OSDN Git Service

2005-11-12 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-11-12  Richard Guenther  <rguenther@suse.de>
2
3         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4
5 2005-11-12  Jan Hubicka  <jh@suse.cz>
6
7         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
8         to compare against 0 when possible.
9
10 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
11
12         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
13         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
14         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
15         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
16         in the new order.
17
18 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
19
20         * recog.c (constrain_operands) <case 'g'>: For a match, require
21         that a non-register matches general_operand when strict >= 0.
22
23 2005-11-11  Steven Bosscher  <stevenb@suse.de>
24
25         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
26         previous checkin.
27
28 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
29
30         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
31         (memory_address_same): New.
32         (dse_optimize_stmt): Call memory_address_same.
33
34 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
35
36         PR middle-end/24750
37         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
38         ZERO_EXTEND>: New cases.
39
40 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
41
42         * longlong.h (__clz_tab): Always provide.
43
44 2005-11-11  Steven Bosscher  <stevenb@suse.de>
45
46         PR 24265
47         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
48         can be assigned to.
49         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
50         before check_maybe_invariant.
51         (move_invariant_reg): Use gen_move_insn instead of replacing
52         SET_DEST with the temporary for the invariant.
53         (move_loop_invariants): If checking is enabled, do internal
54         consistency checks after completing the pass.
55
56 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
57
58         PR 24644
59         * common.opt (Wvolatile-register-var): New.
60         * varasm.c (make_decl_rtl): Only emit warning when option
61         specified.  Clarify warning message.
62         * doc/invoke.texi (Wvolatile-register-var): Document new option.
63
64         * doc/md.texi (copysign): Document standard named pattern.
65
66 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
67
68         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
69         bytes when align is 2.
70         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
71         by the first instruction of the loop.
72
73 2005-11-11  Jason Merrill  <jason@redhat.com>
74
75         PR c++/24686
76         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore 
77         the cleanup list.
78
79 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
80
81         PR rtl-optimization/22509
82         * local-alloc.c (memref_used_between_p): Check whether a function call
83         could not reference the memref.
84
85 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
86
87         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
88         algorithm so as to choose the best, not the worst, alternative.
89         Reset accumulated register class before processing next alternative.
90
91 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
92
93         PR target/24445
94         * calls.c (expand_call): Copy a return value to a plain register
95         if needed.
96
97 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
98
99         PR target/24778
100         * varasm.c (assemble_name): Recompute name only for transparent
101         aliases.
102
103 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
104
105         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
106
107 2005-11-04  Jeff Law  <law@redhat.com>
108
109         PR middle-end/23181
110         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
111         perform reassociation if the parent statement will not die as
112         a result of the optimization.
113
114 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
115
116         * tree-ssa-alias.c (compute_may_aliases): Remove call to 
117         delete_old_heap_vars.
118         * tree-dfa.c (referenced_var_remove): Remove function.
119         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
120         (delete_tree_ssa): Remove call to delete_old_heapvars.
121         Add call to delete_alias_heapvars.
122         * tree-flow.h (referenced_var_remove): Remove prototype
123         (init_alias_heapvars): New prototype.
124         (delete_alias_heapvars): Ditto.
125         * Makefile.in (tree-ssa-structalias.o): Add
126         gt-tree-ssa-structalias.o
127         (GTFILES): Add tree-ssa-structalias.h and
128         tree-ssa-structalias.c.
129         (s-gtype): Add gt-tree-ssa-structalias.h.
130         * tree-ssa-structalias.c (heapvars): Remove.
131         (oldheapvars): Remove.
132         (heapvar_for_stmt): New variable.
133         (heapvar_lookup): New function.
134         (heapvar_insert): Ditto.
135         (get_constraint_for): See if we have an old heapvar
136         to reuse.
137         (init_alias_heapvars): New function.
138         (delete_alias_heapvars): Ditto.
139         Add include of gt-tree-ssa-structalias.h.
140
141 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
142
143         PR middle-end/22127
144         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
145
146 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
147
148         * tree.c (int_fits_type_p): Only look at the base type
149         if it has the same precision as the original type.
