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1 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2
3         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4         previous checkin.
5
6 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
7
8         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
9         (memory_address_same): New.
10         (dse_optimize_stmt): Call memory_address_same.
11
12 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
13
14         PR middle-end/24750
15         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
16         ZERO_EXTEND>: New cases.
17
18 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
19
20         * longlong.h (__clz_tab): Always provide.
21
22 2005-11-11  Steven Bosscher  <stevenb@suse.de>
23
24         PR 24265
25         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
26         can be assigned to.
27         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
28         before check_maybe_invariant.
29         (move_invariant_reg): Use gen_move_insn instead of replacing
30         SET_DEST with the temporary for the invariant.
31         (move_loop_invariants): If checking is enabled, do internal
32         consistency checks after completing the pass.
33
34 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
35
36         PR 24644
37         * common.opt (Wvolatile-register-var): New.
38         * varasm.c (make_decl_rtl): Only emit warning when option
39         specified.  Clarify warning message.
40         * doc/invoke.texi (Wvolatile-register-var): Document new option.
41
42         * doc/md.texi (copysign): Document standard named pattern.
43
44 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
45
46         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
47         bytes when align is 2.
48         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
49         by the first instruction of the loop.
50
51 2005-11-11  Jason Merrill  <jason@redhat.com>
52
53         PR c++/24686
54         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore 
55         the cleanup list.
56
57 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
58
59         PR rtl-optimization/22509
60         * local-alloc.c (memref_used_between_p): Check whether a function call
61         could not reference the memref.
62
63 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
64
65         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
66         algorithm so as to choose the best, not the worst, alternative.
67         Reset accumulated register class before processing next alternative.
68
69 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
70
71         PR target/24445
72         * calls.c (expand_call): Copy a return value to a plain register
73         if needed.
74
75 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
76
77         PR target/24778
78         * varasm.c (assemble_name): Recompute name only for transparent
79         aliases.
80
81 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
82
83         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
84
85 2005-11-04  Jeff Law  <law@redhat.com>
86
87         PR middle-end/23181
88         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
89         perform reassociation if the parent statement will not die as
90         a result of the optimization.
91
92 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
93
94         * tree-ssa-alias.c (compute_may_aliases): Remove call to 
95         delete_old_heap_vars.
96         * tree-dfa.c (referenced_var_remove): Remove function.
97         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
98         (delete_tree_ssa): Remove call to delete_old_heapvars.
99         Add call to delete_alias_heapvars.
100         * tree-flow.h (referenced_var_remove): Remove prototype
101         (init_alias_heapvars): New prototype.
102         (delete_alias_heapvars): Ditto.
103         * Makefile.in (tree-ssa-structalias.o): Add
104         gt-tree-ssa-structalias.o
105         (GTFILES): Add tree-ssa-structalias.h and
106         tree-ssa-structalias.c.
107         (s-gtype): Add gt-tree-ssa-structalias.h.
108         * tree-ssa-structalias.c (heapvars): Remove.
109         (oldheapvars): Remove.
110         (heapvar_for_stmt): New variable.
111         (heapvar_lookup): New function.
112         (heapvar_insert): Ditto.
113         (get_constraint_for): See if we have an old heapvar
114         to reuse.
115         (init_alias_heapvars): New function.
116         (delete_alias_heapvars): Ditto.
117         Add include of gt-tree-ssa-structalias.h.
118
119 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
120
121         PR middle-end/22127
122         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
123
124 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
125
126         * tree.c (int_fits_type_p): Only look at the base type
127         if it has the same precision as the original type.
128
129 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
130
131         PR other/4372
132         * varasm.c (assemble_alias): Use %q+D in the error
133         message instead of %J and %qD.
134
135 2005-11-10  Richard Guenther  <rguenther@suse.de>
136
137         * gcse.c (free_ldst_entry): Only free hashtable if
138         it exists.
139
140 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
141
142         * function.c (assign_stack_local_1): Issue an error message if
143         the frame size overflows in the signed target arithmetics.
144
145 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
146
147         * tree.c (build_qualified_type): Chain the new type to the original
148         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
149         a POINTER_TYPE or a REFERENCE_TYPE respectively.
150         (build_pointer_type_for_mode): Only return unqualified types.
151         (build_reference_type_for_mode): Likewise.
152
153 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
154
155         * Makefile.in (gnucompare): Do comparison of all files using one of
156         the chosen methods and only afterwards decide if just warning should
157         be issued or comparison failure raised.
158
159 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
160
161         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
162         (noce_try_abs): Negate if the comparison is reversed.
163         Look only one instruction backwards for a REG_EQUAL note.
164
165 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
166
167         PR other/4372
168         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
169         gthr-tpf.h: Define __gthrw.  For all identifiers that might
170         be weak, introduce weakrefs or non-weak aliases with __gthrw,
171         and prefix all uses with __ghtrw.
172
173 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
174
175         PR other/4372
176         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
177         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
178         * c-common.c (handle_weakref_attribute): New.
179         (c_common_attribute_table): Add weakref.
180         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
181         in the assembler.
182         * configure, config.in: Rebuilt.
183         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
184         * doc/extend.texi: Document weakref attribute.
185         * varasm.c (ultimate_transparent_alias_target): New
186         (assemble_name): Use it.
187         (weak_finish_1): Split out of...
188         (weak_finish): ... and deal with weakrefs in...
189         (weakref_targets): ... new list.
190         (globalize_decl): Clean up weakref_targets.
191         (do_assemble_alias): Handle weakrefs.
192         (finish_aliases_1): Do not reject weakrefs to external symbols.
193         (assemble_alias): Handle weakrefs.
194
195 2005-11-09  Richard Guenther  <rguenther@suse.de>
196
197         PR tree-optimization/24716
198         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
199         t_bool to track results from follow_ssa_edge.
200
201 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
202
203         * final.c (force_source_line): New global variable.
204         (final_scan_insn): Set it to true instead of clearing last_filename.
205         (notice_source_line): Return true if force_source_line is true,
206         unless source info is absent.
207
208 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
209
210         PR c/24644
211         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
212         a linkage name for a variable if it a register variable.
213         * c-decl.c (grokdeclarator): Global register variables
214         should be set as PUBLIC.
215
216 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
217
218         PR 24624
219         * config/s390/s390.c (struct s390_frame_layout): New fields 
220         first_save_gpr_slot and last_save_gpr_slot.
221         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,  
222         s390_emit_epilogue, s390_initial_elimination_offset): Replaced 
223         first_save_gpr and last_save_gpr with the _slot variants.
224         (s390_register_info): Calculate first_save_gpr_slot and 
225         last_save_gpr_slot using regs_ever_live.
226
227 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
228
229         PR 24623
230         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
231         for a function containing a landing pad.
232
233 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
234
235         PR 24034
236         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
237         is live afterwards.
238
239 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
240
241         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
242         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
243
244 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
245
246         Add ms2 support
247         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
248         constants.
249         (call,load,store): New insn types.
250         (mem_access, branch_access): Adjust reservation conditions.
251         (define_delay): Adjust condition.
252         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
253         type.
254         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
255         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
256         insn type.
257         (call_internal, call_value_internal, return_internal,
258         return_interrupt_internal, eh_return_internal, indirect_jump,
259         tablejump): Set call insn type.
260         (blockage, ei, di): Use appropriate unspec const.
261         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
262         (ms1_get_attr_type): Adjust to give load & store types.
263         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
264         backwards past a barrier.
265         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
266         branch scheduling.
267         (struct branch_info, struct label_info): New.
268         (ms1_labels): New.
269         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
270         (ms1_machine_reorg): New.
271         (TARGET_MACHINE_DEPENDENT_REORG): Override.
272         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
273         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
274         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
275         (TARGET_MS2): New.
276
277 2005-11-09  Per Bothner  <per@bothner.com>
278             Uros Bizjak  <uros@kss-loka.si>
279         
280         PR c/24101
281         * toplev.c (process_options): Initialize debug_hooks early
282         in case lang_hooks.post_options ends up calling a debug_hook.
283
284 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
285
286         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
287         DBX_REGISTER_NUMBER being contiguous.
288
289 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
290             Diego Novillo  <dnovillo@redhat.com>
291
292         PR 23046
293         * tree-vrp.c (register_edge_assert_for): Do not register
294         always-false predicates.
295
296 2005-11-08  Devang Patel <dpatel@apple.com>
297
298         PR tree-optimization/23115
299         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
300         relation.
301
302 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
303
304         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
305         -mcpu=440.
306
307 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
308
309         Fix PR tree-optimization/23382
310
311         * tree-ssa-alias.c (compute_may_aliases): Call
312         delete_old_heap_vars.
313         * tree-dfa.c (referenced_var_remove): New function.
314         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
315         * tree-flow.h (referenced_var_remove): Add prototype.
316         (delete_old_heap_vars): Ditto.
317         * tree-ssa-structalias.c (heapvars): New variable.
318         (oldheapvars): Ditto.
319         (get_constraint_for): Put heap vars on heapvars list.
320         (delete_old_heap_vars): New function.
321         
322 2005-11-08  Jason Merrill  <jason@redhat.com>
323
324         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
325
326 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
327
328         PR target/19340
329         * reg-stack.c (reg_to_stack): Update register liveness also
330         for flag_sched2_use_traces.
331
332 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
333
334         PR target/23704
335         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
336         override prior explicit -mno-powerpc-gfxopt.
337
338 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
339
340         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
341         if the bitsize is zero.
342         * doc/md.texi (Standard Pattern Names): Document it.
343
344         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
345         (TARGET_PASS_BY_REFERENCE): Likewise.
346
347 2005-11-07  Ian Lance Taylor  <ian@airs.com>
348
349         PR rtl-optimization/24683
350         * config/i386/i386.c (legitimize_pic_address): If constant operand
351         to PLUS is too large, put it in a register.
352
353 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
354
355         * configure.ac: Enable checking assembler dwarf2 support for bfin
356         target.
357         * configure: Regenerate.
358
359 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
360
361         PR target/24230
362
363         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
364         gen_easy_vector_constant_add_self): Delete.
365         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
366         New.
367         (output_vec_const_move): Use gen_easy_altivec_constant.
368         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
369         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
370         (easy_vector_constant_add_self): Rewritten.
371         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
372         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
373         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
374         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
375         Macroize and adjust for the other changes.
376
377 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
378
379         PR c/24599
380
381         * c-typeck.c (build_c_cast): Try using a shared constant, and see
382         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
383
384 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
385
386         PR rtl-optimization/23567
387         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
388         (noce_process_if_block): Don't do any optimizations except
389         if (cond) x = x; if !set_b and write into orig_x may trap
390         or fault.  Remove the MEM_READONLY_P check.
391
392 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
393
394         PR 24670
395         * tree-vrp.c (fix_equivalence_set): New.
396         (extract_range_from_assert): Call it.
397
398 2005-11-05  Ian Lance Taylor  <ian@airs.com>
399
400         PR target/22432
401         * combine.c (apply_distributive_law): Don't distribute across a
402         vector mode subreg.
403
404 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
405
406         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
407         config/ms1/ms1.h, config/rs6000/predicates.md,
408         config/s390/s390.c, params.def, postreload-gcse.c,
409         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
410         tree-vrp.c, tree.c: Fix comment typos.
411         * doc/invoke.texi: Fix typos.
412
413 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
414
415         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
416         for testing whether the data_dependence_relation contains distance
417         vectors.  Iterate over all distance vectors of the ddr.
418         * lambda.h: Define a vec of lambda_vector pointers.
419         * tree-data-ref.c (dump_data_dependence_relation,
420         dump_data_dependence_direction): Iterate over all distance and
421         direction vectors of the ddr.
422         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
423         DDR_DIST_VECTS.
424         (build_classic_dist_vector, build_classic_dir_vector): Push a set
425         of distance/direction vectors instead of a single one.
426         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
427         lambda_vectors with a vec of lambda_vectors.
428         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
429         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
430         DDR_NUM_DIST_VECTS): New.
431         * tree-loop-linear.c (gather_interchange_stats): Test for the
432         existence of distance vectors only after having checked that there
433         is a dependence.  Iterate over all distance vectors of the ddr.
434         (linear_transform_loops): Use dump_data_dependence_relation.
435         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
436         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
437         distance vectors of the ddr.
438
439 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
440
441         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
442         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
443         IS_INTHANDLER; all callers changed.
444         (n_regs_saved_by_prologue): Take interrupt handler attributes into
445         account.
446         (do_link, do_unlink): New argument ALL; all callers changed.
447         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
448         If function isn't leaf, save and restore all registers.
449         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
450         exception handler.
451
452 2005-11-05  Jan Hubicka  <jh@suse.cz>
453
454         PR rtl-optimization/23490
455         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
456         max-flow-memory-location): Document.
457         * flow.c: Include params.h
458         (MAX_MEM_SET_LIST_LEN): Kill.
459         (add_to_mem_set_list): Use new param.
460         * cse.c (cse_basic_block): Replace 1000 by new param.
461         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
462         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
463         * predict.c (predict_loops): Use new param.
464         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
465
466         * ipa-inline.c (cgraph_decide_inlining_of_small_function, 
467         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
468         Do not hold memory returned by cgraph_node_name across other call.
469
470 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
471
472         PR target/23424
473         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
474         Disable.
475
476 2005-11-04  Jeff Law  <law@redhat.com>
477
478         PR/21883
479         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
480         * tree-ssa-dom.c: Include params.h.
481         (thread_across_edge): If there are too many statements in the
482         target block, then do not thread through it.
483         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
484         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
485
486 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
487
488         PR 24627
489         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
490         TODO_update_ssa instead of TODO_update_ssa_no_phi.
491
492 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
493
494         PR/18595
495         * tree-scalar-evolution.c (instantiate_parameters_1,
496         instantiate_parameters, resolve_mixers): Compute the size of an
497         expression to be instantiated and give up the instantiation if the
498         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
499
500 2005-11-04  Richard Guenther  <rguenther@suse.de>
501
502         * tree-flow.h (ref_contains_indirect_ref): Rename to
503         array_ref_contains_indirect_ref.
504         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
505         (array_ref_contains_indirect_ref): Make comment match the code
506         and vice-versa.
507         (ref_contains_array_ref): Likewise.
508         * tree-ssa-structalias.c (find_func_aliases): Remove call to
509         ref_contains_indirect_ref.
510         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
511         Rename calls to ref_contains_indirect_ref.
512
513 2005-11-04 Paul Brook  <paul@codesourcery.com>
514
515         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
516         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
517         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
518         * config/arm/arm.md: Use match_operand in peephole input templates
519         and match_dup in peephole output templates.
520
521 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
522
523         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
524         __aeabi_uidiv.
525
526 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
527             Daniel Jacobowitz  <dan@codesourcery.com>
528
529         * longlong.h (add_ssaaaa): Clobber condition code register
530         in ARM version.
531         (sub_ddmmss): Likewise.
532         (umul_ppmm): Likewise.
533
534 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
535             Paul Brook  <paul@codesourcery.com>
536             Phil Blundell  <pb@reciva.com>
537
538         * configure.ac: Add test for ARM TLS support.
539         * configure: Regenerated.
540         * config/arm/arm-protos.h (legitimize_tls_address)
541         (arm_tls_referenced_p, tls_mentioned_p)
542         (arm_output_addr_const_extra): New prototypes.
543         (thumb_legitimize_pic_address): Delete.
544         * config/arm/arm.c: Include "gt-arm.h".
545         (enum tls_reloc): New.
546         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
547         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
548         (arm_call_tls_get_addr, legitimize_tls_address)
549         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
550         (arm_init_tls_builtins, arm_emit_tls_decoration)
551         (arm_output_addr_const_extra): New functions.
552         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
553         (TARGET_HAVE_TLS): Define.
554         (target_thread_pointer): New.
555         (arm_override_options): Handle -mtp=.
556         (legitimize_pic_address): Ignore UNSPECs.
557         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
558         relative symbols.
559         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
560         (tls_get_addr_libfunc): New variable.
561         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
562         (arm_init_builtins): Call arm_init_tls_builtins.
563         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
564         (arm_encode_section_info): Call default_encode_section_info.
565         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
566         (enum arm_tp_type): New.
567         (target_thread_pointer): Add declaration.
568         (LEGITIMATE_CONSTANT_P): Handle TLS.
569         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
570         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
571         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
572         * config/arm/arm.md: Add UNSPEC_TLS.
573         (movsi): Handle TLS.
574         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
575         non-PIC.
576         (tls_load_dot_plus_eight): New insn and a peephole to create it.
577         (load_tp_hard, load_tp_soft): New insns.
578         * arm.opt: Add -mtp=.
579         * doc/invoke.texi (ARM Options): Document -mtp.
580
581 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
582
583         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
584         * config/arm/libunwind.S: Include "lib1funcs.asm".
585         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
586         (LIB2ADDEH): Add libunwind.S.
587         (LIB2ADDEHDEP): Add lib1funcs.asm.
588         * mklibgcc.in: Handle asm files in libgcc_eh.a.
589
590 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
591
592         PR fortran/18452
593         * gcc/c.opt: Add a -lang-fortran option.
594         * gcc/c-opts.c: Add a lang_fortran flag.
595         (c_common_init_options): Handling the -lang-fortran option.
596         (c_common_handle_option): Add a case for Fortran options in
597         preprocessing. Remove cases for -ffixed-form and
598         -ffixed-line-length. Add a case for -lang-fortran.
599
600 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
601
602         * config/rs6000/rs6000.c: Include params.h
603         (optimization_options): Set max-grow-copy-bb-insns default to 16.
604         (bdesc_2arg): Delete vpkuhss and vpkuwss.
605         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
606         (UNSPEC_VPKUWSS): Delete.
607         (altivec_vpkuhss): Delete.
608         (altivec_vpkuwss): Delete.
609         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
610         final condition.
611         (neg_eq0<mode>): Remove final condition.
612         (neg_eq<mode>): Remove condition and split-condition.
613
614 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
615
616         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
617         Use associated print macros.
618
619 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
620
621         PR c++/17964
622         * diagnostic.c (diagnostic_set_info_translated): New function.
623         (diagnostic_set_info): Use it.  Add comment.
624         * diagnostic.h (diagnostic_set_info_translated): Declare.
625
626 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
627
628         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
629         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
630         reference only if 'public' is true.
631         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
632         emit the .hidden directive only if the indirect reference is public.
633         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
634         Pass it to dw2_force_const_mem.
635         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
636         * dwarf2out.c (output_cfi): Adjust calls to above function.
637         (output_call_frame_info): Likewise.
638         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
639         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
640
641 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
642
643         PR tree-optimization/24483
644         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
645         field to elts if possible.
646
647 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
648
649         PR middle-end/23155
650         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
651         CONSTRUCTOR.
652
653 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
654
655         Fix PR tree-optimization/24351
656
657         * tree-ssa-structalias.c (struct variable_info): Add
658         collapsed_into.
659         (get_varinfo_fc): New function to follow collapsing.
660         (new_var_info): Set collapsed_to to NULL.
661         (dump_constraint): Follow collapsing.
662         (build_constraint_graph): Handle collapsing.
663         (do_simple_structure_copy): Return false if something bad
664         happened.
665         (collapse_rest_of_var): New function.
666         (do_structure_copy): Collapse if do_simple_structure_copy returns
667         false.
668         
669 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
670
671         PR middle-end/24589
672         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
673         expressions to a statement list instead of gimplifying them.
674
675 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
676
677         PR rtl-optimization/23585
678         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
679         that can't trap plus a constant integer, if the mode has zero size.
680
681 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
682
683         PR target/24620
684         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
685         as operand 2.
686         ("*insv<mode>_reg_extimm"): Likewise.
687
688 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
689
690         PR c/24329
691         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
692         c_common_type_for_mode returns an unnamed type.
693
694 2005-11-02  Richard Henderson  <rth@redhat.com>
695
696         PR target/9350
697         PR target/24374
698         * dwarf2out.c (dwarf2out_reg_save_reg): New.
699         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
700         * function.c (assign_parms): Use calls.internal_arg_pointer.
701         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
702         code.
703         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
704         (TARGET_CALLS): Add it.
705         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
706         * targhooks.c (default_internal_arg_pointer): New.
707         * targhooks.h (default_internal_arg_pointer): Declare.
708         * tree.h (dwarf2out_reg_save_reg): Declare.
709         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
710         * config/i386/i386.c (dbx_register_map): Add return column.
711         (dbx64_register_map, svr4_dbx_register_map): Likewise.
712         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
713         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
714         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
715         (ix86_save_reg): Save force_align_arg_pointer.
716         (ix86_emit_save_regs): Make regno unsigned.
717         (ix86_emit_save_regs_using_mov): Likewise.
718         (ix86_expand_prologue): Handle force_align_arg_pointer.
719         (ix86_expand_epilogue): Likewise.
720         * config/i386/i386.h: (dbx_register_map): Update.
721         (dbx64_register_map, svr4_dbx_register_map): Update.
722         (struct machine_function): Add force_align_arg_pointer.
723         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
724         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
725         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
726
727 2005-11-02  Jan Hubicka  <jh@suse.cz>
728
729         PR target/23303
730         * i386.md: Add peep2 for simplyfing array accesses.
731
732 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
733
734         PR target/24615
735         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
736         * config/s390/s390.c (s390_decompose_shift_count): New function.
737         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
738         (print_shift_count_operand): Use s390_decompose_shift_count.
739         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
740         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
741
742 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
743
744         PR target/24600
745         * loop.c (loop_givs_rescan): Use force_operand to expand
746         complex GIVs.
747
748 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
749
750         PR 22429
751         * fold-const.c (build_range_check): Use unsigned when signed
752         overflow is undefined also.  If etype is subtype, make sure that
753         the subtraction is in the supertype.
754
755 2005-11-02  Richard Henderson  <rth@redhat.com>
756
757         PR target/24178
758         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
759         by MEM_ALIGN.
760
761 2005-11-01  Richard Henderson  <rth@redhat.com>
762
763         PR 21518
764         * loop.c (scan_loop): Do not propagate computations to a hard
765         register destination with SMALL_REGISTER_CLASSES.
766
767 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
768
769         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
770         costs for MULT inside PLUS or MINUS.
771
772 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
773
774         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
775         (TRAMPOLINE_SIZE): Round up to 60.
776         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
777
778 2005-10-31  James E. Wilson  <wilson@specifix.com>
779
780         PR debug/24444
781         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
782         ifdef.  Put ifdefs around call in gen_subprogram_die.
783         (compute_frame_pointer_to_cfa_displacement): Likewise.
784         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
785         not defined.
786         
787         PR rtl-optimization/17356
788         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
789         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
790
791 2005-10-31  Jan Hubicka  <jh@suse.cz>
792
793         PR middle-end/24093
794         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
795
796         PR target/20928
797         * i386.c (legitimize_pic_address): Deal with large immediates.
798
799         PR profile/20815
800         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
801         from symbol names while computing checkup.
802
803         PR profile/24487
804         * predict.c (predict_loops): Do not estimate more than
805         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
806         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
807
808 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
809         
810         PR tree-optimization/19097
811         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
812
813 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
814
815         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
816
817 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
818
819         PR middle-end/23492
820         * tree-inline.c (setup_one_parameter): If the init_stmt
821         is NULL, don't insert the statement.
822
823 2005-10-30  Jan Hubicka  <jh@suse.cz>
824
825         PR tree-optimization/24172
826         * tree-inline.c (copy_body_r): Unshare the substituted value first.
827
828 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
829
830         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
831         constants for hosts with long != 32 bits.
832
833 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
834
835         PR middle-end/24093
836         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
837
838 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
839
840         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
841         (TARGET_MS1_16_002): New.
842         (TARGET_MS1_16_003): New.
843
844         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
845         ("*decrement_and_branch_until_zero_no_clobber"): New.
846         Add corresponding splitter for decrement_and_branch_until_zero
847         instruction.
848         Key all decrement_and_branch_until_zero patterns off of
849         TARGET_MS1_16_003.
850
851 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
852
853         PR middle-end/24362
854         * tree-complex.c (extract_component): Treat RESULT_DECL
855         like the rest of the decls.
856
857 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
858
859         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
860         indirect call to _mcount if the function needs a static chain.
861
862 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
863             Caroline Tice  <ctice@apple.com>
864
865         PR rtl-optimization/24460
866         * dwarf2out.c (have_switched_text_sections): New boolean variable.
867         (dwarf2out_switch_text_section): Set it to true instead of
868         incrementing separate_line_info_table_in_use.
869         (output_loc_list): Additionally test have_switched_text_sections.
870         (output_ranges): Likewise.
871         (dwarf2out_finish): Likewise.
872         * varasm.c (assemble_start_function): Do not call
873         insert_section_boundary_note.
874         (assemble_end_function): If flag_reorder_blocks_and_partition,
875         switch to the function's section before emitting the .size directive.
876         * bb-reorder.c (insert_section_boundary_note): Staticify.
877         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
878         * output.h (insert_section_boundary_note): Delete.
879
880 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
881
882         PR c/23103
883         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
884         instead of pointer equality when comparing types.
885
886 2005-10-24  James E. Wilson  <wilson@specifix.com>
887
888         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
889         add_dependence_list_and_free calls.
890
891 2005-10-24  Steven Bosscher  <stevenb@suse.de>
892
893         * contrib.texi: Add the names of the LLNL folks who donated
894         Cray pointer support for gfortran.
895
896 2005-10-24  Steven Bosscher  <stevenb@suse.de>
897
898         PR tree-optimization/24225
899         * profile.c (branch_prob): Look from end to start through a
900         basic block when looking for a locus.
901
902 2005-10-24  Richard Henderson  <rth@redhat.com>
903
904         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
905         parallel.
906         (hppa_expand_prologue): Likewise.
907
908 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
909
910         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
911         (NO_DEFERRED_PROFILE_COUNTERS): Define.
912         * pa.h (NO_PROFILE_COUNTERS): Define.
913         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
914         (funcdef_nos): New vector to hold label numbers of deferred profile
915         counters.
916         (output_deferred_profile_counters): New function.
917         (hppa_profile_hook): Push label number onto funcdef_nos.
918         (pa_hpux_file_end): Call output_deferred_profile_counters if
919         NO_DEFERRED_PROFILE_COUNTERS is false.
920
921         * pa-protos.h (get_deferred_plabel): New prototype.
922         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
923         Make global.
924         (output_call): Adjust calls.
925
926 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
927
928         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
929         peculiarity of GOT/TOC section usage.
930
931 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
932
933         PR objc/24435
934          * c-common.c (constant_string_class_name): Add documentation.
935
936 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
937
938         PR target/23832
939         * recog.c (peephole2_optimize): Increment peep2_current_count
940         only when the slot is empty.
941
942 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
943
944         PR ada/23957
945         * except.c (output_function_exception_table): Call
946         assemble_external_libcall if we need a personality function.
947
948 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
949
950         PR rtl-optimization/24460
951         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
952         set the basic block for barriers.
953
954 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
955
956         * var-tracking.c (vt_initialize): Initialize post.
957
958 2005-10-21  Devang Patel  <dpatel@apple.com>
959
960         PR/24220
961         * c-common.c (vector_types_convertible_p): Check vector element type.
962         
963 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
964
965         * config/sh/sh.c (prepare_move_operands): Handle the address
966         constant which is a tls symbolic address plus a constant.
967
968 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
969
970         PR driver/24473
971         * gcc.c (main): Use the correct counter for erroring out
972         about mulitple files.
973
974 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
975
976         PR target/24465
977         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
978         use r2 for 64-bit tls .got access.
979
980 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
981
982         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
983         TRUTH_OR_EXPR.
984
985 2005-10-20  Steven Bosscher  <stevenb@suse.de>
986
987         PR tree-optimization/24307
988         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
989
990 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
991
992         PR middle-end/24295
993         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
994         alias targets.
995         * varasm.c (find_decl_and_mark_needed): After cgraph global info
996         is ready, stop marking functions, but still mark variables.
997
998 2005-10-20  Richard Guenther  <rguenther@suse.de>
999
1000         PR c++/24439
1001         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1002         void type operands.
1003
1004 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
1005
1006         PR rtl-optimization/23585
1007         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1008         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
1009         (may_trap_p_1): New predicate extracted from...
1010         (may_trap_p): ... here.  Invoke may_trap_p_1.
1011         (may_trap_or_fault_p): New predicate.
1012         * rtl.h (may_trap_or_fault_p): Declare it.
1013         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1014         instead of may_trap_p.
1015         (steal_delay_list_from_fallthrough): Likewise.
1016         (fill_simple_delay_slots): Likewise.
1017         (fill_slots_from_thread): Likewise.
1018         * function.c (pad_to_arg_alignment): Rework comment about
1019         SPARC_STACK_BOUNDARY_HACK.
1020         * config/sparc/sparc.h: Likewise.
1021
1022 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
1023
1024         * config/s390/s390.c (s390_expand_insv): New.
1025         * config/s390/s390-protos.h (s390_expand_insv): Declare.
1026         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1027         ("icm_hi"): Remove mode attribute.
1028         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1029         Adjust all uses.
1030         ("*extracthi", "*extractqi"): Remove.
1031         (extv<mode>", "*extzv<mode>"): New.
1032         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1033         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1034
1035 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1036
1037         * cfgexpand.c (discover_nonconstant_array_refs_r,
1038         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1039         (tree_expand_cfg): Call discover_nonconstant_array_refs.
1040         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1041         discover_nonconstant_array_refs.
1042
1043 2005-10-19  Steven Bosscher  <stevenb@suse.de>
1044
1045         PR c/23228
1046         * c-decl.c (pop_scope): Don't warn about an unused variable
1047         if it is marked with TREE_NO_WARNING.
1048         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1049         somenow mismatch and olddecl is to be replaced.
1050
1051 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1052
1053         PR middle-end/23199
1054         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1055         whether registers live on the edge can be saved/restored.
1056
1057 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1058
1059         * config/sh/sh.c (fixup_mova): Skip notes.
1060
1061 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1062
1063         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1064         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1065         (s390_can_eliminate): Handle BASE_REGNUM elimination.
1066         (s390_initial_elimination_offset): Likewise.
1067         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1068         register on TARGET_ZARCH targets.
1069         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1070         (INITIAL_FRAME_POINTER_OFFSET): Remove.
1071         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1072         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1073
1074 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1075
1076         * config/s390/s390.md: Comment describing output modifiers updated.
1077         * config/s390/s390.c (print_operand): Likewise.
1078
1079 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1080
1081         * config/s390/s390.c (override_options): Added check for -mstack-size
1082         64k limitation.
1083         * doc/invoke.texi: Mention that limit in the documenation.
1084
1085 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
1086
1087         PR #19672
1088         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1089
1090 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
1091
1092         Fix PR tree-optimization/24231
1093
1094         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1095         (compute_avail): Ditto.
1096
1097 2005-10-18  Richard Henderson  <rth@redhat.com>
1098
1099         PR target/24428
1100         * config/i386/i386.c (legitimate_constant_p): Check
1101         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
1102         if LABEL_REF.
1103         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1104         (legitimate_pic_address_disp_p): Reorg CONST checking to make
1105         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
1106         directly.
1107         (print_operand_address): Likewise.
1108         * config/i386/predicates.md (x86_64_immediate_operand): Test
1109         SYMBOL_REF_TLS_MODEL properly inside CONST.
1110         (x86_64_zext_immediate_operand): Likewise.
1111         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1112         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1113         * config/i386/i386-protos.h: Remove predicates.md entries.
1114
1115 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1116
1117         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1118         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1119
1120 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
1121             Ian Lance Taylor <ian@airs.com>
1122
1123         PR middle-end/23522
1124         * fold-const.c (fold_widened_comparison): Do not allow range based
1125         constant folding when right operand cannot be unwidened.
1126
1127 2005-10-17  Richard Henderson  <rth@redhat.com>
1128
1129         * builtins.c (expand_builtin_synchronize): Build a new-style asm
1130         with a memory clobber.
1131
1132 2005-10-17  James E Wilson  <wilson@specifix.com>
1133
1134         PR rtl-optimization/17356
1135         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1136         checking for EDGE_EH.
1137
1138 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1139
1140         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1141         the slot on an even boundary for any type with 16-byte alignment.
1142
1143 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
1144
1145         PR target/23424
1146         * md.texi (Modifiers) <%>: Clarify that % doesn't work
1147         after register allocation.
1148
1149 2005-10-17  DJ Delorie  <dj@redhat.com>
1150
1151         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1152         as frame related.
1153
1154 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
1155
1156         PR c++/22551
1157         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1158         overflow flags.
1159
1160 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1161
1162         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1163         to 2 if it's already non-zero.
1164         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1165         is set and warn about it if flag_schedule_insns is 1.
1166
1167 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
1168
1169         * config/crx/crx.md: Compare-and-branch instructions need to
1170         invalidate CC.
