom_info_available_p): Declare.
1944         * cfghooks.c (split_block, make_forwarder_block): Use
1945         dom_info_available_p.
1946         * dominance.c (compute_dom_fast_query, calculate_dominance_info,
1947         free_dominance_info, verify_dominators): Ditto.
1948         (dom_info_available_p): New function.
1949         * tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
1950         (thread_jumps): Use dom_info_available_p.
1951         * tree-complex.c (expand_complex_div_wide): Ditto.
1952         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1953
1954 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1955
1956         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field important_candidates.
1957         (find_best_candidate): Take also important candidates into account.
1958         (find_optimal_iv_set): Initialize important_candidates bitmap.
1959
1960 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1961
1962         PR tree-optimization/17560
1963         * predict.c (tree_estimate_probability): Mark irreducible
1964         loops.
1965
1966 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1967
1968         PR rtl-optimization/17723
1969         * cfgcleanup.c (merge_memattrs): Handle case when
1970         MEM_SIZE == NULL_RTX.
1971
1972 2004-10-15  Andrew Pinski  <pinskia@physics.uc.edu>
1973
1974         * toplev.c (dump_file_name): Change type to be const.
1975
1976 2004-10-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1977
1978         * c-typeck.c (build_compound_expr, build_c_cast): Don't try to use
1979         non_lvalue to stop something being a null pointer constant.
1980
1981 2004-10-15  Aldy Hernandez  <aldyh@redhat.com>
1982
1983         * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): FPRs are only
1984         available for TARGET_FPRS.
1985         (FUNCTION_VALUE_REGNO_P): Same.
1986
1987 2004-10-15  Geoffrey Keating  <geoffk@apple.com>
1988
1989         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1990         -maltivec in same style as other ISA options.
1991
1992 2004-10-15  Jon Grimm <jgrimm2@us.ibm.com>
1993
1994         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __powerpc__
1995         definition.
1996
1997 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
1998
1999         * bitmap.c, bitmap.h, builtin-attrs.def, cfglayout.h,
2000         collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
2001         gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
2002         genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
2003         gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
2004         gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
2005         lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
2006         predict.def, predict.h, protoize.c, reload.h, resource.h,
2007         rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
2008         tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
2009         unwind-sjlj.c, value-prof.h: Update copyright.
2010
2011 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
2012
2013         * pointer-set.c, tree-vectorizer.c: Fix comment typos.
2014
2015 2004-10-15  Diego Novillo  <dnovillo@redhat.com>
2016
2017         * tree-optimize.c (execute_one_pass): Stop timer right after
2018         executing the pass.
2019
2020 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2021
2022         Revert:
2023         2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2024         PR middle-end/17967
2025         Revert:
2026                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
2027                 (remove_useless_stmts_1):  Fold trees we know how to fold.
2028
2029 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
2030
2031         * configure.ac: Add .machine power4 directive when testing for
2032         mfcr field.
2033         * configure: Regenerate.
2034
2035 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
2036
2037         * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Don't define.
2038
2039 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2040
2041         * tree-vectorizer.c (vect_transform_loop): Declare vectorization_factor
2042         always.
2043
2044 2004-10-14  Daniel Jacobowitz  <dan@codesourcery.com>
2045
2046         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Return NO_REGS
2047         for 'f' if !TARGET_FPRS.
2048
2049 2004-10-14  Richard Henderson  <rth@redhat.com>
2050
2051         PR debug/14492
2052         * dwarf2out.c (loc_descriptor_from_tree_1): Handle FIX_*_EXPR.
2053
2054 2004-10-14  Richard Henderson  <rth@redhat.com>
2055
2056         PR c/17023
2057         * c-decl.c (store_parm_decls_oldstyle): Care for parameter type
2058         as error_mark_node.
2059         * c-parse.in (compstmt_primary_start): Check cur_stmt_list non-null
2060         instaed of current_function_decl non-null.
2061
2062 2004-10-14  Matt Austern  <austern@apple.com>
2063
2064         * pointer-set.c: New file, special-purpose hash table.
2065         * pointer-set.h: New file.
2066         * tree.h (struct pointer_set_t): Declare as opaque type.
2067         (tree_walk): Last argument is pointer_set_t* now.
2068         * tree-inline.c (WALK_SUBTREE): Convert from htab to pset.
2069         (walk_type_fields):
2070         (walk_tree): Convert from htab_t to pointer_set_t for keeping
2071         track of which nodes have already been visited.
2072         (walk_tree_without_duplicates): Convert from htab_t to pointer_set_t.
2073         * cgraphunit.c (cgraph_create_edges): Likewise.
2074         (cgraph_characterize_statics_local): Likewise.
2075         * tree-dfa.c (collect_dfa_stats): Likewise.
2076         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Last arg is
2077         pointer_set_t* now.
2078         * langhooks.c (lhd_tree_inlining_walk_subtrees): Likewise.
2079         * langhooks.h (struct lang_hooks_for_tree_inlining): Last arg type
2080         of walk_subtrees is pointer_set_t* now.
2081         * Makefile.in (OBJS-common): add pointer-set.o
2082         (tree-inline.o): Depends on pointer-set.h
2083         (tree-dfa.o): Likewise
2084         (cgraphunit.o): Likewise
2085
2086 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
2087
2088         * config/rs6000/darwin.h (ASM_SPEC): Delete.
2089         (TARGET_ASM_FILE_START): Define.
2090         * config/darwin.h (ASM_SPEC): Define.
2091         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Don't supply
2092         -mlong-double-128, it's the default.  Update comment about reason
2093         for force_cpusubtype_ALL.
2094         * config/rs6000/darwin-vecsave.asm: Supply .machine.
2095         * config/rs6000/darwin-world.asm: Likewise.
2096         * config/rs6000/rs6000.c (rs6000_darwin_file_start): New.
2097         (symbolic_operand): Delete #if 0ed code.
2098
2099 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2100
2101         * stmt.c (add_case_node): Make sure that we have integer
2102         constant before calling tree_int_cst_compare.
2103
2104 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2105
2106         PR middle-end/17967
2107         Revert:
2108                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
2109                 (remove_useless_stmts_1):  Fold trees we know how to fold.
2110
2111 2004-10-14  Joseph S. Myers  <joseph@codesourcery.com>
2112
2113         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS),
2114         config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow
2115         -m64.
2116
2117 2004-10-14  Ulrich Weigand  <uweigand@de.ibm.com>
2118
2119         * reload.c (find_reloads): When reloading a PLUS with constant
2120         operand, make sure the constant is pushed to the constant pool
2121         if required.
2122         * config/s390/s390.c (s390_secondary_input_reload_class): Remove
2123         reload bug workaround.
2124         (s390_expand_plus_operand): Likewise.
2125
2126 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
2127
2128         * opts.c (common_handle_option): Do not enable
2129         flag_speculative_prefetching for -fprofile-generate/use.
2130
2131 2004-10-14  Devang Patel  <dpatel@apple.com>
2132
2133         PR 17635
2134         * tree-if-conv.c (process_phi_nodes): Process latch block.
2135         (combine_blocks): Process latch block and update loop structure.
2136
2137 2004-10-14  Olga Golovanevsky  <olga@il.ibm.com>
2138
2139         * tree-vectorizer.c (vect_generate_tmps_on_preheader):
2140         (vect_update_ivs_after_vectorizer):
2141         (vect_transform_for_unknown_loop_bound):
2142         (tree_duplicate_loop_to_edge):
2143         (allocate_new_names):
2144         (rename_use_op):
2145         (rename_def_op):
2146         (rename_variables_in_bb):
2147         (free_new_names):
2148         (rename_variables_in_loop):
2149         (copy_phi_nodes):
2150         (update_phis_for_duplicate_loop):
2151         (update_phi_nodes_for_guard):
2152         (make_loop_iterate_ntimes):
2153         (tree_duplicate_loop_to_edge_cfg):
2154         (add_loop_guard):
2155         (vect_analyze_loop_with_symbolic_num_of_iters):
2156         (verify_loop_for_duplication):
2157         (vect_gen_niters_for_prolog_loop):
2158         (vect_update_niters_after_peeling):
2159         (vect_update_inits_of_dr):
2160         (vect_update_inits_of_drs):
2161         (vect_build_loop_niters):
2162         (vect_do_peeling_for_alignment): New functions.
2163         (vect_transform_loop): Add unknown and known but indivisible loop
2164         bound support; add peeling for unalignment support.
2165         (vect_analyze_loop_form): Support symbolic number of iterations.
2166         (vect_transform_loop_bound): New input parameter.
2167         (vect_get_loop_niters): Change input parameter type.
2168         (new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
2169         (vectorizable_store): Allow unaligned access.
2170         (vectorize_loops): Add rewrite_into_loop_closed_ssa.
2171         (vect_analyze_data_refs_alignment): Allowed one unaligned
2172         store.
2173         * tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
2174         to use tree.
2175         (LOOP_VINFO_INT_NITERS): New macro.
2176         (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
2177         (do_peeling_for_alignment):
2178         (unaligned_drs): New members of _loop_vec_info.
2179         (LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.
2180
2181 2004-10-14  Ranjit Mathew  <rmathew@hotmail.com>
2182
2183         * tree.h (TREE_STRING_POINTER): Wrap in "const char *".
2184         (struct tree_string): Remove "const" qualifier for "str".
2185
2186 2004-10-14  Ira Rosen  <irar@il.ibm.com>
2187
2188         * tree-vectorizer.c (vect_analyze_data_refs): Call
2189         vect_get_base_and_bit_offset to get memory tag for array ref.
2190         (vect_create_addr_base_for_vector_ref): Remove redundant checks.
2191
2192 2004-10-14  Richard Earnshaw  <rearnsha@arm.com>
2193
2194         * configure.ac: Use $LN_S for creating symlinks (not $LN).
2195         * configure: Regenerate.
2196
2197 2004-10-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2198
2199         * doc/install.texi (*-*-solaris2*): Update with info about kernel
2200         patches to solve spurious testsuite failures.
2201
2202 2004-10-14  Dorit Naishlos  <dorit@il.bim.com>
2203
2204         * tree-vectorizer.c (get_vectype_for_scalar_type): Added debug prinouts.
2205         Added check that vectype is VECTOR_MODE_P, instead of check for BLKmode.
2206         (vect_analyze_operations): Make sure the vectorization factor > 1. Add
2207         gcc_assert under ENABLE_CHECKING.
2208         (vectorizable_operation): Remove check for VECTOR_MODE_P (moved to
2209         get_vectype_for_scalar_type).
2210
2211         (vect_get_vec_def_for_operand): Remove redundant variables.
2212         (vect_transform_loop): Likewise.
2213
2214 2004-10-14  Richard Sandiford  <rsandifo@redhat.com>
2215
2216         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
2217         global for -mcaller-super-interworking.
2218         (CALLER_INTERWORKING_SLOT_SIZE): New macro.
2219         * config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
2220         CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
2221         not need a frame pointer.
2222         (arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
2223         the soft frame pointer offset.
2224         (thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
2225         * config/arm/arm.md (*call_reg_thumb, *call_value_reg_thumb): Use
2226         _interwork_{r7,r11}_call_via_rN if some arguments are passed on
2227         the stack.  Use frame_pointer_needed to choose between them.
2228         * config/arm/lib1funcs.asm (_arm_return_{r7,r11}): New functions.
2229         (interwork_with_frame): New macro.
2230         (interwork): Add _interwork_{r7,r11}_call_via_rN().
2231
2232 2004-10-14  Ben Elliston  <bje@au.ibm.com>
2233
2234         PR other/17900
2235         * diagnostic.c (trim_filename): Fix logic bug in walking backwards
2236         up the filename looking for a previous directory separator.
2237
2238 2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>
2239
2240         * c-tree.h (enum c_typespec_kind, struct c_typespec,
2241         parser_xref_tag): New.
2242         (struct c_declspecs): Add tag_defined_p.  Adjust definition of
2243         typedef_p.
2244         (declspecs_add_type): Adjust prototypes.
2245         * c-parse.in (%union): Add tstype.
2246         (typespec_nonattr, typespec_attr, typespec_reserved_nonattr,
2247         typespec_reserved_attr, typespec_nonreserved_nonattr,
2248         structsp_attr, structsp_nonattr): Change to tstype.  Update
2249         actions.
2250         * c-decl.c (build_null_declspecs): Initialize tag_defined_p.
2251         (declspecs_add_type): Update to take struct c_typespec argument.
2252         Set tag_defined_p and typedef_p as appropriate.
2253         (xref_tag): Rename to parser_xref_tag and replace by wrapper.
2254         Update to return struct c_typespec.
2255         (shadow_tag_warned): Don't let empty declarations with qualifiers
2256         or storage class specifiers redeclare a tag if a previous
2257         declaration is visible.
2258
2259 2004-10-13  Richard Henderson  <rth@redhat.com>
2260
2261         PR debug/15860
2262         * dwarf2out.c (rtl_for_decl_location): Apply big-endian correction
2263         for DECL_INCOMING_RTL.
2264
2265 2004-10-14  Hans-Peter Nilsson  <hp@axis.com>
2266
2267         PR target/17984
2268         * config/cris/cris.md (asrandb, asrandw, lsrandb, lsrandw): Apply
2269         trunc_int_for_mode for constants used in shortened mode.
2270
2271 2004-10-13  Richard Henderson  <rth@redhat.com>
2272
2273         PR c/17384
2274         * c-common.c (handle_mode_attribute): Disallow mode changes that
2275         alter the CODE of the top-level type.
2276
2277         * crtstuff.c (__FRAME_END__): Remove mode attribute.  Find 32-bit
2278         integer from internal limits macros.
2279         * config/i386/mm3dnow.h (__v2sf): Fix base type.
2280
2281 2004-10-13  Richard Henderson  <rth@redhat.com>
2282
2283         PR debug/13841
2284         * function.c (instantiate_decl): Recurse for CONCAT.
2285
2286 2004-10-13  David Edelsohn  <edelsohn@gnu.org>
2287
2288         * config/rs6000/rs6000.md (andsi3): Add attribute "compare" for
2289         andi./andis.
2290         (anddi3): Same.
2291         (extzvdi_internal1): Add attribute "compare".
2292         (extzvdi_internal2): Same.
2293
2294 2004-10-12  Tom Tromey  <tromey@redhat.com>
2295
2296         * doc/md.texi (Insn Canonicalizations): Removed extraneous quote.
2297
2298 2004-10-13  Dale Johannesen  <dalej@apple.com>
2299
2300         * doc/extend.texi (Extended Asm):  Rewrite asm volatile description.
2301
2302 2004-10-13  Frank Ch. Eigler  <fche@redhat.com>
2303
2304         * toplev.c (compile_file): Call mudflap_finish_file from here ...
2305         * c-decl.c (c_write_global_declarations): ... instead of here ...
2306         * cp/decl.c (cp_finish_file): ... and here.
2307         * tree-mudflap.c (mudflap_enqueue_decl): Reword a warning message.
2308
2309 2004-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
2310
2311         * tree-ssa-dom.c (record_range): Free the element if we are not
2312         going to use it.
2313
2314 2004-10-13  Tom Tromey  <tromey@redhat.com>
2315
2316         PR java/15578:
2317         * gcc.c (option_map): Added --extdirs and --encoding.
2318
2319 2004-10-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2320
2321         PR target/14454
2322         * config/sparc/sparc.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Set to
2323         sparc_can_output_mi_thunk.
2324         (sparc_output_mi_thunk): Simplify handling of delta offset.  Add
2325         handling of vcall offset.
2326         (sparc_can_output_mi_thunk): New predicate.
2327         * doc/tm.texi (TARGET_ASM_OUTPUT_MI_THUNK): Document VCALL_OFFSET.
2328         (TARGET_ASM_OUTPUT_MI_VCALL_THUNK): Delete.
2329         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): New target hook.
2330
2331         * config/sparc/sparc.c (emit_and_preserve): Preserve stack alignment.
2332
2333         * config/sparc/sparc.md (movdi): Remove redundant test.
2334
2335 2004-10-13  Paolo Bonzini  <bonzini@gnu.org>
2336
2337         * tree-dump.c (dump_options): Remove TDF_TREE, TDF_RTL,
2338         TDF_IPA from -fdump-tree-*-all.
2339
2340 2004-10-13  Paul Brook  <paul@codesourcery.com>
2341
2342         * config/arm/arm-protos.h (arm_load_pic_register): Update prototype.
2343         * config/arm/arm.c (thumb_find_work_register): Update comments.
2344         (arm_load_pic_register): Add argument for scratch register.
2345         (arm_expand_prologue, thumb_expand_prologue): Pass extra argument.
2346         * config/arm/arm.md (builtin_setjmp_receiver): Ditto.
2347
2348 2004-10-13  Kazu Hirata  <kazu@cs.umass.edu>
2349
2350         * tree-data-ref.c: Fix comment typos.
2351
2352 2004-10-13  Jakub Jelinek  <jakub@redhat.com>
2353             Zdenek Dvorak  <dvorakz@suse.cz>
2354
2355         PR tree-optimization/17724
2356         * tree-cfg.c (tree_purge_dead_eh_edges): Free dominance info.
2357
2358 2004-10-13  Dorit Naishlos  <dorit@il.ibm.com>
2359
2360         * rs6000.c (altivec_builtin_mask_for_load): Made static GTY(()).
2361         (altivec_builtin_mask_for_store): Likewise.
2362         (altivec_init_builtins): Use lang_hooks.builtin_function to
2363         create the decls for builtin_altivec_mask_for_load/store.
2364
2365 2004-10-13  Nick Clifton  <nickc@redhat.com>
2366
2367         * config/c4x/c4x.c: Remove inclusion of loop.h.
2368
2369 2004-10-12  Ben Elliston  <bje@au.ibm.com>
2370
2371         * basic-block.h (edge_iterator): Keep the address of VEC(edge) *.
2372         (ei_container): New; renamed.
2373         (ei_start, ei_last): New macros.
2374         (ei_start_1, ei_last_1): Renamed from ei_start.
2375         (ei_last_1, ei_end_p): Use ei_container() where applicable.
2376         (ei_one_before_end_p, ei_next, ei_edge): Likewise.
2377         * gcse.c (remove_reachable_equiv_notes): Use ei_container().
2378
2379 2004-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
2380
2381         * Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
2382         * cfgloop.c (initialize_loops_parallel_p): New.
2383         (flow_loops_find): Initialize the parallel_p field to true for all
2384         the loops.
2385         * tree-ssa-loop-niter.c: Include "tree-data-ref.h".
2386         (estimate_numbers_of_iterations_loop): Infers the loop bounds from
2387         the size of the data accessed in the loop.
2388         (struct nb_iter_bound): Moved...
2389         * cfgloop.h (struct nb_iter_bound): ... here.
2390         (estimated_nb_iterations, parallel_p): New fields in struct loop.
2391         (record_estimate): Declare extern here.
2392         * tree-chrec.c: Fix comments.
2393         (nb_vars_in_chrec): New function.
2394         * tree-chrec.h (nb_vars_in_chrec): Declared here.
2395         * tree-data-ref.c: Don't include lambda.h, that is already included
2396         in tree-data-ref.h.
2397         (tree_fold_divides_p): Don't check for integer_onep.
2398         (tree_fold_bezout): Removed.
2399         (gcd): New static duplicated function.
2400         (int_divides_p, dump_subscript): New.
2401         (dump_data_dependence_relation): Use dump_subscript.
2402         (dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
2403         estimate_niter_from_size_of_data): New.
2404         (analyze_array_indexes, analyze_array): Call
2405         estimate_niter_from_size_of_data during the detection of array
2406         references.  Pass in a pointer to the statement that contains the
2407         array reference.
2408         (all_chrecs_equal_p): New.
2409         (compute_distance_vector): Renamed compute_subscript_distance.
2410         Deal with multivariate conflict functions.
2411         (initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
2412         DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
2413         (non_affine_dependence_relation): New.
2414         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2415         analyze_siv_subscript, analyze_miv_subscript,
2416         analyze_overlapping_iterations, subscript_dependence_tester):
2417         Initialize and return last_conflicts function.
2418         (initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
2419         compute_overlap_steps_for_affine_1_2): New.
2420         (analyze_siv_subscript_affine_cst): Removed.
2421         (analyze_subscript_affine_affine): Disprove dependences based on the
2422         iteration domains.  Solve the univariate dependence case as before,
2423         but use lambda_matrix_right_hermite instead of tree_fold_bezout.
2424         Implement the multivariate case of 2 versus 1 variables.
2425         (build_classic_dist_vector, build_classic_dir_vector): Implement some
2426         unhandled cases.
2427         (find_data_references_in_loop): Compute and initialize
2428         loop->estimated_nb_iterations and loop->parallel_p.
2429         (analyze_all_data_dependences): Modify the debug dump order.
2430         * tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
2431         subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
2432         (SUB_LAST_CONFLICT, subscript->last_conflict,
2433         data_dependence_relation->affine_p, data_dependence_relation->size_vect,
2434         DDR_AFFINE_P, DDR_SIZE_VECT): New.
2435         (find_data_references_in_loop, initialize_data_dependence_relation,
2436         dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.
2437
2438 2004-10-12  Kelley Cook  <kcook@gcc.gnu.org>
2439
2440         * configure: Regenerate.
2441
2442 2004-10-12  Fariborz Jahanian <fjahanian@apple.com>
2443
2444         PR 17892
2445         * tree-ssa-dom.c (unsafe_associative_fp_binop): New function.
2446         (simplify_rhs_and_lookup_avail_expr): Disallow associativity
2447         and constant folding of floating point MULT_EXPR/PLUS_EXPR
2448         expressions.
2449
2450 2004-10-12  Ulrich Weigand  <uweigand@de.ibm.com>
2451
2452         * config/s390/s390.c (s390_va_start): Use build_va_arg_indirect_ref.
2453         (s390_gimplify_va_arg): Likewise.
2454
2455 2004-10-12  Daniel Jacobowitz  <dan@debian.org>
2456
2457         * defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)
2458         (MODE_BASE_REG_REG_CLASS, REGNO_MODE_OK_FOR_REG_BASE_P)
2459         (REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
2460         * regclass.c (record_address_regs): Remove ifdef.  Use
2461         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
2462         * regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
2463         definition.
2464         (scan_rtx_address, replace_oldest_value_addr): Use
2465         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
2466         * reload.c (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Remove
2467         unnecessary definitions.
2468         (find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
2469         and MODE_BASE_REG_REG_CLASS.
2470         * config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
2471         (MODE_BASE_REG_REG_CLASS): Define.
2472         (REGNO_MODE_OK_FOR_REG_BASE_P): Define.
2473         (REG_MODE_OK_FOR_REG_BASE_P): Define.
2474         * doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,
2475         REG_MODE_OK_FOR_REG_BASE_P, and REGNO_MODE_OK_FOR_REG_BASE_P.
2476
2477 2004-10-12  Daniel Berlin <dberlin@dberlin.org>
2478
2479         * tree-ssa-alias.c (verify_name_tags): New function.
2480         (verify_flow_sensitive_alias_info): Remove code that used to check name tags.
2481         (verify_alias_info): Call verify_name_tags.
2482
2483 2004-10-12  Kazu Hirata  <kazu@cs.umass.edu>
2484
2485         PR rtl-optimization/17931
2486         * config/i386/i386.c (ix86_rtx_costs): Handle COMPARE with
2487         ZERO_EXTRACT in it.
2488
2489 2004-10-12  Richard Earnshaw  <rearnsha@arm.com>
2490
2491         * arm.c (arm_print_operand): Use output_operand_lossage where possible
2492         rather than aborting.
2493
2494 2004-10-12  Paul Brook  <paul@coudesourcery.com>
2495
2496         * config.gcc: Add armv6{k,z,zk}
2497         * config/arm/arm-cores.def: Add arm1176 and mpcore.
2498         * config/arm/tune.md: Regenerate.
2499         * config/arm/arm.c (FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK):
2500         Define.
2501         (all_architectures): Add armv6k, armv6z, armv6zk.
2502         * config/arm/lib1funcs.asm: Recognise new arm arcitectures.
2503         * doc/invoke.texi: Document new arch and cpu values.
2504
2505 2004-10-12  Paul Brook  <paul@coodesourcery.com>
2506
2507         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to
2508         meabi=4.
2509
2510 2004-10-12  Paul Brook  <paul@codesourcery.com>
2511
2512         * config/arm/arm.md (addsi3_cbranch_scratch): Correct constraints.
2513         Handle negative constants.
2514
2515 2004-10-12  Joseph S. Myers  <jsm@polyomino.org.uk>
2516
2517         PR c/17301
2518         * c-typeck.c (convert_arguments): Return error_mark_node if there
2519         are too few arguments.
2520         (build_function_call): Handle error_mark_node return from
2521         convert_arguments.
2522
2523 2004-10-06  Paolo Bonzini  <bonzini@gnu.org>
2524
2525         * configure.ac (symbolic_link): Replace with $LN_S.
2526         (Assembler/Linker): Hard link from gas and binutils trees.
2527         * aclocal.m4 (gcc_AC_PROG_LN_S): Try "cp -p" before cp.
2528         * configure: Regenerate.
2529
2530 2004-10-12  Paul Brook  <paul@codesourcery.com>
2531
2532         * configure.ac: Don't look for host assembler when building a canadian
2533         cross.
2534         * configure: Regenerate.
2535
2536 2004-10-11  Roger Sayle  <roger@eyesopen.com>
2537
2538         PR other/17361
2539         * c-opts.c (permit_fortran_options): Delete/obsolete global variable.
2540         (c_common_init_options): Remove #ifdef CL_F77 code.  Scan command
2541         line options for "-lang-asm" and if found allow any of the C-family
2542         front-end options.
2543         (c_common_handle_option): Remove last use of permit_fortran_options.
2544
2545 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
2546
2547         * config/s390/s390.c (print_operand): Support 'S' format flag.
2548         * config/s390/s390.md ("*tmqi_mem"): Use 'S' format flag.
2549         ("*tstsi", "*tstsi_cconly", "*tstsi_cconly2"): Likewise.
2550         ("*tsthiCCT", "*tsthiCCT_cconly", "*tsthi", "*tsthi_cconly"): Likewise.
2551         ("*tstqiCCT", "*tstqiCCT_cconly", "*tstqi", "*tstqi_cconly"): Likewise.
2552         ("*cmphi_ccu", "*cmpqi_ccu", "*clc"): Likewise
2553         ("movti", "*movdi_31", "*movqi", "*movdf_31", "*mvc"): Likewise.
2554         ("*movstricthi"): Likewise.
2555         ("*load_multiple_di", "*load_multiple_si"): Likewise.
2556         ("*store_multiple_di", "*store_multiple_si"): Likewise.
2557         ("*sethiqisi", "*sethihisi"): Likewise.
2558         ("*sethiqidi_64", "*sethiqidi_31"): Likewise.
2559         ("*andqi3_zarch", "*andqi3_esa", "*nc"): Likewise.
2560         ("*iorqi3_zarch", "*iorqi3_esa", "*oc"): Likewise.
2561         ("*xorqi3", "*xc", "*xc_zero"): Likewise.
2562         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Likewise.
2563
2564         ("*tmhi_full"): Fix incorrect op_type attribute.
2565
2566         ("*adddi3_alc_cc", "*adddi3_alc"): Remove double backslash.
2567         ("*subdi3_slb_cc", "*subdi3_slb"): Likewise.
2568         ("*addsi3_alc_cc", "*addsi3_alc"): Likewise.
2569         ("*subsi3_slb_cc", "*subsi3_slb"): Likewise.
2570
2571 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu
2572
2573         PR middle-end/16266
2574         * function.c (temp_slots_at_level): Fix typo which creates too
2575         many temp stack slots levels.
2576
2577 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
2578
2579         * config/s390/s390.c (s390_trampoline_template): Generate shorter
2580         trampoline code.
2581         (s390_trampoline_instantiate): Adapt.
2582         * config/s390/s390.h (TRAMPOLINE_SIZE): Adapt to new code.
2583
2584 2004-10-11  Roger Sayle  <roger@eyesopen.com>
2585
2586         PR middle-end/17657
2587         * stmt.c (add_case_node): Add additional type argument.  Declare
2588         as static to match prototype.  Convert the upper and lower bounds
2589         to the specified index type.  Optimize away case ranges/values
2590         that are outside the index type's bounds.  Truncate case ranges
2591         that span the index type's bounds.
2592         (expand_case): Avoid unnessary computation and memory allocation
2593         when index type is error_mark_node.  Pass index_type as required
2594         by change to add_case_node API.  No need to convert case range
2595         bounds to index_type, this is now done by add_case_node.
2596
2597 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
2598
2599         * config/s390/s390-protos.h (s390_offset_p): Add prototype.
2600         * config/s390/s390.c (s390_offset_p): New function.
2601         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
2602         "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
2603         transform Q->Q alternatives to *clc pattern.
2604         ("*clc"): Move.
2605         ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
2606         "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
2607         to transform Q->Q alternatives to *mvc pattern.
2608         ("*mvc"): Move.  Add peephole to merge adjacent MVCs.
2609         ("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
2610         "*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
2611         transform Q->Q alternatives to *nc pattern.
2612         ("*nc"): New insn.  New peephole to merge adjacent NCs.
2613         ("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
2614         "*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
2615         transform Q->Q alternatives to *oc pattern.
2616         ("*oc"): New insn.  New peephole to merge adjacent OCs.
2617         ("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
2618         transform Q->Q alternatives to *xc pattern.
2619         ("*xc"): New insn.  New peephole to merge adjacent XCs.
2620         ("*xc_zero"): Move.  Add peephole to merge adjacent XCs.
2621
2622 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
2623
2624         * gimplify.c (gimple_push_condition): Make sure that we don't
2625         have any saved condition cleanup if we were at the top level.
2626
2627 2004-10-11  Richard Sandiford  <rsandifo@redhat.com>
2628
2629         * config/frv/frv.md (*adddi3_internal): Change name to...
2630         (adddi3): ...replacing the exisiting define_expand.  Combine
2631         alternatives.  Fix the range of the constant constraints ('J' instead
2632         of 'NOP').  Remove bogus operands[2] check.  Use simplify_gen_subreg
2633         to extract the lower and upper halves of the DImode operands.
2634         Always use addi3_lower and adddi3_upper, not the subdi3 forms.
2635         (adddi3_lower): Fix the range of the constant constraints and
2636         remove the bogus operands[2] check.
2637         (adddi3_upper): Use gpr_or_int10_operand as the predicate for
2638         operand 2.  Use addxi to handle constant operands.
2639         (subdi3_lower, subdi3_upper): Don't handle constant operands.
2640
2641 2004-10-11  Nathan Sidwell  <nathan@codesourcery.com>
2642
2643         * gengtype-lex.l: Add commented } & ) characters to unconfuse
2644         editor's paren matching. Allow #define inside a struct.
2645
2646 2004-10-10  Andrew Pinski  <pinskia@physics.uc.edu>
2647
2648         PR middle-end/17703
2649         part of PR c++/17657
2650         * fold-const.c (fold_build_cleanup_point_expr): New function.
2651         * tree.h (fold_build_cleanup_point_expr): Prototype.
2652
2653 2004-10-10  Eric Christopher  <echristo@redhat.com>
2654
2655         * dwarf2out.c: Move attribute to subprogram declaration
2656         instead of subroutine type.
2657
2658 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
2659
2660         * basic-block.h: Remove the prototypes for can_hoist_insn_p,
2661         hoist_insn_after, and hoist_insn_to_edge.
2662         * rtl.h: Remove the prototypes for reg_referenced_between_p,
2663         no_jumps_between_p, and insn_dependent_p.
2664         * rtlanal.c (no_jumps_between_p, reg_referenced_between_p,
2665         insn_dependent_p, insn_dependent_p_1, hoist_test_store,
2666         can_hoist_insn_p, hoist_update_store, hoist_insn_after,
2667         hoist_insn_to_edge): Remove.
2668
2669 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2670
2671         PR c/17881
2672         * c-decl.c (grokparms): Don't warn for parameters of incomplete
2673         type in declarations that are not definitions except for the case
2674         of parameters of void type.
2675
2676 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
2677
2678         * tree-cfg.c: Fix comment typos.
2679
2680 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2681
2682         PR c/17301
2683         * builtins.c (expand_builtin_va_start): Check for too few
2684         arguments to va_start.
2685
2686 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2687
2688         PR c/17189
2689         * c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
2690         fields a pedwarn.  Pedwarn here for unnamed structs/unions if
2691         pedantic.
2692         * c-parse.in (component_decl): Don't pedwarn here for unnamed
2693         fields.
2694
2695 2004-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
2696
2697         PR tree-optimization/17906
2698         * tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to
2699         copy non-gimple reg arguments.
2700
2701 2004-10-09  Roger Sayle  <roger@eyesopen.com>
2702
2703         PR rtl-optimization/17853
2704         * simplify-rtx.c (simplify_relational_operation): Correct comment.
2705         Reorganize handling of comparison operations with floating point
2706         results (always return 0.0 even without FLOAT_STORE_FLAG_VALUE).
2707         Likewise, introduce support for comparison operations with vector
2708         result types, introducing a new VECTOR_STORE_FLAG_VALUE target macro.
2709
2710         * doc/rtl.texi: Document new VECTOR_STORE_FLAG_VALUE target macro.
2711         * doc/tm.texi: Likewise.
2712
2713 2004-10-09  Steven Bosscher  <stevenb@suse.de>
2714
2715         * regs.h (struct reg_info_def): Remove the last_node_uid and
2716         changes_mode fields.
2717         (REGNO_LAST_NOTE_UID): Don't define.
2718         * regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
2719         * regmove.c (copy_src_to_dest): Likewise.
2720
2721 2004-10-09  Roger Sayle  <roger@eyesopen.com>
2722
2723         PR middle-end/17894
2724         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2, the
2725         relational comparison operator op needs to be swapped/reversed when
2726         C1 is negative.  i.e. X/-10 < 1 becomes X >= -9, not X < -9.
2727
2728 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2729
2730         PR tree-opt/17902
2731         * tree-ssa-phiopt.c (conditional_replacement): Use bsi_after_labels
2732         instead of bsi_start.
2733         (value_replacement): Likewise.
2734         (abs_replacement): Likewise
2735
2736 2004-10-09  Steven Bosscher  <stevenb@suse.de>
2737
2738         * cfgexpand.c (maybe_dump_rtl_for_tree_stmt): New function.
2739         (expand_gimple_cond_expr, expand_gimple_tailcall,
2740         expand_gimple_basic_block): Use it to dump RTL for each stmt.
2741         (tree_expand_cfg): Announce full RTL function dump.
2742         * tree-optimize.c (execute_one_pass): Use normal RTL printing,
2743         not the graph version.
2744         * tree-pretty-print.c (dump_generic_node): Allow empty statements
2745         in the arms of a COND_EXPR for lowered nodes.
2746
2747 2004-10-08  Joseph S. Myers  <joseph@codesourcery.com>
2748
2749         * config/rs6000/spe.h (atosfix16, atosfix32, atosfix64, atoufix16,
2750         atoufix32, atoufix64, strtosfix16, strtosfix32, strtosfix64,
2751         strtoufix16, strtoufix32, strtoufix64): Declare.
2752
2753 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2754
2755         * c-lex.c (interpret_float): Give a pedwarn rather than a warning
2756         for an out-of-range floating point constant.
2757         * builtins.c (fold_builtin_inf): Give a pedwarn rather than a
2758         warning if the target format does not support infinities.
2759
2760 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2761
2762         * emit-rtl.c (last_label_num, base_label_num): Remove.
2763         (max_label_num): Always return label_num.
2764         (set_new_last_label_num, restore_emit_status): Remove.
2765         (init_emit): Don't initialize last_label_num.
2766         * function.c (pop_function_context_from): Don't call
2767         restore_emit_status.
2768         * function.h: Remove the prototype for restore_emit_status.
2769         * rtl.h: Remove the prototype for set_new_last_label_num.
2770
2771 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2772
2773         * stmt.c (expand_decl_init): Remove.
2774         * tree.h: Remove the corresponding prototype.
2775
2776 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2777
2778         * integrate.c (try_constants, subst_constants, mark_stores):
2779         Remove.
2780         * integrate.h: Remove the prototype for try_constants.
2781
2782 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2783
2784         * c-typeck.c (enum impl_conv): Add ic_argpass_nonproto.
2785         (convert_for_assignment): Handle ic_argpass_nonproto.  Add
2786         comments about its relevance to errors.
2787         (c_convert_parm_for_inlining): Use ic_argpass_nonproto.
2788
2789 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2790
2791         PR c/16999
2792         * c-ppoutput.c (cb_ident): Don't quote string as it is already
2793         quoted.
2794
2795 2004-10-08  Diego Novillo  <dnovillo@redhat.com>
2796
2797         * tree-ssa-pre.c (init_pre): Use size of ARRAY_REF to allocate
2798         reference_node_pool.
2799
2800 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2801
2802         * tree-cfg.c: Fix a comment typo.
2803
2804 2004-10-08  Andreas Krebbel  <krebbel1@de.ibm.com>
2805
2806         * config/s390/s390.c (s390_register_info): Don't save fprs for
2807         -msoft-float.
2808         (s390_conditional_register_usage): Make fprs 'fixed' for -msoft-float.
2809
2810 2004-10-08  Ulrich Weigand  <uweigand@de.ibm.com>
2811
2812         * config/s390/s390.h (TARGET_DEFAULT_BACKCHAIN): New define.
2813         (TARGET_DEFAULT): Use symbolic values.
2814         * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Redefine.
2815         (TARGET_DEFAULT): Use symbolic values.
2816         * config/s390/s390.c (s390_backchain_string): Initialize to
2817         TARGET_DEFAULT_BACKCHAIN.
2818
2819 2004-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2820
2821         * builtins.c (expand_builtin_mempcpy): Move tree handling code to
2822         fold_builtin_mempcpy.  Accept a type parameter.  Delete duplicate
2823         code.
2824         (expand_builtin_strcat): Accept a type parameter.
2825         (fold_builtin_mempcpy): Accept a type and endp parameter.
2826
2827         * builtins.c (expand_builtin_strncpy): Delete duplicate code.
2828         Accept an `exp' instead of an `arglist'.
2829
2830 2004-10-08  Nathan Sidwell  <nathan@codesourcery.com>
2831
2832         * tree-tailcall.c (tree_optimize_tail_calls_1): Use fold_convert,
2833         reverting my 2004-09-07 patch to use build_int_cst.
2834
2835 2004-10-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2836
2837         PR target/17245
2838         * config/sparc/sparc.c (input_operand): Remove redundant code
2839         for handling LO_SUM.
2840         (legitimate_address_p) <REG+REG>: Do not recheck TARGET_V9.
2841         <LO_SUM>: If LO_SUM is offsettable, accept it for TFmode on V9.
2842         Otherwise only accept it for TFmode if quad move insns are available.
2843
2844 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2845
2846         * tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
2847         common cases will be caught earlier than others.
2848
2849 2004-10-08  Michael Matz  <matz@suse.de>
2850
2851         * loop-doloop.c (doloop_optimize): Extend count.
2852
2853 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2854
2855         * config/sh/sh.md (prefetch_media, prefetch_i4): New insns.
2856         (prefetch): Convert to expander.
2857
2858 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2859
2860         * config/sh/sh.md (tls_global_dynamic): Use MEM pattern for the
2861         first argument of CALL.
2862         (tls_local_dynamic): Likewise.
2863
2864 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2865
2866         * c-typeck.c (enum impl_conv): New.
2867         (convert_for_assignment): Use it.  Take tree for function called
2868         instead of its name.  Handle ObjC selectors for diagnostics at
2869         start of function.  Select diagnostic text within the function
2870         using full sentences for diagnsotics.  Use %qE to name functions
2871         in diagnostics.
2872         (convert_arguments, build_modify_expr,
2873         c_convert_parm_for_inlining, digest_init, c_finish_return): Update
2874         callers to convert_for_assignment.
2875         (warn_for_assignment): Remove.
2876
2877 2004-10-08  Nick Clifton  <nickc@redhat.com>
2878
2879         * config/sh/symbian.c (symbian_possibly_export_base_class):
2880         Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with
2881         TYPE_CONTAINS_VPTR_P.
2882
2883 2004-10-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2884
2885         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
2886         fixed registers form all_used_regs. Update call_really_used_regs.
2887         (CALL_REALLY_USED_REGISTERS): Define.
2888         * config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
2889         with call_really_used_regs.
2890
2891 2004-10-08  Alan Modra  <amodra@bigpond.net.au>
2892
2893         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
2894         for -profile as well as -p and -pg.
2895
2896 2004-10-07  Andrew Pinski  <pinskia@physics.uc.edu>
2897
2898         * libgcc2.c (__moddi3): Cast &w to UDWtype*.
2899
2900 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2901
2902         * tree-cfg.c (tree_block_forwards_to): Remove.
2903         * tree-flow.h: Remove the corresponding prototype.
2904
2905 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2906
2907         * tree-flow-inline.h (phi_nodes): Remove an unnecessary check
2908         for ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.
2909
2910 2004-10-07  Geoffrey Keating  <geoffk@apple.com>
2911
2912         Radar 3813796
2913         * config/rs6000/rs6000.c (rs6000_generate_compare): When
2914         flag_trapping_math is in effect, don't generate subtract
2915         instructions.
2916
2917 2004-10-07  Ulrich Weigand  <uweigand@de.ibm.com>
2918
2919         * config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
2920         * config/s390/s390.c (s390_narrow_logical_operator): New function.
2921         (s390_extra_constraint_str): Add 'A' constraints.
2922         (s390_const_ok_for_constraint_p): Add 'Nx' constraints.
2923         * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
2924         (CONSTRAINT_LEN): Likewise.
2925         * config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
2926         ("*andsi3_zarch", "*andsi3_esa"): Likewise.
2927         ("*andhi3_zarch", "*andhi3_esa"): Likewise.
2928         ("*iordi3"): Add OI alternative and splitter.
2929         ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
2930         ("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
2931         ("*xordi3"): Add XI alternative and splitter.
2932         ("*xorsi3", "*xorhi3"): Likewise.
2933
2934 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2935
2936         * config/mips/mips.c (mips_function_rodata_section): New function.
2937         (TARGET_ASM_FUNCTION_RODATA_SECTION): Use it.
2938
2939 2004-10-07  Devang Patel  <dpatel@apple.com>
2940
2941         * rs6000/altivec.md (UNSPEC_VCMPBFP, UNSPEC_VCMPEQUB, UNSPEC_VCMPEQUH,
2942         UNSPEC_VCMPEQUW, UNSPEC_VCMPGEFP, UNSPEC_VCMPGTUB, UNSPEC_VCMPGTSB,
2943         UNSPEC_VCMPGTUH, UNSPEC_VCMPGTSH, UNSPEC_VCMPGTUW, UNSPEC_VCMPGTSW,
2944         UNSPEC_VCMPGTFP, UNSPEC_VSEL4SI, UNSPEC_VSEL4SF, UNSPEC_VSEL8HI,
2945         UNSPEC_VSEL16QI, UNSPEC_VCOND_V4SI, UNSPEC_VCOND_V4SF, UNSPEC_VCOND_V8HI,
2946         UNSPEC_VCOND_V16QI, UNSPEC_VCONDU_V4SI, UNSPEC_VCONDU_V8HI,
2947         UNSPEC_VCONDU_V16QI): New constant defines.
2948         (vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
2949         vconduv16qi): New patterns.
2950         * rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
2951         * rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
2952         (get_vec_cmp_insn): Same.
2953         (get_vsel_insn): Same.
2954         (rs6000_emit_vector_compare): Same.
2955         (rs6000_emit_vector_select): Same.
2956         (INSN_NOT_AVAILABLE): New.
2957
2958 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2959
2960         PR tree-optimization/17749
2961         * tree-tailcall.c (find_tail_calls): Check that parameter is
2962         a gimple_reg.
2963
2964 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2965
2966         * config/ia64/ia64.c: Fix a comment typo.
2967
2968 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2969
2970         * doc/install.texi (*-*-solaris2*): Fix marker for URL.
2971
2972 2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2973
2974         PR c++/17115
2975         * tree-inline.c (expand_call_inline): Do not warn for functions
2976         marked with attribute noinline.
2977
2978 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2979
2980         PR target/17862
2981         * config/sparc/sparc.c (sparc_output_mi_thunk): Set
2982         current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.
2983
2984         * config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
2985         of 0 as 4th argument to pass_by_reference.
2986         Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.
2987
2988 2004-10-06  Eric Christopher  <echristo@redhat.com>
2989
2990         * config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
2991         attribute.
2992
2993 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2994
2995         PR target/17770
2996         * config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.
2997
2998 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2999
3000         PR rtl-optimization/17791
3001         * loop-doloop.c (doloop_modify): Take number of iterations as
3002         argument.
3003         (doloop_optimize): Extend or shorten the number of iterations
3004         when changing mode of counter register.
3005         * loop-iv.c (lowpart_subreg): Export.
3006         * rtl.h (lowpart_subreg): Declare.
3007
3008 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
3009
3010         PR tree-optimization/17806
3011         * cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
3012         * cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
3013         flags moved to split_edge.
3014
3015 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3016
3017         PR middle-end/17835
3018         * expmed.c (expand_sdiv_pow2): Force a stack adjustment
3019         before tentatively building the conditional move sequence.
3020
3021 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
3022
3023         PR target/16815
3024         * function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
3025         check.
3026         * config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
3027         function_arg_padding.
3028
3029 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
3030
3031         PR bootstrap/17857
3032         * Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.
3033
3034 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
3035
3036         * hooks.c (hook_int_void_1, hook_void_int): Remove.
3037         * hooks.h: Remove the corresponding prototypes.
3038
3039 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
3040
3041         PR middle-end/17849
3042         * tree-nested.c (walk_stmt_info): Add changed field.
3043         (convert_nonlocal_reference): Set changed to when we
3044         change a decl to unnested decl.
3045         <case ADDR_EXPR>: Instead of checking if the immediate part
3046         of the ADDR_EXPR changed, check the field changed.
3047         Use recompute_tree_invarant_for_addr_expr instead of unsetting
3048         TREE_INVARIANT.
3049         (convert_local_reference):  Set changed to when we
3050         change a decl to unnested decl.
3051         <case ADDR_EXPR>: Instead of checking if the immediate part
3052         of the ADDR_EXPR changed, check the field changed.
3053         Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.
3054
3055 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
3056
3057         * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
3058         * dwarf2out.c (dwarf2out_init): Remove references to
3059         DWARF2_GENERATE_TEXT_SECTION_LABEL.
3060         * system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
3061         * doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
3062
3063 2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3064
3065         * c-typeck.c (convert_arguments): Take expression for called
3066         function rather than its name.  Handle ObjC selectors directly
3067         rather than relying on warn_for_assignment to do so.  Call warning
3068         directly rather than warn_for_assignment.  Use %qE in diagnostics.
3069         Say "argument" rather than "arg" in diagnostics.
3070         (build_function_call): Update call to convert_arguments.
3071
3072 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
3073
3074         PR debug/17787
3075         * dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
3076         ENUMs specially instead of just saying we do.
3077
3078 2004-10-06  Eric Christopher  <echristo@redhat.com>
3079
3080         * dwarf2.h: Sync with include/elf/dwarf2.h
3081
3082 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3083
3084         * tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
3085         and TREE_VEC nodes.
3086
3087 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3088
3089         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
3090         to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
3091
3092 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3093
3094         * lambda-code.c (compute_nest_using_fourier_motzkin): New
3095         function.
3096         (lambda_compute_auxillary_space): Split from here.
3097
3098 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3099
3100         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
3101         * tree-flow.h: Add prototype.
3102         * lambda-code.c (invariant_in_loop_and_outer_loops): Use
3103         expr_invariant_in_loop.
3104
3105 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
3106
3107         * tree-cfg.c (thread_jumps): Remove a duplicate check for
3108         EXIT_BLOCK_PTR.
3109
3110 2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>
3111
3112         * config/s390/s390-protos.h (s_imm_operand): Remove.
3113         (s390_pool_operand): Add prototype.
3114         * config/s390/s390.c (general_s_operand): Remove.
3115         (s_imm_operand): Remove.
3116         (s_operand): Merge contents of general_s_operand.
3117         (s390_pool_operand): New function.
3118         * config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
3119         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
3120         ("*cmpdi_ccu"): Merge Q->Q alternative.
3121         ("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
3122         ("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
3123         ("*cli"): Remove.
3124         ("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
3125         ("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
3126         ("*movstricthi"): Use memory_operand instead of s_imm_operand.
3127
3128 2004-10-06  Steve Ellcey  <sje@cup.hp.com>
3129
3130         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
3131         call ia64_function_arg_boundary.
3132         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
3133         * config/ia64/ia64.c (ia64_function_arg_boundary): New.
3134         (ia64_function_arg_advance): Do not put 128 bit floats into
3135         FP registers.
3136
3137 2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3138
3139         * builtins.c (expand_builtin_strcpy): Delete duplicate code.
3140         Accept an expression instead of an arglist.
3141         (expand_builtin_stpcpy): Accept an expression instead of an
3142         arglist.
3143
3144 2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3145
3146         PR target/16007
3147         * doc/install.texi (*-*-solaris2*): Mention potential problem
3148         with Sun assembler + GNU linker and C++ programs.
3149         Document status of binutils 2.15 release.
3150
3151 2004-10-06  Jan Hubicka  <jh@suse.cz>
3152
3153         * cse.c (cse_main): Kill push/pop context.
3154
3155 2004-10-05  Zack Weinberg  <zack@codesourcery.com>
3156
3157         * pretty-print.c: Include tree.h.
3158         (pp_base_prepare_to_format): New function, logic from
3159         text_specifies_location.
3160         (pp_base_format_text): Use gcc_assert.
3161         * pretty-print.h (pp_prepare_to_format): New macro.
3162         (pp_base_prepare_to_format): Prototype.
3163         * diagnostic.c (text_specifies_location): Delete.
3164         (bug_report_request): Delete.
3165         (diagnostic_set_info): Don't call text_specifies_location.
3166         (diagnostic_action_after_output): Put text from
3167         bug_report_request inline here.  Use gcc_unreachable.
3168         (diagnostic_report_current_function): Fix comment.
3169         (diagnostic_report_diagnostic): Clarify logic for error recursion.
3170         Call pp_prepare_to_format before diagnostic_starter.
3171         (trim_filename): Use IS_DIR_SEPARATOR.
3172         (fatal_error, internal_error): Use gcc_unreachable.
3173         (error_recursion): Call diagnostic_action_after_output to
3174         issue the bug_report_request message and exit.
3175         * Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.
3176
3177         * c-parse.in: Add list of diagnostic messages to insulate
3178         translation template from version of yacc/bison used to
3179         compile the grammar.
3180
3181 2004-10-06  Alan Modra  <amodra@bigpond.net.au>
3182
3183         PR 16406
3184         * doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.
3185
3186 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3187
3188         * basic-block.h: Remove the prototype for
3189         flow_preorder_transversal_compute.
3190         * cfganal.c (dfst_node): Remove.
3191         (flow_preorder_transversal_compute): Likewise.
3192         * rtl.h: Remove the prototype for get_jump_table_offset.
3193         * rtlanal.c (get_jump_table_offset): Remove.
3194
3195 2004-10-05  Richard Henderson  <rth@redhat.com>
3196
3197         PR 17756
3198         * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.
3199
3200 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
3201
3202         PR bootstrap/17817
3203         * Makefile.in: Stage the build directory too.
3204
3205 2004-10-05  Aldy Hernandez  <aldyh@redhat.com>
3206
3207         * config/frv/frv.h (LEGITIMIZE_ADDRESS): New.
3208
3209         * config/frv/frv-protos.h (frv_legitimize_address): Protoize.
3210         (frv_emit_move): Same.
3211
3212         * config/frv/frv.c (frv_emit_move): New.
3213         (frv_legitimize_address): New.
3214
3215         * config/frv/frv.md ("movsi"): Call frv_emit_move.
3216         ("movqi"): Same.
3217         ("movhi"): Same.
3218         ("movdi"): Same.
3219         ("movsf"): Same.
3220         ("movdf"): Same.
3221
3222 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3223
3224         * c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
3225         system headers.
3226
3227 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3228
3229         * c-decl.c (pushdecl): When an extern declaration at block scope
3230         refers to a visible entity with internal linkage, use the old DECL
3231         rather than the new one.
3232
3233 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3234
3235         * tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
3236         comments.
3237
3238 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3239
3240         * tree-cfg.c (thread_jumps): Remove a duplicate check for
3241         an infinite loop.
3242
3243 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3244
3245         * tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
3246         of FOR_BB_BETWEEN.  Remove a useless check for unreachable
3247         blocks.
3248
3249 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3250
3251         * tree-cfg.c (cleanup_tree_cfg): Don't call
3252         delete_unreachable_blosk() after thread_jumps().
3253         (thread_jumps): Always remove basic blocks as they become
3254         unreachable.
3255
3256 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3257
3258         * tree-cfg.c (cleanup_tree_cfg): Remove variable
3259         something_changed.  Simplify the while loop.
3260
3261 2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3262
3263         * builtins.c (expand_builtin_memmove): Delete duplicate code
3264         and accept a tree type for the result.
3265         (expand_builtin_bcopy): Accept a tree type for the result.
3266         (fold_builtin_memmove): Accept an arglist and tree type for
3267         the result.
3268
3269 2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>
3270
3271         * config/s390/s390.c (s390_dump_pool): Remove return value.
3272         Use gen_pool_align, gen_pool_section_start/end instead of
3273         gen_pool_start/end_31/64.
3274         * config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
3275         (UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
3276         ("pool_start_31", "pool_end_31"): Remove.
3277         ("pool_start_64", "pool_end_64"): Likewise.
3278         ("pool_align", "pool_section_start", "pool_section_end": New insns.
3279
3280         * config/s390/s390.c (s390_cannot_copy_insn_p): New function.
3281         (TARGET_CANNOT_COPY_INSN_P): Define.
3282         (s390_cannot_force_const_mem): Handle UNSPEC_INSN.
3283         (struct constant_pool): New member 'execute'.
3284         (s390_add_execute, s390_find_execute): New functions.
3285         (s390_execute_label, s390_execute_target): Likewise.
3286         (s390_dump_pool): Output in-pool execute target templates.
3287         (s390_dump_execute): New function.
3288         (s390_alloc_pool, s390_free_pool): Handle execute templates.
3289         (s390_mainpool_start, s390_mainpool_finish): Likewise.
3290         (s390_chunkify_start, s390_chunkify_finish): Likewise.
3291         * config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
3292         ("*execute"): New insn pattern.
3293         ("movmem_short", "*movmem_short"): Use splitters to generate
3294         explicit execute pattern, remove embedded execute.
3295         ("clrmem_short", "*clrmem_short"): Likewise.
3296         ("cmpmem_short", "*cmpmem_short"): Likewise.
3297
3298 2004-10-05  Daniel Berlin  <dberlin@dberlin.org>
3299
3300         * tree-ssa.c (verify_ssa): Verify phi arguments only
3301         contain renamed names.
3302
3303 2004-10-05  Alan Modra  <amodra@bigpond.net.au>
3304
3305         * config/rs6000/linux.h: Formatting, whitespace.
3306         * config/rs6000/linux64.h: Likewise.
3307         * config/rs6000/rs6000-protos.h: Likewise.
3308         * config/rs6000/rs6000.c: Likewise.
3309         (easy_vector_splat_const): Add fall thru comments.
3310         (output_vec_const_move): Likewise.
3311
3312 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
3313
3314         * Makefile.in: Update -Wno-error exceptions for move to build dir.
3315
3316 2004-10-05  Chao-Ying Fu  <fu@mips.com>
3317             Richard Sandiford  <rsandifo@redhat.com>
3318
3319         * doc/invoke.texi (-mpaired-single): Link to the new description of the
3320         built-in functions.  Document dependencies.
3321         (-mips3d): Add link here too.
3322         * doc/extend.texi (MIPS Paired-Single Support): New section.
3323
3324 2004-10-04  Chao-ying Fu  <fu@mips.com>
3325
3326         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.
3327
3328 2004-10-04  Diego Novillo  <dnovillo@redhat.com>
3329
3330         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
3331         Initialize OPT_STATS to 0.
3332
3333 2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>
3334
3335         * tree-data-ref.c: Fix comment typos.
3336
3337 2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>
3338
3339         * tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
3340         the predicate cannot be computed, don't initialize the result to
3341         false.
3342
3343 2004-10-01  Eric Christopher  <echristo@redhat.com>
3344
3345         * dwarf2.h (dwarf_calling_convention): Add GNU prefix to
3346         locally defined enum.
3347         * dwarf2out.c (add_calling_convention_attribute): Don't
3348         emit DW_CC_normal.
3349
3350 2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
3351
3352         PR c/17178, PR c/17820
3353         * c-decl.c (pop_scope): Do not warn about unused static
3354         variables as they warned in the middle-end.
3355
3356 2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3357
3358         * builtins.c (expand_builtin_memcpy): Delete duplicate code
3359         and make the first parameter the expression not the arglist.
3360
3361 2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>
3362
3363         * expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
3364         as valid modes to expand address expressions.
3365
3366 2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3367
3368         * c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
3369         c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
3370         c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
3371         code formatting conventions.
3372
3373 2004-10-03  Richard Sandiford  <rsandifo@redhat.com>
3374
3375         * config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.
3376
3377 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
3378
3379         PR tree-optimization/16632
3380         * fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
3381         fold (A & C) == D into 0, fold ~C.  Similarly, for the case
3382         where | is used instead of &.
3383
3384 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
3385
3386         * ginclude/stddef.h: Fix a comment typo.
3387
3388 2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3389
3390         PR target/17443
3391         * config.gcc (i?86-*-solaris2*): Restore correct logic
3392         for --enable-threads option.
3393         (sparc64-*-solaris2*): Likewise.
3394         (sparc-*-solaris2*): Likewise.
3395
3396 2004-10-03  Alan Modra  <amodra@bigpond.net.au>
3397
3398         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
3399         (OS_MISSING_POWERPC64): Move, and comment.
3400         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
3401         (OS_MISSING_POWERPC64): Move, and comment.
3402
3403 2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>
3404
3405         * arm.c (output_call_mem): Add missing \t.
3406
3407 2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3408
3409         * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
3410         expand_builtin_strncmp): Delete duplicate code.
3411
3412 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
3413
3414         * tree-mudflap.c (mf_build_check_statement_for): Reorganize to
3415         take check-base and -limit arguments.
3416         (mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
3417         check ranges for ARRAY_REF and COMPONENT_REF.
3418         (execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
3419         instrumentation.
3420
3421 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
3422
3423         * c-objc-common.c (c_tree_printer): Correct description of %E.
3424         Don't fall through after printing an expression.
3425
3426 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
3427
3428         * tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.
3429
3430 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
3431
3432         * tree-cfg.c (cleanup_tree_cfg): Speed up by calling
3433         delete_unrechable_blocks() only when necessary.
3434
3435 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
3436
3437         * gthr-tpf.h (__gthread_recursive_mutex_t): New type.
3438         (__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
3439         (__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
3440         __gthread_recursive_mutex_unlock): New functions.
3441
3442 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
3443
3444         * config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
3445         * config/s390/tpf-eh.c: Remove file.
3446         * config/s390/tpf-unwind.h: New file.
3447         * config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
3448         (MD_UNWIND_SUPPORT): Define.
3449
3450 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
3451
3452         * c-typeck.c (warn_for_assignment): Don't permit argnum == 0.
3453
3454 2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>
3455
3456         * config/s390/s390-protos.h (s390_comparison): Add prototype.
3457         * config/s390/s390.c (s390_comparison): New function.
3458         (s390_branch_condition_mask): Return -1 for invalid comparisons.
3459         (s390_branch_condition_mnemonic): Assert valid comparison.
3460         * config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
3461         * config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
3462         "*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
3463         s390_comparison instead of comparison_operator.
3464
3465         * config/s390/s390.md (UNSPEC_CMPINT): New constant.
3466         ("cmpmemdi"): Remove.
3467         ("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
3468         ("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
3469         ("cmpint_si"): Rename to ...
3470         ("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
3471         ("cmpint_di", "*cmpint_di"): Likewise.
3472         * config/s390/s390.c (s390_canonicalize_comparison): Remove
3473         redundant UNSPEC_CMPINT conversions.
3474         (s390_expand_cmpmem): Adapt to cmpint pattern changes.
3475
3476 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
3477
3478         * collect2.c (COLLECT_PARSE_FLAG): Remove.
3479         (main): Remove a reference to COLLECT_PARSE_FLAG
3480         * system.h: Poison COLLECT_PARSE_FLAG.
3481         * doc/tm.texi (COLLECT_PARSE_FLAG): Remove.
3482
3483 2004-10-01  Paul Brook  <paul@codesourcery.com>
3484
3485         * config/arm/crti.asm: Give _init and _fini function type.
3486
3487 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
3488
3489         * common.opt (ftree-loop-ivcanon): Enable by default.
3490         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3491         Enable complete loop unrolling.
3492         (canonicalize_induction_variables, tree_unroll_loops_completely):
3493         Reset scev info.
3494
3495 2004-10-01  Paul Brook  <paul@codesourcery.com>
3496
3497         * config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
3498         not register number.
3499         (thumb_find_work_register): Search full register range.
3500
3501 2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
3502
3503         PR tree-opt/17343
3504         * tree-cfg.c (group_case_labels): Get the label and not
3505         the case expr for the default case.
3506         When the label we looking at is the default, decrement the
3507         new_size.
3508
3509 2004-10-01  Jan Hubicka  <jh@suse.cz>
3510
3511         * c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
3512         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3513         * toplev.h (tree_rest_of_compilation): Update prototype.
3514         * tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.
3515
3516 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
3517
3518         * tree-cfg.c (cleanup_tree_cfg): Pull a call to
3519         cleanup_control_flow() out of the while loop.
3520
3521 2004-10-01  Paolo Bonzini  <bonzini@gnu.org>
3522
3523         * tree-vectorizer.c (vectorizable_operation): Fail unless
3524         the mode for the vector type is indeed a vector mode.
3525
3526 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
3527
3528         * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
3529         chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
3530         of convert.
3531         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3532         add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
3533         follow_ssa_edge_in_rhs): Ditto.
3534         * tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
3535         (dump_iv): Dump base_object.
3536         (dump_use, dump_cand): Use dump_iv.
3537         (determine_base_object): New function.
3538         (alloc_iv): Initialize base_object field.
3539         (record_use): Clear the ssa_name field of iv.
3540         (get_computation_cost_at): Do not use difference of addresses of
3541         two different objects.
3542         (may_eliminate_iv): Do not require the loop to have just single exit.
3543         * tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
3544         (nonzero_p): New function.
3545         (inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
3546         tree_simplify_using_condition, simplify_using_initial_conditions,
3547         loop_niter_by_eval, find_loop_niter_by_eval,
3548         estimate_numbers_of_iterations_loop, compare_trees,
3549         upper_bound_in_type, lower_bound_in_type,
3550         can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
3551         fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
3552         instead of integer_(non)zerop.
3553
3554 2004-10-01  Jakub Jelinek  <jakub@redhat.com>
3555
3556         Revert
3557         2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3558
3559         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
3560         and TI_VA_LIST_FPR_COUNTER_FIELD.
3561         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
3562         * tree-pass.h (pass_stdarg): Add.
3563         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
3564         * tree-stdarg.c: New file.
3565         * Makefile.in (OBJS-common): Add tree-stdarg.o.
3566         (tree-stdarg.o): Add dependencies.
3567         * function.h (struct function): Add va_list_gpr_size and
3568         va_list_fpr_size fields.
3569         * function.c (allocate_struct_function): Initialize them.
3570
3571         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
3572         va_list_{g,f}pr_counter_field.
3573         (ix86_setup_incoming_varargs): Don't do anything if reg_save
3574         area will not be used.  Only save registers that tree-stdarg.c
3575         detected they need saving.
3576         (ix86_va_start): Don't set up fields that won't be used.
3577
3578         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
3579         va_list_{g,f}pr_counter_field.
3580         (setup_incoming_varargs): Don't do anything if reg_save
3581         area will not be used.  Only save registers that tree-stdarg.c
3582         detected they need saving.
3583         (rs6000_va_start): Don't set up fields that won't be used.
3584
3585 2004-09-30  Eric Christopher  <echristo@redhat.com>
3586
3587         * dwarf2.h (dwarf_calling_convention): Add enum for renesas
3588         sh abi.
3589         * dwarf2out.c (add_calling_convention_attribute): New function.
3590         (gen_subroutine_type_die): Use.
3591         * target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
3592         * target.h (gcc_target): Add dwarf_calling_convention.
3593         * hooks.c (hook_int_tree_0): New function.
3594         * hooks.h: Prototype.
3595         * config/sh/sh.c: Include dwarf2.h.
3596         (sh_dwarf_calling_convention): New function.
3597         (TARGET_DWARF_CALLING_CONVENTION): Use.
3598         * doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.
3599
3600 2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3601
3602         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
3603         expand_builtin_strrchr, expand_builtin_strpbrk,
3604         expand_builtin_strncat, expand_builtin_strspn,
3605         expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
3606         code.
3607
3608 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
3609
3610         * config/s390/s390-protos.h (s390_expand_logical_operator): Add
3611         prototype.
3612         (s390_logical_operator_ok_p): Likewise.
3613         * config/s390/s390.c (s390_expand_logical_operator): New function.
3614         (s390_logical_operator_ok_p): Likewise.
3615         * config/s390/s390.md ("anddi3"): New expander.
3616         ("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
3617         ("*anddi3_ss", "*anddi3_ss_inv"): Remove.
3618         ("andsi3"): Use s390_expand_logical_operator.
3619         ("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
3620         ("*andsi3_ss", "*andsi3_ss_inv"): Remove.
3621         ("andhi3"): New expander.
3622         ("*andhi3_zarch", "*andhi3_esa"): New patterns.
3623         ("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
3624         ("andqi3"): New expander.
3625         ("*andqi3_zarch", "*andqi3_esa"): New patterns.
3626         ("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
3627         ("iordi3"): New expander.
3628         ("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
3629         ("*iordi3_ss", "*iordi3_ss_inv"): Remove.
3630         ("iorsi3"): Use s390_expand_logical_operator.
3631         ("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
3632         ("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
3633         ("iorhi3"): New expiorer.
3634         ("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
3635         ("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
3636         ("iorqi3"): New expiorer.
3637         ("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
3638         ("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
3639         ("xordi3"): New expander.
3640         ("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
3641         ("*xordi3_ss", "*xordi3_ss_inv"): Remove.
3642         ("xorsi3"): New expander.
3643         ("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
3644         ("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
3645         ("xorhi3"): New expander.
3646         ("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
3647         ("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
3648         ("xorqi3"): New expander.
3649         ("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
3650         ("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.
3651
3652 2004-09-30  Roger Sayle  <roger@eyesopen.com>
3653
3654         * combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
3655         (AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
3656         machine mode as the result.
3657
3658 2004-09-30  Ben Elliston  <bje@au.ibm.com>
3659
3660         PR bootstrap/17761
3661         * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
3662         FOR_EACH_EDGE macros.
3663
3664 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
3665
3666         * c-tree.h (readonly_error): Remove.
3667         * c-typeck (enum lvalue_use): New.
3668         (lvalue_or_else, readonly_error): Use it.  All callers changed.
3669         (readonly_error): Make static.
3670
3671 2004-09-30  Jan Hubicka  <jh@suse.cz>
3672
3673         PR debug/13974
3674         * cfgrtl.c (try_redirect_by_replacing_jump,
3675         force_nonfallthru_and_redirect, commit_one_edge_insertion,
3676         cfg_layout_merge_blocks):  Do not attach any line number information
3677         to newly inserted instructions.
3678         * emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
3679         emit_insn_*_noloc.
3680         (emit_*insn_before, emit_insn*_after): New.
3681         (emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
3682         existing locators.
3683         * rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
3684         (emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.
3685
3686 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
3687
3688         * config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
3689         (s390_return_address_offset): Remove.
3690         (s390_can_eliminate): Add prototype.
3691         (s390_initial_elimination_offset): Add prototype.
3692         * config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
3693         (INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
3694         * config/s390/s390.c (s390_arg_frame_offset): Remove.
3695         (s390_return_address_offset): Remove.
3696         (s390_can_eliminate, s390_initial_elimination_offset): New functions.
3697         (struct machine_function): New member split_branches_pending_p.
3698         (s390_mainpool_start): Allow nonexistant pool insn for empty pool.
3699         (s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
3700         (s390_optimize_prologue): Remove base_used argument.  Call
3701         s390_update_frame_layout instead of s390_register_info.  Handle
3702         prologue/epilogue insns that touch only RETURN_REGNUM.
3703         (s390_reorg): Remove base_used.  Clear split_branches_pending_p.
3704         (s390_register_info): Remove base_used and return_addr_used
3705         arguments, compute special register usage inline.  Return live
3706         register data to caller.
3707         (s390_frame_info): Remove arguments, do not call s390_register_info.
3708         (s390_init_frame_layout): New function.
3709         (s390_update_frame_layout): Likewise.
3710         (s390_emit_prologue): Call s390_update_frame_layout; some code
3711         move to there.  Do not emit pool placeholder insn if unnecessary.
3712
3713 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
3714
3715         * config/s390/s390.c (legitimate_reload_constant_p): Remove
3716         floating point constant workaround.
3717         (s390_secondary_input_reload_class): Handle PLUS reloads
3718         with too-large constant.
3719         (s390_expand_plus_operand): Likewise.
3720         * config/s390/s390.md ("movdi"): Do not call force_const_mem.
3721         ("movsi"): Likewise.  Also, remove workaround for non-general
3722         operands.
3723         ("movdf"): Do not call force_const_mem.
3724         ("movsf"): Likewise.  Merge expander with *movsf insn.
3725         ("*movsf"): Remove, merge with movsf expander.
3726
3727 2004-09-30  Paul Brook  <paul@codesourcery.com>
3728
3729         * config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
3730         (ENDFILE_SPEC): Define.
3731         * config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.
3732
3733 2004-09-30  Richard Henderson  <rth@redhat.com>
3734
3735         * config/alpha/qrnnd.asm: Mark for noexecstack.
3736
3737 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
3738
3739         * protoize.c, tree-cfg.c: Fix comment typos.
3740
3741 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
3742
3743         PR c/17730
3744         * c-typeck.c (lvalue_or_else): Pass msgid directly to error.
3745
3746 2004-09-30  Diego Novillo  <dnovillo@redhat.com>
3747
3748         * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
3749         expressions...
3750         (add_pointed_to_expr): ... here.
3751         Call add_pointed_to_expr for variables with DECL_INITIAL set.
3752         * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
3753         pointer variable, if set.
3754
3755 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
3756
3757         * config/sh/sh.c: Follow spelling conventions.
3758
3759 2004-09-29  Richard Henderson  <rth@redhat.com>
3760
3761         * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
3762         * doc/tm.texi (DWARF_ZERO_REG): New.
3763
3764         * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
3765         alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
3766         * config/alpha/alpha.h (DWARF_ZERO_REG): New.
3767
3768 2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>
3769
3770         * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
3771         with a PLUS as source operand.
3772         (expand_movstr): Likewise.
3773         (expand_builtin_stpcpy): Likewise.
3774
3775 2004-09-29  Richard Henderson  <rth@redhat.com>
3776
3777         PR 17739
3778         * tree-gimple.c (is_gimple_reg): Reject hard registers.
3779         (is_gimple_asm_val): New.
3780         * tree-gimple.h (is_gimple_asm_val): Declare.
3781         * gimplify.c (gimplify_asm_expr): Use it.
3782         * tree-pretty-print.c (print_declaration): Dump hard regs.
3783         * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
3784         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
3785         * tree-ssa-pre.c (is_undefined_value): Likewise.
3786         * tree-ssa-copy.c (may_propagate_copy): Likewise.
3787         (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
3788         * tree-ssa.c (warn_uninit): Likewise.
3789         * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
3790
3791 2004-09-29  Fariborz Jahanian <fjahanian@apple.com>
3792
3793         * c-decl.c (merge_decls): Use comptype when comparing
3794         types to decide on DECL_SIZE save of olddecl.
3795
3796 2004-09-29  Daniel Berlin  <dberlin@dberlin.org>
3797
3798         * tree.h (INDIRECT_REF_P): New macro.
3799         * alias.c (get_alias_set): Use it
3800         (nonoverlapping_memrefs_p): Ditto.
3801         * emit-rtl.c (mem_expr_equal_p): Ditto.
3802         (set_mem_attributes_minus_bitpos): Ditto.
3803         (is_gimple_addressable): Ditto.
3804         (get_base_address): Ditto.
3805         * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
3806         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
3807         * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
3808         * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
3809         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
3810         (add_address_candidates): Ditto.
3811         (rewrite_address_base): Ditto.
3812
3813 2004-09-30  Ben Elliston  <bje@au.ibm.com>
3814
3815         * tree-flow.h (struct bb_ann_d): Remove num_preds member.
3816         * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
3817         (rewrite_ssa_into_ssa): Likewise.
3818         * tree-phinodes.c (create_phi_node): Access the number of
3819         predecessor edges using EDGE_COUNT() and not num_preds.
3820
3821 2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>
3822
3823         PR c/7425
3824         * c-decl.c (merge_decls): Merge TREE_DEPRECATED.
3825
3826 2004-09-29  Eric Christopher  <echristo@redhat.com>
3827
3828         * fold-const.c (tree_swap_operands_p): Remove duplicated code.
3829
3830 2004-09-29  Hans-Peter Nilsson  <hp@axis.com>
3831
3832         * config/cris/cris.md (moverside, movemside): With MEM, make sure
3833         the address is (plus reg mem).
3834
3835 2004-09-29  David Edelsohn  <edelsohn@gnu.org>
3836
3837         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
3838
3839 2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>
3840
3841         * tree.c (make_node_stat): Fix uninitialized warning.  Replace
3842         cascaded if ... else if with a switch.
3843
3844 2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3845
3846         * read-rtl.c (apply_macro_to_string): Replace index with strchr.
3847
3848 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3849
3850         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
3851         and TI_VA_LIST_FPR_COUNTER_FIELD.
3852         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
3853         * tree-pass.h (pass_stdarg): Add.
3854         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
3855         * tree-stdarg.c: New file.
3856         * Makefile.in (OBJS-common): Add tree-stdarg.o.
3857         (tree-stdarg.o): Add dependencies.
3858         * function.h (struct function): Add va_list_gpr_size and
3859         va_list_fpr_size fields.
3860         * function.c (allocate_struct_function): Initialize them.
3861
3862         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
3863         va_list_{g,f}pr_counter_field.
3864         (ix86_setup_incoming_varargs): Don't do anything if reg_save
3865         area will not be used.  Only save registers that tree-stdarg.c
3866         detected they need saving.
3867         (ix86_va_start): Don't set up fields that won't be used.
3868
3869         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
3870         va_list_{g,f}pr_counter_field.
3871         (setup_incoming_varargs): Don't do anything if reg_save
3872         area will not be used.  Only save registers that tree-stdarg.c
3873         detected they need saving.
3874         (rs6000_va_start): Don't set up fields that won't be used.
3875
3876 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3877
3878         * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
3879         BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
3880         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
3881         BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
3882         * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
3883         ATTR_NONNULL_1_4): New.
3884
3885 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3886
3887         PR tree-optimization/17697
3888         * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
3889         cfg if needed.
3890
3891 2004-09-28  Per Bothner  <per@bothner.com>
3892
3893         * profile.c (branch_prob): Pass correct value to output_location,
3894         even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.
3895
3896 2004-09-28  Richard Henderson  <rth@redhat.com>
3897
3898         PR 15089
3899         * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
3900         * tree-flow.h (may_propagate_copy_into_asm): Declare.
3901         * tree-ssa-ccp.c (replace_uses_in): Use it.
3902         * tree-ssa-dom.c (cprop_operand): Likewise.
3903
3904 2004-09-28 Jeff Law  <law@redhat.com>
3905
3906         * tree-ssa-threadupdate.c (create_block_for_threading):  Request
3907         that no outgoing edges be left in the duplicate block.  Do no
3908         update information on outgoing edges or PHI nodes in target
3909         blocks here.
3910         (remove_ctrl_stmt_and_useless_edges): Renamed from
3911         remove_last_stmt_and_useless_edges.  Handle case where the
3912         block is empty or has no control statements.  Do not update edge
3913         flags here.
3914         (thread_block): Create a template block rather than copying the
3915         original block every time.  Create outgoing edges from the
3916         duplicate blocks and update PHIs at the target of the outgoing
3917         edges here.  Fix edge flags for the original block if necessary.
3918         * cfghooks (duplicate_block): No longer assert that the original
3919         block has incoming edges.
3920
3921 2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>
3922
3923         * doc/extend.texi (Extended Asm): Add blurb about using Explicit
3924         Reg Vars to enforce register allocation with general constraints.
3925         (Explicit Reg Vars): Clarify relation to asm statements.
3926         (Local Reg Vars): Similar.
3927
3928 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3929
3930         * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
3931         TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
3932         build_control_flow, new_edge): Remove.
3933         (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
3934         (bitlst, bitlst_table_last, bitlst_table): Remove.
3935         (bblst): Store basic_block pointer instead of block index.
3936         (bblst_table): Likewise.
3937         (edgelst): Store edge pointer instead of edge index.
3938         (edgelst_table, edgelst_last): New variables.
3939         (extract_bitlst): Rename to ...
3940         (extract_edgelst): ... this.  Return edge pointers, not indices.
3941         (split_edges): Update call.
3942         (rgn_edges): Store edge pointers instead of indices.
3943         (edge_to_bit): Remove.
3944         (EDGE_TO_BIT): Store per-region edge index in edge->aux.
3945         (SET_EDGE_TO_BIT): New macro.
3946         (is_cfg_nonregular): Check for simple cases of unreachable blocks.
3947         (find_rgns): Remove edge_list parameter.  Traverse standard CFG
3948         data structures instead of haifa_edge et al.  Use edge pointers
3949         instead of edge indices everywhere.
3950         (compute_dom_prob_ps): Use standard CFG data structures.  Account
3951         for exit edges.
3952         (compute_trg_info): Likewise.
3953         (propagate_deps): Likewise.
3954         (debug_candidate): Account for bblst data structure change.
3955         (check_live_1, update_live_1, is_pfree): Likewise.