150
151 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
152
153         PR other/4372
154         * varasm.c (assemble_alias): Use %q+D in the error
155         message instead of %J and %qD.
156
157 2005-11-10  Richard Guenther  <rguenther@suse.de>
158
159         * gcse.c (free_ldst_entry): Only free hashtable if
160         it exists.
161
162 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
163
164         * function.c (assign_stack_local_1): Issue an error message if
165         the frame size overflows in the signed target arithmetics.
166
167 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
168
169         * tree.c (build_qualified_type): Chain the new type to the original
170         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
171         a POINTER_TYPE or a REFERENCE_TYPE respectively.
172         (build_pointer_type_for_mode): Only return unqualified types.
173         (build_reference_type_for_mode): Likewise.
174
175 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
176
177         * Makefile.in (gnucompare): Do comparison of all files using one of
178         the chosen methods and only afterwards decide if just warning should
179         be issued or comparison failure raised.
180
181 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
182
183         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
184         (noce_try_abs): Negate if the comparison is reversed.
185         Look only one instruction backwards for a REG_EQUAL note.
186
187 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
188
189         PR other/4372
190         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
191         gthr-tpf.h: Define __gthrw.  For all identifiers that might
192         be weak, introduce weakrefs or non-weak aliases with __gthrw,
193         and prefix all uses with __ghtrw.
194
195 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
196
197         PR other/4372
198         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
199         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
200         * c-common.c (handle_weakref_attribute): New.
201         (c_common_attribute_table): Add weakref.
202         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
203         in the assembler.
204         * configure, config.in: Rebuilt.
205         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
206         * doc/extend.texi: Document weakref attribute.
207         * varasm.c (ultimate_transparent_alias_target): New
208         (assemble_name): Use it.
209         (weak_finish_1): Split out of...
210         (weak_finish): ... and deal with weakrefs in...
211         (weakref_targets): ... new list.
212         (globalize_decl): Clean up weakref_targets.
213         (do_assemble_alias): Handle weakrefs.
214         (finish_aliases_1): Do not reject weakrefs to external symbols.
215         (assemble_alias): Handle weakrefs.
216
217 2005-11-09  Richard Guenther  <rguenther@suse.de>
218
219         PR tree-optimization/24716
220         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
221         t_bool to track results from follow_ssa_edge.
222
223 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
224
225         * final.c (force_source_line): New global variable.
226         (final_scan_insn): Set it to true instead of clearing last_filename.
227         (notice_source_line): Return true if force_source_line is true,
228         unless source info is absent.
229
230 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
231
232         PR c/24644
233         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
234         a linkage name for a variable if it a register variable.
235         * c-decl.c (grokdeclarator): Global register variables
236         should be set as PUBLIC.
237
238 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
239
240         PR 24624
241         * config/s390/s390.c (struct s390_frame_layout): New fields 
242         first_save_gpr_slot and last_save_gpr_slot.
243         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,  
244         s390_emit_epilogue, s390_initial_elimination_offset): Replaced 
245         first_save_gpr and last_save_gpr with the _slot variants.
246         (s390_register_info): Calculate first_save_gpr_slot and 
247         last_save_gpr_slot using regs_ever_live.
248
249 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
250
251         PR 24623
252         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
253         for a function containing a landing pad.
254
255 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
256
257         PR 24034
258         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
259         is live afterwards.
260
261 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
262
263         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
264         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
265
266 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
267
268         Add ms2 support
269         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
270         constants.
271         (call,load,store): New insn types.
272         (mem_access, branch_access): Adjust reservation conditions.
273         (define_delay): Adjust condition.
274         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
275         type.
276         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
277         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
278         insn type.
279         (call_internal, call_value_internal, return_internal,
280         return_interrupt_internal, eh_return_internal, indirect_jump,
281         tablejump): Set call insn type.
282         (blockage, ei, di): Use appropriate unspec const.
283         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
284         (ms1_get_attr_type): Adjust to give load & store types.
285         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
286         backwards past a barrier.
287         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
288         branch scheduling.
289         (struct branch_info, struct label_info): New.
290         (ms1_labels): New.
291         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
292         (ms1_machine_reorg): New.