1171
1172 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
1173
1174         PR target/24315
1175         * config/i386/i386.md (*pushdi2_rex64 splitter)
1176         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1177         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1178         flow2 pass only when (optimize > 0 && flag_peephole2).
1179
1180 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
1181
1182         PR driver/22544
1183         * gcc.c (have_c): New static variable.
1184         (have_o): Likewise.
1185         (process_command): Remove declation of have_c.
1186         Set have_o to 1 when handling -o.
1187         (main): Add a fatel error if there are multiple
1188         files specified and -o and -c/-S is passed witout
1189         -combine or multiple languages.
1190
1191 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
1192
1193         Fix PR tree-optimization/22444
1194         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1195         Assert that we don't hit something with subvars.
1196         (setup_pointers_and_addressables): Don't add things with subvars,
1197         because we'll already process the subvars for aliasing purposes.
1198
1199 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
1200
1201         PR target/23424
1202         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1203         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1204         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1205         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1206         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1207         swapped, alternatives for the R constraint.
1208
1209         PR middle-end/24341
1210         * builtins.c (get_builtin_sync_mode): Make unlimited
1211         mode_for_size request.
1212
1213 2005-10-15  Richard Henderson  <rth@redhat.com>
1214
1215         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1216         (gimplify_expr): ... here.
1217         (gimplify_compound_lval): Use it in initial scan loop.  Allow
1218         fb_lvalue in base expression.
1219
1220 2005-10-15  Richard Henderson  <rth@redhat.com>
1221
1222         PR 23714
1223         * builtins.c (expand_builtin_trap): Export.
1224         * expr.h (expand_builtin_trap): Declare.
1225         * expr.c (expand_assignment): Emit a trap for integral offsets 
1226         from registers that weren't reduced to bitpos.
1227
1228         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1229         (mark_array_ref_addressable): Remove.
1230         * tree-flow.h (mark_array_ref_addressable): Remove.
1231         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1232
1233 2005-10-15  James E Wilson  <wilson@specifix.com>
1234
1235         PR target/24232
1236         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
1237         (add_dependence_list_and_free): Likewise.
1238         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1239         call.
1240
1241 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
1242
1243         PR 23141
1244         PR 23142
1245         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1246         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1247         anti-range.
1248         (vrp_visit_phi_node): Only prevent infinite iterations when
1249         the previous result and the new result are both VR_RANGEs.
1250
1251 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
1252
1253         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1254         function comment.
1255
1256 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1257
1258         PR c/23439
1259         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1260         to initialize loc.
1261
1262 2005-10-14  Per Bothner  <per@bothner.com>
1263
1264         PR preprocessor/21250
1265         * c-ppoutput.c (print_line): Print internal line 0 as 1.
1266
1267 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
1268
1269         PR c++/22551
1270         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1271         overflow flags.  Refactor some conditionals.
1272
1273 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
1274
1275         PR tree-opt/21304
1276         * tree-dfa.c (add_referenced_var): Only look at decls which
1277         have TREE_CONSTANT or TREE_READONLY set instead of if
1278         !TREE_PUBLIC or !TREE_CONSTANT.
1279
1280 2005-10-13  James E Wilson  <wilson@specifix.com>
1281
1282         * doc/invoke.texi: For -x, add f95-cpp-input.
1283         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1284
1285 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
1286
1287         PR tree-optimization/24262
1288         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1289         in loop all the time.
1290
1291 2005-10-12  Richard Henderson  <rth@redhat.com>
1292
1293         PR c/24255
1294         * tree.h (DECL_TRANSPARENT_UNION): Remove.
1295         * function.c (assign_parm_find_data_types): Don't support it.
1296         * print-tree.c (print_node): Likewise.
1297         * c-common.c (handle_transparent_union_attribute): Likewise.
1298         Use build_duplicate_type.
1299         * tree-inline.c (remap_type_1): Split out of remap_type;
1300         properly remap aggregate fields.
1301         (build_duplicate_type): New.
1302         * doc/extend.texi (Variable Attributes): Remove documentation
1303         for transparent_union.
1304
1305 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1306
1307         PR target/24284
1308         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1309         (gen_stack_pointer_dec): Likewise.
1310
1311 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
1312
1313         PR middle-end/21275
1314         PR middle-end/21766
1315         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1316         target hook.
1317         (struct cxx): Add adjust_class_at_definition target hook.
1318         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1319         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1320         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
1321         hook_void_tree. Add to TARGET_CXX.
1322         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1323         dllimport_flag.
1324         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1325         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1326         instead of attribute. Check for dllexport override.  Warn if
1327         inconsistent dll linkage. Don't lose old dllimport if decl has
1328         had address referenced.   Tweak lookup of dllimport atribute.  
1329         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1330         for target specific rules.  Don't add dllimport attribute if
1331         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
1332         dllimport attribute. 
1333         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1334         * varasm.c (initializer_constant_valid_p): Replace
1335         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1336
1337         PR target/21801
1338         PR target/23589
1339         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
1340         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1341         (i[34567]86-*-mingw32*): Likewise.
1342
1343         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1344         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1345                         
1346         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1347         C++-specific code. Change return value to bool. 
1348         (i386_pe_dllimport_p): Likewise.
1349         (associated_type): Simplify and make language-independent
1350         (i386_pe_encode_section_info): Replace override of ambiguous
1351         dllimport symbol refs with a gcc_assert.
1352         (i386_pe_valid_dllimport_attribute_p): Define.
1353         * config/i386/winnt-cxx.c: New file. Define C++ versions of
1354         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1355         i386_pe_adjust_class_at_definition.
1356         * config/i386/winnt-stubs.c: New file. Define stub versions of
1357         lang-specific functions.
1358         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1359         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
1360         i386_pe_adjust_class_at_definition.
1361         (i386_pe_valid_dllimport_attribute_p): Declare. 
1362         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1363         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1364         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1365
1366         PR target/19704
1367         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1368         dllimport attribute with test of DECL_DLLIMPORT_P.
1369
1370 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
1371
1372         * combine.c (make_extraction): Correct offset computation.
1373
1374 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
1375
1376         * config/cris/t-linux (LIMITS_H_TEST): Define.
1377
1378 2005-10-12  Richard Henderson  <rth@redhat.com>
1379
1380         PR rtl-opt/23324
1381         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1382
1383 2005-10-12  Richard Guenther  <rguenther@suse.de>
1384
1385         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1386
1387 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
1388
1389         PR c++/19964
1390         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1391         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1392         type.
1393
1394 2005-10-12  Richard Guenther  <rguenther@suse.de>
1395
1396         PR c++/23799
1397         * varasm.c (output_constant): Correct typo from previous
1398         patch by DJ.
1399
1400 2005-10-11  Ian Lance Taylor  <ian@airs.com>
1401
1402         PR rtl-optimization/13931
1403         * combine.c: Revert patch of 2003-05-14, and:
1404         (try_combine): Only set elim_i1 and elim_i2 if the destination is
1405         completely killed in the appropriate insn.
1406         (distribute_notes): Don't skip multiple hard register test for
1407         elim_i1 and elim_i2.
1408
1409 2005-10-11  Richard Henderson  <rth@redhat.com>
1410
1411         PR c/24255
1412         * c-typeck.c (convert_for_assignment): Use build_constructor_single
1413         to initialize a transparent union instead of a nop_expr.
1414
1415 2005-10-11  Richard Henderson  <rth@redhat.com>
1416
1417         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1418         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1419         (tree_ssa_dce_loop): Call scev_reset.
1420
1421         PR tree-opt/24300
1422         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1423         * tree-ssa-dce.c: Include cfgloop.h.
1424         (tree_ssa_dce_loop, pass_dce_loop): New.
1425         * tree-pass.h (pass_dce_loop): Declare it.
1426         * passes.c (init_optimization_passes): Use it.
1427
1428 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
1429
1430         PR middle-end/24263 
1431         * convert.c (convert_to_real): Revert 2005-10-05 patch.
1432         Only apply the optimization for rounding builtins if the inner
1433         cast is also an extension.
1434
1435 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
1436
1437         PR tree-opt/23946
1438         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1439         mark_new_vars_to_rename instead of update_stmt.
1440
1441 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1442
1443         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1444
1445 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
1446
1447         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1448         for setting MMX register to 0 rather than mmx.
1449
1450 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
1451
1452         PR target/12098
1453         * configure.ac: Move gas check from mips specific case to common case.
1454         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1455         * configure: Regenerate
1456         * doc/install.texi: Update.
1457
1458 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1459
1460         PR target/24284
1461         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1462
1463 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
1464
1465         * gcc.c (do_spec_1): Accept numeric characters in file name
1466         suffixes.
1467
1468 2005-10-10  Nick Clifton  <nickc@redhat.com>
1469
1470         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
1471         describing the deleted arm_gen_rotated_half_load function.
1472
1473 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1474
1475         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1476         __fpscr_values.
1477
1478 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
1479
1480         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1481         gnu_ld assignments.
1482         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1483         (EXTRA_MULTILIB_PARTS): Define.
1484         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1485         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1486         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1487         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1488         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1489         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1490
1491 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
1492
1493         PR tree-optimization/24226
1494         * tree-cfg.c (remove_bb): Clean up unreachable loops.
1495         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1496         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1497         Export.
1498
1499 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1500
1501         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1502
1503 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
1504
1505         PR target/24136
1506         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1507         Rewrite for no need for the early clobber.
1508
1509 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1510
1511         Merge from csl-arm-branch:
1512         2005-09-07  Paul Brook  <paul@codesourcery.com>
1513         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1514         space to string.
1515
1516         2005-04-30  Paul Brook  <paul@codesourcery.com>
1517         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1518         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1519
1520         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
1521         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1522         (arm_override_options): Use TARGET_AAPCS_BASED.
1523         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1524         (PTRDIFF_TYPE): Use int for AAPCS.
1525         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1526         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1527         (DEFAULT_SHORT_ENUMS): Delete.
1528         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1529
1530         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
1531         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1532         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1533         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1534
1535         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
1536         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1537
1538         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
1539         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1540  
1541         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
1542         * config.gcc (arm*-*-linux-gnueabi): Add it.
1543         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1544         redefining it.
1545         (TARGET_OS_CPP_BUILTINS): Likeiwse.
1546         * config/arm/linux-eabi.h: New file.
1547         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1548         (LINUX_TARET_LINK_SPEC): Likewise.
1549         (LINK_SPEC): Use it.
1550         * config/arm/t-linux-eabi: New file.
1551
1552 2005-10-08  Steven Bosscher  <stevenb@suse.de>
1553
1554         PR other/22202
1555         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1556         spaces.
1557         (PARAM_SMS_DFA_HISTORY): Likewise.
1558
1559 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1560
1561         PR middle-end/23150
1562         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1563         (load_register_parameters): Call it.
1564         (check_sibcall_argument_overlap_1): Likewise.
1565         (store_one_arg): Likewise.
1566
1567 2005-10-07  James E. Wilson  <wilson@specifix.com>
1568
1569         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1570         DImode not VECINT24 for operand 2.
1571
1572         PR target/23644
1573         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1574         -mtune-arch.
1575
1576         PR target/24193
1577         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1578         fr_spill): Use destination_operand for operand 0.
1579
1580 2005-10-07  DJ Delorie  <dj@redhat.com>
1581
1582         * varasm.c (output_constant): Limit error to expanding
1583         conversions.
1584
1585 2005-10-07  Richard Guenther  <rguenther@suse.de>
1586
1587         PR middle-end/24227
1588         * fold-const.c (fold_binary): Fix operand types during folding
1589         of X op (A, Y).  Evaluation order of the side-effects of
1590         X and A are frontend-defined, so ensure we honour that even for
1591         tcc_comparison class operands; eased by removing duplicate code.
1592
1593 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1594
1595         * stor-layout.c (layout_type): Do not allow alignment of array
1596         elements to be greater than their size.
1597
1598 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1599
1600         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1601         host_xmake_file.
1602         (hppa*-*-linux*): Ditto.
1603         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1604         * config/host-hpux.c: New.
1605         * config/x-hpux: New.
1606         * config/pa/x-hpux: Remove.
1607         * config/pa/x-linux: Remove.
1608         * config/pa/pa-host.c: Remove.
1609
1610 2005-10-07  Jeff Law  <law@redhat.com>
1611
1612         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1613         determine whether or not to try and thread outgoing edges.
1614
1615 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
1616
1617         * config/rs6000/rs6000.md (eqsi_power): New.
1618         (neg_eq0si): Add TARGET_POWER to final condition.
1619         (neg_eqsi): Same.
1620
1621 2005-10-06  Richard Henderson  <rth@redhat.com>
1622
1623         * config/rs6000/rs6000.c: Revert last change.
1624
1625 2005-10-06  Richard Henderson  <rth@redhat.com>
1626
1627         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1628         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1629
1630 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
1631
1632         PR middle-end/22216
1633         PR middle-end/23651
1634         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1635         out return_label and naked_return_label.
1636
1637 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1638         
1639         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1640         change.
1641
1642 2005-10-06  Richard Henderson  <rth@redhat.com>
1643
1644         PR tree-opt/22237
1645         * tree-inline.c (declare_return_variable): Handle modify_dest not
1646         being a DECL.
1647
1648 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1649         
1650         Fix PR tree-optimization/22488
1651         * tree-ssa-structalias.c (check_for_overlaps): New function.
1652         (create_variable_info_for): Use it.
1653
1654 2005-10-06  Richard Henderson  <rth@redhat.com>
1655
1656         PR debug/24070
1657         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1658         (dwarf2out_start_source_file): Print it.
1659
1660 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
1661
1662         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1663
1664 2005-10-06  Richard Henderson  <rth@redhat.com>
1665
1666         PR 23706
1667         * mode-switching.c (optimize_mode_switching): Clear transp bit
1668         for block with incomming abnormal edges.
1669
1670         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1671         (fpscr_set_from_mem): Use them.
1672         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1673         (fpscr postinc splitters): Rewrite as peephole2+split.
1674
1675 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
1676
1677         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1678         (eq<mode>_compare): Same.
1679
1680 2005-10-06  Richard Guenther  <rguenther@suse.de>
1681
1682         PR tree-optimization/24238
1683         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1684
1685 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
1686
1687         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1688         here.  Use AC_PATH_PROG for environment variables instead of
1689         test -x.
1690         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
1691         objdump also.
1692         * configure: Regenerated.
1693
1694 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
1695
1696         PR target/23783
1697         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1698         then force it into a register.
1699         (call_value): Likewise.
1700
1701 2005-10-06  Richard Henderson  <rth@redhat.com>
1702
1703         PR 24049
1704         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1705         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
1706         under pass_vectorize.
1707
1708 2005-10-05  Devang Patel  <dpatel@apple.com>
1709
1710         PR Debug/23205
1711         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1712         handling constants. Check NAMESPACE_DECL context for constants.
1713         
1714 2005-10-05  Eric Christopher  <echristo@apple.com>
1715
1716         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1717
1718 2005-10-05  Richard Henderson  <rth@redhat.com>
1719
1720         PR 23714
1721         * tree-cfg.c (mark_array_ref_addressable_1): New.
1722         (mark_array_ref_addressable): New.
1723         * tree-flow.h (mark_array_ref_addressable): Declare.
1724         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1725
1726 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
1727
1728         PR middle-end/20606
1729         PR middle-end/24069
1730         * reload.c (subst_reloads): When adding a REG_LABEL to a
1731         jump instruction, also update JUMP_LABEL.
1732
1733 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
1734
1735         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1736         * bb-reorder.c (copy_bb_p): Use it.
1737         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1738
1739 2005-10-05  Richard Henderson  <rth@redhat.com>
1740
1741         PR target/23602
1742         * toplev.c (process_options): Warn about unsupported combinations
1743         of unwind tables and omit-frame-pointer.
1744         * config/i386/i386.c (override_options): Similarly.  Enable
1745         accumulate-outgoing-args if not explicitly disabled.
1746
1747 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
1748
1749         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1750         Handle big endian vs. small endian.
1751         (vec_initv2sf): Handle big endian vs. small endian.
1752         (*vec_extractv2sf_1): Ditto.
1753
1754 2005-10-05  Dale Johannesen  <dalej@apple.com>
1755
1756         * convert.c (convert_to_real):  Don't convert
1757         (float)floor(double d) to floorf((float)d).
1758
1759 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
1760
1761         * config/arm/arm.md (insv): Use gen_int_mode in more places.
1762
1763 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
1764
1765         PR tree-optimization/18587
1766         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1767         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1768         build_vuses): Change to VEC type.
1769         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1770         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1771         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1772         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1773         (get_name_decl): New.  Return DECL_UID of base variable.
1774         (operand_build_cmp): New.  qsort comparison routine.
1775         (operand_build_sort_virtual): New.  Sort virtual build vector.
1776         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1777         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1778         (FINALIZE_BASE): Use get_name_decl.
1779         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1780         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1781         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1782         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1783         direct VEC_* manipulations.
1784         (build_ssa_operands): Call operand_build_sort_virtual.
1785         (copy_virtual_operand, create_ssa_artficial_load_stmt,
1786         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1787         with direct VEC_* manipulations.
1788         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1789         with direct VEC manipulations.
1790
1791 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
1792
1793         PR tree-optimization/21419
1794         PR tree-optimization/24146
1795         PR tree-optimization/24151
1796
1797         * c-typeck.c (readonly_error): Handle USE being lv_asm.
1798         (build_asm_expr): Call it if outputs are read-only.
1799         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1800
1801 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
1802             Paolo Bonzini  <bonzini@gnu.org>
1803
1804         PR target/23809
1805
1806         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1807         enable the instructions and not just the built-ins.
1808         * doc/invoke.texi (x86 Options): Likewise.
1809
1810 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
1811
1812         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1813
1814         * doc/invoke.texi (Option Summary): Correct spelling
1815         of -mmacosx-version-min.
1816
1817 2005-10-04  Devang Patel  <dpatel@apple.com>
1818
1819         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1820         real types.
1821
1822 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
1823
1824         * tree-vect-transform.c (vect_create_epilog_for_reduction):
1825         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1826
1827 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
1828
1829         * config/s390/s390.md ("TDSI","DP"): New mode macros.
1830         ("TE","tg"): New mode attributes.
1831         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1832         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1833         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1834         dword_mode and one for GPRmode.
1835
1836 2005-10-04  Ian Lance Taylor  <ian@airs.com>
1837
1838         PR preprocessor/13726
1839         * c-ppoutput.c (cb_include): Add comments parameter, and print out
1840         any comments passed in.
1841
1842 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1843
1844         * tree.c (annotate_with_file_line): Fix typo.
1845
1846 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1847
1848         PR ada/19382
1849         * builtins.c (fold_builtin_memcmp): When constructing the pointer
1850         type used to access data in the inlined length == 1 case, use
1851         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1852         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1853
1854 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
1855
1856         * config/i386/i386.h (TARGET_FISTTP): Enable also for
1857         TARGET_SSE3 and only for TARGET_80387.
1858         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1859         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1860         Do not depend on TARGET_80387.
1861
1862 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1863
1864         * tree.c (last_annotated_node): Change type to location_t*.
1865         (annotate_with_file_line): Reflect the change of
1866         last_annotated_node type.
1867
1868 2005-10-04  Richard Guenther  <rguenther@suse.de>
1869
1870         PR c/23576
1871         * c-decl.c (grokdeclarator): Don't write to fields
1872         of error_mark_node.
1873
1874 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1875
1876         PR middle-end/23125
1877         * c-decl.c (finish_decl): Use set_user_assembler_name even for
1878         register variables.
1879         * varasm.c (make_decl_rtl): If a register variable does not
1880         have a set user assmbler name, error out.
1881         Decode the asmspec is now name+1 bypassing '*'.
1882
1883 2005-10-04  Steven Bosscher  <stevenb@suse.de>
1884
1885         PR tree-optimization/23049
1886         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1887         of a COND_EXPR is folded before calling fold on the whole rhs of a
1888         conditional assignment.
1889         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1890         document that a COND_EXPR may appear there.
1891
1892 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
1893
1894         PR 23445
1895         * tree-vrp.c (extract_range_from_assert): If the new numeric
1896         range created out of the assertion contradicts the existing
1897         numeric range of the ASSERT_EXPR variable, make the new range
1898         varying.
1899
1900 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1901
1902         * config/sh/sh.c (sh_register_move_cost): Add case for moving
1903         from T_REGS to FP register class.
1904
1905 2005-10-03  Richard Henderson  <rth@redhat.com>
1906
1907         PR 24135
1908         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1909         before creating a new one.
1910
1911 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
1912
1913         * config/rs6000/t-aix43 (LDFLAGS): New.
1914         * config/rs6000/t-aix52 (LDFLAGS): New.
1915
1916 2005-10-03  Ian Lance Taylor  <ian@airs.com>
1917
1918         * gimplify.c (find_single_pointer_decl_1): New static function.
1919         (find_single_pointer_decl): New static function.
1920         (internal_get_tmp_var): For a formal variable, set restrict base
1921         information if appropriate.
1922         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1923         return it.
1924         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1925         (DECL_GET_RESTRICT_BASE): Define.
1926         (SET_DECL_RESTRICT_BASE): Define.
1927         (decl_restrict_base_lookup): Declare.
1928         (decl_restrict_base_insert): Declare.
1929         (struct tree_decl_with_vis): Add based_on_restrict_p field.
1930         * tree.c (restrict_base_for_decl): New static variable.
1931         (init_ttree): Initialize restrict_base_for_decl.
1932         (copy_node_stat): Copy restrict base information.
1933         (decl_restrict_base_lookup): New function.
1934         (decl_restrict_base_insert): New function.
1935         (print_restrict_base_statistics): New static function.
1936         (dump_tree_statistics): Call print_restrict_base_statistics.
1937
1938 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
1939
1940         PR 24142
1941         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1942         case of anti-ranges.
1943
1944 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
1945
1946         PR c/18851
1947         * c-typeck.c (tagged_tu_seen): Rename to ...
1948         (tagged_tu_seen_cache): this and add val field.
1949         (comptypes): Move functional to comptypes_internal
1950         and free tagged_tu_seen.
1951         (comptypes_internal): New function and call comptypes_internal
1952         instead of comptypes. Speed up by sibcalling
1953         tagged_types_tu_compatible_p.
1954         (alloc_tagged_tu_seen): New function
1955         (free_all_tagged_tu_seen_up_to): New function.
1956         (tagged_types_tu_compatible_p): Return the val of the seen two
1957         types.
1958         Add that the two types are the same to tagged_tu_seen_base
1959         if they are and call comptypes_internal instead of comptypes.
1960         <case UNION_TYPE>: Speed up common type where the fields are
1961         in the same order.
1962         (function_types_compatible_p): Call comptypes_internal instead of
1963         comptypes.
1964         (type_lists_compatible_p): Likewise.
1965         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1966
1967 2005-10-02  Matthias Klose  <doko@debian.org>
1968
1969         * doc/invoke.texi: Fix typo and speling error.
1970
1971 2005-10-01  Richard Henderson  <rth@redhat.com>
1972
1973         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1974
1975 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
1976
1977         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1978         using --start-group and --end-group.
1979
1980 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
1981
1982         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1983         FIXME note regarding quirky semantics.
1984
1985 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
1986
1987         PR 24141
1988         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1989         non-null range as a last resort.
1990
1991 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
1992             Diego Novillo  <dnovillo@redhat.com>
1993
1994         PR 23604
1995         * tree-vrp.c (extract_range_from_assert): For !=
1996         assertions, only build an anti-range if LIMIT is a
1997         single-valued range.
1998
1999 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2000
2001         * arm.md (movqi): On thumb when optimizing, handle loading from
2002         memory by describing this as taking a subreg of a zero-extended load
2003         into an SImode register.
2004         (movhi): Likewise.
2005
2006 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
2007
2008         * reload1.c (merge_assigned_reloads): Do not change any
2009         RELOAD_FOR_OUTPUT_ADDRESS reloads.
2010
2011 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
2012
2013         * Makefile.in (LIPO_FOR_TARGET): Define.
2014         (STRIP_FOR_TARGET): Define.
2015
2016         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2017         before creating new ones.  Do symlinks before creating the actual
2018         targets.
2019
2020         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2021         to work out which multilibs are actually being built.
2022
2023 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
2024
2025         * tree-vect-transform.c, config/ms1/ms1.md,
2026         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2027         Follow spelling conventions.
2028         * doc/invoke.texi, doc/md.texi: Fix typos.
2029
2030 2005-09-30  Andrew Macleod  <amacleod@redat.com>
2031
2032         PR tree-optimization/21430
2033         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2034         use operands, and set stmt pointer if need be.
2035         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2036         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2037         present.
2038
2039 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2040
2041         PR middle-end/24053
2042         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2043
2044 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
2045
2046         * optabs.c (expand_binop): Initialize first_pass_p.
2047
2048 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR middle-end/24109
2051         * c-decl.c (c_write_global_declarations_1): If any
2052         wrapup_global_declaration_2 call returned true, restart the loop.
2053
2054 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
2055
2056         Fix PR tree-optimization/24117
2057         * tree-ssa-structalias.c (find_func_aliases): Strip nops
2058         before considering whether to use anyoffset.
2059
2060 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2061
2062         Revert this patch:
2063
2064         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2065
2066         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2067         to order operands.
2068         (swap_commutative_operands_with_target): New.
2069
2070 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2071
2072         PR c/21419
2073         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2074         read-only.
2075
2076 2005-09-29  Steven Bosscher  <stevenb@suse.de>
2077
2078         PR tree-optimization/23911
2079         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2080         and IMAGPART_EXPR too.
2081
2082 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
2083
2084         PR 17886
2085         * expmed.c (expand_shift): Move logic to reverse rotation
2086         direction when  rotating by constants ...
2087         * optabs.c (expand_binop): ... here.
2088         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2089         (ix86_rotrdi3): New pattern.
2090         (rotldi3): Handle 32-bit mode.
2091         (ix86_rotldi3): New pattern.
2092
2093 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
2094
2095         PR target/24102
2096         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2097         check for numbers that need no bit twiddle.
2098
2099 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
2100
2101         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2102         multilib to be built.
2103
2104         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2105         (stage1-start): Delete old libgcc and libunwind before moving
2106         anything into the stage directory.
2107         (stage2-start): Likewise.
2108         (stage3-start): Likewise.
2109         (stage4-start): Likewise.
2110         (stageprofile-start): Likewise.
2111         (stagefeedback-start): Likewise.
2112         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2113         header in tm_file and CPU-specific t-darwin in tmake_file.
2114         (i[34567]86-*-darwin*): Don't change tm_file.
2115         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2116         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2117         shared library stub for target OS version.
2118         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2119         (SHLIB_LINK): Don't make SHLIB_SOLINK.
2120         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2121         (libgcc_s.%.dylib): New.
2122         (LIBGCC): Define.
2123         (install-darwin-libgcc-stubs): New.
2124         (INSTALL_LIBGCC): New append.
2125         * config/i386/darwin-libgcc.10.4.ver: New.
2126         * config/i386/darwin-libgcc.10.5.ver: New.
2127         * config/i386/t-darwin: New.
2128         * config/rs6000/darwin-libgcc.10.4.ver: New.
2129         * config/rs6000/darwin-libgcc.10.5.ver: New.
2130         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2131         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2132
2133 2005-09-28  Paul Brook  <paul@codesourcery.com>
2134
2135         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2136         denormals.
2137
2138 2005-09-28  Richard Guenther  <rguenther@suse.de>
2139
2140         PR tree-optimization/23853
2141         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2142         host_integerp to verify misalignment value.
2143
2144 2005-09-28  Richard Henderson  <rth@redhat.com>
2145
2146         * builtins.c (get_builtin_sync_mode): New.
2147         (expand_builtin_sync_operation): Pass in mode argument.
2148         (expand_builtin_compare_and_swap): Likewise.
2149         (expand_builtin_lock_test_and_set): Likewise.
2150         (expand_builtin_lock_release): Likewise.
2151         (expand_builtin): Update to match.
2152
2153 2005-09-28  Nick Clifton  <nickc@redhat.com>
2154
2155         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2156         formatting.  Add check to PLUS case to ensure that the offset is
2157         within an acceptable range.
2158
2159         * config/v850/v850.md (casesi): Disable the generation of the
2160         switch pattern as it is not being handled properly at the moment.
2161
2162         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2163         for when the high words are identical.
2164
2165 2005-09-27  Richard Henderson  <rth@redhat.com>
2166
2167         * pretty-print.c (pp_base_format): Fix typo for %>.
2168
2169 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
2170             Devang Patel  <dpatel@apple.com>
2171
2172         PR tree-optimization/23625
2173         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2174         LABEL_EXPR, assertion check.
2175
2176 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
2177
2178         * optabs.c (no_conflict_move_test): Check if a result of a
2179         to-be-moved insn would be clobbered by an originally
2180         preceding insn.
2181
2182 2005-09-27  Jeff Law  <law@redhat.com>
2183
2184         * passes.c (init_optimization_passes): Replace copy propagation
2185         passes immediately after DOM with phi-only copy propagation
2186         pases.  Add phi-only copy propagation pass after first DOM pass.
2187         * tree-pass.h (pass_phi_only_copy_prop): Declare.
2188         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2189         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2190         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
2191         to init_copy_prop.  Callers updated.
2192         (do_phi_only_copy_prop): New function.
2193         (pass_phi_only_copy_prop): New pass descriptor.
2194
2195 2005-09-27  Nick Clifton  <nickc@redhat.com>
2196
2197         * libgcc2.c (__popcount_tab): Remove redundant prototype.
2198
2199 2005-09-26  Jason Merrill  <jason@redhat.com>
2200
2201         PR c++/13764
2202         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2203
2204         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2205
2206 2005-09-26  James E Wilson  <wilson@specifix.com>
2207
2208         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2209         copyright.  Add gcc copyright plus libgcc exception.
2210         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
2211         copyright.
2212         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2213
2214 2005-09-26  Jeff Law  <law@redhat.com>
2215
2216         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2217         about when to iterate.
2218
2219 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
2220
2221         PR target/23847
2222         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2223         for __complex__ double in -mcpu=G5 mode.
2224
2225 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
2226
2227         PR tree-optimization/23942
2228         * Makefile.in (SCEV_H): Depends on PARAMS_H.
2229         * tree-scalar-evolution.c: Include params.h.
2230         (t_bool): New enum.
2231         (follow_ssa_edge, follow_ssa_edge_in_rhs,
2232         follow_ssa_edge_in_condition_phi_branch,
2233         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2234         Change return type to t_bool.  Use a parameter to limit the size of
2235         trees that are walked before stopping
2236         (analyze_evolution_in_loop): Initialize the limit to 0.
2237         (follow_ssa_edge): Give up by returning t_dont_know if the limit
2238         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2239
2240 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2241
2242         PR middle-end/23831
2243         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2244         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2245
2246 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
2247
2248         * combine.c (make_extraction): Check for valid use of subreg.
2249
2250 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2251
2252         PR target/24055
2253         * config/i386/i386.md ("*fistdi2_1"): New pattern.
2254         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2255         ("fist<mode>2_with_temp"): Use only register operands.
2256
2257 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
2258
2259         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2260         CALL_INSN_FUNCTION_USAGE.
2261
2262 2005-09-26  Richard Guenther  <rguenther@suse.de>
2263
2264         PR middle-end/15855
2265         * gcse.c: Include hashtab.h, define ldst entry hashtable.
2266         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2267         (ldst_entry): Use the hashtable instead of list-walking.
2268         (find_rtx_in_ldst): Likewise.
2269         (free_ldst_entry): Free the hashtable.
2270         (compute_ld_motion_mems): Create the hashtable.
2271         (trim_ld_motion_mems): Remove entry from hashtable if
2272         removing it from list.
2273         (compute_store_table): Likewise^2.
2274         (store_motion): Free hashtable in case we did not see
2275         any stores.
2276
2277 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
2278
2279         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2280         and arg1 if we are passing them to fold_build2.
2281
2282 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
2283
2284         PR 23828
2285         * config/i386/i386.c (ix86_function_regparm): Fix the test for
2286         a nested function.
2287
2288 2005-09-25  Richard Henderson  <rth@redhat.com>
2289
2290         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2291         SYMBOL_REF_TLS_MODEL to be correct.
2292
2293 2005-09-24  Richard Henderson  <rth@redhat.com>
2294
2295         * ipa-type-escape.c (discover_unique_type): Remove dead code at
2296         end of function.  Reindent.
2297
2298 2005-09-24  Ian Lance Taylor  <ian@airs.com>
2299
2300         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2301         NEGATE_EXPR/BIT_NOT_EXPR case.
2302
2303 2005-09-24  Richard Henderson  <rth@redhat.com>
2304
2305         * c-common.c (handle_mode_attribute): When not modifying in place,
2306         create subtypes for enumerations.
2307         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2308         * gimplify.c (create_tmp_from_val): Likewise.