3956         (IS_REACHABLE): Use standard CFG data structures.
3957         (init_ready_list): Update bblst_table/edgelst_table allocation.
3958         (schedule_region): Update alloc/cleanup code to data structure
3959         changes.  Use edge->aux to store per-region edge index.
3960         (init_regions): No longer call build_control_flow.  Do not
3961         create edge list any more.
3962
3963 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3964
3965         * cse.c (cse_insn): Avoid creating direct non-local jumps.
3966         * combine.c (can_combine_p): Likewise.
3967         * local-alloc. (update_equiv_regs): Likewise.
3968
3969 2004-09-28  Richard Henderson  <rth@redhat.com>
3970
3971         PR 17531
3972         * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
3973         Don't check VOIDmode here.  Force PLUS operands to common type.
3974         (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
3975         Pmode if given a non pointer type.
3976
3977 2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3978
3979         PR 17531
3980         * optabs.c (expand_binop): Force constants to the correct mode.
3981
3982 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3983
3984         * config/s390/s390.c (s390_adjust_cost): Remove.
3985         (TARGET_SCHED_ADJUST_COST): Do not redefine.
3986         (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
3987         * config/s390/s390.md ("main_pool"): Use "larl" type
3988         attribute if TARGET_CPU_ZARCH.
3989
3990 2004-09-28  Jakub Jelinek  <jakub@redhat.com>
3991
3992         * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
3993         variable.
3994
3995 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3996
3997         * tree-ssa-loop.c (pass_record_bounds): Do not assign a
3998         name to the pass.
3999
4000 2004-09-28  Steven Bosscher  <stevenb@suse.de>
4001
4002         * common.opt (flag_gcse_sm): Disable by default.
4003         (flag_gcse_las): Likewise.
4004         (flag_web): Likewise.  Create from this file.
4005         * flags.h: Remove flag_web declaration.
4006         * toplev.c (flag_web): Likewise.
4007         (process_options): Never set flag_web.
4008
4009 2004-09-28  Steven Bosscher  <stevenb@suse.de>
4010
4011         * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
4012         * tree-ssa-propagate.c: Include vec.h.
4013         (interesting_ssa_edges, varying_ssa_edges): Make these VECs
4014         instead of varrays.
4015         (cfg_blocks_add): Assert the block is not already in the worklist.
4016         Update uses of interesting_ssa_edges and varying_ssa_edges.
4017         (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
4018         ssa_propagate): Likewise.
4019
4020 2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>
4021
4022         PR c/16409
4023         * c-decl.c (start_decl): Check for initializing incomplete array
4024         of VLAs.
4025         (build_compound_literal): Check for TYPE being error_mark_node.
4026         * c-parse.in (primary): Check for VLA compound literals.
4027
4028 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
4029
4030         * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
4031         with --disable-checking.
4032
4033 2004-09-28  Devang Patel  <dpatel@apple.com>
4034
4035         * tree-pretty-print.c (dump_generic_node): Print vector types.
4036
4037 2004-09-28  Nick Clifton  <nickc@redhat.com>
4038
4039         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
4040         invocation of the function sh_init_cumulative_args.
4041         (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
4042         (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
4043         * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
4044         * config/sh/sh.c (sh_init_cumulative_args): New function based
4045         on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
4046         heuristic added to determine the setting of force_mem when a
4047         library function is being called.
4048
4049 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
4050
4051         * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
4052         Skip constant arguments.
4053
4054 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
4055
4056         * tree-ssa-alias.c (create_name_tags): If PTR points to a
4057         volatile type, mark the tag volatile.
4058         (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
4059         volatile.
4060
4061 2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>
4062
4063         * tree.def (vec_cond_expr): Fix. Change 'e'
4064         to tcc_expression.
4065
4066 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
4067
4068         * basic-block.h: Fix a comment typo.
4069
4070 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
4071
4072         * optabs.c, optabs.h: Fix comment typos.
4073
4074 2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>
4075
4076         * config/sparc/sparc.md (call_address_struct_value_sp32):
4077         Properly mask the immediate field of the 'unimp' instruction.
4078         (call_symbolic_struct_value_sp32): Likewise.
4079
4080 2004-09-28  Ben Elliston  <bje@au.ibm.com>
4081             Steven Bosscher  <stevenb@suse.de>
4082             Andrew Pinski  <pinskia@physics.uc.edu>
4083
4084         Merge from edge-vector-branch:
4085         * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
4086         (struct edge_def): Remove pred_next, succ_next members.
4087         (struct basic_block_def): Remove pred, succ members.  Add preds
4088         and succs members of type VEC(edge).
4089         (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
4090         (BRANCH_EDGE): Likewise.
4091         (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
4092         (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
4093         (edge_iterator): New.
4094         (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
4095         (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
4096         (FOR_EACH_EDGE): New.
4097         * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
4098         where applicable.
4099         (rotate_loop): Likewise.
4100         (find_traces_1_route): Likewise.
4101         (bb_to_key): Likewise.
4102         (connect_traces): Likewise.
4103         (copy_bb_p): Likewise.
4104         (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
4105         (add_labels_and_missing_jumps): Likewise.
4106         (fix_up_fall_thru_edges): Likewise.
4107         (find_jump_block): Likewise.
4108         (fix_crossing_conditional_branches): Likewise.
4109         (fix_crossing_unconditional_branches): Likewise.
4110         (add_reg_crossing_jump_notes): Likewise.
4111         * bt-load.c (augment_live_range): Likewise.
4112         * cfg.c (clear_edges): Likewise.
4113         (unchecked_make_edge): Likewise.
4114         (cached_make_edge): Likewise.
4115         (make_single_succ_edge): Likewise.
4116         (remove_edge): Likewise.
4117         (redirect_edge_succ_nodup): Likewise.
4118         (check_bb_profile): Likewise.
4119         (dump_flow_info): Likewise.
4120         (alloc_aux_for_edges): Likewise.
4121         (clear_aux_for_edges): Likewise.
4122         (dump_cfg_bb_info): Likewise.
4123         * cfganal.c (forwarder_block_p): Likewise.
4124         (can_fallthru): Likewise.
4125         (could_fall_through): Likewise.
4126         (mark_dfs_back_edges): Likewise.
4127         (set_edge_can_fallthru_flag): Likewise.
4128         (find_unreachable_blocks): Likewise.
4129         (create_edge_list): Likewise.
4130         (verify_edge_list): Likewise.
4131         (add_noreturn_fake_exit_edges): Likewise.
4132         (connect_infinite_loops_to_exit): Likewise.
4133         (flow_reverse_top_sort_order_compute): Likewise.
4134         (flow_depth_first_order_compute): Likewise.
4135         (flow_preorder_transversal_compute): Likewise.
4136         (flow_dfs_compute_reverse_execute): Likewise.
4137         (dfs_enumerate_from): Likewise.
4138         (compute_dominance_frontiers_1): Likewise.
4139         * cfgbuild.c (make_edges): Likewise.
4140         (compute_outgoing_frequencies): Likewise.
4141         (find_many_sub_basic_blocks): Likewise.
4142         (find_sub_basic_blocks): Likewise.
4143         * cfgcleanup.c (try_simplify_condjump): Likewise.
4144         (thread_jump): Likewise.
4145         (try_forward_edges): Likewise.
4146         (merge_blocks_move): Likewise.
4147         (outgoing_edges_match): Likewise.
4148         (try_crossjump_to_edge): Likewise.
4149         (try_crossjump_bb): Likewise.
4150         (try_optimize_cfg): Likewise.
4151         (merge_seq_blocks): Likewise.
4152         * cfgexpand.c (expand_gimple_tailcall): Likewise.
4153         (expand_gimple_basic_block): Likewise.
4154         (construct_init_block): Likewise.
4155         (construct_exit_block): Likewise.
4156         * cfghooks.c (verify_flow_info): Likewise.
4157         (dump_bb): Likewise.
4158         (delete_basic_block): Likewise.
4159         (split_edge): Likewise.
4160         (merge_blocks): Likewise.
4161         (make_forwarder_block): Likewise.
4162         (tidy_fallthru_edges): Likewise.
4163         (can_duplicate_block_p): Likewise.
4164         (duplicate_block): Likewise.
4165         * cfglayout.c (fixup_reorder_chain): Likewise.
4166         (fixup_fallthru_exit_predecessor): Likewise.
4167         (can_copy_bbs_p): Likewise.
4168         (copy_bbs): Likewise.
4169         * cfgloop.c (flow_loops_cfg_dump): Likewise.
4170         (flow_loop_entry_edges_find): Likewise.
4171         (flow_loop_exit_edges_find): Likewise.
4172         (flow_loop_nodes_find): Likewise.
4173         (mark_single_exit_loops): Likewise.
4174         (flow_loop_pre_header_scan): Likewise.
4175         (flow_loop_pre_header_find): Likewise.
4176         (update_latch_info): Likewise.
4177         (canonicalize_loop_headers): Likewise.
4178         (flow_loops_find): Likewise.
4179         (get_loop_body_in_bfs_order): Likewise.
4180         (get_loop_exit_edges): Likewise.
4181         (num_loop_branches): Likewise.
4182         (verify_loop_structure): Likewise.
4183         (loop_latch_edge): Likewise.
4184         (loop_preheader_edge): Likewise.
4185         * cfgloopanal.c (mark_irreducible_loops): Likewise.
4186         (expected_loop_iterations): Likewise.
4187         * cfgloopmanip.c (remove_bbs): Likewise.
4188         (fix_bb_placement): Likewise.
4189         (fix_irreducible_loops): Likewise.
4190         (remove_path): Likewise.
4191         (scale_bbs_frequencies): Likewise.
4192         (loopify): Likewise.
4193         (unloop): Likewise.
4194         (fix_loop_placement): Likewise.
4195         (loop_delete_branch_edge): Likewise.
4196         (duplicate_loop_to_header_edge): Likewise.
4197         (mfb_keep_just): Likewise.
4198         (create_preheader): Likewise.
4199         (force_single_succ_latches): Likewise.
4200         (loop_split_edge_with): Likewise.
4201         (create_loop_notes): Likewise.
4202         * cfgrtl.c (rtl_split_block): Likewise.
4203         (rtl_merge_blocks): Likewise.
4204         (rtl_can_merge_blocks): Likewise.
4205         (try_redirect_by_replacing_jump): Likewise.
4206         (force_nonfallthru_and_redirect): Likewise.
4207         (rtl_tidy_fallthru_edge): Likewise.
4208         (commit_one_edge_insertion): Likewise.
4209         (commit_edge_insertions): Likewise.
4210         (commit_edge_insertions_watch_calls): Likewise.
4211         (rtl_verify_flow_info_1): Likewise.
4212         (rtl_verify_flow_info): Likewise.
4213         (purge_dead_edges): Likewise.
4214         (cfg_layout_redirect_edge_and_branch): Likewise.
4215         (cfg_layout_can_merge_blocks_p): Likewise.
4216         (rtl_flow_call_edges_add): Likewise.
4217         * cse.c (cse_cc_succs): Likewise.
4218         * df.c (hybrid_search): Likewise.
4219         * dominance.c (calc_dfs_tree_nonrec): Likewise.
4220         (calc_dfs_tree): Likewise.
4221         (calc_idoms): Likewise.
4222         (recount_dominator): Likewise.
4223         * domwalk.c (walk_dominator_tree): Likewise.
4224         * except.c (emit_to_new_bb_before): Likewise.
4225         (connect_post_landing_pads): Likewise.
4226         (sjlj_emit_function_enter): Likewise.
4227         (sjlj_emit_function_exit): Likewise.
4228         (finish_eh_generation): Likewise.
4229         * final.c (compute_alignments): Likewise.
4230         * flow.c (calculate_global_regs_live): Likewise.
4231         (initialize_uninitialized_subregs): Likewise.
4232         (init_propagate_block_info): Likewise.
4233         * function.c (thread_prologue_and_epilogue_insns): Likewise.
4234         * gcse.c (find_implicit_sets): Likewise.
4235         (bypass_block): Likewise.
4236         (bypass_conditional_jumps): Likewise.
4237         (compute_pre_data): Likewise.
4238         (insert_insn_end_bb): Likewise.
4239         (insert_store): Likewise.
4240         (remove_reachable_equiv_notes): Likewise.
4241         * global.c (global_conflicts): Likewise.
4242         (calculate_reg_pav): Likewise.
4243         * graph.c (print_rtl_graph_with_bb): Likewise.
4244         * ifcvt.c (mark_loop_exit_edges): Likewise.
4245         (merge_if_block): Likewise.
4246         (find_if_header): Likewise.
4247         (block_jumps_and_fallthru_p): Likewise.
4248         (find_if_block): Likewise.
4249         (find_cond_trap): Likewise.
4250         (block_has_only_trap): Likewise.
4251         (find_if_case1): Likewise.
4252         (find_if_case_2): Likewise.
4253         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
4254         (perfect_nestify): Likewise.
4255         * lcm.c (compute_antinout_edge): Likewise.
4256         (compute_laterin): Likewise.
4257         (compute_available): Likewise.
4258         (compute_nearerout): Likewise.
4259         * loop-doloop.c (doloop_modify): Likewise.
4260         * loop-init.c (loop_optimizer_init): Likewise.
4261         * loop-invariant.c (find_exits): Likewise.
4262         * loop-iv.c (simplify_using_initial_values): Likewise.
4263         (check_simple_exit): Likewise.
4264         (find_simple_exit): Likewise.
4265         * loop-unroll.c (peel_loop_completely): Likewise.
4266         (unroll_loop_constant_iterations): Likewise.
4267         (unroll_loop_runtime_iterations): Likewise.
4268         * loop-unswitch.c (may_unswitch_on): Likewise.
4269         (unswitch_loop): Likewise.
4270         * modulo-sched.c (generate_prolog_epilog): Likewise.
4271         (sms_schedule): Likewise.
4272         * postreload-gcse.c (eliminate_partially_redundant_load):
4273         Likewise.
4274         * predict.c (can_predict_insn_p): Likewise.
4275         (set_even_probabilities): Likewise.
4276         (combine_predictions_for_bb): Likewise.
4277         (predict_loops): Likewise.
4278         (estimate_probability): Likewise.
4279         (tree_predict_by_opcode): Likewise.
4280         (tree_estimate_probability): Likewise.
4281         (last_basic_block_p): Likewise.
4282         (propagate_freq): Likewise.
4283         (estimate_loops_at_level): Likewise.
4284         (estimate_bb_frequencies): Likewise.
4285         * profile.c (instrument_edges): Likewise.
4286         (get_exec_counts): Likewise.
4287         (compute_branch_probabilities): Likewise.
4288         (branch_prob): Likewise.
4289         * ra-build.c (live_in): Likewise.
4290         * ra-rewrite.c (rewrite_program2): Likewise.
4291         * ra.c (reg_alloc): Likewise.
4292         * reg-stack.c (reg_to_stack): Likewise.
4293         (convert_regs_entry): Likewise.
4294         (compensate_edge): Likewise.
4295         (convert_regs_1): Likewise,
4296         (convert_regs_2): Likewise.
4297         (convert_regs): Likewise.
4298         * regrename.c (copyprop_hardreg_forward): Likewise.
4299         * reload1.c (fixup_abnormal_edges): Likewise.
4300         * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
4301         (sbitmap_insersection_of_preds): Likewise.
4302         (sbitmap_union_of_succs): Likewise.
4303         (sbitmap_union_of_preds): Likewise.
4304         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
4305         (fix_basic_block_boundaries): Likewise.
4306         (sched_ebbs): Likewise.
4307         * sched-rgn.c (build_control_flow): Likewise.
4308         (find_rgns): Likewise.
4309         * tracer.c (find_best_successor): Likewise.
4310         (find_best_predecessor): Likewise.
4311         (tail_duplicate): Likewise.
4312         * tree-cfg.c (make_edges): Likewise.
4313         (make_ctrl_stmt_edges): Likewise.
4314         (make_goto_expr_edges): Likewise.
4315         (tree_can_merge_blocks_p): Likewise.
4316         (tree_merge_blocks): Likewise.
4317         (cfg_remove_useless_stmts_bb): Likewise.
4318         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4319         (tree_block_forwards_to): Likewise.
4320         (cleanup_control_expr_graph): Likewise.
4321         (find_taken_edge): Likewise.
4322         (dump_cfg_stats): Likewise.
4323         (tree_cfg2vcg): Likewise.
4324         (disband_implicit_edges): Likewise.
4325         (tree_find_edge_insert_loc): Likewise.
4326         (bsi_commit_edge_inserts): Likewise.
4327         (tree_split_edge): Likewise.
4328         (tree_verify_flow_info): Likewise.
4329         (tree_make_forwarder_block): Likewise.
4330         (tree_forwarder_block_p): Likewise.
4331         (thread_jumps): Likewise.
4332         (tree_try_redirect_by_replacing_jump): Likewise.
4333         (tree_split_block): Likewise.
4334         (add_phi_args_after_copy_bb): Likewise.
4335         (rewrite_to_new_ssa_names_bb): Likewise.
4336         (dump_function_to_file): Likewise.
4337         (print_pred_bbs): Likewise.
4338         (print_loop): Likewise.
4339         (tree_flow_call_edges_add): Likewise.
4340         (split_critical_edges): Likewise.
4341         (execute_warn_function_return): Likewise.
4342         (extract_true_false_edges_from_block): Likewise.
4343         * tree-if-conv.c (tree_if_conversion): Likewise.
4344         (if_convertable_bb_p): Likewise.
4345         (find_phi_replacement_condition): Likewise.
4346         (combine_blocks): Likewise.
4347         * tree-into-ssa.c (compute_global_livein): Likewise.
4348         (ssa_mark_phi_uses): Likewise.
4349         (ssa_rewrite_initialize_block): Likewise.
4350         (rewrite_add_phi_arguments): Likewise.
4351         (ssa_rewrite_phi_arguments): Likewise.
4352         (insert_phi_nodes_for): Likewise.
4353         (rewrite_into_ssa): Likewise.
4354         (rewrite_ssa_into_ssa): Likewise.
4355         * tree-mudflap.c (mf_build_check_statement_for): Likewise.
4356         * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
4357         (rewrite_trees): Likewise.
4358         * tree-pretty-print.c (dump_bb_header): Likewise.
4359         (dump_implicit_edges): Likewise.
4360         * tree-sra.c (insert_edge_copies): Likewise.
4361         (find_obviously_necessary_stmts): Likewise.
4362         (remove_data_stmt): Likewise.
4363         * tree-ssa-dom.c (thread_across_edge): Likewise.
4364         (dom_opt_finalize_block): Likewise.
4365         (single_incoming_edge_ignoring_loop_edges): Likewise.
4366         (record_equivalences_from_incoming_edges): Likewise.
4367         (cprop_into_successor_phis): Likewise.
4368         * tree-ssa-live.c (live_worklist): Likewise.
4369         (calculate_live_on_entry): Likewise.
4370         (calculate_live_on_exit): Likewise.
4371         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
4372         (copy_loop_headers): Likewise.
4373         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
4374         (fill_always_executed_in): Likewise.
4375         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
4376         * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
4377         (compute_phi_arg_on_exit): Likewise.
4378         * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
4379         (get_loops_exit): Likewise.
4380         (split_loop_exit_edge): Likewise.
4381         (ip_normal_pos): Likewise.
4382         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4383         Likewise.
4384         * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
4385         (replace_phi_with_stmt): Likewise.
4386         (value_replacement): Likewise.
4387         * tree-ssa-pre.c (compute_antic_aux): Likewise.
4388         (insert_aux): Likewise.
4389         (init_pre): Likewise.
4390         * tree-ssa-propagate.c (simulate_stmt): Likewise.
4391         (simulate_block): Likewise.
4392         (ssa_prop_init): Likewise.
4393         * tree-ssa-threadupdate.c (thread_block): Likewise.
4394         (create_block_for_threading): Likewise.
4395         (remove_last_stmt_and_useless_edges): Likewise.
4396         * tree-ssa.c (verify_phi_args): Likewise.
4397         (verify_ssa): Likewise.
4398         * tree_tailcall.c (independent_of_stmt_p): Likewise.
4399         (find_tail_calls): Likewise.
4400         (eliminate_tail_call): Likewise.
4401         (tree_optimize_tail_calls_1): Likewise.
4402         * tree-vectorizer.c (vect_transform_loop): Likewise.
4403         * var-tracking.c (prologue_stack_adjust): Likewise.
4404         (vt_stack_adjustments): Likewise.
4405         (vt_find_locations): Likewise.
4406         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
4407         * config/i386/i386.c (ix86_pad_returns): Likewise.
4408         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
4409         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
4410
4411 2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
4412
4413         PR target/16532
4414         * config/sparc/sparc.c (struct machine_function): New field
4415         'leaf_function_p' and 'prologue_data_valid_p'.
4416         (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
4417         to conveniently access the above fields.
4418         (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
4419         (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
4420         of the generic flavor 'current_function_uses_only_leaf_regs'.
4421         (eligible_for_sibcall_delay): Likewise.
4422         (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
4423         'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
4424         (sparc_asm_function_prologue): Add sanity check for the assumption
4425         made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
4426         (sparc_can_use_return_insn_p): New function.
4427         (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
4428         (output_restore): Likewise.
4429         (output_sibcall): Likewise.
4430         (sparc_output_mi_thunk): Likewise.
4431         * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
4432         * config/sparc/sparc.md (return): New expander.
4433
4434         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.
4435
4436 2004-09-27  Mark Mitchell  <mark@codesourcery.com>
4437
4438         PR c++/17642
4439         * stor-layout.c (layout_decl): Use fold_convert, not convert.
4440         (bit_from_pos): Likewise.
4441         (byte_from_pos): Likewise.
4442         (pos_from_bit): Likewise.
4443         (normalize_offset): Likewise.
4444         (place_field): Likewise.
4445         (finalize_type_size): Likewise.
4446         (layout_type): Likewise.
4447         * tree.c (build_index_type): Likewise.
4448
4449 2004-09-27  Devang Patel  <dpatel@apple.com>
4450
4451         * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
4452         * genopinit.c (optabs): New entry for vcond_gen_code and
4453         vcondu_gen_code.
4454         * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
4455         (get_rtx_code): New function.
4456         (vector_compare_rtx): New function.
4457         (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
4458         (expand_vec_cond_expr_p): New function.
4459         (expand_vec_cond_expr): New function.
4460         (get_vcond_icode): New function.
4461         * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
4462         (vcond_gen_code, vcondu_gen_code): Same.
4463
4464 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
4465
4466         * Makefile.in (STAGESTUFF): Split into ...
4467         (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
4468         (mostlyclean): Update.
4469         (stage1-start, stage2-start, stage3-start, stage4-start,
4470         stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
4471         Move the STAGEMOVESTUFF.
4472
4473 2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4474
4475         * system.h (getpagesize): Return 'int' instead of 'long'.
4476
4477 2004-09-27  Michael Matz <matz@suse.de>
4478
4479         PR bootstrap/17698
4480         PR bootstrap/17702
4481         * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
4482         bmp_iter_and_init): Shift by bit_in_word.
4483
4484 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
4485
4486         * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
4487         * configure.ac: Don't sinclude it here.
4488         * configure: Regenerate.
4489
4490 2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>
4491
4492         * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
4493         Handle AND pattern
4494
4495 2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>
4496
4497         PR c/13804
4498         * c-typeck.c (build_component_ref): Name type involved in
4499         diagnostic for structure or union without a member of the given
4500         name.
4501
4502 2004-09-27  DJ Delorie  <dj@redhat.com>
4503
4504         * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
4505         .comm alignment is bytes, not bits.
4506
4507 2004-09-27  Devang Patel  <dpatel@apple.com>
4508
4509         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
4510         (print_call_name): Do not print VEC_COND_EXPR.
4511
4512 2004-09-27  Devang Patel  <dpatel@apple.com>
4513
4514         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
4515
4516 2004-09-27  Jan Hubicka  <jh@suse.cz>
4517
4518         * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.
4519
4520 2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>
4521
4522         * bitmap.h: Fix a comment typo.
4523
4524 2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4525
4526         * libgcc2.c (getpagesize): Change type of return value to int.
4527
4528 2004-09-26  Matt Austern  <austern@apple.com>
4529
4530         * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
4531         using mmap.
4532
4533 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4534
4535         * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
4536         EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
4537         (bitmap_iterator): New type.
4538         (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
4539         bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
4540         bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
4541         bmp_iter_and_init, bmp_iter_and_next): New functions.
4542         * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
4543         EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
4544         use iterator-style EXECUTE_IF_IN_BITMAP macros.
4545         * bitmap.c (bitmap_print): Ditto.
4546         * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
4547         btr_def_live_range): Ditto.
4548         * cfganal.c (compute_dominance_frontiers_1) Ditto.
4549         * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
4550         Ditto.
4551         * ddg.c (build_inter_loop_deps): Ditto.
4552         * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
4553         Ditto.
4554         * except.c (remove_eh_handler): Ditto.
4555         * flow.c (reg_set_to_hard_reg_set): Ditto.
4556         * gcse.c (clear_modify_mem_tables): Ditto.
4557         * global.c (build_insn_chain): Ditto.
4558         * ifcvt.c (dead_or_predicable): Ditto.
4559         * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
4560         Ditto.
4561         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
4562         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
4563         detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
4564         * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
4565         tree_purge_all_dead_eh_edges): Ditto.
4566         * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
4567         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
4568         rewrite_ssa_into_ssa): Ditto.
4569         * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
4570         * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
4571         Ditto.
4572         * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
4573         compute_flow_sensitive_aliasing, maybe_create_global_var,
4574         dump_points_to_info_for): Ditto.
4575         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
4576         * tree-ssa-dse.c (dse_finalize_block): Ditto.
4577         * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
4578         calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
4579         Ditto.
4580         * tree-ssa-loop-ivopts.c (find_induction_variables,
4581         find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
4582         determine_use_iv_costs, determine_set_costs, find_best_candidate,
4583         set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
4584         Ditto.
4585         * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
4586         * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
4587         add_call_read_ops): Ditto.
4588         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.
4589
4590 2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4591
4592         * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
4593         UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.
4594
4595 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
4596
4597         * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
4598         reflect size of memory regions being compared.
4599
4600 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
4601
4602         * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
4603         expressions.  Always clear MEM_SIZE and alias set.
4604
4605 2004-09-26  Roger Sayle  <roger@eyesopen.com>
4606             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4607
4608         PR middle-end/17112
4609         * stor-layout.c (compute_record_mode): For records with a single
4610         field, only use the field's mode if its size matches what we'd
4611         have choosen for the record ourselves.  This forces the use of
4612         BLKmode for packed records that don't completely fill a mode.
4613
4614 2004-09-26  Roger Sayle  <roger@eyesopen.com>
4615
4616         PR middle-end/17151
4617         * combine.c (force_to_mode): Remove dubious early return test that
4618         inhibits further optimization.
4619
4620 2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>
4621
4622         * profile.c: Fix a comment typo.
4623
4624 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4625
4626         PR bootstrap/17591
4627         * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
4628         with varying offset.
4629         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
4630         (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
4631         ARRAY_REFS.
4632         (expr_invariant_in_loop_p): New function.
4633         (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
4634         component_ref_field_offset for COMPONENT_REFs.  Do not allow
4635         ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
4636         (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
4637         MISALIGNED_INDIRECT_REFs.
4638         (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
4639         (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
4640         MISALIGNED_INDIRECT_REFs.
4641
4642 2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>
4643
4644         PR c/11459
4645         * gcc.c (cpp_options, cc1_options): Preserve relative order of
4646         -std and -ansi options.
4647
4648 2004-09-26  Jan Hubicka  <jh@suse.cz>
4649
4650         * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
4651         for nested functions whose proper parent has not been output.
4652
4653         * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
4654         when re-constructing profile previously invalidated by loop.
4655
4656 2004-09-25  Dale Johannesen  <dalej@apple.com>
4657
4658         * tree-gimple.c:  Move GIMPLE definition...
4659         * doc/tree-ssa.texi:  here.
4660
4661 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4662
4663         * tree-vectorizer.c: Fix a comment typo.
4664
4665 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4666
4667         * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
4668         gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
4669         lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
4670         tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.
4671
4672 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4673
4674         * tree-ssa-loop-unswitch.c: Fix a comment typo.
4675
4676 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4677
4678         * doc/passes.texi: Fix a typo.
4679
4680 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4681
4682         * tree-optimize.c (init_tree_optimization_passes): Add
4683         pass_record_bounds.
4684         * tree-pass.h (pass_record_bounds): Declare.
4685         * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
4686         New pass.
4687
4688 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4689
4690         PR tree-optimization/17474
4691         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
4692         offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.
4693
4694 2004-09-25  Jan Hubicka  <jh@suse.cz>
4695
4696         * predict.c (counts_to_freqs): Make global.
4697         * predict.h (counts_to_freqa): Declare.
4698         * profile.c (compute_branch_probabilities): Compute frequencies
4699         * tree-profile.c (do_tree_profiling): Refine conditional on when
4700         tree profiling pass is needed.
4701
4702         * passes.c (rest_of_handle_cfg): Disable const/pure function
4703         detection when doing tree based profiling.
4704
4705         * tree-inline.c (expand_call_inline): Fix incorrectly reversed
4706         conditional.
4707
4708 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
4709
4710         * config/mips/mips.h (struct mips_args): Clarify comments.
4711         * config/mips/mips.c (struct mips_arg_info): Likewise.
4712         (mips_arg_info): Don't allow fpr_p to affect the register or
4713         stack alignment.  Remove o64 silliness.
4714         (function_arg): Deal with the o32 float,float case specially.
4715
4716 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
4717
4718         * config/mips/mips.md (loadx, storex): Define for V2SF.
4719
4720 2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>
4721
4722         * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
4723         * config/s390/s390.c (s390_back_chain_rtx): New function.
4724         * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
4725         Call anti_adjust_stack.
4726         ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
4727         only if compiling with back chain.
4728         ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
4729         back chain only if back chain enabled.  Use s390_back_chain_rtx.
4730
4731 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4732
4733         * doc/trouble.texi: Remove obsolete information.  Update
4734         information on how to regenerate fixincluded headers.
4735
4736 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4737
4738         PR c/12951
4739         * doc/invoke.texi: Document that
4740         -Wno-error-implicit-function-declaration is not accepted.
4741
4742 2004-09-24  Richard Henderson  <rth@redhat.com>
4743
4744         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
4745         * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
4746         on TARGET_MAX.
4747         (alpha_expand_mov): Allow unaligned vectors.
4748         (alpha_expand_unaligned_store): Use CONST0_RTX.
4749         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
4750
4751 2004-09-24 Jeff Law  <law@redhat.com>
4752
4753         * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
4754         aliasing rules.
4755         (simplify_cond_and_lookup_avail_expr): Likewise.
4756
4757 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4758
4759         PR c/12802
4760         * doc/extend.texi (Unnamed Fields): Remove "." from end of long
4761         title.  Document interaction with -fms-extensions.
4762         * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
4763         section.
4764
4765 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4766
4767         PR c/12713
4768         * doc/extend.texi: Document interaction of attribute noreturn and
4769         longjmp.
4770
4771 2004-09-24  Richard Henderson  <rth@redhat.com>
4772
4773         PR rtl-opt/17503
4774         * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
4775         (som_hash, som_eq): New.
4776         (init_subregs_of_mode, record_subregs_of_mode): New.
4777         (cannot_change_mode_set_regs): Rewrite for htab implementation.
4778         (invalid_mode_change_p): Likewise.
4779         * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
4780         * flow.c (mark_used_regs): Likewise.
4781         (life_analysis): Use init_subregs_of_mode.
4782         * regs.h (subregs_of_mode): Remove.
4783         * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
4784
4785 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
4786
4787         * tree-ssa-phiopt.c (conditional_replacement): Use the correct
4788         type with the copy of the conditional.
4789
4790 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
4791
4792         PR tree-opt/16954
4793         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4794         Prevent renaming if the aliasing sets of the type which the
4795         pointer points to are different.
4796
4797 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4798
4799         PR c/17188
4800         * c-decl.c (diagnose_mismatched_decls): Check for duplicate
4801         declarations of enumerators.
4802         (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
4803         for redefinition.  Check for nested redefinition.
4804         (finish_struct): Don't check for nested redefinition.
4805         (start_enum): Check for nested redefinition.
4806
4807 2004-09-24  Devang Patel  <dpatel@apple.com>
4808
4809         * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
4810         only when necesssary.
4811         (combine_blocks): Combine loop header and exit block.
4812
4813 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
4814
4815         * hooks.c (hook_tree_tree_bool_null): New.
4816         * hooks.h (hook_tree_tree_bool_null): Declare it.
4817         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
4818         * targhooks.c (default_fold_builtin): Remove.
4819         * targhooks.h (default_fold_builtin): Remove.
4820
4821 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4822
4823         PR rtl-optimization/17625
4824         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
4825
4826 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
4827
4828         PR tree-opt/17624
4829         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
4830         Reject if any of the operands occur in an abnormal PHI.
4831
4832 2004-09-24  Andreas Schwab  <schwab@suse.de>
4833
4834         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
4835         rules.
4836
4837 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4838
4839         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
4840         if the GNU assembler is used.
4841         (sparc-*-solaris2*): Likewise.
4842         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
4843         (dbxout_function_end): Protect N_ENSYM with it.
4844         (dbxout_begin_prologue): Protect N_BNSYM with it.
4845         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
4846         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
4847         * config/sparc/sol2-gas.h: New file.
4848
4849 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
4850
4851         PR bootstrap/17369
4852         * Makefile.in (@set_gcc_lib_path@): Added.
4853
4854         * configure.ac: Include ../config/gcc-lib-path.m4. Use
4855         TL_AC_GNU_MAKE_GCC_LIB_PATH.
4856         * configure: Regenerated.
4857
4858 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4859
4860         PR c/6980
4861         * c-typeck.c (build_c_cast): Improve wording of
4862         -Wbad-function-cast diagnostic.
4863
4864 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
4865
4866         PR target/17626
4867         * config/cris/cris.md (moverside, movemside): Rename variable
4868         "reg" to "otherop".  To generate canonical RTX, check that otherop
4869         isn't constant instead of checking that operand 1 is a register.
4870
4871 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
4872
4873         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
4874
4875 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
4876             Jakub Jelinek  <jakub@redhat.com>
4877
4878         * tree-flow.h (find_new_referenced_vars): Add prototype.
4879         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
4880         Move to...
4881         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
4882         ... here.
4883         (mark_new_vars_to_rename): Walk through all operands.
4884         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
4885         (execute_fold_all_builtins): Use it.
4886         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
4887
4888 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
4889
4890         * gthr-tpf.h: New file.
4891         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
4892         * gthr.h: Use gthr-tpf.h on TPF OS.
4893
4894 2004-09-23 Jeff Law  <law@redhat.com>
4895
4896         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
4897         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
4898         (substitute_and_fold):  Likewise.
4899         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
4900         except invariants from SSA_NAME_VALUE.
4901         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
4902         and SET_SSA_NAME_EQUIV.
4903         (restore_vars_to_original_value, record_const_or_copy): Likewise.
4904         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
4905         (record_equality, cprop_into_successor_phis): Likewise.
4906         (record_equivalences_from_stmt, cprop_operand): Likewise.
4907         (lookup_avail_expr): Likewise.
4908         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
4909         from SSA_NAME_VALUE.
4910         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
4911         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
4912         annotation from the VALUE_HANDLE field.
4913
4914 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
4915
4916         PR c++/13989
4917         PR c++/9844
4918         * tree.c (reconstruct_complex_type): Remove extra "this".
4919         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
4920         Add V4SFmode to case statement.
4921
4922 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
4923
4924         PR c/16833
4925         * doc/extend.texi, doc/invoke.texi: Document interaction of
4926         -fno-builtin with format checks.  Note that built-in functions
4927         have effects beyond generating code that avoids calls to those
4928         functions.
4929
4930 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
4931
4932         PR tree-optimization/17533
4933         * dominance.c (verify_dominators): Tolerate even more incorrect
4934         dominance data during error message printing.
4935         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
4936         and edges more correctly.
4937
4938 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
4939
4940         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
4941         New tree-codes.
4942         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
4943         MISALIGNED_INDIRECT_REF.
4944         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
4945         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
4946         Likewise.
4947         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
4948         (find_interesting_uses_address): Likewise.
4949         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
4950         (build_fold_addr_expr_with_type): Likewise.
4951         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
4952         * print-rtl.c (print_mem_expr): Likewise.
4953         * tree-dump.c (dequeue_and_dump): Likewise.
4954         * tree-eh.c (tree_could_trap_p): Likewise.
4955         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
4956         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
4957         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
4958         Likewise.
4959         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
4960         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4961         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
4962         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
4963         (add_address_candidates, rewrite_address_base): Likewise.
4964         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
4965         Likewise.
4966         * tree.c (staticp, build1_stat): Likewise.
4967
4968         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
4969         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
4970         * tree-ssa-operands.c (get_expr_operands): Likewise.
4971         * expr.c (expand_expr_real_1): Likewise.
4972
4973         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
4974         optabs.
4975         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
4976         for the new optabs.
4977         (expand_ternary_op): New function.
4978         * genopinit.c (optabs): Handle the new optabs.
4979         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
4980         (init_optabs): Initialize vec_realign_load_optab.
4981         (expand_ternary_op): New functions.
4982
4983         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
4984         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
4985         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
4986         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
4987         * target.h (struct vectorize): New member for struct gcc_target.
4988         (misaligned_mem_ok): New member for targetm.vectorize.
4989         (builtin_mask_for_load): Likewise.
4990         (builtin_mask_for_store): Likewise.
4991         * targethooks.c (default_vect_misaligned_mem_ok): New function.
4992         * targethooks.h (default_vect_misaligned_mem_ok): New function.
4993
4994         * config/rs6000/altivec.md (build_vector_mask_for_load): New
4995         define_expand.
4996         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
4997         (vec_realign_load_v16qi): New define_insn.
4998         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
4999         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
5000         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
5001         (altivec_builtin_mask_for_store): New variables.
5002         (rs6000_builtin_mask_for_load): New function. Implements
5003         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
5004         (rs6000_builtin_mask_for_store): New function. Implements
5005         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
5006         (rs6000_expand_builtin): Expand the target builtins
5007         builtin_mask_for_load and builtin_mask_for_store.
5008         (altivec_init_builtins): Initialize the new target builtins.
5009         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
5010         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
5011
5012         * tree-vectorizer.c (vect_create_data_ref): Renamed to
5013         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
5014         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
5015         (vectorizable_store): Call vect_create_data_ref_ptr with additional
5016         arguments, and create an indirect_ref with its return value data_ref.
5017         Check aligned_access_p.
5018         (vectorizable_load): Handle misaligned loads, using software-pipelined
5019         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
5020         vec_realign_load_optab is supported, or using a scheme without
5021         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
5022         misaligned_mem_ok is supported.
5023
5024         (vect_finish_stmt_generation): Typo.
5025         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
5026         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
5027         presence of misaligned loads.
5028         (vect_analyze_data_ref_access): Add check for constant init.
5029         (vect_get_symbl_and_dr): Remove duplicate line.
5030         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
5031
5032 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
5033
5034         * builtins.c: Fix a comment typo.
5035
5036 2004-09-23  Jan Hubicka  <jh@suse.cz>
5037
5038         * profile.c (branch_prob): Do not verify flow info in the middle of the
5039         pass.
5040
5041 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5042
5043         * cfgloop.h (update_single_exits_after_duplication): Declare.
5044         (loopify, split_loop_bb): Declaration changed.
5045         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
5046         of rtx.
5047         (loopify): Added redirect_all_edges argument.
5048         (update_single_exits_after_duplication): Export.
5049         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
5050         * tree-flow.h (tree_duplicate_loop_to_header_edge,
5051         tree_ssa_loop_version): Declare.
5052         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
5053         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
5054         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
5055         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
5056
5057         * tree-ssa-loop-unswitch.c: New file.
5058         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
5059         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
5060         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
5061         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
5062         * tree-pass.h (pass_unswitch): Declare.
5063         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
5064         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
5065         * doc/passes.texi: Documen tree level loop unswitching.
5066
5067 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
5068
5069         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
5070
5071 2004-09-22  Eric Christopher  <echristo@redhat.com>
5072
5073         * builtins.c (simplify_builtin_va_start): Remove.
5074         (simplify_builtin): Ditto.
5075         (fold_builtin_strchr): Ditto.
5076         (simplify_builtin_*): Rename remainders to fold_builtin_*.
5077         (expand_builtin): Fix up for above changes.
5078         (fold_builtin_1): Add new folders. Change for above.
5079         (expand_builtin_va_start): Call fold_builtin_next_arg.
5080         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
5081         * tree.h: Remove prototype for simplify_builtin.
5082
5083 2004-09-23  Jan Hubicka  <jh@suse.cz>
5084
5085         PR debug/17389
5086         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
5087         of fully inlined functions.
5088         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
5089         inlined.
5090
5091         * cfgexpand.c (add_reg_br_prob_note): New function.
5092         (expand_gimple_cond_expr): Use it.
5093         (tree_expand_cfg): No longer kill the profile.
5094         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
5095         only if it is present.
5096         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
5097         * predict.c (combine_predictions_for_insn): Set the probabilities
5098         based on REG_BR_PROB note if present.
5099         * predict.c (branch_prob): Profile is read only with
5100         flag_branch_probabilities.
5101
5102 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
5103
5104         * aclocal.m4: Add in gettext's m4 includes.
5105         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
5106         * configure.ac: Add in check for iconv.h
5107         * configure: Regenerate.
5108
5109 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
5110
5111         * aclocal.m4: Update for rename of gettext-sister.m4.
5112
5113 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
5114
5115         Fix PR tree-optimization/17587
5116         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
5117         (insert_aux): Instead of here.
5118
5119 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
5120
5121         PR tree-optimization/16721
5122         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
5123         * tree-ssa-alias.c (create_memory_tag): Move setting of
5124         TREE_THIS_VOLATILE ...
5125         (get_tmt_for): ... here.
5126
5127 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5128
5129         * config/sparc/sparc.md (cmove splitter): Fix formatting.
5130         (conditional_trap expander): Reject inappropriate CCmodes.
5131         (conditional trap insn): Use V9 syntax if possible.
5132
5133 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5134
5135         PR c/16566
5136         * c-typeck.c (build_component_ref): Don't special-case
5137         COMPOUND_EXPR.
5138
5139 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
5140
5141         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
5142         returns NULL.
5143
5144 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
5145
5146         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
5147         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5148         TRUTH_XOR_EXPR): Mention the restriction on types.
5149
5150 2004-09-22  Matt Austern  <austern@apple.com>
5151
5152         * config/darwin.c (darwin_make_decl_one_only):
5153         Allow coalesced symbol to appear in static archive's table of contents
5154
5155 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
5156
5157         PR tree-optimization/17512
5158         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
5159         special cases.
5160
5161 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
5162
5163         * dbxout.c (get_lang_number): Do not define if
5164         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
5165
5166 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
5167
5168         PR target/15583
5169         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
5170         builtin_define ("__USE_INIT_FINI__").
5171
5172 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
5173
5174         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
5175         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
5176         * config/s390/s390.h (TARGET_TPF): New macro.
5177         * config/s390/s390.md ("eh_return"): New expander.
5178         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
5179         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
5180         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
5181         * config/s390/tpf.h (TARGET_TPF): Define to 1.
5182         (STACK_POINTER_OFFSET): Increase to 448.
5183         (TARGET_DEFAULT): Set -mtpf-trace on as default.
5184         (TPF_LOC_DIFF_OFFSET): New macro.
5185         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
5186         encoding.
5187         (__isPATrange): Add prototype.
5188         (MD_FALLBACK_FRAME_STATE_FOR): Define.
5189         * config/s390/tpf-eh.c: New file.
5190
5191 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
5192
5193         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
5194         operands in an integer comparison.
5195         * tree-cfg.c (find_taken_edge): Call fold() to determine
5196         whether the predicate is known.
5197
5198 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
5199
5200         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
5201         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
5202         Create build and doc directories along with the language directories.
5203         Don't create doc directory separately.
5204         * configure: Regenerate.
5205         * Makefile.in: Create all object and executables files built
5206         with the build compiler in a build/ directory.
5207         (genobjnames): Add missing build objects.
5208         (STAGESTUFF): Don't stage the gen* programs.
5209         (ggc-none.o): Define dependencies for the target compiler.
5210         (build-print-rtl.o): Rename to build/print-rtl.o.
5211         (build-errors.o): Rename to build/errors.o.
5212         (build-varray.o): Rename to build/varray.o.
5213         (maintainerclean): Delete the contents of the build directory.
5214         ($(genobjs): %.o): Explicitly use -o.
5215         (build/insn-conditions.o): Delete specfic rule to use generic rule.
5216         (build/gengtype-lex.o): Likewise.
5217         (build/gengtype-yacc.o): Likewise.
5218         (build/gcov-iov.o): Likewise.
5219
5220 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
5221
5222         * vec.h (VEC_space): Return true if there _is_ space.
5223         (VEC_reserve): Adjust.
5224
5225 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
5226
5227         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
5228         use FPRs for scalar, complex and vector types only.
5229
5230 2004-09-21 Jeff Law  <law@redhat.com>
5231
5232         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
5233         the opt_stats_d structure.
5234         (vrp_data): Change from a varray into a hash table.
5235         (vrp_hash_elt): New structure for elements in the vrp hash table.
5236         (vrp_hash, vrp_eq):New functions for hashing and testing equality
5237         in the vrp hash table.
5238         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
5239         initialization slightly to make it easier to read.  No longer need
5240         to grow/clear the varray.  Instead empty and delete the hash table.
5241         (dom_opt_finalize_block): Update due to change of VRP_DATA from
5242         a varray to a hash table.
5243         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
5244
5245         * tree-ssa-ccp.c (get_default_value): If we have a constant
5246         value recorded for an SSA_NAME, then use that constant as
5247         the initial lattice value.
5248         (substitute_and_fold): Transfer equivalences discovered into
5249         SSA_NAME_EQUIV.
5250
5251         * tree.h (SSA_NAME_EQUIV): Add comments.
5252         (SET_SSA_NAME_EQUIV): Similarly.
5253
5254 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
5255
5256         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
5257
5258         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
5259
5260 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
5261
5262         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
5263         (finish_decl): Likewise.
5264
5265 2004-09-21  Devang Patel  <dpatel@apple.com>
5266
5267         * tree.def (VEC_COND_EXPR): New tree node.
5268         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
5269
5270 2004-09-21  Stan Shebs  <shebs@apple.com>
5271
5272         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
5273         * config/rs6000/darwin-world.asm: Likewise.
5274
5275 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
5276
5277         * tree-ssa.c (verify_def): Use print_generic_stmt,
5278         not debug_generic_stmt.
5279         (verify_use): Ditto.
5280         (verify_phi_args): Ditto.
5281         (verify_ssa): Ditto.
5282
5283 2004-09-21  Paul Brook  <paul@codesourcery.com>
5284
5285         * varasm.c (default_assemble_integer): Return false for values wider
5286         than the target word size.  Works around GAS bug.
5287
5288 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
5289
5290         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
5291         gets value 0.
5292         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
5293         if it has value 0.
5294
5295 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
5296
5297         * c-typeck.c (build_function_call): Give name of object
5298         we are attempting to call in error message.
5299         * c-objc-common.c (c_tree_printer): Call pp_expression,
5300         not return false, for 'E' case.
5301
5302 2004-09-21  Steven Bosscher  <stevenb@suse.de>
5303
5304         PR rtl-optimization/17482
5305         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
5306         load_killed_in_block_p): Clarify comments.
5307         (record_last_reg_set_info): Make static inline.
5308         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
5309         (record_opr_changes): New function to replace the above.
5310         (compute_hash_table): Clarify comments.  Use record_opr_changes.
5311         (reg_set_between_after_reload_p): Clean up.
5312         (reg_used_between_after_reload_p): Likewise.
5313         (eliminate_partially_redundant_load): Clarify comments.
5314
5315 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5316
5317         PR rtl-optimization/17266
5318         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
5319
5320 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
5321
5322         PR rtl-optimization/14851
5323         * rtlanal.c (commutative_operand_precedence): Calculate
5324         precedence of stripped constant.
5325
5326 2004-09-20 Jeff Law  <law@redhat.com>
5327            Jan Hubicka  <jh@suse.cz>
5328
5329         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
5330         initialize key elements here.
5331         (release_ssa_name): Zero the released SSA_NAME here.
5332         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
5333         (struct tree_ssa_name): Add new "equiv" field.
5334         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
5335         (tree_ssa_dominator_optimize): No longer allocate, resize or
5336         clear CONST_AND_COPIES.
5337         (get_value_for, set_value_for): Kill.
5338         (thread_across_edge): Get/set the equivalency using
5339         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
5340         (restore_vars_to_original_value): Likewise.
5341         (record_equivalences_from_phis): Likewise.
5342         (record_dominating_conditions): Likewise.
5343         (record_const_or_copy, record_equality): Likewise.
5344         (lookup_avail_expr): Likewise.
5345         (record_equivalences_from_stmt, cprop_operand): Likewise.
5346         (cprop_into_successor_phis): No longer need to pass around
5347         CONST_AND_COPIES.  Callers updated. Get equivalences via
5348         SSA_NAME_EQUIV.
5349         (cprop_into_phis): Likewise.
5350
5351 2004-09-20  Matt Austern <austern@apple.com>
5352             Zack Weinberg  <zack@codesourcery.com>
5353
5354         * c-common.c (fix_string_type): Build the unqualified array
5355         type unconditionally, then use c_build_qualified_type to get
5356         the proper const-qualified variant, and set its
5357         TYPE_MAIN_VARIANT to refer to the unqualified type.
5358         * c-lex.c (c_lex_return_raw_string): New global.
5359         (c_lex_with_flags): Honor it.
5360         * c-pragma.h: Declare it.
5361
5362 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
5363
5364         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
5365
5366 2004-09-21  Jan Hubicka  <jh@suse.cz>
5367
5368         PR middle-end/17126
5369         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
5370         (tree_rest_of_compilation): Cleanup.
5371
5372 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
5373
5374         * config/s390/s390.c (s390_select_rtx_section): Remove.
5375         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
5376
5377 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5378
5379         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
5380         note to pretend a direct save from the original register when an
5381         intermediate register is used for the save.
5382
5383 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5384
5385         * tsystem.h (alloca): Provide a default definition.
5386
5387         Revert:
5388         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5389             * unwind-dw2.c: Call __builtin_alloca, not alloca.
5390
5391 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
5392
5393         PR tree-opt/17558
5394         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
5395         aliasing sets are the same rather than just conflicting.
5396
5397 2004-09-20  Jan Hubicka  <jh@suse.cz>
5398
5399         PR middle-end/16460
5400
5401         * cgraph.c (cgraph_unnest_node): New function.
5402         (c_finalize): Rename to ....
5403         (c_warn_unused_result_recursivly): ... this one; do only the warning
5404         (finish_function): Finalize the toplevel function; do not lower nested tree.
5405         * cgraph.h (cgraph_unnest_node): Declare.
5406         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
5407         nestedness datastructure.
5408         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
5409         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
5410         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
5411
5412 2004-09-20  Richard Henderson  <rth@redhat.com>
5413
5414         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
5415         from some_small_symbolic_operand_1; export.
5416         (some_small_symbolic_operand): Remove.
5417         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
5418         extra C check.
5419         * config/alpha/predicates.md (some_small_symbolic_operand): New.
5420
5421 2004-09-20  Jan Hubicka  <jh@suse.cz>
5422
5423         * predict.c (return_prediction): New function.
5424         (apply_return_prediction): Likewise.
5425         (tree_bb_level_predictions): Likewise.
5426         (tree_estimate_probability): Add noreturn exit edges; call
5427         bb_level_predictions; fix logic of return heuristics.
5428         (predict_paths_leading_to):  Rescuesce from old CVS version of
5429         process_note_prediction function.
5430         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
5431
5432 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5433
5434         * config/s390/s390.c (s390_frame_info): Added alignment statement for
5435         floating point register area on stack.
5436
5437 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
5438
5439         * predict.c (expr_expected_value): Use *_CLASS_P macros.
5440
5441 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
5442
5443         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
5444         generating useless garbage.
5445
5446 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
5447
5448         * builtins.c (fold_builtin): Call the new omonymous
5449         target hook for machine-dependent built-ins.
5450         * target-def.h (TARGET_FOLD_BUILTIN): New.
5451         * target.h (struct gcc_target): Add the fold_builtin hook.
5452         * targhooks.c (default_fold_builtin): New.
5453         * targhooks.h (default_fold_builtin): Declare it.
5454
5455 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
5456
5457         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
5458         comment typos.
5459
5460 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
5461
5462         PR target/17565
5463         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
5464
5465 2004-09-20  Jan Hubicka  <jh@suse.cz>
5466
5467         * predict.c (estimate_probability): Remove unnecesary code.
5468
5469 2004-09-19  Ira Rosen  <irar@il.ibm.com>
5470
5471         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
5472         (STMT_VINFO_VECT_DR_BASE): Declare.
5473         (VECT_SMODULO): Declare.
5474         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
5475         (vect_compute_array_base_alignment): New function.
5476         (vect_analyze_data_ref_access): Check array indices. Remove one
5477         dimensional arrays restriction.
5478         (vect_get_ptr_offset): New function.
5479         (vect_get_symbl_and_dr): New function.
5480         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
5481         (former name vect_get_base_decl_and_bit_offset).
5482         (vect_create_index_for_array_ref): Removed.
5483         (vect_create_index_for_vector_ref): New function.
5484         (vect_create_addr_base_for_vector_ref): New function.
5485         (vect_create_data_ref): Handle additional data refs. Call
5486         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
5487         (vect_compute_data_ref_alignment): Support the changes. Call
5488         vect_get_base_and_bit_offset.
5489         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
5490         data refs. Store vect_dr_base.
5491         (vect_analyze_data_ref_accesses): Support nonconstant init.
5492         (new_stmt_vec_info): Initialize vect_dr_base field.
5493         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5494         (get_vectype_for_scalar_type): Check for BLKmode.
5495         * tree-chrec.h (initial_condition_in_loop_num): Declare.
5496         * tree-chrec.c (initial_condition_in_loop_num): New function.
5497         (chrec_component_in_loop_num): New function.
5498         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
5499         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
5500         to be pointer to varray_type.
5501
5502 2004-09-19  Jan Hubicka  <jh@suse.cz>
5503
5504         * basic-block.h (update_bb_profile_after_threading): Declare.
5505         * cfg.c (update_bb_profile_after_threading): Break out from ...
5506         * cfgcleanup.c (try_forward_edges): ... here; use it.
5507         * tree-ssa-dom.c (thread_across_edge): Use it.
5508         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
5509         profile of the new BB.
5510
5511 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
5512
5513         * tree-ssa-pre.c (insert_into_set): Don't put
5514         is_gimple_min_invariant values into the set.
5515
5516 2004-09-19  Andreas Jaeger  <aj@suse.de>
5517
5518         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
5519         prototype.
5520
5521 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
5522
5523         * config/cris/cris.h: Preserve the original spelling in a
5524         quote.
5525
5526 2004-09-18 Jeff Law  <law@redhat.com>
5527
5528         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
5529         global varrays to replace the block local varrays.
5530         (struct dom_walk_block_data): Remove, no longer used.
5531         (get_eq_expr_value): No longer need to pass around pointers to local
5532         varrays.  Callers updated.  Unused markers added to unused parameters.
5533         (record_range, record_equivalences_from_stmt): Likewise.
5534         (record_equivalences_from_incoming_edge): Likewise.
5535         (record_var_is_nonzero): Likewise.  Update now that we have a
5536         single global varray of SSA_NAMEs that need restoring.
5537         (dom_opt_initialize_block_local_data): Kill, no longer used.
5538         (tree_ssa_dominator_optimize): Initialize new global varrays.
5539         Update callbacks in dominator walker structure.
5540         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
5541         VRP_VARIABLES_STACK.
5542         (restore_nonzero_vars_to_original_value): Update now that we have
5543         a single global varray of SSA_NAMEs that need restoring.
5544         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
5545         Remove unused variables.
5546         (optimize_stmt): Remove unused variable.
5547
5548 2004-09-18  Jan Hubicka  <jh@suse.cz>
5549
5550         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
5551
5552         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
5553         verify_cgraph call.
5554
5555 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
5556
5557         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
5558         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
5559         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
5560         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
5561         tree-ssa-operands.c, tree-ssa-phiopt.c,
5562         tree-ssa-threadupdate.c: Fix comment typos.
5563
5564 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
5565
5566         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
5567         config/arm/README-interworking, config/arm/arm-cores.def,
5568         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
5569         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
5570         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
5571         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
5572         config/frv/frv.md, config/i386/winnt.c,
5573         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
5574         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
5575         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
5576         config/mcore/mcore.c, config/mips/mips.h,
5577         config/mn10300/mn10300.md, config/pa/pa.c,
5578         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
5579         config/rs6000/rs6000.c, config/sh/symbian.c,
5580         config/sparc/sparc.h: Fix comment typos.  Follow spelling
5581         conventions.
5582
5583 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
5584
5585         PR c/17424
5586         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
5587
5588 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
5589
5590         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
5591         remove TREE_ADDRESSABLE from RESULT_DECL.
5592
5593 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
5594
5595         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
5596
5597 2004-09-18  Jan Hubicka  <jh@suse.cz>
5598
5599         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
5600         NULL.
5601         * tree-ssa-alias.c (init_alias_info): Likewise.
5602         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
5603         (verify_ssa): Likewise.
5604         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
5605
5606 2004-09-18  Jan Hubicka  <jh@suse.cz>
5607
5608         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
5609         huge offset.
5610
5611 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5612
5613         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
5614         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5615         DW_EH_PE_sdata* for data.
5616         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
5617
5618 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
5619
5620         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
5621         shared anyway.
5622
5623         PR pch/13361
5624         * c-typeck.c (constructor_asmspec): Delete.
5625         (struct initializer_stack): Delete field 'asmspec'.
5626         (start_init): Delete saving of asmspec.
5627         (finish_init): Don't update constructor_asmspec.
5628         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
5629         * stmt.c (expand_asm): Duplicate strings from tree.
5630         (expand_asm_operands): Likewise.
5631         * tree.c (tree_size): Update computation of size of STRING_CST.
5632         (make_node): Don't make STRING_CST nodes.
5633         (build_string): Allocate string with tree node.
5634         (tree_code_size): Clean up assertions, don't allow requests
5635         for "the size of a STRING_CST".
5636         * tree.def (STRING_CST): Update comment.
5637         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
5638         (tree_string): Place contents of string in tree node.
5639         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
5640         from tree.
5641
5642 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
5643
5644         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
5645         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
5646
5647 2004-09-17  Jones Desougi  <jones@ingate.com>
5648
5649         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
5650         * configure, config.in: Regenerate.
5651
5652 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
5653
5654         * tree.c, tree.h (tree_class_strings): Make array const.
5655         Reindent per coding convention.  Move asterisk to proper place
5656         per coding convention.
5657
5658 2004-09-18  Andreas Schwab  <schwab@suse.de>
5659
5660         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
5661         (tree-vectorizer.o): Likewise.
5662         (targhooks.o): Likewise.
5663
5664 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
5665             Zack Weinberg  <zack@codesourcery.com>
5666
5667         * alias.c (find_base_decl): Remove unreachable case '3' block.
5668         * expr.c (safe_from_p): Abort if passed a type.
5669         * tree-gimple.c (recalculate_side_effects): Abort if passed
5670         anything other than an expression.
5671         * tree-ssa-pre.c (phi_translate): Return expr immediately if
5672         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
5673         Abort on un-handled tree classes.
5674         (valid_in_set): Likewise.
5675         * tree.c (tree_code_class_strings): New static data.
5676
5677         * tree.h (enum tree_code_class): New.
5678         (tree_code_class_strings): Declare.
5679         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
5680         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
5681         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
5682         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
5683         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
5684
5685         * tree.def, c-common.def, objc/objc-tree.def: Use
5686         tree_code_class enumeration constants instead of code letters.
5687
5688         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
5689         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
5690         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
5691         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
5692         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
5693         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
5694         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
5695         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
5696         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
5697         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
5698         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
5699         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
5700         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
5701         Update to match.
5702
5703         * LANGUAGES: Add note about change.
5704
5705 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
5706
5707         PR tree-optimization/17319
5708         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
5709         examine pointers on the LHS of an assignment.
5710         (collect_points_to_info_r): Handle RETURN_EXPR.
5711
5712 2004-09-17 Jeff Law  <law@redhat.com>
5713
5714         * tree-ssa-dom.c (const_and_copies_stack): New.
5715         (dom_walk_block_data): Remove const_and_copies field.
5716         (record_const_or_copy): No longer need to pass in varray_type *.
5717         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
5718         Callers updated.
5719         (record_equality): Similarly.
5720         (restore_vars_to_original_value): Similarly.  Revamp to use new
5721         single global stack rather than per-block stacks.
5722         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
5723         (thread_across_edge): Remove now unused parameters.
5724         (dom_opt_initialize_block_local_data): No longer test the block
5725         local CONST_AND_COPIES.
5726         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
5727
5728 2004-09-17  Jan Hubicka  <jh@suse.cz>
5729
5730         PR tree-optimization/17509
5731         * tree-optimize.c (update_inlined_to_pointers): New function.
5732         (tree_rest_of_compilation): Use it.
5733
5734 2004-09-17  Devang Patel  <dpatel@apple.com>
5735
5736         * dbxout.c (get_lang_number): New.
5737         (dbxout_init): Include lang number in N_SO  stab.
5738         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
5739         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
5740
5741 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
5742
5743         PR tree-optimization/17273
5744         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
5745         replacement is a constant.
5746
5747 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
5748
5749         * c-tree.h (enum c_typespec_keyword): New.
5750         (struct c_declspecs): Adjust description of "type".  Remove
5751         specbits, explicit_int_p and explicit_char_p.  Rename
5752         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
5753         short_p, signed_p, unsigned_p and complex_p.
5754         (finish_declspecs): New.
5755         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
5756         typename): Call finish_declspecs.
5757         * c-decl.c (finish_declspecs): New.
5758         (declspecs_add_type): Check for combinations which cannot occur in
5759         valid specifier lists.  Update comments.
5760         (shadow_tag_warned): Remove checks done in finish_declspecs.
5761         Don't report useless type name if type defaulted to int.
5762         (grokdeclarator): Remove checks and actions done in
5763         finish_declspecs.  Don't allow for type being NULL.  Update for
5764         datastructures changes.  Initialize decl_attr.
5765         (build_null_declspecs, quals_from_declspecs): Update for
5766         datastructures changes.
5767
5768 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
5769
5770         * doc/extend.texi: Fix duplicated word.
5771
5772 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
5773
5774         * doc/invoke.texi: Remove stray explanation on
5775         -freduce-all-givs and -fmove-all-movables.
5776
5777 2004-09-17  James Morrison  <phython@gcc.gnu.org>
5778
5779         * doc/cfg.texi: Use @smallexample.
5780         * doc/md.texi: Likewise.
5781         * doc/tree-ssa.texi: Likewise.
5782         * doc/extend.texi: Likewise.  Use @r{} in comments.
5783         * doc/trouble.texi: Use @r{} in comments.
5784
5785 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
5786
5787         * configure.ac (gcc_cv_gld_version): Handle whitespace before
5788         "VERSION=".
5789         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
5790         * configure: Regenerate.
5791
5792 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
5793
5794         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
5795         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
5796         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
5797         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
5798         slashes in substitutions.
5799         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
5800
5801 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
5802
5803         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
5804         gimplify.c, lambda-code.c, optabs.c, predict.c,
5805         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
5806         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
5807         conventions.
5808
5809 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
5810
5811         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
5812         doc/extend.texi, doc/install.texi, doc/invoke.texi,
5813         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
5814         doc/trouble.texi: Use @option around options.
5815
5816 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
5817
5818         * Makefile.in (gen-protos.o): Depend on errors.h.
5819
5820 2004-09-17  Steven Bosscher  <stevenb@suse.de>
5821
5822         PR tree-optimization/17513
5823         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
5824         for successors of the entry block.
5825
5826 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
5827
5828         PR rtl-optimization/15187
5829         * ifcvt.c (noce_try_cmove_arith): Exit early if total
5830         insn_rtx_cost of both branches > BRANCH_COST
5831
5832 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
5833
5834         PR tree-optimization/17528
5835         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
5836         erase the may-alias set for a tag when merging it with
5837         another.
5838
5839 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5840
5841         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
5842         for 32-bit TARGET_SHMEDIA.
5843         (call_value): Likewise.
5844
5845 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
5846
5847         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
5848         test apply only to TREE_STATIC and DECL_EXTERNAL.
5849
5850 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5851
5852         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
5853         * basic-block.h (get_dominated_by_region): Declare.
5854         * dominance.c (get_dominated_by_region): New function.
5855         * tree-cfg.c: Include cfglayout.h.
5856         (tree_duplicate_bb): Duplicate also phi nodes.
5857         (struct ssa_name_map_entry): New type.
5858         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
5859         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
5860         allocate_ssa_names, rewrite_to_new_ssa_names_def,
5861         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
5862         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
5863         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
5864         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
5865         rewrite_to_new_ssa_names, allocate_ssa_names,
5866         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
5867         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
5868         (copy_loop_headers): Use tree_duplicate_sese_region.
5869
5870 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
5871
5872         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
5873
5874 2004-09-16 Jeff Law  <law@redhat.com>
5875
5876         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
5877         (rewrite_block_data): Remove, no longer used.
5878         (rewrite_initialize_block_local_data): Remove, no longer used.
5879         (rewrite_initialize_block): Mark parameters as unused as needed.
5880         Change references to the block local block_defs to be block_defs_stack.
5881         Push a marker onto the block_defs_stack.
5882         (ssa_rewrite_initialize_block): Similarly.
5883         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
5884         (ssa_register_new_def): No longer needs varray argument.  Use
5885         block_defs_stack instead.  No longer handle possibly null block_defs
5886         varray.  Reverse order of items we push on the stack to make it
5887         easier to identify our marker.
5888         (register_new_def): No longer handle possibly null block_defs
5889         varray.
5890         (rewrite_finalize_block): Revamp to look for markers in the global
5891         block_defs_stack varray rather than wiping a block local varray.
5892         Mark arguments as unused as needed.
5893         (ssa_rewrite_finalize_block): Similarly.
5894         (rewrite_into_ssa): Update initialization of dom walker structure
5895         to reflect that we don't need block local data anymore.  Initialize
5896         the block_defs_stack varray.
5897         (rewrite_ssa_into_ssa): Similarly.
5898         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
5899         (struct dom_walk_data): Kill block_defs field.
5900         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
5901         (thread_across_edge): Use the global block_defs_stack instead of
5902         the old block_defs varray.
5903         (dom_opt_initialize_block_local_data): Update now that we don't have
5904         block_defs field to check anymore.
5905         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
5906         (restore_currdefs_to_original_value): Use the new block_defs_stack
5907         instead of a block local varray.
5908         (dom_opt_finalize_block): Similarly.
5909         (record_equivalencs_from_phis): Similarly.
5910         (optimize_stmt, register_definitions_for_stmt): Similarly.
5911
5912 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
5913
5914         PR tree-optimization/17517
5915         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5916         coalesce same-root variables without checking for abnormal PHI usage.
5917
5918 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
5919
5920         * cfgloop.h (duplicate_loop):  Add prototype.
5921         * cfgloopmanip.c (duplicate_loop): Make non-static.
5922         * lambda-code.c (perfect_nestify): Factor out test whether
5923         we can handle this loop into separate function.
5924         Call it.
5925         (can_convert_to_perfect_nest): New function.
5926         (replace_uses_of_x_with_y): Add modify_stmt call.
5927         * tree-loop-linear.c (linear_transform_loops): Call
5928         rewrite_into_loop_closed_ssa and free_df.
5929
5930 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
5931
5932         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
5933         loop invariant as well.
5934         (perfect_nestify): new function.
5935         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
5936         upper bounds, and steps.
5937         Set outerinductionvar properly.
5938         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
5939         parameters.
5940         Return NULL if we need a perfect loop and can't make one.
5941         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
5942         (not_interesting_stmt): New function.
5943         (phi_loop_edge_uses_def): Ditto.
5944         (stmt_uses_phi_result): Ditto.
5945         (stmt_is_bumper_for_loop): Ditto.
5946         (perfect_nest_p): Ditto.
5947         (nestify_update_pending_stmts): Ditto.
5948         (replace_uses_of_x_with_y): Ditto.
5949         (stmt_uses_op): Ditto.
5950         (perfect_nestify): Ditto.
5951         * lambda-mat.c (lambda_matrix_id_p): New function.
5952         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
5953         * lambda.h: Update prototypes.
5954         * tree-loop-linear (linear_transform_loop): Use new
5955         perfect_nest_p. Detect and ignore identity transform.
5956         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
5957
5958 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
5959
5960         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
5961         Gather also strides of accessed data.  Pass in the data references
5962         array.
5963         (try_interchange_loops): Add a new heuristic for handling the temporal
5964         locality.  Pass in the data references array.
5965         (linear_transform_loops): Pass the data references array to
5966         try_interchange_loops.
5967
5968 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
5969
5970         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
5971
5972 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
5973
5974         * doc/c-tree.texi (Classes): Remove index entries for
5975         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
5976
5977 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5978
5979         * fold-const.c (fold): Fold difference of addresses.
5980         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
5981         get_inner_reference.
5982         * tree-ssa-loop-ivopts.c (peel_address): Removed.
5983         (ptr_difference_const): Moved to fold-const.c.
5984         (split_address_cost): Use get_inner_reference instead of peel_address.
5985         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
5986         * tree.h (ptr_difference_const): Export.
5987
5988         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
5989         variable type to the dump.  Fix indentation.
5990         (idx_find_step): Handle nonconstant array_ref_element_size and
5991         array_ref_low_bound.
5992         (idx_record_use): Handle array_ref_element_size and
5993         array_ref_low_bound.
5994         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
5995         statements correctly.
5996         (get_computation_at, iv_value): Do not unshare expressions here.
5997         (rewrite_use_outer): Unshare the expression before it is emitted
5998         to code.
5999         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
6000         Moved to tree.c.
6001         * tree.c (unsigned_type_for, signed_type_for): Moved from
6002         tree-ssa-loop-niter.c.  Use langhooks.
6003         * tree.h (signed_type_for): Export.
6004
6005 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
6006
6007         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
6008         prototype.
6009
6010 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
6011
6012         PR target/11572
6013         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
6014         Add two parameters to extra_includes.
6015         (C_INCPATH_INIT): Remove.
6016         * c-incpath.c (register_include_chains): Call extra_pre_includes
6017         before adding the standard include directory.
6018         Update call to extra_includes.
6019         (!defined TARGET_EXTRA_INCLUDES): Update
6020         hook_void_charptr_charptr_int and add !define
6021         TARGET_EXTRA_PRE_INCLUDES.
6022         (!define TARGET_EXTRA_INCLUDES): Define as
6023         hook_void_charptr_charptr_int.
6024         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
6025         (target_c_incpath): Always declare.
6026         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
6027         empty function.
6028         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
6029         * config/darwin.h: (darwin_register_frameworks): Update for
6030         the two new parameters.
6031         (darwin_register_objc_includes): Add prototype.
6032         (TARGET_EXTRA_PRE_INCLUDES): Define.
6033         * config/darwin-c.c (darwin_register_objc_includes): New function.
6034         (darwin_register_frameworks): Update for the two new parameters.
6035         (target_c_incpath): Remove.
6036         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
6037         the compile line.
6038         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
6039         parameters.
6040         (TARGET_EXTRA_PRE_INCLUDES): Document.
6041
6042         * gcc.c (spec_function): Add replace-outfile.
6043         (replace_outfile_spec_function): New function.
6044         * config/darwin.h (LINK_SPEC): Add replace
6045         -lobjc with -lobjc-gnu if -fgnu-runtime is
6046         supplied.
6047         * invoke.texi (replace-outfile): Document.
6048
6049 2004-09-13  Jan Hubicka  <jh@suse.cz>
6050
6051         * predict.c (expr_expected_value, strip_builtin_expect): New function.
6052         (tree_predict_by_opcode): Use it.
6053         (tree_estimate_probability): Add, for now disabled,
6054         strip_builtin_expect call.
6055
6056 2004-09-15  James E Wilson  <wilson@specifixinc.com>
6057
6058         PR target/17455
6059         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
6060         if current_function_decl is a sibcall.
6061
6062 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
6063
6064         * varasm.c (default_function_rdodata_section): Make sure to pass
6065         along a decl for a link-once section.
6066
6067 2004-09-15  Richard Henderson  <rth@redhat.com>
6068
6069         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
6070         warning with code disable.  Fix formatting.
6071
6072 2004-09-15  Steven Bosscher  <stevenb@suse.de>
6073
6074         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
6075         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
6076         after propagating into an ADDR_EXPR.
6077
6078 2004-09-15  Andrew Pinski  <apinski@apple.com>
6079
6080         PR rtl-opt/17427
6081         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
6082         Move it out of gcc_assert.
6083
6084 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
6085
6086         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
6087         except.c, fold-const.c, function.c, langhooks.c, params.c,
6088         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
6089         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
6090         for quoting in diagnostics going through pretty-print.c.  Use ''
6091         for quoting in other diagnostic text.
6092         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
6093         translation.
6094         * Makefile.in (langhooks.o): Update dependencies.
6095         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
6096         formats.
6097
6098 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
6099
6100         * configure.ac: Check for COMDAT support.  Robustify check for
6101         SHF_MERGE support.
6102         * configure: Regenerated.
6103         * config.in: Likewise.
6104         * langhooks-def.h (lhd_comdat_group): New function.
6105         (LANG_HOOKS_COMDAT_GROUP): New macro.
6106         (LANG_HOOKS_DECLS): Use it.
6107         * langhooks.c (lhd_comdat_group): Define.
6108         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
6109         * output.h (named_section_flags): Make it a macro.
6110         (named_section_real): New function.
6111         (default_no_named_section): Add decl parameter.
6112         (default_elf_asm_named_section): Likewise.
6113         (default_coff_asm_named_section): Likewise.
6114         (default_pe_asm_named_section): Likewise.
6115         * target.h (gcc_target): Adjust type of named_section.
6116         * varasm.c (named_section_flags): Rename to named_section_real.
6117         Add decl parameter.
6118         (default_no_named_section): Add decl parameter.
6119         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
6120         with the case that ASM_COMMENT_START is "@".
6121         (default_coff_asm_named_section): Add decl parameter.
6122         (default_pe_asm_named_section): Likewise.
6123         * config/alpha/alpha.c (vms_asm_named_section): Add decl
6124         parameter.
6125         (unicosmk_asm_named_section): Likewise.
6126         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
6127         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
6128         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
6129         * config/cris/cris-protos.h (cris_target_asm_named_section):
6130         Likewise.
6131         * config/cris/cris.c (cris_target_asm_named_section):
6132         Likewise.
6133         * config/darwin/darwin-protos.h (darwin_asm_named_section):
6134         Likewise.
6135         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
6136         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
6137         * config/i386/i386-protos.h (i386_pe_asm_named_section):
6138         Likewise.
6139         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
6140         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
6141         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
6142         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
6143         Likewise.
6144         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
6145         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
6146         * cp/cp-tree.h (cxx_comdat_group): Declare.
6147         * cp/decl.c (cxx_comdat_group): New function.
6148
6149 2004-09-15  Jan Hubicka  <jh@suse.cz>
6150
6151         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
6152         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
6153
6154         * tree-cfg.c (remove_bb): Release SSA defs.
6155
6156 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
6157
6158         * doc/tm.texi: Follow spelling conventions.
6159
6160 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
6161
6162         * tree-ssa-dom.c: Fix comment typos.
6163
6164 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
6165
6166         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
6167         include ccr.
6168         (ppc_fallback_frame_state): Save location of CR.
6169
6170 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
6171
6172         * expr.c (string_constant): Handle also read-only variables
6173         initialized to string literals.
6174
6175         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
6176         into memcpy (x, y, 1) if memcpy can be expanded inline.
6177
6178 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6179
6180         PR tree-optimization/17468
6181         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
6182         definition inside a block precede uses.
6183         * tree-tailcall.c (adjust_return_value): Emit statements in the
6184         correct order.
6185
6186 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
6187
6188         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
6189
6190 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
6191
6192         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
6193
6194 2004-09-14 Jeff Law  <law@redhat.com>
6195
6196         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
6197         (struct dom_walk_block_data): Remove avail_exprs member.
6198         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
6199         (lookup_avail_expr): No longer need to pass in address of
6200         the block local available exprs stack.  All callers changed.
6201         (simplify_cond_and_lookup_avail_expr): Similarly.
6202         (simplify_switch_and_lookup_avail_expr): Similarly.
6203         (get_eq_expr_value, record_cond): Likewise.
6204         (record_dominating_conditions): Likewise.
6205         (update_rhs_and_lookup_avail_expr): Likewise.
6206         (record_equivalences_from_stmt): Likewise.
6207         (dom_opt_initialize_block_local_data): No longer test state of
6208         block local avail_exprs.
6209         (dom_opt_initialize_block): Mark unwind point in the global
6210         avail_expr stack.
6211         (remove_expressions_from_table): Update to unwind to the
6212         most recent unwind marker in the global avail_expr stack.
6213         All callers changed.
6214         (dom_opt_finalize_block): Mark unwind point in the global
6215         avail_expr stack as needed.
6216         (record_cond): Push elements into the global avail_exprs stack.
6217
6218         * tree-dfa.c (free_df_for_stmt): No longer static.
6219         (free_df): Update comments.
6220         * tree-flow.h (free_df_for_stmt): Prototype.
6221         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
6222         call release_defs.
6223
6224 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
6225
6226         PR tree-optimization/17252
6227         * tree-ssa-alias.c (may_alias_p): Don't assume that a
6228         pointer may not point to itself when using relaxed
6229         aliasing rules.
6230
6231 2004-09-14  Richard Henderson  <rth@redhat.com>
6232
6233         PR middle-end/17397
6234         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
6235         while folding <ADDR_EXPR <INDIRECT_REF X>>.
6236
6237 2004-09-14  Andrew Pinski  <apinski@apple.com>
6238
6239         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
6240         sets of the pointers but the aliasing sets of what they point to.