293         (TARGET_MACHINE_DEPENDENT_REORG): Override.
294         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
295         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
296         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
297         (TARGET_MS2): New.
298
299 2005-11-09  Per Bothner  <per@bothner.com>
300             Uros Bizjak  <uros@kss-loka.si>
301         
302         PR c/24101
303         * toplev.c (process_options): Initialize debug_hooks early
304         in case lang_hooks.post_options ends up calling a debug_hook.
305
306 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
307
308         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
309         DBX_REGISTER_NUMBER being contiguous.
310
311 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
312             Diego Novillo  <dnovillo@redhat.com>
313
314         PR 23046
315         * tree-vrp.c (register_edge_assert_for): Do not register
316         always-false predicates.
317
318 2005-11-08  Devang Patel <dpatel@apple.com>
319
320         PR tree-optimization/23115
321         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
322         relation.
323
324 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
325
326         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
327         -mcpu=440.
328
329 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
330
331         Fix PR tree-optimization/23382
332
333         * tree-ssa-alias.c (compute_may_aliases): Call
334         delete_old_heap_vars.
335         * tree-dfa.c (referenced_var_remove): New function.
336         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
337         * tree-flow.h (referenced_var_remove): Add prototype.
338         (delete_old_heap_vars): Ditto.
339         * tree-ssa-structalias.c (heapvars): New variable.
340         (oldheapvars): Ditto.
341         (get_constraint_for): Put heap vars on heapvars list.
342         (delete_old_heap_vars): New function.
343         
344 2005-11-08  Jason Merrill  <jason@redhat.com>
345
346         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
347
348 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
349
350         PR target/19340
351         * reg-stack.c (reg_to_stack): Update register liveness also
352         for flag_sched2_use_traces.
353
354 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
355
356         PR target/23704
357         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
358         override prior explicit -mno-powerpc-gfxopt.
359
360 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
361
362         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
363         if the bitsize is zero.
364         * doc/md.texi (Standard Pattern Names): Document it.
365
366         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
367         (TARGET_PASS_BY_REFERENCE): Likewise.
368
369 2005-11-07  Ian Lance Taylor  <ian@airs.com>
370
371         PR rtl-optimization/24683
372         * config/i386/i386.c (legitimize_pic_address): If constant operand
373         to PLUS is too large, put it in a register.
374
375 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
376
377         * configure.ac: Enable checking assembler dwarf2 support for bfin
378         target.
379         * configure: Regenerate.
380
381 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
382
383         PR target/24230
384
385         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
386         gen_easy_vector_constant_add_self): Delete.
387         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
388         New.
389         (output_vec_const_move): Use gen_easy_altivec_constant.
390         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
391         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
392         (easy_vector_constant_add_self): Rewritten.
393         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
394         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
395         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
396         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
397         Macroize and adjust for the other changes.
398
399 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
400
401         PR c/24599
402
403         * c-typeck.c (build_c_cast): Try using a shared constant, and see
404         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
405
406 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
407
408         PR rtl-optimization/23567
409         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
410         (noce_process_if_block): Don't do any optimizations except
411         if (cond) x = x; if !set_b and write into orig_x may trap
412         or fault.  Remove the MEM_READONLY_P check.
413
414 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
415
416         PR 24670
417         * tree-vrp.c (fix_equivalence_set): New.
418         (extract_range_from_assert): Call it.
419
420 2005-11-05  Ian Lance Taylor  <ian@airs.com>
421
422         PR target/22432
423         * combine.c (apply_distributive_law): Don't distribute across a
424         vector mode subreg.
425
426 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
427
428         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
429         config/ms1/ms1.h, config/rs6000/predicates.md,
430         config/s390/s390.c, params.def, postreload-gcse.c,
431         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
432         tree-vrp.c, tree.c: Fix comment typos.
433         * doc/invoke.texi: Fix typos.
434
435 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
436
437         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
438         for testing whether the data_dependence_relation contains distance
439         vectors.  Iterate over all distance vectors of the ddr.
440         * lambda.h: Define a vec of lambda_vector pointers.
441         * tree-data-ref.c (dump_data_dependence_relation,
442         dump_data_dependence_direction): Iterate over all distance and
443         direction vectors of the ddr.