2309
2310 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
2311
2312         * config/i386/i386.md (*tls_global_dynamic_64,
2313         *tls_local_dynamic_base_64): Add missing mode to call.
2314         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2315
2316 2005-09-24  Jan Hubicka  <jh@suse.cz>
2317
2318         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2319         (cgraph_clone_node): Likewise.
2320         * cgraph.h (cgraph_clone_edge): Update prototype.
2321         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2322         duplicated prototypes; add updating argument.
2323         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2324         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2325         updating profile.
2326         (cgraph_mark_inline_edge): Likewise.
2327         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2328         (cgraph_flatten_node): Likewise.
2329         (cgraph_decide_recursive_inlining): Likewise.
2330         (cgraph_decide_inlining_of_small_function): Likewise.
2331         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2332
2333 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2334             Pete Steinmetz <steinmtz@us.ibm.com>
2335
2336         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2337         (rldic.): Set type to "compare".
2338         (rldicr.): Same.
2339         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
2340         mfjmpr for MFCTR/MFLR.
2341         (movdf_hardfloat64): Same.
2342         (movdf_softfloat64): Same.  Correct order of store and move types.
2343         (movti_string): Set type to store_ux/load_ux.
2344         (load_multiple): Set type to load_ux.
2345         (store_multiple): Set type to store_ux.
2346         (movmemsi): Set type to store_ux.
2347         (output_cbranch direct_return): Set type to jmpreg.
2348         (stmw): Set type to store_ux.
2349         (lmw): Set type to load_ux.
2350         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2351         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2352         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2353         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2354         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2355         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2356         (rios1-fpstore): Increase latency to 3.
2357         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2358         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2359
2360 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2361             Andrew Pinski  <pinskia@physics.uc.edu>
2362
2363         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2364         operand2 constraint to "b".
2365         (sync_<fetchop_name>di_internal): Same.
2366         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2367         to "b".
2368         (sync_old_<fetchop_name>di_internal): Same.
2369         (sync_new_<fetchop_name>si_internal): Same.
2370         (sync_new_<fetchop_name>di_internal): Same.
2371
2372 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2373
2374         PR middle-end/23991
2375         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2376         case, define as macros.
2377
2378         PR rtl-optimization/23837
2379         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
2380         clobber / clobber match between dest and p->first.
2381
2382         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2383         (no_conflict_move_test): Update comments.
2384
2385 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2386
2387         * doc/install.texi: Update URL for Jacks.
2388         * doc/sourcebuild.texi: Likewise.
2389
2390 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
2391
2392         PR target/24007
2393         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2394         registers when choosing register preferences.
2395         (movdf_hardfloat64): Same.
2396
2397 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2398
2399         * expmed.c (expand_shift): Don't use the target of the rotate as
2400         target for the first expanded shift insn.
2401         * testsuite/gcc.dg/20050922-1.c: Testcase added.
2402
2403 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
2404
2405         PR tree-optimization/22438
2406         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2407         preserved iv rhs rewriting specially.
2408
2409 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
2410
2411         * tree-data-ref.c (analyze_array_indexes): Only estimate when
2412         estimate_only  is true.
2413         * tree-flow.h (ref_contains_indirect_ref): New prototype.
2414         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2415         tree-ssa-structalias.c
2416         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2417         ref_contains_indirect_ref.
2418         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2419
2420 2005-09-21  DJ Delorie  <dj@redhat.com>
2421
2422         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2423         MASK_PTR_A0D0.
2424         (mn10300_return_in_memory): Support variable size types also.
2425         (mn10300_pass_by_reference): Likewise.
2426         (mn10300_function_value): New.
2427         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2428         (FUNCTION_OUTGOING_VALUE): Likewise.
2429         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2430         * doc/invoke.texi: Document it.
2431
2432 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
2433
2434         PR target/22585
2435         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2436         force integer op1 into register for XFmode compares.
2437
2438 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2439
2440         PR middle-end/23971
2441         * expmed.c (alg_code): Add alg_impossible.
2442         (alg_hash_entry): Add cost.
2443         (synth_mult): Record alg_impossible in the hash table if
2444         multiplication by a given integer is impossble within the
2445         limit.  Speed up using alg_impossible.
2446
2447 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2448
2449         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2450         argument.  Allow and set any offset if needs_anyoffset is passed
2451         in.
2452         (get_constraint_for): Add argument here too.
2453         Pass it down.
2454         (do_structure_copy): Pass NULL to get_constraint_for.
2455         (handle_ptr_arith): Ditto.
2456         (find_func_aliases): Ditto.
2457
2458 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
2459
2460         PR rtl-optimization/23898
2461         * output.h (get_attr_min_length): Declare.
2462         * final.c (get_attr_length_1): New function, broken out of:
2463         (get_attr_length).
2464         (get_attr_min_length): New function.
2465         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2466         (duplicate_computed_gotos): Likewise.
2467         * genattr.c (insn_min_length): Generate declaration.
2468         * genattrtab.c (min_fn, min_attr_value): New functions.
2469         (make_length_attrs): Generate insn_min_length.
2470
2471 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
2472
2473         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2474
2475 2005-09-20  Richard Henderson  <rth@redhat.com>
2476
2477         PR tree-optimization/24059
2478         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2479         EXPAND_STACK_PARM.
2480
2481 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
2482
2483         * c.opt (fextended-identifiers): New.
2484         * c-opts.c (c_common_handle_option): Handle
2485         -fextended-identifiers.
2486         * doc/cpp.texi: Update documentation of extended identifiers.
2487         * doc/cppopts.texi (-fextended-identifiers): Document.
2488
2489 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
2490
2491         PR tree-optimization/23929
2492         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2493         if expr is NULL.
2494
2495         PR tree-optimization/23818
2496         * tree-stdarg.c (execute_optimize_stdarg): Call
2497         calculate_dominance_info.
2498
2499 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2500
2501         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2502         (analyze_siv_subscript_cst_affine): Add weak SIV test.
2503         (compute_overlap_steps_for_affine_1_2): Use
2504         get_number_of_iters_for_loop.
2505         (analyze_subscript_affine_affine): Check whether difference is
2506         zero first.
2507         Use get_number_of_iters_for_loop.
2508         Check whether overlap occurs outside of bounds.
2509         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2510
2511 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
2512
2513         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2514         base register if possible.
2515
2516 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
2517
2518         PR tree-optimization/18463
2519         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2520         converting it directly is not possible.
2521         (chrec_convert_aggressive): New function.
2522         * tree-chrec.h (chrec_convert_aggressive): Declare.
2523         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2524         Fold chrec conversions aggressively if asked to.
2525         (instantiate_parameters): Modified because of changes in
2526         instantiate_parameters_1.
2527
2528 2005-09-19  Richard Henderson  <rth@redhat.com>
2529
2530         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2531         (reduc_splus_v2df): New.
2532
2533 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
2534
2535         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2536         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
2537
2538 2005-09-19  Richard Henderson  <rth@redhat.com>
2539
2540         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2541         vcondu<SSEMODE12>.
2542
2543 2005-09-19  Richard Henderson  <rth@redhat.com>
2544
2545         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2546         (ia64_expand_dot_prod_v8qi): New.
2547         * config/ia64/ia64-protos.h: Update.
2548         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2549         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2550         sdot_prodv8qi, sdot_prodv4hi): New.
2551         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2552
2553 2005-09-19  Richard Henderson  <rth@redhat.com>
2554
2555         PR 23941
2556         * real.c (exact_real_truncate): Return false if the format cannot
2557         represent the number as a normal.
2558
2559         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2560         for a memory source.
2561
2562 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
2563
2564         * tree-ssa-operands.c (swap_tree_operands): Export.
2565         * tree.h (swap_tree_operands): Declare.
2566         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2567         Call swap_tree_operands.
2568
2569 2005-09-19  Richard Henderson  <rth@redhat.com>
2570
2571         * tree-flow.h (merge_alias_info): Declare.
2572         * tree-ssa-copy.c (merge_alias_info): Export.
2573         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2574         (vect_create_data_ref_ptr): Use create_iv directly.
2575         (vectorizable_load): Use correct types for integer constants.
2576         (vect_generate_tmps_on_preheader): Likewise.
2577         (vect_gen_niters_for_prolog_loop): Likewise.
2578
2579 2005-09-19  Steven Bosscher  <stevenb@suse.de>
2580
2581         PR rtl-optimization/23943
2582         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2583
2584 2005-09-18  Jan Hubicka  <jh@suse.cz>
2585
2586         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2587
2588 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
2589
2590         * varasm.c (output_constant): Do not abort on conversions to union
2591         types between different sizes.
2592
2593 2005-09-18  Richard Guenther  <rguenther@suse.de>
2594
2595         PR middle-end/23944
2596         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2597         fallback.
2598
2599 2005-09-18  Paul Brook  <paul@codesourcery.com>
2600
2601         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2602
2603 2005-09-17  Richard Henderson  <rth@redhat.com>
2604
2605         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2606         * tree-ssa-loop.c (pass_vect_dce): Remove.
2607         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2608         of pass_vectorize.
2609
2610 2005-09-17  Richard Henderson  <rth@redhat.com>
2611
2612         * tree-pass.h (pass_vect_dce): Declare.
2613         * passes.c (init_optimization_passes): Add it.
2614         * tree-flow.h (tree_ssa_dce): Declare.
2615         * tree-ssa-dce.c (tree_ssa_dce): Export.
2616         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2617         (gate_tree_vectorize): ... here.
2618         (pass_vect_dce): New.
2619
2620 2005-09-17  Jan Hubicka  <jh@suse.cz>
2621
2622         * except.c (struct eh_status): Turn region_array into vec.
2623         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2624         convert_from_eh_region_ranges, find_exception_handler_labels,
2625         current_function_has_exception_handlers, assign_filter_values,
2626         build_post_landing_pads, dw2_build_landing_pads,
2627         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2628         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2629         foreach_reachable_handler, can_throw_internal_1,
2630         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2631         region_array.
2632         (duplicate_eh_region_1): Update region_array.
2633         (duplicate_eh_regions): Resize region_array and avoid recomputing.
2634
2635 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
2636
2637         PR middle-end/22067
2638         * expmed.c (expand_mult): Substitute simple register for op0 when
2639         computing max_cost.
2640
2641 2005-09-17  Richard Henderson  <rth@redhat.com>
2642
2643         * expr.c (emit_move_via_integer): Add force argument, pass it on
2644         to emit_move_change_mode.  Update callers.
2645         (emit_move_complex): Pass true to new force argument.
2646         * function.c (expand_function_end): Move expand_eh_return call
2647         earlier.  Merge sub-word complex values into a pseudo before
2648         copying to the return hard register.
2649
2650 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
2651
2652         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2653         between different sizes.
2654
2655 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
2656
2657         PR 23903
2658
2659         * passes.c (init_optimization_passes): Register dump files for
2660         IPA passes first.
2661
2662 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2663
2664         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2665         * config/s390/s390.c (s390_overlap_p): New function.
2666         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2667         peephole2, "*xc" peephole2): Added overlap check to the peephole2
2668         condition.
2669
2670 2005-09-16  Richard Guenther  <rguenther@suse.de>
2671
2672         * ipa-pure-const.c (static_execute): Free auxiliar information.
2673         * ipa-type-escape.c (discover_unique_type): Free temporary key.
2674         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2675
2676 2005-09-15  DJ Delorie  <dj@redhat.com>
2677
2678         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2679
2680 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2681
2682         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2683         to order operands.
2684         (swap_commutative_operands_with_target): New.
2685
2686 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
2687
2688         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2689         parameter.
2690         Update callers.
2691         (estimate_iters_using_array): New function.
2692         * tree-data-ref.h (estimate_iters_using_array): Prototype
2693         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2694         Use estimate_iters_using_array instead of analyze_array.
2695
2696 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2697
2698         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2699         as addressable.
2700
2701 2005-09-15  Michael Matz  <matz@suse.de>
2702
2703         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2704
2705 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
2706
2707         PR tree-optimization/23835
2708         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2709         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2710
2711 2005-09-14  Richard Henderson  <rth@redhat.com>
2712
2713         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2714         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2715
2716 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
2717
2718         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2719         in the ARRAY_TYPE case.
2720
2721 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
2722
2723         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2724
2725 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
2726
2727         PR middle-end/22480
2728         * tree-vect-transform.c (vectorizable_operation): Return false for
2729         scalar shift operations and for vector shift operations with
2730         non-invariant shift arguments.  Use scalar tree operand op1 as
2731         a shift operand when vector shift insn pattern uses scalar shift
2732         operand.
2733         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2734
2735 2005-09-14  Olivier Hainque  <hainque@adacore.com>
2736
2737         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2738         value if it has side-effects.
2739
2740 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
2741
2742         PR target/22068
2743         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2744
2745 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
2746
2747         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2748         passed as NAME as if it were label at start of function code.
2749
2750 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
2751
2752         * config/sh/sh.md (*movv4sf_i): Add general register cases to
2753         the constraints.
2754
2755 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2756
2757         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2758         as early clobber.  Rewrite so the PIC register is not implicitly used.
2759
2760 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2761
2762         * tree.c (annotate_with_file_line): Compare line numbers before
2763         file names.
2764
2765 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
2766
2767         PR target/23816
2768         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2769         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2770
2771 2005-09-13  Ian Lance Taylor  <ian@airs.com>
2772
2773         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2774         than a HOST_WIDEST_INT to gen_doloop_begin.
2775
2776 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
2777
2778         * tree-dfa.c (dump_variable): Guard against NULL annotations.
2779
2780 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
2781
2782         PR tree-optimize/23817
2783         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2784
2785 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
2786
2787         PR target/23774
2788         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2789         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
2790         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2791         (restore_stack_nonlocal): Likewise.
2792         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2793
2794 2005-09-12  Ian Lance Taylor  <ian@airs.com>
2795
2796         PR g++/7874
2797         * c.opt (ffriend-injection): New C++ option.
2798         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2799         (C++ Dialect Options): Document -ffriend-injection.
2800
2801 2005-09-12  Josh Conner  <jconner@apple.com>
2802
2803         PR middle-end/23237
2804         * ipa-reference.c (static_execute): Don't mark variables in
2805         named sections TREE_READONLY.
2806
2807 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2808
2809         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2810         stack_tie.
2811
2812 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
2813
2814         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2815         V_MUST_DEF instead of just the first_use_p.
2816         Don't mark the virtual variables for renaming on the statement which
2817         is being removed.
2818         (pass_dse): Remove TODO_update_ssa.
2819
2820 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
2821
2822         PR middle-end/23290
2823         * stor-layout.c (compute_record_mode): For records with a single
2824         field, actually check the field's mode size against the type size.
2825
2826         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2827         registers for TARGET_SHMEDIA.
2828         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2829         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
2830         of GENERAL_REGS and FP_REGS.
2831
2832 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2833
2834         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2835
2836 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2837
2838         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2839         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2840         are omitted.  Exclude stack_tie insn too.
2841
2842 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
2843
2844         PR rtl-optimization/23098
2845         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2846         0.0f is easy.
2847         * config/rs6000/rs6000.md (movdf splitter): Use
2848         const_double_operand predicate for TARGET_POWERPC64.
2849         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2850         SYMBOL_REF method to ABI_V4.
2851
2852         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2853         replace_equiv_address.
2854         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2855         rs6000_sr_alias_set and MEM_NOTRAP.
2856         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2857
2858 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
2859
2860         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2861         handle CALL_EXPR again.
2862
2863 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2864
2865         * arm/predicates.md (alignable_memory_operand): Delete.
2866
2867 2005-09-10  Richard Henderson  <rth@redhat.com>
2868
2869         PR debug/23806
2870         * dbxout.c (dbxout_expand_expr): New.
2871         (dbxout_symbol): Use it.
2872
2873 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
2874
2875         * arm.c (arm_gen_rotated_half_load): Delete.
2876         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2877         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2878         (thumb_set_return_address): Likewise.
2879         (thumb_load_double_from_address): Use adjust_address.
2880         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2881         (extendhsisi2_mem, movhi_bytes): Use change_address.
2882         (movhi): Use widen_memory_access.
2883         (reload_out_df): Use replace_equiv_address.
2884         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2885
2886 2005-09-09  Richard Henderson  <rth@redhat.com>
2887
2888         PR debug/20998
2889         * dbxout.c: Include expr.h.
2890         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2891         (dbxout_symbol): Handle DECL_VALUE_EXPR.
2892         * Makefile.in (dbxout.o): Add EXPR_H.
2893
2894 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
2895
2896         PR tree-optimization/23509
2897         * tree-cfg.c (replace_uses_by): Use replace_exp.
2898         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2899         pointers have name_mem_tag or type_mem_tag set.
2900
2901 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2902
2903         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2904         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2905         of wrongly accessing operands.
2906
2907 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2908
2909         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2910         * tree-chrec.c: Include tree-scalar-evolution.h.
2911         (chrec_convert): Instantiate the base and step before calling
2912         scev_probably_wraps_p that would fail on parametric evolutions.
2913         Collect all the fails into a single section failed_to_convert,
2914         print a diagnostic, and return chrec_dont_know instead of calling
2915         fold_convert.
2916         * tree-scalar-evolution.c (loop_closed_phi_def): New.
2917         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2918         phi nodes.
2919         (scev_const_prop): Don't replace the definition of a loop closed ssa
2920         phi node by itself, or by another loop closed ssa phi node.
2921         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2922         that base and step are defined.
2923
2924 2005-09-09  Richard Guenther  <rguenther@suse.de>
2925
2926         PR c++/23624
2927         * fold-const.c (fold_ternary): Check truth_value_p before
2928         calling invert_truthvalue.
2929
2930 2005-09-09  Nick Clifton  <nickc@redhat.com>
2931
2932         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2933         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2934         dimension of these arrays.
2935         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2936         these arrays.
2937         * longlong.h: Only provide a prototype for the __clz_tab[] array
2938         if this header has not been included from libgcc2.h.
2939         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2940         defining own types.
2941         Provide prototypes for exported functions.
2942         Use the __clz_tab[] and __popcount_tab[] arrays provided by
2943         libgcc2.c.
2944
2945 2005-09-08  Josh Conner  <jconner@apple.com>
2946
2947         PR c++/21135
2948         PR c++/23180
2949         * expr.c (expand_expr_addr_expr_1): Don't invoke
2950         expand_simple_binop for EXPAND_INITIALIZER.
2951
2952 2005-09-08  Richard Henderson  <rth@redhat.com>
2953
2954         PR debug/23190
2955         * toplev.c (wrapup_global_declaration_1): Split out ...
2956         (wrapup_global_declaration_2): ... from ...
2957         (wrapup_global_declarations): ... here.  Return bool.
2958         (check_global_declaration_1): Split out ...
2959         (check_global_declarations): from here.
2960         (emit_debug_global_declarations): New.
2961         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2962         check_global_declaration_1, emit_debug_global_declarations): Declare.
2963         * c-decl.c (c_write_global_declarations_1): Don't create a vector
2964         of decls.  Call wrapup_global_declaration_1,
2965         wrapup_global_declaration_2, check_global_declaration_1 directly.
2966         (c_write_global_declarations_2): New.
2967         (ext_block): New.
2968         (c_write_global_declarations): Call c_write_global_declarations_2.
2969         * langhooks.c (write_global_declarations): Call
2970         emit_debug_global_declarations.
2971
2972         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2973         remove decls that have DECL_RTL_SET_P.
2974         * passes.c (rest_of_decl_compilation): Invoke
2975         cgraph_varpool_finalize_decl for all but functions.
2976
2977 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2978
2979         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2980         the result of a conversion if the new min and max cannot be compared.
2981
2982 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
2983
2984         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2985         (override_options): Setting s390_sr_alias_set removed.
2986         (save_fpr, save_gprs): Set alias set to vararg or frame.
2987         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2988         s390_sr_alias_set with get_frame_alias_set ().
2989         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2990         get_varargs_alias_set ().
2991
2992 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
2993
2994         PR objc/20574
2995         PR objc/19324
2996         * c-parser.c (c_parser_objc_method_definition): If the next
2997         token is not "{", error out and don't start the function.
2998
2999 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3000
3001         * tree-vrp.c (extract_range_from_expr): Move the check for non
3002         nullness after the check for gimple invariant.
3003
3004 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3005
3006         * tree.c (host_integerp, tree_low_cst): Correct function comment.
3007
3008 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3009
3010         PR target/23747
3011         * config/m32r.md (movmemsi_internal): Canonicalize order of
3012         operands in PLUS component of template.
3013
3014 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3015
3016         * reload1.c (fixup_eh_region_note): Remove assertion.
3017         (fixup_abnormal_edges): Reverted removal of call to
3018         find_many_sub_basic_blocks made on 2005-08-31.
3019
3020 2005-09-07  Richard Henderson  <rth@redhat.com>
3021
3022         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3023         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3024         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3025         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3026         rearrange for better packing.
3027         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3028         (lookup_cfa_1): Remove inline marker.
3029         (cfa_equal_p): Split out of ...
3030         (def_cfa_1): ... here.  Use INVALID_REGNUM.
3031         (build_cfa_loc): Handle !cfa->indirect.
3032         (frame_pointer_cfa_offset): New.
3033         (dbx_reg_number): Assert register elimination performed; do
3034         leaf register remapping.
3035         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3036         (eliminate_reg_to_offset): New.
3037         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
3038         for verifiably local stack frame addresses; re-base to CFA.
3039         (mem_loc_descriptor): Remove can_use_fbreg argument.
3040         (concat_loc_descriptor, loc_descriptor): Likewise.
3041         (containing_function_has_frame_base): Remove.
3042         (rtl_for_decl_location): Don't do register elimination or
3043         leaf register remapping here.
3044         (secname_for_decl): Split out from ..
3045         (add_location_or_const_value_attribute): ... here.
3046         (convert_cfa_to_loc_list): New.
3047         (compute_frame_pointer_to_cfa_displacement): New.
3048         (gen_subprogram_die): Use them.
3049         * tree.h (frame_base_decl): Remove.
3050         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3051         (prologue_stack_adjust): Remove.
3052         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3053         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3054         (set_frame_base_location): Remove.
3055         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3056         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3057         (vt_add_function_parameters): Don't eliminate_regs.
3058         (vt_initialize): Don't create frame_base_decl.
3059
3060 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3061
3062         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3063         version of GNU binutils for 4.x and later.
3064
3065 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
3066
3067         * ggc-page.c (ggc_push_context): Remove.
3068         (ggc_pop_context): Likewise.
3069         * ggc.h (ggc_push_context): Remove.
3070         (ggc_pop_context): Likewise.
3071
3072 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3073
3074         PR target/8973
3075         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3076         returning from an interrupt handler.
3077
3078 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3079
3080         PR target/8972
3081         * config/arc/arc.c (output_shift): Add check for loop count when
3082         optimizing.
3083
3084 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3085
3086         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3087         form manually.
3088         (abs_replacement): Likewise.
3089         (pass_phiopt): Remove TODO_update_ssa.
3090
3091 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3092
3093         PR c/23075
3094         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3095         if "return with no value, in function returning non-void" warning
3096         has been issued.
3097         * tree-cfg.c (execute_warn_function_return): Don't look at
3098         RETURN_EXPRs with TREE_NO_WARNING set.
3099
3100         PR target/22362
3101         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3102         for internal functions doesn't use registers used by global registers
3103         variables.  Use fewer register parameters if there are global register
3104         variables.
3105
3106 2005-09-06  Olivier Hainque  <hainque@adacore.com>
3107             Eric Botcazou  <ebotcazou@adacore.com>
3108
3109         PR middle-end/14997
3110         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3111         when we would be extracting outside its bit span (bitpos+bitsize
3112         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3113         Ada unchecked conversions.
3114
3115 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3116
3117         * tree-ssa-pre.c (try_look_through_load): New function.
3118         (compute_avail): Use it to try to look through loads for some
3119         more useful expressions.
3120
3121 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3122
3123         * simplify-rtx.c (simplify_binary_operation_1): Correct the
3124         condition for detecting cases like (a&a) and (a^a).
3125
3126 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
3127
3128         * common.opt: Add option ftree-vect-loop-version.
3129         * params.def: Add --param vect-max-version-checks.
3130         * doc/invoke.texi: Document ftree-vect-loop-version and
3131         --param vect-max-version-checks.
3132         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3133         may_misalign_stmts and defines for accessors.
3134         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3135         LOOP_VINFO_MAY_MISALIGN_STMTS.
3136         (destroy_loop_vec_info): VEC_free for
3137         LOOP_VINFO_MAY_MISALIGN_STMTS.
3138         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3139         Update documentation.
3140         (vect_update_misalignment_for_peel): New.
3141         (vect_enhance_data_refs_alignment): Update to choose loop
3142         peeling or loop versioning if appropriate for the (potentially)
3143         unaligned data references in the loop.
3144         (vect_analyze_data_refs_alignment): Remove call to
3145         vect_enhance_data_refs_alignment so the checks can be done
3146         earlier.
3147         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3148         and move up call to vect_analyze_data_refs_alignment.
3149         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3150         (vect_transform_loop): Add call to loop_version.
3151
3152 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR rtl-optimization/23098
3155         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3156         * simplify-rtx.c (constant_pool_reference_p): New function.
3157         * rtl.h (constant_pool_reference_p): New prototype.
3158         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3159         constant_pool_reference_p in condition and
3160         avoid_constant_pool_reference in preparation statements.
3161
3162 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3163
3164         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3165         STRICT_LOW_PART SETs.
3166
3167 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
3168
3169         PR middle-end/21460
3170         * except.c (sjlj_emit_function_enter): Find the function begin
3171         note even when it's not in first basic block.
3172
3173 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
3174
3175         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
3176         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3177         * aclocal.m4: Regenerate.
3178
3179 2005-09-05  DJ Delorie  <dj@redhat.com>
3180
3181         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3182         of macro.
3183
3184 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
3185
3186         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3187         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3188         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3189         Follow spelling conventions.
3190         * doc/invoke.texi: Follow spelling conventions.
3191
3192 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3193
3194         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3195         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3196         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3197
3198 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3199
3200         PR target/23683
3201         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3202         (output_stack_adjust): Use gen_tmp_stack_mem.
3203         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3204         (sh_set_return_address, sh_allocate_initial_value): Likewise.
3205         (sh_get_pr_initial_val): Likewise.
3206         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3207         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
3208         * sh.md (divsi_inv_m0): Use gen_const_mem.
3209         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3210         (movdf_i4+1): Use gen_tmp_stack_mem.
3211         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3212         (fpu_switch+2): Likewise.
3213         (movv4sf_i, movv16sf_i): Use adjust_address.
3214         (symGOT_load): Set MEM_NOTRAP_P bit.
3215
3216 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3217
3218         PR target/23721
3219         * pa.c (emit_move_sequence): Fix typo in last change.
3220
3221 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
3222
3223         PR rtl-optimization/23454
3224         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3225         is true.
3226
3227 2005-09-03  Richard Henderson  <rth@redhat.com>
3228             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3229
3230         PR middle-end/23671
3231         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3232         gen_rtx_MEM.
3233
3234 2005-09-02  Nicolas Pitre <nico@cam.org>
3235
3236         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3237         to bit_count to 32 bits.
3238
3239 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
3240
3241         PR c++/23167
3242         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3243         generating synthetic loads from volatile lvalues.
3244
3245 005-09-02  Nick Clifton  <nickc@redhat.com>
3246
3247         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3248         __ctzhi2, __clzhi2): New functions.
3249
3250 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
3251
3252         PR middle-end/23547
3253         * tree-nested.c (struct var_map_elt): Mark with GTY.
3254         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
3255         var_map_elt.
3256         (lookup_field_for_decl): Allocate new element in GC memory.
3257         (lookup_tramp_for_decl): Likewise.
3258         (convert_nl_goto_reference): Likewise
3259         (create_nesting_tree): Allocate info in GC memory. Likewise for
3260         info->var_map.
3261         (free_nesting_tree): Free with ggc_free instead of free.
3262         (root): New static variable.
3263         (lower_nested_functions): Remove root as local variable.  And zero out
3264         root at the end of the function.
3265
3266 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
3267
3268         PR rtl-optimization/20365
3269         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3270         to short.  New member ix.
3271         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3272         (simplify_plus_minus): Initialize ix members before calling qsort.
3273
3274 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
3275
3276         PR tree-optimization/23626
3277         * tree-cfg.c (replace_uses_by): Clean up eh info.
3278
3279 2005-09-01  DJ Delorie  <dj@redhat.com>
3280
3281         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3282         fprintf.
3283
3284 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
3285
3286         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3287         (rs6000_split_multireg_move): Use replace_equiv_address instead of
3288         gen_rtx_MEM.
3289
3290 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
3291
3292         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
3293         do not issue warning for a variable definition following
3294         a declaration.
3295
3296 2005-09-01  Richard Henderson  <rth@redhat.com>
3297
3298         PR 23668
3299         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3300         conversion to CONST_VECTOR.
3301
3302 2005-09-01  Richard Henderson  <rth@redhat.com>
3303
3304         PR 23676
3305         * reload1.c (reload_as_needed): Check !CALL_P before calling
3306         fixup_eh_region_note.
3307         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3308
3309 2005-09-01  DJ Delorie  <dj@redhat.com>
3310
3311         * varasm.c (output_constant): Let the target resolve
3312         conversions of addresses to non-default pointer sizes.
3313
3314 2005-09-01  Nicolas Pitre <nico@cam.org>
3315
3316         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3317         to alow matching ARM pre-indexed addressing mode.
3318         (arm_override_options): Remove now irrelevant comment.
3319
3320 2005-09-01  Phil Edwards  <phil@codesourcery.com>
3321
3322         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
3323         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
3324         * config/i386/vxworks.h:  Likewise.
3325         * config/i386/t-vxworksae:  New file, for VxWorks AE.
3326         * config/i386/vxworksae.h:  Likewise.
3327
3328 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
3329
3330         PR tree-optimization/23410
3331         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3332         sequence is not wrapping during the first step.
3333
3334 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3335
3336         PR debug/7241
3337         * dwarf2out.c (base_type_die): Compare char_type_node with
3338         TYPE_MAIN_VARIANT (type), not type.
3339
3340 2005-09-01  Richard Guenther  <rguenther@suse.de>
3341
3342         PR tree-optimization/15366
3343         * common.opt: Add -finline-functions-called-once.
3344         Put -fearly-inlining in alphabetically ordered place.
3345         * doc/invoke.texi: Document new option.
3346         * ipa-inline.c (cgraph_decide_inlining): Honour
3347         flag_inline_functions_called_once.
3348
3349 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3350
3351         PR rtl-optimization/23478
3352         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3353         (alloc_qty): Initialize it.
3354         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3355         (combine_regs): Combine also n_throwing_calls_crossed fields.
3356         (find_free_reg): Don't attempt to caller-save pseudos crossing
3357         calls that might throw.
3358         * global.c (struct allocno): Add throwing_calls_crossed field.
3359         (global_alloc): Revert 2005-08-22 change.  Initialize
3360         throwing_calls_crossed.
3361         (find_reg): Don't attempt to caller-save pseudos crossing calls that
3362         might throw.
3363
3364 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
3365
3366         PR target/23649
3367         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3368         (mask64_operand): Reinstate code prior to 2005-06-11 change.
3369         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3370         (and64_2_operand): Tweak to use predicate.
3371         (and_operand): Adjust for mask_operand changes.
3372         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3373         (print_operand): Likewise.
3374         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3375         (mask64_1or2_operand): Delete.
3376         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3377         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3378         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3379         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3380         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3381         (rotldi3_internal4): Likewise.
3382         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3383         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3384         (ashldi3_internal7): Likewise.
3385         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3386         (ashldi3_internal, ashldi3_internal9 split): Likewise.
3387         (anddi3 split): Don't match mask64_operand.
3388         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
3389         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
3390         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
3391         't' splitter predicate.
3392         (movdi_internal64 + 2): Revert 2005-06-11 change.
3393
3394 2005-08-31  DJ Delorie  <dj@redhat.com>
3395
3396         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3397         (m32c_asm_integer): Add support for 32 bit pointers.
3398
3399 2005-08-31  Richard Henderson  <rth@redhat.com>
3400
3401         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3402         component-like references for setting MEM_NOTRAP_P.
3403
3404         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3405         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3406
3407 2005-08-31  Richard Henderson  <rth@redhat.com>
3408
3409         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3410         into a pseudo before applying gen_lowpart.
3411
3412 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
3413
3414         * doc/install.texi (Specific): Update cctools version required
3415         for full functionality.
3416         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3417         linkers as -macosx_version_min.
3418
3419 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
3420
3421         PR target/21255
3422         * sh.c (print_operand, %R and %S): Add handling of floating point
3423         registers, memory, constants and invalid operands.
3424
3425 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
3426
3427         * ipa-pure-const.c: Change dump name.
3428
3429 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3430
3431         PR target/23570
3432         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3433         to "reg_or_0_operand".