6241
6242 2004-09-14  Roger Sayle  <roger@eyesopen.com>
6243
6244         PR rtl-optimization/9771
6245         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
6246         conditional compilation in init_reg_sets_1.
6247         (init_reg_sets_1): Let global_regs[i] take priority over the frame
6248         (but not stack) pointer exceptions to regs_invalidated_by_call.
6249         (globalize_reg): Globalizing a fixed register may need to update
6250         regs_invalidated_by_call.
6251
6252 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
6253
6254         PR tree-optimization/15262
6255         * tree-dfa.c (dump_variable): Also print the type of the
6256         variable.
6257         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
6258         memory tags are of conflicting alias sets but have no aliased
6259         symbols in common, add one tag to the alias set of the other.
6260         (setup_pointers_and_addressables): Remove hack to deal with
6261         programs with no aliased symbols.
6262         (may_alias_p): Don't special case aggregate types.
6263
6264 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
6265
6266         PR c/15498
6267         * doc/invoke.texi (Environment Variables): Correct example locale.
6268
6269 2004-09-14  Jan Hubicka  <jh@suse.cz>
6270
6271         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
6272
6273 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
6274
6275         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
6276
6277 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
6278
6279         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
6280         restrict_p.
6281         (struct c_declarator): Change u.array.quals and pointer_quals to
6282         int.  Add u.array.attrs.
6283         (quals_from_declspecs): New.
6284         * c-decl.c (quals_from_declspecs): New.
6285         (shadow_tag_warned): Give more specific message for useless type
6286         qualifiers.
6287         (build_array_declarator, set_array_declarator_inner,
6288         grokdeclarator, make_pointer_declarator, build_null_declspecs,
6289         declspecs_add_qual): Update for changed structures.
6290
6291 2004-09-14  Jeff Law  <law@redhat.com>
6292
6293         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
6294         to a global varray.
6295         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
6296         (dom_opt_initialize_block_local_data): No longer test state
6297         of stmts_to_rescan.
6298         (dom_opt_finalize_block): Update due to change in scope of
6299         stmts_to_rescan.
6300         (optimize_stmt): Similarly.
6301
6302 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
6303
6304         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
6305         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
6306         comment typos.  Follow spelling conventions.
6307
6308 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
6309
6310         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
6311         config/i386/predicates.md, config/sparc/sparc.c: Follow
6312         spelling conventions.
6313
6314 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6315             Steven Bosscher  <stevenb@suse.de>
6316
6317         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
6318         * basic-block.h (struct reorder_block_def): Add copy_number field.
6319         * cfgloop.h (biv_p): Declare.
6320         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
6321         * common.opt (fsplit-ivs-in-unroller): New flag.
6322         * loop-iv.c (biv_p): New function.
6323         * loop-unroll.c: Include hashtab.h and recog.h.
6324         (struct iv_to_split, struct split_ivs_info): New types.
6325         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
6326         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
6327         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
6328         insert_base_initialization, split_iv): New functions.
6329         (peel_loop_completely, unroll_loop_constant_iterations,
6330         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
6331         Use them.
6332         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
6333
6334 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6335
6336         * tree-cfg.c (thread_jumps): Update dominators correctly in
6337         case destination of threaded edge dominates its source.
6338
6339 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6340
6341         * unroll.c: Removed.
6342         * loop.h: Removed.
6343         * Makefile.in (LOOP_H, unroll.o): Removed.
6344         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
6345         dependency.
6346         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
6347         reference.
6348         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
6349         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
6350         * loop.c: Do not include loop.h.
6351         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
6352         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
6353         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
6354         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
6355         struct loop_regs, struct loop_movables, struct loop_info): Moved
6356         from loop.h.
6357         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
6358         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
6359         find_common_reg_term, loop_iterations, final_giv_value): Moved
6360         from unroll.c.
6361         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
6362         loop_dump_stream, for_each_insn_in_loop, express_from,
6363         extend_value_for_giv, loop_iv_add_mult_emit_before,
6364         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
6365         loop_insn_first_p, get_condition_for_loop,
6366         loop_insn_emit_before, loop_insn_hoist,
6367         loop_insn_sink): Made static.
6368         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
6369         reference.
6370         (strength_reduce): Do not call unroller.
6371         (record_giv): Do not initialize unrolled field.
6372         (prescan_loop): Do not set loop_info->preconditioned.
6373         * passes.c: Do not include loop.h.
6374         (rest_of_handle_loop_optimize): Do not call unroller.
6375         * predict.c: Do not include loop.h.
6376         * rtl.h (NOTE_PRECONDITIONED): Removed.
6377         * stmt.c: Do not include loop.h.
6378         * toplev.c: Do not include loop.h.
6379         (process_options): Do not handle flag_old_unroll_loops.
6380
6381         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
6382         Documentation removed.
6383         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
6384
6385 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
6386
6387         * Makefile.in (STAGE1_CHECKING): New variable.
6388         (stage1_build): Use it.
6389         * tree-ssa.c (verify_ssa): Preserve state of dominance
6390         information.
6391
6392 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
6393
6394         * config/i386/i386.c (output_fp_compare): Add generation
6395         of ftst instruction.
6396         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
6397         Use output_fp_compare () function.
6398         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
6399         (fix_truncdi_memory): Remove operands[5] copy.
6400
6401 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
6402
6403         * config/m32r/m32r.md, config/m68k/m68kelf.h,
6404         config/mcore/mcore.md, config/rs6000/linux64.h,
6405         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
6406         typos.
6407
6408 2004-09-13  James E Wilson  <wilson@specifixinc.com>
6409
6410         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
6411         * gen-protos.c: Include errors.h.
6412         (progname): Delete.
6413
6414 2004-09-14  Jan Hubicka  <jh@suse.cz>
6415
6416         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
6417         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
6418         (predict_loops): Use number_of_iterations_exit to predict
6419         number of iterations on trees.
6420
6421 2004-09-13  Dale Johannesen  <dalej@apple.com>
6422
6423         PR 17408
6424         PR 17409
6425         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
6426         objects declared extern.
6427
6428 2004-09-14  Paul Brook  <paul@codesourcery.com>
6429
6430         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
6431         HOST_WIDE_INT.
6432
6433 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
6434
6435         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
6436         Only use TYPE_BINFO for aggregates.
6437
6438 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
6439
6440         * expmed.c (synth_mult): Initialize latency.  Check cost before
6441         checking ops count.
6442
6443 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
6444
6445         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
6446         add_call_clobber_ops and add_call_read_ops.
6447         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
6448         the number of vdefs and vuses inserted based on analysis of global
6449         variables across calls.  * tree-dfa.c (find_referenced_vars):
6450         Needed to reset static var maps before each function is compiled.
6451         * cgraphunit.c:
6452         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
6453         static_vars_info,functions_to_static_vars_info,module_statics_escape,
6454         all_module_statics,searchc_env,dfs_info): New fields to support
6455         analysis of static global variables.
6456         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
6457         cgraph_reset_static_var_maps, get_global_static_vars_info,
6458         get_global_statics_not_read, get_global_statics_not_written,
6459         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
6460         check_rhs_var, check_lhs_var, get_asm_expr_operands,
6461         process_call_for_static_vars, scan_for_static_refs,
6462         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
6463         clear_static_vars_maps, cgraph_propagate_bits,
6464         cgraph_characterize_statics): New. Functions to support analysis
6465         of static global variables.
6466         (cgraph_mark_local_and_external_functions): Renamed from:
6467         (cgraph_mark_local_functions)
6468         (cgraph_expand_all_functions): Remove call to
6469         cgraph_mark_local_and_external_functions.
6470         (cgraph_optimize): Added driver to analyze static variables whose
6471         scope is within the compilation unit.  * cgraph.h (struct
6472         cgraph_local_info, GTY): Added statics_read, statics_written,
6473         local, calls_read_all, calls_write_all, for_functions_valid.
6474         (struct cgraph_node): Added next_cycle.  * cgraph.c
6475         (dump_cgraph_node): Added print routines for new fields.  *
6476         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
6477         list.
6478
6479 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
6480
6481         * c-decl.c (grokdeclarator): Correct comments about where storage
6482         class specifiers are rejected by grammar and add corresponding
6483         asserts.  Diagnose typedefs and parameters declared inline.
6484         Change warning for inline main to a pedwarn.  Only diagnose inline
6485         main if hosted.
6486         (declspecs_add_scspec): Allow duplicate "inline".
6487
6488 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
6489
6490         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
6491         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
6492
6493 2004-09-13  Richard Henderson  <rth@redhat.com>
6494
6495         PR 17436
6496         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
6497         (tree_type): Replace spare with contains_placeholder_bits.
6498         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
6499         make static.  Remove seen_types list.
6500         (type_contains_placeholder_p): New.
6501
6502 2004-09-13  James E Wilson  <wilson@specifixinc.com>
6503
6504         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
6505         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
6506         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
6507         bdesc_arrays instead of mips_bdesc.
6508         (mips_init_builtins): Likewise.
6509         * config/mips/mips.h (TARGET_SB1): New.
6510         (HAVE_SQRT_P): Delete.
6511         * config/mips/mips.md (divide_condition): Support V2SF.
6512         (sqrt_condition, recip_condition): New.
6513         (div<mode>3): Use ANYF instead of SCALARF.
6514         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
6515         MODE.
6516         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
6517         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
6518         instead of MODE.
6519         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
6520         instead of SCALARF.  Use UNITMODE instead of MODE.
6521
6522 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
6523
6524         * config.in: Regenerate after removal of libbanshee.
6525
6526 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
6527
6528         PR tree-optimization/17400
6529         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6530         coalesce partitions when one occurs in an abnormal PHI.
6531
6532 2004-09-13  Andrew Pinski  <apinski@apple.com>
6533
6534         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
6535         name to _new_size.
6536
6537 2004-09-13  Richard Henderson  <rth@redhat.com>
6538
6539         PR inline-asm/6806
6540         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
6541         (cselib_invalidate_rtx_note_stores): New.
6542         (cselib_record_sets, cselib_process_insn): Update to match.
6543         * cselib.h (cselib_invalidate_rtx): Declare.
6544         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
6545
6546 2004-09-13  Richard Henderson  <rth@redhat.com>
6547
6548         PR tree-opt/10528
6549         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
6550         after copying its argument.
6551
6552 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
6553
6554         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
6555         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
6556         in diagnostics.  Use %' for English apostrophes.
6557         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
6558         (pedwarn_c90, pedwarn_c99): Use it.
6559         * c-decl.c (lookup_label): Quote label name in diagnostic.
6560         * c-parse.in (yyprint): Use ' instead of ` for left quote.
6561         * c-typeck.c (warn_for_assignment): Likewise.
6562
6563 2004-09-13  Jan Hubicka  <jh@suse.cz>
6564
6565         * i386.c (x86_schedule): New global variable.
6566         (override_options): Disable scheduling when not supported.
6567         * i386.h (x86_schedule): Declare.
6568         (TARGET_SCHEDULE): New macro.
6569
6570 2004-09-12  Richard Henderson  <rth@redhat.com>
6571
6572         PR c++/16254
6573         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
6574         * tree.c, tree.h (has_cleanups): Remove.
6575
6576 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6577
6578         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
6579         arguments of the phi nodes correctly.
6580
6581 2004-09-12  Jan Hubicka  <jh@suse.cz>
6582
6583         * ggc-common.c (cmp_statistics): Fix sorting.
6584
6585 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
6586
6587         PR target/16795
6588         * expmed.c (expand_divmod): If cheap power of 2 divide is
6589         available, use it for negative constant as well.
6590
6591 2004-09-12  Andrew Pinski  <apinski@apple.com>
6592
6593         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
6594         size of 0.
6595
6596         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
6597
6598 2004-09-12  Richard Henderson  <rth@redhat.com>
6599
6600         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
6601         or minus one.
6602         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
6603         post-reload, and scratch NULL.
6604         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
6605         (x86_shift_adj_2): Use ix86_expand_clear.
6606         (ashldi3): Remove CMOVE expansion difference.
6607         (ashldi3_1): Remove.
6608         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
6609         add constraints for immediates.  New peephole for split-with-temp.
6610         Run splitter after peep2 pass.
6611         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
6612         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
6613         (setcc_2): Rename with *.
6614         * config/i386/predicates.md (reg_or_pm1_operand): New.
6615         (ashldi_input_operand): New.
6616
6617 2004-09-12  Richard Henderson  <rth@redhat.com
6618
6619         * print-rtl.c (print_decl_name): New.
6620         (print_mem_expr): Use it.
6621
6622 2004-09-12  Richard Henderson  <rth@redhat.com
6623
6624         PR 17186, part deux
6625         * except.c (sjlj_emit_function_exit): Fix logic locating
6626         sjlj_exit_after in final block.
6627
6628 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
6629
6630         * common.opt: Remove flags -fmove-all-movables and
6631         -freduce-all-givs.
6632         * loop-invariant.c (find_invariants_to_move):
6633         Remove all uses of flag_move_all_movables.
6634         * loop.c (move_movables): Remove all uses of
6635         flag_move_all_movables.
6636         (strength_reduce): Remove all uses of
6637         flag_reduce_all_givs.
6638         * doc/invoke.texi: Remove documentation of flags
6639         -fremove-all-movables and -freduce-all-givs.
6640
6641 2004-09-11  Roger Sayle  <roger@eyesopen.com>
6642
6643         PR middle-end/17411
6644         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
6645         change. elt->type may be a floating point type, so use fold_convert.
6646
6647 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
6648
6649         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
6650         the thing referenced as used, not the stub itself.
6651
6652 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6653
6654         * c-tree.h (enum c_storage_class): New.
6655         (struct c_declspecs): Add storage_class, inline_p and thread_p.
6656         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
6657         declarations and "auto" or "register" in file scope empty
6658         declarations.  Give more specific warnings for other cases of
6659         storage class specifiers in empty declarations.
6660         (grokdeclarator): Update for new structures.  Don't check for
6661         multiple storage classes.  Diagnose file-scope "register" if
6662         pedantic.
6663         (build_null_declspecs): Update.
6664         (declspecs_add_scspec): Update.  Diagnose multiple storage class
6665         specifiers and invalid uses of "__thread".
6666
6667 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
6668
6669         * tree.c (tree_code_size): New function, bulk of code from tree_size.
6670         (tree_size, make_node): Use it.
6671         * tree-ssa-pre.c (init_pre): Use it.
6672         * tree.h: Prototype it.
6673
6674 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6675
6676         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
6677         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
6678         redirect_immediate_use): Use PHI_DF.
6679         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
6680         (bb_for_stmt): Use PHI_BB.
6681         (get_immediate_uses): Use PHI_DF.
6682         * tree-ssa-dse.c (max_stmt_uid): New variable.
6683         (get_stmt_uid): New function.
6684         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
6685         node annotations.
6686         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
6687         (max_uid): Renamed to max_stmt_uid.
6688         (get_stmt_uid): New function.
6689         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
6690         phi node annotations.
6691         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
6692         * tree.h (PHI_BB, PHI_DF): New accessor functions.
6693         (struct tree_phi_node): Add bb and df fields.
6694
6695 2004-09-11  Richard Henderson  <rth@redhat.com>
6696
6697         PR middle-end/17416
6698         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
6699         in conflict loop.
6700
6701 2004-09-11  Jan Hubicka  <jh@suse.cz>
6702
6703         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
6704         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
6705         * i386.md (i387_cw): Add 'uninitialized' mode.
6706
6707         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
6708         (output_location): Break out from ....
6709         (branch_prob): ... here; handle gcov output on trees.
6710         * toplev.c (process_options): No longer be sorry about coverage for
6711         trees.
6712
6713 2004-09-11  Steven Bosscher  <stevenb@suse.de>
6714
6715         PR c++/17412
6716         * fold-const.c (fold): Do not try to fold the operand of a
6717         CLEANUP_POINT_EXPR if that operand does itself not have any
6718         operands.
6719
6720         PR middle-end/17417
6721         * langhooks.c (lhd_decl_printable_name): Make sure that this
6722         function is called with is a decl node that has an identifier.
6723         * tree-pretty-print.c (dump_function_name): New function to
6724         wrap PRINT_FUNCTION_NAME and dump_decl_name.
6725         (print_call_name): Use it.
6726
6727 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
6728
6729         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
6730         "config.h" if not.
6731
6732 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
6733
6734         * tree-ssa-alias.c (collect_points_to_info_r): Handle
6735         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
6736         to OFFSET.
6737
6738 2004-09-11  Richard Henderson  <rth@redhat.com>
6739
6740         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
6741         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
6742         operand of the ADDR_EXPR.
6743         (expand_expr_real_1): Update to match.
6744
6745 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
6746
6747         PR target/17277
6748         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
6749         choose 64-bit version.
6750
6751 2004-09-11  Richard Henderson  <rth@redhat.com>
6752
6753         PR c/17396
6754         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
6755
6756 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
6757
6758         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
6759         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
6760         Insert @: after i.e. or e.g.
6761
6762 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
6763
6764         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
6765         D.xxx rather than <Dxxx>.
6766
6767 2004-09-10  Adam Nemet  <anemet@lnxw.com>
6768
6769         * configure.ac (AC_MSG_CHECKING(what linker to use)):
6770         in_tree_ld_is_elf should be true for LynxOS.
6771         * configure: Regenerate.
6772
6773 2004-09-10  Adam Nemet  <anemet@lnxw.com>
6774
6775         * Makefile.in (all.cross): Add srcextra.
6776
6777 2004-09-10  Roger Sayle  <roger@eyesopen.com>
6778
6779         PR middle-end/17024
6780         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
6781         floating point comparison operators.  Change aborts to gcc_asserts.
6782
6783 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
6784
6785         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
6786
6787 2004-09-10  James E Wilson  <wilson@specifixinc.com>
6788
6789         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
6790         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
6791
6792         * convert.c (convert_to_vector): Replace recursive call with
6793         error_mark_node.
6794
6795         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
6796         Add integer argument named constant.  Use const_tiny_rtx instead of
6797         CONST0_RTX.
6798         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
6799         and CONST1_RTX.
6800         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
6801         vector types.
6802         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
6803         of gen_rtx_raw_CONST_VECTOR.
6804
6805 2004-09-10  Eric Christopher  <echristo@redhat.com>
6806
6807         PR c/16046
6808         * c-parse.in (attribute): Add NULL_TREE for error case
6809         for error recovery.
6810
6811 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
6812
6813         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
6814         (extract_interface_info): Delete prototype.
6815         * c-decl.c (extract_interface_info): Delete stub.
6816         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
6817         it's not already been done ...
6818         (init_c_lex): ... not here.
6819         (fe_file_change): Don't call extract_interface_info.
6820
6821 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6822
6823         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
6824         typedef_p and typedef_signed_p.
6825         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
6826         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
6827         Check typedef_p and typedef_signed_p, not typedef_decl.
6828         (grokfield): Check typedef_p, not typedef_decl.
6829         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
6830         not typedef_decl.
6831         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
6832         typedef_decl.
6833
6834 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6835
6836         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
6837
6838 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
6839
6840         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
6841         temporary variables.
6842
6843         * dbxout.c (dbxout_block): Update for
6844         current_function_func_begin_label a string.
6845         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
6846         * except.c (dw2_output_call_site_table): Likewise.
6847         * toplev.c (current_function_func_begin_label): Likewise.
6848         * tree.h (current_function_func_begin_label): Likewise.
6849         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
6850
6851         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
6852         loop.
6853
6854         * config/darwin.c: Include target.h.
6855         (struct machopic_indirection): Make ptr_name a string.
6856         (machopic_indirection_hash): Update for ptr_name a string.
6857         (machopic_indirection_eq): Likewise.
6858         (machopic_indirection_name): Likewise.
6859         (machopic_output_indirection): Likewise.
6860         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
6861         string.  Don't expect stub names to be in the identifier hash table.
6862         Do call strip_name_encoding before looking up entry in ID hash table.
6863         * config/t-darwin (darwin.o): Add target.h to dependencies.
6864
6865         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
6866         of fprintf for register names.
6867
6868         * output.h (unlikely_section_label): Delete declaration.
6869         (unlikely_text_section_name): Likewise.
6870         * varasm.c (unlikely_section_label_printed): Make static.
6871         (unlikely_section_label): Likewise.
6872         (unlikely_text_section_name): Likewise.
6873         (assemble_start_function): Use reconcat.
6874
6875         * rtl.def (REG): Add comment to describe third field.
6876
6877 2004-09-10  Andrew Pinski  <apinski@apple.com>
6878
6879         * config/darwin.c (machopic_mcount_stub_name): Call
6880         machopic_indirection_name instead of making the string
6881         ourselves.
6882
6883 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
6884
6885         Revert
6886
6887         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
6888
6889             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
6890             memory tag is call clobbered, so are its aliases.
6891             (group_aliases): When two memory tags being grouped, if one is
6892             call clobbered, so are the other and its aliases.
6893             (add_may_alias): Remove call-clobbering stuff.
6894             (replace_may_alias): Likewise.
6895             (merge_pointed_to_info): Merge pt_global_mem
6896
6897 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6898
6899         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
6900         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
6901         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
6902         tree-scalar-evolution.c, tree-ssa-copyrename.c,
6903         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
6904
6905 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6906
6907         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
6908         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
6909         pair.  Remove match_dup from inputs.  Remove masaccs handling.
6910         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
6911         (masaccs, mdasaccs): Turn into define_insns.
6912
6913 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6914
6915         * tree-tailcall.c (process_assignment): Only do accumulator transforms
6916         for floating-point types if flag_unsafe_math_optimizations.
6917
6918 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6919
6920         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
6921         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
6922         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
6923         config/h8300/h8300.md, config/i386/gmm_malloc.h,
6924         config/ia64/ia64.md, config/ip2k/libgcc.S,
6925         config/mips/mips-ps-3d.md, config/mips/mips.c,
6926         config/rs6000/rs6000.c, config/s390/s390.c,
6927         config/sh/symbian.c: Fix comment typos.
6928
6929 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6930
6931         * config/s390/s390.c (s390_emit_prologue): Added missing
6932         "{}" brackets.
6933
6934 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6935
6936         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
6937         typos.  Follow spelling conventions.
6938
6939 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
6940
6941         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
6942         in diagnostic.  Don't dereference NULL TYPE_NAME.
6943
6944 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6945
6946         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
6947         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
6948         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
6949         value-prof.c: Fix comment typos.  Follow spelling conventions.
6950
6951 2004-09-10  Jan Hubicka  <jh@suse.cz>
6952
6953         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
6954         * tree-split_edge.c (tree_split_edge): Likewise.
6955         (thread_jumps): Likewise.
6956
6957 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6958
6959         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
6960         typos.
6961
6962 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
6963
6964         * cgraph.h (cgraph_dump_file): Do not declare.
6965         * cgraphunit.c (cgraph_dump_file): Declare as static.
6966         (init_cgraph): New.
6967         * toplev.c (cgraph_dump_file): Do not declare.
6968         (compile_file): Call init_cgraph.
6969         * tree-dump.c (dump_files): Add IPA dump file, remove
6970         XML dump of call graph.
6971         (get_dump_file_name): Support IPA dump file naming scheme.
6972         * tree.h (enum tree_dump_index): Add IPA dump file, remove
6973         XML dump of call graph.
6974         * doc/invoke.texi (Debugging Options): Document the new options.
6975
6976 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6977
6978         * doc/extend.texi: Document the FR-V built-in functions.
6979
6980 2004-09-09  James E Wilson  <wilson@specifixinc.com>
6981
6982         * doc/sourcebuild.texi: Delete libbanshee reference.
6983
6984 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
6985
6986         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
6987
6988 2004-09-09  James E Wilson  <wilson@specifixinc.com>
6989
6990         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
6991         before calling vector_types_convertible_p.
6992         (digest_init): Check that inside_init has VECTOR_TYPE before calling
6993         vector_types_convertible_p.  Don't give another error if
6994         convert_for_assignment returns error_mark_node.
6995
6996 2004-09-09  Roger Sayle  <roger@eyesopen.com>
6997
6998         PR middle-end/17055
6999         * fold-const.c (build_zero_vector): New function to construct a
7000         vector (either floating point or integer) of zeros.
7001         (fold_convert): Internally, enable conversions of integer zero
7002         to arbitrary vector types, using the new build_zero_vector.
7003
7004 2004-09-09  Roger Sayle  <roger@eyesopen.com>
7005
7006         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
7007         expand a left shift by an immediate constant as either an ashl or
7008         a sequence of additions.
7009         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
7010         instead of calling gen_ashlsi3 with a constant directly.
7011
7012 2004-09-09  Roger Sayle  <roger@eyesopen.com>
7013
7014         * config/i386/i386.c (ix86_split_long_move): When optimizing for
7015         size, and the low and high parts of a DImode constant are equal,
7016         copy one register to another instead of loading the same immediate
7017         value twice.
7018
7019 2004-09-09  Richard Henderson  <rth@redhat.com>
7020
7021         PR middle-end/17367
7022         * function.c (assign_parm_setup_block): Only put PARALLELs into
7023         a register if use_register_for_decl.
7024
7025 2004-09-09  Eric Christopher  <echristo@redhat.com>
7026
7027         * ra-colorize.c (reset_lists): Move variable declaration inside
7028         ENABLE_CHECKING to avoid unused variable warnings when
7029         not --enable-checking.
7030         (check_colors): Ditto.
7031
7032 2004-09-09  Mike Stump  <mrs@apple.com>
7033
7034         * version.c (version_string): Bump to 4.0.0.
7035         * doc/include/gcc-common.texi (version-GCC): Likewise.
7036
7037 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
7038
7039         * doc/extend.texi (nothrow attribute): The attribute is not
7040         implemented in 3.2 and earlier.
7041
7042 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
7043
7044         * genrecog.c (compute_predicate_codes): Use op0_codes
7045         instead of codes.
7046
7047 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
7048
7049         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
7050         implementation changes.
7051
7052 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
7053
7054         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
7055         a PARALLEL instead of a SET due to added clobbers.
7056
7057 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
7058
7059         * reload.c (find_reloads_address): Pass correct operand to
7060         maybe_memory_address_p.
7061
7062 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
7063
7064         * Makefile.in: Remove libbanshee, tree-alias-*.
7065         Remove tree-alias-common.h dependencies.
7066         * common.opt: Remove -ftree-points-to.
7067         * configure.ac: Remove libbanshee.
7068         * flags.h: Remove pta_type, flag_tree_points_to.
7069         * gengtype.c (open_base_files): Remove tree-alias-type.h.
7070         * opts.c (OPT_ftree_points_to): Remove.
7071         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
7072         * tree-dfa.c: Remove tree-alias-common.h
7073         * tree-into-ssa.c: Ditto.
7074         * tree-outof-ssa.c: Ditto.
7075         * tree-ssa-copyrename.c: Ditto.
7076         * tree-ssa-live.c: Ditto.
7077         * tree-optimize.c: Ditto.
7078         * tree-ssa.c: Ditto.
7079         Remove pass_build_pta, pass_del_pta.
7080         * tree-pass.h: Ditto.
7081         * tree-ssa-alias.c: Remove tree-alias-common.h.
7082         (struct alias_stats_d): Remove pta_queries, pta_resolved.
7083         (pass_may_alias): Remove PROP_pta requirement.
7084         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
7085         (get_tmt_for): Ditto.
7086         (dump_alias_stats): Ditto.
7087         * doc/passes.texi: Remove blurb about points-to analysis.
7088         * fortran/Make-lang.in: Remove tree-alias-*.o.
7089
7090 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
7091
7092         * genattrtab.c (write_insn_cases): New function, split out from
7093         write_attr_case.  Correctly handle define_peepholes when printing
7094         the instruction name.
7095         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
7096
7097 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
7098
7099         PR target/17377
7100         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
7101         * config/cris/cris.c (cris_return_address_on_stack): New function.
7102         * config/cris/cris.md ("return"): For location of return address,
7103         also check cris_return_address_on_stack.
7104
7105 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
7106
7107         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
7108         calling phi_ssa_name_p.
7109
7110 2004-09-09  Richard Henderson  <rth@redhat.com>
7111
7112         PR c/17322
7113         * c-typeck.c (valid_compound_expr_initializer): Use only
7114         initializer_constant_valid_p, and not TREE_CONSTANT.
7115         (digest_init): Likewise.
7116         (output_init_element): Likewise.
7117
7118 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
7119
7120         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
7121         live_out_1, prune_hardregs_for_mode, init_one_web_common,
7122         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
7123         record_conflict, compare_and_free_webs, init_webs_defs_uses,
7124         parts_to_webs_1, parts_to_webs, reset_conflicts,
7125         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
7126         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
7127         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
7128         put_move, remove_move, combine, select_spill, colorize_one_web,
7129         try_recolor_web, insert_coalesced_conflicts, check_colors,
7130         break_precolored_alias, restore_conflicts_from_coalesce,
7131         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
7132         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
7133         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
7134         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
7135         check_df): Likewise.
7136         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
7137         real_arithmetic, real_compare, real_exponent, real_ldexp,
7138         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
7139         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
7140         real_digit, real_nan, real_maxval, round_for_format, real_convert,
7141         real_to_target, real_from_target, real_hash, encode_ieee_single,
7142         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
7143         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
7144         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
7145         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
7146         extract_insn, peep2_next_insn, peep2_reg_dead_p,
7147         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
7148         if_test_bypass_p): Likewise.
7149         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
7150         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
7151         emit_swap_insn, swap_to_top, move_for_stack_reg,
7152         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
7153         compensate_edge, convert_regs_1): Likewise.
7154         * regclass.c (init_reg_sets, init_reg_sets_1,
7155         memory_move_secondary_cost): Likewise.
7156         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
7157         Likewise.
7158         * reload.c (push_secondary_reload, find_valid_class, push_reload,
7159         operands_match_p, decompose, immune_p, find_reloads,
7160         find_reloads_toplev, find_reloads_address_1, subst_reloads,
7161         copy_replacements, refers_to_regno_for_reload_p,
7162         reg_overlap_mentioned_for_reload_p): Likewise.
7163         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
7164         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
7165         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
7166         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
7167         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
7168         do_output_reload, fixup_abnormal_edges): Likewise.
7169         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
7170         fill_slots_from_thread, relax_delay_slots): Likewise.
7171         * resource.c (mark_referenced_resources, mark_set_resources):
7172         Likewise.
7173         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
7174         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
7175         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
7176         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
7177         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
7178         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
7179         * rtlhooks.c (gen_lowpart_general): Likewise.
7180         * sbitmap.c (sbitmap_difference): Likewise.
7181         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
7182         sched_analyze, add_forward_dependence): Likewise.
7183         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
7184         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
7185         schedule_insns): Likewise.
7186         * sched-vis.c (print_pattern): Likewise.
7187         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
7188         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
7189         simplify_const_relational_operation, simplify_ternary_operation,
7190         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
7191         Likewise.
7192         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
7193         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
7194         resolve_operand_name_1, expand_return, expand_decl,
7195         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
7196         * stor-layout.c (put_pending_size, smallest_mode_for_size,
7197         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
7198         set_sizetype, get_mode_bounds): Likewise.
7199
7200 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
7201
7202         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
7203         * config/arm/pecoff.h, config/i386/beos-elf.h
7204         * config/i386/cygming.h, config/i386/i386-interix.h:
7205         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
7206         comment cloned from manual.
7207         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
7208
7209 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
7210
7211         * builtins.c (build_va_arg_indirect_ref): New function.
7212         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
7213         build_fold_indirect_ref.
7214         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
7215         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
7216         * tree.h: Declare new function.
7217
7218 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7219
7220         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
7221         dumping for development builds.
7222         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
7223         development builds only.
7224         * genattrtab.c (write_eligible_delay): Fix typo in previous
7225         commit.
7226         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
7227         gcc_assert.
7228
7229 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7230
7231         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
7232         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
7233         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
7234         hoist_code, extract_mentioned_regs_helper, compute_store_table,
7235         insert_store): Use gcc_assert and gcc_unreachable.
7236         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
7237         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
7238         ggc_record_overhead): Likewise.
7239         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
7240         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
7241         ggc_pop_context, clear_marks, validate_free_objects,
7242         ggc_pch_read): Likewise.
7243         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
7244         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
7245         ggc_push_context, check_cookies, ggc_collect,
7246         ggc_print_statistics): Likewise.
7247         * gimple-low.c (lower_function_body, lower_stmt,
7248         lower_bind_expr): Likewise.
7249         * gimplify.c (gimple_tree_eq, push_gimplify_context,
7250         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
7251         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
7252         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
7253         gimplify_case_label_expr, gimplify_exit_block_expr,
7254         canonicalize_component_ref, gimplify_compound_lval,
7255         gimplify_self_mod_expr, gimplify_call_expr,
7256         gimplify_init_ctor_eval, gimplify_init_constructor,
7257         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
7258         gimplify_expr, check_pointer_types_r,
7259         force_gimple_operand): Likewise.
7260         * global.c (global_alloc, build_insn_chain): Likewise.
7261         * graph.c (clean_graph_dump_file,
7262         finish_graph_dump_file): Likewise.
7263         gcov-io.c (gcov_open): Use GCOV_CHECK.
7264
7265 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
7266
7267         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
7268
7269 2004-09-09  Jan Hubicka  <jh@suse.cz>
7270
7271         middle-end/17128
7272         * tree-inline.c (expand_call_inline): Make overactive sanity check
7273         happy.
7274
7275 2004-09-09  Jan Hubicka  <jh@suse.cz>
7276
7277         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
7278         VIEW_CONVERT_EXPR.
7279
7280 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7281
7282         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
7283         (gengtype.o): Depend on errors.h.
7284         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
7285         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
7286         attr_alt_subset_p, attr_alt_subset_of_compl_p,
7287         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
7288         write_test_expr, write_attr_value, write_eligible_delay,
7289         make_internal_attr, make_numeric_value): Likewise.
7290         * genautomata.c (regexp_name, get_str_vect,
7291         gen_presence_absence_set, automaton_decl_hash,
7292         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
7293         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
7294         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
7295         test_unit_reserv, it_is_empty_reserv_sets,
7296         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
7297         reserv_sets_and, output_cycle_reservs, get_free_state,
7298         intersected_state_reservs_p, states_union, remove_arc,
7299         copy_insn_regexp, transform_1, transform_2, transform_3,
7300         regexp_transform_func, store_alt_unit_usage,
7301         check_regexp_units_distribution, process_seq_for_forming_states,
7302         process_alts_for_forming_states, make_automaton,
7303         form_arcs_marked_by_insn, create_composed_state,
7304         set_out_arc_insns_equiv_num, partition_equiv_class,
7305         process_insn_equiv_class, set_insn_equiv_classes,
7306         units_to_automata_heuristic_distr, form_regexp,
7307         longest_path_length, output_dfa_max_issue_rate, add_vect,
7308         out_state_arcs_num, add_vect_el, output_trans_table,
7309         output_state_alts_table, output_dead_lock_vect,
7310         output_max_insn_queue_index_def,
7311         output_min_insn_conflict_delay_func,
7312         output_internal_insn_latency_func, output_print_reservation_func,
7313         output_cpu_unit_reservation_p, output_state_arcs,
7314         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
7315         make_default_insn_latency_attr,
7316         form_important_insn_automata_lists): Likewise.
7317         * genemit.c (gen_exp, output_add_clobbers,
7318         output_added_clobbers_hard_reg_p): Likewise.
7319         * genextract.c (print_path, main): Likewise.
7320         * genflags.c (gen_macro): Likewise.
7321         * gengenrtl.c: Include errors.h
7322         (type_from_format, accessor_from_format): Likewise.
7323         * gengtype.c (get_file_basename, output_mangled_typename,
7324         walk_type, write_types_process_field,
7325         write_types_local_process_field): Likewise.
7326         * genmodes.c (complete_mode): Likewise.
7327         * genopinit.c (gen_insn): Likewise.
7328         * genoutput.c (output_insn_data, check_constraint_len,
7329         constraint_len): Likewise.
7330         * genpreds.c (add_mode_tests):Likewise.
7331         * gen-protos.c (add_hash): Likewise.
7332         * genrecog.c (find_operand, find_matching_operand,
7333         validate_pattern, add_to_sequence, maybe_both_true,
7334         nodes_identical_1, merge_trees, write_switch, write_cond,
7335         write_action, is_unconditional, make_insn_sequence,
7336         debug_decision_2): Likewise.
7337         * gensupport.c (is_predicable, collect_insn_data,
7338         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
7339
7340 2004-09-09  Jan Hubicka  <jh@suse.cz>
7341
7342         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
7343         * cfgbuild.c (compute_outgoing_frequencies): When probability is
7344         missing, guess it.
7345         (find_many_sub_basic_blocks): Do update profile only when it is
7346         present.
7347         * predict.c (set_even_probabilities): Break out from ...
7348         (combine_predictions_for_insn): ... here; deal with
7349         !can_predict_insn_p insns.
7350         (combine_predictions_for_bb): Use set_even_probabilities.
7351         (bb_estimate_probability_locally): Break out from ....
7352         (estimate_probability): ... here.
7353         (guess_outgoing_edge_probabilities): New entry point.
7354
7355 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7356
7357         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
7358         handle_braces, process_brace_body, main, used_arg,
7359         set_multilib_dir, print_multilib_info): Use fatal, not abort.
7360
7361         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
7362
7363         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
7364         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
7365         Morgan's theorem in last checkin.
7366
7367 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
7368             Nathan Sidwell  <nathan@codesourcery.com>
7369
7370         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
7371         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
7372         * timevar.c (timevar_push, timevar_pop, timevar_start,
7373         timevar_stop): Likewise.
7374         * toplev.c (default_pch_valid_p): Likewise.
7375         * tracer.c (tail_duplicate): Likewise.
7376         * tree-alias-common.c (get_alias_var_decl,
7377         get_values_from_constructor, create_alias_var, delete_alias_vars,
7378         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
7379         Likewise.
7380         * tree.c (tree_size, make_node_stat, copy_node_stat,
7381         build_int_cst_wide, integer_all_onesp, list_length, chainon,
7382         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
7383         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
7384         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
7385         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
7386         build_method_type_directly, decl_type_context, get_callee_fndecl,
7387         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
7388         tree_fold_gcd): Likewise.
7389         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
7390         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
7391         cleanup_control_expr_graph, find_taken_edge,
7392         find_taken_edge_switch_expr, phi_alternatives_equal,
7393         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
7394         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
7395         tree_split_edge, tree_verify_flow_info, thread_jumps,
7396         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
7397         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7398         chrec_fold_multiply_poly_poly): Likewise.
7399         * tree-complex.c (extract_component, expand_complex_division,
7400         expand_complex_comparison, expand_complex_operations_1,
7401         build_replicated_const, expand_vector_operations_1): Likewise.
7402         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
7403         build_classic_dir_vector): Likewise.
7404         * tree-dfa.c (compute_immediate_uses_for_phi,
7405         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
7406         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
7407         * tree-dump.c (dequeue_and_dump): Likewise.
7408         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
7409         record_in_finally_tree, replace_goto_queue_1,
7410         maybe_record_in_goto_queue, verify_norecord_switch_expr,
7411         do_return_redirection): Likewise.
7412         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
7413         add_to_dst_predicate_list, find_phi_replacement_condition,
7414         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
7415         Likewise.
7416         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
7417         initialize_inlined_parameters, declare_return_variable,
7418         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
7419         optimize_inline_calls, copy_tree_r): Likewise.
7420         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
7421         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
7422         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
7423         tsi_split_statement_list_after, tsi_split_statement_list_before):
7424         Likewise.
7425         * tree-mudflap.c (mf_varname_tree): Likewise.
7426         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
7427         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
7428         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7429         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
7430         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
7431         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
7432         Likewise.
7433         * tree-phinodes.c (resize_phi_node, add_phi_arg,
7434         remove_all_phi_nodes_for): Likewise.
7435         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
7436         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
7437         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
7438         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
7439         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
7440         generate_one_element_ref, generate_element_copy,
7441         generate_element_zero, scalarize_copy, scalarize_init,
7442         scalarize_ldst): Likewise.
7443         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
7444         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
7445         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
7446         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
7447         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
7448         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
7449         widen_bitfield, ccp_fold_builtin): Likewise.
7450         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
7451         replace_exp_1, propagate_tree_value): Likewise.
7452         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
7453         * tree-ssa-dce.c (set_control_dependence_map_bit,
7454         find_control_dependence, find_pdom, mark_operand_necessary,
7455         mark_stmt_if_obviously_necessary,
7456         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
7457         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
7458         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
7459         eliminate_redundant_computations, avail_expr_eq): Likewise.
7460         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
7461         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7462         duplicate_blocks): Likewise.
7463         * tree-ssa-loop-im.c (for_each_index, set_level,
7464         is_call_clobbered_ref): Likewise.
7465         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
7466         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
7467         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
7468         peel_address, ptr_difference_cost, may_replace_final_value,
7469         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
7470         rewrite_use, rewrite_uses): Likewise.
7471         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7472         check_loop_closed_ssa_use): Likewise.
7473         * tree-ssanames.c (make_ssa_name): Likewise.
7474         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
7475         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
7476         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
7477         get_indirect_ref_operands, add_stmt_operand): Likewise.
7478         * tree-ssa-pre.c (value_exists_in_set_bitmap,
7479         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
7480         phi_translate, valid_in_set, compute_antic,
7481         find_or_generate_expression, create_expression_by_pieces, insert_aux,
7482         create_value_expr_from, eliminate): Likewise.
7483         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
7484         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
7485         Likewise.
7486         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
7487         eliminate_tail_call): Likewise.
7488         * tree-vectorizer.c (vect_create_index_for_array_ref,
7489         vect_align_data_ref, vect_create_data_ref,
7490         vect_create_destination_var, vect_get_vec_def_for_operand,
7491         vect_finish_stmt_generation, vect_transform_stmt,
7492         vect_transform_loop_bound, vect_transform_loop,
7493         vect_analyze_operations): Likewise.
7494         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
7495         Likewise.
7496         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
7497         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
7498         bsi_after_labels, bsi_last): Likewise.
7499         * tree-ssa-live.c (var_union, change_partition_var,
7500         create_ssa_var_map, calculate_live_on_entry, root_var_init,
7501         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
7502         Likewise.
7503         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
7504         tpa_find_tree): Likewise.
7505         (register_ssa_partition_check): Declare.
7506         (register_ssa_partition): use it.
7507         * tree-ssa-live.c: Include errors.h.
7508         (register_ssa_partition_check): New.
7509         * tree-ssa-operands.c: Include errors.h.
7510         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
7511
7512 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
7513             Catherine Moore  <clm@redhat.com>
7514
7515         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
7516         (FRV_CPU_FR405): New processor enums.
7517         (frv_issue_rate, frv_acc_group): Declare.
7518         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
7519         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
7520         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
7521         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
7522         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
7523         handled by CPP_SPEC.
7524         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
7525         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
7526         (ACC_MASK): New macro.
7527         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
7528         (TARGET_MEDIA_FR450): New macro.
7529         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
7530         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
7531         (LABEL_ALIGN_AFTER_BARRIER): Define.
7532         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
7533         (IACC_FIRST, IACC_LAST): New pair of SPRs.
7534         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
7535         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7536         (REGISTER_NAMES): Add entries for new registers.
7537         (REG_CLASS_CONTENTS): Update for new register ranges.
7538         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
7539         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
7540         (PACKING_FLAG_USED_P): Delete.
7541         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
7542         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
7543         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
7544         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
7545         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
7546         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
7547         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
7548         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
7549         (CPU_UNITS_QUERY): Define to 1.
7550         * config/frv/frv.c: Include gt-frv.h
7551         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
7552         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
7553         (frv_insn_group): New enumeration.
7554         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
7555         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
7556         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
7557         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
7558         gap left by REGSTATE_LIVE.
7559         (regstate_t): New typedef.
7560         (TARGET_MACHINE_DEPENDENT_REORG): Define.
7561         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
7562         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
7563         Initialize frv_unit_codes[] and frv_type_to_unit[].
7564         (frv_conditional_register_usage): Remove redundant fixing of
7565         accumulator registers.
7566         (frv_insn_packing_flag): Update specification.
7567         (frv_function_prologue): Don't set frv_insn_packing_flag here.
7568         Zero out frv_nops[].
7569         (frv_expand_epilogue): Remove comments about the no-longer-present
7570         SIBCALL_P argument.
7571         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
7572         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
7573         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
7574         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
7575         packing is disabled and if INSN can only issue to M1.
7576         (call_operand): Check TARGET_LONG_CALLS.
7577         (acc_operand, even_acc_operand, quad_acc_operand)
7578         (accg_operand): Simplify.  Don't accept pseudo registers.
7579         (output_move_single): Handle SPR<-zero moves.
7580         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
7581         (frv_registers_update, frv_registers_used_p): Delete.
7582         (frv_registers_set_p): Delete.
7583         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
7584         (frv_issues_to_branch_unit_p): New function.
7585         (frv_packet): New structure.
7586         (frv_cond_flags, frv_regstate_conflict_p): New functions.
7587         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
7588         (frv_registers_update_1, frv_registers_update): New functions.
7589         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
7590         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
7591         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
7592         (frv_sort_insn_group, frv_reorder_packet): New functions.
7593         (frv_pack_insns): Use frv_reorder_packet.
7594         (frv_packet_address): New variable.
7595         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
7596         (frv_register_nop, frv_reorg): New functions.
7597         (bdesc_1arg): Add __SCUTSS.
7598         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
7599         __SUBSS, __SLASS and __SCAN.
7600         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
7601         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
7602         (frv_init_builtins): Register the above builtins.
7603         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
7604         registers.  Turn the referenced accumulators into global registers.
7605         (frv_read_iacc_argument): New function.
7606         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
7607         (frv_split_iacc_move): New function.
7608         (frv_expand_builtin): Handle the new builtins.
7609         * config/frv/frv.md: Replace old schedulers with new order-independent
7610         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
7611         packing algorithm.
7612         (cpu): Add fr550, fr450 and fr405.
7613         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
7614         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
7615         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
7616         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
7617         (fnop, mnop): New patterns.
7618         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
7619         New constants.
7620         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
7621         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
7622         registers.
7623         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
7624         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
7625         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
7626         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
7627         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
7628         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
7629         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
7630         (frv_prefetch0, frv_prefetch): New patterns.
7631         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
7632         -mcpu=simple.  Add -mcpu=fr550.
7633         (MULTILIB_DIRNAMES): Update accordingly.
7634         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
7635         -mcpu=fr450.
7636         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
7637         -mlong-calls and -malign-labels options for FR-V.
7638
7639 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
7640
7641         PR c/8420
7642         * c-tree.h (struct c_declspecs): New.
7643         (struct c_declarator, struct c_type_name, struct c_parm): Update
7644         element types.
7645         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
7646         start_function, start_decl, build_c_parm,
7647         make_pointer_declarator): Update prototypes.
7648         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7649         declspecs_add_scspec, declspecs_add_attrs): New.
7650         (split_specs_attrs): Remove.
7651         * c-parse.in (%union): Add dsptype.
7652         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
7653         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
7654         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
7655         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
7656         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
7657         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
7658         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
7659         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
7660         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
7661         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
7662         maybe_type_quals_attrs): Change to dsptype.
7663         (struct c_declspec_stack): New.
7664         (current_declspecs, declspec_stack): Change type.
7665         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
7666         structures.
7667         (extdefs): Likewise.
7668         (setspecs): Likewise.
7669         (fndef): Use current_declspecs for empty declspecs list.
7670         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
7671         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
7672         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
7673         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
7674         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
7675         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
7676         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
7677         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
7678         structures and helper functions.  Update comments.
7679         (typespec_nonattr): Correct comment.
7680         (maybe_type_quals_attrs, typename): Update to new structures.
7681         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
7682         shadow_tag, shadow_tag_warned, start_function, start_decl,
7683         build_c_parm, make_pointer_declarator,
7684         set_array_declarator_inner, groktypename): Update to new
7685         structures.
7686         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7687         declspecs_add_scspec, declspecs_add_attrs): New.
7688         (split_specs_attrs): Remove.
7689         (shadow_tag_warned): Make warning for useless type names a
7690         pedwarn.  Give hard error for long, short, signed, unsigned or
7691         _Complex used with struct, union or enum in empty declaration.
7692         Make found_tag a bool.
7693         (grokdeclarator): Remove checks now done at parse time.
7694
7695 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
7696
7697         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
7698         c_declarator, struct c_type_name, struct c_parm): New.
7699         (build_array_declarator, set_array_declarator_inner,
7700         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
7701         start_function, start_decl, build_c_parm, build_attrs_declarator,
7702         build_function_declarator, make_pointer_declarator, c_cast_expr,
7703         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
7704         (build_id_declarator): New.
7705         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
7706         structures.
7707         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
7708         ARG_INFO_OTHERS): Remove.
7709         (build_id_declarator): New.
7710         (build_array_declarator, set_array_declarator_inner, groktypename,
7711         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
7712         grokfield, start_function, store_parm_decls_newstyle,
7713         store_parm_decls_oldstyle, store_parm_decls,
7714         build_c_parm, build_attrs_declarator, build_function_declarator,
7715         make_pointer_declarator, grokdeclarator): Update to new
7716         structures.
7717         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
7718         parmtype.
7719         (declarator, notype_declarator, after_type_declarator,
7720         parm_declarator, parm_declarator_starttypename,
7721         parm_declarator_nostarttypename, array_declarator, typename,
7722         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
7723         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
7724         parmlist_1, parmlist_2, parmlist_or_identifiers,
7725         parmlist_or_identifiers_1): Use these types.
7726         (primary, after_type_declarator, parm_declarator_starttypename,
7727         notype_declarator, component_decl, component_declarator,
7728         component_notype_declarator, typename, absdcl,
7729         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
7730         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
7731
7732 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
7733
7734         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
7735         in_typeof, record_maybe_used_decl, pop_maybe_used,
7736         c_expr_sizeof_expr, c_expr_sizeof_type): New.
7737         * c-decl.c (parser_obstack): New.
7738         (c_init_decl_processing): Initialize parser_obstack.
7739         (c_write_global_declarations_1): Check for used but undefined
7740         static functions.
7741         * c-parse.in (%union): Add otype.
7742         (save_obstack_position): New.
7743         (extdefs): Use it.
7744         (unary_expr): Update in_sizeof and in_alignof.  Use
7745         c_expr_sizeof_expr and c_expr_sizeof_type.
7746         (sizeof): Update in_sizeof.
7747         (alignof): Update in_alignof.
7748         (typeof): Update in_typeof.
7749         (typespec_nonreserved_nonattr): Call pop_maybe_used.
7750         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
7751         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
7752         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
7753         (build_external_ref): Set C_DECL_USED or call
7754         record_maybe_used_decl if appropriate.
7755         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
7756
7757 2004-09-08  Eric Christopher  <echristo@redhat.com>
7758
7759         * builtins.c: Fix prototype for fold_builtin_atan.
7760
7761 2004-09-08  Eric Christopher  <echristo@redhat.com>
7762
7763         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
7764         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
7765         fold_builtin_atan): New functions. Migrate function bodies...
7766         (fold_builtin_1): ... from here.
7767
7768 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
7769
7770         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
7771         save_size.
7772
7773 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
7774
7775         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
7776         * config/rs6000/power5.md (power5-lmul): Same.
7777
7778 2004-09-08  Richard Henderson  <rth@redhat.com>
7779
7780         PR rtl-opt/17186
7781         * function.c (expand_function_end): Have fall-off-the-end
7782         return path jump around return register setup.
7783
7784 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7785
7786         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
7787         (output_return): Do not test for the presence of the 'unimp' insn.
7788         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
7789         as predicates instead of custom ones.  Return raw strings when
7790         possible.
7791         (output_sibcall): Likewise.  Concatenate strings.
7792         (output_ubranch): Remove kludge for TurboSPARC.
7793         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
7794         (output_v9branch): Likewise.
7795         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
7796         <#>: Set sparc_indent_opcode if the delay slot is filled.
7797         <(>: Likewise.
7798         <)>: New operand to emit the displacement from the saved PC on return.
7799         <@>: Remove.
7800         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
7801         (ASM_OUTPUT_OPCODE): New macro.
7802         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
7803         * config/sparc/sparc.md (normal_branch, inverted_branch,
7804         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
7805         inverted_fpe_branch): Adjust call to output_cbranch.
7806         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
7807         call to output_v9branch.
7808         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
7809         (output_v9branch): Likewise.
7810
7811 2004-09-08  Devang Patel  <dpatel@apple.com>
7812
7813         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
7814         -segs_read_only_addr and -segs_read_write_addr.
7815         (WORD_SWITCH_TAKES_ARG): Same.
7816         (LINK_SPEC): Same.
7817         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
7818         -segs_read_write_addr.
7819
7820 2004-09-08  Richard Henderson  <rth@redhat.com>
7821
7822         * function.c (reference_callee_copied): New.
7823         (assign_parm_setup_reg): Use it.
7824         * calls.c (initialize_argument_information): Likewise.
7825         (emit_library_call_value_1): Likewise.
7826         * function.h (reference_callee_copied): Declare.
7827
7828         * target.h (struct gcc_target): Add callee_copies.
7829         * target-def.h (TARGET_CALLEE_COPIES): New.
7830         (TARGET_PASS_BY_REFERENCE): Update default.
7831         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7832         * targhooks.c (hook_callee_copies_named): New.
7833         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
7834         hook_pass_by_reference_false.
7835         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
7836         * targhooks.h: Update decls.
7837         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
7838         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7839         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
7840         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
7841         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7842         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
7843         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7844         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
7845         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7846         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
7847         (mips_callee_copies): New.
7848         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7849         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
7850         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7851         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
7852         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7853         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
7854         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7855         * config/sh/sh.c (sh_callee_copies): New.
7856         (TARGET_CALLEE_COPIES): New.
7857         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7858         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
7859         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7860         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
7861         for FUNCTION_ARG_CALLEE_COPIES.
7862         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
7863
7864 2004-09-08  Devang Patel  <dpatel@apple.com>
7865
7866         * tree-if-conv.c (find_phi_replacement_condition): Return true
7867         edge block.
7868         (replace_phi_with_cond_modify_expr): Select conditional expr args
7869         based on true edge basic block.
7870
7871 2004-09-08  Jan Hubicka  <jh@suse.cz>
7872
7873         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
7874         variables being alias set.
7875
7876 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7877
7878         * final.c (shorten_branches, final, get_insn_template,
7879         output_alternate_entry_point, final_scan_insn, alter_subreg,
7880         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
7881         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
7882         * fix-header.c (lookup_std_proto): Likewise.
7883         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
7884         verify_local_live_at_start, update_life_info, mark_reg,
7885         calculate_global_regs_live, allocate_reg_life_data,
7886         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
7887         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
7888         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
7889         * fold-const.c (force_fit_type, div_and_round_double,
7890         may_negate_without_overflow_p, int_const_binop, const_binop,
7891         size_binop, size_diffop, fold_convert_const, fold_convert,
7892         invert_tree_comparison, swap_tree_comparison,
7893         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
7894         range_binop, make_range, fold_cond_expr_with_comparison,
7895         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
7896         fold_abs_const, fold_not_const, fold_relational_const, round_up,
7897         round_down): Likewise.
7898         * function.c (find_function_data, assign_stack_temp_for_type,
7899         instantiate_virtual_regs_lossage, aggregate_value_p,
7900         assign_parm_find_entry_rtl, assign_parm_setup_block,
7901         expand_function_start, expand_function_end, keep_stack_depressed,
7902         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
7903
7904 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
7905
7906         * Makefile.in (tree-loop-linear.o): Added.
7907         (OBJS-common): Add tree-loop-linear.o
7908         * common.opt: New flag, ftree-loop-linear.
7909         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
7910         * tree-flow.h: Add prototype for linear_transform_loops.
7911         * tree-optimize.c: Add linear transform after vectorization.
7912         * tree-pass.h: Add struct pass_linear_transform.
7913         * tree-ssa-loop.c: Add pass_linear_transform.
7914         * tree-loop-linear.c: New file.
7915         * lambda-code.c: gcc_assertify.
7916         (gcc_loop_to_lambda_loop): Handle all exit tests.
7917         Handle case where we have (invariant >= induction var).
7918         (find_induction_var_from_exit_cond): Ditto.
7919
7920 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
7921
7922         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
7923         memory tag is call clobbered, so are its aliases.
7924         (group_aliases): When two memory tags being grouped, if one is
7925         call clobbered, so are the other and its aliases.
7926         (add_may_alias): Remove call-clobbering stuff.
7927         (replace_may_alias): Likewise.
7928         (merge_pointed_to_info): Merge pt_global_mem
7929
7930 2004-09-08  Jan Hubicka  <jh@suse.cz>
7931
7932         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
7933         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
7934         (cgraph_expand_function): Remove stale cgraph edges of currently
7935         compiled function; fix non-unit-at-a-time code copying function
7936         node for later reuse.
7937
7938 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7939
7940         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
7941         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
7942         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
7943         (vec_gc_free, vec_heap_free): New.
7944         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
7945         (DEF_VEC_P): Add allocator argument. Adjust.
7946         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
7947         (DEF_VEC_O): Add allocator argument. Adjust.
7948         (VEC(free)): New.
7949
7950         * tree.h (tree): Define a GC'd vector.
7951         * lamba-code.c (lambda_loop): Likewise.
7952         * value-prof.h (histogram_value): Likewise.
7953
7954 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7955
7956         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
7957         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
7958         gen_lowpart_common, gen_highpart, gen_highpart_mode,
7959         subreg_highpart_offset, operand_subword, operand_subword_force,
7960         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
7961         set_mem_alias_set, change_address_1, verify_rtx_sharing,
7962         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
7963         try_split, add_insn_after, add_insn_before, remove_insn,
7964         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
7965         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
7966         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
7967         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
7968         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
7969         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
7970         record_path_before_1, check_path_after_1, check_path_after): Likewise.
7971         * except.c (gen_eh_region, resolve_one_fixup_region,
7972         remove_unreachable_regions, convert_from_eh_region_ranges_1,
7973         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
7974         connect_post_landing_pads, sjlj_emit_function_exit,
7975         remove_exception_handler_label, remove_eh_handler,
7976         reachable_next_level, collect_one_action_chain,
7977         output_function_exception_table): Likewise.
7978         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
7979         optimize_save_area_alloca, allocate_dynamic_stack_space,
7980         probe_stack_range, hard_function_value): Likewise.
7981         * expmed.c (mode_for_extraction, store_bit_field,
7982         store_fixed_bit_field, extract_bit_field, expand_shift,
7983         expand_mult_const, expand_mult, choose_multiplier,
7984         expand_mult_highpart, expand_divmod, emit_store_flag,
7985         do_cmp_and_jump): Likewise.
7986         * expr.c (convert_move, convert_modes, move_by_pieces,
7987         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
7988         move_block_from_reg, gen_group_rtx, emit_group_load,
7989         emit_group_move, emit_group_store, use_reg, use_regs,
7990         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
7991         emit_move_insn, emit_move_insn_1, emit_push_insn,
7992         expand_assignment, store_expr, count_type_elements,
7993         store_constructor, store_field, safe_from_p, expand_var,
7994         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
7995
7996 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7997
7998         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
7999         gcc_assert and gcc_unreachable.
8000         * ddg.c (create_ddg_dependence, add_deps_for_def,
8001         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
8002         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
8003         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
8004         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
8005         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
8006         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
8007         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
8008         dataflow_set_copy, hybrid_search, diagnostic.c,
8009         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
8010         * dojump.c (do_jump): Likewise.
8011         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
8012         compute_dom_fast_query, calculate_dominance_info,
8013         free_dominance_info, get_immediate_dominator,
8014         set_immediate_dominator, get_dominated_by,
8015         redirect_immediate_dominators, nearest_common_dominator,
8016         dominated_by_p, verify_dominators, recount_dominator,
8017         iterate_fix_dominators, add_to_dominance_info,
8018         delete_from_dominance_info): Likewise.
8019         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
8020         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
8021         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
8022         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
8023         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
8024         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
8025         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
8026         output_call_frame_info, output_loc_operands, build_cfa_loc,
8027         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
8028         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
8029         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
8030         splice_child_die, attr_checksum, same_dw_val_p,
8031         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
8032         unmark_dies, value_format, output_loc_list, output_die,
8033         output_pubnames, output_aranges, base_type_die, is_base_type,
8034         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
8035         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
8036         field_byte_offset, add_data_member_location_attribute,
8037         add_const_value_attribute, rtl_for_decl_location,
8038         add_location_or_const_value_attribute, add_byte_size_attribute,
8039         add_bit_offset_attribute, add_bit_size_attribute,
8040         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
8041         decl_start_label, gen_formal_parameter_die,
8042         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
8043         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
8044         force_decl_die, force_type_die, gen_decl_die,
8045         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
8046         dwarf2out_finish): Likewise.
8047
8048 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
8049
8050         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
8051         * builtins.c: Include tree-mudflap.h.
8052
8053 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
8054
8055         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
8056         force operand 0.0 into register in XFmode. Also do not force
8057         operand 0.0 into register if !TARGET_CMOVE.
8058         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
8059         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
8060         implement ftst x87 instruction.
8061         (*fp_jcc_7): New insn pattern. Change corresponding split
8062         pattern to handle "general_operand" instead of
8063         "nonimmediate_operand".
8064
8065 2004-09-08  Ben Elliston  <bje@au.ibm.com>
8066
8067         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
8068
8069 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
8070
8071         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
8072         generated from standard va_arg expansion.
8073         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
8074         marked nodes.
8075         (mf_varname_tree, mf_file_function_line_tree): Add some support
8076         for column numbers if compiled with USE_MAPPED_LOCATION.
8077
8078 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
8079
8080         * c-decl.c (groktypename_in_parm_context): Remove function.
8081         * c-tree.h (groktypename_in_parm_context): Remove prototype.
8082
8083 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
8084
8085         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
8086         * c-parse.in: Include c-common.h instead of objc-act.h.
8087         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
8088         myparms, myparm): Remove %type declarations.
8089         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
8090         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
8091         declarations.
8092         (objc_inherit_code, objc_public_flag): Remove.
8093         (typespec_nonreserved_nonattr): Call
8094         objc_get_protocol_qualified_type() instead of get_static_reference()
8095         and get_protocol_reference().
8096         (stmt_nocomp): Call grokparm() on @catch parameter.
8097         (objcdef): Move semantic action to objc_finish_implementation().
8098         (classdef): Move semantic action to objc_start_class_interface(),
8099         objc_continue_interface(), objc_finish_interface(),
8100         objc_start_class_implementation(), objc_continue_implementation(),
8101         objc_start_category_interface() and
8102         objc_start_category_implementation().
8103         (protocoldef): Move semantic actions to objc_start_protocol() and
8104         objc_finish_interface().
8105         (ivar_decl_list): Remove nonterminal.
8106         (visibility_spec): Move semantic actions to objc_set_visibility().
8107         (ivar_decls): Remove assignment to $$.
8108         (ivar_decl): Rephrase in terms of component_decl; call
8109         objc_add_instance_variable().
8110         (ivars, ivar_declarator): Remove nonterminals.
8111         (opt_semi): New nonterminal.
8112         (methodtype): Remove semantic actions.
8113         (methoddef): Move semantic actions to objc_set_method_type(),
8114         objc_start_method_definition() and objc_finish_method_definition().
8115         (methodproto): Move semantic actions to objc_set_method_type() and
8116         objc_add_method_declaration().
8117         (methoddecl): Use objc_typename instead of typename; move semantic
8118         actions to objc_build_method_signature().
8119         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
8120         (optparmlist): Express in terms of optparms and optellipsis.
8121         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
8122         nonterminals.
8123         (keyworddecl): Use objc_typename instead of typename.
8124         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
8125         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
8126
8127 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
8128
8129         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
8130         (MD_FALLBACK_FRAME_STATE_FOR): Update.
8131         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
8132         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
8133         (MD_FROB_UPDATE_CONTEXT): Remove default.
8134         (uw_update_context_1): Instead #ifdef invocation.
8135         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
8136         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
8137         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
8138         (MD_UNWIND_SUPPORT): Undefine this instead.
8139         * config/i386/gnu.h: Likewise.
8140         * config/alpha/linux-unwind.h: New file, macro converted to
8141         function, extracted from..
8142         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
8143         (MD_UNWIND_SUPPORT): Define.
8144         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
8145         * config/i386/linux-unwind.h, config/i386/linux.h,
8146         config/i386/linux64.h: Likewise.
8147         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
8148         MD_HANDLE_UNWABI too.
8149         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
8150         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
8151         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
8152         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
8153         * config/sparc/linux-unwind.h, config/sparc/linux.h,
8154         config/sparc/linux64.h: Likewise.
8155         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
8156         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
8157         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
8158         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
8159         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
8160
8161 2004-09-07  Jan Hubicka  <jh@suse.cz>
8162
8163         * cse.c (fold_rtx):  Avoid building of
8164         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
8165
8166         * tree-ssa-pre.c (grand_bitmap_obstack): New.
8167         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
8168         (init_pre): Initialize obstack.
8169         (fini_pre): Free obstack.
8170
8171 2004-09-07  David Daney  <ddaney@avtrex.com>
8172
8173         * config.gcc: Added support for --with-divide=[breaks|traps] for
8174         mips targets.
8175         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
8176         (TARGET_DIVIDE_TRAPS): New macro.
8177         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
8178         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
8179         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
8180         GENERATE_DIVIDE_TRAPS.
8181         (mips_output_division): Emit conditional trap if
8182         GENERATE_DIVIDE_TRAPS is set.
8183         * doc/install.texi: Document --with-divide.
8184         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
8185
8186 2004-09-07  Caroline Tice  <ctice@apple.com>
8187
8188         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
8189         EDGE_CROSSING, to flags test case.
8190
8191 2004-09-07  Jan Hubicka  <jh@suse.cz>
8192
8193         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
8194         class too.
8195
8196 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8197
8198         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
8199         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
8200         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
8201         or gcc_unreachable.
8202         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
8203         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
8204         alloc_aux_for_edges, free_aux_for_edges): Likewise.
8205         * cfgcleanup.c (try_forward_edges,
8206         merge_blocks_move_predecessor_nojumps,
8207         merge_blocks_move_successor_nojumps): Likewise.
8208         * cfgexpand.c (expand_gimple_cond_expr,
8209         expand_gimple_tailcall): Likewise.
8210         * cfghooks.c (duplicate_block): Likewise.
8211         * cfglayout.c (record_effective_endpoints,
8212         insn_locators_initialize, change_scope, fixup_reorder_chain,
8213         verify_insn_chain, fixup_fallthru_exit_predecessor,
8214         duplicate_insn_chain, cfg_layout_finalize): Likewise.
8215         * cfgloopanal.c (check_irred): Likewise.
8216         * cfgloop.c (superloop_at_depth, flow_loops_free,
8217         flow_loop_entry_edges_find, flow_loops_find,
8218         flow_loop_outside_edge_p, get_loop_body,
8219         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
8220         get_loop_exit_edges, num_loop_branches, cancel_loop,
8221         verify_loop_structure): Likewise.
8222         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
8223         duplicate_loop_to_header_edge, create_preheader,
8224         create_loop_notes): Likewise.
8225         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
8226         edirect_branch_edge, force_nonfallthru_and_redirect,
8227         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
8228         commit_edge_insertions, commit_edge_insertions_watch_calls,
8229         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8230         cfg_layout_redirect_edge_and_branch_force,
8231         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
8232         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
8233         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
8234         cgraph_varpool_node): Likewise.
8235         * cgraphunit.c (cgraph_finalize_function,
8236         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
8237         cgraph_expand_function, cgraph_remove_unreachable_nodes,
8238         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
8239         cgraph_mark_inline, cgraph_expand_all_functions,
8240         cgraph_build_static_cdtor): Likewise.
8241         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
8242         simplify_logical, distribute_notes, insn_cuid): Likewise.
8243         * conflict.c (conflict_graph_add, print_conflict): Likewise.
8244         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
8245         coverage_checksum_string): Likewise.
8246         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
8247         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
8248         cse_cc_succs, cse_condition_code_reg): Likewise.
8249         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
8250         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
8251         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
8252         cselib_record_set): Likewise.
8253
8254 2004-09-07  Jan Hubicka  <jh@suse.cz>
8255
8256         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
8257
8258 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8259
8260         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
8261         fold_convert.
8262         (fold_builtin_strpbrk): Likewise.
8263         * expr.c (array_ref_low_bound): Likewise.
8264         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
8265         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
8266         * tree-sra.c (generate_element_zero): Likewise.
8267         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
8268         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
8269         add_old_iv_candidates, add_iv_candidates): Likewise.
8270         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
8271
8272 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8273
8274         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
8275         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
8276         c_expand_expr, boolean_increment, nonnull_check_p,
8277         check_function_arguments_recurse, fold_offsetof_1): Likewise.
8278         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
8279         builtin_define_type_max): Likewise.
8280         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
8281         implicit_decl_warning, builtin_function, build_compound_literal,
8282         complete_array_type, grokdeclarator, get_parm_info,
8283         start_function, store_parm_decls_oldstyle,
8284         c_write_global_declarations): Likewise.
8285         * c-format.c (get_constant, decode_format_attr,
8286         maybe_read_dollar_number, get_flag_spec, check_format_arg,
8287         check_format_types, format_type_warning,
8288         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
8289         init_dynamic_diag_info, handle_format_attribute): Likewise.
8290         * c-gimplify.c (push_context, pop_context, finish_bc_block):
8291         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
8292         * c-objc-common.c (c_tree_printer): Likewise.
8293         * c-pch.c (pch_init): Likewise.
8294         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
8295         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
8296         * c-typeck.c (c_incomplete_type_error, composite_type,
8297         common_pointer_type, common_type, same_translation_unit_p,
8298         tagged_types_tu_compatible_p, finish_init, pop_init_level,
8299         set_designator, set_nonincremental_init_from_string,
8300         process_init_element, c_finish_if_stmt): Likewise.
8301         * caller-save.c (init_caller_save, save_call_clobbered_regs,
8302         insert_restore, insert_save, insert_one_insn): Likewise.
8303         * calls.c (emit_call_1, compute_argument_block_size,
8304         precompute_arguments, expand_call, emit_library_call_value_1,
8305         store_one_arg): Likewise.
8306
8307 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8308
8309         * configure.ac (enable-checking): Add release option. Reorganize
8310         to avoid repetition.
8311         * configure: Rebuilt.
8312         * doc/install.texi (enable-checking): Amend documentation.
8313
8314 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
8315
8316         PR bootstrap/17313
8317         * Makefile.in (specs.ready): Depend on cc1$(exeext).
8318
8319 2004-09-06  James E Wilson  <wilson@specifixinc.com>
8320
8321         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
8322         movdf_hardfloat_32bit): Split fG into two alternatives.
8323         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
8324
8325         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
8326
8327 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8328
8329         * final.c (output_in_slot): Delete.
8330         (final_scan_insn): Revert 2004-09-03 change.
8331         (output_asm_insn): Likewise.
8332         * config/sparc/sparc.c (output_return): Likewise.
8333         (output_sibcall): Likewise.
8334
8335 2004-09-06  Jan Hubicka  <jh@suse.cz>
8336
8337         * loop.c (loop_dump_aux): Do not print RTL when not available.
8338         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
8339         frontend specific type nodes.
8340         (produce_memory_decl_rtl): Break out from ...
8341         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
8342         (get_computation_at): Avoid random tree sharing.
8343         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
8344
8345 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
8346
8347         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
8348         unnecessary commands.
8349
8350 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
8351
8352         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
8353         (bitmap.o): Likewise.
8354
8355 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
8356
8357         Unify the management of RTL and tree-level dump files.
8358
8359         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
8360         Don't print function name to the dump file, the pass manager
8361         would do this for us. Add code from the top of
8362         rest_of_compilation, up to the initial RTL dump.
8363         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
8364         close the DFI_sibling dump file.
8365         (rest_of_compilation): Don't do that here.  Remove code up to the
8366         initial RTL dump.
8367         (init_optimization_passes): Remove.
8368         (pass_rest_of_compilation): Change pass name to NULL.
8369         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
8370         Do not call init_optimization_passes.
8371         * toplev.h (init_optimization_passes): Remove.
8372
8373         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
8374         finish_graph_dump_file): Remove SUFFIX parameter.
8375         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
8376         finish_graph_dump_file): Likewise.
8377
8378         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
8379         * cfgexpand.c (pass_expand): Adjust.
8380         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
8381         * passes.c (pass_rest_of_compilation): Adjust.
8382         * predict.c (pass_profile): Adjust.
8383         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
8384         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
8385         pass_split_crit_edges, pass_warn_function_return): Adjust.
8386         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
8387         * tree-dfa.c (pass_referenced_vars): Adjust.
8388         * tree-eh.c (pass_lower_eh): Adjust.
8389         * tree-if-conv.c (pass_build_ssa): Adjust.
8390         * tree-into-ssa.c (pass_build_ssa): Adjust.
8391         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
8392         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
8393         * tree-nrv.c (pass_nrv): Adjust.
8394         * tree-optimize.c (pass_gimple, pass_all_optimizations,
8395         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8396         pass_init_datastructures): Adjust.
8397         * tree-outof-ssa.c (pass_del_ssa): Adjust.
8398         * tree-profile.c (pass_tree_profile): Adjust.
8399         * tree-sra.c (pass_sra): Adjust.
8400         * tree-ssa-alias.c (pass_may_alias): Adjust.
8401         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
8402         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
8403         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
8404         * tree-ssa-dom.c (pass_dominator): Adjust.
8405         * tree-ssa-dse.c (pass_dse): Adjust.
8406         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
8407         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
8408         * tree-ssa-loop-ch.c (pass_ch): Adjust.
8409         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
8410         pass_loop_done, pass_complete_unroll, pass_iv_canon,
8411         pass_iv_optimize, pass_vectorize): Adjust.
8412         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
8413         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
8414         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
8415         pass_late_warn_uninnitialized): Adjust.
8416         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
8417
8418         * Makefile.in (tree-dump.o): Add new dependencies.
8419         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
8420         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
8421         Likewise.
8422         * toplev.c (dump_file_name): New.
8423         * tree-dump.c (dump_enable_all): Add LETTER parameter.
8424         (struct dump_file_info): Add NUM and LETTER fields.
8425         (dump_files): Adjust and add RTL dump files.
8426         (dump_register): Add NUM and LETTER fields.
8427         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
8428         (dump_begin): Use get_dump_file_name.
8429         (dump_switch_p_1): Adjust call to dump_enable_all.
8430         * tree-dump.h (dump_register): Adjust prototype.
8431         * tree-optimize.c (register_one_dump_file): Take dump file index.
8432         Support flags for RTL dumps.
8433         (register_dump_files): Fill in NUM field of struct dump_file_info.
8434         Track properties both when the gate is executed and when it is not.
8435         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
8436         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
8437         dumps of RTL.
8438         * tree-pass.h (dump_file_name): New.
8439         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
8440         New.
8441
8442         * Makefile.in (passes.o): Add new dependencies.
8443         * passes.c (struct dump_file_info, enum dump_file_index,
8444         dump_file_tbl, init_optimization_passes): Remove.
8445         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
8446         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
8447         dump_enabled_p.
8448         (finish_optimization_passes): Update finish_graph_dump_file loop.
8449         (enable_rtl_dump_file): Remove.
8450         * tree-dump.c (dump_files): Adjust and add RTL dump files.
8451         (enable_rtl_dump_file): Add here.
8452         * tree.h (enum tree_dump_index): Add RTL dump file indices.
8453         * doc/invoke.texi (Debugging options): Document new RTL debugging
8454         options.  Update.
8455
8456 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
8457
8458         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
8459         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
8460         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
8461         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
8462         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
8463         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
8464         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
8465         vec.h: Fix comment formatting.
8466
8467 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
8468
8469         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
8470         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
8471         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
8472         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
8473         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
8474         tree-ssa-loop-niter.c, tree-ssa-operands.c,
8475         tree-ssa-operands.h, tree-ssa-propagate.c,
8476         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
8477         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
8478
8479 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
8480
8481         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
8482         vectorizer is enabled.
8483
8484 2004-09-05  Andreas Jaeger  <aj@suse.de>
8485
8486         * tree-if-conv.c: Spell check comments and clean up whitespace.
8487
8488 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8489
8490         * tree-ssa-loop-ivopts.c: New file.
8491         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
8492         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
8493         target_pres_cost, target_spill_cost): Declare.
8494         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
8495         spill_cost): Renamed to ...
8496         (target_avail_regs, target_res_regs, target_small_cost,
8497         target_pres_cost, target_spill_cost): ... and exported.
8498         (init_set_costs, global_cost_for_size): Work with renamed variables.
8499         * common.opt (flag_ivopts): New flag.
8500         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
8501         REF_ORIGINAL.
8502         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
8503         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
8504         generating SSA form.
8505         (force_gimple_operand): New function.
8506         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
8507         * tree-cfg.c (stmt_bsi): New function.
8508         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
8509         PARAM_IV_MAX_CONSIDERED_USES): New.
8510         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
8511         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
8512         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
8513         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
8514         * tree-nested.c (build_addr): Export.
8515         * tree-optimize.c (init_tree_optimization_passes): Add
8516         pass_iv_optimize.
8517         * tree-pass.h (pass_iv_optimize): Declare.
8518         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
8519         IMAGPART_EXPR.
8520         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
8521         as a phi node argument.
8522         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
8523         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
8524         functions.
8525         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
8526         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
8527         pass_iv_optimize): New pass.
8528         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
8529         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
8530         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
8531         * tree.h (REF_ORIGINAL): New macro.
8532         (build_int_cst_type, unsigned_type_for, zero_p,
8533         cst_and_fits_in_hwi, build_addr): Declare.
8534         * doc/invoke.texi (-fivopts): Document.
8535         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
8536         PARAM_IV_MAX_CONSIDERED_USES): Document.
8537         * doc/passes.texi: Document induction variable optimizations pass.
8538
8539 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8540
8541         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
8542         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
8543         * c-common.c (c_common_attribute_table): Accept parameters to
8544         sentinel attribute.
8545         (check_function_sentinel, handle_sentinel_attribute): Likewise.
8546         * doc/extend.texi: Update accordingly.
8547
8548 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8549
8550         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
8551         New.
8552         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
8553         attribute.
8554         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
8555         New functions.
8556         (c_common_attribute_table): Add `sentinel' attribute.