444         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
445         DDR_DIST_VECTS.
446         (build_classic_dist_vector, build_classic_dir_vector): Push a set
447         of distance/direction vectors instead of a single one.
448         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
449         lambda_vectors with a vec of lambda_vectors.
450         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
451         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
452         DDR_NUM_DIST_VECTS): New.
453         * tree-loop-linear.c (gather_interchange_stats): Test for the
454         existence of distance vectors only after having checked that there
455         is a dependence.  Iterate over all distance vectors of the ddr.
456         (linear_transform_loops): Use dump_data_dependence_relation.
457         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
458         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
459         distance vectors of the ddr.
460
461 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
462
463         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
464         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
465         IS_INTHANDLER; all callers changed.
466         (n_regs_saved_by_prologue): Take interrupt handler attributes into
467         account.
468         (do_link, do_unlink): New argument ALL; all callers changed.
469         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
470         If function isn't leaf, save and restore all registers.
471         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
472         exception handler.
473
474 2005-11-05  Jan Hubicka  <jh@suse.cz>
475
476         PR rtl-optimization/23490
477         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
478         max-flow-memory-location): Document.
479         * flow.c: Include params.h
480         (MAX_MEM_SET_LIST_LEN): Kill.
481         (add_to_mem_set_list): Use new param.
482         * cse.c (cse_basic_block): Replace 1000 by new param.
483         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
484         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
485         * predict.c (predict_loops): Use new param.
486         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
487
488         * ipa-inline.c (cgraph_decide_inlining_of_small_function, 
489         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
490         Do not hold memory returned by cgraph_node_name across other call.
491
492 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
493
494         PR target/23424
495         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
496         Disable.
497
498 2005-11-04  Jeff Law  <law@redhat.com>
499
500         PR/21883
501         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
502         * tree-ssa-dom.c: Include params.h.
503         (thread_across_edge): If there are too many statements in the
504         target block, then do not thread through it.
505         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
506         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
507
508 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
509
510         PR 24627
511         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
512         TODO_update_ssa instead of TODO_update_ssa_no_phi.
513
514 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
515
516         PR/18595
517         * tree-scalar-evolution.c (instantiate_parameters_1,
518         instantiate_parameters, resolve_mixers): Compute the size of an
519         expression to be instantiated and give up the instantiation if the
520         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
521
522 2005-11-04  Richard Guenther  <rguenther@suse.de>
523
524         * tree-flow.h (ref_contains_indirect_ref): Rename to
525         array_ref_contains_indirect_ref.
526         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
527         (array_ref_contains_indirect_ref): Make comment match the code
528         and vice-versa.
529         (ref_contains_array_ref): Likewise.
530         * tree-ssa-structalias.c (find_func_aliases): Remove call to
531         ref_contains_indirect_ref.
532         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
533         Rename calls to ref_contains_indirect_ref.
534
535 2005-11-04 Paul Brook  <paul@codesourcery.com>
536
537         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
538         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
539         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
540         * config/arm/arm.md: Use match_operand in peephole input templates
541         and match_dup in peephole output templates.
542
543 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
544
545         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
546         __aeabi_uidiv.
547
548 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
549             Daniel Jacobowitz  <dan@codesourcery.com>
550
551         * longlong.h (add_ssaaaa): Clobber condition code register
552         in ARM version.
553         (sub_ddmmss): Likewise.
554         (umul_ppmm): Likewise.
555
556 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
557             Paul Brook  <paul@codesourcery.com>
558             Phil Blundell  <pb@reciva.com>
559
560         * configure.ac: Add test for ARM TLS support.
561         * configure: Regenerated.
562         * config/arm/arm-protos.h (legitimize_tls_address)
563         (arm_tls_referenced_p, tls_mentioned_p)
564         (arm_output_addr_const_extra): New prototypes.
565         (thumb_legitimize_pic_address): Delete.
566         * config/arm/arm.c: Include "gt-arm.h".
567         (enum tls_reloc): New.
568         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
569         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
570         (arm_call_tls_get_addr, legitimize_tls_address)
571         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
572         (arm_init_tls_builtins, arm_emit_tls_decoration)
573         (arm_output_addr_const_extra): New functions.