3434         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3435
3436 2005-08-31  Dale Johannesen  <dalej@apple.com>
3437
3438         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
3439         loops that count down.
3440
3441 2005-08-31  Richard Henderson  <rth@redhat.com>
3442
3443         PR rtl-opt/23601
3444         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3445         (fixup_eh_region_note): New.
3446         (reload_as_needed): Call it.
3447         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3448         don't call find_many_sub_basic_blocks; call verify_flow_info.
3449         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3450         (keep_stack_depressed): Likewise.
3451         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3452
3453 2005-08-31  Richard Henderson  <rth@redhat.com>
3454
3455         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3456         fp return matching.
3457
3458 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
3459
3460         * expr.c (expand_expr_real_1): Compare size of address
3461         mode to target's address mode size in deciding expansion of
3462         the constant address.
3463
3464 2005-08-31  Richard Guenther  <rguenther@suse.de>
3465
3466         PR middle-end/23477
3467         * expr.c (all_zeros_p): New function.
3468         (expand_expr_real_1): Handle the case of an all-zero
3469         non-addressable constructor separately.
3470
3471 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
3472
3473         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3474         arguments, adjust all callers.
3475         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3476
3477 2005-08-30  Richard Henderson  <rth@redhat.com>
3478
3479         PR target/23630
3480         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3481         whenever the mode sizes match.
3482
3483 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
3484
3485         * calls.c (load_register_parameters): Fix comment typo.
3486         * expr.c (emit_push_insn): Comment formatting.
3487
3488 2005-08-30  Ian Lance Taylor  <ian@airs.com>
3489
3490         * config/i386/x-cygwin (host-cygwin): Change dependency from
3491         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3492
3493 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
3494
3495         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3496         parts of 'vals'.
3497
3498 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3499
3500         PR middle-end/23408
3501         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3502         call to ggc_collect.
3503
3504 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
3505
3506         PR bootstrap/21268
3507         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3508         beginning.  Remove $(INCLUDES) from all the rules, if following
3509         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3510
3511 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
3512
3513         PR middle-end/23484
3514         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3515         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3516         not constant, but maxlen is, don't set len to maxlen, rather
3517         set maxlen to len if len is a constant.
3518
3519 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
3520
3521         PR tree-optimization/23475
3522         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3523         and counts.
3524
3525 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
3526
3527         Fix PR middle-end/22455
3528
3529         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3530         Checksum only the parts of the tree that exist for the tree code.
3531
3532 2005-08-28  Dale Johannesen  <dalej@apple.com>
3533
3534         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
3535
3536 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
3537
3538         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3539
3540 2005-08-28  Richard Henderson  <rth@redhat.com>
3541
3542         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3543         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3544         of char_type_node.
3545
3546 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
3547
3548         PR ada/23593
3549         * builtins.c (get_memory_rtx): Don't strip nops
3550         in between COMPONENT_REFs.
3551
3552 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
3553
3554         PR middle-end/23463
3555         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3556         types.
3557         (gimplify_modify_expr): Check for zero sized types and gimplify the
3558         rhs and lhs as statements.
3559
3560 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
3561
3562         PR libgcj/23508
3563         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3564         state for return address column of signal frames.
3565
3566 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
3567
3568         PR target/23539
3569         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3570         bytes >= 2 not bytes == 2.
3571         (expand_block_move): Same.
3572
3573 2005-08-27  Richard Guenther  <rguenther@suse.de>
3574
3575         PR target/23575
3576         * config/i386/sse.md (sse2_movsd): Add missing closing
3577         braces.
3578
3579 2005-08-27  Paul Brook  <paul@codesourcery.com>
3580
3581         * genrecog.c (enum decision_type): Add DT_num_insns.
3582         (struct decision_test): Add u.num_insns.
3583         (add_to_sequence): Add DT_num_insns test.
3584         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3585         (write_cond, debug_decision_2): Ditto.
3586         (change_state): Assume peep2_next_insn never fails.
3587         Remove "afterward" argument.
3588         (write afterward, write_tree): Update to match.
3589         * recog.c (peep2_current_count): New variable.
3590         (peep2_next_insn): Check it.
3591         (peephole2_optimize): Set peep2_current_count.
3592         * recog.h (peep2_current_count): Declare.
3593
3594 2005-08-26  Josh Conner  <jconner@apple.com>
3595
3596         PR middle-end/23584
3597         * ipa-pure-const.c (check_tree): Check for volatile-ness
3598         when considering a dereference.
3599
3600 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
3601
3602         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3603
3604 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3605
3606         PR rtl-optimization/23561
3607         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
3608         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3609         at most LEN bytes long memory fits into the field.
3610         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3611         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3612         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3613
3614 2005-08-26  Richard Henderson  <rth@redhat.com>
3615
3616         PR rtl-opt/23560
3617         * loop.c (biased_biv_may_wrap_p): New.
3618         (maybe_eliminate_biv_1): Use it to suppress non-equality
3619         comparison transformations.  Delete disabled code.
3620
3621 2005-08-26  Ian Lance Taylor  <ian@airs.com>
3622
3623         * combine.c (make_extraction): Avoid reference outside object.
3624
3625 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
3626
3627         * stor-layout.c (finalize_type_size): Restore behaviour for
3628         non-aggregate types to the status quo ante of the patch for
3629         pr 23467.  Document why it matters.
3630
3631 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3632
3633         PR c/23506
3634         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3635         array by one element, initialize the BT_LAST element with NULL.
3636
3637 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
3638
3639         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3640         optimizing for size.
3641         (plus_eqsi): Same.
3642         (compare_plus_eqsi): Same.
3643         (plus_eqsi_compare): Same.
3644         (neg_eq0<mode>): Same.
3645         (neg_eq<mode>): Same.
3646
3647         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3648         PROCESSOR_POWER4.
3649
3650 2005-08-26  Nick Clifton  <nickc@redhat.com>
3651
3652         * config/v850/v850.c (ep_memory_operand): Return FALSE if
3653         TARGET_EP is not defined.
3654         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3655         TARGET_EP is enabled.
3656         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3657         * config/v850/v850.md (save_all_interrupt): Only use the EP
3658         register if TARGET_EP is defined.
3659         (restore_all_interrupt): Likewise.
3660         * config/v850/lib1funcs.asm: Update functions so that the EP
3661         register is only used if __EP__ is defined.
3662
3663 2005-08-26  David Ung  <davidu@mips.com>
3664
3665         * config/mips/mips.c (mips_expand_prologue): Handle case when
3666         generating for MIPS16 and the outgoing argument area is more than
3667         SMALL_OPERAND. Use the frame pointer as temporary to generate the
3668         add instruction.
3669
3670 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
3671
3672         * config/crx/crx.md: Make doloop_end pattern usage controllable
3673         via mloop-nesting=<max-nesting> command line switch. Make sure
3674         the combiner cannot use doloop_end_<mode> in an illegal way.
3675         * config/crx/crx.c: Use regs up to r6 for argument passing.
3676         Refine crx_address_cost (non cst4 displacements are expensive).
3677         * config/crx/crx.opt: Add switch for mloop-nesting=.
3678
3679 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
3680
3681         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3682         (UNSPEC_MVST): New constant.
3683
3684 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
3685
3686         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3687         Reject operands containing eliminable registers.
3688         * testsuite/gcc.dg/20050825-1.c: New testcase.
3689
3690 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3691             Jan Hubicka  <jh@suse.cz>
3692
3693         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3694
3695 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3696
3697         PR tree-optimization/23546
3698         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3699         and REAL_CST nodes.
3700
3701 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
3702
3703         * params.def (PARAM_MIN_SPEC_PROB): New.
3704         * sched-rgn.c (MIN_PROBABILITY): Delete.
3705         (compute_trg_info): Convert to PARAM_VALUE.
3706         * doc/invoke.texi (param): Document min-spec-prob.
3707
3708 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
3709
3710         * config/darwin.h: define __PIC__
3711         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3712         TARGET_OS_CPP_BUILTINS macro.
3713
3714 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3715
3716         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3717         yesterday.
3718
3719 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3720
3721         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3722         to duplicate_block.
3723         * cfghooks.c (duplicate_block): Added position where to place
3724         new block as argument.
3725         * cfghooks.h (duplicate_block): Declaration changed.
3726         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
3727         duplicate_block.
3728         * cfglayout.h (copy_bbs): Declaration changed.
3729         * cfgloop.h (loop_version): Declaration changed.
3730         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3731         position to copy_bbs.
3732         (loop_version): Pass position to duplicate_loop_to_header_edge.
3733         Add place_after argument and position new blocks according to
3734         it.
3735         * modulo-sched.c (sms_schedule): Pass place_after argument
3736         to loop_version.
3737         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3738         * tree-cfg.c (split_edge_bb_loc): New function.
3739         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3740         to determine position of new blocks.
3741         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3742         to loop_version.
3743         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3744         argument to duplicate_block.
3745         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3746         Pass position to copy_bbs.
3747
3748 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3749
3750         * fold-const.c (ptr_difference_const): Use
3751         cst_and_fits_in_hwi instead of host_integerp.
3752
3753 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3754
3755         * config/darwin.c (gen_pic_offset): New.
3756         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
3757         Use it.
3758
3759 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
3760
3761         PR tree-optimization/23486
3762         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3763
3764 2005-08-23  Phil Edwards  <phil@codesourcery.com>
3765
3766         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
3767         remove use_collect2.
3768         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
3769
3770         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
3771         configuration files to override the default value.
3772
3773         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
3774         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3775         * config/vx-common.h:  New file, split out from...
3776         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
3777         * config/vxworksae.h:  New file, for VxWorks AE.
3778         * config/vxworks.opt:  New file.
3779         * config/vxlib.c:  Update for VxWorks 6.
3780
3781         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
3782         other MULTILIB_* variables appropriately.
3783         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
3784         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
3785         * config/rs6000/vxworks.h:  Update for VxWorks 6.
3786         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
3787
3788 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
3789
3790         PR target/20799
3791         * config/darwin.c (machopic_select_section): Remove the hack to
3792         mark "::operator new" and "::operator delete" for coalescing
3793         even though they are not weak.
3794
3795 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
3796
3797         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3798         * configure: Regenerate.
3799
3800 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3801
3802         PR middle-end/23517
3803         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3804         between vectors.
3805         * convert.c (convert_to_integer, convert_to_vector): Likewise.
3806         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3807         Likewise.
3808
3809 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3810
3811         * config/rs6000/predicates.md (equality_operator): New.
3812         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3813         comparison with a large constant.
3814
3815 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
3816
3817         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3818
3819 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
3820
3821         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3822         registers is even, and we have a hardware double precision fp,
3823         align the buffer.
3824         (sh_gimplify_va_arg_expr): For floating point arguments, consider
3825         size of current argument when checking if argument was passed in
3826         registers.
3827
3828         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3829
3830         PR middle-end/23467
3831         * stor-layout.c (finalize_type_size): Dont override
3832         existing alignment with a smaller alignment from the mode.
3833
3834 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3835
3836         * lambda-code.c (lambda_vector_lexico_pos): Moved...
3837         * lambda.h (lambda_vector_lexico_pos): ... here.
3838         * tree-data-ref.c (build_classic_dist_vector): Return false when
3839         the distance vector is lexicographically negative.
3840
3841 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3842
3843         PR tree-optimization/23511
3844         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3845         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3846
3847 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
3848
3849         PR tree-optimization/22043
3850         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3851         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3852         If ALLOW_FLEXARR, handle types ending with flexible array member.
3853         Pass false as second argument to recursive count_type_elements calls.
3854         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3855         argument to count_type_elements call.
3856         * tree-sra.c (decide_block_copy): Likewise.
3857         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3858         for a constant-sized object, set cleared as well.  Pass true as
3859         second argument to count_type_elements call.
3860
3861 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3862
3863         PR target/21571
3864         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3865         from legitimate_small_data_p, and make global.  Update use.
3866         Remove forward declaration.
3867         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3868         Declare.
3869         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3870
3871 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
3872
3873         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3874         of scratch intermediates.
3875         (eq<mode>_compare): Same.
3876         (neg_eq0<mode>): New.
3877         (neg_eq<mode>): Convert to define_insn_and_split.
3878
3879 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3880
3881         PR target/23070
3882         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3883         stdarg functions, set/clear the fp marker even when no variable
3884         args are passed.
3885         * config/rs6000/sysv4.opt (mprototype): Describe.
3886
3887 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
3888
3889         PR rtl-optimization/23478
3890         * regs.h (reg_info): Add throw_calls_crossed.
3891         (REG_N_THROWING_CALLS_CROSSED): Define.
3892         * flow.c (allocate_reg_life_data): Initialize
3893         REG_N_THROWING_CALLS_CROSSED.
3894         (propagate_one_insn, attempt_auto_inc): Update
3895         REG_N_THROWING_CALLS_CROSSED.
3896         * global.c (global_alloc): Don't allocate pseudos across
3897         calls that may throw.
3898
3899 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3900
3901         PR c/18715
3902         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3903         value is inbetween the range if we did not find an exact match.
3904
3905 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
3906
3907         * doc/invoke.texi (Option Summary): Add ms1 options.
3908         * doc/extend.texi: Document interrupt handler attribute for ms1.
3909         * doc/md.texi: Document ms1 constraints.
3910         * config.gcc: Add ms1-*-elf.
3911         * config/ms1/ms1.h: New.
3912         * config/ms1/ms1.c: New.
3913         * config/ms1/ms1.md: New.
3914         * config/ms1/ms1-protos.h: New.
3915         * config/ms1/ABI.txt: New.
3916         * config/ms1/crti.asm: New.
3917         * config/ms1/crtn.asm: New.
3918         * config/ms1/lib2extra-funcs.c: New.
3919         * config/ms1/t-ms1: New.
3920         * config/ms1/ms1.opt: New.
3921
3922 2005-08-22 Ira Rosen <irar@il.ibm.com>
3923
3924         * config/rs6000/altivec.md (xorv4sf3): New.
3925         (negv4sf2, neg<mode>2): Likewise.
3926
3927 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
3928
3929         PR target/23485
3930         * config/ia64/ia64.md (divsi3): Check divide by zero.
3931         (udivsi3): Likewise.
3932         (divdi3): Likewise.
3933         (udivdi3): Likewise.
3934
3935 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
3936
3937         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3938         up to elem_bitsize bits, not max_bitsize.
3939
3940 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3941
3942         PR tree-optimization/23433
3943         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3944         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3945
3946 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3947
3948         PR tree-optimization/23434
3949         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3950         the iteration bound is not an INTEGER_CST.
3951
3952 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
3953
3954         * tree-vect-transform.c (get_initial_def_for_reduction): Set
3955         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3956         NULL if need_epilog_adjust is false.
3957         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3958         Case 3 always peels first itration, not just for PLUS case, and no need
3959         to use scalar_initial_def here. Create an epilog adjustment only if
3960         scalar_initial_def is not NULL.
3961
3962         (vectorizable_reduction): Remove assert.
3963
3964 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
3965
3966         PR target/23485
3967         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3968         (__moddi3): Likewise.
3969         (__udivdi3): Likewise.
3970         (__umoddi3): Likewise.
3971         (__divsi3): Likewise.
3972         (__modsi3): Likewise.
3973         (__udivsi3): Likewise.
3974         (__umodsi3): Likewise.
3975
3976 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
3977
3978         * tree-pass.h (TDF_GRAPH): Define.
3979         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3980         * passes.c (finish_optimization_passes): Only call
3981         finish_graph_dump_file if TDF_GRAPH is set.
3982         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3983         NULL.  Set TDF_GRAPH bit.
3984         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3985
3986 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
3987
3988         * arm.h (arm_stack_offsets): Add locals_base field.
3989         * arm.c (arm_get_frame_offsets): Compute it.
3990         (thumb_compute_initial_elimination offset): Make the Thumb frame
3991         pointer point to the base of the local variables.
3992         (thumb_expand_prologue): Update accordingly.
3993         (thumb_expand_epilogue): Likewise.
3994
3995         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
3996         mode of clobbered scratch to DImode.  Handle a case that's known to
3997         need this.
3998
3999 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
4000
4001         * config/rs6000/rs6000.md (gt0<mode>): Delete.
4002         (gt0<mode>_compare): Delete.
4003         (neg_gt0<mode>): Delete.
4004
4005 2005-08-19  Eric Christopher  <echristo@apple.com>
4006
4007         * optabs.h: Change CTI_ to COI_.
4008         * optabs.c: Ditto.
4009
4010 2005-08-19  James E Wilson  <wilson@specifix.com>
4011
4012         * builtins.c (expand_builtin_return_addr): Set
4013         current_function_accesses_prior_frames when count != 0.  Use
4014         frame_pointer_rtx when count == 0.
4015         * function.h (struct function): Add accesses_prior_frames field.
4016         (current_function_accesses_prior_frames): Define.
4017         * reload1.c (init_elim_table): Check
4018         current_function_accesses_prior_frames.
4019         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4020
4021 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4022
4023         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4024         indicator.  Return true if the flowgraph changed during
4025         cleanup.
4026
4027 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4028
4029         PR 23476
4030         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4031         conditional expression before testing its value.
4032
4033 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4034
4035         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4036
4037 2005-08-19  Devang Patel  <dpatel@apple.com>
4038
4039         PR tree-optimization/23048
4040         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4041         third parameter. Check whether latch is dominated by exit
4042         block or not.
4043         (if_convertible_loop_p): Supply exit block itself to
4044         if_convertible_bb_p.
4045
4046 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4047
4048         PR target/23473
4049         * arm.md (arm_load_pic_register): Change argument to the mask of
4050         saved registers.  Call thumb_find_work_register if we need a
4051         scratch register on Thumb.
4052         (arm_expand_prologue): Pass empty register set to
4053         arm_load_pic_register.
4054         (thumb_expand_prologue): Pass live_regs_mask directly to
4055         arm_load_pic_register.
4056         * arm-protos.h (arm_load_pic_register): Update prototype.
4057
4058 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
4059
4060         * sh.c (find_sole_member): New function.
4061         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4062         if the record's alignment is larger than the size of its only member.
4063
4064 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4065
4066         PR target/23436
4067         * arm.c (thumb_legitimize_reload_address): New function.
4068         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4069         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4070
4071 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
4072
4073         * config/crx/crx.c: Implement crx_decompose_address. Reject
4074         symbolic displacements since CRX register relative adressing
4075         mode can't handle unsigned 32-bit values as displacements.
4076         * config/crx/crx.h: Simplify definitions, remove redundant
4077         parenthesis and obsolete macros.
4078         * config/crx/crx.opt: Add new switch for debugging addresses.
4079         * config/crx/crx-protos.h: Add new declarations for above.
4080
4081 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
4082
4083         PR middle-end/20624
4084         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4085         looking past it.
4086
4087 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4088
4089         * collect2.c (dup2): Delete.
4090         * configure.ac: Don't check for dup2.
4091
4092         * config.in, configure: Regenerate.
4093
4094 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
4095
4096         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4097         record with the type of its only member.
4098
4099 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
4100
4101         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4102         define_insn_and_split.
4103         (plus_ltu<mode>_compare): Same.
4104         (gtu<mode>_compare): Same.
4105         (plus_gtu<mode>_compare): Same.
4106
4107 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
4108
4109         PR tree-optimization/22228
4110         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4111         todo_flags_start.
4112         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4113         are recorded in vect_vnames_to_rename for renaming.
4114         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4115         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4116         in vect_vnames_to_rename.
4117         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4118         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4119
4120 2005-08-18  Jan Hubicka  <jh@suse.cz>
4121
4122         PR c++/22034
4123         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4124         info only for local statics, not for member variables.
4125
4126 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4127
4128         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4129
4130 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4131
4132         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4133
4134 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
4135
4136         PR middle-end/16045
4137         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4138
4139 2005-08-17  James E Wilson  <wilson@specifix.com>
4140
4141         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4142         array size check.
4143
4144 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
4145
4146         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4147         (leu<mode>_compare): Same.
4148         (plus_leu<mode>): Same.
4149         (neg_leu<mode>): Same.
4150         (and_neg_leu<mode): Same.
4151         (ltu<mode>_compare): Same.
4152         (plus_ltu<mode>): Same.
4153         (geu<mode>): Same.
4154         (geu<mode>_compare): Same.
4155         (plus_geu<mode>): Same.
4156         (neg_geu<mode>): Same.
4157         (and_neg_geu<mode>): Same.
4158         (plus_gt<mode>): Same.
4159         (gtu<mode>_compare): Same.
4160         (plus_gtu<mode>): Same.
4161
4162 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
4163
4164         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4165         Move call_table_data to end.  Delete spurious .text.
4166         (callt_save_all_interrupt): Fix comment typo.
4167
4168 2005-08-17  James E Wilson  <wilson@specifix.com>
4169             Kevin Winchester  <winchester@amirix.com>
4170
4171         PR target/21684
4172         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4173
4174 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
4175
4176         PR target/23268
4177         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4178         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4179
4180 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
4181
4182         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4183         record with the type of its only member if the modes don't match.
4184
4185         * varasm.c (decode_reg_name): Skip empty additional register names.
4186
4187 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
4188
4189         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4190         lsm_tmp_name_length): New.
4191         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4192         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4193
4194 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4195             Andreas Krebbel  <krebbel1@de.ibm.com>
4196
4197         * config.gcc: Added z9-109 switch.
4198         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4199         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4200         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4201         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4202         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4203         for "z9_109" cpu attribute.
4204         * config/s390/s390.c (z9_109_cost): New processor cost structure.
4205         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4206         (s390_handle_arch_option): Added z9-109 switch.
4207         (override_options): Set respective cost function for z9-109.
4208         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4209         (legitimate_reload_constant_p): Accept extended immediates.
4210         (print_operand): Three new output modifiers added: k, m and o.
4211         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4212         (s390_output_mi_thunk): Use extended immediate when possible.
4213         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4214         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4215         (CONSTRAINT_LEN): Added length of O constraint.
4216         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4217         * config/s390/s390.md ("cpu"): New value z9_109 added.
4218         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4219         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4220         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4221         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4222         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4223         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4224         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4225         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4226         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4227         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4228         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4229         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4230         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4231         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4232         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4233         immediates.
4234         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4235         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4236         insns for TARGET_EXTIMM.
4237
4238 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4239
4240         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4241
4242 2005-08-17  Nick Clifton  <nickc@redhat.com>
4243
4244         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4245         Call default_encode_section_info.
4246
4247 2005-08-17  Steven Bosscher  <stevenb@suse.de>
4248
4249         PR tree-optimization/21574
4250         * tree-ssa-ccp.c (likely_value): If the right hand side is a
4251         constant, return CONSTANT.
4252         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4253         (ccp_fold, visit_assignment): Likewise.
4254         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4255
4256 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4257
4258         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4259         fold_buildN instead of buildN then fold_initializer or fold.
4260         (build_unary_op): Likewise.
4261         (build_binary_op): Likewise.
4262         * fold-const.c (fold_initializer): Remove.
4263         (fold_build1_initializer): New function.
4264         (fold_build2_initializer): New function.
4265         (fold_build3_initializer): New function.
4266         * tree.h (fold_initializer): Remove.
4267         (fold_build1_initializer): New function.
4268         (fold_build2_initializer): New function.
4269         (fold_build3_initializer): New function.
4270
4271 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4272
4273         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4274         (try_move_mult_to_index): Call fold_build2 instead of build2.
4275         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4276         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4277         fold_binary_to_constant.
4278         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4279         fold (build.
4280         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4281         check if A == gcd (A, B).  Remove TYPE argument.
4282         (analyze_offset) Use fold_build2 instead of fold (build.
4283         (create_data_ref): Likewise.
4284         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4285         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4286         then fold.
4287
4288 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
4289
4290         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4291         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4292
4293 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
4294
4295         PR tree-opt/23402
4296         * gimplify.c (zero_sized_type): New function.
4297         (gimplify_modify_expr_rhs): If we have a zero sized type,
4298         replace the statement with an empty statement.
4299
4300 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
4301
4302         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4303         fxsave.
4304
4305 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4306
4307         * doc/tm.texi (Label Output): Correct typo.
4308
4309 2005-08-16  Steven Bosscher  <stevenb@suse.de>
4310
4311         PR target/23376
4312         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4313         force_operand will work later on using have_insn_for.
4314
4315 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4316
4317         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4318
4319 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4320
4321         PR c++/23337
4322         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4323         vector type, don't try to construct it element by element.  Add an
4324         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4325
4326 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4327
4328         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4329
4330 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
4331
4332         * doc/invoke.texi (Precompiled Headers): Document some more options
4333         which are known to be safe.
4334
4335 2005-08-16  James E Wilson  <wilson@specifix.com>
4336
4337         PR tree-optimization/21105
4338         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4339         TREE_OVERFLOW check.
4340
4341 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
4342
4343         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4344         (neg_ltu<mode>): Same.
4345         (gtu<mode>): Same.
4346         (neg_gtu<mode>): Same.
4347
4348 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4349
4350         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4351         (fold_builtin_isdigit): Use fold_buildN.
4352         (build_function_call_expr): Likewise.
4353         * c-typeck.c (c_finish_loop): Likewise.
4354
4355 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
4356             Richard Shann <rshann@superh.com>
4357
4358         PR middle-end/20396:
4359         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4360
4361 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
4362
4363         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4364
4365 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
4366
4367         PR target/23355
4368         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4369         arm_compure_save_reg0_reg12_mask to determine when the PIC register
4370         must be saved.
4371
4372 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4373
4374         PR middle-end/23369
4375         * fold-const.c (build_range_check): Disable optimization for function
4376         pointer expressions on targets that require function pointer
4377         canonicalization.
4378
4379 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
4380
4381         * simplify-rtx.c (simplify_const_relational_operation): When
4382         extracting arguments of a COMPARE, recompute the mode as well.
4383
4384 2005-08-15  Ian Lance Taylor  <ian@airs.com>
4385
4386         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4387
4388 2005-08-15  DJ Delorie  <dj@redhat.com>
4389
4390         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4391         the stack.
4392         (movsi_splittable): Allow, but split, moves to the stack.
4393         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4394         stack.
4395
4396 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4397
4398         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4399         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4400         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4401
4402         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4403         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4404         Delete HOST_PTR_PRINTF.
4405
4406         * configure, config.in: Regenerate.
4407
4408 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
4409
4410         * config/rs6000/rs6000.md (QHSI): New mode macro.
4411         (wd): Extend mode attr for QImode and HImode
4412         (dbits): New mode attr.
4413         (zero_extend<mode>di2): Convert to mode macro.
4414
4415 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
4416
4417         PR target/21841
4418         * doc/invoke.texi (-mgnu-ld): Update description.
4419         (-mhp-ld): Ditto.
4420
4421 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4422
4423         PR 23391
4424         * Makefile.in (tree-chrec.o): Depends on real.h.
4425         * tree-chrec.c: Include real.h.
4426         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4427         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4428         * tree-scalar-evolution.c (add_to_evolution_1,
4429         interpret_rhs_modify_expr): Ditto.
4430
4431 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4432
4433         PR 23386
4434         * tree-data-ref.c (estimate_niter_from_size_of_data): When
4435         step is negative compute the estimation from init downwards to zero.
4436
4437 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
4438
4439         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4440
4441 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4442
4443         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4444         constraint.
4445         (legitimate_reload_constant_p): Fix handling of lliXX operands.
4446         Accept double-word constants that can be split.
4447         * config/s390/s390.md ("movti"): Use 'P' constraint.
4448         ("*movdi_31", "*movdf_31"): Likewise.
4449
4450 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
4451
4452         Fix PR tree-optimization/22615
4453
4454         * tree-ssa-structalias.c (solution_set_add): Handle
4455         first_vi_for_offset returning NULL.
4456         (do_da_constraint): Ditto.
4457         (do_sd_constraint): Ditto.
4458         (do_ds_constraint): Ditto
4459         (find_func_aliases): Ditto.
4460         (build_constraint_graph): RHS is allowed be ANYTHING.
4461         (first_vi_for_offset): Return NULL if we couldn't find anything at
4462         the offset.
4463
4464 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4465
4466         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4467         over memory as first operand.
4468
4469 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
4470
4471         PR target/23360
4472         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4473         available for setting it.
4474
4475 2005-08-14  Ira Rosen  <irar@il.ibm.com>
4476
4477         PR tree-optimization/23320
4478         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4479         data-refs' types instead of base object nullness. Add check for
4480         pointer type data-refs before first location comparison. Remove
4481         assert.
4482
4483 2005-08-14  Andreas Schwab  <schwab@suse.de>
4484
4485         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4486
4487 2005-08-13  James E Wilson  <wilson@specifix.com>
4488
4489         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4490         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4491         -fstack-protector-all, --param ssp-buffer-size): Document.
4492         (-Wvariadic-macros): Alphabetize.
4493         (-fsched-stalled-insns-dep): Add missing 'f'.
4494
4495         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4496         macros.
4497
4498 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
4499
4500         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4501         or indirect address operand.
4502         (EXTRA_ADDRESS_CONSTRAINT): New.
4503         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4504
4505 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
4506
4507         PR tree-optimization/22236
4508         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4509         successors and predecessors.
4510         * tree-chrec.c (chrec_convert): Before converting, check that
4511         sequences don't wrap.
4512         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4513         (analyze_array): Extern.
4514         (find_data_references_in_loop): Remove call to
4515         compute_estimated_nb_iterations.
4516         * tree-data-ref.h (analyze_array): Declared.
4517         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4518         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4519         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4520         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4521         condition.
4522         * tree-ssa-loop-ivcanon.c: Fix documentation.
4523         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4524         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4525         (infer_loop_bounds_from_undefined): New.
4526         (estimate_numbers_of_iterations_loop): Use
4527         infer_loop_bounds_from_undefined.
4528         (used_in_pointer_arithmetic_p): New.
4529         (scev_probably_wraps_p): Pass an extra parameter.  Call
4530         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
4531         (convert_step): Fix documentation.
4532         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4533         Use initial_condition_in_loop_num and evolution_part_in_loop_num
4534         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
4535         scev_probably_wraps_p.
4536
4537 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
4538
4539         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4540         (s390_register_info): Ignore clobbered_regs information for fixed
4541         registers, and only fixed registers.
4542         (s390_init_frame_layout): Remove redundant call.
4543
4544 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
4545
4546         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4547         description of -Wold-style-casts.
4548
4549 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4550             Jakub Jelinek  <jakub@redhat.com>
4551
4552         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4553         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4554         * config/s390/s390.c (print_operand): New output modifier 'G' added.
4555         (get_thread_pointer): Renamed to s390_get_thread_pointer.
4556         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4557         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4558         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4559         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4560         ("stack_protect_set", "stack_protect_test"): New expanders.
4561         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4562         "stack_protect_testdi"): New insn definitions.
4563
4564 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4565
4566         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4567
4568 2005-08-12  Paul Brook  <paul@codesourcery.com>
4569
4570         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4571
4572 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4573
4574         * config/s390/predicates.md (setmem_operand): New predicate.
4575         (shift_count_operand): Accept ANDs with special constants as
4576         operand.
4577         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4578         with special constants.
4579         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4580         shift_count_operand with setmem_operand.
4581
4582 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4583
4584         * config/s390/s390.c (s390_extract_part, s390_single_part):
4585         Type cast added.
4586         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4587         (s390_output_mi_thunk): Don't use lg on 31 bit.
4588         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4589         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4590
4591 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4592
4593         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4594         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4595         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4596         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4597         with one of the new macros.
4598
4599 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4600
4601         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4602         Don't set save_return_addr_p.
4603         (s390_register_info): Make clobbered_regs not depending on
4604         save_return_addr_p.
4605
4606 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4607
4608         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4609         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4610
4611 2005-08-11  James E. Wilson  <wilson@specifix.com>
4612
4613         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4614
4615 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
4616
4617         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4618         locations gathered by var-tracking in single entry loc_list
4619         over loc_descriptor_from_tree.
4620
4621         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4622         pass it down to loc_descriptor.
4623         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4624         (containing_function_has_frame_base): Move earlier in the file.
4625         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4626         instead of always assuming fbreg can't be used.
4627
4628 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
4629
4630         * config/rs6000/altivec.md: Change constraint "m" to "Z".
4631         * config/rs6000/predicates.md (indexed_or_indirect_operand):
4632         Accept address wrapped in AND for Altivec.
4633         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4634         Strip AND wrapping offset address for Altivec.
4635
4636 2005-08-11  Richard Henderson  <rth@redhat.com>
4637
4638         PR middle-end/23312
4639         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4640         before using TYPE_IS_SIZETYPE.
4641
4642 2005-08-11  Richard Henderson  <rth@redhat.com>
4643
4644         PR target/22225
4645         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4646         insn types not present on ev4.
4647         (alphaev5_insn_pipe): Similarly.
4648
4649 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4650
4651         PR target/23250
4652         * arm.c (arm_override_options): If the user has selected callee-super-
4653         interworking, then enable normal interworking.