8557         (check_function_arguments): Handle `sentinel' attribute.
8558         * doc/extend.texi: Document `sentinel' attribute.
8559
8560 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
8561
8562         * configure: Regenerated.
8563
8564 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8565
8566         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
8567
8568         * tree.c (save_expr): No longer TREE_READONLY.
8569
8570 2004-09-04  Jan Hubicka  <jh@suse.cz>
8571
8572         * passes.c (rest_of_clean_state):  Fix merge conflict made during
8573         commiting the patch.
8574
8575 2004-09-04  Jan Hubicka  <jh@suse.cz>
8576
8577         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
8578
8579 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
8580
8581         * doc/md.texi (shift patterns): New anchor.  Add reference to
8582         TARGET_SHIFT_TRUNCATION_MASK.
8583         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
8584         * target.h (shift_truncation_mask): New target hook.
8585         * targhook.h (default_shift_truncation_mask): Declare.
8586         * targhook.c (default_shift_truncation_mask): Define.
8587         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
8588         (TARGET_INITIALIZER): Include it.
8589         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
8590         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
8591         reject all out-of-range values.  Fix sign-extension code for modes
8592         whose width is smaller than HOST_BITS_PER_WIDE_INT.
8593         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
8594         (expand_superword_shift, expand_subword_shift): Likewise.
8595         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
8596         (expand_binop): Use them to implement double-word shifts.
8597         * config/arm/arm.c (arm_shift_truncation_mask): New function.
8598         (TARGET_SHIFT_TRUNCATION_MASK): Define.
8599
8600 2004-09-04  Jan Hubicka  <jh@suse.cz>
8601
8602         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
8603         (mix): New macro copied from hashtab.c
8604         (iterative_hash_hashval_t, iterative_hash_pointer,
8605         iterative_hash_host_wide_int): New functions based on hashtab.c
8606         implementation.
8607
8608 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
8609
8610         * config/mips/mips.md (mask): New mode attribute.
8611         (zero_extendsidi2): Add memory alternative.
8612         (*zero_extendsidi2_mem): Delete.
8613         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
8614         memory_operand in the TARGET_MIPS16 check.
8615         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
8616         Redefine using :GPR and :SHORT.
8617         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
8618
8619 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
8620
8621         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
8622         using rint_optab.
8623         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
8624         expand_builtin_mathfn.
8625         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
8626         btrunc?f patterns for btrunc_optab. Implement rint_optab using
8627         rint?f patterns.
8628         * optabs.c (init_optabs): Initialize rint_optab.
8629         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
8630         Add new OTI_rint.
8631         (btrunc_optab): Rename macro from trunc_optab.
8632         (rint_optab): Define corresponding macro.
8633
8634         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
8635         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
8636
8637         * config/i386/i386-protos.h (emit_i387_cw_initialization):
8638         Change prototype. Add new int parameter.
8639         * config/i386/i386.c (emit_i387_cw_initialization):
8640         Handle new rounding modes.
8641
8642         * config/i386/i386.h (enum fp_cw_mode): Delete.
8643         (MODE_NEEDED): Handle new rounding modes.
8644         (EMIT_MODE_SET): Change condition to handle new rounding modes.
8645
8646         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
8647         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
8648         represent different rounding modes of frndint insn.
8649         (type): Add frndint type.
8650         (i387, length, memory): Handle this type.
8651         (i387_cw): New attribute definition.
8652         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
8653         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
8654         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
8655         Add "i387_cw" attribute defined to "trunc".
8656         (x86_fnstcw_1): Remove comment.
8657         (*frndintxf2): Rename insn definition to frndintxf2. Move
8658         insn definition near rint?f2 expanders.
8659         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
8660         rintf and rintl built-ins as inline x87 intrinsics.
8661         (frndintxf2_floor): New pattern to implement floor rounding
8662         mode with frndint x87 instruction.
8663         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
8664         floorf and floorl built-ins as inline x87 intrinsics.
8665         (frndintxf2_ceil): New pattern to implement ceil rounding
8666         mode with frndint x87 instruction.
8667         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
8668         ceilf and ceill built-ins as inline x87 intrinsics.
8669         (frndintxf2_trunc): New pattern to implement trunc rounding
8670         mode with frndint x87 instruction.
8671         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
8672         truncf and truncl built-ins as inline x87 intrinsics.
8673         (frndintxf2_mask_pm): New pattern to implement rounding
8674         mode with exceptions with frndint x87 instruction.
8675         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
8676         implement nearbyint, nearbyintf and nearbyintl built-ins as
8677         inline x87 intrinsics.
8678
8679 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
8680
8681         * config/mips/mips.md (SHORT): New mode macro.
8682         (size): New mode attribute.
8683         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
8684         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
8685         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
8686         !ISA_HAS_SEB_SEH.
8687         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
8688         *extend[qh]isi2_hw patterns and extending them to di.
8689         (extendqihi2): Implement as define_insn_and_split that produces
8690         extendqisi2 after reload.
8691
8692 2004-09-03  Devang Patel  <dpatel@apple.com>
8693
8694         * Makefile.in (OBJS-common): Add tree-if-conv.o
8695         (tree-if-conv.o): New rule.
8696         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
8697         (get_loop_body_in_bfs_order): New.
8698         * cfgloop.h (get_loop_body_in_bfs_order): New.
8699         * tree-flow.h (enum move_pos): Move here from ..
8700         * tree-ssa-loop-im.c (enum move_pos): here.
8701         (movement_possibility): Make externally visible.
8702         * tree-optimize.c (init_tree_optimization_passes): New entry for
8703         if conversion pass.
8704         * tree-pass.h (pass_if_conversion): New.
8705         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
8706         * tree-if-conv.c: New file.
8707         * doc/passes.texi: Document tree if-conversion pass.
8708         * doc/tree-ssa.texi: Same.
8709
8710 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
8711
8712         PR target/14925:
8713         Makefile.in (LIB2ADDEHSTATIC): New.
8714         (LIB2ADDEHSHARED): New.
8715         (LIBUNWIND): New.
8716         (LIBUNWINDDEP): New.
8717         (SHLIBUNWIND_LINK): New.
8718         (SHLIBUNWIND_INSTALL): New.
8719         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
8720         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
8721         (clean): Remove libunwind*
8722         (stage1-start): Remove and copy stage1/libunwind*.
8723         (stage2-start): Remove and copy stage2/libunwind*.
8724         (stage3-start): Remove and copy stage3/libunwind*.
8725         (stage4-start): Remove and copy stage4/libunwind*.
8726         (stageprofile-start): Remove and copy stageprofile/libunwind*.
8727         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
8728
8729         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
8730         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
8731         tmake_file if --with-system-libunwind isn't used.
8732
8733         * config/ia64/t-glibc-libunwind: New file.
8734         * config/t-libunwind-elf: Likewise.
8735         * unwind-compat.c: Likewise.
8736         * unwind-compat.h: Likewise.
8737         * unwind-dw2-fde-compat.c: Likewise.
8738
8739         * config/ia64/t-glibc (LIB2ADDEH): Updated.
8740         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
8741
8742         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
8743         aliases if needed.
8744         * unwind-dw2-fde-glibc.c: Likewise.
8745         * unwind-dw2.c: Likewise.
8746
8747         * config/t-libunwind (LIB2ADDEH): Updated.
8748         (LIB2ADDEHSTATIC): New.
8749         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
8750         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
8751
8752         * configure.ac: Change --enable-libunwind-exceptions to
8753         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
8754         * configure: Regenerated.
8755         * config.in: Updated.
8756
8757         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
8758         above and mention --with-system-libunwind.
8759         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
8760         removed in gcc 3.4.3 and later.
8761
8762         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
8763         USE_LIBUNWIND_EXCEPTIONS is defined.
8764
8765         * mklibgcc.in: Support libunwind.
8766
8767 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
8768
8769         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
8770         m_NOCONA.
8771
8772 2004-09-03  Richard Henderson  <rth@redhat.com>
8773
8774         PR middle-end/9997
8775         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
8776         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
8777         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
8778         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
8779         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
8780         resize_stack_vars_conflict, add_stack_var_conflict,
8781         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
8782         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
8783         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
8784         expand_one_static_var, expand_one_hard_reg_var,
8785         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
8786         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
8787         (expand_used_vars): Rewrite.
8788         * Makefile.in (cfgexpand.o): Update dependencies.
8789
8790 2004-09-04  Jan Hubicka  <jh@suse.cz>
8791
8792         * cfg.c (free_edge): Use ggc_free.
8793         (expunge_block): Use ggc_free.
8794         * passes.c (rest_of_clean_state): Free after compilation.
8795         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
8796         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
8797
8798 2004-09-03  James E Wilson  <wilson@specifixinc.com>
8799
8800         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
8801         DECL_EXTERNAL check.
8802
8803 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8804
8805         * final.c (output_in_slot): New global variable.
8806         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
8807         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
8808         'output_in_slot' before invoking output_asm_insn.
8809         (output_asm_insn): Add a space after the tab if 'output_in_slot'
8810         is set.
8811         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
8812         final_scan_insn.
8813         (output_sibcall): Likewise.
8814
8815 2004-09-03  Jan Hubicka  <jh@suse.cz>
8816
8817         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
8818         * tree-ssanames (init_ssanames): Likewise.
8819
8820 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
8821
8822         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
8823         objc_declare_protocols, objc_start_protocol,
8824         objc_start_class_interface, objc_start_category_interface,
8825         objc_continue_interface, objc_finish_interface,
8826         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
8827         objc_start_class_implementation, objc_start_category_implementation,
8828         objc_continue_implementation, objc_finish_implementation,
8829         objc_add_method_declaration, objc_start_method_definition,
8830         objc_finish_method_definition, objc_build_keyword_decl,
8831         objc_build_method_signature, objc_build_encode_expr,
8832         objc_build_protocol_expr, objc_build_selector_expr,
8833         objc_build_message_expr, objc_build_string_object,
8834         objc_get_class_reference, objc_get_protocol_qualified_type,
8835         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
8836
8837 2004-09-03  James E Wilson  <wilson@specifixinc.com>
8838
8839         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
8840
8841         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
8842         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
8843         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
8844         (mips_recip1_<fmt>): Use frdiv1 type.
8845         (mips_recip2_<fmt>): Use frdiv2 type.
8846         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
8847         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
8848         and frsqrt1.
8849         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
8850
8851 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
8852
8853         * reload.c (find_reloads): Swap operand_loc pointers for
8854         find_dummy_reload if we have swapped two operands.
8855
8856 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
8857
8858         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
8859         to get the tablejump-insn before the jump-table label.
8860
8861 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
8862
8863         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
8864         objc_declare_protocols, objc_build_message_expr,
8865         objc_finish_message_expr, objc_build_selector_expr,
8866         objc_build_protocol_expr, objc_build_encode_expr,
8867         objc_build_string_object, objc_get_protocol_qualified_type,
8868         objc_get_class_reference, objc_get_class_ivars,
8869         objc_start_class_interface, objc_start_category_interface,
8870         objc_start_protocol, objc_continue_interface, objc_finish_interface,
8871         objc_start_class_implementation, objc_start_category_implementation,
8872         objc_continue_implementation, objc_finish_implementation,
8873         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
8874         objc_add_method_declaration, objc_start_method_definition,
8875         objc_finish_method_definition, objc_add_instance_variable,
8876         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
8877         objc_finish_try_stmt, objc_begin_catch_clause,
8878         objc_finish_catch_clause, objc_build_finally_clause,
8879         objc_build_synchronized, objc_static_init_needed_p,
8880         objc_generate_static_init_call): New prototypes.
8881
8882 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
8883
8884         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
8885         is only one reg.
8886         (ia64_function_value): Ditto.
8887
8888 2004-09-03  Jan Beulich  <jbeulich@novell.com>
8889
8890         * config.gcc: Resurrect NetWare as a target. Handle special case of
8891         Novell linker to be used (specified through --with-ld=) and threading
8892         model of either Posix (default) or NKS.
8893         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
8894         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
8895         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
8896         * config/i386/netware.c, config/i386/netware.h: New.
8897         * config/i386/nwld.c, config/i386/nwld.h: New.
8898         * config/i386/netware-crt0.c: New.
8899         * config/i386/netware-libgcc.c: New.
8900         * config/i386/netware-libgcc.def: New.
8901         * config/i386/netware-libgcc.exp: New.
8902         * config/i386/t-netware, config/i386/t-nwld: New.
8903         * gthr-nks.h: New.
8904         * doc/install.texi: Document NKS threading model.
8905
8906 2004-09-03  Jan Beulich  <jbeulich@novell.com>
8907
8908         PR c/7054
8909         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
8910         * tree.h (initial_max_fld_align): Declare
8911         * stor-layout.c (initial_max_fld_align): Define and initialize.
8912         (maximum_field_alignment): Initialize to the same value.
8913         * common.opt: Add -fpack-struct= variant of switch.
8914         * opts.c: Handle -fpack-struct= variant of switch.
8915         * c-pragma.c: Change #pragma pack() handling so that it becomes
8916         compatible to other compilers: accept individual 'push' argument,
8917         make final pop restore (command line) default, correct interaction
8918         of push/pop and sole specification of a new alignment (so that the
8919         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
8920         to #pragma pack(push, <n>).
8921         * doc/extend.texi: New node "Structure-Packing Pragmas" under
8922         "Pragmas", describing #pragma pack.
8923         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
8924         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
8925         Document new TARGET_DEFAULT_PACK_STRUCT.
8926
8927 2004-09-03  Devang Patel  <dpatel@apple.com>
8928
8929         * dwarf2out.c (gen_field_die). Equate decl number to die.
8930
8931 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
8932
8933         PR target/15832
8934         * global.c (modify_reg_pav): New function.
8935         (make_accurate_live_analysis): Call the new function.  Move pavin
8936         modification by earlyclobber set into the new function.
8937
8938 2004-09-03  Andreas Schwab  <schwab@suse.de>
8939
8940         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
8941         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
8942         extended.
8943
8944 2004-09-02  Jan Beulich  <jbeulich@novell.com>
8945
8946         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
8947         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
8948         not unwind code specific ones.
8949         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
8950         Remove unwind code specific dependencies.
8951         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
8952         Remove gbl-ctors.h.
8953         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
8954         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
8955         * tsystem.h: Declare memcpy and memset when inhibit_libc.
8956
8957 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
8958
8959         * combine.c (try_combine): Delay modifying of insns which cannot
8960         be easily undone.
8961
8962 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
8963
8964         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
8965         tree-loop-im.
8966         * gcc/tree-ssa-loop.c: Ditto
8967         * gcc/tree-ssa-loop-ivcanon.c: Ditto
8968         * gcc/doc/invoke.texi: Ditto.
8969
8970 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
8971
8972         * c-decl.c (store_parm_decls_newstyle): Make static.
8973         (store_parm_decls_from): New function.
8974         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
8975         (store_parm_decls_from): New prototype.
8976
8977 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
8978
8979         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
8980         HImode with STRICT_ALIGNMENT.
8981
8982 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
8983
8984         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
8985         (TARGET_OS_CPP_BUILTINS): Likewise.
8986         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
8987         TARGET_BPABI_CPP_BUILTINS.
8988
8989 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
8990
8991         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
8992
8993 2004-09-02  Eric Christopher  <echristo@redhat.com>
8994
8995         * builtins.c (expand_builtin_cabs): Delete.
8996         (expand_builtin): If unable to fold the values do a normal
8997         library call for builtin_cab*.
8998         (fold_builtin_cabs): Depend on optimize and optimize_size.
8999         * optabs.c (expand_cmplxdiv_straight): Delete.
9000         (expand_cmplxdiv_wide): Ditto.
9001         (expand_vector_binop): Ditto.
9002         (expand_vector_unop): Ditto.
9003         (expand_complex_abs): Delete.
9004         (expand_binop): Remove calls to above functions.
9005         Remove open coding of complex arithmetic.
9006         (expand_unop): Ditto.
9007         * optabs.h: Remove prototypes.
9008
9009 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
9010
9011         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
9012         * c-tree.h (store_parm_decls_newstyle): New prototype.
9013
9014 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
9015
9016         * config/rs6000/rs6000.c (expand_block_clear): Use vector
9017         instructions if available.
9018         (expand_block_move): Likewise.
9019
9020 2004-09-03  Jan Hubicka  <jh@suse.cz>
9021
9022         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
9023
9024 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
9025
9026         * config/arm/symbian.h (LIB_SPEC): Define to empty.
9027         * config/arm/t-symbian (SHLIB_LC): Likewise.
9028
9029 2004-09-02  Paul Brook  <paul@codesourcery.com>
9030
9031         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
9032
9033 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
9034
9035         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
9036         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
9037         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
9038         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
9039         (mips_issue_rate): Remove unreachable abort.
9040         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
9041         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
9042         (mips_block_move_straight, print_operand_address, mips_file_start)
9043         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
9044         (mips_output_conditional_branch, mips_expand_builtin_direct)
9045         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
9046         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
9047         with gcc_assert.
9048
9049 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
9050
9051         * config/mips/mips.md (*lea_high64): Change split condition to
9052         flow2_completed.  Add a peephole2 to generate a more parallel version.
9053
9054 2004-09-02  Jan Hubicka  <jh@suse.cz>
9055
9056         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
9057         GGC.
9058
9059         * ggc-page.c: include tree-flow.h.
9060         (extra_order_size_table): Add stmt_ann_d.
9061         (STAT_LABEL): Rename from ....
9062         (LABEL): ... this one.
9063         * Makefile.in (ggc-page.o): Add dependency.
9064
9065         * ggc-common.c (ggc_force_collect): New global variable.
9066         (loc_description): Add fields "freed", "collected"
9067         (ptr_hash): New static hash
9068         (ptr_hash_entry): New structure.
9069         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
9070         (ggc_record_overhead): Take ptr argument, record it
9071         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
9072         (cmp_statistics): Imrove sorting.
9073         (dump_ggc_loc_statistics): Output newly collected statistics
9074         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
9075         (ggc_free): Call ggc_free_overhead.
9076         (ggc_collect): Force collection when asked to be forced.
9077         (ggc_collect): Call ggc_prune_overhead_list.
9078         * ggc.h (ggc_force_collect): Declare
9079         (ggc_record_overhead): Update prototype.
9080         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
9081
9082 2004-09-02  James E Wilson  <wilson@specifixinc.com>
9083
9084         * common.opt (ftrapping-math): Default to on.
9085
9086 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
9087
9088         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
9089
9090 2004-09-02  Denis Chertykov  <denisc@overta.ru>
9091
9092         PR target/16884
9093         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
9094         match_scratch.
9095         (*movmemqi_insn): Likewise.
9096         (*movmemhi): Likewise.
9097         (clrmemhi): Likewise.
9098         (*clrmemqi): Likewise.
9099         (*clrmemhi): Likewise.
9100
9101 2004-09-02  Paul Brook  <paul@codesourcery.com>
9102
9103         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
9104         default_use_cxa_atexit=yes.
9105
9106 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
9107
9108         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
9109         (struct kernel_old_ucontext): Delete.
9110         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
9111         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
9112         when IN_LIGGCC2.
9113
9114 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
9115
9116         * toplev.c (process_options): Fix typo.
9117
9118 2004-09-01  Richard Henderson  <rth@redhat.com>
9119
9120         PR middle-end/17258
9121         * calls.c (initialize_argument_information): Tighten pass-through
9122         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
9123         Use build_fold_addr_expr.
9124         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
9125         that assumes ADDR_EXPR allocates stack space.
9126         * fold-const.c (build_fold_addr_expr_with_type): Look through
9127         WITH_SIZE_EXPR.
9128
9129 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
9130
9131         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
9132         * ggc.h (ggc_alloc_rtx): Delete.
9133
9134 2004-09-01  Roger Sayle  <roger@eyesopen.com>
9135
9136         * expmed.c (enum alg_code): Remove long unused enumeration values.
9137         (struct mult_cost): New structure to hold the "score" of a synthetic
9138         multiply sequence, including both a rtx_cost and a latency field.
9139         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
9140         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
9141         (struct algorithm): Change type of cost field to be mult_cost.
9142         (synth_mult): Change type of cost_limit argument to be a
9143         pointer to a mult_cost.  Update all cost comparisons to use the
9144         new mult_cost infrastructure.  For alg_add_factor and
9145         alg_sub_factor operations, latency is lower than the rtx_cost.
9146         (choose_mult_variant):  Update calls to synth_mult.  Perform
9147         cost comparisons using the new mult_cost infrastructure.
9148         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
9149         to optain the total rtx_cost of a synth_mult "algorithm".
9150
9151 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
9152
9153         * config/rs6000/power4.md: Increase store latency to 12.
9154         * config/rs6000/power5.md: Same.
9155
9156 2004-09-01  James E Wilson  <wilson@specifixinc.com>
9157
9158         PR target/14064
9159         * config/avr/avr.c (avr_unique_section): Delete prototype and
9160         definition.
9161         (TARGET_ASM_UNIQUE_SECTION): Delete.
9162
9163 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
9164
9165         * c-parse.in (primary): Call objc_build_message_expr(),
9166         objc_build_selector_expr(), objc_build_protocol_expr(),
9167         objc_build_encode_expr() and objc_build_string_object() instead of
9168         build_message_expr(), build_selector_expr(), build_protocol_expr(),
9169         build_encode_expr() and build_objc_string_object(), respectively.
9170         (component_decl_list2): Call objc_get_class_ivars() instead of
9171         get_class_ivars_from_name().
9172         (keyworddecl): Call objc_build_keyword_decl() instead of
9173         build_keyword_decl().
9174         (receiver): Call objc_get_class_reference() instead of
9175         get_class_reference().
9176         (reswords): Add blank line before @@ifobjc section, for clarity.
9177
9178 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
9179
9180         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
9181         to Altivec vetors.
9182
9183 2004-09-01  Wu Yongwei  <adah@sh163.net>
9184             Danny Smith  <dannysmith@users.sourceforge.net>
9185
9186         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
9187         not Windows 'DWORD'.
9188         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
9189         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
9190         (__gthr_win32_recursive_mutex_init_function): Add prototype for
9191         __GTHREAD_HIDE_WIN32API case..
9192         (__gthr_win32_recursive_mutex_lock): Likewise.
9193         (__gthr_win32_recursive_mutex_trylock): Likewise.
9194         (__gthr_win32_recursive_mutex_unlock): Likewise.
9195         (__gthread_recursive_mutex_init_function); Add definition for
9196         __GTHREAD_HIDE_WIN32API case.
9197         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
9198         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
9199         call to InterlockedDecrement.
9200
9201 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9202
9203         * tree-tailcall.c (find_tail_calls): Also fail is statement has
9204         volatile operands.
9205
9206         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
9207
9208         * doc/c-tree.texi: Document new operands for ARRAY_REF and
9209         COMPONENT_REF.
9210
9211 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9212
9213         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
9214         * common.opt (fspeculative-prefetching): New.
9215         * flags.h (flag_speculative_prefetching_set): Declare.
9216         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
9217         values.
9218         * opts.c (flag_sepculative_prefetching_set): New variable.
9219         (common_handle_option): Handle -fspeculative-prefetching.
9220         * passes.c (rest_of_compilation): Ditto.
9221         * profile.c (instrument_values, compute_value_histograms, branch_prob):
9222         Use vectors instead of arrays.
9223         * toplev.c (process_options): Handle -fspeculative-prefetching.
9224         * rtl-profile.c: Include ggc.h.
9225         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
9226         rtl_gen_one_value_profiler_no_edge_manipulation,
9227         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
9228         argument changed.
9229         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
9230         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
9231         argument changed.
9232         * value-prof.c: Include ggc.h.
9233         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
9234         macros.
9235         (insn_prefetch_values_to_profile, find_mem_reference_1,
9236         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
9237         speculative_prefetching_transform): New.
9238         (value_profile_transformations): Call speculative_prefetching_transform.
9239         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
9240         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
9241         tree_find_values_to_profile, find_values to profile): Use vectors
9242         instead of arrays.
9243         (free_profiled_values): Removed.
9244         * value-prof.h (struct histogram_value): Renamed to
9245         struct histogram_value_t.
9246         (histogram_value, histogram_values): New types.
9247         (find_values_to_profile): Declaration changed.
9248         (free_profiled_values): Removed.
9249         (struct profile_hooks): Type of argument of the hooks changed to
9250         histogram_value.
9251         * doc/invoke.texi (-fspeculative-prefetching): Document.
9252
9253 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9254
9255         PR rtl-optimization/16408
9256         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
9257
9258 2004-09-01  Richard Henderson  <rth@redhat.com>
9259
9260         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
9261         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
9262
9263 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
9264
9265         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
9266
9267 2004-09-01  Mike Stump  <mrs@apple.com>
9268
9269         * config/darwin.c (machopic_symbol_defined_p): In addition to
9270         being SYMBOL_REF_LOCAL_P, a symbol must also be
9271         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
9272         defined in this output file, or translation unit in the case
9273         of IMA not being used.
9274         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
9275         never need .indirect_symbol when indirecting.
9276
9277 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
9278
9279         * Makefile.in (bb-reorder.o): Add several dependencies.
9280
9281 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
9282
9283         * fold-const.c (operand_equal_p): Require equal sign also for
9284         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
9285
9286 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
9287
9288         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
9289         for use in configargs.h.  Put the cname in a separate variable.  Use
9290         that to set target_cpu_default2.
9291
9292 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
9293             Nick Clifton  <nickc@redhat.com>
9294
9295         * config/sh/sh.md ("length"): Increase branch length when
9296         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
9297         constant, 2 byte for aligning the constant.
9298
9299 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
9300
9301         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
9302         CPU.
9303         (arm7tdmi-s): New CPU name.
9304         * arm/arm.c (ARM_CORE): Update for new format.
9305         * arm/arm.h (ARM_CORE): Likewise.
9306         * arm/gentune.sh: Update for extra field.
9307         * config.gcc: Likewise.
9308         * arm/arm-tune.md: Regenerate.
9309         * doc/invoke.texi: Document the real processor names for ARM cpus.
9310
9311 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
9312
9313         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
9314         (floatdidf): New functions.
9315         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
9316         (floatdisf): New functions.
9317         * t-arm-elf: Use them.
9318
9319 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
9320
9321         * c-common.h (lookup_interface): Remove prototype.
9322         (is_class_name): Rename to objc_is_class_name.
9323         (lookup_objc_ivar): Rename to objc_lookup_ivar.
9324         (get_current_scope): Rename to objc_get_current_scope.
9325         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
9326         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
9327         (yylexname): Call objc_is_class_name() instead of is_class_name().
9328         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
9329         instead of lookup_objc_ivar().
9330         * stub-objc.c (lookup_interface): Remove stub.
9331         (is_class_name): Rename to objc_is_class_name.
9332         (lookup_objc_ivar): Rename to objc_lookup_ivar.
9333
9334 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
9335
9336         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
9337         * config/arm/lib1funcs.asm: Do not include supplemental .S files
9338         when compiling for Symbian.
9339         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
9340         (TARGET_OS_CPP_BUILTINS): Likewise.
9341         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
9342
9343 2004-08-31  Stan Shebs  <shebs@apple.com>
9344
9345         * toplev.c (process_options): Ensure debug_hooks is initialized.
9346
9347 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
9348
9349         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
9350         * target.h (cxx): Add export_class_data.
9351         * config/arm/arm.c (arm_cxx_export_class_data): New function.
9352         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
9353         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
9354
9355 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
9356
9357         * config/sh/sh.c (output_branch): Check the insn length possibly
9358         in the delayed slot.
9359
9360 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9361
9362         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
9363         blank after ')'.
9364         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
9365
9366         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
9367         (c_sizeof_of_alignof_type): Likewise.
9368         * expr.c (array_ref_element_size): Likewise.
9369         (highest_pow2_factor_for_target): Likewise.
9370         * gimplify.c (canonicalize_addr_expr): Likewise.
9371         (gimplify_compound_lval): Likewise.
9372         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
9373         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
9374         * varasm.c (assemble_variable): Likewise.
9375         (output_constant_def_contents): Alignments are unsigned.
9376
9377 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9378             Jeff Law  <law@redhat.com>
9379
9380         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
9381         gets modified.
9382
9383 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
9384
9385         * hooks.c (hook_bool_void_true): New function.
9386         * hooks.h (hook_bool_void_true): Declare.
9387         * target-def.h (TARGET_CXX): Add
9388         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
9389         * target.h (struct cxx): Add key_method_may_be_inline.
9390         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
9391         function.
9392         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
9393         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
9394         __THUMB_INTERWORK.
9395
9396 2004-08-31  Denis Chertykov  <denisc@overta.ru>
9397
9398         PR target/15417
9399         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
9400         frame pointer register only in Pmode while reload in progress.
9401
9402 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
9403
9404         PR target/15334
9405         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
9406         because it breaks the 32-bit shift patterns that rely on a match_dup.
9407
9408 2004-08-31  Matt Austern  <austern@apple.com>
9409
9410         * config/darwin.c (darwin_make_decl_one_only): Allocate section
9411         names once per compilation, instead of once per symbol.
9412
9413 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
9414
9415         * Makefile.in (build_subdir): New substitution.
9416         (fixinc.sh): Simplify heavily since fixincludes is already built.
9417         (stmp-fixinc): Depend on specs.ready.
9418         (install-mkheaders): Use new location of fixincludes.
9419         (clean): Do not descend into fixinc.
9420         (FORBUILD): Replace with ../$(build_subdir).
9421         * configure.ac (build_subdir): Substitute.
9422         (FORBUILD): Do not set.
9423         (all_outputs): Remove fixinc/Makefile.
9424         (default commands): Do not create links in fixinc.
9425         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
9426         the fixincludes configuration steps and substituting
9427         @FIXINCL@ in fixinc.in.
9428         * fixinc.in: New, from fixinc/fixincl.sh.
9429
9430         * fixinc/*: Removed.
9431
9432 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
9433
9434         * attribs.c (strip_attrs): Remove.
9435         (split_specs_attrs): Move ...
9436         * c-decl.c: ... to here.
9437         * tree.h (split_specs_attrs, strip_attrs): Remove.
9438         * c-tree.h (split_specs_attrs): Declare.
9439
9440 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
9441
9442         * read-rtl.c: Disable RTL checking.
9443         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
9444
9445 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
9446
9447         * config/mips/mips.md (fcond): New code macro and attribute.
9448         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
9449         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
9450         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
9451
9452 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
9453
9454         Revert:
9455         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
9456         PR rtl-optimization/16590
9457         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
9458
9459 2004-08-30  Andrew Pinski  <apinski@apple.com>
9460
9461         * hard-reg-set.h:
9462         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
9463         * ChangeLog: Fix previous ChangeLog entry.
9464
9465         PR rtl-opt/13987
9466         * config.host (use_long_long_for_widest_fast_int): New, default is
9467         off.
9468         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
9469         * configure.ac: If use_long_long_for_widest_fast_int, then
9470         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
9471         * configure: Regenerate.
9472         * config.in: Regenerate.
9473         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
9474         New: widest integer type supported efficiently in hardware for the
9475         host.
9476         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
9477         HOST_BITS_PER_WIDEST_FAST_INT.
9478         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
9479         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
9480         HOST_WIDEST_FAST_INT
9481         instead of HOST_WIDE_INT.
9482         (HARD_REG_SET_LONGS): Likewise.
9483         (UHOST_BITS_PER_WIDE_INT): Likewise.
9484         Change the checks for the fast cases to be based on
9485         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
9486
9487 2004-08-30  Steven Bosscher  <stevenb@suse.de>
9488
9489         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
9490         not the pointers.
9491
9492 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
9493
9494         PR 12738
9495         PR 17205
9496         Radar 3460526
9497         Radar 3775729
9498         * c-decl.c (grokdeclarator): Produce error for 'static' on local
9499         function declaration.
9500
9501 2004-08-30  Richard Henderson  <rth@redhat.com>
9502
9503         * expr.c (array_ref_element_size): Force aligned_size back to
9504         sizetype.
9505         (component_ref_field_offset): Similarly for aligned_offset.
9506         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
9507         low-bound, element-size, field-offset fields rather than
9508         computed values.
9509
9510 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
9511
9512         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
9513         redundant code.
9514
9515 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
9516
9517         * c-tree.h (struct language_function): Add arg_info element.
9518         * c-decl.c (current_function_arg_info): New.
9519         (grokdeclarator, store_parm_decls): Use it instead of
9520         DECL_ARGUMENTS.
9521         (c_push_function_context, c_pop_function_context): Save and
9522         restore it.
9523
9524 2004-08-30  Richard Henderson  <rth@redhat.com>
9525
9526         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
9527         COMPONENT_REF to pointer arithmetic.
9528         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
9529         constant "c" as a valid constant initializer.  Allow narrowing of
9530         differences against the same base object, for any base object.
9531
9532 2004-08-30  Richard Henderson  <rth@redhat.com>
9533
9534         * expr.c (expand_expr_addr_expr): New.
9535         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
9536
9537 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
9538
9539         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
9540         (mips_fp_condition): New enum.
9541         (mips_fp_conditions): New array.
9542         (print_fcc_operand): Delete.
9543         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
9544         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
9545         (builtin_description): Add "cond" field.
9546         (DIRECT_BUILTIN): Initialize it.
9547         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
9548         into INSN and CODE.  Initialize the "cond" field.
9549         (CMP_BUILTINS): Update accordingly.
9550         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
9551         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
9552         mips_fp_condition as argument.  Make it the final operand of the
9553         comparison instruction.
9554         (mips_expand_builtin): Update accordingly.
9555         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
9556         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
9557         the gaps.
9558         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
9559         Don't use the 'Q' operand prefix; just print the operand normally.
9560         (mips_cabs_*, mips_c_*): Delete, replacing with...
9561         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
9562         patterns.  Split the 4s versions into 2 ps patterns after reload.
9563
9564 2004-08-30  Richard Henderson  <rth@redhat.com>
9565
9566         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
9567         assuming an ADDR_EXPR is non-null.
9568
9569 2004-08-30  Jason Merrill  <jason@redhat.com>
9570
9571         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
9572
9573 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
9574
9575         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
9576         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
9577         gcc_assert and gcc_unreachable instead of abort.
9578         * alloc-pool.c (abort, fancy_abort): Remove.
9579         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
9580         gcc_assert or gcc_unreachable.
9581         * attribs.c (init_attributes, decl_attributes): Likewise.
9582         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
9583         mark_bb_for_unlikely_executed_section,
9584         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
9585         fix_crossing_unconditional_branches):  Likewise.
9586         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
9587         bitmap_operation):  Likewise.
9588         * bt-load.c (insn_sets_btr_p, augment_live_range,
9589         move_btr_def):  Likewise.
9590         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
9591         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
9592         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
9593         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
9594         expand_builtin_memcmp, expand_builtin_args_info,
9595         std_gimplify_va_arg_expr, expand_builtin_unop,
9596         expand_builtin_fputs, expand_builtin_profile_func,
9597         expand_builtin_fork_or_exec, fold_builtin_bitop,
9598         fold_builtin_classify, fold_builtin_fputs): Likewise.
9599
9600 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
9601
9602         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
9603         * gcov.c (abort): Remove undef.
9604
9605         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
9606         (struct tree_binfo): Remove primary field.
9607
9608 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
9609
9610         * fixinc/Makefile.in (machname.h): Remove.
9611         (fixincl.x): Do not pass $@ to genfixes.
9612         * fixinc/genfixes: Remove code to produce machname.h.
9613         * fixinc/fixincl.sh: Move it here instead.
9614         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
9615         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
9616         return a bool indicating whether pz_mn_name_pat is NULL.
9617         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
9618         Declare extern C variables for the ENV_TABLE.
9619         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
9620         instead use the result of mn_get_regexps.
9621         * fixinc/fixtests.c: Likewise.
9622
9623 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
9624
9625         * configure.ac: Do not run fixincludes after stage1 during
9626         toplevel bootstrap.
9627         * configure: Regenerate.
9628
9629 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
9630
9631         * sched-deps.c (get_condition): Partially revert previous, by never
9632         trying to extract the condition from a condjump.
9633
9634 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
9635
9636         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
9637         (handle_visibility_attribute, c_determine_visibility): Likewise.
9638         * c-common.h (my_friendly_assert): Remove.
9639
9640 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
9641
9642         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
9643         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
9644         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
9645         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
9646         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
9647
9648 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
9649
9650         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
9651         in COMPONENT_REF nodes.
9652
9653 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9654
9655         PR c++/15378
9656         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
9657         global_dc->warning_as_error_requested.
9658         * diagnostic.c (diagnostic_initialize): Tidy.
9659         * diagnostic.h (diagnostic_context::x_data): Remove
9660         (diagnostic_context::issue_warnings_are_errors_message): Rename
9661         from warnings_are_errors_message.
9662         (diagnostic_context::warning_as_error_requested): New.
9663
9664 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
9665
9666         * sched-deps.c (get_condition): Fix breakage in previous patch.
9667
9668 2004-08-30  Paul Brook  <paul@codesourcery.com>
9669
9670         * doc/install.texi: Fix broken mpfr link.
9671
9672 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
9673
9674         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
9675         other FreeBSD platforms.
9676
9677 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
9678
9679         * arm.h (REVERSE_CONDITION): Define.
9680         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
9681
9682 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
9683
9684         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
9685         just the codes, call reversed_comparison_code ().
9686         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
9687         (not_reg_cond): Use reversed_comparison_code.
9688         (and_reg_cond): Likewise.
9689         * ifcvt.c (cond_exec_process_if_block): Likewise.
9690         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
9691
9692 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
9693
9694         * sched-deps.c (get_condition): Rewrite using jump support functions.
9695         Use reversed_comparison_code.
9696         (conditions_mutex_p): Use reversed_comparison_code.
9697
9698 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9699
9700         * config/mips/mips.c (override_options): Disable hot/cold partitioning
9701         for MIPS16.
9702
9703 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9704
9705         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
9706         (mips_function_type): Move to mips.c.
9707         * config/mips/mips.c (mips_builtin_type): New enum.
9708         (builtin_description): Replace code and ftype with builtin_type
9709         and function_type.
9710         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
9711         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
9712         (CODE_FOR_mips_abs_ps): Define.
9713         (mips_bdesc): Use new macros.
9714         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
9715         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
9716         (mips_expand_builtin_direct): New function.
9717         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
9718         builtin.  Replace boolean parameter with builtin_type.
9719         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
9720         (mips_expand_4s_compare_builtin): Delete, replacing with...
9721         (mips_expand_builtin_compare): ...this new function.
9722
9723 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
9724
9725         PR rtl-optimization/16590
9726         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
9727
9728 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
9729
9730         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
9731         * tree-ssa-propagate.c: Fix documentation.
9732
9733 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9734
9735         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
9736         (mov[sd]fcc): Likewise.
9737
9738 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9739
9740         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
9741
9742 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9743
9744         * config/mips/mips.md (divide_condition): New mode attribute.
9745         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
9746         (sqrt[sd]f3): Redefine using SCALARF.
9747         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
9748         patterns.
9749
9750 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9751
9752         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
9753         (loadx, storex, fmt, UNITMODE): New mode attributes.
9754         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
9755         (mul[sd]f3): Redefine using :SCALARF.
9756         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
9757         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
9758         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
9759         Check TARGET_FUSED_MADD for V2SF too.
9760         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
9761         were already named.
9762         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
9763         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
9764
9765 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9766
9767         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
9768         V2SF_type_node if it will be needed.
9769
9770 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9771
9772         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
9773         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
9774         (mips_prepare_builtin_target): New function.
9775         (mips_expand_builtin): Use them.  Update calls to subroutines.
9776         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
9777         cmp_choice with a boolean argument to select between movt and movf.
9778         Take the comparison's icode as an argument, not the function's fcode.
9779         (mips_expand_compare_builtin): New function.  Rename existing function
9780         to mips_expand_scalar_compare_builtin.
9781         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
9782         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
9783         comparison's icode as an argument, not the builtin's fcode.
9784
9785 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9786
9787         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
9788         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
9789         registers are false and -1 if all registers are true.
9790         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
9791         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
9792         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
9793         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
9794         (bc1any2t, bc1any2f): Likewise CCV2.
9795         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
9796
9797 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9798
9799         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
9800         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
9801         UNSPEC rather than an IF_THEN_ELSE.
9802         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
9803         mips_cond_move_tf_ps by name.
9804
9805 2004-08-29  Chao-ying Fu  <fu@mips.com>
9806             James E Wilson  <wilson@specifixinc.com>
9807
9808         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
9809         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
9810         * config/mips/mips-ps-3d.md: New file.
9811         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
9812         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
9813         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
9814         (mips_output_move): Emit "mov.ps" for V2SFmode.
9815         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
9816         MODE_VECTOR_FLOAT.
9817         (override_options): Check if TARGET_MIPS3D and there was an explicit
9818         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
9819         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
9820         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
9821         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
9822         and allow CCV2 and CCV4 to occupy two and four CC registers.
9823         (print_fcc_operand): New function.
9824         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
9825         %Z to call print_fcc_operand.
9826         (mips_function_value): Handle MODE_VECTOR_FLOAT.
9827         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
9828         (mips_vector_mode_supported_p): New function.
9829         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
9830         (builtin_description): New struct.
9831         (mips_bdesc): New array of struct builtin_description.
9832         (mips_expand_builtin, mips_init_builtins,
9833         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
9834         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
9835         functions.
9836         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
9837         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
9838         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
9839         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
9840         "-mips3d", and "-mno-mips3d".
9841         (ASM_SPEC): Map -mips3d to -mips3d in gas.
9842         (EXTRA_CONSTRAINT_Y): New macro.
9843         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
9844         multi-letter constraint 'Y'.
9845         (CONSTRAINT_LEN): New macro.
9846         (enum mips_builtins): New for MIPS builtin functions.
9847         (enum mips_function_type): New for the types of MIPS builtin functions.
9848         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
9849         * config/mips/mips.md: New constants for paired single and MIPS-3D
9850         instructions.  Include the new mips-ps-3d.md file.
9851         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
9852         movv2sf_hardfloat_64bit): New named patterns.
9853         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
9854         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
9855         sdxc1_v2sf_di): New unnamed patterns.
9856         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
9857         const_vector support.
9858         (const_0_or_1_operand): New predicate.
9859         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
9860
9861 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
9862
9863         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
9864         (tree-ssa-propagate.o): New rule.
9865         (GTFILES): Add tree-ssa-propagate.c.
9866         * tree-flow.h (struct stmt_ann_d): Remove field
9867         in_ccp_worklist.
9868         * tree-ssa-propagate.c: New file.
9869         * tree-ssa-propagate.h: New file.
9870         * tree-ssa-ccp.c: Re-write to use the routines from
9871         tree-ssa-propagate.c.
9872
9873 2004-08-28  Andrew Pinski  <apinski@apple.com>
9874
9875         * tree-ssa-loop.c: Remove extra include of basic-block.h.
9876
9877 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
9878
9879         * c-common.h: Update comments about ObjC/ObjC++ entry points.
9880         (objc_is_reserved_word): New prototype.
9881         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
9882         separate section; these are call-backs.
9883         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
9884         ObjC/ObjC++ "@" keywords.
9885         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
9886         prototypes; they already live in c-common.h.
9887         * stub-objc.c: Update copyright notice.
9888         (objc_is_reserved_word): New stub.
9889
9890 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
9891
9892         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
9893         even when not checking.
9894
9895 2004-08-27  Jason Merrill  <jason@redhat.com>
9896
9897         PR c++/13684
9898         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
9899         (gimple_push_cleanup): Add eh_only parm.
9900         (gimplify_target_expr): Pass it.
9901         * c.opt (-fno-threadsafe-statics): New option.
9902         * c-opts.c (c_common_handle_option): Handle it.
9903         * c-common.h (flag_threadsafe_statics): Declare it.
9904         * c-common.c (flag_threadsafe_statics): Record it.
9905         * doc/invoke.texi: Document it.
9906         * tsystem.h (_GNU_SOURCE): Define.
9907         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
9908         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
9909         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
9910         (__gthread_recursive_mutex_init_function): New fn.
9911         (__gthread_recursive_mutex_lock): New fn.
9912         (__gthread_recursive_mutex_trylock): New fn.
9913         (__gthread_recursive_mutex_unlock): New fn.
9914         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
9915         * gthr-win32.h, gthr-vxworks.h: Likewise.
9916         * gthr.h: Document.
9917
9918 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
9919
9920         * config/rs6000/rs6000.c (rs6000_override_options): Increase
9921         maximum skip to 15.  Set function alignment, jump alignment, and
9922         loop alignment to 16 for processors that form dispatch groups.
9923         (rs6000_rtx_costs): outer_code is used.
9924
9925 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
9926
9927         * stor-layout.c (sizetype_set): Remove.
9928         (set_sizetype): Don't test or set it.
9929
9930         * tree.h (size_int_type): Remove.
9931         * fold-const.c: Do not #include gt-fold-const.h.
9932         (size_htab_hash, size_htab_eq): Remove.
9933         (size_int_kind): Use build_int_cst.
9934         (new_const, size_htab): Remove.
9935         (size_int_type): Remove.
9936         (round_up): Use build_int_cst.
9937         (round_down): Likewise. Remove spurious constant build.
9938
9939 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
9940
9941         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
9942         Add is_release variable, use it for --enable-werror and
9943         --enable-checking defaults.
9944         * system.h (gcc_assert, gcc_unreachable): New.
9945         * doc/install.texi (--enable-checking): Update.
9946         * configure, config.in: Rebuilt.
9947
9948 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
9949
9950         * rtl.h (read_rtx): Change prototype.
9951         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
9952         line number.  Return true on success.
9953         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
9954         callers accordingly.
9955
9956 2004-08-26  Richard Henderson  <rth@redhat.com>
9957
9958         * c-typeck.c (build_offsetof): Remove.
9959         * c-tree.h (build_offsetof): Remove.
9960         * c-common.c (fold_offsetof_1, fold_offsetof): New.
9961         * c-common.h (fold_offsetof): Declare.
9962         * c-parse.in (offsetof_base): New.
9963         (offsetof_member_designator): Use it.  Build references, not just
9964         a tree list.
9965         (primary): Use fold_offsetof, not build_offsetof.
9966
9967 2004-08-26  Richard Henderson  <rth@redhat.com>
9968
9969         * tree.c (staticp): Return the static object.
9970         * tree.h (staticp): Update decl.
9971         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
9972         * langhooks.c (lhd_staticp): Return NULL_TREE.
9973         * langhooks-def.h (lhd_staticp): Update decl.
9974         * c-common.c (c_staticp): Return the static object.
9975         * c-common.h (c_staticp): Update decl.
9976
9977 2004-08-26  Richard Henderson  <rth@redhat.com>
9978
9979         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
9980         modes.
9981
9982 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
9983
9984         PR c/13801
9985         * c-decl.c (struct c_binding): Add type and inner_comp fields.
9986         (bind): Set type and inner_comp fields.
9987         (pop_scope): Restore type of decl to the correct type from an
9988         outer scope.  Give error when popping file scope for incomplete
9989         arrays completed incompatibly with default initialization in an
9990         inner scope.
9991         (diagnose_mismatched_decls): Handle externs with initializers at
9992         block scope.
9993         (pushdecl): Set type of external declaration at block scope based
9994         only on the visible declarations.  Save type when changing the
9995         type of a declaration.  Merge an external declaration at block
9996         scope with a visible static declaration at file scope.
9997         (implicitly_declare): Give recycled old declaration the new type
9998         except for incompatible declarations of built-in functions, saving
9999         the old type.
10000
10001 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
10002
10003         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
10004
10005 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
10006
10007         * tree-alias-common.c (gate_pta): New function.
10008         (pass_build_pta): Use it.
10009         (pass_del_pta): Use it.
10010         (delete_alias_vars): Don't check flag_tree_points_to.
10011
10012 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10013
10014         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
10015         TFmode as additional register mode cloberred by call.
10016
10017 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10018
10019         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
10020         parallel pattern for library call returning DImode in
10021         mixed mode.
10022
10023 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10024
10025         * config/rs6000/rs6000.c (function_arg): Generate parallel
10026         pattern for more split args.
10027
10028 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10029
10030         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
10031         either gen_movdi_di_update or gen_movdi_si_update depending on
10032         target mode.
10033         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
10034         to generate two versions.
10035
10036 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
10037
10038         * Makefile.in (lambda-code.o): New.
10039         (lambda-trans.o): Ditto.
10040         (TREE_DATA_REF_H): Ditto.
10041         (LAMBDA_H): Ditto.
10042         (lambda-mat.o): Use LAMBDA_H.
10043         (tree-data-ref.o): Ditto.
10044         * lambda-code.c: New file.  Lambda code generation algorithm.
10045         * lambda-trans.c: Ditto. Lambda transformation matrix support.
10046         * lambda.h: Add lambda loop structures.
10047         Add lambda loopnest structures.
10048         Add lambda body vector structure.
10049         Add lambda linear expression structures.
10050         Add prototypes for functions in new files.
10051         * lambda-mat.c: Include tree.h
10052
10053 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
10054             Sebastian Pop  <pop@cri.ensmp.fr>
10055
10056         * tree-data-ref.h: Include lambda.h
10057         (free_dependence_relation): Declared here.
10058         (free_dependence_relations): Ditto.
10059         (free_data_refs): Ditto.
10060         * tree-data-ref.c (free_dependence_relation): New function.
10061         (free_dependence_relations): Ditto.
10062         (free_data_refs): Ditot.
10063         (analyze_all_data_dependences): Free datarefs and dependence_relations.
10064         (build_classic_dist_vector): Store in the dependence_relations the
10065         information. Each arc in the dependence_relations graph is labelled
10066         with the distance and direction vectors.
10067         (build_classic_dir_vector): Ditto.
10068         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
10069         Now computes again the whole dependence graph including read-read
10070         relations.
10071         (compute_data_dependences_for_loop): Now dependence_relations contains
10072         all the data, and thus it doesn't need to initialize the classic_dir
10073         and classic_dist vectors.
10074         (analyze_all_data_dependences): Adjusted for using the new interface of
10075         compute_data_dependences_for_loop.  Remove the statistics dump.
10076
10077 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
10078
10079         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
10080         (xtensa_expand_block_move): Update comment.
10081         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
10082
10083 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
10084
10085         PR target/13506
10086         * toplev.c (crash_signal): If we crashed while emitting
10087         a user asm, then die more gracefully.
10088
10089 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10090
10091         PR target/17119.
10092         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
10093         checking for a valid constant, regardless of sign.
10094
10095 2004-08-25  Richard Henderson  <rth@redhat.com>
10096
10097         PR target/16974
10098         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
10099         if the constant satisfies add_operand.
10100
10101 2004-08-25  Richard Henderson  <rth@redhat.com>
10102
10103         PR debug/10695
10104         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
10105         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
10106         unwind info for >16-bit frames.
10107
10108 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
10109
10110         PR target/17171
10111         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
10112
10113 2004-08-25  Richard Henderson  <rth@redhat.com>
10114
10115         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
10116         (TARGET_CANNOT_FORCE_CONST_MEM): New.
10117
10118 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
10119
10120         * doc/tree-ssa.texi: Document new operand iterator.
10121
10122 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
10123
10124         PR target/16480
10125         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
10126         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
10127         as PLUS base regs.
10128
10129 2005-08-28  Paul Brook  <paul@codesourcery.com>
10130
10131         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
10132         -mfpu=vfp -march=armv5t
10133         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
10134
10135 2004-08-25  Richard Henderson  <rth@redhat.com>
10136
10137         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
10138         * target.h (struct gcc_target): Add scalar_mode_supported_p.
10139         * targhooks.c (default_scalar_mode_supported_p): New.
10140         * targhooks.h (default_scalar_mode_supported_p): Declare.
10141         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
10142
10143         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
10144         before attempting to create types.  Tidy.
10145         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
10146
10147         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
10148         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
10149
10150 2004-08-25  Richard Henderson  <rth@redhat.com>
10151
10152         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
10153         set REAL_MODE_FORMAT for TFmode.
10154
10155 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
10156
10157         * c-decl.c (grokparm): New function.
10158         * c-tree.h (grokparm): New prototype.
10159
10160 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
10161
10162         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
10163         iterator controlling structure.
10164         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
10165         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
10166         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
10167         iterator flags.
10168         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
10169         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
10170         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
10171         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
10172         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
10173         Empty operand pointers.
10174         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
10175         (op_iter_next_use): New.  Return next use_operand_p.
10176         (op_iter_next_def): New.  Return next def_operand_p.
10177         (op_iter_next_tree): New.  Return next operands as a tree.
10178         (op_iter_init): New.  Initialize an iterator structure.
10179         (op_iter_init_use): New.  Initialize structure and get the first use.
10180         (op_iter_init_def): New.  Initialize structure and get the first def.
10181         (op_iter_init_tree): New.  Initialize structure and get the first tree.
10182         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
10183         (op_iter_init_maydef): New.  Initialize structure and get the first
10184         V_MAY_DEF operands.
10185         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
10186         * tree-dfa.c (compute_immediate_uses_for_stmt,
10187         redirect_immediate_uses): Use new operand iterator.
10188         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
10189         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
10190         operands instead of using *_disappeared_p routines.
10191         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
10192         ssa_rewrite_stmt): Use new operand iterator.
10193         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
10194         rewrite_trees): Use new operand iterator.
10195         * tree-pretty-print.c (dump_vops): Use new operand iterator.
10196         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
10197         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
10198         dump_points_to_info): Use new operand iterator.
10199         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
10200         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
10201         operand iterator.
10202         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
10203         propagate_necessity): Use new operand iterator.
10204         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
10205         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
10206         a parameter instead of a stmt_ann_t.
10207         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
10208         build_tree_conflict_graph): Use new operand iterator.
10209         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
10210         rewrite_mem_refs): Use new operand iterator.
10211         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
10212         check_loop_closed_ssa_use): Use new operand iterator.
10213         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
10214         * tree-ssanames.c (release_defs): Use new operand iterator.
10215         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
10216
10217 2004-08-25  Adam Nemet  <anemet@lnxw.com>
10218
10219         * tlink.c (initial_cwd): New variable.
10220         (tlink_init): Initialize it.
10221         (recompile_files): Use tlink_execute() instead of system().  Don't
10222         duplicate verbose output of collect_execute.  Restore initial_cwd.
10223         Update comment before the function.
10224
10225 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
10226
10227         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
10228         accept) a cast from one Objective-C pointer type to another.
10229
10230 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
10231
10232         * doc/install.texi: Document that libstdc++-v3 requires
10233         now automake 1.9.1.
10234
10235 2004-08-25  Caroline Tice  <ctice@apple.com>
10236
10237         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
10238         to comments at start of function.
10239         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
10240         comment.
10241         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10242         merge_blocks_move_predecessor_nojumps,
10243         merge_blocks_move_successor_nojumps, merge_blocks_move,
10244         try_crossjump_to_edge, try_crossjump_bb): Likewise.
10245         * cfglayout.c (fixup_reorder_chain): Likewise.
10246         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
10247         cfg_layout_can_merge_blocks_p):  Likewise.
10248         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
10249         * passes.c (rest_of_compilation): Update comments for calling
10250         optimization that partitions hot/cold basic blocks.
10251         * doc/invoke.texi:  Update documentation of
10252         freorder-blocks-and-partition flag.
10253
10254 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
10255
10256         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
10257         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
10258
10259 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
10260
10261         * config/mips/mips.md (any_shift): New code macro.
10262         (optab, insn): New code attributes.
10263         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
10264         Use the standard rather than internal patterns for the MIPS16
10265         double-shift optimization.
10266         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
10267         Redefine using :GPR and any_shift.
10268         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
10269         to cover all three shifts.
10270         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
10271         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
10272         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
10273
10274 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
10275
10276         * gimplify.c (lookup_tmp_var): Separate temporaries when not
10277         optimizing.
10278
10279 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10280
10281         PR libstdc++/17005 (fix for HP-UX 11.11)
10282         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
10283         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
10284         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
10285         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
10286         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
10287         (LINK_SPEC): Handle march=1.0 option.
10288         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
10289         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
10290         (SUBTARGET_OPTIONS): New define.
10291         (LINK_SPEC): Handle march=1.0 option.
10292         (STARTFILE_SPEC): New define.
10293         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
10294         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
10295         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
10296         (SUBTARGET_OPTIONS): New define.
10297         (LINK_SPEC): Handle march=1.0 option.
10298         (STARTFILE_SPEC): New define.
10299         * config/pa/pa.c (override_options): Add code to process -munix= option.
10300         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
10301         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
10302         defines.
10303         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
10304         (SUBTARGET_OPTIONS): Provide default define.
10305         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
10306         STANDARD_STARTFILE_PREFIX_2): New defines.
10307         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
10308         (ENDFILE_SPEC): Use %O.
10309         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
10310         Mention issue caused by changing namespace and runtime to UNIX 95/98.
10311         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
10312         Document -munix=std option.
10313
10314 2004-08-25  Steven Bosscher  <stevenb@suse.de>
10315
10316         * cse.c (cse_around_loop, cse_check_loop_start,
10317         cse_set_around_loop): Remove.
10318         (cse_basic_block): Remove the around_loop argument.
10319         (cse_end_of_basic_block): Remove the after_loop argument.
10320         (cse_main): Likewise.
10321         * rtl.h (cse_main): Update prototype.
10322         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
10323         rest_of_handle_gcse): Update cse_main calls.
10324
10325 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
10326
10327         * tree.h  (build_int_cst): New, sign extended constant.
10328         (build_int_cstu): New, zero extended constant.
10329         (build_int_cst_wide): Renamed from build_int_cst.
10330         * tree.c (build_int_cst, build_int_cstu): New.
10331         (build_int_cst_wide): Renamed from build_int_cst.
10332         (make_vector_type, build_common_tree_nodes,
10333         build_common_tree_nodes_2): Adjust build_int_cst calls.
10334         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
10335         expand_builtin_strpbrk, expand_builtin_fputs,
10336         build_string_literal, expand_builtin_printf,
10337         expand_builtin_sprintf, fold_builtin_classify_type,
10338         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
10339         fold_builtin_toascii, fold_builtin_isdigit,
10340         simplify_builtin_strstr, simplify_builtin_strpbrk,
10341         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
10342         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
10343         DEF_ATTR_INT): Likewise.
10344         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
10345         Likewise.
10346         * c-lex.c (interpret_integer, lex_charconst): Likewise.
10347         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
10348         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10349         * c-typeck.c (really_start_incremental_init, push_init_level,
10350         set_nonincremental_init_from_string): Likewise.
10351         * calls.c (load_register_parameters): Likewise.
10352         convert.c (convert_to_pointer): Likewise.
10353         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
10354         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
10355         build_gcov_info): Likewise.
10356         * except.c (init_eh, assign_filter_values): Likewise.
10357         * expmed.c (store_fixed_bit_field, extract_bit_field,
10358         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
10359         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
10360         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
10361         * expr.c (convert_move, emit_group_load, emit_group_store,
10362         expand_assignment, store_constructor, store_field,
10363         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
10364         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
10365         invert_truthvalue, optimize_bit_field_compare,
10366         decode_field_reference, all_ones_mask_p, constant_boolean_node,
10367         fold_div_compare, fold, fold_read_from_constant_string,
10368         fold_negate_const, fold_abs_const, fold_not_const, round_up,
10369         round_down): Likewise.
10370         * function.c (assign_parm_setup_block): Likewise.
10371         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
10372         Likewise.
10373         * stor-layout.c (layout_type, initialize_sizetypes,
10374         set_min_and_max_values_for_integral_type): Likewise.
10375         * tree-chrec.c (chrec_fold_multiply_poly_poly,
10376         reset_evolution_in_loop): Likewise.
10377         * tree-chrec.h (build_polynomial_chrec): Likewise.
10378         * tree-complex.c (build_replicated_const): Likewise.
10379         * tree-eh.c (honor_protect_cleanup_actions,
10380         lower_try_finally_onedest, lower_try_finally_copy,
10381         lower_try_finally_switch): Likewise.
10382         * tree-mudflap.c (mf_build_string, mx_register_decls,
10383         mudflap_register_call, mudflap_enqueue_constant): Likewise.
10384         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
10385         * tree-pretty-print.c (dump_generic_node): Likewise.
10386         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
10387         Likewise.
10388         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
10389         * tree-ssa-loop-niter.c (number_of_iterations_cond,
10390         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
10391         Likewise.
10392         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
10393         canonicalize_loop_induction_variables): Likewise.
10394         * tree-vectorizer.c (vect_create_index_for_array_ref,
10395         vect_transform_loop_bound, vect_compute_data_ref_alignment):
10396         Likewise.
10397
10398         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
10399         alpha_gimplify_va_arg_1): Likewise.
10400         * config/arm/arm.c (arm_get_cookie_size): Likewise.
10401         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10402         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
10403         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
10404         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
10405         mips_gimplify_va_arg_expr): Likewise.
10406         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10407         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
10408         add_compiler_branch_island): Likewise.
10409         * config/s390/s390.c (s390_va_start): Likewise.
10410         * config/sh/sh.c (sh_va_start): Likewise.
10411         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
10412         Likewise.
10413         * config/xtensa/xtensa.c (xtensa_va_start,
10414         xtensa_gimplify_va_arg_expr): Likewise.
10415
10416         * objc/objc-act.c (build_objc_string_object,
10417         build_objc_symtab_template, init_def_list, init_objc_symtab,
10418         init_module_descriptor, generate_static_references,
10419         build_selector_translation_table, get_proto_encoding,
10420         build_typed_selector_reference, build_selector_reference,
10421         build_next_objc_exception_stuff,
10422         build_method_prototype_list_template, generate_descriptor_table,
10423         generate_protocols, build_protocol_initializer,
10424         build_ivar_list_template, build_method_list_template,
10425         build_ivar_list_initializer, generate_ivars_list,
10426         generate_dispatch_table, generate_protocol_list,
10427         build_category_initializer, build_shared_structure_initializer,
10428         generate_shared_structures, handle_impent,
10429         generate_objc_image_info): Likewise.
10430
10431 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
10432
10433         * cfglayout.c (duplicate_insn_chain): Remove references to
10434         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
10435         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
10436         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
10437         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
10438         and NOTE_INSN_LOOP_CONT.
10439         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
10440         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
10441         and NOTE_INSN_LOOP_CONT.
10442         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
10443         check_dbra_loop, loop_dump_aux): Remove references to removed notes
10444         and fields.
10445         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
10446         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
10447         references to removed notes and fields.
10448         (subtract_reg_term, ujump_to_loop_cont): Remove.
10449
10450 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
10451
10452         * doc/install.texi: Document that libcpp does not require
10453         Automake any longer.  Document that Automake 1.9.1 should
10454         work everywhere.
10455
10456 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
10457
10458         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
10459         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
10460         DWARF_DEBUGGING_INFO from choice-of-definition chain;
10461         restructure using C89 features (#elif, #error).
10462         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
10463         * config/sh/sh.h: Remove references to DWARF_DEBUG.
10464         * doc/invoke.texi: Remove references to DWARF version 1;
10465         clarify why -gdwarf-2<n> doesn't work.
10466
10467 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
10468
10469         * basic-block.h (BB_SET_PARTITION): Clear old value first.
10470         * cfg.c (clear_bb_flags): Don't clear partition setting.
10471         * ifcvt.c (find_if_case_1): Remove ??? comment.
10472
10473 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
10474
10475         PR target/17052
10476         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
10477         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10478         current_function_stdarg in place of sysv_varargs_p.
10479         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
10480         sysv_varargs_p.
10481
10482 2004-08-24  Richard Henderson  <rth@redhat.com>
10483
10484         PR target/16298
10485         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
10486         random codes within CONST.
10487
10488 2004-08-24  James E Wilson  <wilson@specifixinc.com>
10489
10490         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
10491         -freorder-blocks-and-partition.
10492
10493 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10494
10495         PR middle-end/17044
10496         * tree-ssa-threadupdate.c (redirection_data): Make static.
10497         (thread_block): Use ggc_alloc_cleared to allocate struct
10498         redirection_data.  Don't free elements in redirection_data.
10499
10500 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10501
10502         * config/mips/predicates.md (small_data_pattern): Match prefetches.
10503
10504 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10505
10506         PR tree-optimization/17016
10507         * tree-ssa-loop-niter.c (number_of_iterations_cond,
10508         number_of_iterations_exit): Use POINTER_TYPE_P instead
10509         of testing for POINTER_TYPE.
10510
10511 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10512
10513         * tree-ssa-loop-ivcanon.c: New file.
10514         * tree-ssa-loop-manip.c (create_iv): New function.
10515         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
10516         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
10517         * cfgloop.c (mark_single_exit_loops): New function.
10518         (verify_loop_structure): Verify single-exit loops.
10519         * cfgloop.h (struct loop): Add single_exit field.
10520         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
10521         (mark_single_exit_loops): Declare.
10522         (tree_num_loop_insns): Declare.
10523         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
10524         (duplicate_loop_to_header_edge): Use it.
10525         * common.opt (fivcanon): New flag.
10526         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
10527         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
10528         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
10529         (bsi_insert_on_edge_immediate): New function.
10530         * tree-flow.h (bsi_insert_on_edge_immediate,
10531         canonicalize_induction_variables, tree_unroll_loops_completely,
10532         create_iv): Declare.
10533         * tree-optimize.c (init_tree_optimization_passes): Add
10534         pass_iv_canon and pass_complete_unroll.
10535         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
10536         * tree-scalar-evolution.c (get_loop_exit_condition,
10537         get_exit_conditions_rec, number_of_iterations_in_loop,
10538         scev_initialize): Use single_exit information.
10539         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
10540         missing assumptions.
10541         (loop_niter_by_eval):  Return number of iterations as unsigned
10542         int.
10543         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
10544         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
10545         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
10546         New passes.
10547         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
10548         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
10549         the defining statement is ready.
10550         * tree-vectorizer.c (vect_create_iv_simple): Removed.
10551         (vect_create_index_for_array_ref, vect_transform_loop_bound):
10552         Use create_iv.
10553         (vect_transform_loop_bound): Use single_exit information.
10554         (vect_analyze_loop_form): Cleanup bogus tests.
10555         (vectorize_loops): Do not call flow_loop_scan.
10556         * tree.h (may_negate_without_overflow_p): Declare.
10557         * fold-const.c (may_negate_without_overflow_p): Split out from ...
10558         (negate_expr_p): ... this function.
10559         (tree_expr_nonzero_p): Handle overflowed constants correctly.
10560         * doc/invoke.texi (-fivcanon): Document.
10561         * doc/passes.texi: Document canonical induction variable creation.
10562
10563 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10564
10565         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
10566         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
10567         using the mode of the operand to decide between them.
10568         * config/mips/mips.md (MOVECC): New mode macro.
10569         (ccreg): New mode attribute.
10570         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
10571         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
10572         (mov[sd]icc): Redefine using :GPR.
10573
10574 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10575
10576         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
10577         (mips_prefetch_cookie): New function.
10578         * config/mips/mips.c (print_operand_address): Fix handling of
10579         ADDRESS_CONST_INT.
10580         (mips_emit_prefetch): Delete.
10581         (mips_prefetch_cookie): New function.
10582         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
10583         mode of QImode for the address_operand.  Use mips_prefetch_cookie
10584         to calculate the first "pref" operand.
10585         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
10586         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
10587
10588 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
10589
10590         * arm.md: Include predicates.md.
10591         * predicates.md: New file.
10592         * arm.c (s_register_operand, arm_hard_register_operand)
10593         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
10594         (arm_immediate_operand, arm_neg_immediate_operand)
10595         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
10596         (arm_add_operand, arm_addimm_operand, arm_not_operand)
10597         (offsettable_memory_operand, alignable_memory_operand)
10598         (arm_reload_memory_operand, arm_float_rhs_operand)
10599         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
10600         (index_operand, shiftable_operator, logical_binary_operator)
10601         (shift_operator, equality_operator, arm_comparison_operator)
10602         (minmax_operator, cc_register, dominant_cc_register)
10603         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
10604         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
10605         (const_shift_operand, load_multiple_operation)
10606         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
10607         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
10608         (cirrus_register_operand, cirrus_fp_register)
10609         (cirrus_shift_const): Delete, replaced with equivalents in
10610         predicates.md.
10611         (shift_op): Handle ROTATE.
10612         * arm-protos.h: Delete declarations for above.
10613         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
10614         * t-arm (MD_INCLUDES): Add predicates.md.
10615         (s-preds): Depends on MD_INCLUDES.
10616
10617 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10618
10619         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
10620         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
10621         patterns.  Redefine using :GPR.  Give the match_operator a mode.
10622         Use '%2' rather than '%z2' for operand 2.
10623
10624 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10625
10626         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
10627         attribute.
10628
10629 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10630
10631         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
10632         of internal patterns.
10633         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
10634         Redefine using :P.
10635         (tablejump): Use expand_binop to calculate address.  Adjust names
10636         of internal patterns.
10637         (tablejump[sd]i): Renamed from tablejump_internal[12].
10638         Redefine using :P.
10639         (tablejump_mips16[12]): Delete.
10640
10641 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10642
10643         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
10644         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
10645         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
10646         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
10647         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
10648
10649 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10650
10651         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
10652         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
10653         using :GPR.
10654         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
10655         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
10656         (*branch_equality[sd]i_inverted): Likewise
10657         branch_equality{,_di}_inverted.
10658         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
10659         Redefine using :GPR.
10660
10661 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
10662
10663         * rtl.def: Reorganize, placing all codes used only in machine
10664         descriptions at the end.
10665
10666         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
10667         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
10668         rtx_name, rtx_format arrays by direct reference to rtl.def,
10669         first undefining GENERATOR_FILE.  Define enum insn_note and
10670         note_insn_name array by direct reference to insn-notes.def.
10671         (adjust_field_rtx_def): Remove local definition of rtx_name.
10672         Use symbolic names for insn notes.
10673         * Makefile.in (gengtype.o): Update dependencies.
10674
10675 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
10676
10677         * basic-block.h (struct basic_block_def): Reorder fields to
10678         eliminate interior padding.  Remove 'partition' field.
10679         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
10680         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
10681         (BB_COPY_PARTITION): New macros.
10682         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
10683         Replace all references to the 'partition' field of a basic
10684         block with new macros.
10685
10686         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
10687         * final.c (final_scan_insn): Don't handle it.
10688         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
10689         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
10690         * sched-rgn.c (sched_is_disabled_for_current_region_p):
10691         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
10692
10693 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
10694
10695         * c-decl.c (c_init_decl_processing): Adjust
10696         build_common_tree_nodes call.
10697         * expmed.c (const_mult_add_overflow_p): Use
10698         build_distinct_type_copy.
10699         * stor-layout.c (early_type_list): Remove.
10700         (layout_type): Don't append to early_type_list.
10701         (initialize_sizetypes): Add signed_p argument.
10702         (set_sizetype): Overwrite the stub type nodes directly.
10703         * tree.c (copy_node_stat): Clear a type's value cache here ...
10704         (build_distinct_type): ... not here.
10705         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
10706         * tree.h (initialize_sizetypes): Add signed_p argument.
10707         (build_common_tree_nodes): Likewise.
10708
10709         * objc/objc-act.c (get_static_reference): Use
10710         build_variant_type_copy.
10711         (get_protocol_reference): Likewise.
10712         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
10713
10714 2004-08-24  Richard Henderson  <rth@redhat.com>
10715             Andrew Pinski  <apinski@apple.com>
10716
10717         * gimplify.c (gimplify_array_ref_to_plus): Delete.
10718         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
10719         for ARRAY_REF.
10720
10721         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
10722         ARRAY_REF also to get to the STRING_CST.
10723
10724 2004-08-24  Paul Brook  <paul@codesourcery.com>
10725
10726         * config/arm/arm.c (arm_override_options): Update error message.
10727         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
10728         TARGET_HARD_FLOAT_ABI.
10729         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
10730         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
10731
10732 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10733
10734         PR target/17093
10735         * config/m32r.md (movsi_sda): Add SI mode specification to
10736         UNSPEC.
10737
10738 2004-08-24  Nick Clifton  <nickc@redhat.com>
10739
10740         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
10741         of seth_add3_operand.
10742
10743 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
10744
10745         * Makefile.in (PROTO_OBJS): Add errors.o.
10746         * protoize.c (fancy_abort): Remove.
10747         * mips-tfile.c (fancy_abort): Add parameters.
10748
10749 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
10750
10751         * doc/trouble.texi (C++ misunderstandings): Fix example code.
10752
10753 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
10754
10755         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
10756         (host-default.o): Add dependency on HOOKS_H.
10757         * config/x-linux: Likewise.
10758         * config/x-solaris: Likewise.
10759         * config/i386/x-mingw32: Likewise.
10760         * config/rs6000/x-darwin: Likewise.
10761
10762 2004-08-23  James E Wilson  <wilson@specifixinc.com>
10763
10764         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
10765         DEF_REG_NOTE.
10766
10767 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
10768
10769         PR c/14492
10770         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
10771
10772 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
10773
10774         * cfg.c (check_bb_profile): Fix typos.
10775         * function.c (assign_parm_is_stack_parm): Likewise.
10776         * tree-nested.c: Likewise.
10777
10778 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
10779
10780         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
10781         Remove TYPECODE.
10782         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
10783
10784 2004-08-23  Eric Christopher  <echristo@redhat.com>
10785
10786         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
10787         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
10788         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
10789         * target.h: Ditto.
10790         * hooks.h: Include machmode.h.
10791         (hook_bool_mode_false): Declare.
10792         * hooks.c (hook_bool_mode_false): Define.
10793         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
10794         * stor-layout.c (layout_type): Ditto.
10795         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
10796         Define to target macro.
10797         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
10798         * config/arm/arm.c: Ditto. Use.
10799         * config/arm/arm.h: Ditto.
10800         * config/arm/arm-protos.h: Ditto.
10801         * config/i386/i386.c: Ditto.
10802         * config/i386/i386.h: Ditto.
10803         * config/rs6000/rs6000.c: Ditto.
10804         * config/rs6000/rs6000.h: Ditto.
10805         * config/sh/sh.c: Ditto.
10806         * config/sh/sh.h: Ditto.
10807         * config/sh/sh-protos.h: Ditto.
10808         * config/sh/sh.md: Use.
10809         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
10810         to TARGET_VECTOR_MODE_SUPPORTED_P.
10811
10812 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
10813
10814         * Makefile.in (BUILD_ERRORS): Set to build-errors.
10815         (errors.o): New target for host.
10816         (build-errors.o): New target for build.
10817         (genobjs): Replace errors.o with build-errors.
10818         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
10819         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
10820         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
10821         (fix-header.o): Add errors.h
10822         * collect2.c (fancy_abort): Add parameters.
10823         * collect2.h (fancy_abort): Don't declare.
10824         * errors.h (fancy_abort): Don't declare.
10825         * errors.c: Include either bconfig.h or config.h.
10826         (fancy_abort): Trim filename.
10827         * fix-header.c (v_fatal, fatal): Remove.
10828         (progname): Remove definition.
10829         (main): Set progname here.
10830         * gcc.c (fancy_abort): Add parameters.
10831         * gcc.h (fancy_abort): Remove declaration.
10832         * gcov.c (fancy_abort): Remove.
10833         * rtl.h (fancy_abort): Don't declare.
10834         (abort): Don't define.
10835         * tree.h (fancy_abort): Don't declare.
10836         (abort): Don't define.
10837         * system.h (fancy_abort): Declare.
10838         (abort): Define to fancy_abort.
10839         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
10840
10841         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
10842         (usize_type, ubitsizetype): Remove.
10843         * stor-layout.c (set_sizetype): Don't initialize usizetype,
10844         ubitsizetype.
10845         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
10846
10847         * tree.h (build_distinct_type_copy): New.
10848         (build_type_copy): ... here.  Rename to ...
10849         (build_variant_type_copy): ... here.
10850         * tree.c (build_qualified_type): Rename build_type_copy call.
10851         (build_distinct_type_copy): New, broken out of ...
10852         (build_type_copy): ... here.  Rename to ...
10853         (build_variant_type_copy): ... here.  Use
10854         build_distinct_type_copy.
10855         (build_common_tree_nodes_2): Rename build_type_copy call.
10856         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
10857         call.
10858         (handle_packed_attribute, handle_unused_attribute,
10859         handle_transparanet_union_attribute, handle_aligned_attribute,
10860         handle_deprecated_attribute): Likewise.
10861         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
10862         Likewise.
10863         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
10864         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
10865         build_distinct_type_copy.
10866
10867 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10868
10869         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
10870         attribute.
10871
10872 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10873
10874         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
10875         loads and stores.
10876         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
10877         formerly unnamed patterns.  Redefine using :P for the address.  Remove
10878         explicit length attributes.
10879
10880 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10881
10882         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
10883         New functions.
10884         (single_reachable_address): Use them.
10885         (schedule_sm): Add dump.
10886         (is_call_clobbered_ref): New function.
10887         (determine_lsm_reg): Check whether the reference is call clobbered.
10888         Only work for gimple_reg_type values.
10889
10890 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10891
10892         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
10893         $31 store insns.  Redefine using :GPR.
10894
10895 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10896
10897         * config/mips/mips.md (P): New mode macro.
10898         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
10899         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
10900         Add mode attributes.
10901
10902 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10903
10904         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
10905         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
10906         later constants to cover the gap.
10907         (load, store): New mode attributes.
10908         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
10909         Use new unspec constants.
10910
10911 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10912
10913         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
10914         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
10915         to use register_operand rather than uns_arith_operand as the predicate
10916         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
10917         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
10918         Redefine using :GPR.  Make same predicate change here.  Extend the
10919         commutativity of operands 1 and 2 from the SImode version to the
10920         DImode one.
10921         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
10922         but with no predicate changes.
10923         (*nor[sd]i3): Redefine using :GPR.
10924
10925 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10926
10927         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
10928         noreturn functions.
10929
10930 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10931
10932         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
10933         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
10934         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
10935         rather than "%z2" (with a fake const0_rtx for operand 2).
10936         (ffs[sd]i2): Redefine using :GPR.
10937         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
10938
10939 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10940
10941         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
10942
10943 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10944
10945         * config/mips/mips.md (any_extend): New code macro.
10946         (u, su): New code attributes.
10947         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
10948         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
10949         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
10950         (*{s,u}mul_acc_di): Redefine using any_extend.
10951         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
10952         to reflect real insn names.
10953         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
10954         with an any_extend template.