574         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
575         (TARGET_HAVE_TLS): Define.
576         (target_thread_pointer): New.
577         (arm_override_options): Handle -mtp=.
578         (legitimize_pic_address): Ignore UNSPECs.
579         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
580         relative symbols.
581         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
582         (tls_get_addr_libfunc): New variable.
583         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
584         (arm_init_builtins): Call arm_init_tls_builtins.
585         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
586         (arm_encode_section_info): Call default_encode_section_info.
587         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
588         (enum arm_tp_type): New.
589         (target_thread_pointer): Add declaration.
590         (LEGITIMATE_CONSTANT_P): Handle TLS.
591         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
592         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
593         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
594         * config/arm/arm.md: Add UNSPEC_TLS.
595         (movsi): Handle TLS.
596         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
597         non-PIC.
598         (tls_load_dot_plus_eight): New insn and a peephole to create it.
599         (load_tp_hard, load_tp_soft): New insns.
600         * arm.opt: Add -mtp=.
601         * doc/invoke.texi (ARM Options): Document -mtp.
602
603 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
604
605         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
606         * config/arm/libunwind.S: Include "lib1funcs.asm".
607         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
608         (LIB2ADDEH): Add libunwind.S.
609         (LIB2ADDEHDEP): Add lib1funcs.asm.
610         * mklibgcc.in: Handle asm files in libgcc_eh.a.
611
612 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
613
614         PR fortran/18452
615         * gcc/c.opt: Add a -lang-fortran option.
616         * gcc/c-opts.c: Add a lang_fortran flag.
617         (c_common_init_options): Handling the -lang-fortran option.
618         (c_common_handle_option): Add a case for Fortran options in
619         preprocessing. Remove cases for -ffixed-form and
620         -ffixed-line-length. Add a case for -lang-fortran.
621
622 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
623
624         * config/rs6000/rs6000.c: Include params.h
625         (optimization_options): Set max-grow-copy-bb-insns default to 16.
626         (bdesc_2arg): Delete vpkuhss and vpkuwss.
627         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
628         (UNSPEC_VPKUWSS): Delete.
629         (altivec_vpkuhss): Delete.
630         (altivec_vpkuwss): Delete.
631         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
632         final condition.
633         (neg_eq0<mode>): Remove final condition.
634         (neg_eq<mode>): Remove condition and split-condition.
635
636 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
637
638         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
639         Use associated print macros.
640
641 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
642
643         PR c++/17964
644         * diagnostic.c (diagnostic_set_info_translated): New function.
645         (diagnostic_set_info): Use it.  Add comment.
646         * diagnostic.h (diagnostic_set_info_translated): Declare.
647
648 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
649
650         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
651         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
652         reference only if 'public' is true.
653         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
654         emit the .hidden directive only if the indirect reference is public.
655         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
656         Pass it to dw2_force_const_mem.
657         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
658         * dwarf2out.c (output_cfi): Adjust calls to above function.
659         (output_call_frame_info): Likewise.
660         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
661         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
662
663 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
664
665         PR tree-optimization/24483
666         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
667         field to elts if possible.
668
669 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
670
671         PR middle-end/23155
672         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
673         CONSTRUCTOR.
674
675 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
676
677         Fix PR tree-optimization/24351
678
679         * tree-ssa-structalias.c (struct variable_info): Add
680         collapsed_into.
681         (get_varinfo_fc): New function to follow collapsing.
682         (new_var_info): Set collapsed_to to NULL.
683         (dump_constraint): Follow collapsing.
684         (build_constraint_graph): Handle collapsing.
685         (do_simple_structure_copy): Return false if something bad
686         happened.
687         (collapse_rest_of_var): New function.
688         (do_structure_copy): Collapse if do_simple_structure_copy returns
689         false.
690         
691 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
692
693         PR middle-end/24589
694         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
695         expressions to a statement list instead of gimplifying them.
696
697 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
698
699         PR rtl-optimization/23585
700         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
701         that can't trap plus a constant integer, if the mode has zero size.
702
703 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
704
705         PR target/24620
706         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
707         as operand 2.