4654
4655 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4656
4657         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4658         redefinition.
4659
4660 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
4661
4662         * doc/rtl.texi: Fix two typos.
4663
4664 2005-08-11  Richard Guenther  <rguenther@suse.de>
4665
4666         PR target/23289
4667         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4668         cases where we call to/from functions returning void.
4669
4670 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
4671
4672         PR c++/23225
4673         * tree.c (build_pointer_type_for_mode): Robustify.
4674
4675 2005-08-10  James E Wilson  <wilson@specifix.com>
4676
4677         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4678         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4679
4680         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4681         "cum->".
4682
4683 2005-08-10  Eric Christopher  <echristo@apple.com>
4684
4685         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4686         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4687         V2DFmode.
4688
4689 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
4690
4691         PR target/21887
4692         * config/darwin.c (machopic_indirect_data_reference): Use a new register
4693         for the high part when generating dynamic-no-pic code.
4694
4695 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4696
4697         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4698         (x86_64-*-linux*): Likewise.
4699
4700         * config/i386/crtfastmath.c: New file.
4701         * config/i386/t-crtfm: Likewise.
4702
4703         * config/i386/linux.h (ENDFILE_SPEC): New.
4704         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4705
4706         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4707         crtfastmath.o.
4708
4709 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
4710
4711         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4712         (vec_shl, vec_shr): Document new operations.
4713         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4714
4715 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
4716
4717         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4718         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4719         change predicate to indexed_or_indirect_address.
4720
4721 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
4722
4723         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4724         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4725         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4726         and __aeabi_uwrite8.
4727         * config/arm/unaligned-funcs.c: New file.
4728         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4729
4730 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
4731
4732         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4733         Add dump.
4734         * cfglayout.c (pass_insn_locators_initialize): Add dump.
4735         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4736         Add dump.
4737         * except.c (pass_convert_to_eh_region_ranges): Add dump.
4738         * final.c (pass_shorten_branches): Add dump.
4739         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4740         (pass_life): Rename dump.
4741         (rest_of_handle_flow2): Remove initial verify_flow_info.
4742         * function.c (pass_instantiate_virtual_regs): Add dump.
4743         * integrate.c (pass_initial_value_sets): Add dump.
4744         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4745         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4746         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4747         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4748         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4749         gate_rtl_unrool_and_peel_loops): New.
4750         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4751         rtl_doloop): Do not look at flags.
4752         * mode-switching.c (pass_mode_switching): Add dump.
4753         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4754         pass_split_before_regstack): Add dump.
4755         * regmove.c (pass_stack_adjustments): Add dump.
4756         * tree-optimize.c (pass_fixup_cfg): Add dump.
4757
4758 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4759
4760         PR 23309
4761         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4762         deciding which instruction sequence to use.
4763
4764 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
4765
4766         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4767         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4768
4769 2005-08-09  Richard Guenther  <rguenther@suse.de>
4770
4771         * c-common.c (builtin_function_2): Remove.
4772         (def_builtin_1): New function.
4773         (c_common_nodes_and_builtins): Use def_builtin_1 to
4774         build builtin functions.
4775
4776 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
4777
4778         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4779         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4780         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4781         Visual DSP.
4782
4783 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4784
4785         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4786         fold_binary instead of fold_build2 since we don't care about the
4787         resulting tree.
4788         (loop_niter_by_eval): Likewise.
4789         (compare_trees): Likewise.
4790         (proved_non_wrapping_p): Likewise.
4791
4792 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4793
4794         PR c/23161
4795         PR c/23165
4796         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4797         if the if is really empty.
4798
4799 2005-08-09  Steven Bosscher  <stevenb@suse.de>
4800
4801         PR tree-optimization/23234
4802         * tree-ssa-math-opts.c (place_reciprocal): New enum.
4803         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4804         argument of the new enum.
4805         (execute_cse_reciprocals): Add reciprocals for function arguments
4806         on the unique successor edge of the entry block.  Update other calls
4807         to execute_cse_reciprocals_1.
4808
4809 2005-08-08  Richard Henderson  <rth@redhat.com>
4810
4811         PR 22439
4812         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4813
4814 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
4815
4816         * expr.c (write_complex_part): Return after handling MEM.
4817
4818 2005-08-08  Josh Conner  <jconner@apple.com>
4819
4820         PR rtl-optimization/23241
4821         * combine.c (simplify_comparison): Fix error in determining
4822         whether to lift a subreg from comparison.
4823
4824 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
4825
4826         PR target/18506
4827         * config/rs6000/altivec.md (vec_init<mode>): New.
4828         (vec_set<mode>): New.
4829         (vec_extract<mode>): New.
4830         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4831         (rs6000_expand_vector_set): New.
4832         (rs6000_expand_vector_extract): New.
4833         (rs6000_legitimate_offset_address_p): Offset addresses are valid
4834         for Altivec modes before reload.
4835         (altivec_expand_vec_init_builtin): New.
4836         (get_element_number): New.
4837         (altivec_expand_vec_set_builtin): New.
4838         (altivec_expand_vec_ext_builtin): New.
4839         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4840         builtins.
4841         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4842         builtins.
4843         * config/rs6000/rs6000.h (rs6000_builtins): Add
4844         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4845         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4846         * config/rs6000/rs6000-protos.h: Declare new functions.
4847
4848 2005-08-08  Jan Hubicka  <jh@suse.cz>
4849
4850         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4851         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4852         * i386.md (movdi*): Use pic_32bit_operand.
4853         * predicates.md (pic_32bit_operand): New.
4854
4855 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
4856
4857         PR c++/21166
4858         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4859
4860 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
4861
4862         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4863         (test_for_singularity): Use fold_build2.
4864
4865 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4866
4867         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4868
4869 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
4870
4871         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4872         (COMMON_ASM_OP) Define.
4873         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4874         (ix86_encode_section_info): Likewise.
4875         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4876         SUBTARGET_ENCODE_SECTION_INFO.
4877
4878 2005-08-06  Richard Henderson  <rth@redhat.com>
4879
4880         PR 21894
4881         * tree-nested.c (convert_local_reference): Save and restore val_only
4882         around component_ref and friends.  Clear walk_subtrees by default.
4883
4884 2005-08-06  Peter O'Gorman  <peter@pogma.com>
4885
4886         PR 21366
4887         * gcc.c (process_command): Check the argument to -b has a dash.
4888         * doc/invoke.texi: Update -b and -V docs.
4889
4890 2005-08-06  James E Wilson  <wilson@specifix.com>
4891
4892         * config/mips/cross64.h, config/mips/t-cross64: Delete.
4893
4894 2005-08-06  Michael Matz  <matz@suse.de>
4895
4896         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4897         member only if only one insn is associated with the value.
4898
4899 2005-08-06  Nick Clifton  <nickc@redhat.com>
4900
4901         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4902         New define.
4903         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4904         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4905         Check symbol flags instead of symbol name mangling.
4906         (xstormy16_asm_output_aligned_common): Likewise.  Also
4907         simplify code since the bss100_section cass is the only case
4908         where the below100 code will be triggered.
4909         (xstormy16_encode_section_info): Encode below100 attribute
4910         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4911         the name.
4912         (xstormy16_strip_name_encoding): Delete - this function is no
4913         longer needed.
4914         (TARGET_STRIP_NAME_ENCODING): Undefine.
4915         * config/stormy16/stormy16-protos.h: Delete prototype for
4916         xstormy16_strip_name_encoding.
4917
4918 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
4919
4920         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4921         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4922         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4923         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4924         config/alpha/predicates.md, config/arc/arc.h,
4925         config/arm/arm.h, config/arm/ieee754-df.S,
4926         config/arm/ieee754-sf.S, config/bfin/bfin.c,
4927         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4928         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4929         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4930         config/m68hc11/m68hc11.h, config/mips/mips.c,
4931         config/mips/mips.h, config/mips/openbsd.h,
4932         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4933         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4934         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4935         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4936         config/sparc/linux.h, config/sparc/linux64.h,
4937         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4938         doc/extend.texi, doc/gcov.texi, doc/install.texi,
4939         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4940         typos.  Follow spelling conventions.
4941
4942 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
4943
4944         PR c/23113
4945         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4946         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4947         specially.  Check for side effects only for COND_EXPR.
4948         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4949         return with TREE_NO_WARNING.
4950
4951 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
4952
4953         PR rtl-optimization/23233
4954         * loop.c (combine_movables): Require the modes to be the same.
4955         (move_movables): Remove handling of cases where the replacement
4956         had a different mode to the original.
4957
4958 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
4959
4960         PR tree-optimization/23128
4961         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4962         subtraction wrap, and set TREE_OVERFLOW if they do.
4963
4964 2005-08-05  Richard Henderson  <rth@redhat.com>
4965
4966         PR 21728
4967         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4968         FORCED_LABEL labels.
4969
4970 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
4971
4972         PR middle-end/23135
4973         * reload.c (find_reloads_subreg_address): Pass down TYPE
4974         unchanged.  Change all callers except find_reloads_toplev.
4975
4976 2005-08-05  Michael Matz  <matz@suse.de>
4977
4978         * genattrtab.c (current_alternative_string): Remove.
4979         (SIMPLIFY_ALTERNATIVE): Ditto.
4980         (attr_alt_bit_p): Ditto.
4981         (alternative_name): Make const char *.
4982         (evaluate_eq_attr): Remove use of above things.
4983         (simplify_test_exp): Ditto.
4984         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4985         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4986
4987 2005-08-04  James E Wilson  <wilson@specifix.com>
4988
4989         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4990         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4991         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4992         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4993         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4994
4995 2005-08-04  Richard Henderson  <rth@redhat.com>
4996
4997         PR 21529
4998         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4999         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5000         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
5001         if we'd have to instantiate too many members.
5002
5003 2005-08-04  Richard Henderson  <rth@redhat.com>
5004
5005         PR 21291
5006         * tree-outof-ssa.c (coalesce_asm_operands): New.
5007         (coalesce_ssa_name): Use it.  Split out ...
5008         (coalesce_phi_operands, coalesce_result_decls): ... these.
5009
5010 2005-08-04  Paul Brook  <paul@codesourcery.com>
5011
5012         * read-rtl.c (read_quoted_string): Break if EOF.
5013
5014 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
5015
5016         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5017         (fold_build2): Likewise.
5018         (fold_build3): Likewise.
5019         (fold_build1_stat): New function prototype.
5020         (fold_build2_stat): Likewise.
5021         (fold_build3_stat): Likewise.
5022         * fold-const.c (fold_build1): Rename to ..
5023         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5024         through to build1_stat.
5025         (fold_build2): Rename to ..
5026         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5027         through to build2_stat.
5028         (fold_build3): Rename to ..
5029         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5030         through to build3_stat.
5031
5032 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
5033             Ian Lance Taylor  <ian@airs.com>
5034
5035         * function.c (assign_stack_local_1): Do not correct stack slot
5036         address if allocation size is smaller than mode size.
5037
5038 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
5039
5040         PR 22037
5041         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5042         (tree_merge_blocks): Propagate anything allowed by
5043         may_propagate_copy.
5044         Clarify documentation.
5045         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5046         SSA form, schedule an update if necessary.
5047
5048 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
5049
5050         * doc/install.texi (Binaries): Remove broken link to
5051         Sinix/Reliant Unix binaries.
5052
5053 2005-08-03  Richard Henderson  <rth@redhat.com>
5054
5055         PR 23221
5056         * function.c (stack_protect_epilogue): Export.
5057         * tree.h (stack_protect_epilogue): Declare.
5058         * calls.c (expand_call): Call it.
5059
5060 2005-08-03  Eric Christopher  <echristo@apple.com>
5061
5062         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5063         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5064         spec.
5065
5066 2005-08-04  Jan Hubicka  <jh@suse.cz>
5067
5068         * profile.c (branch_prob): Split edges with goto locus on them
5069         to get proper line counts.
5070         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5071
5072 2005-08-03  Paul Brook  <paul@codesourcery.com>
5073
5074         * function.c (assign_parms): Round current_function_args_size
5075         to PARM_BOUNDARY, not STACK_BOUNDARY.
5076
5077 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
5078
5079         * config/i386/i386.c (x86_elf_aligned_common)
5080         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5081
5082 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
5083
5084         PR tree-optimization/23157
5085         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5086         before emitting them.
5087
5088 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5089
5090         PR tree-optimization/19899
5091         * Makefile.in (tree-scalar-evolution.o): Add real.h.
5092         * tree-scalar-evolution.c: Include real.h.
5093         (add_to_evolution): Build constant -1 of correct type.
5094
5095 2005-08-03  Jan Hubicka  <jh@suse.cz>
5096
5097         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5098         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5099         profile updating for complette unrolling.
5100         * loop-unroll.c (peel_loop_completely): Use it.
5101         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5102         (tree_unroll_loops_completely): Disable code growing unrolling of cold
5103         loops.
5104
5105 2005-08-03  Paul Brook  <paul@codesourcery.com>
5106
5107         * combine.c (can_change_dest_mode): New function.
5108         (try_combine, simplify_set): Use it.
5109
5110 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
5111
5112         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5113         TFmode to BLKmode.
5114
5115 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
5116
5117         * doc/install.texi (Specific): Adjust link to openavr.org.
5118         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5119         (Binaries): Adjust HP-UX Porting Center link.
5120         (Binaries): Adjust Free Software Foundation ordering link.
5121
5122 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
5123
5124         * convert.c (convert_to_integer): Use fold_build1 instead of
5125         build1 when converting an integer to an integer.
5126
5127 2005-08-02  Richard Henderson  <rth@redhat.com>
5128
5129         * combine.c (combine_instructions): Don't use reg_equal/equiv
5130         results if the mode doesn't match.
5131
5132 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
5133
5134         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5135         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5136
5137 2005-08-02  Richard Henderson  <rth@redhat.com>
5138
5139         PR 23196
5140         * explow.c (memory_address): Remove special-case for
5141         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5142
5143 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
5144
5145         PR 23164
5146         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5147         number of calls to cleanup_tree_cfg_1.
5148
5149 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
5150
5151         * doc/invoke.texi: document file extensions .F90 and .F95
5152
5153 2005-08-02  Richard Guenther  <rguenther@suse.de>
5154
5155         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5156         positive if its first argument is positive.
5157
5158 2005-08-02  Richard Guenther  <rguenther@suse.de>
5159
5160         PR tree-optimization/23177
5161         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5162         on TMR_TAG.
5163
5164 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
5165
5166         PR tree-optimization/23129
5167         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5168         varying for divisions with anti-ranges.
5169
5170 2005-08-02  Jan Hubicka  <jh@suse.cz>
5171
5172         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5173         * tree-ssa-threadupdate.c (thread_block): Add it here.
5174
5175 2005-08-01  James E Wilson  <wilson@specifix.com>
5176
5177         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5178         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5179         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5180         New.
5181         * config/mips/predicates.md (const_call_insn_operand): Add check for
5182         SYMBOL_REF_LONG_CALL_P.
5183         * doc/extend.texi (long_call): Document the new attribute.
5184
5185 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5186             Richard Henderson  <rth@redhat.com>
5187
5188         * Makefile.in (RTL_BASE_H): Add real.h.
5189         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5190         instead of memcpy.
5191         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5192         directly.
5193         * rtl.c (rtl_check_failed_code_mode): New.
5194         * rtl.h (struct rtx_def): Add u.rv.
5195         (XCMWINT, XCNMPRV): New.
5196         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5197         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5198
5199 2005-08-01  Richard Henderson  <rth@redhat.com>
5200
5201         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5202         with auto-inc codes.
5203
5204         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5205
5206 2005-08-01  Jan Hubicka  <jh@suse.cz>
5207
5208         * i386-protos.h (asm_preferred_eh_data_format): Declare.
5209         * i386.c: Include dwarf2.h
5210         (asm_preferred_eh_data_format): New.
5211         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5212
5213 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5214
5215         * config/host-linux.c (linux_gt_pch_get_address): Add new name
5216         randomize_va_space for virtual address randomization control.
5217
5218 2005-08-01  Steven Bosscher  <stevenb@suse.de>
5219
5220         * common.opt (flag_ipa_cp): Put in right place to maintain
5221         alphabetic sort.
5222
5223 2005-08-01  Jan Hubicka  <jh@suse.cz>
5224
5225         * profile.c (compute_value_histograms): Fix thinko.
5226         * value-prof.c: Include toplev.h
5227         (check_counter): New function.
5228         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5229         tree_mod_subtract_transform): Add sanity check.
5230
5231 2005-08-01  Richard Guenther  <rguenther@suse.de>
5232
5233         PR tree-optimization/23133
5234         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5235         current functions parameter decls to find defs to cse
5236         reciprocals of.
5237
5238 2005-08-01  Richard Guenther  <rguenther@suse.de>
5239
5240         PR tree-optimization/23109
5241         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5242         If trapping math is in effect, use post-dominator information
5243         to check if we'd in any case reach a trapping point before
5244         doing the reciprocal insertion.
5245         (execute_cse_reciprocals): Compute post-dominators, if necessary.
5246         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5247         expressions are invariant only if trapping math is not in effect.
5248
5249 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5250
5251         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5252         cgraph_function_versioning): New declarations.
5253         * cgraphunit.c: Add include to ipa-prop.h.
5254         (update_call_expr, cgraph_copy_node_for_versioning,
5255         cgraph_function_versioning): New functions.
5256         * integrate.c (copy_decl_for_inlining): Remove.
5257         * ipa-prop.h (ipa_replace_map): New struct.
5258         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5259         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5260         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5261         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5262         ipcp_iterate_stage, ipcp_method_scale_print,
5263         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5264         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5265         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5266         ipcp_update_bb_counts, ipcp_update_profiling,
5267         ipcp_update_edges_counts): New functions.
5268         (ipcp_method_cval_init): Remove restriction regarding local methods.
5269         (ipcp_init_stage): Add ipcp_method_compute_scale.
5270         (ipcp_insert_stage): Add versioning.
5271         (ipcp_structures_print): Add ipcp_method_scale_print.
5272         (ipcp_driver): Dump profiling info.
5273         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5274         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5275         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5276         (struct inline_data): Add versioning_p, ipa_info, new fields.
5277         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5278         declare_return_variable): Replace calls to copy_decl_for_inlining with
5279         copy_decl_for_dup.
5280         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5281         versioning support.
5282         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5283         Add argument VERSIONING.
5284         (copy_arguments_for_versioning, copy_static_chain,
5285         function_versionable_p, tree_versionable_function_p,
5286         tree_function_versioning, replace_ref_tree): New functions.
5287         * tree-inline.h: Include varray.h.
5288         (tree_versionable_function_p,  tree_function_versioning,
5289         tree copy_decl_for_dup): New declarations.
5290
5291 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5292
5293         * ipa-cp.c: New file. Contains IPCP specific functionality.
5294         * ipa-prop.h: New file. Contains structures/definitions that can be
5295         used by several interprocedural data flow optimizations (and also IPCP).
5296         * ipa-prop.c: New file.
5297         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5298         * common.opt: Add ipa-cp flag.
5299         * timevar.def: Add IPCP optimization.
5300         * tree-optimize.c (init_tree_optimization_passes): Schedule
5301         pass_ipa_cp.
5302         * tree-pass.h (pass_ipa_cp): Declare.
5303
5304 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
5305
5306         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5307         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5308         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5309         config/i386/i386.c, config/mips/mips.h,
5310         config/rs6000/rs6000.h, config/sh/sh.c,
5311         config/stormy16/stormy16.c: Fix comment typos.
5312
5313 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
5314
5315         PR c/22311
5316         * c-typeck.c (build_binary_op): Use common_type wrapper on
5317         shortened types.
5318         (common_type): Update comment.
5319
5320 2005-07-31  Steven Bosscher  <stevenb@suse.de>
5321
5322         PR target/23095
5323         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5324         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5325         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5326
5327 2005-07-31  Jan Hubicka  <jh@suse.cz>
5328
5329         * pretty-print.h (pp_widest_integer): New macro.
5330         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5331         counts.
5332
5333 2005-07-31  Jan Hubicka  <jh@suse.cz>
5334
5335         * output.h (enum section_category): Export from varasm.c
5336         (categorize_decl_for_section): Likewise.
5337         * varasm.c (enum section_category): Kill.
5338         (categorize_decl_for_section): Make global.
5339         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5340         Declare.
5341         * i386.c (ix86_section_threshold): New static variable.
5342         (ix86_in_large_data_p, ix86_encode_section_info,
5343         x86_64_elf_unique_section,
5344         x86_64_elf_select_section): New functions.
5345         (TARGET_ENCODE_SECTION_INFO): Define
5346         (override_options): Enable medium model for PIC.
5347         (ix86_expand_prologue): Expand gen_set_got_rex64.
5348         (legitimate_constant_p): Handle new UNSPECs.
5349         (legitimate_pic_address_disp_p): Likewise.
5350         (legitimize_pic_address): Lower MEDIUM model addressing.
5351         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5352         (enum cmodel): Add MEDIUM_PIC.
5353         (SYMBOL_REF_FAR_ADDR_P): New macro.
5354         (SYMBOL_FLAG_FAR_ADDR): New flag.
5355         * i386.md (movdi): Support medium model.
5356         (set_got_rex64): New pattern.
5357         * i386.opt (mlarge-data-threshold): New flag.
5358         * predicates.md (zext_operand/sext_operand): Deal with medium model.
5359         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5360         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5361         TARGET_ASM_UNIQUE_SECTION): New.
5362
5363         * invoke.texi (-mlarge_data_threshold): Document
5364
5365 2005-07-31  Jan Hubicka  <jh@suse.cz>
5366
5367         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5368         (coalesce_vars): Likewise.
5369         * tree-ssa-live.c (coalesce_cost): New.
5370         (build_tree_conflict_graph): Use coalesce_cost.
5371         * tree-ssa-live.h (coalesce_cost): Declare.
5372
5373 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5374
5375         * arm.md (all peepholes for post-increment operations): Delete.
5376         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5377         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5378         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5379         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5380         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5381
5382 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
5383
5384         * fold-const.c (tree_expr_nonnegative_p): Always return true for
5385         non-integral types.
5386
5387 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
5388
5389         PR target/22582
5390         * doc/invoke.texi: Document -rdynamic.
5391
5392 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
5393
5394         PR c/23143
5395         * c-parser.c (c_parser_parms_list_declarator): Call
5396         mark_forward_parm_decls.
5397         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5398         decls with visibility structure.
5399
5400 2005-07-30  Paul Brook  <paul@codesourcery.com>
5401
5402         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5403
5404 2005-07-30  Paul Brook  <paul@codesourcery.com>
5405
5406         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5407         prototype.
5408         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5409         value for mode.
5410         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5411
5412 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5413
5414         PR c/529
5415         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5416         nested function declarators.
5417         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5418         (grokparms): Call warn_if_shadowing for parameters used within the
5419         parameter list.
5420         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5421         not used within the parameter list.
5422         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5423
5424 2005-07-30  Jan Hubicka  <jh@suse.cz>
5425
5426         * expr.c (expand_expr_real_1): Do not load mem targets into register.
5427         * i386.c (ix86_fixup_binary_operands): Likewise.
5428         (ix86_expand_unary_operator): Likewise.
5429         (ix86_expand_fp_absneg_operator): Likewise.
5430         * optabs.c (expand_vec_cond_expr): Validate dest.
5431
5432 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5433
5434         PR c/21720
5435         * real.c (real_from_string): Also set last bit if there is a
5436         nonzero hex digit beyond GCC's internal precision after ".".
5437
5438 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
5439
5440         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5441         define_constants.  Change duplicate values to unassigned numbers.
5442         Change UNSPEC_SUBS to UNSPEC_VSUBS.
5443         (*altivec_vspltsf): New.
5444         (altivec_vperm_v4sf): Delete.
5445         (altivec_vperm_<mode>): Use mode macro V.
5446         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5447         (altivec_predicate_v4sf): Delete.
5448         (altivec_predicate_<mode>): Use mode macro V.
5449         (*altivec_lvesfx): New.
5450         (*altivec_stvesfx): New.
5451         (vec_realign_load_v4sf): Delete.
5452         (vec_realign_load_<mode>): Use mode macro V.
5453         * config/rs6000/rs6000.c (generate_set_vrsave): Use
5454         UNSPECV_SET_VRSAVE.
5455
5456 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
5457
5458         PR bootstrap/23131
5459         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5460         string.
5461         * configure: Regenerated.
5462
5463 2005-07-29  Paul Brook  <paul@codesourcery.com>
5464
5465         * doc/install.texi: Add link to GFortran binaries wiki page.
5466
5467 2005-07-29  David Ung  <davidu@mips.com>
5468
5469         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5470         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5471         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5472         * config/mips/mips.md (cpu): Add 5kf name.
5473         (includes): Includes 5k.md.
5474         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5475         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5476         -march flag.
5477
5478 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5479
5480         PR 22550
5481         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5482         (cleanup_tree_cfg): ... here.
5483         Call cleanup_tree_cfg_1 until there are no more cleanups to
5484         do.
5485
5486 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
5487
5488         * tree-vrp.c (compare_range_with_value): Return true or false
5489         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5490         EQ_EXPR respectively.
5491
5492 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
5493
5494         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5495         Fix comment typos.
5496
5497 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5498
5499         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5500         (tree_ssa_dominator_optimize): Increment it.
5501         (dump_dominator_optimization_stats): Print it.
5502
5503 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
5504             Steven Bosscher  <stevenb@suse.de>
5505
5506         PR rtl-optimization/23117
5507         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5508         when head == tail.  Tidy comment.
5509
5510 2005-07-28  Richard Henderson  <rth@redhat.com>
5511
5512         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5513         * cselib.c (rtx_equal_for_cselib_p): Likewise.
5514         * jump.c (rtx_renumbered_equal_p): Likewise.
5515         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5516         CONST_INT and CONST_DOUBLE.
5517         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5518         * reload.c (operands_match_p): Special case CONST_INT and
5519         CONST_DOUBLE; check mode earlier.
5520
5521 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5522
5523         PR c/22240
5524         * c-typeck.c (convert_for_assignment): Do not check
5525         DECL_IN_SYSTEM_HEADER on NULL fundecl.
5526
5527 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5528
5529         PR c/22192
5530         * c-typeck.c (composite_type): Prefer constant size arrays to
5531         VLAs.
5532
5533 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5534
5535         PR c/21720
5536         * real.c (real_from_string): Set last bit if there is a nonzero
5537         hex digit beyond GCC's internal precision.
5538
5539 2005-07-28  Richard Henderson  <rth@redhat.com>
5540
5541         PR rtl-opt/22619
5542         * cfgcleanup.c (try_forward_edges): Watch out for end of
5543         insn chain.
5544
5545 2005-07-28  James E Wilson  <wilson@specifixinc.com>
5546
5547         PR c/23106
5548         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5549
5550 2005-07-28  Jan Hubicka  <jh@suse.cz>
5551
5552         * Makefile.in (rtl-profile.o): Kill all traces of it.
5553         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5554         * coverage.h (rtl_coverage_counter_ref): Kill.
5555         * opts.c (flag_speculative_prefetching_set): Kill.
5556         (flag_loop_optimize_set): New.
5557         (common_handle_option): Disable loop optimizer when profiling;
5558         do not handle speculative prefetching.
5559         * passes.c (init_optimization_passes): Replace pass_profiling combo
5560         by branch_prob pass.
5561         * profile.c (compute_value_histograms): Update for simplified value
5562         profiles.
5563         (rtl_register_profile_hooks): Kill.
5564         (pass_profiling): Kill.
5565         (rest_of_handle_branch_prob): Do not profile.
5566         * toplev.c (process_options): Remove speculative prefetching.
5567         * toplev.h (flag_tree_based_profiling): Kill.
5568         * tree-profile.c (prepare_instrumented_value,
5569         tree_gen_interval_profiler, tree_gen_pow2_profiler,
5570         tree_gen_one_value_profiler, do_tree_profiling): Update for
5571         simplified datastructures.
5572         * value-prof.c: Add comment that speculative prefetching was dropped;
5573         update rest of file for simplified datastructures.
5574         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5575         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5576         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5577         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5578         rtl_mod_subtract, gen_speculative_prefetch,
5579         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5580         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5581         (gate_handle_value_profile_transformations,
5582         rest_of_handle_value_profile_transformations,
5583         pass_value_profile_transformations): Kill.
5584         * value-prof.h (histogram_value_t): Remove IL based unions.
5585         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5586         rtl_profile_hooks): Remove hooks.
5587
5588         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5589
5590         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5591         (cgraph_clone_node): Likewise.
5592         * cgraph.h (cgraph_clone_edge): Update prototype.
5593         (cgraph_clone_node): Likewise.
5594         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5595         cgraph_clone_node.
5596         (lookup_recursive_calls): Consider profile.
5597         (cgraph_decide_recursive_inlining): Fix updating; use new
5598         probability argument; use profile.
5599         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5600         * tree-inline.c (copy_bb): Update clal of clone_edge.
5601         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5602
5603         * invoke.texi (min-inline-recursive-probability): Document.
5604
5605 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
5606
5607         * doc/install.texi (Configuration): Update Valgrind homepage.
5608
5609 2005-07-28  Richard Henderson  <rth@redhat.com>
5610
5611         PR middle-end/21362
5612         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5613         labels we want to delete.
5614         (cfg_layout_merge_blocks): Likewise.
5615
5616 2005-07-28  Richard Henderson  <rth@redhat.com>
5617
5618         PR target/17692
5619         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5620         when expanding to nothing.
5621
5622 2005-07-28  Josh Conner  <jconner@apple.com>
5623
5624         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5625         (cgraph_decide_inlining_of_small_functions): Likewise.
5626
5627 2005-07-28  Josh Conner  <jconner@apple.com>
5628
5629         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
5630         direction of badness if negative.
5631         (cgraph_default_inline_p): Add reason to parameters, and assign it
5632         a value.
5633         (cgraph_decide_inlining_of_small_functions): New parameter in call
5634         to cgraph_default_inline_p.
5635         (cgraph_decide_inlining_incrementally): Likewise.
5636         * cgraphunit.c (decide_is_function_needed): Likewise.
5637         * cgraph.h (cgraph_default_inline_p): Likewise.
5638
5639 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5640
5641         * builtins.c: Fix comment typo(s).
5642         * genautomata.c: Likewise.
5643         * gimplify.c: Likewise.
5644         * tree-dfa.c: Likewise.
5645         * tree-flow-inline.h: Likewise.
5646         * tree-into-ssa.c: Likewise.
5647         * tree-ssa-alias.c: Likewise.
5648         * tree-ssa-ccp.c: Likewise.
5649         * tree-ssa-copy.c: Likewise.
5650         * tree-ssa-dce.c: Likewise.
5651         * tree-ssa-dom.c: Likewise.
5652         * tree-ssa-operands.c: Likewise.
5653         * tree-tailcall.c: Likewise.
5654         * tree-vectorizer.c: Likewise.
5655         * tree-vrp.c: Likewise.
5656         * tree.c: Likewise.
5657
5658 2005-07-28  Jeff Law  <law@redhat.com>
5659
5660         * tree-vrp.c (test_for_singularity): Extracted from  ...
5661         (simplify_cond_using_ranges): Attempt to simplify a relational
5662         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
5663
5664 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
5665
5666         PR tree-optimization/22506
5667         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5668         phis whose argument is constant.
5669
5670 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
5671
5672         PR rtl-optimization/18992
5673         Back out this patch:
5674           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5675           PR optimization/12142
5676           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5677           uses of the register in the SET_SRC.  Remove unnecessary argument.
5678
5679         Replace it with this:
5680         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5681         if flag_non_call_exceptions is set and the insn may trap, pass
5682         pc_rtx as dest for recursion.
5683         In SET_SRC part of SET case, if dest is already set, pass it down
5684         unchanged.
5685
5686 2005-07-28  Jan Hubicka  <jh@suse.cz>
5687
5688         * cfg.c (update_bb_profile_for_threading): Use RDIV.
5689         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5690         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5691         roundoff errors.
5692         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5693         profile when available.
5694
5695 2005-07-28  Jan Beulich <jbeulich@novell.com>
5696
5697         * config/ia64/ia64.c (ia64_load_pair_ok): New.
5698         (ia64_print_operand): Describe and handle 'X'.
5699         (ia64_register_move_cost): Also handle FP_REGS.
5700         (ia64_preferred_reload_class): Likewise.
5701         (ia64_secondary_reload_class): Likewise.
5702         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5703         it. Also check for ITANIUM_CLASS_FLDP.
5704         * config/ia64/ia64.h (FP_REGNO_P): New.
5705         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5706         (reg_class): Add FP_REGS.
5707         (REG_CLASS_NAMES): Adjust for it.
5708         (REG_CLASS_CONTENTS): Likewise.
5709         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5710         (REG_CLASS_FROM_LETTER): Handle 'x'.