10955         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
10956         Add '*' to name.
10957
10958 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10959
10960         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
10961         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
10962         (mul[sd]i3_r4000): Redefine using :GPR.
10963         (mulsi3_mult3): Don't check TARGET_MAD separately.
10964         (muldi3_mult3): Moved after mulsi_mult3.
10965
10966 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10967
10968         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
10969         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
10970         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
10971         (TARGET_GAS, TARGET_MIPS_AS): Delete.
10972         (TARGET_GPWORD): Define to true for n32 on IRIX.
10973         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
10974         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
10975         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
10976         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
10977         (MDEBUG_ASM_SPEC): Delete, folding into...
10978         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
10979         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
10980         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
10981         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
10982         to define asm_abi_default_spec.
10983         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
10984         (TARGET_ASM_SELECT_SECTION): Delete.
10985         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
10986         for non-mips16 code, removing previous workaround for SGI assemblers.
10987         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
10988         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
10989         (override_options): Remove !TARGET_GAS and !have_named_sections code.
10990         (print_operand): Fold TARGET_GAS conditionals into asm strings.
10991         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
10992         ASM_STABS_OP and ASM_STABN_OP.
10993         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
10994         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
10995         (mips_output_function_prologue): Remove !TARGET_GAS code.
10996         (mips_select_rtx_section): Remove !have_named_sections code.
10997         (mips_select_section): Delete.
10998         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
10999         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
11000         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
11001         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
11002         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
11003         * config/mips/windiss.h (ASM_SPEC): Likewise.
11004
11005 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11006
11007         * read-rtl.c (map_value, mapping, macro_group): New structures.
11008         (BELLWETHER_CODE): New macro.
11009         (modes, codes, bellwether_codes): New variables.
11010         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
11011         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
11012         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
11013         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
11014         (add_map_value, initialize_macros): New functions.
11015         (def_hash, def_hash_eq_p): Generalize to anything that points to,
11016         or starts with, a char * field.
11017         (find_macro, read_mapping, check_code_macro): New functions.
11018         (read_rtx_1): New, split out from read_rtx.  Handle the new
11019         define_{mode,code}_{macro,attr} constructs.  Use find_macro
11020         to parse the name of a code or mode.  Use BELLWETHER_CODE to
11021         extract the format and to choose a suitable code for rtx_alloc.
11022         Modify recursive invocations to use read_rtx_1.
11023         (read_rtx): Call initialize_macros.  Apply code and mode macros
11024         to the rtx returned by read_rtx_1.  Cache everything after the
11025         first macro expansion for subsequent read_rtx calls.
11026         * doc/md.texi: Document new .md constructs.
11027         * config/mips/mips.md (GPR): New mode macro.
11028         (d, si8_di5): New mode attributes.
11029         (any_cond): New code macro.
11030         (add[sd]i3): Redefine using :GPR.
11031         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
11032         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
11033         previously unnamed MIPS16 patterns.
11034         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
11035         lines.  Don't match (plus (const_int 0) ...).
11036         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
11037         Use a define_split to generate the addition.
11038         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
11039         (subsi3_internal): Delete.
11040         (*subsi3_extended): Renamed from subsi3_internal_2.
11041         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
11042         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
11043         using an any_cond template.
11044
11045 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11046
11047         * read-rtl.c (read_rtx): Tidy use of format_ptr.
11048
11049 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11050
11051         * read-rtl.c (string_obstack): New file-scope variable.
11052         (read_string, read_quoted_string, read_braced_string)
11053         (read_escape): Remove obstack parameter and use string_obstack instead.
11054         (read_rtx): Remove function-local rtl_obstack and initialize
11055         string_obstack instead.  Update call to read_string.
11056
11057 2004-08-22  Andrew Pinski  <apinski@apple.com>
11058
11059         PR c/15262
11060         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
11061         expression is not constant.
11062         (c_finish_return): Do not go through INDIRECT_REF when looking
11063         for the inner expression of an ADDR_EXPR for warning about.
11064
11065 2004-08-22  Richard Henderson  <rth@redhat.com>
11066
11067         PR 17075
11068         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
11069         create new blocks and fall through.
11070         (expand_gimple_basic_block): Update to match.
11071
11072 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
11073
11074         * reload.c (find_reloads_address): Make return value tri-state.
11075         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
11076         (find_reloads): Assume that reloaded addresses match 'o' or
11077         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
11078         returned 1 (not -1).  Omit optional reloads for address operands
11079         only if find_reloads_address returned 1 (not -1).
11080
11081         * config/s390/s390.c (legitimize_reload_address): New function.
11082         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
11083         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
11084         legitimize_reload_address.
11085
11086 2004-08-22  Richard Hendersion  <rth@redhat.com>
11087
11088         * tree.h (SAVE_EXPR_RESOLVED_P): New.
11089         * gimplify.c (gimplify_save_expr): Use it.
11090         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
11091         on the temporary variable.
11092
11093 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
11094
11095         * fold-const.c (rtl_expr_nonnegative_p): Delete.
11096         * tree.h (rtl_expr_nonnegative_p): Remove.
11097
11098 2004-08-22  Steven Bosscher  <stevenb@suse.de>
11099
11100         * config/i386/ppro.md (ppro_complex_insn): Add missing check
11101         for cpu==pentiumpro.
11102
11103         * combine.c (struct reg_stat): Fix comment typo.
11104
11105 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
11106
11107         * c-tree.h (c_sizeof_nowarn): Remove.
11108
11109 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
11110
11111         * c-decl.c (set_array_declarator_type): Rename to
11112         set_array_declarator_inner.
11113         (build_c_parm, build_attrs_declarator, build_function_declarator):
11114         New functions.
11115         (make_pointer_declarator): Call build_attrs_declarator.
11116         * c-tree.h (set_array_declarator_type): Rename to
11117         set_array_declarator_inner.
11118         (build_c_parm, build_attrs_declarator, build_function_declarator):
11119         New prototypes.
11120         * c-parse.in (after_type_declarator,
11121         parm_declarator_starttypename, parm_declarator_nostarttypename,
11122         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
11123         firstparm): Use these functions
11124
11125 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
11126
11127         * c-decl.c (build_array_declarator, set_array_declarator_type,
11128         start_decl, grokdeclarator, grokparms): Change boolean parameters
11129         to type bool.
11130         * c-tree.h (build_array_declarator, set_array_declarator_type,
11131         start_decl): Update prototypes.
11132         * c-decl.c, c-parse.in: All callers changed.
11133
11134 2004-08-21  Mike Stump  <mrs@apple.com>
11135
11136         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
11137         (darwin_fix_and_continue): Likewise.
11138         (darwin_fix_and_continue_switch): Likewise.
11139         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
11140         (darwin_fix_and_continue): Likewise.
11141         (darwin_fix_and_continue_switch): Likewise.
11142
11143 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
11144
11145         PR  c++/16030
11146         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
11147         Remove, merging into ...
11148         (gen_stdcall_or_fastcall_suffix): New function, returning tree
11149         rather than const char*, and accepting additional parameter.
11150         Don't add suffix to '*'-prefixed symbols or variadic functions.
11151         (i386_pe_encode_section_info): Adjust for call to new function.
11152         Call change_decl_assembler_name.
11153
11154 2004-08-20  Mike Stump  <mrs@apple.com>
11155
11156         * config/darwin.c (machopic_indirect_data_reference): Mark
11157         stubs as defined.
11158         * config/386/386.c (darwin_local_data_pic): Add.
11159         (legitimate_constant_p): Reorder so that PLUS handling runs
11160         before darwin_local_data_pic to match the ordering in
11161         legitimate_pic_address_disp_p and so that MINUS runs after
11162         darwin_local_data_pic as otherwise the darwin_local_data_pic
11163         logic can be skipped, which would be very bad.
11164         (legitimate_pic_address_disp_p): Move from from here to
11165         darwin_local_data_pic so it can be reused.
11166
11167 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
11168
11169         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
11170         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
11171         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
11172         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
11173         (RS6000_ABI_NAME): Define as "linux".
11174         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
11175         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
11176         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
11177         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
11178         * config/rs6000/rs6000.c (dot_symbols): New global var.
11179         (rs6000_output_function_entry): New function, modified for
11180         !DOT_SYMBOLS..
11181         (print_operand <case 'z'>): ..extracted from here.
11182         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
11183         (rs6000_output_function_epilogue): Likewise.
11184         (rs6000_elf_declare_function_name): Likewise.
11185         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
11186         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
11187         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
11188         * configure: Regenerate.
11189         * config.in: Regenerate.
11190
11191 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
11192
11193         * reload.c (find_reloads_address): Fix thinko in previous change.
11194
11195         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
11196         a CONST_INT.
11197
11198 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
11199
11200         PR rtl-optimization/17099
11201         * combine.c (force_to_mode): Check if inner_mask has any bits set
11202         outside of GET_MODE (x) instead of op_mode.
11203
11204 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
11205
11206         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
11207         fragment.
11208         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
11209         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
11210         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
11211         architecture.
11212         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
11213         configurations.
11214         * config/arm/t-symbian: New file.
11215
11216 2004-08-20  Andrew Pinski  <apinski@apple.com>
11217
11218         * regrename.c (kill_value_regno): ANSIfy.
11219
11220 2004-08-20  Dale Johannesen  <dalej@apple.com>
11221
11222         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
11223
11224 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
11225
11226         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
11227         (kill_value_regno): New function, derived from kill_value.
11228         (kill_value): Update.
11229         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
11230
11231 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
11232
11233         Fix PR tree-optimization/17111
11234         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
11235         of non-value_handles.
11236         (bitmap_set_contains): All constants are in every set.
11237
11238 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
11239
11240         * fold-const.c (round_up, round_down): Use build_int_cst.
11241         Optimize common case.
11242
11243 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
11244             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11245
11246         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
11247         one_only_data_section): Rename to som_readonly_data_section,
11248         som_one_only_readonly_data_section and som_one_only_data_section.
11249         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
11250         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
11251         conditional defines.
11252         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
11253         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
11254         string values.
11255         (pa_select_section): Use renamed section functions.
11256         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
11257         SOM_READONLY_DATA_SECTION_FUNCTION,
11258         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
11259         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
11260         Define here ...
11261         * config/pa/som.h: ... not here.
11262         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
11263         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
11264         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
11265         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
11266         (READONLY_DATA_SECTION): Use som_readonly_data_section.
11267
11268 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
11269
11270         * fold-const.c (int_const_binop): Don't generate non-overflowing
11271         size-types specially.
11272         (fold_convert_const): Likewise.
11273
11274         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
11275         clear cache on copied sizetype.
11276
11277 2004-08-20  Ben Elliston  <bje@au.ibm.com>
11278
11279         * configure.ac: Don't escape apostrophe in --enable-coverage help.
11280         * configure: Regenerate.
11281
11282 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
11283
11284         PR 5620
11285         * gcc.c (struct stat input_stat): Don't define if
11286         HOST_LACKS_INODE_NUMBERS
11287         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
11288         than stat to determine if temp file is same as input file.
11289         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
11290         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
11291
11292 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
11293
11294         * configure.ac (mips*-*-*): Print an error if not using GAS.
11295         * configure: Regenerated.
11296         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
11297         comments about buggy MIPSpro assemblers.
11298         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
11299         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
11300         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
11301         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
11302         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
11303         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
11304         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
11305         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
11306         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
11307         of more general IRIX 6 definitions.
11308         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
11309         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
11310         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
11311         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
11312         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
11313         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
11314         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
11315         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
11316         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
11317         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
11318         (LINK_SPEC): Move most of definition to iris.h.
11319         (SUBTARGET_LINK_SPEC): New macro.
11320         (IRIX_STARTFILE_SPEC): Fold into...
11321         (STARTFILE_SPEC): ...here.
11322         (IRIX_ENDFILE_SPEC): Fold into...
11323         (ENDFILE_SPEC): ...here.
11324         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
11325         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
11326         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
11327         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
11328         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
11329         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
11330         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
11331         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
11332         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
11333         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
11334         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
11335         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
11336         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
11337         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
11338         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
11339         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
11340         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
11341         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
11342         (TARGET_IRIX6): Define to 1.
11343         (DRIVER_SELF_SPECS): Define.
11344         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
11345         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
11346         (SUBTARGET_LINK_SPEC): New macro.
11347         (IRIX_STARTFILE_SPEC): Fold into...
11348         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
11349         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
11350         (LIB_SPEC, LIBGCC_SPEC): Use them.
11351         (LIB_SPEC): Remove !mabi=* case.
11352         (IRIX_ENDFILE_SPEC): Fold into...
11353         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
11354         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
11355         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
11356         (TARGET_IRIX6): New macro.
11357         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
11358         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
11359         (LABEL_AFTER_LOC): Delete.
11360         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
11361         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
11362         (mips_build_builtin_va_list): Check TARGET_IRIX6.
11363         (override_options): Remove TARGET_SGI_O32_AS-related code.
11364         (irix_output_external_libcall): Make static.
11365         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
11366         LABEL_AFTER_LOC.
11367         (mips_file_start): Tidy guard for ABI sections.  Remove use of
11368         ABICALLS_ASM_OP; use .abicalls instead.
11369         (mips_output_aligned_decl_common, mips_declare_object_name)
11370         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
11371         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
11372         .globl foo .text directives.
11373         (irix_asm_named_section_1, irix_asm_named_section)
11374         (irix_section_align_entry, irix_section_align_htab)
11375         (irix_orig_asm_out_file, irix_section_align_entry_eq)
11376         (irix_section_align_entry_hash, irix_asm_output_align)
11377         (irix_file_start, irix_section_align_1, copy_file_data)
11378         (irix_file_end, irix_section_type_flags): Delete.
11379         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
11380         Use standard section syntax.  Remove protective "jr $31".
11381         (__gcc_fini): Likewise .gcc_fini.
11382         * config/mips/irix-crtn.asm: Adjust sections accordingly.
11383         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
11384         iris5gas.h.
11385         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
11386         from t-irix-gld.
11387         (EXTRA_MULTILIB_PARTS): Define.
11388         * config/mips/t-iris6: Remove bogus comment.
11389         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
11390         * config/mips/iris5gas.h, config/mips/iris5gld.h,
11391         config/mips/iris6gas.h, config/mips/iris6gld.h,
11392         config/mips/t-iris5-as, config/mips/t-iris5-gas
11393         config/mips/t-irix-gld: Delete.
11394         * config/mips/iris.h: New file.
11395         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
11396
11397 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
11398
11399         * postreload.c (reload_cse_move2add): Allow any condjump, but check
11400         that the implicit set isn't clobbered in the jump insn.
11401
11402 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
11403
11404         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
11405         * optabs.c (init_optabs): Don't check it.
11406         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
11407         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
11408
11409 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
11410
11411         * config/s390/s390.md (s390_warn_framesize_string)
11412         (s390_warn_dynamic_string, s390_stack_size_string)
11413         (s390_stack_guard_string): New global string variables.
11414         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
11415         (s390_stack_guard): New global variables.
11416         (override_options): Added checks for the new options.
11417         (s390_emit_prologue): Emit stack check and trap code and perform
11418         compile time stack size checking.
11419
11420         * config/s390/s390.h (TARGET_OPTIONS): Added new options
11421         "warn-framesize", "warn-dynamicstack", "stack-size" and
11422         "stack-guard".
11423
11424         * doc/invoke.texi: Added documentation for the new options.
11425
11426 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
11427
11428         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
11429         to eliminate warning.
11430         (linear_search_fdes): Declare p as unsigned.
11431         (binary_search_mixed_encoding_fdes): Likewise.
11432         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
11433         to eliminate warning.
11434         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
11435         type cast.
11436
11437 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
11438
11439         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
11440         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
11441         instead of one.  Check for strictly legitimate address.
11442         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
11443         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
11444
11445 2004-08-19  Eric Christopher  <echristo@redhat.com>
11446
11447         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
11448         * langhooks.h (unsave_expr_now): Ditto.
11449         * tree.h (unsave_expr_1): Remove prototype.
11450         (lhd_unsave_expr_now): Rename to unsave_expr_now.
11451         * tree-inline.c (unsave_expr_1): Move here
11452         from tree.c. Make static.
11453         (unsave_expr_now): Rename from lhd_unsave_expr_now.
11454         * tree-sra.c: Fix up for rename.
11455         * tree-ssa-copy.c: Ditto.
11456         * tree-eh.c: Ditto.
11457         * tree.c (unsave_expr_1): Move to tree-inline.c.
11458
11459 2004-08-19  Caroline Tice  <ctice@apple.com>
11460
11461         * config/i386/cygming.h (switch_to_section):  Fix typo (change
11462         in_unlikely_text_section to in_unlikely_executed_text).
11463
11464 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
11465
11466         * vec.h (VEC_lower_bound): New macro.
11467
11468 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
11469
11470         PR target/16446
11471         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
11472         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
11473         treat each ABI separately.  Deal with n32/n64 complex float arguments.
11474         (function_arg): Add associated complex handling here.
11475
11476 2004-08-19  Richard Henderson  <rth@redhat.com>
11477
11478         * config/arm/arm.c (arm_gen_load_multiple): Use
11479         adjust_automodify_address.  Take base memory and offset instead
11480         of unchanging/struct/scalar bits.
11481         (arm_gen_store_multiple): Likewise.
11482         (arm_gen_movmemqi): Use adjust_automodify_address.
11483         * config/arm/arm-protos.h: Update decls.
11484         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
11485         (store_multiple): Similarly.
11486
11487 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
11488
11489         * regclass.c (globalize_reg): Update call_really_used_regs.
11490
11491 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
11492
11493         * doc/invoke.texi (integer-share-limit): Document.
11494
11495         * tree.h (TYPE_CACHED_VALUES_P): New.
11496         (TYPE_CACHED_VALUES): New.
11497         (TYPE_ORIG_SIZE_TYPE): Adjust.
11498         * tree.def (INTEGER_CST): Update documentation.
11499         * tree.c: Inlcude params.h.
11500         (build_int_cst): Cache small values.
11501         (build_type_copy): Do not copy the value cache.
11502         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
11503         unneeded zeroing.
11504         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
11505         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
11506         cache.
11507         * fold-const.c (force_fit_type): Copy value when setting
11508         overflows.
11509         (int_const_binop): Likewise.
11510         * stor-layout.c: Include params.h
11511         (set_sizetype): Create values cache.
11512         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
11513         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
11514         * params.h (INTEGER_SHARE_LIMIT): New.
11515         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
11516
11517 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
11518
11519         * gimplify.c (gimplify_minimax_expr): Remove.
11520         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
11521
11522 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
11523
11524         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
11525         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
11526
11527 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
11528
11529         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
11530
11531 2004-08-18  Andrew Pinski  <apinski@apple.com>
11532
11533         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
11534
11535 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
11536
11537         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
11538         (__aeabi_ul2f): Likewise.
11539
11540 2004-08-18  Richard Henderson  <rth@redhat.com>
11541
11542         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
11543         move to rtl completely.
11544         (struct meminsnbuf, xtensa_emit_block_move): Remove.
11545         (xtensa_find_mode_for_size): Remove.
11546         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
11547         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
11548
11549 2004-08-18  Richard Henderson  <rth@redhat.com>
11550
11551         * config/mcore/mcore.c (mode_from_align): Remove DImode.
11552         (block_move_sequence): Rewrite to use adjust_address.
11553         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
11554         Return boolean indicating success/failure.
11555         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
11556         * config/mcore/mcore.md (movmemsi): Update to match.
11557
11558 2004-08-18  Mike Stump  <mrs@apple.com>
11559
11560         * doc/invoke.texi (-mfix-and-continue): Add support for
11561         fast turn around debugging.
11562         (-ffix-and-continue): Likewise.
11563         (-mindirect-data): Likewise.
11564         (-findirect-data): Likewise.
11565         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
11566         (indirect_data): Likewise.
11567         (machopic_data_defined_p): Likewise.
11568         (machopic_output_indirection): Likewise.
11569         (darwin_encode_section_info): Likewise.
11570         (darwin_fix_and_continue): Likewise.
11571         (darwin_fix_and_continue_switch): Likewise.
11572         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
11573         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
11574         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
11575         (SUBTARGET_OPTIONS): Likewise.
11576         (darwin_fix_and_continue): Likewise.
11577         (darwin_fix_and_continue_switch): Likewise.
11578         (TARGET_FIX_AND_CONTINUE): Likewise.
11579         * config/rs6000.c (rs6000_emit_prologue): Likewise.
11580
11581 2004-08-19  Steven Bosscher  <stevenb@suse.de>
11582
11583         * basic-block.h (struct edge_def): Remove crossing_edge.
11584         (EDGE_CROSSING): New define.
11585         (EDGE_ALL_FLAGS): Update.
11586         * bb-reorder.c (find_traces_1_round, better_edge_p,
11587         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
11588         find_jump_block, fix_crossing_conditional_branches,
11589         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
11590         Replace all occurences of crossing_edge with an edge flag check
11591         or set/reset.
11592         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
11593         try_crossjump_bb): Likewise.
11594         * cfglayout.c (fixup_reorder_chain): Likewise.
11595         * cfgrtl.c (force_nonfallthru_and_redirect,
11596         commit_one_edge_insertion): Likewise.
11597
11598         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
11599         * tree-flow.h (compute_dominance_frontiers): Move prototype...
11600         * basic-block.h:  ...here.
11601         * tree-cfg.c (compute_dominance_frontiers_1,
11602         compute_dominance_frontiers): Move from here...
11603         * cfganal.c: ...to here.  Include timevar.h.
11604
11605 2004-08-18  James E Wilson  <wilson@specifixinc.com>
11606
11607         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
11608         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
11609
11610         * config/mips/mips.md (type): Add frdiv.
11611         (divsf3+1, divsf3+2): Change type to frdiv.
11612         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
11613         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
11614
11615         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
11616         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
11617         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
11618         * config/mips/5000.md (r5k_fdiv_single): Likewise.
11619         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
11620         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
11621         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
11622         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
11623         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
11624         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
11625         Likewise.
11626         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
11627
11628 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
11629
11630         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
11631         get regression tester working again.
11632
11633 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
11634
11635         * insn-notes.def, reg-notes.def: New files.
11636         * rtl.h: Use them to define enum insn_note and enum reg_note.
11637         * rtl.c: Use them to define note_insn_name and reg_note_name.
11638         * Makefile.in (RTL_BASE_H): Update.
11639
11640         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
11641         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
11642
11643 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
11644
11645         * arm.c (arm_size_rtx_costs): New function.
11646         (arm_override_options): Use it if optimizing for space.
11647
11648 2004-08-18  Richard Henderson  <rth@redhat.com>
11649
11650         * emit-rtl.c (gen_const_mem): New.
11651         * rtl.h (gen_const_mem): Declare.
11652         * expr.c (do_tablejump): Use it.
11653         * varasm.c (force_const_mem): Likewise.
11654         * config/darwin.c (machopic_indirect_data_reference): Likewise.
11655         (machopic_legitimize_pic_address): Likewise.
11656         * config/arm/arm.c (legitimize_pic_address): Likewise.
11657         * config/i386/i386.c (legitimize_pic_address): Likewise.
11658         (legitimize_tls_address): Likewise.
11659         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
11660         * config/ia64/ia64.md (load_fptr): Likewise.
11661         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
11662         * config/pa/pa.c (legitimize_pic_address): Likewise.
11663         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
11664         (rs6000_emit_move): Likewise.
11665         * config/s390/s390.c (legitimize_pic_address): Likewise.
11666         (legitimize_tls_address): Likewise.
11667         * config/s390/s390.md (casesi): Likewise.
11668         * config/sh/sh.c (sh_reorg): Likewise.
11669         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
11670         * config/v850/v850.md (casesi): Likewise.
11671
11672         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
11673         * config/sh/sh.c (prepare_move_operands): Remove incorrect
11674         use of MEM_READONLY_P.
11675
11676 2004-08-18  Steven Bosscher  <stevenb@suse.de>
11677
11678         * Makefile.in (OBJS-common): Add postreload-gcse.c.
11679         Add new postreload-gcse.o.
11680         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
11681         (lookup_as_function, insert, rehash_using_reg, use_related_value,
11682         equiv_constant): Use SAFE_HASH instead of safe_hash.
11683         (exp_equiv_p): Export.  Add for_gcse argument when comparing
11684         for GCSE.
11685         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
11686         find_comparison_args, fold_rtx, cse_insn): Update callers.
11687         (hash_rtx): New function derived from old canon_hash and bits
11688         from gcse.c hash_expr_1.
11689         (canon_hash_string): Rename to hash_rtx_string.
11690         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
11691         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
11692         (cselib_lookup): Update this caller.
11693         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
11694         Make static.
11695         (hash_expr): Call hash_rtx.
11696         (ldst_entry): Likewise.
11697         (expr_equiv_p): Call exp_equiv_p.
11698         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
11699         reg_used_on_edge, reg_set_between_after_reload_p,
11700         reg_used_between_after_reload_p, get_avail_load_store_reg,
11701         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
11702         get_bb_avail_insn, hash_scan_set_after_reload,
11703         compute_hash_table_after_reload,
11704         eliminate_partially_redundant_loads, gcse_after_reload,
11705         get_bb_avail_insn, gcse_after_reload_main): Remove.
11706         * postreload-gcse.c: New file, reincarnating most of the above.
11707         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
11708         (gcse_after_reload_main): Update prototype.
11709         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
11710         * passes.c (rest_of_handle_gcse2): Use it.
11711
11712 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
11713
11714         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
11715         (pass_loop_done): Likewise.
11716
11717 2004-08-18  Andrew Pinski  <apinski@apple.com>
11718
11719         * config/rs6000/darwin.md: Delete the altivec patterns which are
11720         handled differently now.
11721         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
11722         (macho_correct_pic_di): Likewise.
11723         (call_indirect_nonlocal_darwin64): Likewise.
11724         Delete the save world/saveFP/saveVec patterns.
11725
11726         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
11727         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
11728         * config/rs6000/rs6000.md: Include darwin.md.
11729         (builtin_setjmp_receiver): Add DImode case.
11730         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
11731         Darwin bits.
11732
11733 2004-08-18  Matt Austern  <austern@apple.com>
11734
11735         Dead code stripping
11736         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
11737         * darwin.c (darwin_file_end): Mark file as potentially strippable.
11738
11739 2004-08-18  Richard Henderson  <rth@redhat.com>
11740
11741         * alias.c (readonly_fields_p): Remove.
11742         (objects_must_conflict_p): Don't call it.
11743         * tree.h (readonly_fields_p): Remove.
11744         * langhooks.h (struct lang_hooks): Remove honor_readonly.
11745         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
11746
11747 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
11748
11749         * tree-dfa.c (add_referenced_var): Only global variables are
11750         call-clobbered.
11751         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
11752         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
11753         all pointers dereferenced if the statement dereferences them.
11754         (create_name_tags): Do not create memory tags for pointers
11755         that have PT_ANYTHING set.
11756         Also check if PT_VARS is not empty before creating a name tag.
11757         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
11758         variables that share the same alias set with a pointer that
11759         may point anywhere.
11760         (add_may_alias): Add FIXME comment to remove clobbering
11761         aliased variables and tags.
11762         (replace_may_alias): Likewise.
11763         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
11764         (merge_pointed_to_info): If the original variable has not
11765         points-to information, call set_pt_anything.
11766         (add_pointed_to_var): Do not prevent adding a pointed-to
11767         variable if the pointers is PT_ANYTHING.
11768         If the variable is a global, set PT_GLOBAL_MEM.
11769         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
11770         pointer type only come in PTR+OFFSET flavours.
11771         Always call merge_pointed_to_info on PHI arguments that are
11772         SSA_NAMEs.
11773         (get_nmt_for): Mark call-clobbered tags whose pointer points
11774         to global memory.
11775         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
11776         values.
11777         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
11778         FLAGS.
11779         (add_stmt_operand): Abort if the caller tried to add a killing
11780         definition for a memory tag.
11781         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
11782         unnecessary checks.
11783
11784 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
11785
11786         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
11787         from call_used_regs.  Update call_really_used_regs.
11788         (CALL_REALLY_USED_REGISTERS): Define.
11789         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
11790         Replace call_used_regs with call_really_used_regs.
11791         (calc_live_regs, sh_media_register_for_return): Likewise.
11792         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
11793         * sh.md (return_media): Likewise.
11794
11795 2004-08-18  Andrew Pinski  <apinski@apple.com>
11796
11797         * config/darwin.c (machopic_legitimize_pic_address): Only set
11798         MEM_READONLY_P in the non TARGET_TOC case.
11799
11800 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
11801
11802         * rtl.def (NIL): Delete.
11803         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
11804         Tighten the syntax a little.
11805
11806         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
11807         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
11808         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
11809         * config/i386/predicates.md, config/m32r/m32r.h
11810         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
11811         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
11812         * config/sparc/sparc.h, doc/tm.texi:
11813         Replace all occurrences of NIL with UNKNOWN.
11814
11815 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
11816
11817         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
11818         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
11819         sequence inline.  Move drop_through_label code into this
11820         block, being the only place it is used.  Adjust comments.
11821
11822 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
11823
11824         * config/rs6000/altivec.md: Add new patterns for calls to
11825         save_world/rest_world functions.
11826
11827         * config/rs6000/rs6000-protos.h: (save_world_operation,
11828         restore_world_operation) new declarations.
11829
11830         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
11831         field added.
11832         (rs6000_stack_info): Set world_save_p field.
11833         (save_world_operation): New function.
11834         (restore_world_operation): New function.
11835         (compute_save_world_info): New function.
11836         (rs6000_stack_info): Call compute_save_world_info.
11837         (rs6000_emit_prologue): Check for world_save_p and generate
11838         pattern to call save_world for saving all non-volatile and
11839         special registers.
11840         (rs6000_emit_epilogue): Check for world_save_p and generate
11841         pattern to call rest_world to restore saved registers.
11842
11843         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
11844         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
11845         (rs6000_reg_names): New entries added for save_world_operation and
11846         restore_world_operation.
11847
11848 2004-08-18  Caroline Tice  <ctice@apple.com>
11849
11850         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
11851         "-freorder-blocks-and-partition" to the flags used in second
11852         stage of profiledbootstrap.
11853         * bb-reorder.c (push_to_next_round_p): Add new variable,
11854         next_round_is_last; set and use variable to make sure, when
11855         partitioning, that the last trace construction round consists
11856         of all (and only) cold basic blocks.
11857         (rotate_loop): Don't copy blocks that end in a section
11858         crossing jump.
11859         (copy_bb): Correctly initialize "partition" of duplicated bb.
11860         (add_unlikely_executed_notes): Add a comment.
11861         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
11862         to make sure, if function contains hot blocks, that the
11863         successors of ENTRY_BLOCK_PTR are hot; also, only look for
11864         crossing edges if the architecture supports named sections.
11865         (mark_bb_for_unlikely_executed_section): Modify to always
11866         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
11867         the basic block note insn.
11868         (fix_crossing_unconditional_branches): Remove extra space.
11869         (fix_edges_for_rarely_executed_code): Modify to only do
11870         partitioning work if the architecture supports named sections.
11871         (reorder_basic_blocks): Modify to only add
11872         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
11873         supports named sections.
11874         * c-common.c (handle_section_attribute): Initialize new global
11875         variable, user_defined_section_attribute, to true if user has
11876         specified one.
11877         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
11878         forward edges that cross section boundaries.
11879         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
11880         partitioning information if the architecture supports named
11881         sections.
11882         * cfgrtl.c (target.h): Add statement to include this.
11883         (rtl_split_block): Make sure newly created bb gets correct
11884         partition.
11885         (try_redirect_by_replacing_jump): Make sure redirection isn't
11886         attempting to cross section boundaries.
11887         (force_nonfallthru_and_redirect): Only do partition fix up if
11888         architecture supports named sections.
11889         (rtl_split_edge): Make sure newly created bb ends up in
11890         correct partition.
11891         (commit_one_edge_insertion): Remove code that incorrectly
11892         updated basic block partition; Make sure partition fix up only
11893         happens if architecture supports named sections and it's not
11894         already done.
11895         (rtl_verify_flow_info_1): Fix if-condition on test/error
11896         condition that fallthru edges are not allowed to cross section
11897         boundaries.
11898         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
11899         * final.c (final_scan_insn): Remove redundant test from if-statement;
11900         change calls to text_section into calls to function_section; add code
11901         to only to partitioning fix up if architecture supports named
11902         sections.
11903         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
11904         partition.
11905         (if_convert): Add targetm.have_named_sections to test.
11906         * output.h (unlikely_section_label): Extern declaration for new global
11907         variable.
11908         (unlikely_text_section_name): Likewise.
11909         * opts.c (decode_options): If both partitioning and DWARF debugging
11910         are turned on, issue a warning that this doesn't work, and change
11911         partitiong to basic block reordering (without hot/cold partitions).
11912         * passes.c (rest_of_handle_final): Re-set new global variable,
11913         user_defined_section_attribute, to false.
11914         (rest_of_compilation): Change options for calling partitioning
11915         function: Don't call if the user defined the section attribute, and
11916         don't call if DECL_ONE_ONLY is true for the current function.
11917         * predict.c (choose_function_section): Return immediately if we
11918         are doing hot/cold partitioning (i.e. let the basic block partitioning
11919         determine where the function belongs).
11920         * reg-stack.c (emit_swap_insn): Add condition to step over
11921         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
11922         * toplev.c (user_defined_section_attribute): New global variable.
11923         * toplev.h (user_defined_section_attribute): Extern declaration
11924         for new global variable.
11925         * varasm.c (unlikely_section_label): New global variable.
11926         (unlikely_text_section_name): New global variable.
11927         (unlikely_text_section): Add code to initialize
11928         unlikely_text_section_name if necessary; modify to use
11929         unlikely_text_section_name and unlikely_section_label; also to use
11930         named_section properly.
11931         (in_unlikely_text_section):  Modify to work correctly with
11932         named_section and to use unlikely_text_section_name.
11933         (named_section):  Add code to work properly with cold section.
11934         (function_section): Clean up if-statement.
11935         * config/darwin.c (darwin_asm_named_section): Return to original
11936         code, removing use of SECTION_FORMAT_STRING.
11937         * config/arm/pe.h (switch_to_section):  Add case for
11938         in_unlikely_executed_text to switch statement.
11939         * config/i386/cygming.h (switch_to_section): Likewise.
11940         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
11941         (SECTION_FORMAT_STRING): Likewise.
11942         * config/mcore/mcore.h (switch_to_section): Likewise.
11943         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
11944         (SECTION_FORMAT_STRING): Remove.
11945
11946 2004-08-18  Roger Sayle  <roger@eyesopen.com>
11947
11948         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
11949         -ffixed-reg safe, by preserving the meanings of zero and one.
11950         (CALL_USED_REGISTERS): Likewise.
11951         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
11952
11953 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11954
11955         * config/sh/sh.c (split_branches): Check the result of
11956         next_active_insn.
11957         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
11958         Call rtl_register_cfg_hooks.
11959
11960 2004-08-18  Richard Henderson  <rth@redhat.com>
11961
11962         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
11963         * alias.c (true_dependence): Update to match new semantics.
11964         (canon_true_dependence, write_dependence_p): Likewise.
11965         (anti_dependence, output_dependence): Update write_dependence_p args.
11966         (unchanging_anti_dependence): Remove.
11967         * calls.c (purge_mem_unchanging_flag): Remove.
11968         (fixup_tail_calls): Don't call it.
11969         (expand_call): Don't add unchanging memory to function usage.
11970         * expr.c (emit_block_move_via_libcall): Likewise.
11971         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
11972         (get_subtarget): Don't use RTX_UNCHANGING_P.
11973         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
11974         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
11975         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
11976         * cse.c (insert): Don't use RTX_UNCHANGING_P.
11977         (cse_insn, canon_hash): Use MEM_READONLY_P.
11978         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
11979         instead of RTX_UNCHANGING_P.
11980         * explow.c (maybe_set_unchanging): Remove.
11981         * expr.h (maybe_set_unchanging): Remove.
11982         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
11983         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
11984         (assign_parm_setup_reg, expand_function_start): Likewise.
11985         * integrate.c (copy_rtx_and_substitute): Likewise.
11986         * ra-rewrite.c (emit_colors): Likewise.
11987         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
11988         (fixup_match_1): Likewise.
11989         * reload1.c (reload, alter_reg): Likewise.
11990         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
11991         not RTX_UNCHANGING_P.
11992         (equiv_init_varies_p): Likewise.
11993         * loop-invariant.c (check_maybe_invariant): Likewise.
11994         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
11995         * loop.c (note_addr_stored): Likewise.
11996         (prescan_loop): Likewise. Don't check function usage for clobbered
11997         unchanging memory.
11998         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
11999         not RTX_UNCHANGING_P.
12000         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
12001         * varasm.c (force_const_mem): Likewise.
12002         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
12003         * web.c (entry_register): Likewise.
12004         * tree-gimple.h (get_base_address): Move decl ...
12005         * tree.h: ... here.
12006         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
12007
12008         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
12009         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
12010         (alpha_set_memflags): Update to match.
12011
12012         * config/darwin.c (machopic_indirect_data_reference): Set
12013         MEM_READONLY_P instead of RTX_UNCHANGING_P.
12014         (machopic_indirect_call_target): Likewise.
12015         (machopic_legitimize_pic_address): Likewise.
12016         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
12017         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
12018         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
12019         * config/frv/frv.md (symGOT2reg): Likewise.
12020         * config/i386/i386.c (legitimize_pic_address,
12021         legitimize_tls_address, ix86_split_to_parts): Likewise.
12022         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
12023         * config/ia64/ia64.md (load_fptr): Likewise.
12024         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
12025         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
12026         * config/mcore/mcore.c (block_move_sequence): Likewise.
12027         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
12028         * config/pa/pa.c (legitimize_pic_address): Likewise.
12029         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
12030         (rs6000_emit_move): Likewise.
12031         * config/s390/s390.c (legitimize_pic_address): Likewise.
12032         (legitimize_tls_address): Likewise.
12033         * config/s390/s390.md (casesi): Likewise.
12034         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
12035         * config/sh/sh.md (symGOT2reg): Likewise.
12036         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
12037         * config/v850/v850.md (casesi): Likewise.
12038
12039         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
12040         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
12041         * config/mips/mips.c (mips_restore_gp): Likewise.
12042         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
12043         * config/sh/sh.c (sh_reorg): Likewise.
12044
12045 2004-08-18  Richard Henderson  <rth@redhat.com>
12046
12047         * tree.h (struct tree_decl): Add gimple_formal_temp.
12048         (DECL_GIMPLE_FORMAL_TEMP_P): New.
12049         * gimplify.c (pop_gimplify_context): Clear it.
12050         (lookup_tmp_var): Set it, if is_formal.
12051         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
12052         Use is_gimple_val for VECTOR.  Simplify return value.
12053         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
12054         (gimplify_expr): Likewise.
12055         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
12056         is_gimple_tmp_rhs for clarity.  Update all callers.
12057         (is_gimple_reg_rhs): Simplify logic.
12058         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
12059         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
12060         (is_gimple_formal_tmp_reg): Similarly.
12061         * tree-gimple.h: Update decls.
12062         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
12063         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
12064         * tree-ssa-live.c (var_union, type_var_init): Likewise.
12065
12066 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
12067
12068         * c4x.c (legitimize_operands): Remove calls to
12069         preserve_subexpressions_p.
12070
12071 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
12072
12073         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
12074         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
12075
12076 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
12077
12078         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
12079         Objective-C++ extensions.
12080         * gengtype.c (get_file_basename): Match entire subdirectory name
12081         ('cp', 'objc', 'objcp') rather than just its suffix.
12082         (get_base_file_bitmap): Allow for files to belong to more than one
12083         language.
12084         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
12085         used by more than one front-end.
12086
12087 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
12088
12089         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
12090         avoid use of preserve_subexpressions_p.
12091
12092 2004-08-17  Richard Henderson  <rth@redhat.com>
12093
12094         PR 17051
12095         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
12096
12097 2004-08-17  DJ Delorie  <dj@redhat.com>
12098
12099         * doc/extend.texi: Document new xstormy16 attribute.
12100
12101         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
12102         (xstormy16_splittable_below100_or_register): New.
12103         (combine_bnp): New.
12104         (xstormy16_reorg): New.
12105         (TARGET_MACHINE_DEPENDENT_REORG): Define.
12106
12107         * config/stormy16/stormy16.md (movqi_internal): Make name public.
12108         (movhi_internal): Likewise.
12109         (cbhranchhi): Likewise.
12110         (cbhranchhi_neg): Likewise.
12111         (andhi3): Only allow splittable below100 operands.
12112         (iorhi3): Likewise.
12113         (peephole2): New and/zero_extend->and peephole.
12114         (peephole2): New load/ior/save->set1 peephole.
12115         (peephole2): New load/and/save->clr1 peephole.
12116         (bclrx, bclrx2, bclr7, bclr15): New.
12117         (bsetx, bsetx2, bset7, bset15): New.
12118
12119         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
12120         liberal about acceptable 'B' masks.
12121
12122         * config/stormy16/stormy16-protos.h
12123         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
12124         xstormy16_below100_operand, xstormy16_below100_or_register,
12125         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
12126         (PREDICATE_CODES): Add new predicates.
12127
12128         * config/stormy16/stormy16.c
12129         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
12130         xstormy16_below100_operand, xstormy16_below100_or_register,
12131         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
12132         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
12133         (xstormy16_legitimate_address_p): Allow below100 symbols.
12134         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
12135         (xstormy16_expand_move): Leave below100 operands as-is.
12136         (xstormy16_encode_section_info): Encode below100 symbols.
12137         (xstormy16_strip_name_encoding): New.
12138         (xstormy16_print_operand): Print 'b' as shift mask.
12139         (xstormy16_attribute_table): Add below100 attributes.
12140         (xstormy16_handle_below100_attribute): New.
12141
12142         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
12143         (XSTORMY16_SECTION_FUNCTION): New.
12144         (EXTRA_SECTION_FUNCTIONS): Define using the above.
12145         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
12146         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
12147         (ASM_OUTPUT_LABELREF): Define.
12148
12149         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
12150         (movhi_internal): Add below100 support.
12151         (andhi3): Add below100 support.
12152         (iorhi3): Add below100 support.
12153         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
12154
12155 2004-08-17  James E Wilson  <wilson@specifixinc.com>
12156
12157         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
12158         of VOIDmode for comparison code mode.
12159         * config/mips/mips.md: For conditional move patterns, use mode of
12160         first compare operand for comparison mode, instead of VOIDmode.
12161
12162         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
12163         normal and -ffast-math code.
12164
12165 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
12166
12167         PR c++/15871
12168         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
12169
12170 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
12171
12172         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
12173
12174 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
12175
12176         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
12177         for non Darwin targets.
12178         (*call_value_nonlocal_darwin64): Likewise.
12179
12180 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
12181
12182         * config/rs6000/rs6000.c (rs6000_function_value): Check for
12183         altivec mode for altivec return register.
12184
12185 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
12186
12187         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
12188         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
12189         * config/rs6000/rs6000.md: Include darwin.md.
12190         (builtin_setjmp_receiver): Add DImode case.
12191         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
12192         Darwin bits.
12193
12194 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
12195
12196         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
12197         trees.
12198         * tree-vectorizer.h: New File: Same.
12199         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
12200         * common.opt (ftree-vectorize): New flag to enable vectorization.
12201         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
12202         vectorization pass.
12203         * tree-data-ref.h (init_data_ref): Additional argument.
12204         (array_base_name_differ_p): Moved to tree-data-ref.c.
12205         * tree-data-ref.c (array_base_name_differ_p): Revised.
12206         (initialize_data_dependence_relation): Call array_base_name_differ_p
12207         with an extra argument.
12208         (analyze_all_data_dependences): Same.
12209         (init_data_ref): Additional argument is_read to set DR_IS_READ.
12210         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
12211         file.
12212         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
12213         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
12214         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
12215         vectorization pass.
12216         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
12217         (tree_ssa_loop_done): Call scev_finalize.
12218         (tree_vectorize): Define the new vectorization pass.
12219         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
12220         size of the vector they support (until support for multiple vector
12221         sizes is added to the vectorizer).
12222         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
12223         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
12224         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
12225         documentation.
12226
12227 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
12228
12229         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
12230         usage.
12231         (generate_protocol_list, handle_impent): Likewise.
12232
12233 2004-08-17  Roger Sayle  <roger@eyesopen.com>
12234
12235         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
12236         ensure that call_used_regs is a superset of both fixed_regs and
12237         call_really_used_regs.
12238
12239 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
12240
12241         PR target/17019
12242         * arm.md (addsi3_cbranch_scratch): Correct case labels.
12243
12244 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
12245
12246         PR middle-end/17036
12247         * fold-const.c (fold): Check for integer operand when
12248         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
12249         Pinski  <pinskia@physics.uc.edu>.
12250
12251 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
12252
12253         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
12254         No need to check if in a cross configuration.
12255         * configure: Regenerate.
12256
12257         * calls.c (precompute_register_parameters):
12258         Inline preserve_subexpressions_p ().
12259         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
12260         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
12261         Likewise.
12262         * expr.c (get_subtarget): Likewise.
12263         * rtl.h (preserve_subexpressions_p): Remove.
12264         * stmt.c (preserve_subexpressions_p): Remove.
12265
12266         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
12267         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
12268         Abort on gimplified cases.
12269
12270 2004-08-16  James E Wilson  <wilson@specifixinc.com>
12271
12272         * tree.h (VECTOR_FLOAT_TYPE_P): New.
12273         (FLOAT_TYPE_P): Use it.
12274         * c-typeck.c (build_binary_op): After convert calls, check for
12275         check for ERROR_MARK operands.
12276
12277 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
12278
12279         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
12280         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
12281         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
12282         (genobjs static pattern rule): Remove %.c dependency.
12283         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
12284         Rename rules; delete commands; fix dependencies.
12285         (mostlyclean): Do not delete temporary source copies.
12286         * configure.ac: Delete all references to BUILD_PREFIX and
12287         BUILD_PREFIX_1.
12288         * configure: Regenerate.
12289
12290         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
12291         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
12292         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
12293         with #ifndef GENERATOR_FILE so that nothing from those headers
12294         is used.
12295
12296         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
12297
12298 2004-08-16  Adam Nemet  <anemet@lnxw.com>
12299
12300         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
12301
12302 2004-08-16  Andrew Pinski  <apinski@apple.com>
12303
12304         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
12305         extraneous semicolon.
12306
12307 2004-08-16  Devang Patel  <dpatel@apple.com>
12308
12309         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
12310         * print-tree.c (print_node): Print DECL_PRESERVE_P.
12311         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
12312         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
12313         * target.h (struct gcc_target): New member, mark_decl_preserved.
12314         * hooks.c (hook_void_charptr): Rename to ...
12315         (hook_void_constcharptr): ... new name.
12316         * hooks.h (hook_void_charptr): Rename to ..
12317         (hook_void_constcharptr): ... new name.
12318         * tree.h (DECL_PRESERVE_P): New #define.
12319         (struct tree_decl): New member, preserve_flag.
12320         * varasm.c (assemble_start_function): Mark decl preserved.
12321         (assemble_variable): Same.
12322         * darwin.c (darwin_mark_decl_preserved): New function.
12323         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
12324         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
12325         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
12326
12327 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
12328
12329         * c-decl.c (grokdeclarator): Allow for function definition where
12330         innermost declarator has attributes.
12331
12332 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
12333
12334         * except.c (get_exception_filter, build_post_landing_pads,
12335         dw2_build_landing_pads): Use target-specific mode for 'filter'.
12336         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
12337         * target.h (eh_return_filter_mode): New field added.
12338         * targhooks.c (default_eh_return_filter_mode): Defined.
12339         * targhooks.h (default_eh_return_filter_mode): Declared.
12340         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
12341
12342 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
12343
12344         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
12345         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
12346         * configure: Regenerate.
12347
12348 2004-08-16  Stan Shebs  <shebs@apple.com>
12349
12350         Basic support for 64-bit Darwin.
12351         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
12352         (machopic_legitimize_pic_address): Similarly, plus use Pmode
12353         instead of SImode.
12354         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
12355         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
12356         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
12357         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
12358         (PROCESSOR_DEFAULT64): Define.
12359         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
12360         Darwin.
12361         * config/rs6000/rs6000.md: Include darwin.md.
12362         (builtin_setjmp_receiver): Add DImode case.
12363         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
12364         Darwin.
12365         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
12366         (rs6000_emit_move): Add DImode case to Darwin bits.
12367         (machopic_output_stub): Use .quad if 64-bit.
12368         * invoke.texi: Document -m32 and -m64.
12369
12370 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
12371
12372         * doc/extend.texi (AltiVec builtins): Document additional differences
12373         from the Motorola AltiVec PIM.
12374
12375 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
12376
12377         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
12378         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
12379         (struct tree_common): Update public_flag documentation.
12380
12381 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
12382
12383         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
12384         Check for artificial variables, not is_gimple_tmp_var.
12385         * tree-ssa-live.c (var_union): Likewise.
12386
12387 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
12388
12389         * calls.c (load_register_parameters): Remove spurious FIXME token.
12390
12391 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
12392
12393         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
12394         (c-lang.o): Depend on c-objc-common.h.
12395         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
12396         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
12397         * c-lang.c: Include c-objc-common.h.
12398         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
12399         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
12400         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
12401         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
12402         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
12403         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
12404         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
12405         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
12406         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
12407         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
12408         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
12409         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
12410         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
12411         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
12412         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
12413         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
12414         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
12415         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
12416         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
12417         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
12418         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
12419         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
12420         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
12421         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
12422         Move to c-objc-common.h.
12423         * c-objc-common.c: Include c-objc-common.h.
12424         * c-objc-common.h: New file.
12425
12426 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
12427             Andrew Pinski  <pinskia@physics.uc.edu>
12428
12429         PR target/14931
12430         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
12431         style.
12432
12433 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
12434
12435         * tree.h (build_int_cst): New.
12436         (build_int_2): Remove.
12437         * tree.c (build_int_2): Remove.
12438         (build_int_cst): New.
12439         (make_vector_type, build_common_tree_nodes,
12440         build_common_tree_nodes_2): Use build_int_cst.
12441         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
12442         expand_builtin_strpbrk, expand_builtin_fputs,
12443         build_string_literal, expand_builtin_printf,
12444         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
12445         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
12446         fold_builtin_isdigit, simplify_builtin_strstr,
12447         simplify_builtin_strpbrk, fold_builtin_fputs,
12448         simplify_builtin_sprintf): Use build_int_cst.
12449         * c-common.c (start_fname_decls, fix_string_type,
12450         c_common_nodes_and_builtins, c_init_attributes,
12451         shorten_compare): Likewise.
12452         * c-decl.c (complete_array_type,
12453         check_bitfield_type_and_width): Likewise.
12454         * c-lex.c (interpret_integer, lex_charconst): Likewise.
12455         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
12456         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12457         * c-typeck.c (really_start_incremental_init, push_init_level,
12458         set_nonincremental_init_from_string): Likewise.
12459         * calls.c (load_register_parameters): Likewise.
12460         * convert.c (convert_to_pointer): Likewise.
12461         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
12462         build_fn_info_type, build_ctr_info_value, build_gcov_info):
12463         Likewise.
12464         * except.c (init_eh, assign_filter_values, assign_filter_values):
12465         Likewise.
12466         * expmed.c (store_fixed_bit_field, extract_bit_field,
12467         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
12468         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
12469         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
12470         * expr.c (convert_move, emit_group_load, emit_group_store,
12471         expand_assignment, store_constructor, store_field,
12472         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
12473         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
12474         invert_truthvalue, optimize_bit_field_compare,
12475         decode_field_reference, all_ones_mask_p, constant_boolean_node,
12476         fold_div_compare, fold, fold_read_from_constant_string,
12477         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
12478         * function.c (assign_parm_setup_block): Likewise.
12479         * stmt.c (shift_return_value, expand_end_case_type,
12480         estimate_case_costs): Likewise.
12481         * stor-layout.c (layout_type, initialize_sizetypes,
12482         set_min_and_max_values_for_integral_type): Likewise.
12483         * tree-chrec.c (chrec_fold_multiply_poly_poly,
12484         reset_evolution_in_loop): Likewise.
12485         * tree-chrec.h (build_polynomial_chrec): Likewise.
12486         * tree-complex.c (build_replicated_const): Likewise.
12487         * tree-eh.c (honor_protect_cleanup_actions,
12488         lower_try_finally_onedest, lower_try_finally_copy,
12489         lower_try_finally_switch): Likewise.
12490         * tree-mudflap.c (mf_build_string, mx_register_decls,
12491         mudflap_register_call, mudflap_enqueue_constant): Likewise.
12492         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
12493         * tree-pretty-print.c (dump_generic_node): Likewise.
12494         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
12495         Likewise.
12496         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
12497         * tree-ssa-loop-niter.c (number_of_iterations_cond,
12498         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
12499         Likewise.
12500
12501         * config/alpha/alpha.c (alpha_initialize_trampoline,
12502         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
12503         * config/arm/arm.c (arm_get_cookie_size): Likewise.
12504         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
12505         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
12506         * config/i860/i860.c (i860_va_start): Likewise.
12507         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
12508         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
12509         mips_gimplify_va_arg_expr): Likewise.
12510         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
12511         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
12512         add_compiler_branch_island): Likewise.
12513         * config/s390/s390.c (s390_va_start): Likewise.
12514         * config/sh/sh.c (sh_va_start): Likewise.
12515         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
12516         Likewise.
12517         * config/xtensa/xtensa.c (xtensa_va_start,
12518         xtensa_gimplify_va_arg_expr): Likewise.
12519
12520         * objc/objc-act.c (build_objc_string_object,
12521         build_objc_symtab_template, init_def_list, init_objc_symtab,
12522         init_module_descriptor, generate_static_references,
12523         build_selector_translation_table, get_proto_encoding,
12524         build_typed_selector_reference, build_selector_reference,
12525         build_next_objc_exception_stuff,
12526         build_method_prototype_list_template, generate_descriptor_table,
12527         generate_protocols, build_protocol_initializer,
12528         build_ivar_list_template, build_method_list_template,
12529         build_ivar_list_initializer, generate_ivars_list,
12530         generate_dispatch_table, generate_protocol_list,
12531         build_category_initializer, build_shared_structure_initializer,
12532         generate_shared_structures, handle_impent,
12533         generate_objc_image_info): Use build_int_cst.
12534
12535 2004-08-15  Ben Elliston  <bje@au.ibm.com>
12536
12537         * vec.h: Comment improvements.
12538
12539 2004-08-14  Roger Sayle  <roger@eyesopen.com>
12540
12541         * c-common.c (shorten_compare, pointer_int_sum,
12542         c_common_truthvalue_conversion, boolean_increment): Replace calls
12543         to build with calls to buildN.
12544         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
12545         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
12546         gimplify_switch_stmt): Likewise.
12547         * c-typeck.c (default_function_array_conversion,
12548         build_component_ref, build_array_ref, build_function_call,
12549         pointer_diff, build_unary_op, build_conditional_expr,
12550         build_compound_expr, build_modify_expr, c_finish_goto_label,
12551         c_finish_goto_ptr, c_finish_return, c_finish_loop,
12552         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
12553         build_binary_op): Likewise.
12554
12555 2004-08-15  Steven Bosscher  <stevenb@suse.de>
12556
12557         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
12558
12559 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12560
12561         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
12562         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
12563         * fixinc/fixincl.x: Rebuilt.
12564
12565 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
12566
12567         * config/mips/mips-protos.h (mips_symbolic_constant_p)
12568         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
12569         (mips_small_data_pattern_p): Declare.
12570         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
12571         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
12572         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
12573         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
12574         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
12575         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
12576         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
12577         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
12578         (pc_or_label_operand, call_insn_operand, move_operand)
12579         (consttable_operand, symbolic_operand, general_symbolic_operand)
12580         (global_got_operand, local_got_operand, stack_operand)
12581         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
12582         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
12583         (mips_small_data_pattern_p): Replace previous small_data_pattern
12584         predicate.  Turn into a bool () (rtx) function.
12585         * config/mips/predicates.md: New file.
12586         * config/mips/mips.md: Include it.  Use the target-independent
12587         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
12588         trap_comparison_operator and equality_op to equality_operator.
12589         Replace uses of small_int with the equivalent const_arith_operand.
12590         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
12591         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
12592         to fcc_reload_operand.
12593         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
12594
12595 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12596
12597         PR libstdc++/17005 partial fix.
12598         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
12599         except when generating ANSI/C89 code.
12600
12601 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
12602
12603         * c-common.c (shorten_compare): Use force_fit_type directly.
12604
12605 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
12606             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
12607             Dave Korn  <dk@artimi.com>
12608
12609         * doc/install.texi (Building): Avoid duplicate reference to GNU
12610         make requirement.
12611         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
12612
12613 2004-08-14  Richard Henderson  <rth@redhat.com>
12614
12615         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
12616         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
12617
12618 2004-08-13  Richard Henderson  <rth@redhat.com>
12619
12620         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
12621         for constant_call_address_operand.
12622         (call_value_pop_1, call_value_1): Likewise.
12623         (sibcall_value_1, call_value_1_rex64): Likewise.
12624
12625 2004-08-13  James E Wilson  <wilson@specifixinc.com>
12626
12627         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
12628         Correct mode from SFmode to DFmode.
12629
12630 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
12631
12632         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
12633         __cstring_object and __image_info sections with the no_dead_strip
12634         attribute.
12635
12636 2004-08-13  Roger Sayle  <roger@eyesopen.com>
12637             David Billinghurst  <David.Billinghurst@riotinto.com>
12638
12639         PR libgfortran/15930
12640         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
12641         * fixinc/fixincl.x: Regenerate.
12642         * fixinc/tests/base/internal/math_core.h: New file.
12643
12644 2004-08-13  Richard Henderson  <rth@redhat.com>
12645
12646         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
12647         (dbxout_function_end): Remove ifdefs for it.
12648         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
12649
12650 2004-08-13  Richard Henderson  <rth@redhat.com>
12651
12652         * Makefile.in (insn-preds.o): Depend on TREE_H.
12653         * genpreds.c (write_insn_preds_c): Include tree.h.
12654         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
12655         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
12656         const48_operand, and_operand, or_operand, mode_width_operand,
12657         mode_mask_operand, mul8_operand, const0_operand,
12658         hard_fp_register_operand, hard_int_register_operand,
12659         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
12660         samegp_function_operand, direct_call_operand, small_symbolic_operand,
12661         global_symbolic_operand, call_operand, symbolic_operand,
12662         dtp16_symbolic_operand, dtp32_symbolic_operand,
12663         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
12664         gottp_symbolic_operand, alpha_comparison_operator,
12665         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
12666         signed_comparison_operator, alpha_fp_comparison_operator,
12667         divmod_operator, fix_operator, aligned_memory_operand,
12668         unaligned_memory_operand, reg_or_unaligned_mem_operand,
12669         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
12670         reg_no_subreg_operand, addition_operation): Move to predicates.md.
12671         (reg_or_const_int_operand): Remove.  Replace all users with
12672         reg_or_cint_operand.
12673         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
12674         (resolve_reload_operand): Split out of aligned_memory_operand.
12675         * config/alpha/alpha-protos.h: Update for exports.
12676         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
12677         * config/alpha/alpha.md: Include predicates.md.
12678         * config/alpha/predicates.md: New file.
12679
12680 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
12681
12682         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
12683         fields with a pointer to the instruction definition.
12684         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
12685         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
12686         (write_attr_case, write_const_num_delay_slots): Update accordingly.
12687         (write_attr_case, write_const_num_delay_slots): Write the name of
12688         an insn next to its case statement.
12689         * genoutput.c (data): Add a filename field.
12690         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
12691         (output_insn_data): Print the location of each insn definition.
12692         * genrecog.c (write_action): Print the name of an insn above
12693         the statement that returns its code.
12694
12695 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
12696
12697         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
12698         * config/libgloss.h: Likewise.
12699         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
12700         * c4x/c4x-modes.def: Likewise.
12701         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
12702         (c4x_rptb_nop_p): Likewise.
12703         (c4x_rptb_valid_p): Likewise.
12704         (c4x_rptb_insert): Likewise.
12705         (c4x_address_conflict): Likewise.
12706         * config/c4x/c4x.md: Likewise.
12707         * config/frv/frv.md: Likewise.
12708         * config/i386/athlon.md: Likewise.
12709         * config/i386/i386.md: Likewise.
12710         * config/i386/predicates.md: Likewise.
12711         * config/ia64/ia64.c: Likewise.
12712         * config/ia64/itanium1.md: Likewise.
12713         * config/ia64/itanium2.md: Likewise.
12714         * config/iq2000/iq2000.md: Likewise.
12715         * config/mcore/mcore.c: Likewise.
12716         * config/mips/mips.c: Likewise.
12717         * config/mips/r3900.h: Likewise.
12718         * config/mips/sb1.md: Likewise.
12719         * config/pa/milli64.S: Likewise.
12720         * config/pa/pa.c: Likewise.
12721         * config/pa/pa.h: Likewise.
12722         * config/rs6000/8540.md: Likewise.
12723
12724 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
12725
12726         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
12727
12728 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
12729
12730         * sh.md (cbranch define_delay) Use cond_delay_slot for
12731         non-anulled condition too.
12732
12733 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
12734
12735         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
12736         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
12737         any_parallel_operand, lmw_operation, stmw_operation,
12738         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
12739         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
12740         any_parallel_operand.
12741         (return_and_restore_fpregs_{si,di}): Same.
12742
12743 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
12744
12745         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
12746         if pred->singleton != PARALLEL, issue a warning and pretend it was.
12747         Also issue a warning for any predicate we don't know about.
12748
12749 2004-08-12  Richard Henderson  <rth@redhat.com>
12750
12751         * config/i386/i386.c (internal_label_prefix): Export.
12752         (internal_label_prefix_len, struct ix86_address,
12753         ix86_decompose_address, maybe_get_pool_constant,
12754         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
12755         memory_address_length): Export.
12756         (any_fp_register_operand, fp_register_operand,
12757         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
12758         x86_64_general_operand, x86_64_szext_general_operand,
12759         x86_64_nonmemory_operand, x86_64_movabs_operand,
12760         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
12761         x86_64_zext_immediate_operand, const_int_1_31_operand,
12762         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
12763         tls_symbolic_operand, global_dynamic_symbolic_operand,
12764         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
12765         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
12766         constant_call_address_operand, const0_operand, const1_operand,
12767         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
12768         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
12769         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
12770         general_no_elim_operand, nonmemory_no_elim_operand,
12771         index_register_operand, q_regs_operand, flags_reg_operand,
12772         non_q_regs_operand, zero_extended_scalar_load_operand,
12773         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
12774         ix86_comparison_operator, ix86_carry_flag_operator,
12775         fcmov_comparison_operator, promotable_binary_operator,
12776         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
12777         mult_operator, div_operator, arith_or_logical_operator,
12778         memory_displacement_operand, cmpsi_operand, long_memory_operand,
12779         aligned_operand): Move to predicates.md as define_predicates.
12780         (tls_symbolic_operand_1): Remove.
12781         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
12782         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
12783         (legitimize_address): Merge tls_symbolic_operand contents.
12784         (ix86_expand_move): Likewise.
12785         * config/i386/i386-protos.h: Update for exports.
12786         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
12787         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
12788         * config/i386/i386.md: Include predicates.md.
12789         * config/i386/predicates.md: New file.
12790
12791 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
12792
12793         PR c++/16924
12794         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
12795         SYMBOL_REF_DECL.
12796         (i386_pe_mark_dllimport): Likewise.
12797         (i386_pe_encode_section_info): Likewise, when overriding
12798         dllimport attribute.
12799
12800 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
12801
12802         * configure.ac: When testing for flex, nm, ar, and bison, check
12803         that they will actually be built.
12804         * configure: Regenerate.
12805
12806 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
12807
12808         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
12809         (MOVE_MAX_PIECES): Define.
12810
12811 2004-08-12  Devang patel  <dpatel@apple.com>
12812
12813         * dbxout.c (dbxout_begin_prologue): New function.
12814         (dbx_debug_hooks): Use new begin prologue hook.
12815         (dbxout_function_end): Emit N_ENSYM.
12816         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
12817
12818 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
12819
12820         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
12821         argument is float*.
12822
12823         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
12824         for vec_dss.
12825
12826         * doc/extend.texi (AltiVec builtins): Fix description for recent
12827         changes.  Update operation list to match current support.
12828
12829 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
12830
12831         * config/s390/s390.c (struct s390_frame_layout): New struct as element
12832         of struct machine_function.
12833         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
12834         changed all uses.
12835         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
12836         changed all uses.
12837         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
12838         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
12839         (s390_frame_area, s390_register_info): New functions.
12840         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
12841         for base register.
12842         (s390_return_addr_rtx, s390_return_address_offset)
12843         (s390_va_start, s390_gimplify_va_arg)
12844         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
12845         layouts.
12846         (s390_frame_info): Functionality partly moved to s390_register_info.
12847         Made adaptions for new stack layout.
12848         (save_gprs, restore_gprs): Changed meaning of second parameter and
12849         adapted all callers.
12850
12851         * config/s390/s390.h (s390_backchain_string): New global variable.
12852         (MASK_BACKCHAIN): Removed definition.
12853         (TARGET_BACKCHAIN): Changed check.
12854         (TARGET_KERNEL_BACKCHAIN): New macro.
12855         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
12856         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
12857         "kernel-backchain".
12858         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
12859
12860         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
12861         as condition.  Adjusted for new stack layout.
12862
12863         * doc/invoke.texi: Added documentation for new option
12864         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
12865         "-mno-backchain".
12866
12867 2004-08-12  Paul Brook  <paul@codesourcery.com>
12868
12869         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
12870         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
12871
12872 2004-08-12  David Daney  <ddaney@avtrex.com>
12873
12874         * java/gcj.texi:  Add subsection on signal usage.
12875
12876 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
12877
12878         * expr.c (move_by_pieces): Set alignment for move to minimum of
12879         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
12880         alignment, but not less than the original alignment.
12881         (move_by_pieces_ninsns): Same.
12882         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
12883         (store_by_pieces_1): Same.
12884
12885 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
12886
12887         PR tree-optimization/16867
12888         * tree.c (is_global_var): New function.
12889         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
12890         Call is_global_var.
12891         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
12892         Update all users.
12893         (is_global_var): Declare.
12894         * tree-dfa.c (dump_variable): Display global and addressable
12895         attributes.
12896         (add_referenced_var): Clarify documentation when marking
12897         variables call-clobbered.
12898         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
12899         instead of needs_to_live_in_memory.
12900         (mark_call_clobbered): If the variable is a tag, mark it
12901         DECL_EXTERNAL.
12902         * tree-gimple.c (is_gimple_reg): Don't check for
12903         TREE_ADDRESSABLE.
12904         (is_gimple_non_addressable): Likewise.
12905         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
12906         needs to be marked call-clobbered.
12907         (setup_pointers_and_addressables): Call is_global_var instead
12908         of needs_to_live_in_memory.
12909         * tree-ssa-dce.c (need_to_preserve_store): Remove.
12910         Update all users with is_global_var.
12911         (mark_stmt_if_obviously_necessary): Fix processing of aliased
12912         stores.  Don't check the virtual definitions.  Rather, check
12913         whether the store is going into global memory.
12914         (find_obviously_necessary_stmts): Get the symbol from the PHI
12915         result.
12916         * tree-ssa-operands.c (get_call_expr_operands): Do not add
12917         clobbering may-defs if the call does not have side effects.
12918
12919 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
12920
12921         PR c++/16276
12922         * output.h (default_function_rodata_section,
12923         default_no_function_rodata_section): New prototypes.
12924         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
12925         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
12926         (TARGET_ASM_OUT): Add it.
12927         * varasm.c (default_function_rodata_section,
12928         default_no_function_rodata_section): New functions.
12929         * final.c (final_scan_insn): Call
12930         targetm.asm_out.function_rodata_section instead of
12931         readonly_data_section.
12932         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
12933         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12934         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12935         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12936         Likewise.
12937         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12938         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12939         Likewise.
12940         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12941         Likewise.
12942         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12943         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12944         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
12945
12946 2004-08-12  Paul Brook  <paul@codesourcery.com>
12947
12948         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
12949         frame info.
12950         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
12951         DWARF2_UNWIND_INFO.
12952
12953 2004-08-12  Ben Elliston  <bje@au.ibm.com>
12954
12955         PR target/16286
12956         * config/rs6000/altivec.h: Change vector to __vector throughout.
12957         (Except for the `vector' macro itself).
12958
12959 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
12960
12961         * genpreds.c: Add capability to generate predicate bodies as
12962         well as function prototypes.  Write function prototypes for
12963         the generic predicates too.
12964         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
12965         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
12966         (write_match_code, write_predicate_expr, write_one_predicate_function)
12967         (parse_option): New functions.
12968         (output_predicate_decls): Delete.
12969         (main): Read the machine description, process DEFINE_PREDICATE or
12970         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
12971         as appropriate.
12972
12973         * genrecog.c (struct decision_test): Replace index with
12974         struct pred_data pointer.
12975         (next_index): Remove, unused.
12976         (pred_table, preds, special_mode_pred_table): Delete.
12977         (compute_predicate_codes, process_define_predicate): New functions.
12978         (validate_pattern, add_to_sequence, write_switch): Update for
12979         new data structures.
12980         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
12981         Check both error_count and have_error.
12982
12983         * gensupport.c (in_fname, first_predicate): New globals.
12984         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
12985         (predicate_table, last_predicate, old_pred_table)
12986         (old_special_pred_table): New statics.
12987         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
12988         (add_predicate, init_predicate_table): New functions.
12989         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
12990         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
12991         it or max_include_len.  Call init_predicate_table.
12992         (read_rtx): Run the predicate queue after the attribute queue
12993         but before all the others.
12994         * gensupport.h (in_fname, struct pred_data, first_predicate)
12995         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
12996         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
12997         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
12998         * dummy-conditions.c: Don't include bconfig.h, system.h,
12999         coretypes.h, tm.h, or system.h.  Do include stddef.h.
13000         Duplicate declaration of struct c_test from gensupport.h.
13001
13002         * Makefile.in (OBJS-common): Add insn-preds.o.
13003         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
13004         (insn-preds.c, insn-preds.o): New rules.
13005         (s-preds): Also generate insn-preds.c.
13006         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
13007         Update dependencies.
13008         (print-rtl.o, print-rtl1.o): Correct dependencies.
13009
13010         * recog.h: Delete prototypes of predicate functions.
13011
13012         * doc/md.texi (Predicates): New section with complete
13013         documentation of operand/operator predicates.  Remove some
13014         incomplete documentation of predicates from other places.
13015         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
13016         PREDICATE_CODES; indicate that both are deprecated in favor
13017         of define_predicate/define_special_predicate.
13018
13019         * config/ia64/ia64.c: All predicate function definitions moved
13020         to ia64.md, except
13021         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
13022         (ia64_expand_load_address, ia64_expand_move):
13023         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
13024
13025         * config/ia64/ia64.md: All predicates now defined here.
13026         (symbolic_operand): Is now a special predicate.
13027
13028         * config/ia64/ia64.h: Declare ia64_section_threshold.
13029         (PREDICATE_CODES): Delete.
13030
13031 2004-08-12  Richard Henderson  <rth@redhat.com>
13032
13033         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
13034         * c-semantics.c (add_stmt): Set it.
13035         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
13036         before instantiating a variable sized type.
13037
13038 2004-08-12  Richard Henderson  <rth@redhat.com>
13039
13040         * stor-layout.c (round_up, round_down): Move ...
13041         * fold-const.c (round_up, round_down): ... here.  Use
13042         multiple_of_p to avoid any arithmetic at all.
13043
13044 2004-08-12  Richard Henderson  <rth@redhat.com>
13045
13046         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
13047         (gimplify_init_ctor_preeval_1): New.
13048         (gimplify_init_ctor_preeval): New.
13049         (gimplify_init_ctor_eval): New.
13050         (gimplify_init_constructor): Use them.  Always gimplify the LHS
13051         object first.
13052
13053 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
13054
13055         (This patch is part of merge of objc-improvements-branch
13056         into mainline.)
13057
13058         * doc/frontends.texi: Mention Objective-C++ in addition to
13059         Objective-C.
13060         * doc/install.texi: Add 'obj-c++' to list of configurable
13061         languages.
13062         * doc/invoke.texi: Rename Objective-C option headings to
13063         indicate they also apply to Objective-C++.  List file
13064         extensions for Objective-C++ sources.  Mention that
13065         ObjC and ObjC++ compilations may also use C and C++ options,
13066         respectively.  Point users to doc/standards.texi for
13067         further info on ObjC and ObjC++.
13068         * doc/sourcebuild.texi: Mention the objcp/ directory and
13069         the Objective-C++ sources it contains.
13070         * doc/standards.texi: Update link to Apple ObjC site;
13071         add link to gcc readings.html WWW doc.
13072
13073 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
13074
13075         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
13076         and 2004-07-14 changes.
13077
13078 2004-08-12  Paul Brook  <paul@codesourcery.com>
13079
13080         * doc/invoke.texi: Fix typo.
13081
13082 2004-08-11 Devang Patel  <dpatel@apple.com>
13083
13084         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
13085         and -no_dead_strip_inits_and_terms.
13086         (LINK_SPEC): Same.
13087         * doc/invoke.texi (Darwin Options): Document -dead_strip and
13088         -no_dead_strip_inits_and_terms.
13089
13090 2004-08-11  Paul Brook  <paul@codesourcery.com>
13091
13092         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
13093         (arm_load_pic_register): ... to this.
13094         * config/arm/arm.c (arm_finalize_pic): Rename ...
13095         (arm_load_pic_register): ... to this.  Always output insns at the
13096         current location.  Load via low reg in thumb mode.
13097         (arm_expand_prologue): Call arm_load_pic_register.
13098         (thumb_expand_prologue): Ditto.
13099         * config/arm/arm.h (FINALIZE_PIC): Remove.
13100         * config/arm/arm.md (builtin_setjmp_receiver): Call
13101         arm_load_pic_register.
13102
13103 2004-08-11  Paul Brook  <paul@codesourcery.com>
13104
13105         * arm.c (thumb_force_lr_save): Add prototype.
13106         (thumb_compute_save_reg_mask): New function.
13107         (thumb_find_work_register): New function.
13108         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
13109         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
13110         Don't clobber r3 when removing pretend args.
13111         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
13112         (thumb_output_function_prologue): Use new functions.
13113         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
13114         * arm.h (THUMB_REG_PUSHED_P): Remove.
13115
13116 2004-08-11  James E Wilson  <wilson@specifixinc.com>
13117
13118         PR rtl-optimization/16490
13119         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
13120         global_live_at_end for new basic block if already set for other blocks.
13121
13122 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
13123
13124         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
13125
13126         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
13127         (mfcr rlwinm rlwinm patterns): Set length to 12.
13128
13129 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
13130
13131         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
13132         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
13133         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
13134         (start_ssa_stmt_operands): Delete.
13135         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
13136         struct stmt_operands_d.
13137         (build_ssa_operands): New extern entry point.
13138         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
13139         building code, replace with create_ssa_artficial_load_stmt().
13140         * tree-ssa-operands.c (struct voperands_d): Delete.
13141         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
13142         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
13143         (free_uses, free_defs, free_vuses, free_v_may_defs,
13144         free_v_must_defs): Remove dealloc parameter.
13145         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
13146         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
13147         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
13148         vector comparisons, ssa_name reuse, and allocations here.
13149         (verify_start_operands): Delete.
13150         (finalize_ssa_stmt_operands): Set new operands by calling finalize
13151         routines.
13152         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
13153         (append_def, append_usei): Simplify to simple accumulation.
13154         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
13155         duplicates and simple accumulation.
13156         (free_ssa_operands): Free vectors in a stmt_operand structure.
13157         (build_ssa_operands): New. Create a new stmt_operand structure from
13158         a stmt and an old set of stmt_operands.
13159         (get_stmt_operands): Simplify and call build_ssa_operands.
13160         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
13161         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
13162         add_call_read_ops): Don't pass prev_vops around anymore.
13163         (note_addressable): Return if no stmt annotation.
13164         (copy_virtual_operands): Access v_may_def operands through a struct.
13165         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
13166         hash tables without treating the stmt as a real stmt.
13167         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
13168         v_may_def def and use through a struct instead of 2 array elements.
13169         (struct v_may_def_optype_d): Use v_may_def_operand_type.
13170         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
13171
13172 2004-08-11  Nick Clifton  <nickc@redhat.com>
13173
13174         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
13175         this funciton's behaviour.  Return true when the current function
13176         has a section attribute and -mlong-calls is in effect.
13177         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
13178         short-call marker when -mlong-calls is in effect and the function
13179         has a section attribute.
13180
13181 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
13182
13183         * stmt.c (expand_return): If asked to return the RESULT_DECL,
13184         just call expand_value_return on result_rtl.
13185
13186 2004-08-10  Richard Henderson  <rth@redhat.com>
13187
13188         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
13189         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
13190         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
13191         (add_location_or_const_value_attribute): ... not here.  Use
13192         loc_descriptor_from_tree if possible.
13193         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
13194         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
13195         values specially.
13196         (loc_descriptor_from_tree): New.  Update callers.
13197         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
13198         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
13199         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
13200         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
13201         and BUILT_IN_STACK_RESTORE.
13202         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
13203         * stmt.c (expand_stack_alloc): Remove.
13204         * tree-mudflap.c (mx_register_decls): Don't look for
13205         BUILT_IN_STACK_ALLOC.
13206         * tree-nested.c (convert_local_reference): Likewise.
13207         * tree.h (DECL_VALUE_EXPR): New.
13208
13209 2004-08-10  Richard Henderson  <rth@redhat.com>
13210
13211         * stor-layout.c (round_up): Check for 0/1 before dividing.
13212         (round_down): Likewise.
13213
13214         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
13215
13216 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
13217
13218         * config.gcc (arm*-*-eabi*): New target.
13219         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
13220         (TARGET_LIB_INT_CMP_BIASED): Likewise.
13221         * expmed.c (expand_divmod): Try a two-valued divmod function as a
13222         last resort.
13223         * gthr.h: Remove bogus tokens at end of #pragma.
13224         * optabs.c (expand_twoval_binop_libfunc): New function.
13225         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
13226         (prepare_float_lib_cmp): Try reversing the condition.
13227         (debug_optab_libfuncs): New function.