708         ("*insv<mode>_reg_extimm"): Likewise.
709
710 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
711
712         PR c/24329
713         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
714         c_common_type_for_mode returns an unnamed type.
715
716 2005-11-02  Richard Henderson  <rth@redhat.com>
717
718         PR target/9350
719         PR target/24374
720         * dwarf2out.c (dwarf2out_reg_save_reg): New.
721         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
722         * function.c (assign_parms): Use calls.internal_arg_pointer.
723         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
724         code.
725         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
726         (TARGET_CALLS): Add it.
727         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
728         * targhooks.c (default_internal_arg_pointer): New.
729         * targhooks.h (default_internal_arg_pointer): Declare.
730         * tree.h (dwarf2out_reg_save_reg): Declare.
731         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
732         * config/i386/i386.c (dbx_register_map): Add return column.
733         (dbx64_register_map, svr4_dbx_register_map): Likewise.
734         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
735         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
736         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
737         (ix86_save_reg): Save force_align_arg_pointer.
738         (ix86_emit_save_regs): Make regno unsigned.
739         (ix86_emit_save_regs_using_mov): Likewise.
740         (ix86_expand_prologue): Handle force_align_arg_pointer.
741         (ix86_expand_epilogue): Likewise.
742         * config/i386/i386.h: (dbx_register_map): Update.
743         (dbx64_register_map, svr4_dbx_register_map): Update.
744         (struct machine_function): Add force_align_arg_pointer.
745         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
746         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
747         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
748
749 2005-11-02  Jan Hubicka  <jh@suse.cz>
750
751         PR target/23303
752         * i386.md: Add peep2 for simplyfing array accesses.
753
754 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
755
756         PR target/24615
757         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
758         * config/s390/s390.c (s390_decompose_shift_count): New function.
759         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
760         (print_shift_count_operand): Use s390_decompose_shift_count.
761         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
762         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
763
764 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
765
766         PR target/24600
767         * loop.c (loop_givs_rescan): Use force_operand to expand
768         complex GIVs.
769
770 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
771
772         PR 22429
773         * fold-const.c (build_range_check): Use unsigned when signed
774         overflow is undefined also.  If etype is subtype, make sure that
775         the subtraction is in the supertype.
776
777 2005-11-02  Richard Henderson  <rth@redhat.com>
778
779         PR target/24178
780         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
781         by MEM_ALIGN.
782
783 2005-11-01  Richard Henderson  <rth@redhat.com>
784
785         PR 21518
786         * loop.c (scan_loop): Do not propagate computations to a hard
787         register destination with SMALL_REGISTER_CLASSES.
788
789 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
790
791         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
792         costs for MULT inside PLUS or MINUS.
793
794 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
795
796         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
797         (TRAMPOLINE_SIZE): Round up to 60.
798         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
799
800 2005-10-31  James E. Wilson  <wilson@specifix.com>
801
802         PR debug/24444
803         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
804         ifdef.  Put ifdefs around call in gen_subprogram_die.
805         (compute_frame_pointer_to_cfa_displacement): Likewise.
806         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
807         not defined.
808         
809         PR rtl-optimization/17356
810         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
811         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
812
813 2005-10-31  Jan Hubicka  <jh@suse.cz>
814
815         PR middle-end/24093
816         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
817
818         PR target/20928
819         * i386.c (legitimize_pic_address): Deal with large immediates.
820
821         PR profile/20815
822         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
823         from symbol names while computing checkup.
824
825         PR profile/24487
826         * predict.c (predict_loops): Do not estimate more than
827         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
828         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
829
830 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
831         
832         PR tree-optimization/19097
833         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
834
835 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
836
837         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
838
839 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
840
841         PR middle-end/23492
842         * tree-inline.c (setup_one_parameter): If the init_stmt
843         is NULL, don't insert the statement.
844
845 2005-10-30  Jan Hubicka  <jh@suse.cz>
846
847         PR tree-optimization/24172
848         * tree-inline.c (copy_body_r): Unshare the substituted value first.
849
850 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
851
852         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
853         constants for hosts with long != 32 bits.