5711         (CLASS_MAX_NREGS): Handle FP_REGS.
5712         (MEMORY_MOVE_COST): Likewise.
5713         * config/ia64/ia64.md (itanium_class): Add fldp.
5714         (type): Handle fldp.
5715         (movti_internal): More allowable operand combinations. Use ldfp8 when
5716         splitting unnecessary. Remove predicable attribute. Adjust
5717         itanium_class attribute.
5718         (smuldi3_highpart): Remove outdated comment.
5719         (mulditi3, umulditi3, rotlti3): New expanders.
5720         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5721         (absti2): Disabled new insn for future reference.
5722         Respective new splitters.
5723         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5724         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5725         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5726
5727 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
5728
5729         PR rtl-optimization/23047
5730         * simplify-rtx.c (simplify_const_relational_operation): Respect
5731         flag_wrapv for comparisons with ABS.
5732
5733 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
5734
5735         PR tree-optimization/22493
5736         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5737         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5738
5739 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
5740
5741         * config/frv/frv.opt (moptimize-membar): New.
5742
5743         * doc/invoke.texi: Document -moptimize-membar and its inverse.
5744
5745         * config/frv/frv.h: Remove machine_function definition.
5746
5747         * config/frv/frv.c (struct frv_io): New.
5748         (struct machine_function): Moved from frv.h.  Add has_membar_p.
5749         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5750         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5751         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5752         (frv_optimize_membar_global, frv_optimize_membar): New functions.
5753         (frv_reorg): Call frv_optimize_membar when appropriate.
5754         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5755         (frv_expand_builtin): Adjust calls accordingly.
5756         (frv_io_address_cookie): New function.
5757         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5758         load or store rather than a special insn.  Add ccnstant address and
5759         io-type operands to the membar.
5760         (frv_ifcvt_modify_tests): Unsign regno.
5761         (frv_ifcvt_modify_tests): Same.
5762
5763         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
5764         UNSPEC_OPTIONAL_MEMBAR constant.
5765         (builtin_read_<mode>): Delete.
5766         (builtin_write_<mode>): Delete.
5767         ("optional_membar_<mode>"): Add operand.
5768
5769         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5770         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5771         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5772         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5773         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5774         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5775         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5776         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5777         * testsuite/gcc.target/frv/all-read-write-1.c: New.
5778
5779 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5780
5781         * df.c (df_uses_record): Handle SCRATCH.
5782
5783 2005-07-28  Steven Bosscher  <stevenb@suse.de>
5784
5785         PR debug/20161
5786         * passes.c (rest_of_decl_compilation): If decl is a type and
5787         we have encountered errors, don't emit debug information.
5788
5789 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
5790
5791         * params.def: Fixed comment.
5792
5793 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
5794
5795         PR target/19885
5796         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5797         (TARGET_ASM_UNALIGNED_HI_OP): Add.
5798         (TARGET_ASM_UNALIGNED_SI_OP): Add.
5799
5800 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5801
5802         PR c++/22003
5803         * varasm.c (assemble_start_function): Don't do anything that may
5804         require a CFG if the current function is a thunk.
5805
5806 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
5807
5808         * doc/install.texi (Prerequisites): Mention that perl is needed
5809         to do export control in libstdc++ targetting Darwin.
5810
5811 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5812
5813         PR rtl-optimization/17808
5814         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5815         (sched_insns_conditions_mutex_p): Split out from...
5816         (add_dependence): ...here.  But don't call it from here.
5817         (add_dependence_list): Check sched_insns_conditions_mutex_p
5818         before calling add_dependence.
5819         (add_dependence_list_and_free): Likewise.
5820         (fixup_sched_groups): Likewise.
5821         (sched_analyze_1): Likewise.
5822         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5823         (sched_analyze): Likewise.
5824         (sched_analyze_insn): Likewise.
5825         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5826         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
5827         dependencies on all COND_EXEC insns to jumps ending basic blocks
5828         when doing intrablock scheduling.
5829         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5830
5831 2005-07-27  Jeff Law  <law@redhat.com>
5832
5833         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5834         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
5835         equivalency sets, correctly handle the case were vr0 has an
5836         equivalency set, but vr1 does not.
5837
5838 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
5839
5840         PR tree-optimization/23073
5841         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5842         vect_print_dump_info before fprintf.
5843
5844 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5845
5846         PR tree-optimize/22348
5847         * tree-ssa-loop-niter.c (number_of_iterations_cond):
5848         Fold the partial computation.
5849
5850 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5851
5852         PR tree-optimization/22325
5853         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5854         Declare.
5855         * tree-scalar-evolution.c (scev_const_prop): Add generic final
5856         value replacement.
5857         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5858         (force_var_cost): ... this function.
5859         (compute_phi_arg_on_exit): Export.
5860
5861 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5862
5863         PR tree-optimization/20773
5864         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5865         edge.
5866
5867 2005-07-27  Richard Guenther  <rguenther@suse.de>
5868
5869         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5870         Avoid pushing again if current struct contains only
5871         fields we decomposed.
5872
5873 2005-07-27  Jan Hubicka  <jh@suse.cz>
5874
5875         PR tree-optimization/22574
5876         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5877         not available.
5878
5879         * tree-tailcall.c (decrease_profile): New function.
5880         (eliminate_tail_call): Use it.
5881
5882         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5883         visibility flags correctly in whole program mode.
5884
5885 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
5886
5887         PR rtl-optimization/22472
5888         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5889
5890 2005-07-26  Steven Bosscher  <stevenb@suse.de>
5891
5892         PR tree-optimization/22504
5893         * tree-complex.c (expand_complex_addition): Use 'code' instead
5894         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5895
5896 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5897
5898         * config.gcc (cpu_type): Add frv case.
5899         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5900         (supported_defaults): Add fr550 case.
5901
5902 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
5903
5904         PR 22591
5905         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5906         whether a pointer of type T * may point to objects of type T *.
5907
5908 2005-07-26  DJ Delorie  <dj@redhat.com>
5909
5910         * configure: Regenerate.
5911
5912 2005-07-26  Dale Johannesen  <dalej@apple.com>
5913
5914         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
5915
5916 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
5917
5918         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5919         Clarify use of "build" in name.
5920
5921 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5922
5923         * doc/extend.texi (Raw read/write Functions): New section.
5924         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5925         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5926         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5927         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5928         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5929         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5930         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5931         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5932         * config/frv/frv.c: Add bdesc_loads global.
5933         Add bdesc_stores global.
5934         (frv_init_builtins): Add support for __builtin_{read/write}*.
5935         (frv_volatile_memref): New.
5936         (frv_expand_load_builtin): New.
5937         (frv_expand_store_builtin): New.
5938         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5939         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5940         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5941         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5942         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5943         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5944         (builtin_read_<mode>): New.
5945         (builtin_write_<mode>): New.
5946         (builtin_write64): New.
5947         (optional_membar_<mode>): New.
5948
5949 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
5950
5951         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5952         (rather than units) against HOST_BITS_PER_WIDE_INT.
5953
5954 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
5955
5956         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5957         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5958         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5959         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5960         FSF address.
5961
5962         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5963         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5964         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5965         comment typos.
5966         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5967
5968 2005-07-26  Richard Guenther  <rguenther@suse.de>
5969
5970         PR tree-optimization/22486
5971         * fold-const.c (fold_unary): Fold away useless component
5972         references of the form (T *)&T.x, if the address
5973         doesn't change.
5974
5975 2005-07-25  James E Wilson  <wilson@specifixinc.com>
5976
5977         * dwarf2out.c (add_call_src_coords_attributes): New.
5978         (gen_inlined_subroutine_die): Call it.
5979         (maybe_emit_file, init_file_table): Add comments.
5980         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5981         maybe_emit_file.
5982         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5983         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5984         * tree.h (BLOCK_SOURCE_LOCATION): New.
5985         (struct tree_block): New field locus.
5986
5987 2005-07-26  Andreas Schwab  <schwab@suse.de>
5988
5989         PR rtl-optimization/23043
5990         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5991         when allocating a struct unoccr.
5992
5993 2005-07-25  Richard Henderson  <rth@redhat.com>
5994
5995         PR 22626
5996         * tree-complex.c (gate_no_optimization): True if errors.
5997         * Makefile.in (tree-complex.o): Update dependencies.
5998
5999 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
6000
6001         * config/frv/predicates.md (integer_register_operand): Use
6002         GPR_AP_OR_PSEUDO_P.
6003
6004 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6005
6006         PR tree-opt/22484
6007         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6008         after fold.
6009         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6010
6011 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6012
6013         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6014         types when flag_unsafe_math_optimizations is true.
6015
6016 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
6017
6018         * gcc.c (option_map): Add --sysroot.
6019         (process_command): Handle --sysroot.
6020         (display_help): Document it.
6021         * doc/cppopts.tex (-isysroot): Document.
6022         * doc/invoke.texi (--sysroot): Document.
6023         * doc/install.texi (--with-build-sysroot): Document.
6024
6025         * Makefile.in (inhibit_libc): New variable.
6026         (INHIBIT_LIBC_CFLAGS): Likewise.
6027         (LIBGCC2_CFLAGS): Include
6028         $(INHIBIT_LIBC_CFLAGS).
6029         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6030         ($(T)crtbegin.o): Do not use @inhibit_libc@.
6031         ($(T)crtend.o): Likewise.
6032         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6033         ($(T)crtendS.o): Likewise.
6034         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6035         ($(T)crtendT.o): Likewise.
6036         (stmp-fixinc): Do not complain about missing headers if
6037         inhibit_libc.
6038         * configure.ac (inhibit_libc): Set it to true/false.
6039         (--with-build-sysroot): New option.  Use it to set
6040         SYSTEM_HEADER_DIR.
6041         * configure: Regenerated.
6042
6043 2005-07-25  Manfred Hollstein  <mh@suse.com>
6044
6045         * calls.c (store_one_arg): Fix unsigned comparison warning.
6046
6047 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6048
6049         PR other/22337
6050         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6051         (ggc_print_statistics): Initialize variable before use.
6052
6053 2005-07-25  Richard Guenther  <rguenther@suse.de>
6054
6055         * tree-dfa.c (mark_new_vars_to_rename): Protect against
6056         calling with a PHI_NODE argument.
6057
6058         * tree-flow-inline.h (overlap_subvar): Protect against
6059         possible overflow.
6060
6061 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
6062
6063         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6064         * configure: Regenerate.
6065
6066 2005-07-25  Ira Rosen  <irar@il.ibm.com>
6067
6068         * expr.c (highest_pow2_factor): Make extern.
6069         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6070         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6071         record_array_differ_p, array_ptr_differ_p): Likewise.
6072         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6073         additional cases. Call the above functions.
6074         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6075         base_object_differ_p when there are two base objects. Otherwise, compare
6076         base address and offset. Call may_alias_p.
6077         (dump_data_reference): Use a correct field name.
6078         (analyze_array): Make static. Initialize new data-ref fields.
6079         (analyze_indirect_ref): New function.
6080         (init_data_ref): Initialize new data-ref fields.
6081         (strip_conversion): Moved from tree-vect-analyze.c.
6082         (analyze_offset_expr, get_ptr_offset, address_analysis,
6083         object_analysis): Likewise.
6084         (analyze_offset): New function.
6085         (create_data_ref): Likewise.
6086         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6087         dimensions for ARRAY_REFs only.
6088         (build_classic_dist_vector): Make static.
6089         (access_functions_are_affine_or_constant_p): Call macro to get the
6090         address of access functions.
6091         (compute_all_dependences): Add new parameter
6092         compute_self_and_read_read_dependences. Compute self and read-read
6093         dependences if it is true.
6094         (find_data_references_in_loop): Call create_data_ref. Initialize new
6095         data-ref fields.
6096         (compute_data_dependences_for_loop): Add new parameter
6097         compute_self_and_read_read_dependences. Remove parameter nb_loops,
6098         compute nb_loops. Call compute_all_dependences,
6099         build_classic_dist_vector and build_classic_dir_vector with correct
6100         parameters.
6101         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6102         with correct parameters. Compare dimensions for ARRAY_REFs only.
6103         (free_data_refs): Call macro to free access functions.
6104         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6105         fields from stmt_vinfo.
6106         (struct base_object_info): New structure.
6107         (struct data_reference): Move fields to base_object_info. Add fields
6108         first_location and object_info for above structures. Move fields from
6109         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6110         aligned_to.  Add macros to access the new fields.
6111         Update functions declarations.
6112         * tree-flow.h (is_aliased_with): Declare.
6113         * tree-loop-linear.c (linear_transform_loops): Call
6114         compute_data_dependences_for_loop with correct parameters.
6115         * tree-ssa-alias.c (is_aliased_with): New function.
6116         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6117         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6118         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6119         vect_base_addr_differ_p, compute_subscript_distance and
6120         build_classic_dist_vector. Add printings. Check absolute value of
6121         distance.
6122         (vect_analyze_data_ref_dependences): Go through ddrs instead of
6123         data-refs.
6124         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6125         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6126         to bytes. Add printing.
6127         (vect_compute_data_refs_alignment): Go through loads and stores in one
6128         loop.
6129         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6130         vect_analyze_data_ref_access): Likewise.
6131         (vect_analyze_pointer_ref_access): Remove.
6132         (vect_address_analysis, vect_object_analysis): Likewise.
6133         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6134         and analyze data-refs in the loop.
6135         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6136         fields of data-ref instead of stmt. Add init to the offset from the
6137         base.
6138         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6139         (vect_update_init_of_dr): Likewise.
6140         (vect_update_inits_of_drs): Go through loads and stores in one loop.
6141         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6142         removed fields.
6143         (new_loop_vec_info): Initialize new fields.
6144         (destroy_loop_vec_info): Free new fields.
6145         (vect_strip_conversion): Remove.
6146         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6147         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6148         datarefs. Add new field ddrs.
6149         Add macros for the new fields access.
6150         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6151         base_aligned_p, misalignment, memtag, ptr_info and subvars.
6152         Remove their macros.
6153         * tree.h (highest_pow2_factor): Declare.
6154
6155 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
6156
6157         * calls.c (store_one_arg): Check for sibling call MEM arguments
6158         from already clobbered incoming argument area.
6159
6160 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6161
6162         * c-common.c (check_missing_format_attribute): New.
6163         * c-common.h (check_missing_format_attribute): Likewise.
6164         * c-typeck.c (convert_for_assignment): Use it.
6165
6166 2005-07-24  Andreas Schwab  <schwab@suse.de>
6167
6168         * config/m68k/m68k.md ("extendqidi2"): When source is an address
6169         register use a word move.  Correct operand of ext.w in 68000 code.
6170
6171 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
6172
6173         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6174         variables as declarations, rather than definitions.
6175
6176 2005-07-24  Ira Rosen  <irar@il.ibm.com>
6177
6178         PR tree-optimization/22526
6179         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6180         of the zero node.
6181
6182 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6183
6184         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6185         that C99 reserve for future use. Use it to define clog10,
6186         clog10f and clog10l.
6187
6188 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6189
6190         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6191         * configure.ac: Check for -Wmissing-format-attribute.
6192
6193         * configure: Regenerate.
6194
6195 2005-07-23  Richard Henderson  <rth@redhat.com>
6196
6197         PR tree-optimization/22623
6198         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6199
6200 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
6201
6202         PR target/22577
6203         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6204
6205 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6206
6207         * Makefile.in (C_TREE_H): Update dependencies.
6208         * c-tree.h: Include toplev.h.
6209         * diagnostic.h (diagnostic_set_info): Add format attribute.
6210         * rtl-error.c (diagnostic_for_asm): Likewise.
6211
6212 2005-07-23  Chao-ying Fu  <fu@mips.com>
6213
6214         * config/mips/mips-dsp.md: New file.
6215         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6216         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6217         functions.
6218         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6219         MIPS_BUILTIN_BPOSGE32.
6220         (mips_expand_builtin_direct): Add one parameter to indicate that
6221         builtin functions need to return a value.
6222         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6223         functions.
6224         (mips_regno_to_class): Add classes for 12 new DSP registers.
6225         (mips_subword): Change to check four HI registers.
6226         (mips_output_move): Output move to and from 6 new DSP accumulators.
6227         (override_options): Make sure -mdsp and -mips16 are not used together.
6228         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
6229         for machine modes.
6230         (mips_conditional_register_usage): Disable 6 new DSP accumulators
6231         when !TARGET_DSP.
6232         (print_operand): Add 'q' for printing DSP accumulators.
6233         (mips_cannot_change_mode_class): Check ACC_REGS.
6234         (mips_secondary_reload_class): Check ACC_REGS.
6235         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6236         (mips_register_move_cost): Check ACC_REGS.
6237         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6238         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6239         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6240         (dsp_bdesc): New array.
6241         (bdesc_arrays): Add DSP builtin function table.
6242         (mips_prepare_builtin_arg): Check predicate again after
6243         copy_to_mode_reg.
6244         (mips_expand_builtin): Add one more parameter to
6245         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6246         MIPS_BUILTIN_BPOSGE32.
6247         (mips_init_builtins): Initialize new function types.
6248         (mips_expand_builtin_direct): Check if builtin functions need to
6249         return a value and pass operands properly.
6250         (mips_expand_builtin_bposge): New function.
6251         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6252         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6253         (FIRST_PSEUDO_REGISTER): Increase to 188.
6254         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6255         Update for 12 new DSP registers.
6256         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6257         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6258         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6259         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6260         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6261         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6262         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6263         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6264         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6265         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6266         (REGISTER_NAMES): Add names for 12 new DSP registers.
6267         * config/mips/mips.md: Include mips-dsp.md.
6268         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6269         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6270         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6271         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6272         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6273         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6274         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6275         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6276         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6277         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6278         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6279         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6280         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6281         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6282         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6283         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6284         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6285         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6286         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6287         (UNSPEC_RDDSP): New constants.
6288         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6289         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
6290         A<-d alternative.
6291         * config/mips/mips.opt (-mdsp): New option.
6292         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6293         (reg_imm10_operand): New predicates.
6294         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6295         * doc/invoke.texi (-mdsp): Document new option.
6296
6297 2005-07-22  DJ Delorie  <dj@redhat.com>
6298
6299         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6300         to warning calls.
6301         * tree-inline.c (inlinable_function_p): Likewise.
6302
6303 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
6304
6305         PR debug/21828
6306         * toplev.c (check_global_declarations): Do not mark undefined
6307         variables as DECL_IGNORED_P.
6308         * varasm.c (first_global_object_name): GTY it.
6309         (weak_global_object_name): Likewise.
6310         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6311         a string to go into {weak,first}_global_object_name.
6312
6313 2005-07-22  DJ Delorie  <dj@redhat.com>
6314
6315         * c-format.c (check_function_format): Change warning control
6316         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6317
6318 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
6319
6320         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6321         &PTR->FLD a dereference of PTR.
6322         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6323         a potential dereference of PTR.
6324
6325 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
6326
6327         PR rtl-optimization/20370
6328         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6329         call allocate_reg_info if necessary.
6330
6331         PR rtl-optimization/21848
6332         * calls.c (emit_library_call_value_1): For const functions, add
6333         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6334
6335         PR rtl-optimization/22445
6336         * cselib.c (target.h): Include.
6337         (rtx_equal_for_cselib_p): Allow commutative matches.
6338         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6339         Remove MODE parameter.  Changed all callers.
6340
6341         PR rtl-optimization/22258
6342         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6343         New functions.
6344         (try_combine): Use likely_spilled_retval_p.
6345
6346 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
6347
6348         * config.gcc: Add crx-elf support.
6349
6350         * doc/contrib.texi: Mention crx.
6351         * doc/extend.texi: Document crx extensions.
6352         * doc/install.texi: Document crx install.
6353         * doc/invoke.texi: Document crx options.
6354         * doc/md.texi: Document crx constraints.
6355
6356         * config/crx/crx-protos.h: New file.
6357         * config/crx/crx.c: New file.
6358         * config/crx/crx.h: New file.
6359         * config/crx/crx.md: New file.
6360         * config/crx/crx.opt: New file.
6361         * config/crx/t-crx: New file.
6362
6363 2005-07-22  Manfred Hollstein  <mh@suse.com>
6364
6365         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6366         warnings.
6367         (int_add_graph_edge): Likewise.
6368         (collapse_nodes): Likewise.
6369         (process_unification_queue): Likewise.
6370
6371 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6372             Laurent GUERBY  <laurent@guerby.net>
6373
6374         PR tree-optimization/22336
6375         * function.c (record_block_change): Check for
6376         cfun->ib_boundaries_block.
6377
6378 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
6379
6380         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6381         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6382
6383 2005-07-21  DJ Delorie  <dj@redhat.com>
6384
6385         * toplev.c (warn_deprecated_use): Add warning control to warning
6386         call.
6387         * c-typeck.c (parser_build_binary_op): Likewise.
6388         (c_finish_if_stmt): Likewise.
6389         * c-common.c (check_function_sentinel): Likewise.
6390         (check_nonnull_arg): Likewise.
6391
6392 2005-07-21  Richard Henderson  <rth@redhat.com>
6393
6394         PR tree-opt/22504
6395         * tree-complex.c (complex_ssa_name_components): New.
6396         (cvc_lookup): Allow entry not found.
6397         (create_components): Remove.
6398         (create_one_component_var, get_component_var): New.
6399         (get_component_ssa_name, set_component_ssa_name): New.
6400         (extract_component): Use get_component_ssa_name.
6401         (update_complex_components): Use set_component_ssa_name.
6402         (update_complex_components_on_edge): Likewise.
6403         (update_phi_components): Create new PHI nodes directly, instead
6404         of adding insns to edges.
6405         (tree_lower_complex): Allocate and free complex_variable_components
6406         and complex_ssa_name_components here.
6407
6408 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
6409
6410         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6411         revert to returning false.
6412
6413 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6414
6415         PR target/21149
6416         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6417
6418 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6419
6420         PR target/22576
6421         * config/i386/i386.md (cmpxf): Change operand constraints
6422         to "nonmemory_operand".
6423
6424 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6425
6426         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6427
6428 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6429
6430         PR middle-end/21180
6431         * fold-const.c (fold_build1): Add checksum for the operands.
6432         (fold_build2): Likewise.
6433         (fold_build3): Likewise.
6434
6435 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6436
6437         PR middle-end/19055
6438         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6439
6440 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6441
6442         * common.opt (-fforward-propagate): Committed by mistake,
6443         removed.
6444
6445 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6446
6447         * reg-stack.c: Fix comment typo(s).
6448         * tree-ssa-operands.c: Likewise.
6449         * tree-vectorizer: Likewise.
6450
6451 2005-07-21  Nick Clifton  <nickc@redhat.com>
6452
6453         * config/sh/symbian.c: Replace C++ style line comments with C
6454         style line comments.
6455         (symbian_add_attribute): Do not use a ? operator on the LHS of
6456         an assignment.
6457         (sh_symbian_handle_dll_attribute): Change the type of the
6458         method vector to "VEC(tree,gc)*" and use vector accessor
6459         macros to walk over the elements.
6460         (symbian_export_vtable_and_rtti_p): Likewise.
6461         (symbian_class_needs_attribute_p): Likewise.
6462
6463 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6464
6465         PR target/22085
6466         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6467         initialize targetm.resolve_overloaded_builtin here.
6468         (altivec_expand_overloaded_builtin): Make it non-static.
6469         * config/rs6000/rs6000-protos.h
6470         (altivec_expand_overloaded_builtin): New prototype.
6471         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6472         targetm.resolve_overloaded_builtin here.
6473         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6474
6475 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6476             Zdenek Dvorak  <dvorakz@suse.cz>
6477
6478         PR tree-optimization/19210
6479         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6480         New.
6481         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6482         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6483         rely on unproven assumptions.
6484         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6485         * tree-flow.h (number_of_iterations_exit): Add final parameter.
6486         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6487         to number_of_iterations_exit.
6488         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6489         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6490         * tree-ssa-loop-niter.c (find_loop_niter,
6491         estimate_numbers_of_iterations_loop): Likewise.
6492         (number_of_iterations_exit): Honor the new options.
6493         * doc/invoke.texi (Wunsafe-loop-optimizations,
6494         funsafe-loop-optimizations): Document them.
6495
6496 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
6497
6498         PR rtl-optimization/22167
6499         * gcse.c (hoist_code): Fix hoist_exprs[] check.
6500
6501 2005-07-20  Adam Nemet  <anemet@lnxw.com>
6502
6503         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6504         __do_global_dtors_aux longcall.
6505
6506 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
6507
6508         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6509         (old_special_pred_table): Don't reference
6510         SPECIAL_MODE_PREDICATES.
6511         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6512         * config/arc/arc.h: Don't mention PREDICATE_CODES.
6513         * config/sh/predicates.h: Don't mention
6514         SPECIAL_MODE_PREDICATES.
6515         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6516         Remove.
6517
6518 2005-07-20  DJ Delorie  <dj@redhat.com>
6519
6520         * config.gcc: Add m32c-elf support.
6521
6522         * doc/contrib.texi: Mention m32c.
6523         * doc/extend.texi: Document m32c extensions.
6524         * doc/install.texi: Mention m32c.
6525         * doc/invoke.texi: Document m32c options.
6526         * doc/md.texi: Document m32c constraints.
6527
6528         * config/m32c/addsub.md: New file.
6529         * config/m32c/bitops.md: New file.
6530         * config/m32c/cond.md: New file.
6531         * config/m32c/jump.md: New file.
6532         * config/m32c/m32c-lib1.S: New file.
6533         * config/m32c/m32c-lib2.c: New file.
6534         * config/m32c/m32c-modes.def: New file.
6535         * config/m32c/m32c-pragma.c: New file.
6536         * config/m32c/m32c-protos.h: New file.
6537         * config/m32c/m32c.abi: New file.
6538         * config/m32c/m32c.c: New file.
6539         * config/m32c/m32c.h: New file.
6540         * config/m32c/m32c.md: New file.
6541         * config/m32c/m32c.opt: New file.
6542         * config/m32c/minmax.md: New file.
6543         * config/m32c/mov.md: New file.
6544         * config/m32c/muldiv.md: New file.
6545         * config/m32c/predicates.md: New file.
6546         * config/m32c/prologue.md: New file.
6547         * config/m32c/shift.md: New file.
6548         * config/m32c/t-m32c: New file.
6549
6550 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6551
6552         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6553         (stack_protect_set, stack_protect_test): New expanders.
6554         (stack_protect_set_si, stack_protect_set_si_media,
6555         stack_protect_set_di_media, stack_protect_test_si,
6556         stack_protect_test_si_media, stack_protect_test_di_media):
6557         New insns.
6558
6559 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
6560
6561         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6562
6563 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
6564
6565         * tree.h (tree_expr_nonzero_p): Export.
6566         * fold-const.c (tree_expr_nonzero_p): Likewise.
6567         Return true for CALL_EXPRs that are alloca calls.
6568         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6569         against zero.
6570         * tree-flow.h (expr_computes_nonzero): Remove.
6571         * tree-vrp.c (expr_computes_nonzero): Remove.
6572         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6573         (extract_range_from_unary_expr): Likewise.
6574         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6575         tree_expr_nonzero_p.
6576
6577 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
6578
6579         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6580         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
6581         extra arg "picreg" and use it instead of pic_offset_table_rtx.
6582         All callers changed.
6583         (frame_related_constant_load): New arg "related" which controls
6584         setting of RTX_FRAME_RELATED_P.  All callers changed.
6585         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6586         (bfin_expand_prologue): Add stack limit checking.
6587         * config/bfin/bfin.md (trapifcc): New pattern.
6588
6589         * config/bfin/bfin.c: Include "langhooks.h".
6590         (def_builtin): Go through lang_hooks to call builtin_function.
6591
6592         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6593         * config/bfin/predicates.md (symbol_ref_operand): New.
6594         (call_insn_operand): Delete.  All callers changed to use
6595         register_no_elim_operand.
6596         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6597         call_cookie field.
6598         (function_arg): Use it to generate the call's operand 2.
6599         (bfin_longcall_p): New function.
6600         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
6601         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
6602         determine if the address needs to be in a REG.
6603         (bfin_handle_longcall_attribute): New function.
6604         (bfin_attribute_table): Add "longcall" and "shortcall".
6605         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6606         (CUMULATIVE_ARGS): New member call_cookie.
6607         (PREDICATE_CODES): Add symbol_ref_operand.
6608         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6609         extra USE to the pattern.
6610         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6611         New patterns, split off call_insn, sibcall_insn, call_value_insn and
6612         sibcall_value_insn; now the new patterns handle direct calls and the
6613         old ones indirect calls.
6614         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6615
6616 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
6617
6618         * doc/trouble.texi: Update section on handling of empty loops.
6619
6620 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
6621
6622         * config.gcc: Remove support for sparc-*-openbsd*,
6623         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6624         ns32k-*-netbsd*.
6625         * config.host: Remove support for i860-*-sysv4* as a host.
6626         * config/i860/*, config/ip2k/*, config/ns32k/*,
6627         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6628         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6629         mention obsolete ports.
6630
6631 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6632
6633         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6634         soft frame pointer.
6635         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6636         of frame_pointer_rtx.
6637         (sh_expand_epilogue): Likewise.
6638         (sh_set_return_address): Likewise.
6639         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6640         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
6641         offsets from FRAME_POINTER_REGNUM.
6642         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6643         (sh_register_names): Add initializer for sfp.
6644         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6645         (VALID_REGISTER_P): Likewise.
6646         (FIRST_PSEUDO_REGISTER): Update.
6647         (DWARF_FRAME_REGISTERS): Define.
6648         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6649         (HARD_FRAME_POINTER_REGNUM): Define.
6650         (FRAME_POINTER_REGNUM): Redefine.
6651         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6652         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
6653         from FRAME_POINTER_REGNUM.
6654         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6655         FRAME_POINTER_REGNUM.
6656         (REG_CLASS_CONTENTS): Add sfp.
6657         (REG_ALLOC_ORDER): Likewise.
6658         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
6659         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6660         of frame_pointer_rtx.
6661         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6662
6663 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
6664
6665         * fold-const.c (tree_expr_nonnegative_p): Only return true for
6666         ABS_EXPR when flag_wrapv is false because of INT_MIN.
6667         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6668         of an ABS_EXPR.
6669         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6670         ABS_EXPR<x>.
6671
6672 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
6673
6674         Make CONSTRUCTOR use VEC to store initializers.
6675         * c-common.c (complete_array_type): Update to cope with VEC in
6676         CONSTRUCTOR_ELTS.
6677         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6678         (pp_c_constructor_elts): New function.
6679         * c-pretty-print.h (pp_c_constructor_elts): Declare.
6680         * c-typeck.c (build_function_call, build_c_cast, digest_init,
6681         struct constructor_stack, struct initializer_stack,
6682         constructor_elements, push_init_level, pop_init_level,
6683         add_pending_init, find_init_member, output_init_element): Update to
6684         cope with VEC in CONSTRUCTOR_ELTS.
6685         * coverage.c (build_fn_info_value, build_ctr_info_value,
6686         build_gcov_info): Likewise.
6687         * expr.c (categorize_ctor_elements_1, store_constructor,
6688         expand_expr_real_1): Likewise.
6689         * fold-const.c (fold_ternary): Likewise.
6690         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6691         gimplify_init_constructor, gimplify_expr): Likewise.
6692         * tree-dump.c (dequeue_and_dump): Likewise.
6693         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6694         node.
6695         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6696         CONSTRUCTOR_ELTS.
6697         * tree-sra.c (generate_element_init_1): Likewise.
6698         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6699         * tree-ssa-operands.c (get_expr_operands): Likewise.
6700         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6701         * tree-vect-transform.c (vect_get_vec_def_for_operand):
6702         (get_initial_def_for_reduction): Likewise.
6703         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6704         value handle in annotations.
6705         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6706         tree_node_structure): Add support for constr_kind.
6707         (build_vector_from_ctor, build_constructor_single,
6708         build_constructor_from_list): New functions.
6709         (build_constructor): Update to take a VEC instead of a TREE_LIST.
6710         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6711         Update to cope with VEC in CONSTRUCTOR_ELTS.
6712         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6713         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6714         CONSTRUCTOR_APPEND_ELT): New macros.
6715         (struct constructor_elt, struct tree_constructor): New data types.
6716         (union tree_node): Add tree_constructor field.
6717         * treestruct.def: Define TS_CONSTRUCTOR.
6718         * varasm.c (const_hash_1, compare_constant, copy_constant,
6719         compute_reloc_for_constant, output_addressed_constants,
6720         initializer_constant_valid_p, output_constant,
6721         array_size_for_constructor, output_constructor): Update to cope with
6722         VEC in CONSTRUCTOR_ELTS.
6723         * vec.h (VEC_empty, VEC_copy): New macros.
6724
6725 2005-07-19  Devang Patel  <dpatel@apple.com>
6726
6727         * dbxout.c (dbxout_type): Check Objective-C++ lang.