13228         * optabs.h (expand_twoval_binop_libfunc): Declare.
13229         * config/arm/arm.c (arm_init_libfuncs): New function.
13230         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
13231         (TARGET_INIT_LIBFUNCS): Define it.
13232         * config/arm/arm.h (TARGET_BPABI): New macro.
13233         * config/arm/arm-protos.h
13234         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
13235         * config/arm/bpabi.S: New file.
13236         * config/arm/bpabi.c: Likewise.
13237         * config/arm/bpabi.h: Likewise.
13238         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
13239         (__aeabi_drsub): Likewise.
13240         (__aeabi_dsub): Likewise.
13241         (__aeabi_dadd): Likewise.
13242         (__aeabi_ui2d): Likewise.
13243         (__aeabi_i2d): Likewise.
13244         (__aeabi_f2d): Likewise.
13245         (__aeabi_dmul): Likewise.
13246         (__aeabi_ddiv): Likewise.
13247         (__aeabi_cdrcmple): Likewise.
13248         (__aeabi_cdcmpeq): Likewise.
13249         (__aeabi_cdcmple): Likewise.
13250         (__aeabi_dcmpeq): Likewise.
13251         (__aeabi_dcmplt): Likewise.
13252         (__aeabi_dcmple): Likewise.
13253         (__aeabi_dcmpge): Likewise.
13254         (__aeabi_dcmpgt): Likewise.
13255         (__aeabi_dcmpun): Likewise.
13256         (__aeabi_d2iz): Likewise.
13257         (__aeabi_d2uiz): Likewise.
13258         (__aeabi_d2f): Likewise.
13259         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
13260         (__aeabi_frsub): Likewise.
13261         (__aeabi_fsub): Likewise.
13262         (__aeabi_fadd): Likewise.
13263         (__aeabi_ui2f): Likewise.
13264         (__aeabi_i2f): Likewise.
13265         (__aeabi_fmul): Likewise.
13266         (__aeabi_fdiv): Likewise.
13267         (__aeabi_cfrcmple): Likewise.
13268         (__aeabi_cfcmpeq): Likewise.
13269         (__aeabi_cfcmple): Likewise.
13270         (__aeabi_fcmpeq): Likewise.
13271         (__aeabi_fcmplt): Likewise.
13272         (__aeabi_fcmple): Likewise.
13273         (__aeabi_fcmpge): Likewise.
13274         (__aeabi_fcmpgt): Likewise.
13275         (__aeabi_fcmpun): Likewise.
13276         (__aeabi_f2iz): Likewise.
13277         (__aeabi_f2uiz): Likewise.
13278         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
13279         (__aeabi_uidivmod): New function or alias.
13280         (__aeabi_idivmod): Likewise.
13281         (__aeabi_idiv0): Likewise.
13282         (__aeabi_ldiv0): Likewise.
13283         (__aeabi_llsr): Likewise.
13284         (__aeabi_lasr): Likewise.
13285         (__aeabi_llsl): Likewise.
13286         (bpabi.S): Include it.
13287         * config/arm/libgcc-bpabi.ver: New file.
13288         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
13289         (LINK_SPEC): Remove.
13290         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
13291         __aeabi_ulcmp.
13292         * config/arm/t-bpabi: New file.
13293         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
13294         (TARGET_LIB_INT_CMP_BIASED): Likewise.
13295
13296 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
13297
13298         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
13299         * config/rs6000/rs6000.md (clrmemsi): New pattern.
13300         * config/rs6000/rs6000.c (expand_block_clear): New function.
13301         (expand_block_move): Convert alignment to bits.  Use SImode and
13302         HImode for unaligned addresses if not STRICT_ALIGNMENT.
13303
13304 2004-08-10  Caroline Tice  <ctice@apple.com>
13305
13306         * varasm.c (unlikely_section_label): New global variable.
13307         (unlikely_text_section_name): New global variable.
13308         (text_section):  Remove alignment statement.
13309         (unlikely_text_section): Remove alignment statement; use
13310         unlikely_section_label rather than hard-coded string.
13311         (assemble_start_function): Initialize unlikely_section_label and
13312         unlikely_text_section_name;  make sure cold section is properly
13313         aligned at start of function; output unlikely_section_label if
13314         appropriate.
13315
13316 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
13317
13318         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
13319         * config/s390/s390.c (s390_canonicalize_comparison): New function.
13320         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
13321         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
13322         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
13323         ("*tmqi_mem"): Remove SUBREG from pattern.
13324         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
13325         ("*andsi3_cconly"): Likewise.
13326
13327 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
13328
13329         PR target/16909
13330         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
13331
13332 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
13333
13334         * doc/sourcebuild.texi (compat testing): Document available test
13335         framework commands.  Use the preferred spelling of DejaGnu.
13336
13337 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
13338
13339         * lambda.h: Add matrix type, and prototypes for remainder of
13340         matrix and vector functions.
13341         (lambda_vector_mult_const): New function.
13342         (lambda_vector_negate): Ditto.
13343         (lambda_vector_add): Ditto.
13344         (lambda_vector_add_mc): Ditto.
13345         (lambda_vector_copy): Ditto.
13346         (lambda_vector_zerop): Ditto.
13347         (lambda_vector_equal): Ditto.
13348         (lambda_vector_min_nz): Ditto.
13349         (lambda_vector_first_nz): Ditto.
13350         (lambda_vector_matrix_mult): Ditto.
13351         * lambda-mat.c: New file.
13352         * Makefile.in (lambda-mat.o): New.
13353
13354 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
13355
13356         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
13357         after linking stmt into the program.
13358         (bsi_remove): Don't call modify_stmt.
13359         * tree-complex.c (update_complex_assignment,
13360         expand_complex_comparison): Call modify_stmt after changing the stmt.
13361         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
13362         removing the stmt.
13363         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
13364         the stmt, and only if needed.
13365         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
13366         expression.
13367         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
13368         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
13369         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
13370         (eliminate_redundant_computations): Don't pass an annotation. Call
13371         modify_stmt rather than setting the annotation directly.
13372         (record_equivalences_from_stmt): Remove unused local 'j'.
13373         (cprop_operand): Take a stmt rather than an annotation as a parameter.
13374         Call modify_stmt.
13375         (cprop_into_stmt): Pass stmt rather than annotation.
13376         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
13377         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
13378         modify_stmt.
13379         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
13380
13381 2004-08-10  Jason Merrill  <jason@redhat.com>
13382
13383         PR middle-end/16948
13384         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
13385         the RESULT_DECL.
13386
13387 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
13388
13389         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
13390         hash function.
13391
13392 2004-08-10  Roger Sayle  <roger@eyesopen.com>
13393
13394         * config/mips/mips.md: New reciprocal square root patterns that
13395         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
13396
13397 2004-08-10  Paul Brook  <paul@codesourcery.com>
13398
13399         * config/arm/arm-protos.h (arm_set_return_address,
13400         thumb_set_return_address): Add prototypes.
13401         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
13402         * config/arm/arm.c (arm_compute_func_type,
13403         use_return_insn, arm_compute_save_reg0_reg12_mask,
13404         arm_compute_save_reg_mask, arm_output_function_prologue,
13405         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
13406         current_function_calls_eh_return.
13407         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
13408         old eh code.
13409         (arm_set_return_address, thumb_set_return_address): New functions.
13410         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
13411         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
13412         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
13413         (epilogue): Use the stackadj register.
13414         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
13415
13416 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
13417
13418         PR target/3144
13419         * expr.c (move_by_pieces_ninsns): Add max_size argument.
13420         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
13421         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
13422         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
13423         but using MOVE_RATIO.
13424         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
13425         (can_store_by_pieces): Change max_size type to unsigned int.
13426         (store_by_pieces_1): Likewise.  Pass max_size to
13427         move_by_pieces_ninsns.
13428         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
13429         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
13430         to move_by_pieces_ninsns.
13431         (STORE_BY_PIECES_P): Define.
13432         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
13433         to move_by_pieces_ninsns.
13434         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
13435
13436         * config/i386/i386.h (CLEAR_RATIO): Define.
13437
13438 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13439
13440         * expr.c (expand_expr_real_1): Add back code that was not dead.
13441
13442 2004-08-09  Andrew Pinski  <apinski@apple.com>
13443
13444         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
13445         which is found to be compatible before returning the aliasing set.
13446
13447 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
13448
13449         * ggc-zone.c (struct alloc_zone): Add statistics counters.
13450         (always_collect): New flag.
13451         (ggc_alloc_zone_1): Update statistics support.  Don't include
13452         overhead in allocated counter.
13453         (sweep_pages): Update allocated counter for large pages.  Don'y
13454         include overhead.
13455         (ggc_collect_1): Always collect.
13456         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
13457         whether to collect.
13458         (SCALE, LABEL): New macros.
13459         (ggc_print_statistics): Add statistics support.
13460
13461 2004-08-09  Roger Sayle  <roger@eyesopen.com>
13462
13463         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
13464         (init_expmed): Fix potential overrun problem with "all.reg".
13465         (expand_sdiv2_pow2): Add an alternate implementation for signed
13466         division, if the target provides a suitable conditional move insn.
13467
13468 2004-08-09  Paul Brook  <paul@codesourcery.com>
13469         Richard Henderson  <rth@redhat.com>
13470
13471         * unwind-dw2.c (uw_install_context_1): Update target saved stack
13472         pointer.
13473
13474 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
13475
13476         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
13477         Check DATA limit only if there's no AS limit.  Ignore insanely
13478         low DATA limits.
13479         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
13480         but take care that the AS limit isn't overrun.
13481         * doc/invoke.texi: Update documentation of min-heapsize parameter.
13482
13483 2004-08-09  Jeff Law  <law@redhat.com>
13484
13485         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
13486         (tree-ssa-threadupdate.o): Add dependencies.
13487         * tree-ssa-threadupdate.c: New file.
13488         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
13489         (rewrite_vars_out_of_ssa): Remove prototype.
13490         (cleanup_tree_cfg): Returns a bool.
13491         * tree.h (thread_through_all_blocks): Prototype.
13492         * tree-outof-ssa.c  (SSANORM_*): Move into here.
13493         (remove_ssa_form): Now static.
13494         (rewrite_vars_out_of_ssa): Kill.
13495         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
13496         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
13497         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
13498         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
13499         anything was changed.
13500         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
13501         from the PHI's annotation rather than the edge associated with
13502         the new argument.
13503         * tree-ssa-dom.c (redirection_edges): Kill.
13504         (redirect_edges_and_update_ssa_graph): Kill.
13505         (tree_ssa_dominator_optimize): Do not reset forwardable flag
13506         for blocks anymore.  Do not initialize redirection_edges.
13507         Call thread_through_all_blocks.  Simplify code for cleanup
13508         of the CFG and iterating.  No longer call cleanup_tree_cfg
13509         outside the iteration loop.
13510         (thread_across_edge): No longer mess with forwardable blocks.
13511
13512 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
13513
13514         * explow.c (memory_address): Use memory_address_p.
13515         * recog.c (general_operand): Likewise.
13516         * regrename.c: No need to define REG_OK_STRICT.
13517
13518 2004-08-09  Steven Bosscher  <stevenb@suse.de>
13519
13520         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
13521         New timers.
13522         * gcse.c: Include timevar.h.
13523         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
13524         and global_copy_prop_count.
13525         (local_const_prop_count, local_copy_prop_count): New static globals.
13526         (gcse_main): Set the right timevar for each pass.
13527         (cprop_jump): Increment global_const_prop_count when a constant is
13528         propagated.  Add "GLOBAL" to dump output.
13529         (cprop_insn): Increment global_const_prop_count when a constant is
13530         propagated, or global_copy_prop_count when a copy is propagated.
13531         (do_local_cprop): Likewise for local_const_prop_count and
13532         local_copy_prop_count.
13533         (one_cprop_pass): Initialize const/cprop counters to zero.
13534         Print out results of local and global const/cprop separately.
13535         (bypass_block): Break over-length line.
13536         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
13537         for bb-reorder.o and tracer.o.
13538
13539 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13540
13541         * Makefile.in (GTFILES): Remove stmt.c
13542         (stmt.o): Do not depend on gt-stmt.h.
13543         * emit-rtl.c (emit_line_note): Do not call
13544         set_file_and_line_for_stmt.
13545         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
13546         do everything.
13547         * function.c (free_after_parsing): Do not free STMT field.
13548         (allocate_struct_function): Do not call init_stmt_for_function.
13549         (assign_stack_temp_for_type): Do not accept values of keep
13550         other than 0 or 1.
13551         (init_temp_slots): Do not initialize removed variables.
13552         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
13553         and X_VAR_TEMP_SLOT_LEVEL fields.
13554         * rtl.h (set_file_and_line_for_stmt): Remove.
13555         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
13556         struct stmt_status, cond_stack, case_stack, nesting_stack,
13557         nesting_depth, emit_locus, set_file_and_line_for_stmt,
13558         same_case_target_p, init_stmt_for_function, emit_nop,
13559         expand_start_cond, expand_start_elseif, expand_start_else,
13560         expand_elseif, expand_end_cond): Remove.
13561         (preserve_subexpressions_p): Remove references to CFUN->STMT.
13562         (expand_start_case, expand_end_case_type): Remove, merge into...
13563         (expand_case): ... this one, including other bits from
13564         expand_expr_real_1.  Inline same_case_target_p.  Turn members
13565         of CASE_STACK into local variables.
13566         (emit_case_bit_tests): Inline same_case_target_p.
13567         (add_case_node): Add HEAD argument, return new head of the list,
13568         do not handle default label here.
13569         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
13570         expand_start_elseif, current_nesting_level, expand_start_case,
13571         expand_end_case_type, expand_end_case, add_case_node,
13572         init_stmt_for_function, expand_elseif): Remove prototypes.
13573         (expand_case): Add prototype.
13574
13575 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13576
13577         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
13578
13579 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13580
13581         * expr.c (var_rtx): Remove.
13582         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
13583         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
13584         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
13585         Abort.
13586         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
13587         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
13588         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
13589
13590 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
13591         Ayal Zaks <zaks@il.ibm.com>
13592
13593         * common.opt (freschedule-modulo-scheduled-loops): New flag.
13594         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
13595         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
13596         when -freschedule-modulo-scheduled-loops flag is not specified.
13597         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
13598         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
13599         More accurate placing of insn in row of partial schedule.
13600         (ps_insn_find_column): New function.
13601         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
13602         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
13603         (schedule_region): Use sched_is_disabled_for_current_region_p.
13604         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
13605
13606 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
13607
13608         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
13609         change.
13610
13611 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
13612
13613         * config/i386/i386.c (ix86_expand_clrmem): Properly call
13614         gen_strset for 64bit target.
13615
13616 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
13617
13618         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
13619
13620 2004-08-07  Jason Merrill  <jason@redhat.com>
13621
13622         Make return in memory explicit.
13623         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
13624         (assign_parm_find_data_types): Remove code for old front end
13625         invisible reference handling.
13626         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
13627         (expand_function_end): Likewise.
13628         * gimplify.c (gimplify_return_expr): Handle a dereferenced
13629         RESULT_DECL.
13630         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
13631         (declare_return_variable): Handle DECL_BY_REFERENCE.
13632         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
13633         (cp_genericize_r): Use convert_from_reference.
13634         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
13635         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
13636
13637         * c-common.c (c_warn_unused_result): Check TREE_USED before
13638         warning about a CALL_EXPR with an unused value.
13639
13640 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
13641
13642         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
13643         to the compiler.  Use -fshort-wchar by default.
13644
13645 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
13646
13647         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
13648         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
13649         threshhold.
13650         * doc/invoke.texi (param): Document min-crossjump-insns.
13651
13652 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
13653
13654         PR c/13282
13655         * c.opt (Wmissing-field-initializers): New option.
13656         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
13657         * c-typeck.c (pop_init_level): Guard the missing field warning with
13658         warn_missing_field_initializers rather than extra_warnings.
13659         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
13660         some of the explanation from...
13661         (-Wextra): ...here.  Say that the missing field warning can be
13662         seperately controlled by -Wmissing-field-initializers.
13663
13664 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
13665
13666         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
13667         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
13668         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
13669         * tree.def (ENTRY_VALUE_EXPR): Remove.
13670
13671 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
13672
13673         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
13674         the places where it is actually needed.  Don't use repz; stosb
13675         for -Os with sufficiently small constant sizes.
13676         For sufficiently small repz; stos{l,q} repeat counts use a sequence
13677         of stos{l,q} instructions instead.
13678
13679 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13680
13681         PR tree-optimization/16807
13682         * loop-iv.c (dump_iv_info): Dump invariants correctly.
13683         (iv_subreg, iv_extend): Express value of invariant purely in
13684         base field.
13685
13686 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
13687
13688         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
13689         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
13690
13691 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
13692
13693         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
13694         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
13695         pre_dec_operand.
13696         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
13697         pattern until reload is finished to allow better code generation
13698         and split them completely into separate instrunctions.
13699         (*andsi3_split): New pattern.
13700
13701 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
13702
13703         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
13704         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
13705         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
13706         * tree.h (handle_dll_attribute): Declare.  Test
13707         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
13708         * c-common.h (c_determine_visibility): Declare.
13709         * c-common.c (c_determine_visibility): New function.
13710         * c-decl.c (finish_decl): Use it.
13711         (finish_function): Likewise.
13712         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
13713         zero, by default.  Use #if, not #ifdef, to test it.
13714         * config/arm/arm.c (arm_attribute_table): Use
13715         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
13716         #if.
13717         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
13718         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
13719         to 1.
13720         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
13721         * config/i386/i386.c (ix86_attribute_table): Use
13722         handle_dll_attribute for dllimport/dllexport.  Test
13723         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
13724         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
13725         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
13726         it to 1.
13727         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
13728         with #if.
13729         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
13730         it to 1.
13731         * doc/extend.texi (dllexport): Clarify and correct documentation.
13732         (dllimport): Likewise.
13733         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
13734         handle_dll_attribute.
13735
13736 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13737
13738         * tree-ssa-loop-manip.c: New file.
13739         * Makefile.in (tree-ssa-loop-manip.o): Add.
13740         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
13741         Declare.
13742         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
13743         form.
13744         (tree_ssa_loop_done): Verify loop closed ssa form.
13745         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
13746
13747 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13748
13749         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
13750         pa_asm_output_aligned_local): New functions.
13751         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
13752         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
13753         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
13754         pa_asm_output_aligned_common.
13755         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
13756         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
13757         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
13758         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
13759         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
13760         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
13761         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
13762         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
13763         common data.
13764
13765 2004-08-05  Andrew Pinski  <apinski@apple.com>
13766
13767         * objc/objc-act.c (build_objc_string_object): Mark the address
13768         expression as constant.
13769
13770 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
13771
13772         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
13773         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
13774         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
13775
13776 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
13777
13778         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
13779         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
13780         out, and associated obsolete comments.
13781
13782 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
13783
13784         * tree.h (force_fit_type): Return a tree, take three flags.
13785         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
13786         TREE_CONSTANT_OVERFLOW here.
13787         (int_const_binop, const_binop): Adjust.
13788         (size_int_type): Do sign extension here.
13789         (fold_convert_const, optimize_bit_field_compare,
13790         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
13791         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
13792         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
13793
13794 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13795
13796         PR tree-optimization/16864
13797         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
13798         for ssa names without default_def.
13799
13800 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
13801
13802         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
13803         frame pointer, restore eax with an ebp-relative address.
13804
13805 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
13806
13807         PR 14516
13808         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
13809         * c-common.h (make_rtl_for_local_static): Delete.
13810         * c-decl.c (shadow_tag_warned): Clean up comment.
13811         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
13812         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
13813         * c-semantics.c (make_rtl_for_local_static): Delete.
13814         * expr.c (init_block_move_fn): Use set_user_assembler_name.
13815         (init_block_clear_fn): Likewise.
13816         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
13817         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
13818         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
13819         * tree.h (make_decl_rtl): Remove second parameter.
13820         (set_user_assembler_name): New.
13821         * varasm.c (set_user_assembler_name): New.
13822         (make_decl_rtl): Remove second parameter.  Update callers in many
13823         files.
13824
13825 2004-08-05  Adam Nemet  <anemet@lnxw.com>
13826
13827         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
13828         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
13829         to LynxOS 4.0.
13830         * gthr-lynx.h: New file.
13831         * config/lynx-ng.h: Remove file.
13832         * config/lynx.h: Update to LynxOS 4.0.
13833         * config/t-lynx: New file.
13834         * config/i386/lynx-ng.h: Remove file.
13835         * config/i386/lynx.h: Update to LynxOS 4.0.
13836         * config/rs6000/lynxbase.h: Remove file.
13837         * config/rs6000/lynx.h: Update to LynxOS 4.0.
13838         * config/rs6000/t-lynx: New file.
13839         * doc/install.texi (Options specification): Remove reference to
13840         LynxOS from systems where --with-gnu-as makes a difference.
13841
13842 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
13843
13844         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
13845         __UINTMAX_TYPE__.
13846         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
13847         __INTMAX_MAX__.
13848         (c_cpp_builtins): Call it.
13849         * doc/cpp.texi: Update.
13850
13851 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
13852
13853         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
13854         cost.
13855
13856 2004-08-04  Jan Hubicka  <jh@suse.cz>
13857
13858         * basic-block.h (profile_staus): New global variable.
13859         * cfg.c (profile_status): Declare.
13860         (check_bb_profile): Break out from ....; use profile_status
13861         (dump_flow_info): ... here.
13862         * cfgbuild.c (find_basic_blocks): Set profile_status.
13863         * cfgexpand.c (tree_expand_cfg): Likewise.
13864         * predict.c (estimate_probability): Likewise.
13865         * profile.c (branch_prob): Likewise.
13866         * tree-cfg.c (build_tree_cfg): Likewise.
13867         (dump_function_to_file): Use check_bb_profile.
13868         * tree-pretty-print (dump_bb_header): Likewise.
13869         * tree-profile.c (do_tree_profiling): Cleanup.
13870
13871 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
13872
13873         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
13874         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
13875         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
13876         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
13877         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
13878         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
13879         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
13880         (ggc-none.o, errors.o): Move rule to generators section;
13881         correct dependencies.
13882         (min-insn-modes.o): Move rule to generators section; remove
13883         unnecessary explicit command; correct dependencies.
13884         (print-rtl.o, print-rtl1.o): Correct dependencies.
13885         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
13886         (mostlyclean): Update.
13887
13888         * errors.c: Include bconfig.h not config.h.  Correct comment.
13889         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
13890         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
13891         * print-rtl.c: Don't include tm_p.h.
13892
13893         * rtl.h: Move forward-decl of struct function down where it's
13894         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
13895         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
13896
13897 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13898             Jeff Law  <law@redhat.com>
13899
13900         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
13901         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
13902         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
13903         manipulate the duplicated ssa names.
13904         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
13905         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
13906         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
13907         New functions.
13908         (release_ssa_name): Do not release ssa names that may have multiple
13909         definitions.
13910         * tree.h (release_ssa_name_force, mark_for_rewrite,
13911         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
13912         marked_ssa_names): Declare.
13913         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
13914         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
13915         Update call to rewrite_ssa_into_ssa.
13916
13917 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
13918
13919         * defaults.h (TARGET_DECLSPEC): New macro.
13920         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
13921         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
13922         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
13923         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
13924         __declspec support.
13925         (TARGET_DECLSPEC): Define.
13926         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
13927         __declspec support.
13928         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
13929         __declspec support.
13930         (TARGET_DECLSPEC): Define.
13931         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
13932         __declspec support.
13933         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
13934         support.
13935         * doc/tm.texi (TARGET_DECLSPEC): Document.
13936
13937         * doc/extend.texi: Fix typo in comment.
13938
13939 2004-08-04  Paul Brook  <paul@codesourcery.com>
13940
13941         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
13942         (TARGET_CXX): Use it.
13943         * target.h (struct gcc_target): Add cdtor_returns_this.
13944         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
13945         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
13946         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
13947
13948 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
13949
13950         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
13951         low/high pair. Do range checking directly.
13952         (interpret_integer): Adjust.
13953
13954 2004-08-04  Nick Clifton  <nickc@redhat.com>
13955
13956         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
13957         GCC ABI.
13958         * doc/invoke.texi: Document this new switch and also the -mrenesas
13959         switch.
13960
13961 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
13962
13963         * cfglayout.c (insn_locators_initialize): Update the current
13964         location before initializing a location.
13965
13966 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13967
13968         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
13969         (dbxout_function_end): Return after emitting the "Lscope" symbol
13970         under the same conditions that this function formerly wasn't called.
13971         Add explanatory comments.
13972
13973         PR 14860
13974         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
13975         on the new decl.
13976
13977         PR 13956
13978         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
13979         functions, broken out of dbxout_block.
13980         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
13981         stabs too, if it contains symbols.  Use the begin_label and
13982         the Lscope label (emitted by dbxout_function_end) for the
13983         range of this block.
13984
13985 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
13986
13987         * doc/install.texi: Update autoconf version requirements.
13988
13989 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13990
13991         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
13992         * recog.c (general_operand, immediate_operand, nonmemory_operand)
13993         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
13994         * regclass.c (record_reg_classes): Likewise.
13995         * reload.c (find_reloads): Likewise.
13996         * reload1.c (reload): Likewise.
13997
13998 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13999
14000         * gensupport.c (init_md_reader_args_cb): Renamed from
14001         init_md_reader_args.  Add third option, callback function for
14002         parsing program-specific options.  Add diagnosis of incorrect
14003         number of input files.
14004         (init_md_reader): Fold into init_md_reader_args_cb.
14005         (init_md_reader_args): Now a thin wrapper around
14006         init_md_reader_args_cb.
14007         * gensupport.h: Update prototypes.
14008
14009         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14010         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14011         * genrecog.c: No need to diagnose lack of an input file;
14012         init_md_reader_args will handle it.
14013         * genconditions.c: Likewise, and use init_md_reader_args.
14014         * genconstants.c: Likewise, and no need to call read_md_rtx.
14015
14016 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
14017
14018         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
14019         declarations.
14020
14021 2004-08-03  Mike Stump  <mrs@apple.com>
14022
14023         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
14024         for frameworks.
14025         * doc/invoke.texi (Darwin Options): Update to reflect above.
14026
14027 2004-08-03  Roger Sayle  <roger@eyesopen.com>
14028
14029         PR middle-end/16790
14030         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
14031         truncations, not just global truncations.
14032
14033 2004-08-03  Andrew Pinski  <apinski@apple.com>
14034
14035         PR bootstrap/16865
14036         * loop-iv.c (simplify_using_assignment): Initialize lhs.
14037
14038 2004-08-03  Paul Brook  <paul@codesourcery.com>
14039
14040         * gcc/doc/install.texi: Document MPFR requirement.
14041
14042 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
14043
14044         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
14045         and mmap() explicitly instead of relying on preset autoconf cache
14046         variables.
14047         * configure: Regenerate.
14048
14049 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
14050
14051         PR target/16570
14052         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
14053         to tmake_file.
14054         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
14055         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
14056         to tmake_file.
14057
14058         * config/i386/t-gmm_malloc: New file.
14059         * config/i386/t-pmm_malloc: Likewise.
14060
14061         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
14062
14063 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
14064             Tanguy Fautrà <tfautre@pandora.be>
14065
14066         * config/i386/pmm_malloc.h: New file.
14067
14068 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
14069
14070         * config/i386/gmm_malloc.h: New file.
14071
14072 2004-08-03  Dale Johannesen  <dalej@apple.com>
14073
14074         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
14075         * c-common.c: Include opts.h.
14076         (c_common_get_alias_set): Fix check for a single input file.
14077         * toplev.c: Remove current_file_decl.
14078         * tree.h: Ditto.
14079
14080 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
14081
14082         * config.gcc (arm*-*-symbianelf*): New target.
14083         * config/arm/symbian.h: New file.
14084
14085         * gthr-gnat.c: Add visibility #pragmas.
14086         * gthr-gnat.h : Likewise.
14087         * gthr.h: Likewise.
14088         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
14089         (__ffsDI2): Likewise.
14090         (__clzSI2): Likewise.
14091         (__ctzSI2): Likewise.
14092         (__ctzDI2): Likewise.
14093         (__popcountSI2): Likewise.
14094         (__popcountDI2): Likewise.
14095         (__paritySI2): Likewise.
14096         (__parityDI2): Likewise.
14097         * libgcc2.h: Add visibility #pragmas.
14098         (__clzDI2): Add prototype.
14099         (__clzSI2): Likewise.
14100         (__ctzSI2): Likewise.
14101         (__ffsDI2): Likewise.
14102         (__ffsSI2): Likewise.
14103         (__ctzDI2): Likewise.
14104         (__popcountSI2): Likewise.
14105         (__popcountDI2): Likewise.
14106         (__paritySI2): Likewise.
14107         (__parityDI2): Likewise.
14108         * unwind-dw2-fde.h: Add visibility #pragmas.
14109         * unwind.h: Likewise.
14110
14111 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
14112             Dale Johannesen  <dalej@apple.com>
14113             Roger Sayle  <roger@eyesopen.com>
14114
14115         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
14116         constants more accurately.  Adjust costs for FMA instructions.
14117         Add cases for most logical and float operations.  Recurse into
14118         most operands.
14119
14120 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
14121
14122         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
14123
14124 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
14125
14126         * ra-build.c (conflicts_between_webs): For webs that cross a call add
14127         conflicts to regs_invalidated_by_call.
14128
14129 2004-08-03  Paul Brook  <paul@codesourcery.com>
14130
14131         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
14132
14133 2004-08-03  Jan Hubicka  <jh@suse.cz>
14134
14135         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
14136         ARRAY_REF argument.
14137
14138 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
14139
14140         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
14141         arm968es, arm10e, arm1020e, arm1022e.
14142         * invoke.texi: Update list of ARM cores.
14143         * arm-tune.md: Regenerate.
14144
14145 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
14146
14147         * arm/gentune.sh: New file.
14148         * arm/t-arm: New file.
14149         * arm/arm-tune.md: New file (autogenerated).
14150         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
14151         * arm.md (attribute tune): Delete.  Include arm-tune.md.
14152
14153 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
14154
14155         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
14156         penultimate parameter.  All callers adjusted.
14157         (struct prefix_list): Remove used_flag_ptr.
14158         (find_a_file): Do not set *pl->used_flag_ptr.
14159         (warn_B, warn_std_ptr): Remove.
14160
14161 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
14162             Mostafa Hagog <mustafa@il.ibm.com>
14163
14164         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
14165
14166 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
14167
14168         * dwarf2out.c (output_call_frame_info): Don't change data format
14169         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
14170         label.  Use 'true' not '1'.
14171         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
14172         required.
14173
14174 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14175
14176         * gdbinit.in: Reflect previous changes to rtunion_def.
14177
14178 2004-08-02  Roger Sayle  <roger@eyesopen.com>
14179
14180         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
14181         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
14182
14183 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14184
14185         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
14186         vec_p_reserve.
14187         * langhooks.h (lang_hooks::builtin_function): Rename parameter
14188         from "class" to "bt_class".
14189
14190 2004-08-02  Paul Brook  <paul@codesourcery.com>
14191
14192         PR rtl-optimization/15068
14193         * flow.c (init_propagate_block_info): Check condition is reversible.
14194
14195 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14196
14197         * gengtype.h (options::info): Change type to const char *.
14198         (enum gc_used_enum): Move out of struct type scope.
14199         * gengtype.c (create_option): Convert initializer for option::info to
14200         appropiate type.
14201         (adjust_field_type, walk_type, write_func_for_structure,
14202         write_root, write_roots): Remove pointless cast.
14203
14204 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
14205
14206         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
14207
14208 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14209
14210         * rtl.h (union rtunion_def): Have all members  start with the
14211         prefix "rt_".
14212         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
14213         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
14214         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
14215         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
14216         access.
14217         * gengtype.c (adjust_field_rtx_def): Likewise.
14218         * rtlanal.c (loc_mentioned_in_p): Likewise.
14219
14220 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
14221
14222         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
14223         Replace uses of mips/elf64.h with mips/elf.h
14224         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
14225         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
14226         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
14227         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
14228         (HANDLE_SYSV_PRAGMA): Delete.
14229         (ASM_OUTPUT_DEF): Fix formatting.
14230         * config/mips/elf64.h: Delete.
14231
14232 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
14233
14234         * config/ia64/ia64.c (got_symbolic_operand): Do require a
14235         symbol+offset operand to have its offset be zero mod 0x3fff
14236         when GOT entries are in use.  Clarify logic in SYMBOL_REF
14237         case.  Clarify comments.
14238         (ia64_expand_load_address): Split a symbol+offset load when
14239         the offset is nonzero mod 0x3fff, not 0x1fff.
14240
14241 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
14242
14243         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
14244         if trying to *store* to a non-offsettable address.
14245         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
14246         a nonoffsettable address.
14247         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
14248         Clean up.
14249         (movti_string): Don't move GPRs to a nonoffsettable address.
14250         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
14251
14252 2004-08-02  Ben Elliston  <bje@au.ibm.com>
14253
14254         PR target/16155
14255         * config/rs6000/altivec.h: Replace typeof with __typeof__.
14256
14257 2004-08-01  Richard Henderson  <rth@redhat.com>
14258
14259         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
14260         variable sized types.
14261
14262 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
14263
14264         * doc/invoke.texi: In the MIPS options section, remove the passage
14265         saying that -mexplicit-relocs is usually disabled for -mabicalls
14266         -fno-unit-at-a-time.
14267         * config/mips/mips.c (override_options): Remove the code that enforced
14268         this rule.
14269
14270 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
14271
14272         * config/mips/mips.md (cprestore): Provide two alternatives, one for
14273         an in-range offset and one for an out-of-range offset.  Wrap the latter
14274         in .set macro/.set nomacro if it's inside a .set nomacro block.
14275
14276 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
14277
14278         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
14279         (mips_restore_gp): Declare.
14280         * config/mips/mips.c (mips_add_offset): Add a scratch register
14281         argument.  Reimplement in rtl only, reusing MIPS16 logic from
14282         mips_output_mi_thunk.
14283         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
14284         to mips_add_offset.
14285         (mips_gp_save_slot): Delete.
14286         (mips_restore_gp): New function.
14287         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
14288         * config/mips/mips.md (exception_receiver): Turn into a
14289         define_insn_and_split.  Use mips_restore_gp to do the split.
14290         (call_internal, call_value_internal, call_value_multiple_internal): Use
14291         mips_restore_gp to restore $gp.
14292
14293 2004-07-31  Andrew Pinski  <apinski@apple.com>
14294
14295         PR other/16842
14296         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
14297
14298 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
14299
14300         * c-decl.c (diagnose_mismatched_decls): Give error for external
14301         redeclaration of identifier declared with no linkage, not just
14302         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
14303         error for redeclaration with no linkage.
14304
14305 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
14306             Fariborz Jahanian <fjahanian@apple.com>
14307
14308         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
14309         non-offsettable addresses even for DImode.
14310         (rs6000_split_multireg_move): Cope with non-offsettable addresses
14311         being moved into multiple GPRs.
14312
14313         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
14314         to 64.
14315         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
14316         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
14317         to 128.
14318         * config/rs6000/darwin-ldouble.c (isless): New macro.
14319         (inf): New macro.
14320         (nonfinite): New macro.
14321         (FPKINF): Delete.
14322         (_xlqadd): Completely rewrite.
14323         (_xlqmul): Correct overflow handling.
14324         (_xlqdiv): Correct overflow handling.
14325         * config/rs6000/darwin-ldouble-format: New file.
14326
14327 2004-07-30  Roger Sayle  <roger@eyesopen.com>
14328             Richard Henderson  <rth@redhat.com>
14329
14330         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
14331         9 into the equivalent lea instruction.
14332
14333 2004-07-30  Richard Henderson  <rth@redhat.com>
14334
14335         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
14336         with DECL_INITIAL if fb_lvalue.
14337         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
14338         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
14339         with <Cxxx>.
14340         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
14341
14342 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
14343
14344         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
14345         pointer escapes through a function call, assume that the
14346         callee will dereference it.
14347         (add_pointed_to_var): Assume that VALUE is always an
14348         ADDR_EXPR.
14349         (collect_points_to_info_r): Only call add_pointed_to_var if
14350         the value is an ADDR_EXPR.
14351
14352 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
14353
14354         * tree-ssa-alias.c (create_alias_map_for): Do not get the
14355         alias set of the inner type of ARRAY_TYPEs.
14356
14357 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
14358
14359         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
14360         setting a non-register to UNDEFINED right before the call to
14361         set_lattice_value.
14362
14363 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
14364
14365         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
14366
14367 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
14368
14369         * tree-ssa.c (verify_flow_sensitive_alias_info): When
14370         comparing points-to sets of different pointers, make sure the
14371         second pointer is actually referenced in the code.
14372
14373 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
14374
14375         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
14376         (got_symbolic_operand): Remove unreachable code.
14377         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
14378         setjmp_operand; add entry for tls_symbolic_operand.
14379         * config/ia64/ia64-protos.h: Remove all prototypes of
14380         predicate functions.
14381
14382 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
14383
14384         * c-common.h (lang_post_pch_load): New variable.
14385         * c-pch.c (lang_post_pch_load): Define it.
14386         (c_common_read_pch): Use it.
14387         * cgraphunit.c (record_call_1): Give the front end a chance to
14388         record additional needed entities when a variable is marked as
14389         needed.
14390         * tlink.c (recompile_files): Robustify.
14391         (scan_linker_output): If a symbol is assigned to a file,
14392         but after recompilation is not present there, issue an error
14393         message.
14394
14395 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14396
14397         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
14398         Take orig_loop argument and pass it to set_level.
14399         (schedule_sm): Pass the correct orig_loop to force_move_till.
14400
14401 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14402
14403         * cfgloop.c (update_latch_info): Update dominator of the new block.
14404         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
14405         info.
14406         * dominance.c (verify_dominators): Check that the dominance tree is
14407         connected.
14408         (recount_dominator): Ignore unreachable blocks.
14409         (iterate_fix_dominators): Cleanup old dominance information before
14410         recomputing it.
14411
14412 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
14413
14414         * tree-ssa-operands.c (get_expr_operands): Revert changes
14415         to ADDR_EXPR processing introduced by:
14416             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14417             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
14418
14419 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
14420
14421         * doc/implement-c.texi: Add C90 subclause references.  Point to
14422         preprocessor documentation instead of duplicating it.  Add points
14423         only present in C90.  Fill in documentation for all points.
14424
14425 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14426
14427         * pa.c (output_movb): Correct typo.
14428
14429 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
14430
14431         * ra.h (single_reg_in_regclass): Declare.
14432         * ra.c (single_reg_in_regclass): Define.
14433         (first_hard_reg): New.
14434         (init_ra): Initialize single_reg_in_regclass.
14435         * ra-colorize.c (ok_class): New.
14436         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
14437
14438 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
14439
14440         * gcov-io.h: Allow zero tag as EOF indicator.
14441         (gcov_is_eof): Remove.
14442         (gcov_truncate): Remove.
14443         * gcov-io.c (gcov_seek): Always SEEK_SET.
14444         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
14445         EOF tag.
14446         * coverage.c (read_counts_file): Don't use gcov_is_eof.
14447         * gcov-dump.c (dump_file): Likewise.
14448         * gcov.c (read_graph_file, read_count_file): Likewise.
14449
14450         * c-decl.c (complete_array_type): Don't gratuitously copy
14451         maxindex.  Check it always has a type.
14452
14453 2004-07-29  Steven Bosscher  <stevenb@suse.de>
14454
14455         * rtl.c (currently_expanding_to_rtl): New.
14456         * rtl.h (currently_expanding_to_rtl): Export it.
14457         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
14458
14459         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
14460         inliner hack.
14461         * config/sh/sh.c: Replace rtx_equal_function_value_matters
14462         with currently_expanding_to_rtl.
14463         * config/sh/sh.md: Likewise.
14464         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
14465
14466 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
14467
14468         Introduce sh2a support.
14469         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
14470         * config.gcc: Build multilibs for sh2a and sh2a-single by
14471         default.
14472         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
14473         default.  Split their tests out of the corresponding SH4
14474         multilibs.
14475         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
14476         multilibs for SH2a.
14477         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
14478         * config.gcc: Handle sh2a multilibs and cpu selection.
14479         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
14480         * config/sh/t-mlib-sh2a: New.
14481         * config/sh/t-mlib-sh2a-nofpu: New.
14482         * config/sh/t-mlib-sh2a-single: New.
14483         * config/sh/t-mlib-sh2a-single-only: New.
14484         2004-07-09  Nick Clifton  <nickc@redhat.com>
14485         Issue 43400
14486         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
14487         -ml and -m2a are used together.
14488         2004-03-23  DJ Delorie  <dj@redhat.com>
14489         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
14490         when we have a double-sized FPU.
14491         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
14492         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
14493         is set.
14494         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
14495         -msh2a-single and -msh2a-single-only
14496         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
14497         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
14498         is set.
14499         2004-02-20  DJ Delorie  <dj@delorie.com>
14500         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
14501         2004-02-20  Fred Fish <fnf@redhat.com>,
14502         Corinna Vinschen <vinschen@redhat.com>
14503         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
14504         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
14505         2004-02-18  DJ Delorie  <dj@redhat.com>
14506         * config/sh/sh.c (broken_move): Add support for movi20.
14507         * config/sh/sh.h: Likewise.
14508         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
14509         * config/sh/sh.md (udivsi3_sh2a): New.
14510         (udivsi3): Call it.
14511         (divsi3_sh2a): New.
14512         (divsi3): Call it.
14513         (mul_r): New.
14514         (ashlsi3_sh2a): New.
14515         (ashrsi3_sh2a): New.
14516         (lshrsi3_sh2a): New.
14517         (movsi_i): Disable for sh2a.
14518         (movsi_ie): Add movi20.
14519         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
14520         sh2a, for -m2a-nofpu mode.
14521         2004-02-13  DJ Delorie  <dj@redhat.com>
14522         * config/sh/lib1funcs.asm: Handle double vs single better.
14523         * config/sh/sh.h: Likewise.
14524         2004-02-09  DJ Delorie  <dj@redhat.com>
14525         * config/sh/crt1.asm: Add support for sh2a.
14526         * config/sh/elf.h: Likewise.
14527         * config/sh/lib1funcs.asm: Likewise.
14528         * config/sh/sh.c: Likewise.
14529         * config/sh/sh.md: Likewise.
14530         * config/sh/sh.h: Likewise.
14531         * config/sh/t-sh: Likewise.
14532
14533 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
14534
14535         * config/frv/frv.md (movqi_internal, movhi_internal,
14536         movsi_internal): Add backup alternatives for memory inputs.
14537
14538 2004-07-28  Matt Austern  <austern@apple.com>
14539
14540         * config/darwin.c (darwin_one_byte_bool): New global variable.
14541         * config/darwin.h (darwin_one_byte_bool): Declare.
14542         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
14543         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
14544         value of darwin_one_byte_bool.
14545         * doc/invoke.texi: Document -mone-byte-bool flag.
14546
14547 2004-07-28  Eric Christopher  <echristo@redhat.com>
14548
14549         * c-common.c (c_common_unsafe_for_reeval): Delete.
14550         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
14551         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
14552         * calls.c (fix_unsafe_tree): Delete.
14553         (expand_call): Delete code which used above.
14554         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
14555         * expr.c (expand_expr_real_1): Ditto.
14556         * fold-const.c (non_lvalue): Ditto.
14557         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
14558         (lhd_unsafe_for_reeval): Ditto.
14559         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
14560         * langhooks.h (unsafe_for_reeval): Ditto.
14561         (unsave_expr_now): Adjust comment.
14562         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
14563         (estimate_num_insns_1): Ditto.
14564         * tree-pretty-print.c (dump_generic_node): Ditto.
14565         * tree.c (expr_align): Ditto.
14566         (unsave_expr): Delete.
14567         (unsafe_for_reeval): Ditto.
14568         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
14569         * tree.def (UNSAVE_EXPR): Delete.
14570         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
14571
14572 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
14573
14574         * tree.h (enum tls_model): Move ...
14575         * coretypes.h: ... here.
14576
14577 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
14578
14579         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
14580
14581 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
14582
14583         * cse.c (validate_canon_reg): New function, split out from...
14584         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
14585
14586 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14587
14588         * tree-ssa-alias.c (maybe_create_global_var): Don't just
14589         return if .GLOBAL_VAR has been created.
14590
14591 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14592
14593         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
14594         every variable that may have aliases, not just tags.
14595
14596 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
14597
14598         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
14599         move_from_CR_eq_bit.
14600         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
14601
14602
14603         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
14604         e500_flip_eq_bit.
14605
14606         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
14607         output_e500_flip_eq_bit.
14608
14609         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
14610         output_e500_flip_eq_bit.
14611         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
14612         output_e500_flip_eq_bit.
14613         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
14614         (print_operand): case D.  Get to EQ bit.
14615
14616 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
14617
14618         * gcov.c (function_summary): Add missing \n.
14619
14620 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
14621
14622         Introduce sh4a support.
14623         * config.gcc: Handle sh4a multilibs and cpu selection.
14624         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
14625         * config/sh/t-mlib-sh4a: New.
14626         * config/sh/t-mlib-sh4al: New.
14627         * config/sh/t-mlib-sh4a-nofpu: New.
14628         * config/sh/t-mlib-sh4a-single: New.
14629         * config/sh/t-mlib-sh4a-single-only: New.
14630         2004-02-20  DJ Delorie  <dj@redhat.com>
14631         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
14632         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
14633         2003-08-22  Eric Christopher  <echristo@redhat.com>
14634         * config/sh/sh4a.md: Update for chip errata.
14635         2003-08-07  Eric Christopher  <echristo@redhat.com>
14636         * config/sh/sh4a.md: New file. sh4a processor description.
14637         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
14638         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
14639         of -m4a-nofpu.
14640         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
14641         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
14642         * doc/invoke.texi (SH Options): Document -m4al.
14643         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
14644         * config/sh/sh.c (expand_block_move): Remove commented-out code
14645         checked in by mistake.
14646         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
14647         single elements from SFmode vectors.
14648         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
14649         register.
14650         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
14651         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
14652         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
14653         sh_fsca_int2sf): Remove variable declarations.
14654         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
14655         sh_fsca_int2sf): New functions.
14656         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
14657         sh_fsca_int2sf_rtx): New static variables.
14658         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
14659         sh_fsca_int2sf): Declare.
14660         * config/sh/sh.md: Adjust.
14661         * doc/invoke.texi (SH Options): Document new options.
14662         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
14663         compatibility from SH4 code.
14664         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
14665         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
14666         early.
14667         (memory_movsrc_operand): Renamed to...
14668         (unaligned_load_operand): ... this.  Simplified.
14669         * config/sh/sh.h (PREDICATE_CODES): Adjust.
14670         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
14671         input operand to SImode, and adjust the others.  Introduce
14672         post-increment by peephole.
14673         * config/sh/sh.c (expand_block_move): Give the target address the
14674         same mode as the temp reg.
14675         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
14676         copying.
14677         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
14678         Introduce support for SH4a.
14679         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
14680         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
14681         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
14682         sh_fsca_int2sf): New.
14683         (sh_init_builtins): Initialize them.
14684         (print_operand): Support `d'.
14685         (expand_block_move): Use movua if src is misaligned.
14686         (memory_movsrc_operand): New.
14687         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
14688         and one of the SH4 macros.
14689         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
14690         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
14691         SELECT_SH4A_SINGLE): New.
14692         (TARGET_NONE): Add SH4A_BIT.
14693         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
14694         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
14695         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
14696         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
14697         (enum processor_type): Added PROCESSOR_SH4A.
14698         (PREDICATE_CODES): Add memory_movsrc_operand.
14699         * config/sh/sh.md: Removed unused variables.
14700         (attr cpu): Add sh4a.
14701         (attr type): Add movua, fsrra and fsca.
14702         (prefetch): New, for SH4.
14703         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
14704         (toggle_sz): Set type to fp.
14705         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
14706         (movua, extv, extzv): New.
14707         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
14708         and 4a-single-only.
14709
14710 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14711
14712         * tree-optimize.c (init_tree_optimization_passes): Schedule
14713         pass_may_alias right after the program is renamed into SSA.
14714         * tree-pass.h (PROP_alias): Define.
14715         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
14716         * tree-sra.c (pass_sra): Likewise.
14717         * tree-ssa-ccp.c (pass_ccp): Likewise.
14718         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
14719         * tree-ssa-dce.c (pass_dce): Likewise.
14720         * tree-ssa-dom.c (pass_dominator): Likewise.
14721         * tree-ssa-dse.c (pass_dse): Likewise.
14722         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
14723         * tree-ssa-loop-ch.c (pass_ch): Likewise.
14724         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
14725         * tree-ssa-pre.c (pass_pre): Likewise.
14726         * tree-tailcall.c (pass_tail_recursion): Likewise.
14727         * tree-ssa.c (pass_redundant_phi): Likewise.
14728         * tree-ssa-alias.c (aliases_computed_p): Remove.
14729         Update all users.
14730         (init_alias_info): Do not mark all type tags for renaming
14731         unconditionally.
14732         Clear may_aliases from every symbol.
14733         (setup_pointers_and_addressables): If a pointer has not been
14734         dereferenced and it had a type tag, clear it and mark the old
14735         tag for renaming.
14736
14737 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14738
14739         PR tree-optimization/16705
14740         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
14741         .GLOBAL_VAR.
14742
14743 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14744
14745         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
14746         check.
14747
14748         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
14749         don't make another one.
14750
14751         PR optimization/15077
14752         * function.h (struct function): Add field saved_static_chain_decl.
14753         Fix comment for static_chain_decl.
14754         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
14755         * tree-inline.h (save_body): Add new arg.
14756         * tree-optimize.c (tree_rest_of_compilation): Handle saving
14757         static_chain_decl.
14758
14759 2004-07-27  Richard Henderson  <rth@redhat.com>
14760
14761         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
14762         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
14763         is_gimple_addressable.
14764         * tree-gimple.c (is_gimple_addressable): Rename from
14765         is_gimple_addr_expr_arg; accept INDIRECT_REF.
14766         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
14767         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
14768         rename to is_gimple_addressable.
14769
14770 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
14771
14772         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
14773
14774 2004-07-27  Richard Henderson  <rth@redhat.com>
14775
14776         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
14777         before rounding.
14778
14779 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
14780
14781         * libgcc2.c: Change all conditionals testing
14782         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
14783         * libgcc2.h: Likewise.
14784         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
14785         TYPE_PRECISION of float80_type to 80.
14786         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
14787         of fpreg_type and float80_type to 80.
14788         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
14789         * config/m68k/netbsd-elf.h:
14790         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
14791         to evaluate to 80 whenever they would formerly have evaluated to 96.
14792         * config/i386/sco5.h: Remove unnecessary redefinition of
14793         LONG_DOUBLE_TYPE_SIZE.
14794         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
14795         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
14796         XFmode, with a bitsize of 80.  Update commentary.
14797         * config/ia64/ia64-modes.def: Likewise.
14798         * config/m68k/m68k-modes.def: Likewise.
14799
14800 2004-07-27  Steven Bosscher  <stevenb@suse.de>
14801
14802         * cfgexpand.c (tree_expand_cfg): Fix comment.
14803
14804         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
14805         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
14806         Remove.
14807         (prepare_function_start): Don't set rtx_equal_function_value_matters.
14808         * integrate.c (copy_rtx_and_substitute): Don't test for it.
14809         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
14810         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
14811         here again.  Update leading comment.
14812         * rtl.c (rtx_equal_function_value_matters): Remove.
14813         (rtx_equal_p): Don't test for it.
14814         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
14815         Likewise.
14816
14817         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
14818         * rtl.c (note_insn_name): Likewise.
14819         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
14820         * final.c (final_scan_insn): Likewise.
14821
14822         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
14823         * passes.c (rest_of_handle_eh): Do it here.
14824
14825         * stmt.c (struct nesting): Remove struct nesting block member.
14826         (struct stmt_status): Remove x_block_start_count field.
14827         (current_block_start_count): Remove.
14828
14829 2004-07-27  Brian Booth  <bbooth@redhat.com>
14830
14831         * tree-optimize.c (register_one_dump_file): Update condition that uses
14832         static_pass_number.
14833         (dup_pass_1): Replace with...
14834         (next_pass_1): This.
14835         (NEXT_PASS): Call next_pass_1.
14836         (DUP_PASS): Remove.
14837         (init_tree_optimization_passes): Remove uses of DUP_PASS.
14838         (execute_one_pass): Update condition that uses
14839         static_pass_number.
14840         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
14841         integer.
14842
14843 2004-07-27  Nick Clifton  <nickc@redhat.com>
14844
14845         * config/m32r/m32r.c: Include integrate.h in order to get the
14846         prototype for get_hard_reg_initial_val().
14847
14848         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
14849         and tidy up indentation.
14850         (final_presence_set): Use absence_set instead, so that if there is
14851         nothing in the "o" pipe the "s" pipe can be scheduled.
14852
14853 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
14854
14855         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
14856         don't have PT_VARS nor PT_MALLOC set.
14857         Clear name tag from pointers that have not been dereferenced.
14858         (set_pt_anything, set_pt_malloc): Forward declare.
14859         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
14860         not type compatibility when determining if a pointer can be
14861         copy propagated.
14862
14863 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
14864
14865         * expr.h (canonicalize_condition, get_condition): Add an int argument.
14866         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
14867         it to check whether the condition is still valid at the jump insn.
14868         * ifcvt.c (noce_get_condition): Likewise.
14869         (noce_get_alt_condition): Update call to canonicalize_condition.
14870         * loop-iv.c (simplify_using_initial_values): Update call to
14871         get_condition.  Remove FIXME.
14872         (check_simple_exit): Update call to get_condition.
14873         * loop-unswitch.c (may_unswitch_on): Likewise.
14874         * loop.c (check_dbra_loop): Likewise.
14875         (canonicalize_condition, get_condition): Add an argument to say whether
14876         the condition must still be valid at INSN.
14877         (get_condition_for_loop): Update call to get_condition.  Require that
14878         the condition be valid at INSN.
14879         * predict.c (estimate_probability): Update call to get_condition.
14880         Remove unused earliest parameter.
14881         (expected_value_to_br_prob): Update call to canonicalize_condition.
14882
14883 2004-07-26  Eric Christopher  <echristo@redhat.com>
14884
14885         * tree-dfa.c (add_referenced_var): Register initializers of global
14886         variables.
14887
14888 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
14889
14890         * config/i386/i386.c (function_arg): Always treat 8-
14891         and 16-byte wide vectors the same, even if MMX/SSE
14892         are disabled.
14893         (contains_128bit_aligned_vector_p): Add comment.
14894
14895 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
14896
14897         * ra.h (enum node_type): Rename to:
14898         (enum ra_node_type).
14899         * ra-colorize.c: Likewise.
14900
14901 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
14902
14903         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
14904         after simplifying the jump.
14905
14906 2004-06-26  Richard Henderson  <rth@redhat.com>
14907
14908         * calls.c (combine_pending_stack_adjustment_and_call): Make
14909         preferred_unit_stack_boundary argument unsigned.  Make
14910         unadjusted_alignment unsigned.
14911         (expand_call): Make preferred_stack_boundary and
14912         preferred_unit_stack_boundary variables unsigned.
14913         * function.c (assign_stack_local_1): Make alignment unsigned.
14914         * function.h (struct function): Make stack_alignment_needed,
14915         preferred_stack_boundary unsigned.
14916         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
14917         (ix86_compute_frame_layout): Make stack_alignment_needed,
14918         preferred_alignment variables unsigned.
14919         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
14920
14921 2004-07-26  Tom Tromey  <tromey@redhat.com>
14922
14923         * tree.h: Fix typo in comment.
14924
14925 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
14926
14927         PR bootstrap/12804
14928         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
14929         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
14930         (ggc_free): Remove incorrect freeing.
14931         (sweep_pages): Advance PP for large pages.  Fix indentation.
14932
14933 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
14934
14935         PR rtl-optimization/16643
14936         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
14937         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
14938         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
14939         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
14940         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
14941         * function.c (thread_prologue_and_epilogue_insns): Likewise.
14942         * rtl.h (tracer): Add a flags parameter.
14943         * tracer.c (tracer): Pass it to cfg_layout_initialise.
14944         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
14945         (rest_of_handle_reorder_blocks): Update calls to tracer and
14946         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
14947         (rest_of_handle_tracer): Pass 0 to tracer.
14948         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
14949
14950 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
14951
14952         PR target/16239
14953         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
14954         f->f.
14955
14956 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
14957
14958         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
14959         (BINFO_BASE_ACCESS): Adjust.
14960         (BINFO_BASE_ACCESS_APPEND): New.
14961         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
14962         * dbxout.c (dbxout_type): Adjust binfo access accessing.
14963         * dwarf2out.c (gen_member_die): Likewise.
14964         * tree-dump.c (deque_and_dump): Likewise.
14965
14966 2004-07-26  Falk Hueffner  <falk@debian.org>
14967
14968         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
14969         costs.
14970
14971 2004-07-25  Roger Sayle  <roger@eyesopen.com>
14972
14973         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
14974         value off of the stack if TARGET_USE_FFREEP.
14975
14976 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14977
14978         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
14979         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
14980         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
14981         check on invocation of XRESIZEVEC ().
14982
14983 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14984
14985         * c-common.c (disable_builtin_function): Rename variable n to
14986         new_disabled_builtin.
14987         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
14988         Rename local variable old to old_decl.
14989         * gensupport.c (shift_output_template): Rename parameter old to src.
14990         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
14991         old_rtx and newx to new_rtx.
14992
14993 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14994
14995         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
14996         of c-pragma.h.
14997         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
14998         enum cpp_ttype.
14999         * c-lex.c: Likewise.
15000
15001 2004-07-25  Roger Sayle  <roger@eyesopen.com>
15002
15003         * fold-const.c (constant_boolean_node): Make extern.
15004         (make_range): Wrap long lines.
15005         (fold_cond_expr_with_comparison): Remove unnecessary call to
15006         pedantic_non_lvalue.  Add missing calls to fold_convert.
15007         (fold_truthop): Add missing calls to fold_convert.
15008         (fold): Likewise.
15009         * tree.h (constant_boolean_node): Add prototype here.
15010         * builtins.c (expand_builtin_strncmp): Add missing calls to
15011         fold_convert.
15012         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
15013         Call fold_convert and constant_boolean_node to correct types.
15014         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
15015         missing call to fold_convert to correct types.
15016
15017 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
15018             Brian Ryner  <bryner@brianryner.com>
15019
15020         PR c++/9283
15021         PR c++/15000
15022         * c-common.c (c_common_attribute_table): Allow
15023         handle_visibility_attribute to be called for types.
15024         (handle_visibility_attribute) When given a type, set the visibility
15025         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
15026         so that we can check later whether the attribute was present. Added
15027         warning if attribute applied to non class type.
15028         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
15029         decls and checking that they are consistent.
15030         * common.opt: Added -fvisibility.
15031         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
15032         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
15033         * flags.h, tree.h: Added assorted support defines for overall patch
15034         * opts.c: Added parsing support for -fvisibility.
15035         * tree.c (build_decl): Set visibility for all decls to be whatever
15036         is in force at that time.
15037         * varasm.c (default_binds_local_p_1): Reworked logic determining
15038         when to make a symbol locally bound.
15039         * doc/invoke.texi: Added documentation for -fvisibility and
15040         -fvisibility-inlines-hidden.
15041
15042 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15043
15044         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
15045         * c-common.c: Add missing casts from void * to other types.
15046         * c-decl.c: Likewise.
15047         * c-format.c: Likewise.
15048         * c-lex.c: Likewise.
15049         * c-pragma.c: Likewise.
15050         * c-typeck.c: Likewise.
15051         * defaults.h: Likewise.
15052         * genconstants.c: Likewise.
15053         * gengtype-lex.l: Likewise.
15054         * genmodes.c: Likewise.
15055         * read-rtl.c: Likewise.
15056         * rtl.c: Likewise.
15057
15058 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15059
15060         * bitmap.c: Use type-safe memory allocation macros from libiberty.
15061         * c-common.c: Likewise.
15062         * c-decl.c: Likewise.
15063         * c-lang.c: Likewise.
15064         * c-lex.c: Likewise.
15065         * c-opts.c: Likewise.
15066         * c-parse.in: Likewise.
15067         * c-typeck.c: Likewise.
15068         * genconditions.c: Likewise.
15069         * gengtype-lex.l: Likewise.
15070         * gengtype-yacc.y: Likewise.
15071         * gengtype.c: Likewise.
15072         * genmodes.c: Likewise.
15073         * gensupport.c: Likewise.
15074         * read-rtl.c: Likewise.
15075         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
15076         htab_find_slot().
15077
15078 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15079
15080         * c-decl.c (groktypename, groktypename_in_param_context): Rename
15081         variable typename to type_name.
15082         * c-lex.c (interpret_float): Likewise.
15083
15084 2004-07-25  Roger Sayle  <roger@eyesopen.com>
15085
15086         * convert.c (convert_to_real, convert_to_integer,
15087         convert_to_complex): Replace calls to build with calls to buildN.
15088         * coverage.c (tree_coverage_counter_ref): Likewise.
15089         * dojump.c (do_jump): Likewise.
15090         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
15091         * emit-rtl.c (component_ref_for_mem_expr,
15092         set_mem_attributes_minus_bitpos): Likewise.
15093         * explow.c (update_nonlocal_goto_save_area): Likewise.
15094         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
15095         expand_mult_add): Likewise.
15096         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
15097         store_constructor, get_inner_reference, expand_expr_real_1,
15098         try_casesi, try_tablejump): Likewise.
15099         * function.c (expand_function_start): Likewise.
15100         * stmt.c (emit_case_bit_tests, expand_end_case_type,
15101         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
15102         * stor-layout.c (place_union_field, layout_type): Likewise.
15103         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
15104         * varasm.c (copy_constant): Likewise.
15105
15106 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15107
15108         * c-common.c: Rename all identifiers named `new'.
15109         * c-decl.c: Likewise.
15110         * gensupport.c: Likewise.
15111         * simplify-rtx.c: Likewise.
15112         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
15113         with XNEW().
15114         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
15115         with XNEWVEC().
15116
15117 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
15118
15119         PR c/15360
15120         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
15121         declarations until after calling pushdecl.
15122         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
15123         "extern" and not on whether the declaration is initialized.
15124
15125 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
15126
15127         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
15128         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
15129         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
15130         "cpplib.h", "c-pragma.h", "c-common.h".
15131         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
15132         (solaris_register_pragmas): New functions.
15133         * config/sol2-protos.h: New file.
15134         * config/sol2.c: New file.
15135         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
15136         (REGISTER_TARGET_PRAGMAS): New macros.
15137         (solaris_pending_aligns, solaris_pending_inits)
15138         (solaris_pending_finis): New variables.
15139         * config/t-sol2 (sol2-c.o): Update dependencies.
15140         (sol2.o): New rule.
15141         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
15142         SUBTARGET_INSERT_ATTRIBUTES.
15143         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
15144         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
15145         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
15146         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
15147         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
15148         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
15149         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
15150         * config/sparc/sparc.c (sparc_attribute_table): New.
15151         (TARGET_INSERT_ATTRIBUTES): Define in terms of
15152         SUBTARGET_INSERT_ATTRIBUTES.
15153         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
15154         is defined.
15155         * doc/extend.texi (Solaris Pragmas): New section.
15156
15157 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15158
15159         * c-common.c: Rename all identifiers named `class' to `cl'.
15160         * c-common.h: Likewise.
15161         * c-parse.in: Likewise.
15162         * c-typeck.c: Likewise.
15163         * genmodes.c: Likewise.
15164         * real.c: Likewise.
15165         * real.h: Likewise.
15166         * recog.c: Likewise.
15167         * recog.h: Likewise.
15168         * regrename.c: Likewise.
15169         * tree.h: Likewise.
15170         * c-common.c (builtin_function_2): Change type of 5th parameter from
15171         int to enum built_in_function. Change type of 8th parameter from int
15172         to bool.
15173         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
15174         with GGC_CNEW().
15175         * c-typeck.c (convert_arguments): Change type of formal_prec from
15176         int to unsigned int.
15177         * genmodes.c (blank_mode): Make a few negative constants unsigned.
15178         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
15179         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
15180         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
15181         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
15182         iterator to for_all_modes () instead of an enum because enums can't
15183         be incremented in C++.
15184
15185
15186 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
15187
15188         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
15189         hard registers.
15190
15191 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15192
15193         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
15194         Handle ARRAY_RANGE_REF like ARRAY_REF.
15195
15196 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
15197
15198         * c-typeck.c (digest_init): Don't allow arrays of signed or
15199         unsigned variants of wchar_t to be initialized by wide string
15200         constants.  Do allow arrays of enumerated types compatible with
15201         wchar_t to be initialized by wide string constants.  Refine tests
15202         distinguishing wide and narrow strings and arrays.  Give specific
15203         error for arrays of other integer types initialized by string
15204         constants.
15205         (output_init_element, process_init_element): Check for
15206         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
15207         initializing with string constants.
15208
15209 2004-07-25  Richard Henderson  <rth@redhat.com>
15210
15211         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
15212         on the RESULT_DECL.
15213         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
15214         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
15215         DECL_IGNORED_P to new decl.
15216
15217 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
15218
15219         * config/ia64/ia64.c (general_xfmode_operand)
15220         (destination_xfmode_operand): Delete.
15221         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
15222         * config/ia64/ia64.md (*movxf_internal): Use general_operand
15223         and destination_operand.
15224
15225 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
15226
15227         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
15228         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
15229
15230 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
15231             Zack Weinberg  <zack@codesourcery.com
15232
15233         PR 16684
15234         * c-decl.c (diagnose_mismatched_decls): Don't issue a
15235         redundant-declaration warning the first time a builtin is
15236         declared explicitly.
15237
15238 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15239
15240         * tree.h (staticp): Change return type to bool.
15241
15242 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15243
15244         * c-common.c (c_staticp): Last episode of the staticp saga.
15245
15246 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15247
15248         * c-common.h (c_staticp): Change return type from int to bool.
15249         * tree.c (staticp): Likewise.
15250         * langhooks.h (staticp): Likewise.
15251
15252 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15253
15254         * langhooks-def.h (lhd_staticp): Change return type from int to
15255         bool in prototype to match definition.
15256
15257 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15258
15259         * system.h (bool, true, false): Don't redefine as preprocessor macros
15260         in C++.
15261
15262 2004-07-24  Roger Sayle  <roger@eyesopen.com>
15263
15264         * expmed.c (init_expmed): A signed modulus by a power of two is
15265         considered cheap if its less than or equal to four instructions.
15266
15267 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15268
15269         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
15270         GGC_CNEWVAR): New macros.
15271
15272 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15273
15274         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
15275         lists.
15276         * c-decl.c: Likewise.
15277         * c-format.c: Likewise.
15278         * c-lex.c: Likewise.
15279         * c-opts.c: Likewise.
15280         * c-pragma.c: Likewise.
15281         * c-typeck.c: Likewise.
15282         * gencheck.c: Likewise.
15283         * genconditions.c: Likewise.
15284         * genconfig.c: Likewise.
15285         * genflags.c: Likewise.
15286         * gengtype.c: Likewise.
15287         * gensupport.c: Likewise.
15288         * ggc-none.c: Likewise.
15289         * langhooks.c: Likewise.
15290         * statistics.h: Likewise.
15291         * stub-objc.c: Likewise.
15292         * java/decl.c: Likewise.
15293
15294 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
15295
15296         * config/m68k/m68k.c (output_scc_di): Fix coding style.
15297         (symbolic_operand): Fix prototype.
15298         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
15299         * config/m68k/m68k.md: Add constants for registers a0 and sp and
15300         use them, change from the "{...}" syntax to the simpler {...}
15301         syntax.
15302         (*cfv4_extendqisi2): Fix destination predicate.
15303         * config/m68k/m68k-protos.h: Remove various declarations also
15304         generated via PREDICATE_CODES.
15305
15306 2004-07-23  Mike Stump  <mrs@apple.com>
15307
15308         * c-typeck.c (convert_for_assignment): Tightened up pointer
15309         converstions that differ in signedness.
15310
15311 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
15312
15313         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
15314
15315 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15316
15317         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
15318         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
15319
15320         * gimplify.c (gimplify_compound_lval): Check for no handled
15321         operations, rather than checking for explicit list of nodes.
15322         (is_gimple_addr_expr_arg_or_indirect): New function.
15323         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
15324         redundant setting of TREE_INVARIANT.
15325         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
15326         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
15327
15328 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
15329
15330         PR tree-optimization/16688
15331         PR tree-optimization/16689
15332         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
15333         unnecessary initialization of 'tag'.
15334         (get_tmt_for): Check that the new type tag has the same alias
15335         set as the pointed-to type.
15336         (group_aliases): Only regular variables need to be removed
15337         from the alias set of a name tag.
15338         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
15339         propagation if the two types are not compatible.
15340         (merge_alias_info): Rename from replace_ssa_names_ann.
15341         Add more checking.
15342         (replace_exp_1): If both arguments are SSA_NAMEs, check that
15343         the propagation can be done.
15344         Only call merge_alias_info on pointers.
15345         (propagate_value): Likewise.
15346         * tree-ssa-copyrename.c: Include langhooks.h.
15347         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
15348         to do the merging.
15349         Do not coalesce variables with incompatible types.
15350         (rename_ssa_copies): Call replace_ssa_name_symbol.
15351         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
15352         the same type as the underlying _DECL.
15353         * tree-ssanames.c (replace_ssa_name_symbol): New function.
15354         * tree.h (replace_ssa_name_symbol): Declare.
15355
15356 2004-07-23  Richard Henderson  <rth@redhat.com>
15357
15358         PR c++/16277
15359         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
15360         unshare it properly.
15361         (gimplify_modify_expr_rhs): Push assignment from a conditional into
15362         the conditional for all non-register types.
15363
15364 2004-07-23  Richard Henderson  <rth@redhat.com>
15365
15366         * expr.c (expand_expr_real_1): Don't handle non-local variables.
15367         * expr.h (fix_lexical_addr): Remove.
15368         * function.c (NEED_SEPARATE_AP): Remove.
15369         (fix_lexical_addr): Remove.
15370         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
15371         not null decl_function_context.
15372         (create_alias_vars): Likewise.
15373         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
15374         (simple_goto_p): Likewise.
15375         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
15376         * tree-ssa-ccp.c (get_default_value): Likewise.
15377         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
15378         * tree.c (needs_to_live_in_memory): Likewise.
15379         * tree-flow-inline.h (may_be_aliased): Move...
15380         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
15381         when TREE_STATIC variables may be addressable.
15382
15383 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
15384
15385         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
15386
15387 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
15388
15389         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
15390         bitmap contents if GENERATOR_FILE is defined.
15391         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
15392         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
15393
15394 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
15395
15396         * c-decl.c (start_function): Form composite type of function types
15397         rather than copying type from previous prototype declaration.
15398
15399 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
15400
15401         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
15402         the const qualifier for the second argument in the C++ functions.
15403
15404         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
15405         specific pointer types.
15406
15407         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
15408         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
15409         for vector bool and/or vector pixel, add C++ and C missing support.
15410         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
15411         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
15412         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
15413         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
15414         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
15415         missing C++ and C support for vector bool and/or vector pixel.
15416         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
15417         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
15418         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
15419         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
15420         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
15421         C++ and C types used for vector bool and/or vector pixel.
15422         (vec_st, vec_stl): Add C++ support for vector pixel.
15423         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
15424         (vec_all_ne): Add C++ support for vector pixel.
15425
15426         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
15427         (vec_vmulesb): Add missing C++ function.
15428         (vec_perm): Fix type of third argument in C++ function.
15429         (vec_vsum4shs): Fix C++ function name.
15430         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
15431         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
15432         argument passed to the error handler in C macro.
15433         (vec_nmsub): Remove extra parens around argument names in C macro.
15434         (vec_packpx): Add missing parens in C macro.
15435
15436 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
15437
15438         * machmode.def: Remove vector modes.
15439         * config/alpha/alpha-modes.def: Add supported vector modes.
15440         * config/arm/arm-modes.def: Likewise.
15441         * config/frv/frv-modes.def: Likewise.
15442         * config/i386/i386-modes.def: Likewise.
15443         * config/rs6000/rs6000-modes.def: Likewise.
15444         * config/sh/sh-modes.def: Likewise.
15445
15446 2004-07-23  Matthias Klose  <doko@debian.org>
15447
15448         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
15449         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
15450         * config.h: Regenerate.
15451         * configure: Likewise.
15452
15453 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
15454
15455         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
15456         generated SYMBOL_REFs for labels.
15457         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
15458         Change prototype.
15459         (machopic_stub_name): Remove.
15460         (machopic_indirection_name): New function.
15461         (machopic_mcount_stub_name): Likewise.
15462         (machopic_classify_name): Remove.
15463         (machopic_function_base_sym): New function.
15464         (machpoic_classify_symbol): Likewise.
15465         (machopic_classify_ident): Remove.
15466         (machopic_define_ident): Likewise.
15467         (machopic_define_name): Likewise.
15468         (machopic_name_defined_p): Likewise.
15469         (machopic_ident_defined_p): Likewise.
15470         (darwin_strip_name_encoding): Likewise.
15471         (machopic_define_symbol): New function.
15472         * config/darwin.c (hashtab.h): Include.
15473         (machopic_defined_list): Remove.
15474         (machopic_classify_ident): Likewise.
15475         (machopic_classify_name): Likewise.
15476         (machopic_ident_defined_p): Likewise.
15477         (machopic_define_ident): Likewise.
15478         (machopic_define_name): Likewise.
15479         (machopic_symbol_defined_p): New function.
15480         (machopic_classify_symbol): Likewise.
15481         (machopic_data_defined_p): Use machopic_classify_symbol.
15482         (machopic_define_symbol): New function.
15483         (machopic_function_base_sym): New function.
15484         (machopic_non_lazy_pointers): Remove.
15485         (machopic_non_lazy_ptr_name): Likewise.
15486         (machopic_stubs): Likewise.
15487         (machopic_stub_name): Likewise.
15488         (NON_LAZY_POINTER_SUFFIX): New macro.
15489         (STUB_SUFFIX): Likewise.
15490         (machopic_indirection): New structure.
15491         (machopic_indirections): New variable.
15492         (machopic_indirection_hash): New function.
15493         (machopic_indirection_eq): Likewise.
15494         (machopic_indirection_name): Likewise.
15495         (machopic_mcount_stub_name): New function.
15496         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
15497         hash table.
15498         (machopic_indirect_data_reference): Rework to use new functions.
15499         (machopic_indirect_call_target): Likewise.
15500         (machopic_legitimize_pic_address): Likewise.
15501         (machopic_output_indirection): New function.
15502         (machopic_finish): Use it.
15503         (machopic_operand_p): Rework to use new functions.
15504         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
15505         (darwin_strip_name_encoding): Remove.
15506         (update_non_lazy_ptrs): Remove.
15507         (update_stubs): Likewise.
15508         (darwin_non_lazy_pcrel): Use new functions.
15509         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
15510         (ASM_OUTPUT_LABELREF): Likewise.
15511         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
15512         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
15513         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
15514         (TARGET_STRIP_NAME_ENCODING): Do not use
15515         darwin_strip_name_encoding.
15516         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
15517         darwin_strip_name_encoding.
15518         * config/i386/darwin.h (FUNCTION_PROFILER): Use
15519         machopic_mcount_stub_name.
15520         * config/i386/i386.c (x86_output_mi_thunk): Use
15521         machopic_indirection_name, not machopic_stub_name.
15522         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
15523         machopic_function_base_sym.
15524         (print_operand): Use machopic_classify_symbol.
15525         (rs6000_emit_prologue): Use machopic_function_base_sym.
15526         (output_profile_hook): Do not use machopic_stub_name.
15527         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
15528
15529 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15530
15531         PR c/7284
15532         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
15533         as multiplication.
15534
15535 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15536
15537         * doc/implement-c.texi: New file.
15538         * doc/extend.texi (C Implementation): Move to there.
15539         * doc/gcc.texi: Include implement-c.texi.
15540         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
15541
15542 2004-07-22  Jason Merrill  <jason@redhat.com>
15543
15544         * integrate.c (copy_decl_for_inlining): Remove invisible reference
15545         handling.
15546         * tree-inline.c (setup_one_parameter): Likewise.
15547
15548 2004-07-22  Brian Booth  <bbooth@redhat.com>
15549
15550         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
15551         (substitute_and_fold): Propigate into VUSE operands when possible.
15552         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
15553         (cp_lattice_meet): Handle merging of latticevalues when
15554         UNKNOWN_VAL is present.
15555         (visit_stmt): Visit assignments with V_MUST_DEFs.
15556         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
15557         (ccp_fold): Deal with RHS' that are constant and virtual.
15558         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
15559         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
15560         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
15561         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
15562         computing immediate uses.
15563         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
15564         transition.
15565         (replace_vuse_in): New function.
15566         (likely_value): Add check of vuse operands.
15567         (get_default_value): Set the default value of virtually defined
15568         variables to UKNOWN_VAL instead of VARYING.
15569
15570 2004-07-22  Richard Henderson  <rth@redhat.com>
15571
15572         * expr.c (emit_push_insn): Don't use set_mem_attributes.
15573
15574 2004-07-22  Richard Henderson  <rth@redhat.com>
15575
15576         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
15577         variables due to conditional compilation.
15578
15579 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
15580
15581         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
15582         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
15583         Release SSA names that have been re-renamed.
15584         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
15585         variable.
15586         * tree-ssa-alias.c (init_alias_info): If aliases have been
15587         computed before, clear existing alias information.
15588         (create_name_tags): Do no fixup PT_ANYTHING pointers.
15589         If the new name tag for a pointer is different than the one it
15590         had before, mark the old tag for renaming.
15591         (replace_may_alias): New function.
15592         (group_aliases): Call it.
15593         (setup_pointers_and_addressables): Always call get_tmt_for.
15594         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
15595         once.
15596         (set_pt_anything): New local function.
15597         (set_pt_malloc): New local function.
15598         (merge_pointed_to_info): Don't merge pointed-to variables from
15599         the original pointer if the destination is pointing to an
15600         unknown location.
15601         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
15602         (add_pointed_to_var): Do not add a variable to the points-to
15603         set if the pointer is already pointing to anywhere.