854
855 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
856
857         PR middle-end/24093
858         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
859
860 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
861
862         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
863         (TARGET_MS1_16_002): New.
864         (TARGET_MS1_16_003): New.
865
866         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
867         ("*decrement_and_branch_until_zero_no_clobber"): New.
868         Add corresponding splitter for decrement_and_branch_until_zero
869         instruction.
870         Key all decrement_and_branch_until_zero patterns off of
871         TARGET_MS1_16_003.
872
873 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
874
875         PR middle-end/24362
876         * tree-complex.c (extract_component): Treat RESULT_DECL
877         like the rest of the decls.
878
879 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
880
881         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
882         indirect call to _mcount if the function needs a static chain.
883
884 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
885             Caroline Tice  <ctice@apple.com>
886
887         PR rtl-optimization/24460
888         * dwarf2out.c (have_switched_text_sections): New boolean variable.
889         (dwarf2out_switch_text_section): Set it to true instead of
890         incrementing separate_line_info_table_in_use.
891         (output_loc_list): Additionally test have_switched_text_sections.
892         (output_ranges): Likewise.
893         (dwarf2out_finish): Likewise.
894         * varasm.c (assemble_start_function): Do not call
895         insert_section_boundary_note.
896         (assemble_end_function): If flag_reorder_blocks_and_partition,
897         switch to the function's section before emitting the .size directive.
898         * bb-reorder.c (insert_section_boundary_note): Staticify.
899         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
900         * output.h (insert_section_boundary_note): Delete.
901
902 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
903
904         PR c/23103
905         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
906         instead of pointer equality when comparing types.
907
908 2005-10-24  James E. Wilson  <wilson@specifix.com>
909
910         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
911         add_dependence_list_and_free calls.
912
913 2005-10-24  Steven Bosscher  <stevenb@suse.de>
914
915         * contrib.texi: Add the names of the LLNL folks who donated
916         Cray pointer support for gfortran.
917
918 2005-10-24  Steven Bosscher  <stevenb@suse.de>
919
920         PR tree-optimization/24225
921         * profile.c (branch_prob): Look from end to start through a
922         basic block when looking for a locus.
923
924 2005-10-24  Richard Henderson  <rth@redhat.com>
925
926         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
927         parallel.
928         (hppa_expand_prologue): Likewise.
929
930 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
931
932         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
933         (NO_DEFERRED_PROFILE_COUNTERS): Define.
934         * pa.h (NO_PROFILE_COUNTERS): Define.
935         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
936         (funcdef_nos): New vector to hold label numbers of deferred profile
937         counters.
938         (output_deferred_profile_counters): New function.
939         (hppa_profile_hook): Push label number onto funcdef_nos.
940         (pa_hpux_file_end): Call output_deferred_profile_counters if
941         NO_DEFERRED_PROFILE_COUNTERS is false.
942
943         * pa-protos.h (get_deferred_plabel): New prototype.
944         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
945         Make global.
946         (output_call): Adjust calls.
947
948 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
949
950         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
951         peculiarity of GOT/TOC section usage.
952
953 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
954
955         PR objc/24435
956          * c-common.c (constant_string_class_name): Add documentation.
957
958 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
959
960         PR target/23832
961         * recog.c (peephole2_optimize): Increment peep2_current_count
962         only when the slot is empty.
963
964 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
965
966         PR ada/23957
967         * except.c (output_function_exception_table): Call
968         assemble_external_libcall if we need a personality function.
969
970 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
971
972         PR rtl-optimization/24460
973         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
974         set the basic block for barriers.
975
976 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
977
978         * var-tracking.c (vt_initialize): Initialize post.
979
980 2005-10-21  Devang Patel  <dpatel@apple.com>
981
982         PR/24220
983         * c-common.c (vector_types_convertible_p): Check vector element type.
984         
985 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
986
987         * config/sh/sh.c (prepare_move_operands): Handle the address
988         constant which is a tls symbolic address plus a constant.
989
990 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
991
992         PR driver/24473
993         * gcc.c (main): Use the correct counter for erroring out
994         about mulitple files.
995
996 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
997
998         PR target/24465
999         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1000         use r2 for 64-bit tls .got access.