6728
6729 2005-07-19  Richard Henderson  <rth@redhat.com>
6730
6731         PR tree-opt/22278
6732         * gimplify.c (gimplify_expr): Use main variant type for the temp
6733         destination for a discarded volatile read.
6734         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6735         casts between non-void types that change volatility.
6736
6737 2005-07-15  DJ Delorie  <dj@redhat.com>
6738
6739         * toplev.h: Add comment about the first parameter for warning().
6740         * errors.h: Likewise.
6741
6742         * c.opt (Wpragmas): New.
6743         * doc/invoke.texi: Document it.
6744
6745         * function.c (do_warn_unused_parameter): Add warning control to
6746         warning call.
6747         * c-decl.c (warn_if_shadowing): Likewise.
6748         * c-lex.c (cb_def_pragma): Likewise.
6749         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6750         (pop_alignment): Likewise.
6751         (handle_pragma_pack): Likewise.
6752         (apply_pragma_weak): Likewise.
6753         (handle_pragma_weak): Likewise.
6754         (handle_pragma_redefine_extname): Likewise.
6755         (add_to_renaming_pragma_list): Likewise.
6756         (handle_pragma_extern_prefix): Likewise.
6757         (maybe_apply_renaming_pragma): Likewise.
6758         (handle_pragma_visibility): Likewise.
6759
6760         * config/c4x/c4x-c.c (BAD): Likewise.
6761         (c4x_parse_pragma): Likewise.
6762         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6763         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6764         (rs6000_pragma_longcall): Likewise.
6765         * config/v850/v850-c.c (pop_data_area): Likewise.
6766         (ghs_pragma_section): Likewise.
6767         (ghs_pragma_section): Likewise.
6768         (ghs_pragma_interrupt): Likewise.
6769         (ghs_pragma_starttda): Likewise.
6770         (ghs_pragma_startsda): Likewise.
6771         (ghs_pragma_startzda): Likewise.
6772         (ghs_pragma_endtda): Likewise.
6773         (ghs_pragma_endsda): Likewise.
6774         (ghs_pragma_endzda): Likewise.
6775
6776 2005-07-19  Danny Berlin <dberlin@dberlin.org>
6777             Kenneth Zadeck <zadeck@naturalbridge.com>
6778
6779         * Makefile.in: Removed tree-promote-statics.c
6780         * tree-promote-statics.c: Removed.
6781         * common.opt: Removed flag-promote-statics.
6782         * opts.c: Ditto.
6783         * passes.c: Removed tree-promote-statics pass.
6784         * tree-pass.h: Ditto.
6785         * timevar.def: Removed TV_PROMOTE_STATICS.
6786
6787
6788 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
6789
6790         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6791         and *-*-freebsd9.
6792         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6793
6794 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6795
6796         PR c/22476
6797         * c-common.c (check_function_arguments): Call
6798         'check_function_format' if either -Wformat or
6799         -Wmissing-format-attribute are specified.
6800         * c-format.c (check_function_format): Check -Wformat before
6801         calling 'check_format_info'.
6802         * c-opts.c (c_common_post_options): Don't warn for
6803         -Wmissing-format-attribute without -Wformat.
6804         * c-typeck.c (convert_for_assignment): Detect additional cases for
6805         -Wmissing-format-attribute.
6806         * doc/invoke.texi (-Wmissing-format-attribute): Document new
6807         behavior.
6808
6809 2005-07-19  Richard Guenther  <rguenther@suse.de>
6810
6811         * config/i386/i386.md (lrint<mode>2): Use temporary
6812         instead of clobbering non-existent memory.
6813
6814 2005-07-19  Nick Clifton  <nickc@redhat.com>
6815
6816         * config/avr/avr.c (legitimate_address_p): Fix debugging print
6817         statement to avoid displaying ASCII control characters.
6818
6819 2005-07-19  Ben Elliston  <bje@au.ibm.com>
6820
6821         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6822         * cfganal.c (find_edge_index): Ditto.
6823         * combine.c (combine_instructions): Ditto.
6824         * ddg.c (create_scc): Ditto.
6825         (find_successors): Ditto.
6826         (find_predecessors): Ditto.
6827         (find_nodes_on_paths): Ditto.
6828         (longest_simple_path): Ditto.
6829         * flow.c (update_life_info): Ditto.
6830         (count_or_remove_death_notes): Ditto.
6831         (clear_log_links): Ditto.
6832         * modulo-sched.c (generate_reg_moves): Ditto.
6833         (find_max_asap): Ditto.
6834         (find_max_hv_min_mob): Ditto.
6835         (find_max_dv_min_mob): Ditto.
6836         * sbitmap.c (sbitmap_first_set_bit): Ditto.
6837         * sched-rgn.c (extract_edgelst): Ditto.
6838         * tree-into-ssa.c (prepare_names_to_update): Ditto.
6839         (dump_update_ssa): Ditto.
6840         (ssa_names_to_replace) Ditto.
6841         (switch_virtuals_to_full_rewrite): Ditto.
6842         (update_ssa): Ditto.
6843         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6844
6845 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
6846
6847         Fix PR tree-optimization/22483
6848
6849         * tree-complex.c (create_components): Use
6850         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6851         * tree-flow-inline.h (fill_referenced_var_vec): New function.
6852         * tree-flow.h (safe_referenced_var_iterator): New structure.
6853         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6854         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6855         safe_referenced_var iterator.
6856         (add_type_alias): Ditto.
6857
6858 2005-07-19  Steven Bosscher  <stevenb@suse.de>
6859
6860         * loop-init.c (rest_of_handle_loop2): Remove.
6861         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6862         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6863         (pass_rtl_loop_init, pass_rtl_loop_done,
6864         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6865         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6866         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6867         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6868         pass_tree_loop_done, and pass_tree_unswitch.
6869         (gate_loop): Rename to gate_tree_loop.
6870         * passes.c (init_optimization_passes): Update for renamed tree
6871         loop passes.  Add the new loop2 passes as subpasses of loop2.
6872         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6873         Update for the renamed tree loop passes.
6874
6875 2005-07-18  Ian Lance Taylor  <ian@airs.com>
6876
6877         PR middle-end/22057
6878         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6879         blocks when optimizing.
6880
6881 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
6882
6883         * common.opt (frename-registers): Initialize to 2.
6884         (fweb): Ditto.
6885         (fgcse-after-reload): Ditto.
6886         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6887         (process_options): Only change flag_web, flag_rename_registers,
6888         and flag_rerun_cse_after_loop if not explicitly set by user.
6889
6890 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6891
6892         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6893         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6894         in 64-bit mode the same as DImode in 32-bit mode.
6895         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6896         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6897         mode. Add new mode parameter.
6898         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6899         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6900         x86_64_shift_adj): New expanders.
6901         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6902         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6903         insns.
6904         Respective new splitters. Use renamed shift splitter helpers in 32-bit
6905         DImode shift splitters.
6906         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6907         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6908         mode parameter.
6909
6910 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6911
6912         * i386.md (movdi_extzv_1): New.
6913         (zero_extendhidi2): Combine alternatives and never force use of
6914         REX64 prefix.
6915         (zero_extendqidi2): Likewise. Don't restrict input selection.
6916
6917 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6918
6919         Fix PR tree-optimization/22531
6920         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
6921          moment.
6922
6923 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6924
6925         * tree-promote-statics.c (pass_promote_statics): Change dump file
6926          name.
6927
6928 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6929
6930         * tree-optimize.c (init_tree_optimization_passes): Add
6931         pass_eliminate_useless_stores pass.
6932         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6933         * tree-ssa-pre.c (is_copy_stmt): New function.
6934         (follow_copies_till_vuse): Ditto.
6935         (do_eustores): Ditto.
6936         (gate_eustores): Ditto.
6937
6938 2005-07-16  Richard Henderson  <rth@redhat.com>
6939
6940         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6941
6942 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6943            Kenneth Zadeck <zadeck@naturalbridge.com>
6944
6945         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6946         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6947         ipa-type-escape.h, tree-promote-statics.c
6948         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6949         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6950         tree-promote-statics.c: new files.
6951         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6952         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6953         int nonlocal_set_p, mark_constant_function): Deleted.
6954         (rest_of_handle_cfg): Removed call to mark_constant_function.
6955         (nonoverlapping_component_refs_p): Added calls to support
6956         type based aliasing.
6957         * tree-ssa-alias.c (may_alias_p,
6958         compute_flow_insensitive_aliasing): Ditto.
6959         * calls.c (flags_from_decl_or_type): Removed reference to
6960         cgraph_rtl_info.
6961         * c-typeck.c (convert_arguments): Make builtins tolerant of having
6962         too many arguments.  This is necessary for Spec 2000.
6963         * cgraph.h (const_function, pure_function): Removed.
6964         * common.opt: Added "fipa-pure-const", "fipa-reference",
6965         "fipa-type-escape", and "ftree-promote-static".
6966         * opts.c: Ditto.
6967         * passes.c: Added ipa and tree-promote-statics passes.
6968         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6969         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6970         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6971         * tree-flow.h: Added exposed sra calls and addition of
6972         reference_vars_info field for FUNCTION_DECLS.
6973         * tree-pass.h: Added passes.
6974         * tree-sra.c: (sra_init_cache): New function.
6975         (sra_insert_before, sra_insert_after) Made public.
6976         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6977         and made public.
6978         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6979         aliasing. (may_alias_p): Added code to use type escape analysis to
6980         improve alias sets.
6981         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6982         code to prune clobbers of static variables based on information
6983         produced in ipa-reference pass.  Changed call clobbering so that
6984         statics are not marked as clobbered if the call does not clobber
6985         them.
6986
6987 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
6988
6989         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6990         too.
6991
6992 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6993
6994         * doc/install.texi (*-*-solaris2*): Document recommended version
6995         of GNU binutils and mention GNU linker problem on Solaris 10.
6996
6997 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
6998
6999         PR c/22421
7000         * c-decl.c (c_build_bitfield_integer_type): New function.
7001         (finish_struct): Call it.
7002         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7003
7004 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7005
7006         * c-typeck.c (digest_init): Call 'convert_for_assignment'
7007         before returning.
7008
7009 2005-07-16  Jan Hubicka  <jh@suse.cz>
7010
7011         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7012         (scale_bbs_frequencies_int): Watch roundoff errors.
7013         * predict.c (return_prediction): Initialize return_stmt.
7014
7015 2005-07-16  Jan Hubicka  <jh@suse.cz>
7016
7017         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7018         after RTL profiling.
7019
7020 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
7021
7022         PR middle-end/22398
7023         * fold-const.c (build_range_check): Convert high/low to etype
7024         if we are only comparing against exp.
7025
7026 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
7027
7028         Fix PR tree-optimization/22376
7029         * tree-ssa-structalias.c (build_constraint_graph): We really meant
7030         special var here.
7031         (need_to_solve): New function.
7032         (compute_points_to_sets): Use it.
7033
7034 2005-07-15  Jan Hubicka  <jh@suse.cz>
7035
7036         * cfg.c (update_bb_profile_for_threading): More diagnostic.
7037         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7038
7039 2005-07-15  Richard Guenther  <rguenther@suse.de>
7040
7041         * c-common.c (handle_flatten_attribute): New function.
7042         Add flatten function attribute.
7043         * doc/extend.texi: Document flatten function attribute.
7044         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7045         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7046         New functions.
7047         (cgraph_decide_inlining): Handle functions with flatten
7048         attribute.
7049
7050 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
7051
7052         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7053         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7054         UNSPEC_XCHG, UNSPEC_AND): New.
7055         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7056         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7057         * config/rs6000/sync.md (FETCHOP): New code macro.
7058         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7059         New code attrs.
7060         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7061         (sync_compare_and_swap<mode>): Same.
7062         (sync_lock_test_and_set<mode>): Same.
7063         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7064         for QImode and HImode, and not PPC405.
7065         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7066         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7067         (sync_<fetchop>{si,di}_internal): New.
7068         (sync_nand{si,di}_internal): New.
7069         (sync_old_<fetchop>{si,di}_internal): New.
7070         (sync_old_nand{si,di}_internal): New
7071         (sync_new_<fetchop>{si,di}_internal): New.
7072         (sync_new_nand{si,di}_internal): New.
7073         (atomic_and{si,di}): New.
7074         (sync_new_nand{si,di}_internal): New.
7075         (atomic_and{si,di}): New.
7076         (sync_add<mode>_internal): Delete.
7077         (sync_addshort_internal): Use unspec instead of unspec_volatile.
7078         (sync_sub<mode>_internal): Delte.
7079         (sync_subshort_internal): New.
7080         (sync_andsi_internal): Use unspec instead of unspec_volatile.
7081         (sync_anddi_internal): Delete.
7082         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7083         (sync_booldi_internal): Delete.
7084         (sync_boolc<mode>_internal): Delete.
7085         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7086         (sync_boolc<mode>_internal2): Delete.
7087         (sync_boolcc<mode>_internal): Delete.
7088         (isync, lwsync): Use unspec instead of unspec_volatile.
7089         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7090         Revert UNSPEC_VOLATILE.
7091         (rs6000_split_atomic_op): New.
7092         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7093
7094 2005-07-14  Eric Christopher  <echristo@redhat.com>
7095
7096         * config/mips/mips.c (mips_canonicalize_comparison): Cast
7097         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7098
7099 2005-07-14  Eric Christopher  <echristo@redhat.com>
7100
7101         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7102
7103 2005-07-14  Steven Bosscher  <stevenb@suse.de>
7104
7105         PR tree-optimization/22230
7106         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7107         the computation of the four cross productions for "range op range".
7108
7109 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
7110             Ulrich Weigand  <uweigand@de.ibm.com>
7111
7112         PR target/20126
7113         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7114         in some insn.
7115
7116 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7117
7118         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7119
7120 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
7121
7122         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7123
7124 2005-07-14  Richard Guenther  <rguenther@suse.de>
7125
7126         PR middle-end/22347
7127         * config/i386/i386-protos.h (ix86_function_value): Change
7128         prototype to match new target hook.
7129         * config/i386/i386.c (ix86_value_regno): Change prototype
7130         to take extra type argument.
7131         (TARGET_FUNCTION_VALUE): Define.
7132         (ix86_function_ok_for_sibcall): Pass extra argument to
7133         ix86_value_regno, check return slot rtx for exact match.
7134         (ix86_function_value): Take extra parameter.  Dispatch to
7135         ix86_value_regno with fndecl/fntype as provided.
7136         (ix86_value_regno): Handle extra type argument.
7137         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7138
7139         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7140         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7141         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7142         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7143         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7144
7145 2005-07-14  Richard Guenther  <rguenther@suse.de>
7146
7147         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7148         * calls.c (expand_call): Pass fntype to hard_function_value.
7149         (emit_library_call_value_1): Likewise.
7150         * explow.c: Include target.h.
7151         (hard_function_value): Take extra argument, the fntype.
7152         Use new target hook for function_value.
7153         * expr.h (hard_function_value): Change prototype.
7154         * function.c (aggregate_value_p): Pass 0 as fntype to
7155         hard_function_value.
7156         (assign_parms): Use new target hook for function_value.
7157         Pass 0 as fntype to hard_function_value.
7158         (expand_function_end): Likewise.
7159         * reg-stack.c: Include target.h.
7160         (stack_result): Use new target hook for function_value.
7161         * target-def.h: New target hook function_value.
7162         * target.h: Likewise.
7163         * targhooks.c (default_function_value): New function.
7164         * targhooks.h (default_function_value): Declare.
7165
7166 2005-07-13  Ian Lance Taylor  <ian@airs.com>
7167
7168         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7169
7170 2005-07-14  Jan Hubicka  <jh@suse.cz>
7171
7172         * tree-dfa.c (dump_variable): Use default_def function.
7173         * tree-ssa-alias.c (dump_points_to_info): Likewise.
7174         * tree-ssa.c (verify_use): Likewise.
7175         * tree-ssanames.c (release_ssa_name): Likewise.
7176         * tree-tailcall.c (eliminate_tail_call): Likewise.
7177         (tree_optimize_tail_calls_1): Likewise.
7178         * tree-vrp.c (get_value_range): Likewise.
7179
7180 2005-07-14  Ben Elliston  <bje@au.ibm.com>
7181
7182         * gcc.c (main): Compare language[0] with '*' when iterating over
7183         the infiles.
7184
7185 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7186
7187         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7188         "s390_emit_compare".  Add handling of CCZ1mode.
7189         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7190         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7191         checking.
7192         (s390_branch_condition_mask): Add CCZ1mode handling.
7193         * config/s390/s390.md: ("seq", "*seq"): New pattern.
7194         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7195         Use CCZ1mode instead of CCZmode.
7196         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
7197
7198 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7199
7200         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7201         pattern.
7202         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7203
7204 2005-07-13  Eric Christopher  <echristo@redhat.com>
7205
7206         * config/mips/mips.c (mips_canonicalize_comparison): New.
7207         (mips_emit_int_relational): Use.
7208
7209 2005-07-13  Eric Christopher  <echristo@redhat.com>
7210
7211         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7212         static extra parts.
7213         * config/s390/s390.md: Include tpf.md. Move tpf specific
7214         patterns...
7215         * config/s390/tpf.md: To here.
7216         * config/s390/s390.opt: Move tpf specific options...
7217         * config/s390/tpf.opt: to here. Add mmain option.
7218         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7219         * config/s390/tpf.h: Rewrite.
7220
7221 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7222
7223         * doc/tm.texi: Remove @xref{Cross-profiling}.
7224
7225 2005-07-13  Jeff Law  <law@redhat.com>
7226
7227         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7228         expressions, test their _DECL operands for pointer equality rather
7229         than using operand_equal_p.
7230
7231 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7232
7233         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7234         (TARGET_POSIX_IO): This.
7235         * config/darwin.h: Likewise.
7236         * config/freebsd.h: Likewise.
7237         * config/linux.h: Likewise.
7238         * config/lynx.h: Likewise.
7239         * config/netbsd.h: Likewise.
7240         * config/rs6000/linux64.h: Likewise.
7241         * config/rs6000/linux.h: Likewise.
7242         * config/s390/tpf.h: Likewise.
7243         * config/sh/embed-elf.h: Likewise.
7244         * config/sparc/linux64.h: Likewise.
7245         * config/sparc/linux.h: Likewise.
7246         * config/svr4.h: Likewise.
7247         * gcov-io.h: Likewise.
7248
7249         * doc/tm.texi: Updated.
7250
7251         * libgcov.c (create_file_directory): Defined only if
7252         TARGET_POSIX_IO is defined.
7253         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7254         is defined.
7255
7256 2005-07-13  Jan Hubicka  <jh@suse.cz>
7257
7258         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7259
7260 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
7261
7262         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7263         structure as argument.
7264
7265 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
7266
7267         PR tree-optimization/21921
7268         * tree-iterator.c (tsi_link_before): Support the case when
7269         tsi_end_p (tsi) == true.
7270
7271 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7272
7273         PR tree-optimization/22442
7274         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7275         correctly.
7276
7277 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7278
7279         PR rtl-optimization/20376
7280         * toplev.c (process_options): Enable -fweb and -frename-registers when
7281         unrolling.
7282         * doc/invoke.texi: Update the information about when -fweb and
7283         -frename-registers are enabled.
7284
7285 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7286
7287         PR tree-opt/21840
7288         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7289         if *rhs_p is not a SSA_NAME.
7290
7291 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
7292
7293         Fix PR tree-optimization/22422
7294         * tree-ssa-structalias.c (struct variable_info): Add flag for
7295         special vars.
7296         (get_varinfo): Now a static function.
7297         (new_varinfo): init has_union and is_special_var to false.
7298         (solution_set_add): Check has_union.
7299         (do_da_constraint): Move temporary variable so it gets reset
7300         properly.
7301         Also check for special variable.
7302         (do_ds_constraint): Ditto.
7303         (do_sd_constraint): Ditto.
7304         (do_structure_copy): Check for special variable.
7305         (find_func_aliases): Ditto.
7306         (init_base_vars): Set special vars properly.
7307
7308 2005-07-13  Jan Hubicka  <jh@suse.cz>
7309
7310         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7311         do unit-at-a-time.
7312
7313         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7314         (get_expr_operands): Fix thinko wrt flags and subvars.
7315
7316         PR tree-optimize/22379
7317         * tree-inline.c (expand_call_inline): Do not output sorry in early
7318         inlining.
7319
7320 2005-07-12  Dale Johannesen  <dalej@apple.com>
7321
7322         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
7323
7324 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7325
7326         PR bootstrap/21704
7327         * host-linux.h: Include limits.h.
7328
7329 2005-07-12  Dale Johannesen  <dalej@apple.com>
7330
7331         * expr.c (compress_float_constant):  Add cost check.
7332         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
7333
7334 2005-07-12  Dale Johannesen  <dalej@apple.com>
7335
7336         * gcc.target/i386/compress-float-sse.c:  New.
7337         * gcc.target/i386/compress-float-sse-pic.c:  New.
7338         * gcc.target/i386/compress-float-387.c:  New.
7339         * gcc.target/i386/compress-float-387-pic.c:  New.
7340         * gcc.dg/compress-float-ppc.c:  New.
7341         * gcc.dg/compress-float-ppc-pic.c:  New.
7342
7343 2005-07-12  Eric Christopher  <echristo@redhat.com>
7344
7345         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7346         static extra parts.
7347         * config/s390/s390.md: Include tpf.md. Move tpf specific
7348         patterns...
7349         * config/s390/tpf.md: To here.
7350         * config/s390/s390.opt: Move tpf specific options...
7351         * config/s390/tpf.opt: to here. Add mmain option.
7352         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7353         * config/s390/tpf.h: Rewrite.
7354
7355 2005-07-12  Eric Christopher  <echristo@redhat.com>
7356
7357         * gcc.c (struct infile): Update comment for language.
7358         (main): Rewrite input file resetting code.
7359
7360 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7361
7362         PR tree-opt/22335
7363         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7364         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
7365         (lookup_avail_expr): Use constant_boolean_node instead
7366         of boolean_false_node/boolean_true_node.
7367
7368 2005-07-12  Ben Elliston  <bje@au.ibm.com>
7369
7370         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7371         and use it when printing num_edges.
7372
7373 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7374
7375         * doc/extend.texi (Blackfin Built-in Functions): New section.
7376         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7377         @opindex.
7378
7379 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
7380
7381         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7382         s/cmpstrsi/cmpstrnsi
7383         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7384         'cmpstrnsi'.
7385         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7386         (init_optabs): Initialize cmpstrn_optab.
7387         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7388         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7389         * expr.c: (enum insn_code cmpstrn_optab): Declare.
7390         * config/i386/i386.md: s/cmpstr/cmpstrn
7391         * config/c4x/c4x.md: s/cmpstr/cmpstrn
7392         * doc/md.texi: Update documentation.
7393
7394 2005-07-11  Richard Henderson  <rth@redhat.com>
7395
7396         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7397         build_va_arg_indirect_ref.
7398         (alpha_gimplify_va_arg): Likewise.
7399         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7400         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7401         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7402         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7403         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7404         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7405         Likewise.
7406         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7407
7408 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7409
7410         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7411         * passes.c (init_optimization_passes): Add pass_empty_loop.
7412         * tree-pass.h (pass_empty_loop): Declare.
7413         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7414         try_remove_empty_loop, remove_empty_loops): New functions.
7415         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7416         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7417
7418 2005-07-12  Peter Barada  <peter@the-baradas.com>
7419
7420         PR middle-end/16719
7421         PR middle-end/18421
7422         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7423         in address registers.
7424         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7425         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7426         alternative of addsi3_5200.
7427
7428 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7429
7430         * config/mips/mips.md (ffs<mode>2): Remove.
7431
7432 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7433
7434         * doc/tree-ssa.texi (Cleanups): Improve description of
7435         TRY_FINALLY_EXPR.
7436         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7437
7438 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7439
7440         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7441         * tree.h (DECL_ARGUMENT_FLD): New macro.
7442
7443 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7444
7445         Fix PR tree-optimization/22404
7446
7447         * tree-ssa-structalias.c (create_variable_info_for): Use
7448         correct offset.
7449
7450 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7451
7452         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7453         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7454         for second comparison operand.
7455         * config/bfin/predicates.md (reg_or_const_int_operand): New.
7456
7457         * config/bfin/bfin.md (define_attr "type"): Add "sync".
7458         (define_insn_reservation "alu"): Likewise.
7459         (csync, ssync): Now of type sync.
7460         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7461         -mcsync-anomaly -mspecld-anomaly.
7462         * config/bfin/bfin.opt (mcsync): Remove.
7463         (mcsync-anomaly, mspecld-anomaly): Add.
7464         * config/bfin/bfin.c: Include "insn-codes.h".
7465         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7466         (TARGET_DEFAULT_TARGET_FLAGS): New.
7467         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7468
7469 2005-07-11  Steven Bosscher  <stevenb@suse.de>
7470
7471         * basic-block.h: Give the BB flags enum a name, bb_flags.
7472         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7473         * cfgcleanup.c (enum bb_flags): Remove here.
7474         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7475         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7476         (update_forwarder_flag): Likewise.
7477         (thread_jump): Likewise.
7478         (try_forward_edges): Likewise.
7479         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
7480         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
7481         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7482
7483 2005-07-11  Richard Guenther  <rguenther@suse.de>
7484
7485         * config/i386/i386.opt: New target option -msseregparm.
7486         * config/i386/i386.c (override_options): Error out for
7487         -msseregparm but no SSE support.
7488         (ix86_function_sseregparm): Check for global sseregparm.
7489         * doc/invoke.texi: Document -msseregparm.
7490
7491 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7492
7493         * config.gcc (m32r-*-linux*): Use the default extra_parts.
7494         (m32rle-*-linux*): Ditto.
7495
7496 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
7497
7498         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7499         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7500         bytes.
7501
7502 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7503
7504         PR middle-end/22239
7505         PR target/20126
7506         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7507         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7508
7509 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
7510
7511         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7512         (varmap): Heapify varmap.
7513         (constraints): Heapify constraints.
7514         (struct constraint_graph): Heapify succs and preds.
7515         (constraint_vec_find): Update for heapification.
7516         (constraint_set_union): Ditto.
7517         (insert_into_complex): Ditto.
7518         (constraint_edge_vec_find): Ditto.
7519         (erase_graph_self_edge): Ditto.
7520         (add_graph_edge): Ditto.
7521         (get_graph_weights): Ditto.
7522         (merge_graph_nodes): Ditto.
7523         (build_constraint_graph): Ditto.
7524         (topo_visit): Ditto.
7525         (solve_graph): Ditto.
7526         (create_variable_info_for): Ditto.
7527         (init_base_vars): Ditto.
7528         (delete_points_to_sets): Free graph, varmap, and complex constraints.
7529         (condese_varmap_nodes): Free complex vector.
7530         (clear_edges_for_node): Clear succs and preds vector.
7531
7532 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7533
7534         * tree-ssa-structalias.c (update_alias_info): Change counting of
7535         references to not include vdefs.
7536
7537 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7538
7539         * tree-ssa-alias.c (free_used_part_map): Add missing free.
7540         (up_insert): Ditto.
7541
7542 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7543
7544         * pa.c (pa_commutative_p): Make PLUS commutative when
7545         TARGET_NO_SPACE_REGS is true.
7546
7547 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7548
7549         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7550         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7551         * tree-dfa.c (dump_subvars_for): New.
7552         (debug_subvars_for): New.
7553         (dump_variable): Show subvariables if VAR has them.
7554         * tree-flow-inline.h (get_subvar_at): New.
7555         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7556         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7557         Update all users.
7558         (struct subvar): Change fields offset and size to unsigned
7559         HOST_WIDE_INT.
7560         (dump_subvars_for): Declare.
7561         (debug_subvars_for): Declare.
7562         (get_subvar_at): Declare.
7563         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7564         to unsigned HOST_WIDE_INT *.
7565         (overlap_subvar): Likewise.
7566         * tree-gimple.c (is_gimple_reg): Always return false for
7567         SFTs and memory tags.
7568         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7569         Update all callers.
7570         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7571         (compute_may_aliases): Call compute_points_to_sets.
7572         (collect_points_to_info_for): Remove.
7573         (compute_points_to_and_addr_escape): Remove.
7574         (delete_alias_info): Call delete_points_to_sets.
7575         (compute_flow_sensitive_aliasing): If the call to
7576         find_what_p_points_to returns false, call set_pt_anything.
7577         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7578         (set_pt_anything): Clear pi->pt_vars.
7579         (set_pt_malloc): Remove.
7580         (merge_pointed_to_info): Remove.
7581         (add_pointed_to_expr): Remove.
7582         (add_pointed_to_var): Remove.
7583         (collect_points_to_info_r): Remove.
7584         (is_escape_site): Make extern.
7585         (create_sft): New.
7586         (create_overlap_variables_for): Call it.
7587         * tree-ssa-copy.c (merge_alias_info): Never merge
7588         flow-sensitive alias information.
7589         * tree-ssa-operands.c (get_expr_operands): Adjust variables
7590         offset and size to be unsigned HOST_WIDE_INT.
7591         (add_to_addressable_set): Rename from note_addressable.
7592         Set TREE_ADDRESSABLE as the variables are added to the set.
7593         Update all users.
7594         (add_stmt_operand): Do not try to micro-optimize unmodifiable
7595         operands into VUSEs when adding V_MAY_DEFs for members in an
7596         alias set.
7597         * tree-ssa-operands.h (add_to_addressable_set): Declare.
7598         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7599         (struct variable_info): Add bitfield is_heap_var.
7600         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7601         (new_var_info): Initialize is_heap_var.
7602         (get_constraint_for): Add HEAP variables to the symbol table.
7603         Mark them with is_heap_var.
7604         (update_alias_info): New.  Taken mostly from the old
7605         compute_points_to_and_addr_escape.
7606         (handle_ptr_arith): New.
7607         (find_func_aliases): Call update_alias_info.
7608         Call handle_ptr_info for tcc_binary expressions.
7609         Call mark_stmt_modified.
7610         (create_variable_info_for): If DECL has subvars, do not create
7611         variables for its subvars.  Always add all the fields.
7612         (set_uids_in_ptset): If the solution includes ANYOFFSET and
7613         SFTs, then add all the SFTs of the structure.
7614         If VI->DECL is an aggregate with subvariables, add the SFT at
7615         VI->OFFSET.
7616         (find_what_p_points_to): If VI is an artificial variable,
7617         translate to bitfields in SSA_NAME_PTR_INFO.
7618         If the solution is empty, set pi->pt_vars to NULL
7619         (init_base_vars): Create ANYOFFSET.
7620         (compute_points_to_sets): Rename from create_alias_vars.
7621         Make extern.
7622         (pass_build_pta): Remove.
7623         (delete_points_to_sets): Rename from delete_alias_vars.
7624         (pass_del_pta): Remove.
7625         * tree-ssa-structalias.h (struct alias_info): Move from
7626         tree-ssa-alias.h.
7627         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7628         NUM_REFERENCES_SET): Likewise.
7629         (compute_points_to_sets, delete_points_to_sets): Declare.
7630
7631 2005-07-09  Richard Henderson  <rth@redhat.com>
7632
7633         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7634         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7635         alpha_split_lock_test_and_set_12): New functions.
7636         * config/alpha/alpha-protos.h: Update.
7637         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7638         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7639         * config/alpha/sync.md (I12MODE): New.
7640         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7641         (sync_<fetchop_name><I48MODE>): Likewise.
7642         (sync_nand<I48MODE>): Likewise.
7643         (sync_old_<fetchop_name><I48MODE>): Likewise.
7644         (sync_new_<fetchop_name><I48MODE>): Likewise.
7645         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7646         (sync_compare_and_swap<I48MODE>): Likewise.
7647         (sync_lock_test_and_set<I48MODE>): Likewise.
7648         (sync_compare_and_swap<I12MODE>): New.
7649         (sync_compare_and_swap<I12MODE>_1): New.
7650         (sync_lock_test_and_set<I12MODE>): New.
7651         (sync_lock_test_and_set<I12MODE>_1): New.
7652
7653 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7654
7655         PR 21356
7656         PR 22332
7657         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7658
7659 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
7660
7661         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7662         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7663
7664 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
7665
7666         PR target/21656
7667         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7668
7669 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
7670
7671         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7672         memory_operand constraint.
7673         (store_conditional_<mode>): Same.
7674         (sync_compare_and_swap<mode>): Same.
7675         (sync_lock_test_and_set<mode>): Same.
7676
7677 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
7678
7679         Rewrite PIC support to more closely model actual instructions.
7680         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7681         (cris_symbol): Remove prototypes for removed functions.
7682         (cris_pic_symbol_type_of, cris_valid_pic_const)
7683         (cris_expand_pic_call_address): Prototypes for new functions.
7684         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7685         variable.
7686         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7687         modifiers.
7688         <case ':'>: Add case for new punctuation character.