15604         (collect_points_to_info_r): If the defining statement is a PHI
15605         node, only merge pointed-to information if the argument has
15606         already been visited.
15607         (get_tmt_for): Only create a new tag if the pointer didn't
15608         have one already.
15609         (dump_alias_info): Emit more information.
15610         (dump_points_to_info_for): Likewise.
15611         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
15612         try to get the annotation of an SSA_NAME.
15613         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
15614         alias sets when checking is enabled.
15615         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
15616         (eliminate): Mark basic blocks that will need
15617         EH information cleaned up.
15618         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
15619         predecessor.
15620         Initialize need_eh_cleanup.
15621         (fini_pre): Call tree_purge_all_dead_eh_edges and
15622         cleanup_tree_cfg if needed.
15623         Free need_eh_cleanup.
15624         * tree-ssa.c (verify_ssa_name): New function.
15625         (verify_def): Call it.
15626         Re-arrange to avoid printing too many error messages.
15627         (verify_use): Likewise.
15628         (verify_phi_args): Likewise.
15629         (verify_flow_insensitive_alias_info): New function.
15630         (verify_flow_sensitive_alias_info): New function.
15631         (verify_alias_info): New function.
15632         (verify_ssa): Call verify_alias_info.
15633         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
15634         program.
15635         Re-arrange to avoid printing too many error messages.
15636         * tree-ssanames.c (make_ssa_name): Clear
15637         SSA_NAME_IN_FREE_LIST.
15638         (release_ssa_name): Never release a default definition.
15639         (release_defs): New function.
15640         * tree.h: Declare it.
15641         * tree-ssa-dce.c (remove_dead_stmt): Call it.
15642
15643 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
15644
15645         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
15646         If true, do a depth-first search.  Do a breadht-first search,
15647         otherwise.
15648         (walk_use_def_chains): Add new argument IS_DFS.
15649         Update all users.
15650         * tree-flow.h (walk_use_def_chains): Update prototype.
15651
15652 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
15653
15654         * config/cris/cris.md: Tweak formatting.
15655         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
15656         (mover2side, moverside, movemside, movei, op3, andu): Replace
15657         live define_peephole:s with define_peephole2 near-equivalents.
15658         Delete the rest.
15659         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
15660         word-size modes.
15661         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
15662         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
15663         "*mov_sidesi_mem" respectively.
15664
15665 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
15666
15667         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
15668         (gimplify_build1): Move from tree-complex.c do_unop.
15669         (gimplify_build2): Move from tree-complex.c do_binop.
15670         (gimplify_build3): New.
15671         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
15672         Adjust throughout to call the functions above.
15673         * tree-flow.h: Declare the functions above.
15674         * tree-nested.c (gimplify_val): Rename to...
15675         (tsi_gimplify_val): ... this.
15676
15677         * Makefile.in (tree_complex.o): Update dependencies.
15678         (stor-layout.o): Depend on regs.h.
15679         * c-common.c (handle_vector_size_attribute): Update for
15680         vector types without corresponding vector modes.
15681         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
15682         a corresponding vector mode is not available.
15683         * print-tree.c (print_node): Print nunits for vector types
15684         * regclass.c (have_regs_of_mode): New.
15685         (init_reg_sets_1): Initialize it and use it instead
15686         of allocatable_regs_of_mode.
15687         * regs.h (have_regs_of_mode): Declare it.
15688         * stor-layout.c (layout_type): Pick a mode for vector types.
15689         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
15690         build_replicated_const, do_unop, do_binop, do_plus_minus,
15691         do_negate, expand_vector_piecewise, expand_vector_parallel,
15692         expand_vector_addition, expand_vector_operations_1,
15693         expand_vector_operations, tree_lower_operations,
15694         pass_lower_vector_ssa, pass_pre_expand): New.
15695         (expand_complex_operations, pass_lower_complex): Remove.
15696         * tree-optimize.c (init_tree_optimization_passes): Adjust
15697         pass ordering for changes in tree-complex.c.
15698         * tree-pass.h: Declare new passes.
15699         * tree.c (finish_vector_type): Remove.
15700         (make_vector_type): New.
15701         (build_vector_type_for_mode, build_vector_type): Rewritten.
15702         * tree.def (VECTOR_TYPE): Document where the number of
15703         subparts is stored.
15704         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
15705         (make_vector): Remove declaration.
15706
15707 2004-07-21  Richard Henderson  <rth@redhat.com>
15708
15709         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
15710         TREE_THIS_VOLATILE, may_aliases, or optimization level.
15711         (remove_useless_vars): Dump debugging info.
15712         (expand_used_vars): Move ...
15713         * cfgexpand.c (expand_used_vars): ... here.  Make static.
15714         * tree-flow-inline.h (set_is_used): New.
15715         (set_default_def): Use get_var_ann.
15716         * tree-flow.h: Update decls.
15717         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
15718         (create_ssa_var_map): Use it.
15719         * tree-ssa.c (set_is_used): Remove.
15720
15721 2004-07-22  Ben Elliston  <bje@au.ibm.com>
15722
15723         * gdbinit.in: Set a breakpoint on internal_error.
15724
15725 2004-07-21  Richard Henderson  <rth@redhat.com>
15726
15727         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
15728         to create a new basic block.
15729
15730 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15731
15732         PR c/15052
15733         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
15734         return type on function definitions.  Move other warnings for
15735         qualified return type to -Wreturn-type.  Do not condition any such
15736         warnings on -pedantic.  Update comments.
15737         (start_function): Only copy function type from previous prototype
15738         declaration if return types are compatible.
15739         * c-typeck.c (function_types_compatible_p): Don't condition
15740         warning for incompatibility of volatile qualifiers on the return
15741         type on -pedantic.  Update comment.
15742         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
15743
15744 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15745
15746         * c-typeck.c (set_init_index): Require designator to be of integer
15747         type.
15748
15749 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15750
15751         PR c/11250
15752         * c-parse.in (init): Change to exprtype.
15753         (primary): Set original_code for STRING to STRING_CST.
15754         Call maybe_warn_string_init for compound literals.
15755         (initdcl, notype_initdcl): Call maybe_warn_string_init.
15756         (initval): Update.
15757         * c-tree.h (maybe_warn_string_init): New.
15758         (pop_init_level, process_init_element): Use struct c_expr.
15759         (struct c_expr): Update comment.
15760         * c-typeck.c (maybe_warn_string_init): New function.
15761         (digest_init): Call it.  Additional parameter strict_string.  All
15762         callers changed.
15763         (output_init_element): Likewise.
15764         (struct constructor_stack): Use struct c_expr for
15765         replacement_value.
15766         (really_start_incremental_init, push_init_level): Update.
15767         (pop_init_level): Update.  Return struct c_expr.
15768         (process_init_level): Update.  Take struct c_expr argument.
15769
15770 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
15771
15772         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
15773         commit.
15774
15775 2004-07-21  Eric Christopher  <echristo@redhat.com>
15776
15777         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
15778         removal.
15779         * c-decl.c (pop_scope): Ditto.
15780         * calls.c (expand_call): Remove call to current_nesting_level,
15781         update comment accordingly. Remove calls to expand_start_target_temps
15782         and expand_end_target_temps.
15783         * cfgexpand.c (construct_init_block): Remove call to
15784         expand_start_bindings_and_block.
15785         (construct_exit_block): Remove call to expand_end_bindings.
15786         * expr.c (safe_from_p): Remove BIND_EXPR handling.
15787         (expand_expr_real_1): Ditto. Fix formatting.
15788         (expand_vars): Delete.
15789         * stmt.c (POPSTACK): Remove block_stack.
15790         (stmt_status): Remove x_block_stack.
15791         (block_stack): Delete.
15792         (expand_start_bindings_and_block): Ditto.
15793         (expand_start_target_temps): Ditto.
15794         (expand_end_target_temps): Ditto.
15795         (current_nesting_level): Ditto.
15796         (warn_about_unused_variables): Ditto.
15797         (expand_end_bindings): Ditto.
15798         * tree.h: Remove declarations for above.
15799
15800 2004-07-21  Steven Bosscher  <stevenb@suse.de>
15801
15802         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
15803         * rtl.c (note_insn_name): Likewise.
15804         * print-rtl.c (print_rtx): Don't print it.
15805         * cfgrtl.h (can_delete_note_p): Don't handle it.
15806         (rtl_delete_block): Likewise.
15807         * passes.c (rest_of_handle_guess_branch_prob): Remove.
15808         (rest_of_compilation): Don't call it.
15809         * predict.c (process_note_predictions, process_note_prediction,
15810         note_prediction_to_br_prob): Remove.
15811         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
15812         * stmt.c (return_prediction): Remove.
15813         (expand_value_return): Don't call it.  Don't add prediction
15814         notes for return statements.
15815
15816 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
15817
15818         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
15819         once.
15820
15821 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
15822
15823         * c-common.c (vector_types_convertible_p): Use vector types'
15824         TYPE_SIZE and TREE_TYPE instead of their mode.
15825         * convert.c (convert_to_integer): Likewise.
15826         (convert_to_vector): Likewise.
15827         * fold-const.c (fold_convert): Likewise.
15828         * varasm.c (output_constant): Likewise.
15829         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
15830         Allow a VECTOR_TYPE initializer to be made of several vectors.
15831         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
15832         of cleared and need_to_clear, and use fold_convert.
15833         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
15834         integer vectors.
15835
15836 2004-07-20  Richard Henderson  <rth@redhat.com>
15837
15838         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
15839         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
15840
15841 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
15842
15843         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
15844         enormous cost if not TARGET_HARD_MUL.
15845
15846 2004-07-20  Andrew Pinski  <apinski@apple.com>
15847
15848         PR target/16557
15849         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
15850         (ASM_SPEC): here.
15851
15852 2004-07-21  Paul brook  <paul@codesourcery.com>
15853
15854         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
15855
15856 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15857
15858         * fold-const.c (operand_equal_p): Temporarily support NULL args.
15859         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
15860         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
15861
15862 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
15863
15864         * rtl.h (plus_constant): Delete.
15865         (plus_constant_wide): Rename to plus_constant.
15866         (plus_constant_for_output_wide): Delete vestigial prototype.
15867         (GEN_INT): Remove unnecessary cast.
15868         * tree.h (build_int_2, size_int_type): Delete.
15869         (build_int_2_wide): Rename to build_int_2.
15870         (size_int_wide): Rename to size_int_kind.
15871         (size_int_type_wide): Rename to size_int_type.
15872         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
15873         Remove unnecessary cast.
15874         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
15875         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
15876         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
15877         (size_int_type_wide): Rename size_int_type.
15878         (int_const_binop): Use size_int_type.
15879         * c-lex.c (interpret_integer): Use build_int_2.
15880         * final.c (split_double): Remove unnecessary casts.
15881         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
15882
15883 2004-07-20  Richard Henderson  <rth@redhat.com>
15884
15885         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
15886         (gimplify_compound_lval): Use is_gimple_tmp_reg.
15887         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
15888         (is_gimple_tmp_reg): New.
15889         * tree-gimple.h (is_gimple_tmp_reg): Declare.
15890
15891 2004-07-20  Richard Henderson  <rth@redhat.com>
15892
15893         * tree-pretty-print.c (dump_generic_node): Dump
15894         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
15895
15896 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
15897
15898         * tree-mudflap.c (mf_set_options_fndecl): New tree.
15899         (mudflap_init): Set it.
15900         (mudflap_register_call): Remove __mf_init call.
15901         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
15902         to pass "-ignore-reads" option to libmudflap if needed.
15903
15904 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
15905
15906         PR c++/14607
15907         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
15908         (MAKE_DECL_ONE_ONLY): Undefine.
15909         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
15910         readonly_data, one_only_data_section, forget_section): New prototypes.
15911         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
15912         functions.
15913         (pa_select_section): Add one-only (COMDAT) support.
15914         * pa.h (struct machine_function): Define.
15915         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
15916         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
15917         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
15918         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
15919         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
15920         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
15921         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
15922         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
15923         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
15924         for EXTRA_SECTION_FUNCTIONS.
15925         * doc/install.texi: Update binutils requirements.
15926
15927 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
15928
15929         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
15930         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
15931         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
15932         size_t.
15933         (struct VEC): Use unsigned for num and alloc.
15934         * vec.c (struct vec_prefix): Likewise.
15935         (vec_o_reserve): Adjust.
15936
15937         * dbxout.c (dbxout_type): Fix printf format.
15938
15939         * tree.h (binfo_member): Remove.
15940         * tree.c (binfo_member): Remove.
15941
15942 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
15943
15944         * tree.h: Include vec.h
15945         (DEF_VEC_P(tree)): New type.
15946         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
15947         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
15948         (BINFO_LANG_SLOT): Remove.
15949         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
15950         (struct tree_binfo): Turn base_binfos into a trailing
15951         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
15952         (binfo_lang_slots): Remove.
15953         * tree.c (binfo_lang_slots): Remove.
15954         (make_tree_binfo_stat): Take a base binfo count, not a
15955         lang slot count.  Adjust.
15956         * Makefile.in (TREE_H): Add vec.h
15957         * alias.c (record_component_aliases): Adjust BINFO access.
15958         * dbxout.c (dbxout_type): Likewise.
15959         * dwarf2out.c (gen_member_die): Likewise.
15960         * sdbout.c (sdbout_one_type): Likewise.
15961         * tree-dump.c (deque_and_dump): Likewise.
15962         * config/i386/i386.c (classify_argument,
15963         contains_128bit_aligned_vector_p): Likewise.
15964         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
15965         * doc/c-tree.texi (Classes): Update BINFO documentation.
15966
15967 2004-07-20  Steven Bosscher  <stevenb@suse.de>
15968
15969         * c-common.h (check_case_value): Remove prototype.
15970         (c_add_case_label): Adjust prototype.
15971         * c-common.c (check_case_value): Make static.
15972         (check_case_bounds): New function.
15973         (c_add_case_label): Use it.  Take new argument orig_type.
15974         * c-typeck.c (struct c_switch): New orig_type field.
15975         (c_start_case): Set it.
15976         (do_case): Pass it to c_add_case_label.
15977         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
15978         cases from here.  Add the labels in reverse order.
15979         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
15980         (add_case_node): Return nothing, don't check for duplicate cases.
15981         Insert new case nodes in a list, not in an AVL tree.
15982         (expand_end_case_type): Don't turn a case tree into a case list.
15983         (case_tree2list): Remove.
15984         * tree.h (add_case_node): Adjust prototype.
15985
15986 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
15987
15988         * genattr.c (struct range, struct function_unit,
15989         write_units, extend_range, init_range): Remove them.
15990         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
15991         Output "#define INSN_SCHEDULING" here.
15992         * genattrtab.c (struct range, struct function_unit_op,
15993         struct function_unit, struct dimension, enum operator,
15994         operate_exp, expand_units, simplify_knowing,
15995         encode_units_mask, simplify_by_exploding,
15996         find_and_mark_used_attributes, unmark_used_attributes,
15997         add_values_to_cover, increment_current_value,
15998         test_for_current_value, simplify_with_current_value,
15999         simplify_with_current_value_aux, gen_unit,
16000         write_unit_name, write_function_unit_info,
16001         write_complex_function, write_toplevel_expr,
16002         find_single_value, extend_range): Remove.
16003         (write_attr_get): Do not handle common_av->value
16004         being an FFS.
16005         (struct attr_desc): Remove func_units_p and blockage_p.
16006         (write_attr_valueq): Do not handle them.
16007         (find_attr): Do not clear them.
16008         (make_internal_attr): Do not initialize them.
16009         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
16010         * sched-vis.c (init_target_units, insn_print_units,
16011         init_block_visualization, print_block_visualization,
16012         visualize_scheduled_insns, visualize_no_unit,
16013         visualize_stall_cycles, visualize_alloc,
16014         visualize_free, target_units, get_visual_tbl_length,
16015         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
16016         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
16017         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
16018         * haifa-sched.c (blockage_range, clear_units,
16019         schedule_unit, actual_hazard, potential_hazard,
16020         insn_unit, unit_last_insn, unit_tick,
16021         actual_hazard_this_instance, potential_hazard,
16022         schedule_unit, max_insn_queue_index_value): Remove.
16023         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
16024         max_insn_queue_index.
16025         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
16026         * doc/md.texi (Processor pipeline description): Remove
16027         references to old pipeline descriptions.
16028         (Automaton pipeline description): Merge with the above.
16029         (Old pipeline description, Comparison of the two descriptions):
16030         Remove.
16031
16032         * bt-load.c (migrate_btr_def): Remove references to
16033         use_pipeline_interface.
16034         * haifa-sched.c (insn_cost, schedule_insn,
16035         schedule_block, advance_one_cycle, sched_init,
16036         queue_to_ready, sched_finish): Likewise.
16037         * modulo-sched.c (sms_schedule, advance_one_cycle,
16038         ps_has_conflicts): Likewise.
16039         * sched-rgn.c (init_ready): Likewise.
16040         (debug_dependencies): Likewise, and remove an "if (1)".
16041         * target.h (use_dfa_pipeline_interface): Remove.
16042         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16043         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16044         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16045         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16046         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16047         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16048         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16049         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16050         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16051         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16052         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16053         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16054         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16055         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16056         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16057         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16058         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16059         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16060         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16061
16062 2004-07-19  Roger Sayle  <roger@eyesopen.com>
16063
16064         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
16065
16066 2004-07-19  Jeff Law  <law@redhat.com>
16067
16068         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
16069         (get_eq_expr_value): Use it.  Simplify slightly.
16070
16071 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
16072
16073         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
16074         (umulsidi3_32bit_r4000): Likewise.
16075
16076 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
16077
16078         * vec.h: Propagate location information properly.
16079         (VEC_T_iterate): Add result pointer parameter.
16080         (VEC_T_space): New.
16081         (VEC_T_reserve): Use it.
16082
16083 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
16084
16085         * Makefile.in (c-format.o): Depend on c-format.h.
16086         * c-format.h: New file.
16087         (struct format_char_info): Add CHAIN member.
16088         * c-format.c: Move some types and constants to c-format.h.
16089         (format_type_error): Set to -1.
16090         (struct function_format_info): Use an int for format_type.
16091         (decode_format_type): Return an int.  Return format_type_error
16092         on error.
16093         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
16094         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
16095         (scan_char_table, time_char_table, monetary_char_table): Initialize
16096         CHAIN to NULL.
16097         (n_format_types): New variable.
16098         (check_format_info_main): Handle CHAIN in format_char_info.
16099         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
16100         TARGET_N_FORMAT_TYPES.
16101         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
16102         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
16103         * config/sol2-c.c: New file.
16104         * config/t-sol2: New file.
16105         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
16106         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
16107         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
16108
16109         * doc/extend.texi (Target Format Checks): New section.
16110         (Function Attributes): Mention it.
16111         * doc/invoke.texi: Mention target format checks.
16112         * doc/sourcebuild.texi: Mention target format checks.
16113         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
16114         TARGET_FORMAT_TYPES.
16115
16116 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
16117
16118         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
16119         added.
16120         * config/s390/s390.c (regclass_map initializer): Register 35 added to
16121         ADDR_REGS.
16122         (load_multiple_operation, store_multiple_operation): Removed
16123         pointless sanity check.
16124         (s390_decompose_address): Added check for return_address_pointer_rtx.
16125         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
16126         (s390_return_address_offset): New function.
16127         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
16128         (FRAME_REGNO_P): Added check for register 35.
16129         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
16130         REG_ALLOC_ORDER): Appended entry for register 35.
16131         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
16132         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
16133         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
16134         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
16135         is eliminable using stack pointer or hard frame pointer.
16136         (REGISTER_NAMES): Added name for register 35.
16137         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
16138         pointless sanity check.
16139
16140 2004-07-19  Roger Sayle  <roger@eyesopen.com>
16141
16142         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
16143         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
16144         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
16145         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
16146         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
16147         (fold_relational_const): Tidy up handling of floating point
16148         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
16149         transformation; fold_relational_const assumes constant operands.
16150
16151 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
16152
16153         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
16154         directory.
16155
16156 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
16157
16158         * c-tree.h (struct c_expr): Define.
16159         (C_SET_EXP_ORIGINAL_CODE): Remove.
16160         (parser_build_binary_op, build_compound_expr): Update prototypes.
16161         * c-parse.in (%union): Add exprtype.
16162         (FUNC_NAME): Mark as ttype.
16163         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
16164         exprtype.
16165         (expr): Update.  Define directly in terms of expr_no_commas
16166         instead of using nonnull_exprlist.
16167         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
16168         offsetof_member_designator, typespec_nonreserved_nonattr, init,
16169         initval, designator, component_declarator,
16170         component_notype_declarator, enumerator, array_declarator,
16171         condition, exexpr, switch_statement, stmt_nocomp, stmt,
16172         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
16173         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
16174         where appropriate.
16175         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
16176         * c-common.c (c_common_truthvalue_conversion): Don't check
16177         C_EXP_ORIGINAL_CODE.
16178         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
16179         Don't use C_EXP_ORIGINAL_CODE.
16180         (default_conversion, default_function_array_conversion): Don't use
16181         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
16182         (internal_build_compound_expr): Merge into build_compound_expr.
16183         (build_compound_expr): Take two operands instead of a TREE_LIST.
16184         * objc/objc-act.c (get_super_receiver): Update calls to
16185         build_compound_expr.
16186
16187 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
16188
16189         * config/sh/sh.c (sh_use_dfa_interface): Remove.
16190         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
16191         hook_int_void_1.
16192         * config/sh/sh.md: Extract pipeline descriptions
16193         into separate files.
16194         * config/sh/sh1.md: New file, extracted from sh.md.
16195         * config/sh/sh4.md: New file, extracted from sh.md.
16196         * config/sh/shmedia.md: New file, extracted from sh.md
16197         and rewritten using new-style pipeline description.
16198
16199 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
16200
16201         * config/pa/pa.md: Delete the two remaining define_peephole
16202         patterns.
16203
16204 2004-07-18  Steven Bosscher  <stevenb@suse.de>
16205             Joseph S. Myers  <jsm@polyomino.org.uk>
16206
16207         * c-common.c (c_common_truthvalue_conversion): Don't warn if
16208         TREE_NO_WARNING is set.
16209
16210 2004-07-18  Roger Sayle  <roger@eyesopen.com>
16211
16212         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
16213         simplify_builtin_strncmp): Delete.
16214         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
16215         Change argument to accept an arglist instead of an "exp".  Assume
16216         that the return type is always integer_type_node.  Copy missing
16217         transformations from their now obsolete simplify_builtin_*
16218         equivalents.
16219         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
16220         fold_builtin_strcmp and fold_builtin_strncmp.
16221         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
16222         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
16223         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
16224
16225 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
16226
16227         * Makefile.in (tree-alias-common.o): Update dependencies.
16228
16229 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
16230
16231         * cfgloop.c (flow_loop_nested_p): Fix comment.
16232
16233 2004-07-17  Jason Merrill  <jason@redhat.com>
16234
16235         PR c++/16115
16236         * stor-layout.c (relayout_decl): New fn.
16237         * tree.h: Declare it.
16238         (DECL_BY_REFERENCE): New macro.
16239
16240 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
16241
16242         * libgcc2.c (__enable_execute_stack): New symbol.
16243         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
16244         and declare __enable_execute_stack.
16245         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
16246         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
16247         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
16248         ENABLE_EXECUTE_STACK.
16249         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
16250         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
16251         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
16252         ENABLE_EXECUTE_STACK.
16253         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16254         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
16255         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
16256         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
16257         ENABLE_EXECUTE_STACK.
16258         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16259         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16260         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16261         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16262         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
16263         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
16264         (sparc64_initialize_trampoline): Likewise.
16265         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
16266
16267 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
16268
16269         * langhooks.h (builtin_function): New langhook.
16270         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
16271         (LANG_HOOKS_INITIALIZER): Update.
16272         * tree.h (builtin_function): Remove.
16273         * doc/tm.texi: Update.
16274         * c-tree.h (builtin_function): Declare.
16275         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
16276         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
16277         config/ia64/ia64.c, config/iq2000/iq2000.c,
16278         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
16279         config/stormy16/stormy16.c: All callers of builtin_function
16280         changed.
16281
16282 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
16283
16284         PR target/16556
16285         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
16286         Remove white space after the backslash.
16287
16288 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
16289
16290         PR rtl-optimization/16294
16291         * resource.c (return_insn_p): New predicate.
16292         (mark_target_live_regs): Use it.  Special-case return insns.
16293         (init_resource_info): Use it.  Don't scan the epilogue past
16294         a return.
16295
16296 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16297
16298         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
16299         destroy dominance information.
16300         * passes.c (rest_of_handle_loop2):  Free dominance information.
16301         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
16302         jump threading.
16303         (thread_jumps): Update dominance information and remove unreachable
16304         blocks.
16305         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
16306         information and remove the unreachable block.
16307
16308 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
16309
16310         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
16311
16312 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
16313
16314         * doc/sourcebuild.texi: Remove libf2c entry.
16315
16316 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
16317
16318         * config/i386/i386.md (movv16qi_internal): Fix typo.
16319
16320 2004-07-17  Steven Bosscher  <stevenb@suse.de>
16321
16322         * final.c (final_scan_insn): Fix broken commit from previous
16323         patch.
16324
16325 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
16326
16327         * c-typeck.c (parser_build_binary_op): Condition warnings for
16328         X<=Y<=Z on -Wparentheses instead of -Wextra.
16329         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
16330         supported for C only.
16331
16332 2004-07-17  Steven Bosscher  <stevenb@suse.de>
16333
16334         * cfgcleanup.c (try_simplify_condjump): Don't remove line
16335         notes to avoid unreachable code warnings.
16336         * toplev.c (backend_init): Don't emit line notes for
16337         unreachable code warnings.
16338
16339         * combine.c (distribute_notes): Don't distribute a
16340         REG_VTABLE_REF note.
16341         * final.c (final_scan_insn): Don't handle it.
16342         * rtl.c (reg_note_name): Remove it.
16343         * rtl.h (enum reg_node): Dito.
16344
16345         * emit-rtl.c (force_line_numbers, restore_line_number_status):
16346         Remove.
16347         * rtl.h (force_line_numbers, restore_line_number_status):
16348         Remove prototypes.
16349
16350         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
16351         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
16352         (using_eh_for_cleanups): Also moved here.
16353
16354         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
16355         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
16356         to expand_start_case and add_case_node.
16357         * stmt.c (struct nesting): Cleanup unused fields condition_code,
16358         last_unconditional_cleanup, nominal_type, printname, and
16359         line_number_status.
16360         (struct fixup_goto): Remove.
16361         (struct stmt_status): Remove x_goto_fixup_chain field.
16362         (goto_fixup_chain): Remove.
16363         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
16364         pushcase, pushcase_range): Remove.
16365         (expand_start_bindings_and_block): Don't set unused fields in
16366         the nesting stack.
16367         (expand_start_case, add_case_node): Cleanup unused formal arguments.
16368         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
16369         instead of emit_jump_if_reachable.
16370         (emit_case_nodes): Likewise.
16371         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
16372         static.
16373         (update_eh_label): Work around left-over exception handing regions.
16374         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
16375         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
16376         (pass_cleanup_cfg_post_optimizing): New pass.
16377         (init_tree_optimization_passes): Run the new pass after all
16378         optimizations.
16379         * tree.h (pushcase, pushcase_range): Remove prototypes.
16380         (expand_start_case, add_case_node): Update prototypes.
16381
16382 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
16383
16384         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
16385
16386 2004-07-16  Richard Henderson  <rth@redhat.com>
16387
16388         * builtins.c (std_expand_builtin_va_arg): Remove.
16389         (expand_builtin_va_arg): Remove.
16390         * expr.h: Don't declare them.
16391         * gimplify.c (mark_decls_volatile_r): Remove.
16392         (copy_if_shared_r): Don't call it.
16393         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
16394         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
16395         * gimple-low.c (lower_stmt): Likewise.
16396         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
16397         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
16398         * tree-ssa-operands.c (get_expr_operands): Likewise.
16399         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
16400         EXPAND_BUILTIN_VA_ARG.
16401         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
16402         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
16403         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
16404         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
16405
16406 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
16407
16408         * tree-ssa-pre.c (insert_aux): Break out if we hit
16409         a critical edge.
16410
16411 2004-07-16  Richard Henderson  <rth@redhat.com>
16412
16413         * basic-block.h (remove_fake_exit_edges): Declare.
16414         * cfganal.c (remove_fake_predecessors): Rename from
16415         remove_fake_successors; iterate over predecessors.
16416         (remove_fake_exit_edges): New.
16417         * cfgcleanup.c (try_optimize_cfg): Use it.
16418         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
16419         * predict.c (estimate_probability): Likewise.
16420         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
16421         * tree-cfg.c (make_edges): Likewise.
16422         * tree-ssa-pre.c (fini_pre): Likewise.
16423         * profile.c (instrument_edges): Don't remove_fake_edges.
16424         (branch_prob): Do it earlier here.
16425
16426 2004-07-16  Richard Henderson  <rth@redhat.com>
16427
16428         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
16429         switchification wrt CONSTRUCTOR.  Document the reason.
16430
16431 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
16432
16433         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
16434         that prevented descriptive __mf_check source location strings.
16435
16436 2004-07-16  Richard Henderson  <rth@redhat.com>
16437
16438         * tree-def (WITH_SIZE_EXPR): New.
16439         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
16440         * expr.c (expand_expr_real_1): Likewise.
16441         * gimplify.c (maybe_with_size_expr): New.
16442         (gimplify_arg, gimplify_modify_expr): Use it.
16443         (gimplify_modify_expr_to_memcpy): Take size parameter.
16444         (gimplify_modify_expr_to_memset): Likewise.
16445         (gimplify_expr): Handle WITH_SIZE_EXPR.
16446         * tree-alias-common.c (find_func_aliases): Likewise.
16447         * tree-eh.c (tree_could_trap_p): Likewise.
16448         (tree_could_throw_p): Likewise.
16449         * tree-gimple.c (is_gimple_lvalue): Likewise.
16450         (get_call_expr_in): Likewise.
16451         * tree-inline.c (estimate_num_insns_1): Likewise.
16452         (expand_calls_inline): Likewise.
16453         * tree-nested.c (convert_call_expr): Likewise.
16454         * tree-pretty-print.c (dump_generic_node): Likewise.
16455         * tree-sra.c (sra_walk_expr): Likewise.
16456         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
16457         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
16458         * tree-ssa-operands.c (get_expr_operands): Likewise.
16459         * tree-tailcall.c (find_tail_calls): Likewise.
16460
16461         * calls.c (expand_call): Reset old_stack_allocated after
16462         calling emit_stack_restore.
16463
16464 2004-07-16  Richard Henderson  <rth@redhat.com>
16465
16466         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
16467         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
16468         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
16469         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
16470         copy_res_decl_for_inlining.
16471
16472         * tree-inline.c (declare_return_variable): New modify_dest argument.
16473         Use it as the return value, when possible or manditory.  Handle
16474         TREE_ADDRESSABLE types.
16475         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
16476         replacement of CALL_EXPR.
16477
16478 2004-07-16  Richard Henderson  <rth@redhat.com>
16479
16480         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
16481         * gimple-low.c (expand_var_p): Don't check it.
16482         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
16483         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
16484         * tree-ssa-operands.c (add_stmt_operand): Likewise.
16485         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
16486         (find_referenced_vars): Don't call them.
16487         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
16488
16489 2004-07-16  Richard Henderson  <rth@redhat.com>
16490
16491         * function.c (pass_by_reference): True for all variable sized types.
16492
16493 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
16494
16495         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
16496         * tree-pretty-print.c: Include tree-chrec.h.
16497         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
16498         and POLYNOMIAL_CHREC nodes.
16499
16500 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
16501
16502         * builtins.c (expand_builtin_stpcpy): Do not create temporary
16503         reg with VOIDmode.
16504
16505 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
16506
16507         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
16508
16509 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
16510
16511         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
16512         to BASE_REGNUM.
16513         * config/s390/s390.c: Likewise.
16514         * config/s390/s390.h: Likewise.
16515
16516 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16517
16518         * config/mips/mips.md (addsi3, adddi3): Remove special handling
16519         of $sp adds.  Remove REGNO checks from mips16 patterns.
16520
16521 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16522
16523         * config/mips/mips.md: Delete outdated comment.
16524
16525 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16526
16527         * config/mips/mips.c (get_float_compare_codes): Delete.
16528         (mips_emit_compare): New function, mostly extracted from
16529         get_float_compare_codes and gen_conditional_branch.
16530         (gen_conditional_branch, gen_conditional_move): Use it.
16531
16532 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
16533
16534         * genautomata.c (add_vect): Speedup by using integers as
16535         bit-vectors for walking through the comb_vect and finding
16536         a match.
16537
16538 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16539
16540         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
16541         operand is an uns_arith_operand; use subtraction otherwise.
16542         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
16543         not just arith_operands.
16544
16545 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16546
16547         * config/mips/mips-protos.h (gen_int_relational): Delete.
16548         (mips_emit_scc): Declare.
16549         * config/mips/mips.c (internal_test): Delete.
16550         (sle_operand, sleu_operand): New functions.
16551         (map_test_to_internal_test, gen_int_relational): Delete.
16552         (mips_emit_binary, mips_relational_operand_ok_p)
16553         (mips_emit_int_relational, mips_zero_if_equal)
16554         (mips_emit_scc): New functions.
16555         (gen_conditional_branch): Rework to use mips_emit_int_relational.
16556         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
16557         sleu_operand.
16558         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
16559         (sltu, sleu): Use mips_emit_scc.
16560         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
16561         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
16562         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
16563
16564 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16565
16566         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
16567
16568 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16569
16570         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
16571         (*sne_[sd]i): Likewise sne_[sd]i_zero.
16572         (*sgt_[sd]i): ...and sgt_[sd]i.
16573         (*slt_[sd]i): ...and slt_[sd]i.
16574         (*sgtu_[sd]i): ...and sgtu_[sd]i.
16575         (*sltu_[sd]i): ...and sltu_[sd]i.
16576         (*sleu_[sd]i): ...and sleu_[sd]i_const.
16577         Name previously unnamed mips16 patterns.  Formatting fixes.
16578
16579 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16580
16581         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
16582         (branch_type): Delete.
16583         (gen_conditional_branch, gen_conditional_move)
16584         (mips_gen_conditional_trap): Update after name change.  Get the
16585         comparison mode from cmp_operands[0].
16586         * config/mips/mips.h (cmp_type, branch_type): Delete.
16587         (cmp_operands): Renamed from branch_cmp.
16588         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
16589         name change.  Don't set branch_type.
16590         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
16591         mode class of cmp_operands[0] rather than branch_type.  Update after
16592         name change.
16593
16594 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16595
16596         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
16597         of 0...255 to 0 when inside a SET.
16598
16599 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16600
16601         * config/mips/mips.md: Remove mips16 define_peepholes.
16602
16603 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
16604
16605         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
16606         (fini_pre): Remove fake edges.
16607
16608 2004-07-15  Richard Henderson  <rth@redhat.com>
16609
16610         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
16611         (get_indirect_ref_operands, get_call_expr_operands): ... these.
16612
16613 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
16614
16615         * vec.h (VEC_address): New function.
16616
16617 2004-07-14  Jason Merrill  <jason@redhat.com>
16618
16619         PR middle-end/15885
16620         * gimplify.c (gimplify_arg): New fn, split out from...
16621         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
16622
16623 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
16624
16625         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
16626         generate code which is generated by pushqi1 now
16627         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
16628
16629 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
16630
16631         * combine.c (simplify_set): match the mode of the constant 0 with
16632         the tested operand to match the compare behaviour and the
16633         simplify_relational_operation() expectation.
16634
16635 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
16636
16637         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
16638         ("bordered"): Same.
16639
16640 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
16641
16642         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
16643         unconditionally.
16644         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
16645
16646 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
16647
16648         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
16649         calls in mips16 code.
16650
16651 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
16652
16653         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
16654         the destination of the li as well as for the neg.
16655
16656 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
16657
16658         g++/15861
16659         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
16660         * cgraph.h: Update declaration.
16661         * c-decl.c (build_cdtor): Update call with default priority.
16662         * coverage.c (create_coverage): Ditto.
16663         * tree-mudflap.c (mf_init_fndecl): New tree.
16664         (mudflap_init): Set it.
16665         (mudflap_register_call): Arrange to call __mf_init before the first
16666         __mf_register call.
16667         (mudflap_finish_file): Mark the mudflap static initializer as extra
16668         high priority, to beat all C++ static constructors.
16669
16670 2004-07-15  Jeff Law  <law@redhat.com>
16671
16672         * loop.c (check_insn_for_givs): Restore check for code labels that was
16673         accidentally deleted by a recent checkin.
16674
16675 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
16676
16677         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
16678         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
16679
16680 2004-07-14  Richard Henderson  <rth@redhat.com>
16681
16682         * print-tree.c (print_node): Fix casts last change.
16683
16684 2004-07-15  Paul Brook  <paul@codesourcery.com>
16685
16686         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
16687         to TARGET_UNWIND_INFO.
16688         * except.c (output_function_exception_table): Ditto.
16689         * except.h: Ditto.
16690         * opts.c (decode_options): Ditto.
16691         * passes.c (rest_of_handle_final): Ditto.
16692         * final.c (final_start_function): Ditto.
16693         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
16694         target hook.
16695         * targhooks.h (default_unwind_emit): Declare.
16696         * targhooks.c (default_unwind_emit): New function.
16697         * target-def.h: Define and use TARGET_UNWIND_EMIT.
16698         * target.h (struct gcc_target): Add unwind_emit.
16699         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
16700         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
16701         Remove IA64_UNWIND_EMIT.
16702         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
16703
16704 2004-07-14  Richard Henderson  <rth@redhat.com>
16705
16706         * print-tree.c (print_node): Handle SSA_NAME.
16707
16708 2004-07-14  James E Wilson  <wilson@specifixinc.com>
16709
16710         PR target/16325
16711         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
16712         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
16713
16714 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
16715
16716         * expr.c (expand_assignment): Reenable bitfield += optimizations.
16717         Use alias set 0 for memory, do proper mode calculations and adjust
16718         address for memories.
16719
16720 2004-07-14  Per Bothner  <per@bothner.com>
16721
16722         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
16723         structure with extra column field.
16724         * tree.c (expand_location):  Also fill in column field.
16725         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
16726         gets confused by the two conditionally-compiled definitions.
16727
16728 2004-07-14  Eric Christopher  <echristo@redhat.com>
16729
16730         * calls.c (expand_call): Fix typo in comment.
16731
16732 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
16733
16734         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
16735         comparision of TFmode.
16736
16737 2004-07-14  Richard Henderson  <rth@redhat.com>
16738
16739         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
16740         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
16741         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
16742         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
16743         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
16744         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
16745         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
16746         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
16747         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
16748
16749 2004-07-14  Mike Stump  <mrs@apple.com>
16750
16751         * config/darwin.h (WINT_TYPE): Define to be int to match
16752         system header files.
16753
16754 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
16755
16756         * config/xtensa/xtensa.c (function_arg_advance): Check for args
16757         that must be passed in the stack.
16758         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
16759         arguments if the size is not a constant.
16760
16761 2004-07-14  Per Bothner  <per@bothner.com>
16762
16763         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
16764         instead of EXPR_LOCUS in a boolean context, which is always true
16765         if --enable-mapped-location.
16766         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
16767
16768 2004-07-14  Richard Henderson  <rth@redhat.com>
16769
16770         * dominance.c (struct dom_info): Add fake_exit_edge.
16771         (init_dom_info): Allocate it.
16772         (free_dom_info): Free it.
16773         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
16774         in two passes.
16775         (calc_idoms): Honor fake_exit_edge.
16776
16777 2004-07-13  Jason Merrill  <jason@redhat.com>
16778
16779         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
16780         (rhs_test_for): New fn.
16781         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
16782         * tree-gimple.h: Declare them.
16783         * gimplify.c (gimplify_modify_expr): Use the new fns.
16784
16785 2004-07-14  Richard Henderson  <rth@redhat.com>
16786
16787         * config/arm/arm-protos.h (arm_va_arg): Remove.
16788         * config/arm/arm.c (arm_va_arg): Remove.
16789         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
16790         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
16791
16792 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16793
16794         * pa.c (fix_range): New function to mark a range(s) of registers as
16795         fixed registers.
16796         (override_options): Call fix_range if the -mfixed-range option string
16797         is not empty.
16798         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
16799         * doc/invoke.texi (-mfixed-range): Document new option.
16800
16801 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
16802
16803         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
16804         for TARGET_64BIT.
16805         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
16806
16807 2004-07-14  Roger Sayle  <roger@eyesopen.com>
16808
16809         * expmed.c (expand_sdiv_pow2): New function to expand signed division
16810         by a positive power of two, split out from expand_divmod.  Provide
16811         an alternate implementation when shifts are expensive.  Lower the
16812         threshold for using a branchless implementation to BRANCH_COST >= 2.
16813         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
16814
16815 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16816
16817         * tree-dfa.c (make_rename_temp): *Really* work just
16818         like create_tmp_var if called while outside SSA form.
16819
16820 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
16821
16822         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
16823         for division by zero.
16824         ("umodsi3"): Likewise.
16825
16826 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
16827
16828         * config/mips/mips.c (mips_output_move): When generating mips16 code,
16829         force loads of negative constants to be split.
16830         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
16831         Generalize SImode li/neg splitter to cope with other modes.
16832
16833 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16834
16835         * expmed.c: Remove more references to QUEUED in the comments.
16836         * expr.c: Likewise.
16837
16838 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
16839
16840         Revert:
16841         2004-07-13  Richard Henderson  <rth@redhat.com>
16842         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
16843         correctly.
16844
16845 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16846
16847         * tree-dfa.c (make_rename_temp): Work just like
16848         create_tmp_var if called while outside SSA form.
16849
16850 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16851
16852         * expr.c (enqueue_insn, finish_expr_for_function,
16853         protect_from_queue, queued_subexp_p, mark_queue,
16854         emit_insns_enqueued_after_mark, emit_queue,
16855         expand_increment): Remove.
16856         (store_constructor): Expand increment as an assignment.
16857         (expand_expr_real_1 <case PREINCREMENT_EXPR,
16858         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
16859         case POSTDECREMENT_EXPR>): Abort.
16860         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
16861         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
16862         protect_from_queue, emit_queue, queued_subexp_p): Remove.
16863         * function.h (pending_chain, x_pending_chain): Remove.
16864         * rtl.def (QUEUED): Remove.
16865
16866         * emit-rtl.c (copy_insn_1, copy_most_rtx,
16867         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
16868         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
16869         encode_units_mask): Likewise.
16870         * local-alloc.c (equiv_init_varies_p): Likewise.
16871         * rtl.c (copy_rtx): Likewise.
16872         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
16873         * simplify-rtx.c (simplify_gen_subreg): Likewise.
16874         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
16875
16876         * builtins.c (expand_builtin, expand_builtin_apply,
16877         expand_builtin_mathfn, expand_builtin_mathfn_2,
16878         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
16879         Remove calls to emit_queue and protect_from_queue.
16880         * calls.c (expand_call, precompute_arguments,
16881         precompute_register_parameters, rtx_for_function_call,
16882         store_one_arg): Likewise.
16883         * dojump.c (do_compare_and_jump, do_jump): Likewise.
16884         * explow.c (memory_address): Likewise.
16885         * expmed.c (clear_by_pieces_1, clear_storage,
16886         clear_storage_via_libcall, emit_group_load,
16887         emit_group_store, emit_store_flag,
16888         expand_expr_real_1, store_by_pieces,
16889         store_constructor, store_expr, try_casesi,
16890         try_tablejump): Likewise.
16891         * function.c (expand_pending_sizes): Likewise.
16892         * optabs.c (emit_cmp_and_jump_insns,
16893         emit_conditional_add, emit_conditional_move,
16894         expand_fix, expand_float, prepare_cmp_insn): Likewise.
16895         * stmt.c (emit_case_bit_tests,
16896         expand_asm_expr, expand_computed_goto,
16897         expand_decl_init, expand_end_case_type,
16898         expand_end_stmt_expr, expand_expr_stmt_value,
16899         expand_return, expand_start_case,
16900         optimize_tail_recursion): Likewise.
16901         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
16902         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
16903
16904 2004-07-14  Ben Elliston  <bje@au.ibm.com>
16905
16906         * vec.h: Comment fix.
16907
16908 2004-07-13  Richard Henderson  <rth@redhat.com>
16909
16910         * target.h (struct gcc_target): Add calls.pass_by_reference.
16911         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
16912         * function.c (pass_by_reference): Use the hook.
16913         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
16914         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
16915         (hook_pass_by_reference_must_pass_in_stack): New.
16916         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
16917         (alpha_pass_by_reference): New.
16918         (TARGET_PASS_BY_REFERENCE): New.
16919         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16920         * config/arc/arc.c (arc_pass_by_reference): New.
16921         (TARGET_PASS_BY_REFERENCE): New.
16922         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16923         (FUNCTION_ARG_CALLEE_COPIES): True.
16924         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
16925         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
16926         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
16927         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16928         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16929         * config/cris/cris.c (cris_pass_by_reference): New.
16930         (TARGET_PASS_BY_REFERENCE): New.
16931         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
16932         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
16933         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16934         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
16935         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16936         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
16937         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
16938         (frv_function_arg_pass_by_reference): Remove.
16939         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16940         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
16941         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
16942         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
16943         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16944         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
16945         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
16946         (ia64_pass_by_reference): Rename from
16947         ia64_function_arg_pass_by_reference.
16948         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16949         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16950         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
16951         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
16952         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
16953         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16954         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16955         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
16956         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
16957         (m32r_pass_by_reference): Adjust prototype.  Make static.
16958         Handle mode sizes correctly.
16959         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16960         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
16961         (m68hc11_function_arg_pass_by_reference): Remove.
16962         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16963         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16964         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
16965         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16966         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
16967         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
16968         (mips_va_arg): Use pass_by_reference.
16969         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
16970         Handle mode sizes correctly.
16971         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16972         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16973         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
16974         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
16975         (mmix_pass_by_reference): Rename from
16976         mmix_function_arg_pass_by_reference.
16977         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16978         (FUNCTION_ARG_CALLEE_COPIES): True.
16979         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
16980         (mn10300_pass_by_reference): New.
16981         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16982         (FUNCTION_ARG_CALLEE_COPIES): True.
16983         * config/pa/pa.c (pa_pass_by_reference): New.
16984         (TARGET_PASS_BY_REFERENCE): New.
16985         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16986         (FUNCTION_ARG_CALLEE_COPIES): True.
16987         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
16988         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
16989         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
16990         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16991         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
16992         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
16993         (s390_pass_by_reference): Rename from
16994         s390_function_arg_pass_by_reference.
16995         (s390_function_arg_advance): Don't query pass-by-ref.
16996         (s390_function_arg): Likewise.
16997         (s390_gimplify_va_arg): Use pass_by_reference.
16998         (s390_call_saved_register_used): Likewise.
16999         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17000         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
17001         (shcompact_byref, sh_pass_by_reference): New.
17002         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17003         (SHCOMPACT_BYREF): Remove.
17004         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
17005         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
17006         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
17007         (sparc_gimplify_va_arg): Use pass_by_reference.
17008         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17009         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17010         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
17011         (v850_pass_by_reference): New.
17012         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17013         (FUNCTION_ARG_CALLEE_COPIES): True.
17014         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
17015         FUNCTION_ARG_PASS_BY_REFERENCE docs.
17016
17017 2004-07-14  Richard Henderson  <rth@redhat.com>
17018             Richard Sandiford  <rsandifo@redhat.com>
17019
17020         * config/mips/mips-protos.h (mips_va_arg): Delete.
17021         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
17022         * config/mips/mips.c: Include tree-gimple.h.
17023         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
17024         (mips_arg_info): Remove special handling of must_pass_in_stck args.
17025         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
17026         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
17027
17028 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
17029
17030         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
17031         arguments for COND_EXPR in big-endian adjustment code.
17032
17033 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17034
17035         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
17036         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
17037         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
17038         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
17039
17040 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
17041
17042         PR tree-optimization/16443
17043         * tree-ssa-alias.c: Add more description for
17044         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
17045         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
17046         clobbering of call-clobbered and addressable variables.  If
17047         there are any before aliases have been computed, add them.
17048
17049 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
17050
17051         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
17052         verification.
17053
17054 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
17055
17056         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
17057         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
17058         to the same type.
17059
17060 2004-07-13  Per Bothner  <per@bothner.com>
17061
17062         * collect2.c (main):  Handle --no-demangle and --demangle flags.
17063
17064 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
17065
17066         * Makefile.in (OBJS-common): Add tree-data-ref.o.
17067         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
17068         (tree-data-ref.o): New rule.
17069         * lambda.h: New file.
17070         * tree-data-ref.c: New file.
17071         * tree-data-ref.h: New file.
17072         * tree.c (int_cst_value, tree_fold_gcd): New functions.
17073         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
17074
17075 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17076
17077         PR target/13926
17078         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
17079         * config/sparc/sparc.c (output_ubranch): New function.
17080         * config/sparc/sparc.md (jump pattern): Use it.
17081
17082 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17083
17084         PR target/16494
17085         * config/sparc/sparc.c (output_cbranch): Properly guard
17086         the code handling far branches with TARGET_V9.
17087         * config/sparc/sparc.md (length attribute): Document the
17088         side-effect of having a length greater or equal to 3.
17089
17090 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17091             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
17092
17093         PR target/15186
17094         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
17095         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
17096
17097 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17098             Martin Sebor  <sebor@roguewave.com>
17099
17100         PR target/12602
17101         * doc/invoke.texi (SPARC options): Document -threads
17102         and -pthreads on Solaris.
17103
17104 2004-07-13  Richard Henderson  <rth@redhat.com>
17105
17106         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
17107         by reference.
17108         (ind_gimplify_va_arg_expr): Remove.
17109         * tree.h (ind_gimplify_va_arg_expr): Remove.
17110         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
17111         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
17112         argsp to be null.
17113
17114         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
17115         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
17116         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
17117         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
17118         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
17119
17120 2004-07-13  Richard Henderson  <rth@redhat.com>
17121
17122         * function.c (pass_by_reference): New.
17123         (assign_parm_find_data_types): Use it.
17124         * calls.c (initialize_argument_information): Likewise.
17125         (emit_library_call_value_1): Likewise.
17126         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17127         * function.h (pass_by_reference): Declare.
17128
17129 2004-07-13  Richard Henderson  <rth@redhat.com>
17130
17131         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
17132         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
17133         * expr.h (MUST_PASS_IN_STACK): Remove.
17134         * system.h (MUST_PASS_IN_STACK): Poison.
17135         * tree.h (must_pass_in_stack_var_size): Declare.
17136         (must_pass_in_stack_var_size_or_pad): Declare.
17137         * calls.c (must_pass_in_stack_var_size): New.
17138         (must_pass_in_stack_var_size_or_pad): Rename from
17139         default_must_pass_in_stack.
17140         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
17141         (TARGET_MUST_PASS_IN_STACK): New.
17142         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
17143         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
17144         (TARGET_MUST_PASS_IN_STACK): New.
17145         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
17146         * config/frv/frv.c (frv_must_pass_in_stack): New.
17147         (TARGET_MUST_PASS_IN_STACK): New.
17148         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
17149         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
17150         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
17151         (ix86_must_pass_in_stack): Make static.
17152         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
17153         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
17154         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
17155         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
17156         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
17157         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
17158         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
17159         (mcore_must_pass_on_stack): Remove.
17160         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
17161         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
17162         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
17163         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
17164         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
17165         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
17166         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
17167         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
17168         (TARGET_MUST_PASS_IN_STACK): New.
17169         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
17170         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
17171         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
17172         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
17173         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
17174         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
17175         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
17176         MUST_PASS_IN_STACK.
17177
17178         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
17179         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
17180         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
17181         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
17182         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
17183         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
17184         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
17185         config/xtensa/xtensa.c: Use target hook.
17186
17187 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
17188
17189         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
17190         * configure: Rebuilt.
17191
17192 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
17193
17194         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
17195         * config/mips/mips.h (mips_reg_names): Don't declare.
17196         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
17197         (TARGET_NAME_REGS): Delete.
17198         (TARGET_SWITCHES): Remove -mrnames.
17199         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
17200         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
17201         in REGISTER_NAMES.
17202         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
17203         (override_options): Remove handling of TARGET_NAME_REGS.
17204
17205 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
17206
17207         * config/mips/mips.h (TARGET_*): Boolify.
17208
17209 2004-07-12  Nick Clifton  <nickc@redhat.com>
17210
17211         * config.gcc: Add sh-*-symbianelf target.
17212         * config/sh/sh.c: Add new target macros:
17213         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
17214         TARGET_CXX_IMPORT_EXPORT_CLASS.
17215         (sh_file_start): Create a definition of the .directive section.
17216         (sh_attribute): Add dllimport and dllexport attributes.
17217         * config/sh/symbian-pre.h: New file.
17218         * config/sh/symbian-post.h: New file.
17219         * config/sh/symbian.c: New file. Contains Symbian specific
17220         functions.
17221         * config/sh/sh-protos.h: Add prototypes for new functions
17222         provided by symbian.c.
17223         * config/sh/t-symbian: New file.
17224         * doc/extend.texi: Document support for dllimport and dllexport
17225         attributes by the sh-symbianelf target.
17226
17227 2004-07-12  James E Wilson  <wilson@specifixinc.com>
17228
17229         * Makefile.in (AR): Use @AR@ not ar.
17230         (NM): New.
17231         (AR_FOR_TARGET): Use $(AR) not ar for native.
17232         (NM_FOR_TARGET): Use $(NM) not nm for native.
17233         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
17234         * configure: Regenerate.
17235
17236 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
17237
17238         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
17239         special case.
17240         (ashldi3_sp64): Likewise.
17241
17242 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17243
17244         PR target/16477
17245         * pa.c (function_arg): Update comment.
17246         * pa.h (BLOCK_REG_PADDING): Define.
17247
17248 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17249
17250         PR tree-optimization/16461
17251         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
17252         arguments of phi nodes.
17253
17254 2004-07-12  Devang Patel  <dpatel@apple.com>
17255
17256         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
17257
17258 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
17259
17260         * function.c (expand_function_start): Ensure r_save is in Pmode.
17261         * calls.c (prepare_call_address): Ensure static_chain_value is
17262         in Pmode.
17263         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
17264         r_save_area are in Pmode.
17265         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
17266         fnaddr, and static_chain are in Pmode.
17267
17268 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
17269
17270         PR target/16445
17271         * config/ia64/ia64.c (bundling): Don't count ignored insns.
17272
17273 2004-07-12  Richard Henderson  <rth@redhat.com>
17274
17275         * target.h (struct gcc_target): Move gimplify_va_arg_expr
17276         next to build_builtin_va_list.
17277         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
17278         * builtins.c (gimplify_va_arg_expr): Likewise.
17279         * gimplify.c (copy_if_shared_r): Likewise.
17280
17281 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
17282
17283         * passes.c (rest_of_decl_compilation): Don't defer call of
17284         assemble_variable if its DECL_RTL is already set.
17285
17286 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
17287
17288         * cfgloop.h (struct loop): Add nb_iterations field.
17289         (current_loops): Declare.
17290         * tree-chrec.c (chrec_not_analyzed_yet,
17291         chrec_dont_know, chrec_known, count_ev_in_wider_type,
17292         chrec_contains_symbols_defined_in_loop): Remove the temporary
17293         hooks.
17294         * tree-flow-inline.h (loop_containing_stmt): New function.
17295         * tree-scalar-evolution.c: Add implementation.
17296         * tree-scalar-evolution.h: Add declarations.
17297
17298 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
17299
17300         PR rtl-optimization/15921
17301         * Makefile.in (global.o): Add recog.h.
17302
17303         * global.c (recog.h): Add the include-clause.
17304         (bb_info): New member earlyclobber.
17305         (allocate_bb_info, free_bb_info): Initialize/finish the new
17306         member.
17307         (earlyclobber_regclass, earlyclobber_regclass_length): The new
17308         global variables.
17309         (check_earlyclobber, regclass_intersect,
17310         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
17311         New functions.
17312         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
17313         (make_accurate_live_analysis): Modify pavin.
17314
17315 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
17316
17317         * tree-cfg.c (find_taken_edge): Statically compute the truth
17318         value of a predicate comparing an SSA_NAME to itself.
17319
17320 2004-07-12  Roger Sayle  <roger@eyesopen.com>
17321
17322         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
17323         rs6000 doesn't have shift-and-add or shift-and-sub instructions
17324         by returning the cost of a multiplication plus an addition.
17325
17326 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
17327
17328         PR tree-optimization/14107
17329         * gimplify.c (gimplify_return_expr): Accept a
17330         RETURN_EXPR with an error argument.
17331         * tree-optimize.c (init_tree_optimization_passes):
17332         Run pass_warn_function_return at -O0.
17333
17334 2004-07-12  Roger Sayle  <roger@eyesopen.com>
17335
17336         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
17337         index entry.
17338
17339 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
17340
17341         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
17342         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
17343         * config/mips/3000.md: Add copyright notice.  Remove automota and
17344         function units; use generic ones instead.  Only define reservations
17345         for things that are different from generic.md.  Extend each clause
17346         to include r3900.
17347         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
17348         * config/mips/mips.md: Include them. Remove define_function_units.
17349         (alu, imuldiv): New automata and units.
17350
17351 2004-07-12  Ben Elliston  <bje@au.ibm.com>
17352
17353         * doc/invoke.texi (Optimize Options): Document -frename-registers
17354         not being enabled by default at -O3.
17355
17356 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17357
17358         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
17359         floating point additions, to keep real immediate constant positive.
17360         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
17361         into X + C, and leave positive real constants as X - C.
17362
17363 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17364
17365         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
17366
17367 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17368
17369         PR tree-optimization/15654
17370         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
17371
17372 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17373
17374         * builtins.c (fold_builtin_fputs): Don't bother converting the
17375         return type to integer_type_node, as we've already checked that
17376         the result will be ignored.
17377
17378         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
17379         that signed addition, subtraction, multiplication, division,
17380         remainder, negation and absolute value may potentially trap.
17381
17382         * fold-const.c (fold_ignored_result): New function to strip
17383         non-side-effecting tree nodes from an expression whose result
17384         is ignored.
17385         (fold_convert): Call fold_ignored_result when casting a value
17386         to VOID_TYPE.
17387         (omit_one_operand):  Call fold_ignored_result on the "omitted"
17388         operand when building a COMPOUND_EXPR.
17389         (pedantic_omit_one_operand): Likewise.
17390         * tree.h (fold_ignored_result): Prototype here.
17391         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
17392         when we're going to ignore the result.
17393
17394 2004-07-11  Richard Henderson  <rth@redhat.com>
17395
17396         PR tree-opt/16383
17397         * tree-ssa-ccp.c (fold_stmt_r): Split out...
17398         * tree.c (fields_compatible_p, find_compatible_field): ... new.
17399         * tree.h (fields_compatible_p, find_compatible_field): Declare.
17400         * tree-sra.c (sra_hash_tree): Hash fields by offset.
17401         (sra_elt_eq): Use fields_compatible_p.
17402         (generate_one_element_ref): Use find_compatible_field.
17403
17404 2004-07-11  Richard Henderson  <rth@redhat.com>
17405
17406         PR tree-opt/16422
17407         * tree-sra.c (generate_one_element_init): New.
17408         (generate_element_init): Use it.
17409         (scalarize_init): Push/pop gimplify context around it.
17410         (find_new_referenced_vars_1, find_new_referenced_vars): New.
17411         * gimplify.c (gimplify_expr): Allow SSA_NAME.
17412
17413 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17414
17415         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
17416         combine.c's combine_insn_cost.
17417         * rtl.h (insn_rtx_cost): Prototype here.
17418         * combine.c (combine_insn_cost): Delete function.
17419         (combine_validate_cost): Update callers of combine_insn_cost to
17420         call insn_rtx_cost instead.
17421         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
17422         requesting the rtx_cost of call and/or jump instructions.
17423
17424         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
17425         rtx_cost directly.  Don't request/use the cost of call or jump
17426         instructions.  Return -1 if the cost of any instruction can't be
17427         determined (or the BB contains a function call).
17428         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
17429         -1 (i.e. can't determine the cost of any instruction or the basic
17430         block contains a subroutine call).
17431         (find_if_case_2): Likewise.
17432
17433 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17434
17435         * rs6000.c (struct processor_costs): Change semantics of fields to
17436         include the COST_N_INSNS scaling, and update all initializers.
17437         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
17438         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
17439         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
17440         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
17441
17442 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17443
17444         * LANGUAGES: Remove obsolete information.
17445
17446 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
17447
17448         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
17449         SIGBUS signal frames, the PSW address points *to* the faulting
17450         instruction, not after it.
17451
17452 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
17453
17454         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
17455         added to TLS symbol addresses.
17456
17457 2004-07-11  Richard Henderson  <rth@redhat.com>
17458
17459         * expmed.c (init_expmed): Use stack-local structures for
17460         temporary rtl.  Don't recognize shifts.
17461
17462 2004-07-11  Richard Henderson  <rth@redhat.com>
17463
17464         * expr.c (store_expr): Don't fiddle subreg promotion for types
17465         with precision smaller than the mode.
17466
17467 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17468
17469         * tree.h (all_types_permanent): Remove.
17470
17471 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17472
17473         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
17474         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
17475         * langhooks.c (lhd_clear_binding_stack): Remove.
17476         * langhooks-def.h (lhd_clear_binding_stack,
17477         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
17478         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
17479         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
17480         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
17481         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
17482         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
17483         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
17484         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
17485         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
17486         * tree.h (poplevel): Don't declare.
17487         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
17488         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
17489         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
17490         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
17491         Remove.
17492
17493 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17494
17495         PR tree-optimization/16437
17496         * c-common.c (shorten_compare): Don't mark result of conversion to
17497         narrower signed type as overflowing.
17498         * fold-const.c (decode_field_reference): Determine whether
17499         signedness comes from outer type using precision rather than size.
17500
17501 2004-07-11  Phil Edwards  <phil@codesourcery.com>
17502
17503         * configure.ac:  Alphabetize --enable-checking list, add
17504         missing valgrind entry.
17505         * configure:  Regenerate.
17506
17507 2004-07-11  Phil Edwards  <phil@codesourcery.com>
17508
17509         * doc/install.texi (Testing):  Fix syntax in "make check" example.
17510
17511 2004-07-10  James E Wilson  <wilson@specifixinc.com>
17512
17513         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
17514
17515 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17516
17517         PR rtl-optimization/16001
17518         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
17519         niter_expr.
17520
17521 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
17522
17523         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
17524
17525 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
17526             James Morrison  <phython@gcc.gnu.org>
17527
17528         * doc/contrib.texi (Contributors): Add gfortran contributors and
17529         fix a couple of typos.
17530
17531 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17532
17533         PR rtl-optimization/15387
17534         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
17535         to incoming args space correctly.
17536
17537 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17538
17539         * pa.c (output_indirect_call): Only use %r2 as the link register in
17540         indirect calls with the long PA 2.0 pc-relative branch.
17541
17542 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
17543
17544         * config/i386/i386.c (override_options): Pick a 64-bit CPU
17545         for the default tuning if TARGET_64BIT.
17546
17547 2004-07-10  Richard Henderson  <rth@redhat.com>
17548
17549         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
17550         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
17551
17552 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
17553
17554         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
17555         * expmed.c (store_bit_field, extract_bit_field): Remove last
17556         argument.
17557         * builtins.c (expand_builtin_signbit): Adjust callers.
17558         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
17559         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
17560         * ifcvt.c (noce_emit_move_insn): Likewise.
17561         * stmt.c (expand_return): Likewise.
17562         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
17563         store_field, expand_expr_real_1): Likewise.
17564
17565 2004-07-10  Richard Henderson  <rth@redhat.com>
17566
17567         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
17568
17569 2004-07-09  Mike Stump  <mrs@apple.com>
17570
17571         * config/darwin.c (no_dead_strip): Add.
17572         (HAVE_DEAD_STRIP): Add.
17573         (darwin_emit_unwind_label): Ensure that we don't dead code strip
17574         the .eh label.
17575
17576 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17577
17578         * tree-ssa-loop-im.c: New file.
17579         * Makefile.in (tree-ssa-loop-im.o): Add.
17580         * cfgloop.c (superloop_at_depth): New function.
17581         * cfgloop.h (superloop_at_depth): Declare.
17582         * common.opt (ftree-lim): New flag.
17583         * expr.c (array_ref_up_bound): New function.
17584         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
17585         * timevar.def (TV_LIM): New timevar.
17586         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
17587         computing immediate uses of a phi node.
17588         * tree-flow.h (struct tree_ann_common_d): Add aux field.
17589         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
17590         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
17591         * tree-pass.h (pass_lim): Declare.
17592         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
17593         functions.
17594         (pass_lim): New pass structure.
17595         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
17596         * tree.c (in_array_bounds_p): New function.
17597         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
17598         (in_array_bounds_p, array_ref_up_bound): Declare.
17599         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
17600         * doc/passes.texi (tree-ssa-loop-im.c): Document.
17601
17602 2004-07-09  Richard Henderson  <rth@redhat.com>
17603
17604         * builtins.c (expand_builtin_stpcpy): Don't modify len.
17605
17606         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
17607         with prejudice.
17608
17609 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
17610
17611         * flags.h: Delete redundant prototypes that are being generated
17612         in options.h from common.opt.
17613         * common.opt: Add in the expository comments formerly in flags.h.
17614
17615 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17616
17617         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
17618         available for use only when TARGET_MMX/_SSE is set, and check for
17619         variable argument function if any register count is non-zero.
17620         (function_arg): Correctly suppress repeated warnings for passing SSE
17621         vectors are arguments without SSE enabled.
17622         (ix86_function_arg_boundary): Without SSE enabled, the use of what
17623         would be SSE register modes does no longer influence the alignment.
17624
17625 2004-07-09  Richard Henderson  <rth@redhat.com>
17626
17627         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
17628         Always align upward to arg boundary.  Use size_in_bytes/round_up.
17629         Maintain type-correctness of constants.
17630         * stor-layout.c (round_up, round_down): Special-case powers of 2.
17631
17632 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
17633
17634         * config/sparc/sparc.c (*_costs): Scale instruction costs
17635         by COSTS_N_INSNS.
17636         (sparc_rtx_costs): Adjust as appropriate.
17637
17638 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17639
17640         * config/i386/mm3dnow.h: New.
17641         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
17642
17643 2004-07-09  Richard Henderson  <rth@redhat.com>
17644
17645         * simplify-rtx.c (simplify_const_relational_operation): Only
17646         look at bounds of scalar integers.
17647
17648 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17649
17650         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
17651
17652 2004-07-09  Andrew Pinski  <apinski@apple.com>
17653
17654         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
17655         always referenced.
17656         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
17657         UOBJC_METACLASS_decl.
17658
17659 2004-07-09  James E Wilson  <wilson@specifixinc.com>
17660
17661         PR target/16364
17662         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
17663         do return a parallel if hfa_mode == XFmode and mode == TImode.
17664
17665 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17666
17667         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
17668         permissible for unary plus.
17669
17670 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17671
17672         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
17673         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
17674         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
17675         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
17676         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
17677         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
17678         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
17679         (BUILTIN_xxxIMAX): New.
17680         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
17681         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
17682         BUILT_IN_PARITYIMAX.
17683
17684 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
17685
17686         * config/sparc/sparc.h (processor_costs): Define.
17687         (sparc_costs): Declare.
17688         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
17689         hypersparc_costs, sparclet_costs, ultrasparc_costs,
17690         ultrasparc3_costs): New.
17691         (sparc_override_options): Set sparc_costs as appropriate.
17692         (sparc_rtx_costs): Use sparc_costs instead of messy
17693         conditionals.
17694
17695 2004-07-09  Steven Bosscher  <stevenb@suse.de>
17696
17697         * doc/md.texi (Processor pipeline description): Mention that
17698         the old pipeline description is deprecated.
17699
17700         * config/rs6000/7450.md (automaton ppc7450): Split up, move
17701         mciu_7450 function unit to...
17702         (automaton ppc7450mciu): ...new automaton.
17703
17704         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
17705         (schedule_block): Don't consider inserting bubbles.
17706         (sched_init): Don't initialize DFA bubbles.
17707         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
17708         TARGET_SCHED_DFA_BUBBLE): Remove.
17709         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
17710         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
17711         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
17712
17713         * stmt.c (conditional_context): Remove prototype.
17714         * tree.h (conditional_context): Remove.
17715         * tree-cfg.c (pre_insert_on_edge): Remove.
17716
17717         * c-common.h (c_expand_asm_operands): Remove prototype.
17718         * c-typeck.c (c_expand_asm_operands): Remove.
17719
17720 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17721
17722         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
17723         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
17724         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
17725         and V8QI are class SSE. All sufficiently small remaining vector modes
17726         must be passed in one or two integer registers.
17727         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
17728         returned in memory.
17729         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
17730         __builtin_ia32_pmuludq128 have non-uniform argument and return types
17731         and must thus be handled explicitly.
17732         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
17733         MMX and XMM regs.
17734         (movv8qi_internal, movv4hi_internal, movv2si_internal,
17735         movv2sf_internal): Permit moving between MMX and XMM registers (since
17736         MMX areguments and return values are passed in XMM registers).
17737         (sse2_umulsidi3): Correct type and mode.
17738
17739 2004-07-09  Richard Henderson  <rth@redhat.com>
17740
17741         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
17742
17743 2004-07-09  Eric Christopher  <echristo@redhat.com>
17744
17745         * config/rs6000/40x.md: Split into two automatons.
17746
17747 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
17748             Andrew Pinski  <apinski@apple.com>
17749
17750         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
17751         on when we have more than one input file.
17752         (c_common_parse_file): Restore loop over all input files.
17753         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
17754
17755         * c-decl.c (set_type_context): New function.
17756         (pop_scope): Use it to set context of types.  When we
17757         encounter a TYPE_DECL, set the context of the attached type too.
17758         (pop_file_scope): Don't call cpp_undef_all here.
17759         (diagnose_mismatched_decls): Do not complain about a second
17760         definition of an 'extern inline' function if it's not in the
17761         same translation unit.  Do not complain about inline
17762         declaration after use if the use was in a different
17763         translation unit.
17764         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
17765         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
17766         the external scope.
17767         (pushdecl_top_level): Likewise.
17768         (grokdeclarator): Clarify what is going on with setting
17769         DECL_EXTERNAL on function types, a little.
17770         (c_write_global_declarations): Don't do anything if
17771         -fsyntax-only or errors have been encountered.
17772
17773 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
17774
17775         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
17776
17777 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17778
17779         PR target/16459
17780         * pa.c (output_indirect_call): Use %r2 as the link register when
17781         calling $$dyncall with a pc-relative branch.
17782
17783 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
17784
17785         * doc/install.texi (Binaries): Mention OpenPKG.
17786
17787 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
17788
17789         Fix PR tree-optimization/15555
17790         * tree-dfa.c (dump_variable): If the variable is a pointer
17791         SSA_NAME, also dump its points-to information.
17792         * tree-flow.h (struct ptr_info_def): Add field
17793         is_dereferenced.
17794         (dump_points_to_info_for): Declare.
17795         (debug_points_to_info_for): Declare.
17796         * tree-optimize.c (init_tree_optimization_passes): Add a
17797         second alias analysis pass after DOM2.
17798         Move pass_del_pta to a later spot.
17799         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
17800         create a name tags when we find a dereferenced pointer.  Just
17801         mark the pointer dereferenced.
17802         (collect_points_to_info_for): Move code to clear points-to
17803         information to create_name_tags.
17804         (create_name_tags): New function.
17805         (compute_flow_sensitive_aliasing): Call it.
17806         (setup_pointers_and_addressables): Mark type tags for renaming
17807         here instead of ...
17808         (create_memory_tag): ... here.
17809         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
17810         (dump_points_to_info_for): Declare extern.
17811         (debug_points_to_info_for): New function.
17812
17813 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
17814
17815         * config/arc/arc.md: Switch to DFA-based scheduler description.
17816         * config/arc/arc.c: Switch to DFA-based scheduler description.
17817
17818 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17819
17820         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
17821         pointer.
17822
17823 2004-07-09  Richard Henderson  <rth@redhat.com>
17824
17825         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
17826         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17827         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
17828         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
17829
17830         * config/v850/v850-protos.h (v850_va_arg): Remove.
17831         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17832         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
17833         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
17834         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
17835         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
17836
17837 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17838
17839         PR target/12133
17840         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
17841         and DImode to use +/-4k offset.
17842
17843 2004-07-09  Richard Henderson  <rth@redhat.com>
17844
17845         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
17846         Remove.
17847         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17848         (xstormy16_gimplify_va_arg_expr): Rewrite from
17849         xstormy16_expand_builtin_va_arg.
17850         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
17851
17852         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
17853         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
17854
17855         * config/sh/sh-protos.h (sh_va_arg): Remove.
17856         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17857         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
17858         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
17859
17860         * config/pa/pa-protos.h (hppa_va_arg): Remove.
17861         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17862         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
17863         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
17864
17865         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
17866         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17867         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
17868         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
17869
17870 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
17871
17872         * config/sparc/sparc.md (return): Rewrite length formula.
17873         * config/sparc/sparc.c (output_return): Pass 1 as 5th
17874         argument to final_scan_insn when in a delay slot.
17875         (output_sibcall): Likewise.
17876
17877 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17878
17879         * arm.c (arm_cpp_interwork): New variable.
17880         (arm_override_options): Set it if TARGET_INTERWORK was on the command
17881         line.
17882         * arm.h (arm_cpp_interwork): Declare it.
17883         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
17884         __THUMB_INTERWORK__ in the preprocessor.
17885
17886 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
17887
17888         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
17889
17890 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
17891
17892         PR target/16416
17893         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
17894         Override default settings to account for -m32 and -m64.
17895
17896 2004-07-08  Randolph Chung  <tausq@debian.org>
17897
17898         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
17899
17900 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
17901
17902         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
17903         before comparing it as such.
17904
17905 2004-07-08  Richard Henderson  <rth@redhat.com>
17906
17907         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
17908         temporary.  Use bit arithmetic to align.
17909
17910 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
17911
17912         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
17913         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
17914         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
17915         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
17916         add_labels_and_missing_jumps, find_jump_block,
17917         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
17918         Likewise.
17919         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
17920         link_btr_uses, move_btr_def): Likewise.
17921         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
17922         expand_builtin_expect_jump): Likewise.
17923         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
17924         * calls.c (expand_call, emit_library_call_value_1): Likewise.
17925         * cfganal.c (forwarder_block_p): Likewise.
17926         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
17927         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
17928         find_bb_boundaries): Likewise.
17929         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
17930         merge_blocks_move_predecessor_nojumps,
17931         merge_blocks_move_successor_nojumps, insns_match_p,
17932         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
17933         try_optimize_cfg): Likewise.
17934         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
17935         * cfglayout.c (skip_insns_after_block, label_for_bb,
17936         record_effective_endpoints, insn_locators_initialize,
17937         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
17938         * cfgmainloop.c (create_loop_notes): Likewise.
17939         * cfgrtl.c (delete_insn, delete_insn_chain,
17940         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
17941         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
17942         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
17943         redirect_branch_edge, force_nonfallthru_and_redirect,
17944         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
17945         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
17946         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
17947         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
17948         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
17949         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
17950         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
17951         * combine.c (combine_instructions, can_combine_p, try_combine,
17952         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
17953         distribute_notes, distribute_links, insn_cuid): Likewise.
17954         * cse.c (fold_rtx, cse_insn, cse_around_loop,
17955         invalidate_skipped_block, cse_set_around_loop,
17956         cse_end_of_basic_block, cse_main, cse_basic_block,
17957         cse_condition_code_reg): Likewise.
17958         * cselib.c (cselib_process_insn): Likewise.
17959         * ddg.c (create_ddg): Likewise.
17960         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
17961         Likewise.
17962         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
17963         gen_label_die, dwarf2out_var_location): Likewise.
17964         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
17965         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
17966         last_call_insn, active_insn_p, next_label, prev_label,
17967         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
17968         add_insn_before, remove_insn, add_function_usage_to,
17969         reorder_insns, find_line_note, remove_unnecessary_notes,
17970         emit_insn_after_1, classify_insn): Likewise.
17971         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
17972         connect_post_landing_pads, sjlj_mark_call_sites,
17973         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
17974         can_throw_internal, can_throw_external, set_nothrow_function_flags,
17975         convert_to_eh_region_ranges): Likewise.
17976         * explow.c (optimize_save_area_alloca): Likewise.
17977         * expr.c (expand_expr_real): Likewise.
17978         * final.c (insn_current_reference_address, compute_alignments,
17979         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
17980         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
17981         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
17982         propagate_block_delete_insn, propagate_one_insn,
17983         init_propagate_block_info, propagate_block, libcall_dead_p,
17984         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
17985         Likewise.
17986         * function.c (instantiate_virtual_regs, reorder_blocks_1,
17987         expand_function_start, expand_function_end, contains,
17988         thread_prologue_and_epilogue_insns,
17989         reposition_prologue_and_epilogue_notes): Likewise.
17990         * gcse.c (constprop_register, bypass_conditional_jumps,
17991         insert_insn_end_bb, gcse_after_reload): Likewise.
17992         * genemit.c (gen_expand, gen_split): Likewise.
17993         * genpeep.c (gen_peephole, main): Likewise.
17994         * global.c (build_insn_chain): Likewise.
17995         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
17996         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
17997         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
17998         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
17999         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
18000         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
18001         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
18002         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
18003         dead_or_predicable): Likewise.
18004         * integrate.c (try_constants): Likewise.
18005         * jump.c (rebuild_jump_labels, cleanup_barriers,
18006         purge_line_number_notes, init_label_info, mark_all_labels,
18007         squeeze_notes, get_label_before, get_label_after,
18008         reversed_comparison_code_parts, simplejump_p, pc_set,
18009         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
18010         delete_barrier, delete_prior_computation, delete_computation,
18011         delete_related_insns, delete_for_peephole, redirect_jump):
18012         Likewise.
18013         * lcm.c (optimize_mode_switching): Likewise.
18014         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
18015         Likewise.
18016         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
18017         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
18018         * loop-iv.c (simplify_using_assignment): Likewise.
18019         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
18020         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
18021         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
18022         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
18023         check_insn_for_givs, check_final_value, update_giv_derive,
18024         basic_induction_var, product_cheap_p, check_dbra_loop,
18025         loop_insn_first_p, last_use_this_basic_block,
18026         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
18027         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
18028         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
18029         sms_schedule_by_order): Likewise.
18030         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
18031         * postreload.c (reload_cse_simplify_operands, reload_combine,
18032         reload_cse_move2add): Likewise.
18033         * predict.c (can_predict_insn_p, estimate_probability,
18034         expected_value_to_br_prob, process_note_predictions): Likewise.
18035         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
18036         * profile.c (branch_prob): Likewise.
18037         * ra-build.c (live_out_1, livethrough_conflicts_bb,
18038         detect_webs_set_in_cond_jump): Likewise.
18039         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
18040         ra_print_rtl_with_bb): Likewise.
18041         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
18042         * recog.c (next_insn_tests_no_inequality, find_single_use,
18043         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
18044         * reg-stack.c (next_flags_user, record_label_references,
18045         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
18046         compensate_edge, convert_regs_1): Likewise.
18047         * regclass.c (scan_one_insn): Likewise.
18048         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
18049         regmove_optimize, fixup_match_1, single_set_for_csa,
18050         combine_stack_adjustments_for_block): Likewise.
18051         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
18052         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
18053         find_equiv_reg): Likewise.
18054         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
18055         reload_as_needed, emit_input_reload_insns, do_output_reload,
18056         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
18057         Likewise.
18058         * reorg.c (find_end_label, emit_delay_sequence,
18059         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
18060         get_jump_flags, rare_destination, mostly_true_jump,
18061         try_merge_delay_insns, redundant_insn, own_thread_p,
18062         fill_simple_delay_slots, fill_slots_from_thread,
18063         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
18064         dbr_schedule): Likewise.
18065         * resource.c (find_basic_block, next_insn_no_annul,
18066         find_dead_or_set_registers, mark_target_live_regs): Likewise.
18067         * rtl.h (RTX_PREV): Likewise.
18068         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
18069         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
18070         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
18071         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
18072         tablejump_p, computed_jump_p, insns_safe_to_move_p,
18073         find_first_parameter_load, can_hoist_insn_p): Likewise.
18074         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
18075         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
18076         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
18077         schedule_ebbs): Likewise.
18078         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
18079         is_conditionally_protected, can_schedule_ready_p,
18080         add_branch_dependences, debug_dependencies): Likewise.
18081         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
18082         Likewise.
18083         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
18084         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
18085         set_dominates_use, ujump_to_loop_cont): Likewise.
18086         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
18087         * varasm.c (output_constant_pool_1): Likewise.
18088
18089 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
18090
18091         * tree-scalar-evolution.c: New file.
18092         * tree-scalar-evolution.h: New file.
18093         * tree-ssa-loop-niter.c: New file.
18094         * Makefile.in (SCEV_H): New.
18095         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
18096         * cfgloop.h (struct loop): Add bounds field.
18097         * tree-flow.h (struct tree_niter_desc): New type.
18098         (number_of_iterations_cond, number_of_iterations_exit,
18099         loop_niter_by_eval, find_loop_niter_by_eval,
18100         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
18101         free_numbers_of_iterations_estimates): Declare.
18102         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
18103         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
18104         * doc/invoke.texi (max-iterations-to-track): Document.
18105
18106 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
18107
18108         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
18109         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
18110         (MODE_AFTER): Add cast appropriately.
18111         * config/sh/sh.md (movdi splitter): Likewise.
18112         (casesi_worker_2): Add const qualifier appropriately.
18113         (eh_return): Remove unused variable.
18114         (insv): Initialize v;
18115
18116 2004-07-08  Richard Henderson  <rth@redhat.com>
18117
18118         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
18119         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18120         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
18121         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
18122         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
18123
18124         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
18125         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18126         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
18127         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
18128
18129         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
18130         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18131         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
18132         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
18133
18134         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
18135         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18136         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
18137         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
18138
18139         * config/i860/i860-protos.h (i860_va_arg): Remove.
18140         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18141         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
18142         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
18143
18144 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
18145
18146         * system.h: Prototype getpagesize if missing.
18147         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
18148         * configure: Regenerate.
18149         * config.in: Regenerate.
18150
18151 2004-07-08  Richard Henderson  <rth@redhat.com>
18152
18153         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
18154         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18155         (fr30_gimplify_va_arg_expr): New.
18156         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
18157         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
18158
18159 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
18160
18161         PR target/16414
18162         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
18163         of asm_noperands result.
18164
18165 2004-07-08  Richard Henderson  <rth@redhat.com>
18166
18167         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
18168         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18169         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
18170         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
18171
18172 2004-07-08  Richard Henderson  <rth@redhat.com>
18173
18174         * builtins.c (ind_gimplify_va_arg_expr): New.
18175         * tree.h (ind_gimplify_va_arg_expr): Declare.
18176         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
18177
18178 2004-07-08  Jan Beulich  <jbeulich@novell.com>
18179
18180         * expmed.c (extract_bit_field): Correct condition to use vec_extract
18181         patterns also on vector elements other than the first one.
18182         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
18183         break statements.
18184
18185 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
18186
18187         * config/rs6000/darwin-ldouble.c: Correct reference
18188         to the Linnainmaa paper.
18189
18190 2004-07-08  Richard Henderson  <rth@redhat.com>
18191
18192         * config/arc/arc-protos.h (arc_va_arg): Remove.
18193         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18194         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
18195         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
18196
18197         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
18198         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18199         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
18200         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
18201
18202 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18203
18204         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
18205
18206 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
18207
18208         * c-decl.c (static_ctors, static_dtors): Make static.
18209         (pop_file_scope): Call c_common_write_pch and
18210         cgraph_finalize_compilation_unit here.
18211         (build_cdtor): Moved here from c-objc-common.c; simplify.
18212         (c_write_global_declarations_1): Clarify comment.
18213         (c_write_global_declarations): Close the external scope before
18214         doing anything else.  Call build_cdtor, cgraph_optimize, and
18215         mudflap_finish_file here.
18216         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
18217         Clarify comment.
18218         * c-objc-common.c: No need to include cgraph.h.
18219         (build_cdtor): Moved to c-decl.c.
18220         (c_objc_common_finish_file): Delete.
18221         * c-tree.h: Update to match.
18222         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
18223         (generate_static_references): Set TREE_USED before calling finish_decl.
18224         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
18225         on the static_instances_decl.
18226
18227 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
18228
18229         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
18230         decls when there is only one input translation unit.
18231         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
18232         change of 2004-07-05; do not treat declarations with
18233         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
18234         * opts.c (cur_in_fname): Delete.
18235         * opts.h: Likewise.
18236         * tree.c: Revert changes of 2004-07-05; no special treatment
18237         for TRANSLATION_UNIT_DECLs.
18238         * Makefile.in (tree.o): Update dependencies.
18239
18240 2004-07-08  Roger Sayle  <roger@eyesopen.com>
18241
18242         * builtins.c (fold_builtin_strcpy): Merge functionality from
18243         simplify_builtin_strcpy.  Add additional len argument.  No longer
18244         static.  Remove function prototype.
18245         (fold_builtin_strncpy): Likewise integrate functionality from
18246         simplify_builtin_strncpy.  Add additional slen argument.  No
18247         longer static.  Remove function prototype.
18248         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
18249         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
18250         types of "ignore" and "unlocked" parameters to bool.
18251         (fold_builtin_1):  Add additional ignore argument.  Call renamed
18252         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
18253         builtins.  Update arguments to fold_builtin_strncpy and
18254         fold_builtin_strcpy.  Add function prototype.
18255         (fold_builtin): Add additional Boolean ignore argument to pass
18256         to fold_builtin_1.
18257         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
18258         and fold_builtin_strncpy instead of simplify_builtin_fputs,
18259         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
18260
18261         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
18262         simplify_builtin_strncpy): Delete function prototypes.
18263         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
18264         fold_builtin_strncpy): Add function prototypes here.
18265         (fold_builtin): Update function prototype with new "bool ignore".
18266
18267         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
18268         (ccp_fold_builtin):  Update call to fold_builtin.  Call
18269         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
18270         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
18271         simplify_builtin_strncpy respectively.
18272         * fold-const.c (fold): Update call to fold_builtin.
18273
18274 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
18275
18276         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
18277         to strcpy.
18278
18279         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
18280         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
18281         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
18282         * calls.c: Remove ifdefs of macros above.
18283         * functions.c: Likewise.
18284         * expr.c: Likewise.
18285
18286 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18287
18288         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
18289         (arch attribute): Delete.
18290         (current_function_calls_alloca attribute): Rename into calls_alloca.
18291         (calls_eh_return): New attribute.
18292         (leaf_function): Likewise.
18293         (length attribute): Fix formula for sibcalls.
18294         (return insn): Correctly compute the 'length' attribute.
18295         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
18296
18297 2004-07-08  Richard Henderson  <rth@redhat.com>
18298
18299         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
18300         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
18301         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
18302         * tree-eh.c (lower_eh_constructs_1): Likewise.
18303         * tree-sra.c (sra_walk_modify_expr): Likewise.
18304         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
18305         (eliminate_unnecessary_stmts): Likewise.
18306         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18307         * tree-tailcall.c (optimize_tail_call): Likewise.
18308         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
18309
18310 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
18311             Jakub Jelinek  <jakub@redhat.com>
18312
18313         * config/i386/i386.c (override_options): Enable
18314         SSE prefetches with -mtune, as long as we are
18315         compiling for i686 or higher.  All i686 processors
18316         accept SSE prefetches as NOPS, some i586's don't.
18317
18318 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18319
18320         PR target/10567
18321         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
18322
18323 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
18324
18325         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
18326         the handling of clobbering ASM_EXPRs.
18327
18328 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18329
18330         PR target/16430
18331         * config/sparc/sparc.c (function_value): In 64-bit mode,
18332         return the aggregates larger than 16 bytes like unions.
18333
18334 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18335
18336         PR target/16199
18337         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
18338         'temp' is zero, generate new pseudos as needed and emit the
18339         sequence of insns in single-assignment form.  Resync comments
18340         with code.
18341         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
18342         function before reload.
18343
18344 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
18345
18346         * vec.c (vec_assert_fail): Remove duplicate 'function'.
18347
18348         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
18349
18350         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
18351         Allocation is signed.
18352         (VEC_reserve): Return flag, allocation is signed.
18353
18354 2004-07-08  Richard Henderson  <rth@redhat.com>
18355
18356         * tree-ssa-ccp.c (fold_stmt): Get type directly from
18357         OBJ_TYPE_REF_OBJECT.
18358
18359 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
18360             Neil Booth  <neil@daikokuya.co.uk>
18361
18362         PR c/2511
18363         PR c/3325
18364         * c-decl.c (finish_struct): Ensure bit-fields are given the
18365         correct type.
18366         * c-common.c (c_common_signed_or_unsigned_type): For C, require
18367         the precision to match as well as the mode.
18368         * expr.c (reduce_to_bit_field_precision): New function.
18369         (expand_expr_real_1): Reduce expressions of bit-field type to
18370         proper precision.
18371         * langhooks.h (reduce_bit_field_operations): New hook.
18372         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
18373         Define.
18374         * c-lang.c, objc/objc-lang.c
18375         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
18376         * objc/objc-act.c (check_ivars): Convert types to bit-field types
18377         before checking.
18378         * tree.c (build_nonstandard_integer_type): New function.
18379         * tree.h (build_nonstandard_integer_type): New prototype.
18380         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
18381         conversions between integer and boolean types as useless.
18382
18383 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
18384
18385         * c-common.c (c_common_nodes_and_builtins): Do not
18386         create __builtin_ptrdiff_t and __builtin_size_t.
18387
18388 2004-07-08  Andrew Pinski  <apinski@apple.com>
18389
18390         * Makefile.in (libbackend.o): Add -combine to the gcc
18391         command line.
18392
18393 2004-07-08  Nick Clifton  <nickc@redhat.com>
18394
18395         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
18396         Set to -Os.
18397
18398 2004-07-08  Richard Henderson  <rth@redhat.com>
18399
18400         * except.c (expand_eh_region_start, expand_eh_region_end,
18401         expand_eh_handler, expand_eh_region_end_cleanup,
18402         expand_start_all_catch, expand_start_catch, expand_end_catch,
18403         expand_end_all_catch, expand_eh_region_end_allowed,
18404         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
18405         expand_eh_region_end_fixup): Remove.
18406         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
18407         cleanups, outer_cleanups, label_chain, exception_region.
18408         (struct goto_fixup): Remove stack_level, cleanup_list_list.
18409         (struct label_chain): Remove.
18410         (struct stmt_status): Remove x_stack_block_stack.
18411         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
18412         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
18413         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
18414         end_cleanup_deferral, last_cleanup_this_contour,
18415         containing_blocks_have_cleanups_or_stack_level,
18416         any_pending_cleanups): Remove.
18417         (expand_null_return_1): Take no arguments.
18418         (expand_label, expand_naked_return, expand_return,
18419         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
18420         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
18421         expand_end_case_type): Don't use any of them.
18422         * calls.c (expand_call): Likewise.
18423         * dojump.c (do_jump): Likewise.
18424         * function.c (expand_function_end): Likewise.
18425         * expr.c (store_expr, expand_expr_real_1): Likewise.
18426         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
18427         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
18428         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
18429         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
18430         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
18431         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
18432         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
18433         for WITH_CLEANUP_EXPR.
18434         (gimple_push_cleanup): Likewise.
18435         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
18436         * print-tree.c (print_node): Likewise.
18437         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
18438         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
18439         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
18440         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
18441         (GOTO_SUBROUTINE_EXPR): Remove.
18442         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
18443         (DECL_TOO_LATE): Remove.
18444         * except.h, tree.h: Update decls.
18445
18446 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
18447
18448         * explow.c (optimize_save_area_alloca): Do not accept parameters.
18449         * passes.c (rest_of_handle_final): Handle symout.
18450         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
18451         Push timevar here.
18452         (rest_of_handle_sched): Break out SMS.  Remove ifs for
18453         flag_schedule_insns and flag_modulo_sched.
18454         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
18455         collect at the end.
18456         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
18457         (rest_of_handle_partition_blocks, rest_of_handle_sms,
18458         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
18459         rest_of_handle_mode_switching, rest_of_handle_jump,
18460         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
18461         rest_of_handle_jump2, rest_of_handle_postreload,
18462         rest_of_handle_flow2, rest_of_clean_state,
18463         rest_of_handle_shorten_branches,
18464         rest_of_handle_prologue_epilogue,
18465         rest_of_handle_branch_target_load_optimize): New.
18466         (rest_of_compilation): Call the above.  Remove ggc_collect
18467         calls moved to rest_of_handle_*.
18468         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
18469
18470         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
18471         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
18472         * except.h (set_nothrow_function_flags): Update comment.
18473         * function.c (current_function_nothrow): Remove.
18474         * output.h (current_function_nothrow): Remove.
18475         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
18476         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
18477
18478 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18479
18480         PR bootstrap/16326
18481         * reorg.c: Revert 2004-06-30 change.
18482         (find_end_label): If HAVE_epilogue and !HAVE_return,
18483         return 0 instead of creating a label at the end of the insn chain.
18484         (optimize_skip): Account for the failure mode of find_end_label.
18485         (fill_simple_delay_slots): Likewise.
18486         (fill_slots_from_thread): Likewise.
18487         (relax_delay_slots): Likewise.
18488
18489 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
18490
18491         * tree-flow.h (addressable_vars): Declare.
18492         * tree-ssa-alias.c (addressable_vars): Define.
18493         (setup_pointers_and_addressables): Add addressable variables
18494         to addressable_vars.
18495         * tree-ssa-operands.c (get_stmt_operands): Move
18496         handling of ASM_EXPRs ...
18497         (get_asm_expr_operands): ... here.
18498         When the ASM_EXPR clobbers memory, also clobber addressable
18499         variables.
18500         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
18501         (delete_tree_ssa): Reset addressable_vars.
18502
18503 2004-07-07  Jan Beulich  <jbeulich@novell.com>
18504             Richard Henderson  <rth@redhat.com>
18505
18506         * varasm.c (assemble_variable): Use assemble_zeros for
18507         zero-initialized variables.
18508         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
18509         for SECCAT_BSS and SECCAT_TBSS.
18510
18511 2004-07-07  Jan Beulich  <jbeulich@novell.com>
18512
18513         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
18514
18515         * expmed.c (emit_store_flag): Also special-case double-word
18516         (in-)equality comparison against -1.
18517
18518         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
18519         passing arguments the containers for which are registers.
18520
18521         * calls.c (emit_library_call_value_1): Use mode of function parameter
18522         rather than that of argument since constants have none.
18523
18524 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
18525
18526         Introduce H8SX support.
18527         * expr.c (expand_strcpy): Renamed and moved to...
18528         * builtins.c (expand_movstr): ... here.  Tweak.
18529         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
18530         computed or has side effects.
18531         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
18532         unused, or if mempcpy fails.  Adjust the return value in the
18533         latter case.  Use movstr if everything else fails.
18534         * doc/md.texi (movstr): Document.
18535         (movmemM, clrmemM): Fix explanation of memory block operands.
18536         * config/h8300/h8300.md (stpcpy): Renamed to...
18537         (movstr): ... this.  Adjust.
18538         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
18539         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
18540         movmem* and clrstr* to clrmem*.
18541         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
18542         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
18543         GENERAL_REGS, always.
18544         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
18545         getting the stack pointer as addr.
18546         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
18547         from general_operand_dst.
18548         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
18549         variant of...
18550         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
18551         instead of requiring it to match only before reload.
18552         (stpcpy_internal_normal): New, normal-mode variant of...
18553         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
18554         `D' instead of requiring it to match only before reload.
18555         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
18556         mode argument.
18557         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
18558         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
18559         h8300_get_index.
18560         * config/h8300/h8300.md (attr type): Add call.
18561         (attr can_delay): If type is call, set it no.
18562         (call, call_value): Set type to call.
18563         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
18564         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
18565         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
18566         * tree.c (get_narrower): Don't narrow integral types into
18567         non-integral types.
18568         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
18569         frame_size *before* the first use.
18570         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
18571         on input.
18572         (peephole2): Don't widen instructions that push SP.  Move
18573         decrement of SP to the end of all stm-generating peepholes.
18574         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
18575         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
18576         and OR to set it to all ones.
18577         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
18578         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
18579         (call, call_value): Set can_delay to "no".
18580         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
18581         * config/h8300/h8300.md (extzv): Make subreg check more robust.
18582         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18583         * config/h8300/h8300.md (*brabit): Remove.
18584         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
18585         zero_extract.  Use bit_memory_operand as the predicate for
18586         operand 1 and 'WU' as the constraint.  Check the difference
18587         between the base length and the final one when deciding which
18588         type of branch to use.
18589         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18590         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
18591         Use convert_move to extend the result for TARGET_H8300SX.  Check
18592         for QImode memory references.  Optimize the case where the
18593         destination is a paradoxical subreg.
18594         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18595         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
18596         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
18597         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18598         * config/h8300/h8300.md: Include mova.md
18599         (length_table): Add mova and mova_zero.
18600         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
18601         after all constant addresses for '%R', '%X', '%T' and '%S'.
18602         (h8300_mova_length): New function.
18603         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
18604         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
18605         dependencies for s-config, etc.
18606         * config/h8300/gemova.sh: New file.
18607         * config/h8300/mova.md: Generated.
18608         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
18609         * config/h8300/h8300.c (h8300_bitfield_length): New.
18610         (nibble_operand): Adjust.
18611         (h8300_binary_length): Handle conditional binary op.
18612         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
18613         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
18614         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
18615         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
18616         constraints.  WU is introduced as a variant of U that requires a
18617         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
18618         * config/h8300/h8300.md (attr type): Added bitbranch.
18619         (attr length_table): Added bitfield and bitbranch.
18620         (attr length): Compute bitbranch length.
18621         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
18622         least-significant bit of a byte.
18623         (brabit, brabc, brabs): New.
18624         (insv, extzv): Emit bfst and bfld on H8300SX.
18625         (bfld, bfst, seq, sne): New.
18626         (bstzhireg, cmpstz, bstz, bistz): New.
18627         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
18628         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
18629         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
18630         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
18631         (h8sx_unary_memory_operator): New function.
18632         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
18633         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
18634         * config/h8300/h8300.md: Add peepholes to combine reloads and
18635         arithmetic insns.
18636         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
18637         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
18638         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
18639         (and?i, ior?i, xor?i): Likewise.
18640         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
18641         * config/h8300/h8300.c: Move enums and prototypes to head of file.
18642         Various whitespace fixes.
18643         (h8300_constant_length): New function, split out from...
18644         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
18645         (h8300_classify_operand): Use IN_RANGE.
18646         (h8300_classify_operand): Use h8300_constant_length.
18647         (h8300_short_move_mem_p): Tighten size check.
18648         (h8sx_mergeable_memrefs_p): Tighten equality check.
18649         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
18650         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
18651         for -msx.
18652         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
18653         * config/h8300/crtn.asm: Likewise.
18654         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
18655         if __H8300SX__ is defined.
18656         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
18657         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
18658         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
18659         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
18660         addresses as mode-dependent.
18661         * config/h8300/h8300.c (print_operand_address): Update call to
18662         h8300_get_index.
18663         (h8300_get_index): Take a mode argument.  Rework to fix an
18664         earlier misunderstanding.
18665         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
18666         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
18667         into a register if TARGET_H8300SX.
18668         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
18669         TARGET_H8300SX.  Also disable related define_splits.
18670         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
18671         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
18672         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
18673         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
18674         * config/h8300/h8300.h (OK_FOR_Z): New macro.
18675         (EXTRA_CONSTRAINT_STR): Check it.
18676         * config/h8300/h8300.c (h8300_classify_operand): Accept null
18677         class arguments.
18678         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
18679         * config/h8300/h8300.md (length_table): Add mov_imm4.
18680         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
18681         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
18682         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
18683         be a label.
18684         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
18685         * config/h8300/h8300.c (h8300_reorg): New function.
18686         (TARGET_MACHINE_DEPENDENT_REORG): Define.
18687         * config/h8300/h8300.md (length): Subtract the length of the
18688         delay slot from (pc) when checking the range of forward branches.
18689         (delay_slot, can_delay): New attributes.
18690         (define_delay): Add bra/s handling.
18691         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
18692         (jump): Add delayed-branch handling.
18693         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
18694         * expr.c (expand_strcpy): New function.
18695         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
18696         (expand_builtin_stpcpy): Likewise.
18697         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
18698         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
18699         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
18700         handling to improve register allocation for -fno-omit-frame-pointer.
18701         (h8sx_split_movmd): Delete, moving er6 handling into...
18702         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
18703         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
18704         (movmd): Add calls to copy_rtx.
18705         (movmd_internal): In the second alternative, allow the initial and
18706         final destination registers to be different .  Update the splitter
18707         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
18708         instead of h8sx_split_movmd.
18709         (stpcpy, movsd): New expanders.
18710         (movsd_internal): New define_insn.
18711         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
18712         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
18713         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
18714         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
18715         and DESTINATION_REGS.
18716         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
18717         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
18718         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
18719         (h8300_move_ratio): Declare.
18720         (MOVE_RATIO): Use it.
18721         * config/h8300/h8300.c (h8300_move_ratio): New variable.
18722         (h8300_init_once): Initialize it.
18723         (h8300_reg_class_from_letter): New function.
18724         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
18725         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
18726         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
18727         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
18728         (movstrsi, movmd): New expanders.
18729         (movmd_internal): New insn.
18730         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
18731         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
18732         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
18733         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
18734         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
18735         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
18736         * config/h8300/h8300.c (nibble_operand): Fix warning.
18737         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
18738         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
18739         (movsf_h8300h): Disable for TARGET_H8300SX.
18740         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
18741         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
18742         h8300_stm_parallel and h8300_return_parallel.
18743         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
18744         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
18745         h8300_stm_parallel, h8300_return_parallel): New functions.
18746         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
18747         if TARGET_H8300SX.  Use h8300_push_pop.
18748         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
18749         and final pop when generating h8sx code.  Always emit some form
18750         of return insn.
18751         * config/h8300/h8300.md: Don't enforce register alignment in
18752         stm peepholes if TARGET_H8300SX.
18753         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
18754         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
18755         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
18756         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
18757         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
18758         (MULTILIB_DIRNAMES): Add a directory for it.
18759         (MULTILIB_MATCHES): Delete.
18760         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
18761         * final.c (walk_alter_subreg): Handle addresses with subregs
18762         inside a ZERO_EXTEND or AND.
18763         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
18764         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
18765         if TARGET_H8300SX.
18766         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
18767         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
18768         @(dd,Rn.w) and @(dd,ERn.L).
18769         (h8300_displacement_size): Take the whole address as argument.
18770         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
18771         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
18772         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
18773         (h8sx_mergeable_memrefs_p): Declare.
18774         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
18775         (HAVE_PRE_INCREMENT): Likewise.
18776         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
18777         addresses for TARGET_H8300SX,
18778         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
18779         and POST_DEC.
18780         (movb_length_table, movl_length_table): New tables.
18781         (movw_length_table): Define to movb_length_table.
18782         (h8300_displacement_size): New, split out from...
18783         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
18784         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
18785         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
18786         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
18787         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
18788         (compute_plussi_length, compute_plussi_cc): Update accordingly.
18789         (h8sx_unary_shift_operator): Get the mode from the operator.
18790         (binary_shift_operator): Likewise.
18791         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
18792         a memory reference, check whether the reference is offsettable.
18793         (length_table): Add movb, movw and movl.
18794         (movqi): Add new h8sx pattern.  Don't force one operand to be a
18795         register when generating h8sx code.
18796         (movhi, movsi, movsf): Likewise.
18797         (movstrictqi): Use the length_table attribute.
18798         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
18799         (addqi3): Split into a define_expand and define_insn.  Don't accept
18800         memory operands in the expander.  Use h8300_operands_match_p to
18801         check for matching operands in the define_insn.
18802         (subqi3, negqi2, one_cmplqi2): Likewise.
18803         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
18804         in any patterns that are unused in h8sx code.  In the h8sx patterns,
18805         use h8300_operands_match_p to check whether operands match.
18806         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
18807         one_cmpl[hs]i3): Likewise.
18808         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
18809         in the expander.
18810         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
18811         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
18812         (h8300_insn_length_from_table): Add a second parameter.
18813         (output_h8sx_shift): Declare.
18814         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
18815         (EXTRA_CONSTRAINT): Replace with...
18816         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
18817         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
18818         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
18819         and h8sx_binary_shift_operator.
18820         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
18821         for TARGET_H8300SX.
18822         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
18823         (bit_memory_operand, fix_bit_operand): Likewise.
18824         (h8300_length_table_for_insn): Remove.
18825         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
18826         instructions.
18827         (h8300_short_immediate_length, h8300_binary_length): New functions.
18828         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
18829         (output_plussi): Use sub to add negative constants.
18830         (compute_plussi_length): Adjust accordingly.
18831         (h8sx_single_shift_type): New enum.
18832         (h8sx_single_shift, h8sx_unary_shift_operator,
18833         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
18834         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
18835         single h8sx instruction.  Return false in this case.
18836         * config/h8300/h8300.md (length_table): Add short_immediate.
18837         (length): Pass the operand array to h8300_insn_length_from_table.
18838         (adjust_length): Assume "no" for insns with a length_table attribute.
18839         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
18840         (*addhi3_h8300hs): Don't use for h8sx.
18841         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
18842         and sub.w #xx:3.
18843         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
18844         1's predicate to nonimmediate_operand.  Only skip default expansion
18845         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
18846         for single h8sx shift instructions.
18847         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
18848         * config/h8300/h8300.c (nibble_operand): Split out of...
18849         (reg_or_nibble_operand): ... this.
18850         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
18851         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
18852         umulhisi3): Introduce expand, and introduce separate insns for
18853         sign- or zero-extended REG and already-extended CONST_INT.
18854         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
18855         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
18856         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
18857         (subhi3): Likewise.  Don't accept immediates for operand 1.
18858         Remove the early clobber from second alternative of the h8300s pattern.
18859         (subsi3): Generalize for h8sx.  Force operand 2 into a register
18860         on plain h8300 targets.
18861         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
18862         (subsi3_h8300h): Generalize for h8sx.
18863         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
18864         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
18865         * config/h8300/h8300.c (reg_or_nibble_operand): New.
18866         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
18867         (TARGET_H8300SXMUL): New.
18868         (CONST_OK_FOR_P): New.
18869         (CONST_OK_FOR_LETTER_P): Adjust.
18870         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
18871         umulhisi3): Accept 4-bit immediate on H8SX.
18872         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
18873         (udivsi3, divhi3, udivsi3, divsi3): New.
18874         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
18875         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
18876         * config/h8300/h8300.h (OK_FOR_Q): New macro.
18877         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
18878         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
18879         Add ADDRESSOF to the bit_operand entry.
18880         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
18881         (h8300_src_operand): Likewise.
18882         (bit_operand): Check nonimmediate_operand rather than general_operand.
18883         Accept any nonimmediate_operand in h8sx code.
18884         (h8300_and_costs): Initialize operands[1].
18885         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
18886         (h8300_operand_class): New enum.
18887         (h8300_length_table): New typedef.
18888         (addb_length_table, addw_length_table, addl_length_table,
18889         logicl_length_table): New tables.
18890         (logicb_length_table, logicw_length_table): New macros.
18891         (h8300_classify_operand, h8300_length_from_table,
18892         h8300_length_table_for_insn, h8300_unary_length,
18893         h8300_insn_length_from_table): New functions.
18894         (output_plussi): Only use adds and subs for register destinations.
18895         Disable redundant clause.
18896         (compute_plussi_cc): Likewise.
18897         (compute_plussi_length): Likewise.  Use h8300_length_from_table
18898         to work out the length of an insn.
18899         (output_logical_op): Only use narrower immediate instructions
18900         if the destination is a register.
18901         (compute_logical_op_cc): Likewise.
18902         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
18903         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
18904         * config/h8300/h8300.md (length_table): New attribute.
18905         (length): When an instruction has a length_table attribute, use
18906         h8300_insn_length_from_table to calculate its default length.
18907         (cmpqi): Use h8300_dst_operand for the first operand and
18908         h8300_src_operand for the second.
18909         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
18910         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
18911         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
18912         iorsi3, xorhi3, xorsi3): Likewise.
18913         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
18914         so that it allows any combination of operands for TARGET_H8300SX.
18915         (iorqi3, xorqi3): Likewise.
18916         (cmpqi): Use the length_table attribute.
18917         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
18918         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
18919         (cmpqi): Add 'Q' constraint.
18920         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
18921         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
18922         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
18923         * config/h8300/h8300.h (MASK_H8300SX): New macro.
18924         (TARGET_H8300S): True for both -ms and -msx.
18925         (TARGET_H8300SX): New macro.
18926         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
18927         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
18928         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
18929         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
18930         [Temporary change.]
18931         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
18932         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
18933         16-bit pointers and 32-bit ints.
18934         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
18935         CONST_DOUBLE with mode no wider than SImode.
18936         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
18937         output operand.
18938         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
18939         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
18940         or SUBREG thereof.
18941         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
18942         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
18943         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
18944
18945 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
18946
18947         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
18948
18949 2004-07-07  Per Bothner  <per@bothner.com>
18950
18951         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
18952
18953 2004-07-07  Mike Stump  <mrs@apple.com>
18954
18955         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
18956         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
18957         (machopic_finish): Likewise.
18958
18959 2004-07-07  Richard Henderson  <rth@redhat.com>
18960
18961         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
18962         through any value-preserving cast.
18963
18964 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
18965
18966         * function.c (assign_parm_find_data_types): Call
18967         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
18968
18969 2004-07-07  Steven Bosscher  <stevenb@suse.de>
18970
18971         * tree-cfg.c (group_case_labels): Remove case labels that have
18972         the same target as the default case.
18973
18974 2004-07-07  Steven Bosscher  <stevenb@suse.de>
18975
18976         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
18977         regardless of DECL_LANG_SPECIFIC being present or not.
18978         * tree.h (DECL_NUM_STMTS): Purge.
18979
18980 2004-07-07  Andrew Pinski  <apinski@apple.com>
18981
18982         * configure: Regenerate with the right autoconf.
18983
18984 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
18985
18986         * ifcvt.c (total_bb_rtx_cost): New function.
18987         (find_if_case_1): Compare rtx_cost of basic block to cost of
18988         BRANCH_COST insns.
18989         (find_if_case_2): Same.
18990
18991 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18992
18993         PR target/10567
18994         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
18995         (output_return): Likewise.
18996         (output_sibcall): Abort if !flag_delayed_branch.
18997         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
18998         (emit_and_preserve): New function.
18999         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
19000         indirect jump to the thunked-to function if !flag_delayed_branch.
19001         * config/sparc/sparc.md (delayed_branch): New attribute.
19002         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
19003         attribute to compute the length of the insn.
19004         (goto_handler_and_restore): Likewise.
19005
19006 2004-07-07  Andrew Pinski  <apinski@apple.com>
19007
19008         PR tree-optimization/15777
19009         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
19010
19011         * expr.c (expand_expr_real_1): Fix formating.
19012         BUFFER_REF and IN_EXPR are dead.
19013         * fold-const.c (non_lvalue): BUFFER_REF is dead.
19014         * tree-inline.c (estimate_num_insns_1): Likewise.
19015         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
19016         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
19017         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
19018
19019 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
19020
19021         * collect2.c (dump_file): Don't call cplus_demangle if
19022         HAVE_LD_DEMANGLE is defined.
19023         (main): Pass "--demangle" to ld if no_demangle is not 0 and
19024         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
19025         if HAVE_LD_DEMANGLE is defined.
19026
19027         * configure.ac (--with-demangler-in-ld): Added
19028         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
19029         --with-demangler-in-ld is used.
19030         * config.in: Regenerated.
19031         * configure: Likewise.
19032
19033 2004-07-07  Roger Sayle  <roger@eyesopen.com>
19034
19035         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
19036         for simple floating point operations "fp", double precision
19037         multiplication "dmul", and single and double precision division
19038         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
19039         (ppc630_cost): New table split from ppc620_cost, to distinguish
19040         differences in floating point latencies.
19041         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
19042         (rs6000_rtx_costs): Add support for single and double precision
19043         floating point addition, subtraction, multiplication, division,
19044         fused-multiply-add, fused-multiply-sub, negation, absolute value
19045         and negative absolute value.  Tweak MEM case to use prefered idiom.
19046
19047 2004-07-07  Richard Henderson  <rth@redhat.com>
19048
19049         * tree-flow-inline.h (may_propagate_copy): Move...
19050         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
19051         attempt to copy between types requiring conversion.
19052         * tree-flow.h (may_propagate_copy): Update decl.
19053         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
19054
19055 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
19056
19057         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
19058         from -mtune= option.
19059
19060 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
19061
19062         * builtins.c: Rename movstr*, except for movstrict*, to
19063         movmem* and clrstr* to clrmem*.
19064         * expr.c: Likewise.
19065         * expr.h: Likewise.
19066         * genopinit.c: Likewise.
19067         * integrate.c: Likewise.
19068         * local-alloc.c: Likewise.
19069         * optabs.c: Likewise.
19070         * optabs.h: Likewise.
19071         * config/alpha/alpha.h: Likewise.
19072         * config/alpha/alpha.md: Likewise.
19073         * config/arm/arm-protos.h: Likewise.
19074         * config/arm/arm.c: Likewise.
19075         * config/arm/arm.md: Likewise.
19076         * config/avr/avr.md: Likewise.
19077         * config/c4x/c4x.c: Likewise.
19078         * config/c4x/c4x.md: Likewise.
19079         * config/frv/frv.md: Likewise.
19080         * config/i386/i386-protos.h: Likewise.
19081         * config/i386/i386.c: Likewise.
19082         * config/i386/i386.h: Likewise.
19083         * config/i386/i386.md: Likewise.
19084         * config/i860/i860.c: Likewise.
19085         * config/i860/i860.md: Likewise.
19086         * config/ip2k/ip2k.md: Likewise.
19087         * config/ip2k/libgcc.S: Likewise.
19088         * config/ip2k/t-ip2k: Likewise.
19089         * config/m32r/m32r.c: Likewise.
19090         * config/m32r/m32r.md: Likewise.
19091         * config/mcore/mcore.md: Likewise.
19092         * config/mips/mips.c: Likewise.
19093         * config/mips/mips.md: Likewise.
19094         * config/ns32k/ns32k.c: Likewise.
19095         * config/ns32k/ns32k.h: Likewise.
19096         * config/ns32k/ns32k.md: Likewise.
19097         * config/pa/pa.c: Likewise.
19098         * config/pa/pa.md: Likewise.
19099         * config/pdp11/pdp11.h: Likewise.
19100         * config/pdp11/pdp11.md: Likewise.
19101         * config/rs6000/rs6000.c: Likewise.
19102         * config/rs6000/rs6000.md: Likewise.
19103         * config/s390/s390-protos.h: Likewise.
19104         * config/s390/s390.c: Likewise.
19105         * config/s390/s390.md: Likewise.
19106         * config/sh/lib1funcs.asm: Likewise.
19107         * config/sh/sh.c: Likewise.
19108         * config/sh/sh.md: Likewise.
19109         * config/sh/t-sh: Likewise.
19110         * config/sparc/sparc.h: Likewise.
19111         * config/vax/vax.md: Likewise.
19112         * config/xtensa/xtensa.c: Likewise.
19113         * config/xtensa/xtensa.md: Likewise.
19114         * doc/invoke.texi: Likewise.
19115         * doc/md.texi: Likewise.
19116         * doc/rtl.texi: Likewise.
19117
19118 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
19119
19120         PR target/16407
19121         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
19122         * config/mips/mips.c (mips_declare_common_object): New function,
19123         mostly split out from...
19124         (mips_output_aligned_decl_common): ...here.
19125         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
19126         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
19127         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
19128         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
19129
19130 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19131
19132         PR c/16392
19133         * function.c (assign_parms): Fix typo from previous change.
19134
19135 2004-07-07  Jason Merrill  <jason@redhat.com>
19136
19137         PR c++/15815
19138         * doc/extend.texi (C++ Interface): Correct information and
19139         discourage use.
19140
19141 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
19142
19143         PR target/16130
19144         PR target/16142
19145         PR target/16143
19146         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
19147         insn.
19148
19149 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
19150
19151         PR target/1679.
19152         * config/m32r/m32r.c (m32r_function_symbol): New function:
19153         Generate a symbol name RTX with the correct m32r specific flags
19154         set.
19155         (block_move_call): Use new function to generate correct symbol.
19156         * config/m32r/m32r-protos.h: Add prototype for new funcion.
19157         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
19158         function.
19159
19160 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
19161
19162         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
19163         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
19164         TYPE_BINFO_BASETYPE): Remove.
19165         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
19166         to ...
19167         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
19168         here.
19169         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
19170         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
19171         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
19172         (struct tree_binfo): Rename base_types to base_binfos.
19173         * alias.c (record_component_aliases): Adjust BINFO macros.
19174         * dbxout.c (dbxout_type): Likewise.
19175         * dwarf2out.c (gen_member_die): Likewise.
19176         * sdbout.c (sdbout_one_type): Likewise.
19177         * tree-dump.c (deque_and_dump): Likewise.
19178         * config/i386/i386.c (classify_argument,
19179         contains_128bit_aligned_vector_p): Likewise.
19180
19181 2004-07-07  Nick Clifton  <nickc@redhat.com>
19182
19183         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
19184         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
19185
19186 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
19187
19188         * vec.h: Fix the example use.
19189
19190 2004-07-06  Richard Henderson  <rth@redhat.com>
19191
19192         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
19193         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
19194         * tree-inline.c (copy_body_r, setup_one_parameter,
19195         initialize_inlined_parameters, expand_call_inline,
19196         declare_inline_vars): Don't check it.
19197         (expand_calls_inline): Remove old version, rename new version
19198         from gimple_expand_calls_inline.
19199         * tree-optimize.c (execute_gimple): Remove.
19200         (pass_gimple): Don't run anything.
19201
19202 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
19203
19204         * doc/sourcebuild.texi: Use semicolons instead of commas in
19205         section title.
19206
19207 2004-07-06  Richard Henderson  <rth@redhat.com>
19208
19209         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
19210         (sra_walk_modify_expr, scan_init): Likewise.
19211         (generate_element_zero): Check visited before scanning children.
19212         (generate_element_init): Set visited on error.
19213         (scalarize_init): Handle generate_element_init failure similar
19214         to use_block_copy.
19215
19216 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
19217
19218         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
19219         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
19220
19221 2004-07-06  Richard Henderson  <rth@redhat.com>
19222
19223         * config/i386/i386.c (legitimize_pic_address): Make static.
19224         (legitimize_address): Handle CONST with TLS operand.
19225         (ix86_expand_move): Don't call legitimize_pic_address directly.
19226         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
19227
19228 2004-07-06  Roger Sayle  <roger@eyesopen.com>
19229
19230         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
19231         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
19232         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
19233         is currently executed unconditionally, i.e. not in "else_bb".
19234
19235 2004-07-06  Steven Bosscher  <stevenb@suse.de>
19236
19237         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
19238         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19239         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
19240         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19241         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
19242         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19243         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
19244         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19245         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
19246         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19247         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
19248         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19249         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
19250         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19251         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
19252         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19253
19254 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
19255
19256         * dojump.c (do_jump): REFERENCE_EXPR is dead.
19257         * expr.c (expand_expr_real_1): Ditto.
19258         * tree-inline.c (estimate_num_insns_1): Ditto.
19259         * tree-pretty-print.c (dump_generic_node): Ditto.
19260         (op_symbol): Ditto.
19261         * tree.def: Ditto.
19262
19263 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
19264
19265         * tree-ssa-pre.c (reference_node_pool): New pool.
19266         (find_or_generate_expression): Class 'r' is okay too.
19267         (create_value_expr_from): Ditto.
19268         (add_to_sets): LHS should not include vuses.
19269         (eliminate): Ditto.
19270         (compute_avail): Reverse ordering of tests.
19271         Valuize INDIRECT_REF as well.
19272
19273 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
19274
19275         PR rtl-optimization/16380
19276         * loop.c (check_dbra_loop): Sink comparison instructions if they
19277         do something other than set cc0.
19278
19279 2004-07-06  James E Wilson  <wilson@specifixinc.com>
19280
19281         * doc/interface.texi (longjmp and automatic variables): Delete
19282         paragraph recommending taking the address of a variable.
19283
19284 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
19285
19286         * vec.h (VEC_embedded_alloc): Remove.
19287         (VEC_embedded_size, VEC_embedded_init): New.
19288         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
19289         MEM_STAT_INFO.
19290         (VEC_truncate): New.
19291         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
19292         (vec_embedded_alloc): Remove.
19293         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
19294         (vec_embedded_alloc): Remove.
19295
19296 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
19297
19298         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
19299         (gt-langhooks.h): Remove.
19300
19301 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
19302
19303         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
19304
19305 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
19306
19307         * config/sparc/sparc.c (get_pc_symbol): Rename into
19308         add_pc_to_pic_symbol.
19309         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
19310         (load_pic_register): Account for previous changes.
19311         Use reg_names.  Don't create the label twice.
19312         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
19313         UNSPEC_LOAD_PCREL_SYM.
19314         (get_pc): Rename into load_pcrel_sym.  Add predicate to
19315         operands.  Remove condition.
19316
19317 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
19318
19319         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
19320         RECORD, UNION & QUAL_UNION is actually a binfo.
19321
19322         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
19323         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
19324         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
19325         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
19326         * dwarf2out.c (add_data_member_location_attribute): Likewise.
19327         (gen_inheritance_die): Likewise.
19328         * tree-dump.c (deque_and_dump): Likewise.
19329         * doc/c-tree.texi (Binfos): Add under reconstruction note.
19330
19331 2004-07-06  Steven Bosscher  <stevenb@suse.de>
19332
19333         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
19334         Define.
19335         * config/mcore/mcore.md: Model memory latency with a simple DFA
19336         pipeline description instead of a define_function_unit.
19337
19338 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19339
19340         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
19341         * langhooks.h (var_mod_type_p): Likewise.
19342         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
19343         * expr.c (count_type_elements): Properly handle return from
19344         array_type_nelts and properly test for overflow.
19345         * gimplify.c (gimplify_init_constructor): Properly handle return
19346         from array_type_nelts.
19347         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
19348         * integrate.c (copy_decl_for_inlining): Correct comments.
19349         * tree-inline.c (remap_decl): Update comments, remove dead code,
19350         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
19351         (remap_type): Only remap if variably modified by vars in function
19352         being inlined.
19353         (copy_body_r): Use compatible_type langhooks to see when can fold.
19354         (setup_one_parameter): Don't remap type.
19355         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
19356         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
19357         compute TREE_INVARIANT for decl case.
19358         (find_var_from_fn): New function.
19359         (variably_modified_type_p): Add arg and call new function.
19360         * tree.h (variably_modified_type_p): Add extra arg.
19361
19362 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
19363
19364         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
19365         (goto_handler_and_restore_v9): Delete disabled insn.
19366         (goto_handler_and_restore_v9_sp64): Likewise.
19367
19368 2004-07-05  Roger Sayle  <roger@eyesopen.com>
19369
19370         * calls.c (load_register_parameters): Call expand_shift instead
19371         of expand_binop with ashl_optab (or other shift optab) directly.
19372         * expr.c (emit_group_load, emit_group_store): Likewise.
19373         * function.c (assign_parm_setup_block): Likewise.
19374         * stmt.c (shift_return_value): Likewise.
19375
19376 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
19377
19378         * expr.c (expand_assignment): Disable the bitfield += optimizations.
19379
19380 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
19381
19382         * doc/sourcebuild.texi: Revert previous patch.
19383
19384 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
19385
19386         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
19387         TARGET_MEM_FUNCTIONS.
19388         * system.h: Poison TARGET_MEM_FUNCTIONS.
19389         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
19390         bcmp_libfunc, bzero_libfunc): Remove.
19391         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
19392         bzero_libfunc.
19393         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
19394         * doc/standards.texi: Don't mention calling BSD string functions.
19395         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
19396         * config/vax/t-memfuncs: New.
19397         * config/memcmp.c, config/memcpy.c, config/memmove.c,
19398         config/memset.c: New.
19399         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
19400         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
19401         vax/t-memfuncs.
19402         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
19403         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
19404         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
19405         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
19406         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
19407         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
19408         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
19409         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
19410         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
19411         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
19412
19413 2004-07-05  Richard Henderson  <rth@redhat.com>
19414
19415         * function.c (assign_parm_setup_reg): Properly rename variables in
19416         FUNCTION_ARG_CALLEE_COPIES section.
19417
19418 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
19419
19420         * tree-mudflap.c: Include cgraph.h.
19421         (mf_init_extern_trees): Rename to mudflap_init.  Export.
19422         Rewrite to create synthetic declarations instead of looking
19423         up declarations from mf-runtime.h.
19424         (mf_make_builtin, mf_make_cache_struct_type): New functions.
19425         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
19426         Correct commentary.
19427         (execute_mudflap_function_decls, mudflap_register_call):
19428         Don't call mf_init_extern_trees.
19429         (mudflap_finish_file): Use cgraph_build_static_cdtor.
19430
19431         * tree-mudflap.h: Update prototypes.
19432         * c-mudflap.c: Delete file.
19433         * c-common.c: Include tree-mudflap.h.
19434         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
19435         * Makefile.in: Remove all references to c-mudflap.o.
19436         Update dependencies.
19437
19438 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19439
19440         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
19441         displacements with the spatial-locality cache-control completer.
19442
19443 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
19444
19445         * langhooks.c: Don't include gt-langhooks.h.
19446         (var_labelno): Delete.
19447         (lhd_set_decl_assembler_name): Do not append a distinguishing
19448         number to file-scope internal-linkage declarations for the first
19449         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
19450         the declaration itself (if at block scope), or its containing
19451         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
19452         number.
19453
19454         * opts.c (cur_in_fname): New global.
19455         * opts.h: Declare it.
19456         * tree.c: Include opts.h.
19457         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
19458         DECL_UID equal to cur_in_fname.
19459         (copy_node_stat): Do not change DECL_UID when copying a
19460         TRANSLATION_UNIT_DECL.
19461         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
19462         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
19463
19464         * c-decl.c (c_static_assembler_name): Delete.
19465         * c-tree.h (c_static_assembler_name): Delete prototype.
19466         * c-lang.c, objc/objc-lang.c: Don't override
19467         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
19468
19469         * Makefile.in (tree.o): Update dependencies.
19470         (GTFILES): Remove langhooks.c.
19471
19472 2004-07-05  Roger Sayle  <roger@eyesopen.com>
19473
19474         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
19475         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
19476         Normalize "X % C" as "X % -C" for signed modulus and negative C.
19477         Optimize "X % -Y" as "X % Y" for signed modulus.
19478         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
19479         into "((unsigned) X % Y) == 0".
19480
19481 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
19482
19483         * sourcebuild.texi (Config Fragments): Use @comma{} in
19484         cross-reference to section title.
19485
19486 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19487
19488         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
19489         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
19490         (gimplify_target_expr, gimplify_expr): Likewise.
19491         (copy_if_shared_r): No longer need special case for BIND_EXPR.
19492         (unshare_body, unvisit_body): Only look at nested if BODY_P is
19493         whole function.
19494         (gimplify_compound_lval): See if we can strip any useless conversion.
19495         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
19496         from RHS, not LHS.
19497         (gimplify_modify_expr_to_memset): Likewise.
19498         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
19499         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
19500         (declare_inline_vars): Likewise.
19501         (walk_type_fields): New function.
19502         (walk_tree): Use it.
19503         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
19504
19505         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
19506         (sra_walk_modify_expr): Allow init function to fail.
19507         (scan_init): Now returns bool.
19508         (generate_element_init): If can't understand INIT, return false.
19509         (scalarize_init): Return false if generate_element_init does.
19510
19511         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
19512         print bounds.
19513
19514         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
19515         bounds if bounds aren't constant.
19516
19517         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
19518
19519         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
19520         to type hooks; remove bogus PARAMS.
19521
19522 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
19523
19524         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
19525         * dwarf2out.c (add_data_member_location_attribute): Check for
19526         TREE_BINFO.
19527         * tree.c (tree_node_kinds): Add "binfos".
19528         (binfo_lang_slots): New.
19529         (make_node_stat): Add TREE_BINFO.
19530         (make_tree_binfo_stat): New.
19531         (tree_node_structure): Add TREE_BINFO.
19532         * tree.def (TREE_BINFO): New.
19533         * tree.h (REC_OR_UNION_CHECK): Rename to ...
19534         (RECORD_OR_UNION_CHECK): ... here.
19535         (NOT_RECORD_OR_UNION_CHECK): New.
19536         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
19537         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
19538         RECORD_OR_UNION_CHECK.
19539         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
19540         (TYPE_LANG_SLOT_1): New.
19541         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
19542         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
19543         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
19544         (BINFO_ELTS): Remove.
19545         (BINFO_LANG_SLOT): New.
19546         (struct tree_binfo): New.
19547         (binfo_lang_slots): Declare.
19548         (enum tree_node_structure_enum): Add TS_BINFO.
19549         (union tree_node): Add binfo.
19550         (make_tree_binfo_stat): Declare.
19551         (make_tree_binfo): New.
19552         (enum tree_node_kind): Add binfo_kind.
19553
19554         * objc/objc-act.c (start_class, objc_declare_protocols,
19555         start_protocols): Use TYPE_LANG_SLOT_1.
19556         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
19557         to ...
19558         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
19559         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
19560         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
19561         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
19562
19563 2004-07-05  Steven Bosscher  <stevenb@suse.de>
19564
19565         * rtl.h (struct rtx_def): Remove the integrated flag.
19566         Use the return_val flag for MEM_SCALAR_P.
19567         Reshuffle and update flags in CLEAR_RTX_FLAGS.
19568
19569 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
19570
19571         PR target/16357
19572         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
19573         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
19574         move_by_pieces.
19575
19576 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
19577
19578         * var-tracking.c: Fix some comments.
19579         (frame_stack_adjust): New.
19580         (vt_stack_adjustments): Init stack_adjust of entry block to
19581         minus stack adjustment of function prologue.
19582         (adjust_stack_reference): Do not adjust if adjustment == 0.
19583         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
19584         (emit_notes_in_bb): Likewise.
19585         (vt_add_function_parameters): Do not adjust locations of
19586         function arguments.
19587         (vt_initialize): Compute the stack adjustment of function
19588         prologue and offset the initial "location" of frame_base_decl
19589         from the stack pointer after prologue.
19590
19591 2004-07-04  Richard Henderson  <rth@redhat.com>
19592
19593         * function.c (struct assign_parm_data_all): New.
19594         (struct assign_parm_data_one): New.
19595         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
19596         assign_parm_find_data_types, assign_parms_setup_varargs,
19597         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
19598         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
19599         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
19600         assign_parm_setup_block, assign_parm_setup_reg,
19601         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
19602         (assign_parms): ... here.
19603
19604 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
19605
19606         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
19607         now are bitmap_set_t's.
19608         (bitmap_insert_into_set): No point in inserting the value if
19609         it's invariant.
19610         (bitmap_set_contains): New function.
19611         (bitmap_set_replace_value): Add comment on why we do it
19612         this way.
19613         (set_contains): Removed.
19614         (bitmap_set_subtract_from_value_set): New name of
19615         set_subtract now that it's arguments are two different
19616         types of sets.
19617         Update callers.
19618         (bitmap_find_leader): Change algorithm used.
19619         (find_or_generate_expression): Update use of functions for new
19620         bitmap sets.
19621         (create_expression_by_pieces): Ditto.
19622         (insert_aux): Ditto.
19623         (insert): Ditto.
19624         (add_to_sets): Ditto.
19625         (init_pre): Ditto.
19626         (execute_pre): Ditto.
19627         (compute_avail): Ditto.
19628         Also ignore virtual phis.
19629
19630 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
19631
19632         * combine.c (simplify_comparison): Fix comment typo.
19633
19634 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
19635
19636         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
19637         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
19638         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
19639         (output_restore): Change parameter from 'insn' to 'pat'.
19640         (output_return): Adjust call to output_restore.
19641         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
19642         Adjust call to output_restore.
19643
19644 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
19645
19646         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
19647         and assert system is bsd.
19648
19649 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
19650
19651         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
19652         (TARGET_SWITCHES): Remove -mdebugc.
19653         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
19654         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
19655         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
19656         (sle_[sd]i_reg): Delete.
19657
19658 2004-07-04  Steven Bosscher  <stevenb@suse.de>
19659
19660         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
19661         Define.
19662         * config/iq2000/iq2000.md: Translate old pipeline description to an
19663         equivalent new one.
19664
19665 2004-07-04  Roger Sayle  <roger@eyesopen.com>
19666
19667         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
19668         Ensure the replacement rhs is valid gimple before performing
19669         the substitution.  Return false if these sanity checks fail.
19670         (fold_stmt): Only set changed to true, if set_rhs returns true.
19671         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
19672         succeeds.
19673
19674 2004-07-04  Richard Henderson  <rth@redhat.com>
19675
19676         PR c/16348
19677         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
19678
19679 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
19680
19681         * configure.ac (ranlib_flags): New variable.
19682         * Makefile.in (RANLIB_FLAGS): New variable.
19683         (libbackend.a): Use it.
19684         * configure: Regenerated.
19685
19686 2004-07-04  Roger Sayle  <roger@eyesopen.com>
19687
19688         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
19689         a "sign mask" instead of using ashr_optab directly.
19690
19691 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
19692
19693         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
19694         * doc/cppopts.texi: Clarify processing of command-line defines.
19695
19696 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
19697
19698         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
19699
19700 2004-07-04  Richard Henderson  <rth@redhat.com>
19701
19702         * rtl.def (ADDRESSOF): Remove.
19703         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
19704         (find_base_term, memrefs_conflict_p): Likewise.
19705         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
19706         (fold_rtx, cse_insn, set_live_p): Likewise.
19707         * dwarf2out.c (mem_loc_descriptor): Likewise.
19708         (add_location_or_const_value_attribute): Likewise.
19709         * emit-rtl.c (copy_insn_1): Likewise.
19710         * explow.c (memory_address): Likewise.
19711         * expmed.c (store_split_bit_field): Likewise.
19712         * expr.c (expand_expr_real_1): Likewise.
19713         * function.c (instantiate_decl
19714         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
19715         * genrecog.c (preds, validate_pattern): Likewise.
19716         * integrate.c (copy_rtx_and_substitute): Likewise.
19717         * recog.c (general_operand, register_operand): Likewise.
19718         (memory_address_p): Likwise.
19719         * reload1.c (eliminate_regs, elimination_effects): Likewise.
19720         * rtl.c (copy_rtx): Likewise.
19721         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
19722         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
19723         * rtlhooks.c (gen_lowpart_general): Likewise.
19724         * stmt.c (expand_asm_operands): Likewise.
19725         * web.c (entry_register, replace_ref, web_main): Likewise.
19726         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
19727         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
19728         * config/arm/arm.c (thumb_rtx_costs): Likewise.
19729         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
19730         * config/frv/frv.c (move_destination_operand, move_source_operand,
19731         condexec_dest_operand, condexec_source_operand,
19732         condexec_memory_operand): Likewise.
19733         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
19734         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
19735         (destination_xfmode_operand): Likewise.
19736         * config/mips/mips.h (PREDICATE_CODES): Likewise.
19737         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
19738         * config/s390/s390.c (general_s_operand): Likewise.
19739         * config/s390/s390.md (mov*): Likewise.
19740         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
19741
19742         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
19743         * expr.c (expand_expr_real_1): Likewise.
19744         * stmt.c (expand_decl): Likewise.
19745         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
19746
19747         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
19748         postponed_insns, put_var_into_stack, put_reg_into_stack,
19749         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
19750         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
19751         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
19752         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
19753         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
19754         purge_bitfield_addressof_replacements, purge_addressof_replacements,
19755         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
19756         struct insns_for_mem_walk_info, insns_for_mem_walk,
19757         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
19758         setjmp_protect_args): Remove.
19759         (push_function_context_to): Don't handle var_refs_queue.
19760         (pop_function_context_from, free_after_compilation): Likewise.
19761         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
19762         (assign_parms, allocate_struct_function): Likewise.
19763         (use_register_for_decl): New.
19764         (expand_function_end): Don't setjmp_protect.
19765         * function.h (struct emit_status): Update commentary.
19766         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
19767         (max_parm_reg, parm_reg_stack_loc): Remove.
19768         * passes.c (DFI_addressof): Remove.
19769         (dump_file_info): Remove addressof.
19770         (rest_of_handle_addressof): Remove.
19771         (rest_of_compilation): Don't call it.
19772         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
19773         * stmt.c (expand_decl): Use use_register_for_decl.
19774         * tree.h: Update decls.
19775         * web.c (mark_addressof): Remove.
19776         * doc/invoke.texi (-dF): Remove.
19777
19778 2004-07-03  Richard Henderson  <rth@redhat.com>
19779
19780         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
19781         instead of gen_mem_addressof.
19782         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
19783         TImode output register.
19784
19785 2004-07-03  Richard Henderson  <rth@redhat.com>
19786
19787         PR tree-optimization/16341
19788         * tree-sra.c (sra_walk_function): Increment to next stmt before
19789         processing the current stmt.
19790         (sra_insert_after): Always use BSI_SAME_STMT.
19791
19792 2004-07-03  Richard Henderson  <rth@redhat.com>
19793
19794         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
19795         fp plus with minus.
19796
19797 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
19798
19799         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
19800         with tree_int_cst_equal.
19801
19802 2004-07-03  Andreas Schwab  <schwab@suse.de>
19803
19804         * config/ia64/ia64.md: Define new attribute "empty".
19805         (prologue_use, nop_x, insn_group_barrier): Set it.
19806
19807         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
19808         skip over "empty" insns.
19809
19810 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19811
19812         * tree-inline.c (initialize_inlined_parameters): Pass proper function
19813         context to gimplify_body.
19814         (walk_tree): Don't walk into types twice.
19815         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
19816
19817         * tree-sra.c (generate_element_init): Remove any useless conversions.
19818
19819         * gimplify.c (gimplify_conversion): Remove stripping useless
19820         conversions from here.
19821         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
19822         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
19823         Unshare before substituting PLACEHOLDER_EXPR.
19824         (gimplify_modify_expr_to_memset): Likewise.
19825         Pass address of TO to memset, not TO itself.
19826         (gimplify_init_constructor): Make copy of OBJECT so we have it each
19827         time we make an expression (to match a PLACEHOLDER_EXPR).
19828
19829         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
19830         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
19831         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
19832         * tree-ssa-dom.c (local_fold): Likewise.
19833
19834         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
19835         * langhooks.h (strct lang_hooks): New field type_max_size.
19836         * function.c (assign_temp): Call it.
19837
19838 2004-07-03  Steven Bosscher  <stevenb@suse.de>
19839
19840         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
19841         * config/sh/sh.md: Convert the SH1 pipeline description to
19842         a DFA model.
19843
19844 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
19845
19846         * c-decl.c (struct c_binding): Remove contour field; add
19847         depth, invisible, nested fields.
19848         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
19849         (B_IN_EXTERNAL_SCOPE): New convenience macros.
19850         (bind): Add invisible and nested arguments. Initialize
19851         new fields of struct c_binding; adjust loop scanning for
19852         insertion point.
19853         (free_binding_and_advance): Clear structure with memset.
19854         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
19855         in file scope, even if it's in external scope too.
19856         (pushdecl): Adjust to match.  Create invisible file-scope
19857         declarations for block-scope forward declarations of static functions.
19858         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
19859         (undeclared_variable, lookup_label, declare_label, define_label)
19860         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
19861         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
19862         (store_parm_decls_oldstyle): Adjust to match.
19863         (diagnose_mismatched_decls): Correct handling of linkage clashes.
19864         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
19865
19866         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
19867         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
19868
19869 2004-07-02  Richard Henderson  <rth@redhat.com>
19870
19871         * c-decl.c (grokdeclarator): Don't frob current_function_decl
19872         around variable_size.
19873         (set_decl_nonlocal): Remove.
19874         (store_parm_decls): Add stmts for pending sizes.
19875         * calls.c (calls_function, calls_function_1): Remove.
19876         (precompute_arguments): Don't call it.
19877         * cfgexpand.c (set_save_expr_context): Remove.
19878         (tree_expand_cfg): Don't call it.
19879         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
19880         (dwarf2out_finish): Likewise.
19881         * expr.c (emit_block_move): Adjust addresses to BLKmode.
19882         (store_constructor): Don't pre-evaluate SAVE_EXPR.
19883         (safe_from_p): Don't queue SAVE_EXPRs.
19884         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
19885         or build plain VAR_DECLs.
19886         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
19887         (fold): Likewise.
19888         (fold_checksum_tree): Don't special-case SAVE_EXPR.
19889         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
19890         (put_var_into_stack): Don't handle SAVE_EXPR.
19891         (gen_mem_addressof): Likewise.
19892         * function.h (struct function): Remove x_save_expr_regs.
19893         (save_expr_regs): Remove.
19894         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
19895         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
19896         * stor-layout.c (variable_size): Don't set it.
19897         (force_type_save_exprs, force_type_save_exprs_1): Remove.
19898         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
19899         all callers.  Don't set SAVE_EXPR_CONTEXT.
19900         * tree-inline.h (remap_save_expr): Update decl.
19901         * tree.c (save_expr): Update build size.
19902         (first_rtl_op): Don't handle SAVE_EXPR.
19903         (unsave_expr_1, contains_placeholder_p): Likewise.
19904         (decl_function_context): Likewise.
19905         * tree.def (SAVE_EXPR): Remove args 1 and 2.
19906         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
19907         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
19908
19909 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
19910
19911         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
19912         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
19913         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
19914         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
19915         some first-person references and patronizing comments.  Based on
19916         printed manual.
19917         * doc/invoke.texi: Don't reference fortran@gnu.org.
19918         * doc/trouble.texi (Warning when a non-void function value is
19919         ignored): Rewrite.  From Russ Allbery and Chris Devers.
19920
19921 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
19922
19923         * tree-ssa-pre.c (bitmap_set_t): New.
19924         (bb_value_sets): avail_out is now a bitmap_set_t.
19925         (bitmap_find_leader): New function.
19926         (bitmap_value_insert_into_set): Ditto.
19927         (bitmap_set_copy): Ditto.
19928         (bitmap_value_replace_in_set): Ditto.
19929         (bitmap_set_contains_value): Ditto.
19930         (bitmap_set_new): Ditto.
19931         (bitmap_set_pool): New pool.
19932         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
19933         (insert_aux): Ditto.
19934         (add_to_sets): Ditto.
19935         (compute_avail): Ditto
19936         (eliminate): Ditto.
19937         (init_pre): Ditto.
19938         (fini_pre): Ditto.
19939         (execute_pre): Ditto.
19940
19941 2004-07-02  Roger Sayle  <roger@eyesopen.com>
19942
19943         * config/rs6000/rs6000.c (struct processor_costs): New structure
19944         used to hold instruction latencies/sizes for processor types.
19945         (rs6000_cost): New global variable pointing to current CPU's costs.
19946         (rs6000_override_options): Initialize rs6000_cost to point to the
19947         appropriate cost table based upon rs6000_cpu and optimize_size.
19948         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
19949         timings inline.
19950
19951 2004-07-02  Richard Henderson  <rth@redhat.com>
19952
19953         * expmed.c (make_tree): Don't use SET_DECL_RTL.
19954
19955 2004-07-02  Steven Bosscher  <stevenb@suse.de>
19956
19957         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
19958
19959 2004-07-01  Richard Henderson  <rth@redhat.com>
19960
19961         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
19962         (alpha_gp_save_rtx): Use assign_stack_local instead of
19963         gen_mem_addressof.
19964
19965 2004-07-01  Richard Henderson  <rth@redhat.com>
19966
19967         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
19968         (alpha_rtx_cost_data): Update to match.
19969         (alpha_rtx_cost_size): New.
19970         (alpha_rtx_costs): Honor optimize_size.
19971
19972 2004-07-01  Richard Henderson  <rth@redhat.com>
19973
19974         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
19975         * cfgexpand.c (tree_expand_cfg): Do it here.
19976         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
19977         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
19978         * config/mips/mips.c (mips_output_mi_thunk): And here.
19979         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
19980         * config/sh/sh.c (sh_output_mi_thunk): And here.
19981         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
19982
19983 2004-07-01  Richard Henderson  <rth@redhat.com>
19984
19985         * tree.def (RTL_EXPR): Remove.
19986         * c-typeck.c (lvalue_p): Don't handle it.
19987         * expr.c (safe_from_p): Likewise.
19988         (expand_expr_real_1): Likewise.
19989         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
19990         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
19991         * gengtype.c (adjust_field_tree_exp): Likewise.
19992         * stmt.c (warn_if_unused_value): Likewise.
19993         * tree-gimple.c (recalculate_side_effects): Likewise.
19994         * tree-pretty-print.c (dump_generic_node): Likewise.
19995         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
19996         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
19997         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
19998
19999         * stmt.c (struct stmt_status): Remove x_last_expr_type,
20000         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
20001         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
20002         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
20003         all the bits that tracked last_expr.
20004         (expand_end_bindings): Don't track last_expr.
20005         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
20006         (clear_last_expr): Remove.
20007         (expand_asm): Don't call it.
20008         (expand_asm_operands, expand_end_cond): Likewise.
20009         (expand_naked_return, expand_null_return_1): Likewise.
20010         * c-typeck.c (c_begin_compound_stmt): Likewise.
20011         * cfgexpand.c (expand_block): Use expand_expr_stmt.
20012         * expr.c (expand_expr_real_1): Likewise.
20013         * tree.h: Update prototypes.
20014
20015         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
20016         (struct emit_status): Remove sequence_rtl_expr.
20017         (struct function): Remove x_rtl_expr_chain.
20018         (seq_rtl_expr, rtl_expr_chain): Remove.
20019         * function.c (struct temp_slot): Remove rtl_expr.
20020         (assign_stack_temp_for_type): Don't set it.
20021         (free_temp_slots, pop_temp_slots): Don't check it.
20022         (free_after_compilation): Don't clear x_rtl_expr_chain.
20023         (fixup_var_refs): Don't search it.
20024         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
20025         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
20026         or seq_rtl_expr.
20027         (push_topmost_sequence): Likewise.
20028         (end_sequence, init_emit): Likewise.
20029         (start_sequence_for_rtl_expr): Remove.
20030         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
20031         * rtl.h (preserve_rtl_expr_result): Remove.
20032
20033 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
20034
20035         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
20036         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
20037         typos.
20038
20039 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
20040
20041         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
20042         (STANDARD_STARTFILE_PREFIX_2): Define.
20043         (standard_startfile_prefix_1): Initialize to
20044         STANDARD_STARTFILE_PREFIX_1.
20045         (standard_startfile_prefix_2): Initialize to
20046         STANDARD_STARTFILE_PREFIX_2.
20047         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
20048         (STANDARD_STARTFILE_PREFIX_1): Define.
20049         (STANDARD_STARTFILE_PREFIX_2): Define.
20050         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
20051         (STANDARD_STARTFILE_PREFIX_2): Document.
20052
20053 2004-07-01  Richard Henderson  <rth@redhat.com>
20054
20055         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
20056         in order to disable scalarization.  Instead set a flag and wait
20057         for a candidate decl.
20058
20059 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
20060
20061         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
20062         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
20063         Use terminology "testsuite" and "enumerated".
20064
20065 2004-07-01  Richard Henderson  <rth@redhat.com>
20066
20067         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
20068         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
20069         (initial_return_save): Likewise.
20070         (flush_queued_reg_saves): Remap register numbers.
20071         (dwarf2out_return_reg): Likewise.
20072
20073 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
20074
20075         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
20076
20077         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
20078         access functions for lower bound and element size and only output
20079         if lower bound nonzero or element size not same as that of type.
20080         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
20081
20082 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20083
20084         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
20085
20086 2004-07-01  Per Bothner  <per@bothner.com>
20087
20088         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
20089
20090 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
20091
20092         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
20093         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
20094         first operand.  Don't optimize if the bitfield is volatile.
20095
20096 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20097
20098         * c-pretty-print.c (pp_c_postfix_expression): Handle
20099         floating-point comparison operators.
20100         (pp_c_expression): Pass floating-point comparison
20101         operators to pp_c_postfix_expression.
20102
20103 2004-07-01  Roger Sayle  <roger@eyesopen.com>
20104
20105         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
20106         rtx_cost instead of "had_mult" to determine whether the transformed
20107         expression is cheaper than the original.
20108
20109 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
20110
20111         * alias.c (get_alias_set, canon_rtx, get_addr,
20112         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
20113         Use MEM_P.
20114         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
20115         expand_builtin): Likewise.
20116         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
20117         Likewise.
20118         * combine.c (can_combine_p, combinable_i3pat, try_combine,
20119         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
20120         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
20121         record_dead_and_set_regs_1, get_last_value_validate,
20122         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
20123         * cse.c (check_dependence, canon_hash, equiv_constant,
20124         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
20125         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
20126         count_reg_usage): Likewise.
20127         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
20128         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
20129         cselib_record_sets): Likewise.
20130         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
20131         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
20132         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
20133         * df.c (df_uses_record): Likewise.
20134         * dojump (do_jump): Likewise.
20135         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
20136         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
20137         decl_start_label): Likewise.
20138         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
20139         operand_subword, change_address_1, make_safe_from): Likewise.
20140         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
20141         stabilize, force_not_mem): Likewise.
20142         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
20143         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
20144         * expr.c (convert_move, convert_modes, emit_block_move,
20145         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
20146         emit_move_insn_1, expand_assignment, store_expr,
20147         store_constructor_field, store_constructor, store_field,
20148         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
20149         Likewise.
20150         * final.c (cleanup_subreg_operands, alter_subreg,
20151         get_mem_expr_from_op): Likewise.
20152         * flow.c (notice_stack_pointer_modification_1,
20153         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
20154         Likewise.
20155         * function.c (mark_temp_addr_taken, preserve_temp_slots,
20156         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
20157         optimize_bit_field, flush_addressof, purge_addressof_1,
20158         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
20159         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
20160         keep_stack_depressed): Likewise.
20161         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
20162         noce_process_if_block, find_memory): Likewise.
20163         * integrate.c (subst_constants, allocate_initial_values): Likewise.
20164         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
20165         update_equiv_regs): Likewise.
20166         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
20167         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
20168         * optabs.c (expand_abs, emit_unop_insn): Likewise.
20169         * passes.c (rest_of_handle_final): Likewise.
20170         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
20171         move2add_note_store): Likewise.
20172         * ra-build.c (detect_remat_webs): Likewise.
20173         * ra-debug.c (dump_static_insn_cost): Likewise.
20174         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
20175         * recog.c (validate_change, apply_change_group, cancel_changes,
20176         validate_replace_rtx_1, general_operand, register_operand,
20177         nonmemory_operand, push_operand, pop_operand, memory_operand,
20178         indirect_operand, asm_operand_ok, offsettable_memref_p,
20179         offsettable_nonstrict_memref_p, constrain_operands,
20180         store_data_bypass_p): Likewise.
20181         * reg-stack.c (subst_stack_regs_pat): Likewise.
20182         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
20183         copy_cost, reg_scan_mark_refs): Likewise.
20184         * regmove.c (optimize_reg_copy_3, stack_memref_p,
20185         combine_stack_adjustments_for_block): Likewise.
20186         * regrename.c (copyprop_hardreg_forward_1): Likewise.
20187         * reload.c (can_reload_into, push_reload, decompose, immune_p,
20188         find_reloads, find_reloads_address, find_reloads_address_1,
20189         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
20190         find_equiv_reg): Likewise.
20191         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
20192         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
20193         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
20194         delete_address_reloads): Likewise.
20195         * resource.c (mark_referenced_resources): Likewise.
20196         * rtlanal.c (get_jump_table_offset, count_occurrences,
20197         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
20198         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
20199         num_sign_bit_copies1): Likewise.
20200         * rtlhooks.c (gen_lowpart_general): Likewise.
20201         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
20202         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
20203         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
20204         sdbout_global_decl): Likewise.
20205         * simplify-rtx.c (simplify_subreg): Likewise.
20206         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
20207         expand_anon_union_decl, expand_end_case_type): Likewise.
20208         * unroll.c (calculate_giv_inc): Likewise.
20209         * var-tracking.c (stack_adjust_offset_pre_post,
20210         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
20211         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
20212         vt_add_function_parameters): Likewise.
20213         * varasm.c (make_var_volatile, notice_global_symbol,
20214         assemble_external, decode_addr_const, mark_weak,
20215         default_encode_section_info): Likewise.
20216
20217 2004-07-01  Steven Bosscher  <stevenb@suse.de>
20218
20219         * stmt.c (check_seenlabel): Remove.
20220         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
20221
20222 2004-07-01  Richard Henderson  <rth@redhat.com>
20223
20224         * function.h (struct function): Remove x_function_call_count.
20225         (function_call_count): Remove.
20226         * calls.c (expand_call): Don't set it.
20227         * integrate.c (copy_rtx_and_substitute): Likewise.
20228
20229         * function.h (struct function): Remove x_cleanup_label.
20230         (cleanup_label): Remove.
20231         * stmt.c (expand_value_return): Don't use it.
20232         * function.c (free_after_compilation): Don't set it.
20233         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
20234         * cfgexpand.c (tree_expand_cfg): Update call.
20235         * tree.h (expand_function_start): Update decl.
20236
20237 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
20238
20239         PR c/1027
20240         * c-lang.c (c_initialize_diagnostics): Move from here ...
20241         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
20242         (c_tree_printer): Use pretty-printer to format %T.
20243         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
20244         before '*' if not C++.
20245         (pp_c_direct_abstract_declarator): Don't try to print array upper
20246         bound for flexible array members.
20247         * c-tree.h: Include "diagnostic.h".
20248         (c_initialize_diagnostics): Declare.
20249         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
20250         * c-format.c (format_type_warning): New function.  Improve
20251         diagnostics for incorrect format argument types.
20252         (check_format_types): Use it.  Add two parameters.  Use the
20253         TYPE_MAIN_VARIANT of wanted_type.
20254         (check_format_info_main): Pass new parameters to
20255         check_format_types.
20256         (struct format_wanted_type): Update comment.
20257
20258 2004-07-01  Nick Clifton  <nickc@redhat.com>
20259
20260         * target.h (struct gcc_target): Add new field to struct cxx:
20261         import_export_class.
20262         * target-def.h (TARGET_CXX): Initialise the new field.
20263         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
20264         the new field.
20265         * doc/tm.texi: Document the new target hook.
20266
20267 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20268
20269         * builtins.c (fold_builtin_classify): Fix typo.
20270
20271 2004-07-01  Richard Henderson  <rth@redhat.com>
20272
20273         * function.c (identify_blocks, identify_blocks_1): Remove.
20274         * function.h (identify_blocks): Remove.
20275         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
20276
20277 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20278
20279         * builtins.c (fold_builtin_classify): New.
20280         (fold_builtin_unordered_cmp): Fix commentary.
20281         (fold_builtin): Use it.
20282         * builtins.def: Define builtins for isnan,
20283         isnanf, isnanl, finite, finitef, finitel,
20284         isinf, isinff, isinfl.
20285
20286 2004-07-01  Richard Henderson  <rth@redhat.com>
20287
20288         * function.h (struct function): Remove dont_emit_block_notes.
20289         * gimple-low.c (lower_function_body): Don't set it.
20290         * cfgexpand.c (expand_block): Don't check it.
20291         * cfglayout.c (insn_locators_initialize): Likewise.
20292         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
20293         * passes.c (rest_of_compilation): Likewise.
20294         * stmt.c (expand_start_bindings_and_block): Likewise.
20295         (expand_end_bindings): Likewise.
20296
20297 2004-07-01  Richard Henderson  <rth@redhat.com>
20298
20299         * cgraph.h (cgraph_build_static_cdtor): Declare.
20300         * cgraphunit.c (cgraph_build_static_cdtor): New.
20301         * c-objc-common.c (build_cdtor): Use it.
20302         * coverage.c (create_coverage): Likewise.
20303         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
20304         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
20305
20306 See ChangeLog.11 for earlier changes.