7689         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7690         emitting (extra) PIC modifier.
7691         <case UNSPEC>: Do not assert for PLT.
7692         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7693         (cris_expand_prologue, cris_expand_epilogue): Check
7694         for pic_offset_table_rtx usage instead of taking
7695         current_function_uses_pic_offset_table as the final word.
7696         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7697         Remove flag_pic difference.
7698         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7699         the moral equivalents of...
7700         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7701         functions.
7702         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7703         (cris_handle_option): Mark ARG as unused.
7704         (cris_expand_pic_call_address): New worker function for "call",
7705         "call_value".
7706         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7707         output PIC constructs here.
7708         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7709         as symbol-specific modifers, not whole or part of operands.
7710         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7711         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7712         constants and flag_pic.
7713         (CONSTANT_INDEX_P): Adjust for new functions.
7714         (enum cris_pic_symbol_type): New helper type.
7715         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7716         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7717         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7718         define_constants.
7719         ("movsi"): Emit actual instructions for GOT and relative access.
7720         ("*movsi_got_load"): New pattern to set up the register holding
7721         the GOT pointer.
7722         ("*movsi_internal"): Operand 1 is not a plain general_operand.
7723         Adjust FIXME for 'S'.
7724         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7725         Use "movs" for -fpic cases.
7726         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7727         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7728         ("call", "call_value"): Just call cris_expand_pic_call_address for
7729         PIC addresses.
7730         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7731         Remove special pattern.
7732         ("*expanded_call_side", "*expanded_call_value_side"): New
7733         patterns.
7734         (gotplt-to-plt, gotplt-to-plt-side-call)
7735         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7736         peephole2:s.
7737         * config/cris/cris/predicates.md
7738         ("cris_general_operand_or_gotless_symbol"): Remove unused
7739         predicate.
7740         ("cris_general_operand_or_symbol"): Adjust for new functions.
7741
7742 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7743
7744         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7745
7746 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
7747
7748         * Makefile.in (TREE_H): Add treestruct.def.
7749         (c-decl.o): Add pointer-set.h
7750         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7751         visibility on regular DECL's.
7752         (merge_decls): Fix the copying of decl nodes of various types for
7753         the new structures.  Don't update RTL, section name, weak status,
7754         etc, on DECL's without RTL.
7755         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7756         Don't check volatile on non-variable types.
7757         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7758         to check whether we have seen arguments.
7759         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7760         flag is checked before field (flag is common, field is not).
7761         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
7762         TS_DECL_COMMON could have an origin.
7763         (add_location_or_const_value_attribute): Don't check section name
7764         on non-var/function decls.
7765         (dwarf2out_var_location): Reverse order of tests.
7766         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7767         with DECL_WRTL_CHECK.
7768         * expmed.c (make_tree): rtl is now in decl_with_rtl.
7769         * fold-const.c (fold_binary): Don't check weakness on
7770         non-var/function decls.
7771         (tree_expr_nonzero_p): Ditto.
7772         (fold_checksum_tree): Use tree_decl_extra as sizeof
7773         buffer.
7774         * ggc-page.c (extra_order_size_table): Add sizes for
7775         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
7776         tree_field_decl.
7777         * gimplify.c (gimplify_bind_expr): Only set
7778         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7779         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7780         without RTL.
7781         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7782         * langhooks.h (init_ts). New langhook.
7783         * passes.c (rest_of_decl_compilation): Reverse order of tests.
7784         * print-tree.c (print_node): Update to only print fields that
7785         exist in the structures the passed decl has.
7786         * toplev.c (wrapup_global_declarations): Don't reset
7787         DECL_DEFER_OUTPUT on DECL's that don't contain it.
7788         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7789         * tree-inline.c (remap_decl): Ditto.
7790         * tree-outof-ssa.c (create_temp): Reverse order of tests.
7791         * tree-pretty-print.c (print_declaration): Don't print
7792         DECL_REGISTER on things that don't contain it.
7793         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7794         non-var/function decls.
7795         * tree.c (tree_contains_struct): New structure.
7796         (init_priority_for_decl): New hashtable.
7797         (tree_int_map): New structure.
7798         (tree_int_map_eq): New function.
7799         (tree_int_map_marked_p): Ditto.
7800         (tree_int_map_hash): Ditto.
7801         (tree_map): Move to tree.h.
7802         (tree_map_eq): Externalize.
7803         (tree_map_hash): Ditto.
7804         (tree_map_marked_p): Ditto.
7805         (init_ttree): Set up tree_contains_struct and call langhook.
7806         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7807         (tree_code_size): Update for new structures.
7808         (tree_node_structure): Update for new structures.
7809         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7810         without the field.
7811         (copy_node_stat):  Copy init priority.
7812         (build_decl_stat): Ditto for visibility.
7813         (ts_enum_names): New.
7814         (tree_contains_struct_check_failed): New function.
7815         (decl_init_priority_lookup): Ditto.
7816         (decl_init_priority_insert): Ditto.
7817         * treestruct.def: New file.
7818         * tree.h (CODE_CONTAINS_STRUCT): New macro.
7819         (CONTAINS_STRUCT_CHECK): Ditto.
7820         (tree_contains_struct_check_failed): New prototype.
7821         (DECL_CHECK): Removed.
7822         (DECL_MINIMAL_CHECK): New.
7823         (DECL_COMMON_CHECK): Ditto.
7824         (DECL_WRTL_CHECK): Ditto.
7825         (DECL_NON_COMMON_CHECK): Ditto.
7826         (DECL_WITH_VIS_CHECK): Ditto.
7827         (VAR_OR_FUNCTION_DECL_P): Ditto
7828         (struct tree_decl_minimal): New structure.
7829         (struct tree_decl_common): Ditto.
7830         (struct tree_decl_with_rtl): Ditto.
7831         (struct tree_decl_with_vis): Ditto.
7832         (struct tree_decl_non_common): Ditto.
7833         (struct tree_field_decl): Ditto.
7834         (struct tree_parm_decl): Ditto.
7835         (struct tree_var_decl): Ditto.
7836         (struct tree_function_decl): Ditto.
7837         (struct tree_const_decl): Ditto.
7838         (struct tree_result_decl): Ditto.
7839         (union tree_node): Add new structures.
7840         * var-tracking.c (track_expr_p): Reverse order of tests.
7841
7842         * doc/c-tree.texi: Add documentation on DECL node internal structure.
7843
7844 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7845
7846         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7847         * system.h: Poison FINALIZE_PIC.
7848         * doc/tm.texi (FINALIZE_PIC): Remove.
7849
7850 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7851
7852         PR tree-opt/22329
7853         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7854         to the correct type if we have a MODIFY_EXPR.
7855
7856 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7857
7858         PR tree-optimization/22360
7859         * tree.c (upper_bound_in_type): Fix calculations for casting
7860         to a non-wider signed type and casting a signed value to a
7861         wider unsigned type.
7862         (lower_bound_in_type): Fix calculations for casting to a
7863         non-wider signed type.
7864
7865         PR tree-optimization/20139
7866         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7867         release_defs.
7868         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7869         fold_cond_expr_cond.
7870         * tree-ssanames.c (release_defs): Assert in_ssa_p.
7871         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7872
7873 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7874
7875         PR tree-opt/22356
7876         * tree-complex.c (expand_complex_libcall): Produce
7877         REALPART_EXPR/IMAGPART_EXPR with the correct type.
7878
7879 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
7880
7881         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7882         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7883         b" assert and inserted fastpath code for this case.
7884         (bitmap_ior): Removed "a != b" assert.
7885
7886 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7887
7888         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7889         (ENDFILE_SPEC): Likewise.
7890         * config/m32r/m32r.h (ASM_SPEC): Likewise.
7891
7892         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7893         a large stack frame at epilogue.
7894
7895 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
7896
7897         * final.c: Include sdbout.h when required.
7898
7899 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
7900
7901         * config.gcc (*-*-darwin*): Only one target-specific header file
7902         for generic darwin.
7903         (powerpc-*-darwin*): Add version-specific header files.
7904         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7905         * config.in: Regenerate.
7906         * configure: Regenerate.
7907         * gcc.c: Include xregex.h.
7908         (version_compare_spec_function): New.
7909         (spec_function): Add version-compare.
7910         (replace_outfile_spec_function): Reformat comment.
7911         (compare_version_strings): New.
7912         * config/darwin-c.c (version_as_macro): New.
7913         (builtin_define): New.
7914         (darwin_cpp_builtins): New.
7915         * config/darwin-protos.h (darwin_cpp_builtins): New.
7916         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7917         (LIB_SPEC): Make unconditional, update comment.
7918         (TARGET_C99_FUNCTIONS): Define.
7919         * config/darwin.opt: Sort.
7920         (mmacosx-version-min=): New.
7921         * config/darwin7.h: Delete.
7922         * config/darwin8.h: Delete.
7923         * config/i386/darwin.h (): Call darwin_cpp_builtins.
7924         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7925         (TARGET_C99_FUNCTIONS): Define.
7926         * config/rs6000/darwin7.h: New.
7927         * config/rs6000/darwin8.h: New.
7928         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7929         (-mmacosx-version-min): Document.
7930
7931 2005-07-07  Ian Lance Taylor  <ian@airs.com>
7932
7933         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7934
7935 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
7936
7937         PR middle-end/22239
7938         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7939
7940 2005-07-07  Khem Raj  <kraj@mvista.com>
7941
7942         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7943         in bytes, not words.
7944
7945 2005-07-07  Paul Brook  <paul@codesourcery.com>
7946
7947         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7948         DEFAULT_FUNCTION_ARG_PADDING to upward.
7949
7950 2005-07-07  Richard Henderson  <rth@redhat.com>
7951
7952         * function.c (locate_and_pad_parm): Record parameter alignment in
7953         stack_alignment_needed.
7954
7955 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
7956
7957         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7958         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7959         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7960         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7961         (define_attr "type"): Add isync, sync, load_l, store_c.
7962         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7963         Create scratch volatile MEM.
7964         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
7965         sync.
7966         (load_locked_<mode>): New.
7967         (store_conditional_<mode>): New.
7968         (sync_compare_and_swap<mode>): Replace with splitter.
7969         (sync_lock_test_and_set<mode>): Replace with splitter.
7970         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7971         and UNSPECV_ISYNC.
7972         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
7973         is ics.  Attribute isync.
7974         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
7975         lwsync.
7976         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7977         and UNSPECV_SYNC_OP.
7978         (emit_unlikely_jump): New.
7979         (emit_load_locked): New.
7980         (emit_store_conditional): New.
7981         (rs6000_split_compare_and_swap): New.
7982         (rs6000_split_lock_test_and_set): New.
7983         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7984         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7985         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7986         rs6000_split_lock_test_and_set): Declare.
7987         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7988         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7989         store_c, isync, sync.
7990
7991 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
7992
7993         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7994         filenames to gtyp-gen.h.
7995         (s-typ-gen): Use it in place of for loops.
7996
7997 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
7998
7999         * hooks.c (hook_bool_rtx_int_false): New function.
8000         * hooks.h (hook_bool_rtx_int_false): Declare.
8001         * target-def.h (TARGET_COMMUTATIVE_P): Define.
8002         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8003         * target.h (struct gcc_target): Add commutative_p member.
8004         * targhooks.c (hook_bool_rtx_commutative_p): New function.
8005         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8006         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8007         (pa_commutative_p): New function.
8008         * jump.c (target.h): Include.
8009         (rtx_renumbered_equal_p): Use targetm.commutative_p.
8010         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8011
8012 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8013
8014         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8015         (s390_expand_setmem): New.
8016         * config/s390/s390.c: Likewise.
8017         (print_shift_count_operand): Truncate to 12 bits instead of 6.
8018         Adapt comments.
8019         * config/s390/s390.md: ("setmem<mode>"): Accept character as
8020         general_operand.  Call new function "s390_expand_setmem".
8021         ("clrmem_long", "*clrmem_long"): Rewrite to ...
8022         ("setmem_long", "*setmem_long"): ... this.
8023
8024 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8025
8026         * config/s390/s390.c: (optimization_options): Enable
8027         TARGET_MVCLE at -Os.
8028         * doc/invoke.texi: Document changes in default behaviour.
8029         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8030
8031 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8032
8033         * expr.c: (set_storage_via_setmem): Convert opchar to mode
8034         defined by back-end.
8035
8036 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
8037
8038         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8039         all sets in the pattern.
8040         * config/rs6000/rs6000.md (stack_protect_testsi,
8041         stack_protect_testdi): Likewise.
8042
8043 2005-07-06  Jeff Law  <law@redhat.com>
8044
8045         * tree-vrp.c (simplify_using_ranges): Kill.
8046         (vrp_finalize): Remove call to simplify_using_ranges.
8047         (simplify_stmt_using_ranges): New function extracted from
8048         simplify_using_ranges.
8049         (simplify_div_or_mod_using_ranges): Likewise.
8050         (simplify_abs_using_ranges): Likewise.
8051         (simplify_cond_using_ranges): New function.
8052         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8053         * tree-ssa-propagate.c (substitute_and_fold): Call
8054         simplify_stmt_using_ranges if we have range information.
8055
8056 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
8057
8058         * config/ia64/ia64.c (ia64_reorg): Check optimize before
8059         ia64_flag_schedule_isns2.
8060
8061         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8062         reading/writing general registers.
8063         (ia64_function_arg): Revert 2005-06-18 change.
8064
8065 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8066
8067         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8068         (legitimize_tls_address): Use gcc_unreachable instead of abort.
8069
8070 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
8071
8072         * function.c (expand_function_end): Revert part of 2005-06-27
8073         patch.  Do sjlj_emit_function_exit_after after return_label.
8074
8075 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8076
8077         * doc/install.texi (--disable-libssp): New.
8078
8079 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
8080
8081         * doc/invoke.texi: Update -fforce-mem documentation.
8082         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8083         code for -fforce-mem.
8084         * expmed.c: (store_bit_field,store_fixed_bit_field,
8085         extract_bit_field): Ditto.
8086         * expr.c: (convert_move): Ditto.
8087         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8088         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8089         emit_conditional_add,expand_float,expand_fix): Ditto.
8090         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8091         (common_handle_option): Issue warning when -fforce-mem specified.
8092
8093 2005-07-06  Paul Brook  <paul@codesourcery.com>
8094
8095         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8096         argument is empty.
8097         * configure: Regenerate.
8098
8099 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
8100
8101         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8102
8103 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
8104
8105         Fix PR tree-optimization/22319
8106         Fix PR tree-optimization/22140
8107         Fix PR tree-optimization/22310
8108
8109         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8110         variable sized types.
8111         Use correct type for intermediate structure on *a = *b structure
8112         copies.
8113
8114 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8115
8116         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8117         Remove.
8118         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8119         (machine_function): Move typedef to...
8120         * config/rs6000/rs6000.c (machine_function): ... here.  Add
8121         varargs_save_offset field.
8122         (rs6000_stack_t): Remove varargs_size field.
8123         (setup_incoming_varargs): Allocate varargs save area using
8124         assign_stack_local, try to make it as small as possible.
8125         Save offset from virtual_stack_vars_rtx to the save area
8126         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
8127         instead of magic 8 when fp word byte size is used.
8128         (rs6000_va_start): Use cfun->machine->varargs_save_offset
8129         instead of -RS6000_VARARGS_SIZE.
8130         (rs6000_stack_info, debug_stack_info,
8131         rs6000_initial_elimination_offset): Remove all traces of
8132         varargs_size.
8133         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8134         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8135         RS6000_VARARGS_AREA.
8136
8137 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
8138
8139         PR tree-optimization/21963
8140         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8141         constant_multiple_of in the same way get_computation_cost_at does.
8142
8143 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8144
8145         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8146         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8147         (gen_compare_reg): If sparc_compare_emitted is set, clear it
8148         and return its previous value.
8149         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8150         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8151         constants.
8152         (stack_protect_set, stack_protect_test): New expanders.
8153         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8154         stack_protect_testdi): New insns.
8155         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8156         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8157
8158 2005-07-06  Jeff Law  <law@redhat.com>
8159
8160         * tree-ssa-dce.c (cfg_altered): New global.
8161         (tree_dce_init): Initialize cfg_altered.
8162         (remove_dead_stmt): If we remove an edge in the CFG, then set
8163         CFG_ALTERED.
8164         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8165         the dominators.
8166
8167 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8168
8169         * Makefile.in (stamp-collect-ld): Use
8170         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
8171         ./collect-ld if it already exists.
8172         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8173         Don't remove ./nm if it already exists.
8174
8175 2005-07-05  Devang Patel  <dpatel@apple.com>
8176
8177         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8178         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8179         * tree-vectorizer.c (vect_loop_location): New.
8180         (vect_print_dump_info): Use vect_loop_location.
8181         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8182         (vectorize_loops): Set vect_loop_location.
8183         * tree-vect-analyze.c (vect_analyze_offset_expr,
8184         vect_determin_vectorization_factor, vect_analyze_operations,
8185         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8186         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8187         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8188         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8189         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8190         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8191         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8192         vect_analyze_loop): Adjust vect_print_dump_info API.
8193         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8194         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8195         vect_finish_stmt_generation, vectorizable_assignment,
8196         vectorizable_operation, vectorizable_store, vectorizable_load,
8197         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8198         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8199         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8200         vect_transform_loop): Same.
8201         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8202         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8203         Same.
8204
8205 2005-07-05  Randolph Chung  <tausq@debian.org>
8206
8207         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8208         * configure: Regenerate.
8209         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8210         (pa_tls_referenced_p): Declare.
8211         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8212         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8213         (legitimize_tls_address): New.
8214         (hppa_legitimize_address): Handle TLS addresses.
8215         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8216         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8217         (emit_move_sequence): Handle TLS addresses.
8218         (pa_encode_section_info): Call default handler to handle common
8219         sections.
8220         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8221         (CONSTANT_ADDRESS_P): Reject TLS operands.
8222         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8223         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8224         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8225         (UNSPEC_TLSLE): Define new constants.
8226         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8227         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8228         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8229         (tie_symbolic_operand, tle_symbolic_operand): New
8230
8231 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
8232
8233         * aclocal.m4: Update macros for autoconf 2.59 style.
8234         * configure.ac: Likewise.
8235
8236 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8237
8238         * pa.c (function_value): Handle small aggregates on 32-bit targets.
8239         (function_arg): Pass small aggregates in general registers on 32-bit
8240         targets.
8241         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8242
8243 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
8244
8245         * Makefile.in (final.o): Fix dependencies.
8246
8247 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8248
8249         PR c/22013
8250         PR c/22098
8251         * langhooks.h (struct lang_hooks): Add expr_to_decl.
8252         * langhooks.c (lhd_expr_to_decl): New.
8253         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8254         New.
8255         (LANG_HOOKS_INITIALIZER): Update.
8256         * tree.c (recompute_tree_invarant_for_addr_expr): Call
8257         expr_to_decl langhook.
8258         * c-tree.h (c_expr_to_decl): Declare.
8259         * c-typeck.c (c_expr_to_decl): New.
8260         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8261         specially.
8262         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8263
8264 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8265
8266         PR c/22308
8267         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8268         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8269
8270 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
8271
8272         * Makefile.in: Adjust dependencies.
8273         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8274         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8275         * alias.c (rest_of_handle_cfg, pass_cfg): New.
8276         * bb-reorder.c (duplicate_computed_gotos): Make it static.
8277         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8278         rest_of_compilation.
8279
8280         * bb-reorder.c (gate_duplicate_computed_gotos,
8281         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8282         rest_of_handle_reorder_blocks, pass_reorder_blocks,
8283         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8284         pass_partition_blocks): New.
8285         * bt-load.c (gate_handle_branch_target_load_optimize,
8286         rest_of_handle_branch_target_load_optimize,
8287         pass_branch_target_load_optimize): New.
8288         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8289         pass_jump2): New.
8290         * cfglayout.c (pass_insn_locators_initialize): New.
8291         * cfgrtl.c (pass_free_cfg): New.
8292         * combine.c (gate_handle_combine, rest_of_handle_combine,
8293         pass_combine): New.
8294         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8295         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8296         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8297         * except.c (pass_set_nothrow_function_flags,
8298         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8299         pass_rtl_eh): New.
8300         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8301         rest_of_handle_shorten_branches, pass_shorten_branches,
8302         rest_of_clean_state, pass_clean_state): New.
8303         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8304         rest_of_handle_remove_death_notes, pass_remove_death_notes,
8305         rest_of_handle_life, pass_life, rest_of_handle_flow2,
8306         pass_flow2): New.
8307         * function.c (pass_instantiate_virtual_regs, pass_init_function,
8308         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8309         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8310         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8311         pass_gcse): New.
8312         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8313         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8314         pass_rtl_ifcvt, gate_handle_if_after_combine,
8315         rest_of_handle_if_after_combine, pass_if_after_combine,
8316         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8317         pass_if_after_reload): New.
8318         * integrate.c (pass_initial_value_sets): New.
8319         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8320         pass_purge_lineno_notes): New.
8321         * mode-switching.c (rest_of_handle_mode_switching,
8322         pass_mode_switching): New.
8323         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8324         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8325         pass_loop2): New.
8326         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8327         pass_loop_optimize): New.
8328         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8329         pass_sms): New.
8330         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8331         pass_gcse2): New.
8332         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8333         pass_postreload_cse): New.
8334         * profile.c (gate_handle_profiling, pass_profiling,
8335         rest_of_handle_branch_prob, pass_branch_prob): New.
8336         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8337         pass_split_before_regstack, gate_handle_split_before_regstack,
8338         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8339         rest_of_handle_split_all_insns, pass_split_all_insns): New.
8340         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8341         pass_stack_regs): New.
8342         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8343         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8344         pass_stack_adjustments): New.
8345         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8346         pass_regrename): New.
8347         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8348         pass_delay_slots, gate_handle_machine_reorg,
8349         rest_of_handle_machine_reorg, pass_machine_reorg): New.
8350         * rtl.h (extern void purge_line_number_notes): New.
8351         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8352         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8353         pass_sched2): New.
8354         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8355         pass_tracer): New.
8356         * value-prof.c (gate_handle_value_profile_transformations,
8357         rest_of_handle_value_profile_transformations,
8358         pass_value_profile_transformations): New.
8359         * var-tracking.c (gate_handle_var_tracking,
8360         pass_variable_tracking): New.
8361         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8362
8363         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8364         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8365         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8366         rest_of_handle_old_regalloc, rest_of_handle_regrename,
8367         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8368         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8369         rest_of_handle_gcse2, rest_of_handle_regmove,
8370         rest_of_handle_tracer, rest_of_handle_if_conversion,
8371         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8372         rest_of_handle_web, rest_of_handle_branch_prob,
8373         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8374         rest_of_handle_jump_bypass, rest_of_handle_combine,
8375         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8376         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8377         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8378         rest_of_handle_mode_switching, rest_of_handle_jump,
8379         rest_of_handle_eh, rest_of_handle_stack_adjustments,
8380         rest_of_handle_flow2, rest_of_handle_jump2,
8381         rest_of_handle_peephole2, rest_of_handle_postreload,
8382         rest_of_handle_shorten_branches, rest_of_clean_state,
8383         rest_of_compilation): Remove.
8384
8385         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8386         * passes.c (dump_flags, in_gimple_form, all_passes,
8387         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8388         register_dump_files, next_pass_1, last_verified, execute_todo,
8389         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8390         from tree-optimize.c.
8391         (init_optimization_passes): Moved from tree-optimize.c,
8392         adding the RTL optimizations.
8393         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8394         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8395         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8396         register_dump_files, next_pass_1, last_verified, execute_todo,
8397         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8398         init_tree_optimization_passes, ipa_passes): Delete.
8399         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8400         the RTL dumps.
8401         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8402         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8403         from tree.h.
8404         (ipa_passes): Remove.
8405         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8406         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8407         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8408         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8409         (dump_info_p, dump_flag): Moved to tree-dump.h.
8410
8411         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8412         cgraph.c, opts.c.
8413         * passes.c (finish_optimization_passes): Use dump_begin
8414         and dump_end, TDI_end.
8415         (gate_rest_of_compilation): New.
8416         (pass_rest_of_compilation): Use it.
8417         (gate_postreload, pass_postreload): New.
8418         * toplev.c (general_init): Rename init_tree_optimization_passes.
8419         * toplev.h (init_tree_optimization_passes): Rename to
8420         init_optimizations_passes.
8421         * tree-dump.c (dump_flag): Make static.
8422         (dump_files): Remove RTL dumps.
8423         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8424         pass_cleanup_cfg, pass_free_cfg_annotations,
8425         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8426         pass_init_datastructures, pass_fixup_cfg): Make non-static.
8427         * tree-pretty-print.c: Include tree-pass.h.
8428         * cgraph.c: Include tree-dump.h.
8429
8430 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8431
8432         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8433         Only fall back to saying it points to readonly memory if
8434         we can't do better.
8435
8436 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8437
8438         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8439         * config/m32r/m32r.c (m32r_compute_frame_size,
8440         m32r_expand_prologue): Take current_function_profile into
8441         account whenever we reference
8442         current_function_uses_pic_offset_table.
8443         (m32r_finalize_pic): Remove.
8444         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8445
8446 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
8447
8448         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8449         instead of $<.  Don't remove ./as if it already exists.
8450
8451 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8452
8453         PR target/21723
8454         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8455         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8456         for complex modes when generating code for PA 1.0.
8457         (VALID_FP_MODE_P): New macro.
8458         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8459         sets for all general and floating point modes.  Align wide floating
8460         point modes to even register boundaries to comply with architectural
8461         requirements.
8462         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8463         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8464         (VALID_FP_MODE_P): New macro.
8465         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8466         sets for all general and floating point modes.  Align wide floating
8467         point modes to even register boundaries to comply with architectural
8468         requirements.
8469
8470 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8471
8472         * tree-dump.c (dump_files): Initialize dump number for .cgraph
8473         to 0.
8474
8475 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8476
8477         * tree-ssa-structalias.c: Don't include expr.h.
8478
8479 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8480
8481         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8482         comments.
8483
8484 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8485
8486         Fix PR tree-optimization/22279
8487
8488         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8489         correct operator.
8490
8491 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
8492
8493         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8494
8495 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8496
8497         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8498         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8499         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8500         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8501         config/stormy16/stormy16.c, config/v850/v850.c,
8502         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8503         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8504         Avoid "." or "\n" at end of diagnostics and capital letters at
8505         start of diagnostics.
8506         * combine.c, cse.c: Don't translate dump file output.
8507         * toplev.c (print_version): Only translate output if going to
8508         stderr.
8509
8510 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8511
8512         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8513         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8514         typos.
8515
8516 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8517
8518         * pa.c (fix_range): Fix typo in comment.
8519
8520 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8521
8522         * tree-vrp.c (extract_range_from_assert): Replace
8523         fold (build (...)) with fold_build2.
8524
8525 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8526
8527         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8528         gcc_gfc_char_table, init_dynamic_gfc_info): New.
8529         (format_types_orig, handle_format_attribute): Add support for
8530         format "gcc_gfc".
8531
8532 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8533
8534         * varasm.c (assemble_variable): Fix format specifier thinko.
8535
8536 2005-07-03  Ira Rosen  <irar@il.ibm.com>
8537
8538         PR tree-optimization/22029 (and 22135)
8539         * tree-pretty-print.c (dump_generic_node): Check that the node is not
8540         a phi node before calling dump_vops.
8541
8542 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8543
8544         * tree-dump.h (dump_string_field): Declare.
8545         * tree-dump.c: Use it instead of dump_string.
8546         (dump_string_field): Make non-static.
8547
8548 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8549
8550         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8551         up the minimal CFG stuff always when optimize > 0.  Call
8552         split_all_insns_noflow in PIC case if needed.
8553
8554 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8555             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8556
8557         PR c++/18279
8558         * c-decl.c (c_write_global_declarations): Dump contents of
8559         external scope to.
8560         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8561         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8562         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8563         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8564         is enabled.
8565
8566 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8567
8568         * c-common.h (GCC_DIAG_STYLE): Define.
8569         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
8570         version for format checking to 4.1.
8571         * c-format.c: Include toplev.h after c-common.h.
8572         (enum format_type): Add gcc_tdiag_format_type.
8573         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8574         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8575         (format_types_orig): Add gcc_tdiag.
8576         (init_dynamic_diag_info): Support gcc_tdiag formats.
8577         (handle_format_attribute): Likewise.
8578         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8579         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
8580         version for format checking to 4.1.
8581         (warning0, warning, error, pedwarn, sorry): Use
8582         ATTRIBUTE_GCC_DIAG.
8583         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8584         (finish_aliases_1): Do not use %qE.
8585         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8586         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8587         Correct format bugs.
8588         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8589         parameter to unsigned HOST_WIDE_INT.
8590         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8591
8592 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
8593
8594         PR middle-end/21742
8595         * expr.c (write_complex_part): Use adjust_address for MEM.
8596         (read_complex_part): Same.
8597
8598 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
8599
8600         Fix PR tree-optimization/22280
8601
8602         * tree-sra.c (generate_element_init): Remove useless loop.
8603
8604 2005-07-02  Richard Henderson  <rth@redhat.com>
8605
8606         * config/alpha/alpha.c (alpha_legitimize_address): Check for
8607         TLS_MODEL_NONE.
8608         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8609
8610 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
8611
8612         PR middle-end/14490
8613         * fold-const.c (fold_binary): Handle the return value of
8614         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8615         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8616
8617 2005-07-02  Jeff Law  <law@redhat.com>
8618
8619         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8620         a eliminate type conversion which feeds an equality comparison
8621         if the original type or either operand in the comparison is a
8622         function pointer.
8623
8624 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
8625
8626         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8627         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8628         texts.
8629         * config/avr/avr.c: Do not use '`' as left quote.
8630         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8631         Remove "." from end of diagnostics.  Make diagnostics start with
8632         lowercase letter.
8633
8634 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
8635             Joseph S. Myers  <joseph@codesourcery.com>
8636
8637         * toplev.c (default_tree_printer): Handle setting location with
8638         '+' flag.
8639         * c-objc.common.c (c_tree_printer): Likewise.
8640         * c-format.c (gcc_diag_flag_specs): Add '+'.
8641         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8642         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8643         formats.
8644         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8645         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8646         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8647         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8648         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8649         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
8650         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
8651         format arguments where %J is used without %D.
8652
8653 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
8654
8655         * gcc.c (LINK_SSP_SPEC): Define.
8656         (link_ssp_spec): New variable.
8657         (LINK_COMMAND_SPEC): Add %(link_ssp).
8658         (static_specs): Add link_ssp_spec.
8659         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8660         * configure: Rebuilt.
8661         * config.in: Rebuilt.
8662
8663         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8664         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8665         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8666         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8667         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8668         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8669         -0x7008(2) instead of reading __stack_chk_guard variable.
8670         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8671         number.
8672         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8673         (stack_protect_set, stack_protect_test): Use *_tls* patterns
8674         if TARGET_THREAD_SSP_OFFSET is defined.
8675         (stack_tls_protect_set_si, stack_tls_protect_set_di,
8676         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8677
8678         Revert:
8679         2005-06-27  Richard Henderson  <rth@redhat.com>
8680         * libgcc-std.ver (GCC_4.1.0): New.
8681         * libgcc.h (__stack_chk_guard): Declare.
8682         (__stack_chk_fail, __stack_chk_fail_local): Declare.
8683         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8684         * mklibgcc.in (lib2funcs): Add them.
8685
8686 2005-07-01  Richard Henderson  <rth@redhat.com>
8687
8688         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8689         void * before struct sigcontext *.
8690         (x86_fallback_frame_state): Likewise.
8691
8692 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
8693
8694         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8695
8696 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8697
8698         PR tree-opt/22269
8699         * tree-ssa-reassoc.c (should_transpose): Fix which operand
8700         we check for SSA_NAME for.
8701
8702 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
8703
8704         Fix PR tree-optimization/22071
8705
8706         * tree-ssa-structalias.c (offset_overlaps_with_access): New
8707         function.
8708         (get_constraint_for_component_ref): Use it.
8709
8710 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8711
8712         PR other/22264
8713         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8714         print out the last new line.
8715
8716 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
8717
8718         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8719         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8720         * config/cris/cris.c (cris_conditional_register_usage): Adjust
8721         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8722         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8723         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8724         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8725         (enum reg_class): New member CC0_REGS.
8726         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8727         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8728         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8729         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8730         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8731         Adjust for register now described.
8732
8733 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
8734
8735         PR target/22262
8736         * config/i386/i386.md (stack_protect_test_si,
8737         stack_protect_test_di): Add earlyclobber for scratch 3.
8738         * config/rs6000/rs6000.md (stack_protect_testsi,
8739         stack_protect_testdi): Add earlyclobber for scratch 3,
8740         remove earlyclobber from scratch 4.
8741
8742 Older entries for 2005 can be found in ChangeLog-2005.