1001
1002 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
1003
1004         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1005         TRUTH_OR_EXPR.
1006
1007 2005-10-20  Steven Bosscher  <stevenb@suse.de>
1008
1009         PR tree-optimization/24307
1010         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1011
1012 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
1013
1014         PR middle-end/24295
1015         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1016         alias targets.
1017         * varasm.c (find_decl_and_mark_needed): After cgraph global info
1018         is ready, stop marking functions, but still mark variables.
1019
1020 2005-10-20  Richard Guenther  <rguenther@suse.de>
1021
1022         PR c++/24439
1023         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1024         void type operands.
1025
1026 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
1027
1028         PR rtl-optimization/23585
1029         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1030         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
1031         (may_trap_p_1): New predicate extracted from...
1032         (may_trap_p): ... here.  Invoke may_trap_p_1.
1033         (may_trap_or_fault_p): New predicate.
1034         * rtl.h (may_trap_or_fault_p): Declare it.
1035         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1036         instead of may_trap_p.
1037         (steal_delay_list_from_fallthrough): Likewise.
1038         (fill_simple_delay_slots): Likewise.
1039         (fill_slots_from_thread): Likewise.
1040         * function.c (pad_to_arg_alignment): Rework comment about
1041         SPARC_STACK_BOUNDARY_HACK.
1042         * config/sparc/sparc.h: Likewise.
1043
1044 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
1045
1046         * config/s390/s390.c (s390_expand_insv): New.
1047         * config/s390/s390-protos.h (s390_expand_insv): Declare.
1048         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1049         ("icm_hi"): Remove mode attribute.
1050         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1051         Adjust all uses.
1052         ("*extracthi", "*extractqi"): Remove.
1053         (extv<mode>", "*extzv<mode>"): New.
1054         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1055         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1056
1057 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1058
1059         * cfgexpand.c (discover_nonconstant_array_refs_r,
1060         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1061         (tree_expand_cfg): Call discover_nonconstant_array_refs.
1062         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1063         discover_nonconstant_array_refs.
1064
1065 2005-10-19  Steven Bosscher  <stevenb@suse.de>
1066
1067         PR c/23228
1068         * c-decl.c (pop_scope): Don't warn about an unused variable
1069         if it is marked with TREE_NO_WARNING.
1070         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1071         somenow mismatch and olddecl is to be replaced.
1072
1073 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1074
1075         PR middle-end/23199
1076         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1077         whether registers live on the edge can be saved/restored.
1078
1079 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1080
1081         * config/sh/sh.c (fixup_mova): Skip notes.
1082
1083 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1084
1085         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1086         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1087         (s390_can_eliminate): Handle BASE_REGNUM elimination.
1088         (s390_initial_elimination_offset): Likewise.
1089         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1090         register on TARGET_ZARCH targets.
1091         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1092         (INITIAL_FRAME_POINTER_OFFSET): Remove.
1093         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1094         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1095
1096 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1097
1098         * config/s390/s390.md: Comment describing output modifiers updated.
1099         * config/s390/s390.c (print_operand): Likewise.
1100
1101 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1102
1103         * config/s390/s390.c (override_options): Added check for -mstack-size
1104         64k limitation.
1105         * doc/invoke.texi: Mention that limit in the documenation.
1106
1107 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
1108
1109         PR #19672
1110         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1111
1112 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
1113
1114         Fix PR tree-optimization/24231
1115
1116         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1117         (compute_avail): Ditto.
1118
1119 2005-10-18  Richard Henderson  <rth@redhat.com>
1120
1121         PR target/24428
1122         * config/i386/i386.c (legitimate_constant_p): Check
1123         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
1124         if LABEL_REF.
1125         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1126         (legitimate_pic_address_disp_p): Reorg CONST checking to make
1127         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
1128         directly.
1129         (print_operand_address): Likewise.
1130         * config/i386/predicates.md (x86_64_immediate_operand): Test
1131         SYMBOL_REF_TLS_MODEL properly inside CONST.
1132         (x86_64_zext_immediate_operand): Likewise.
1133         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1134         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1135         * config/i386/i386-protos.h: Remove predicates.md entries.
1136
1137 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1138
1139         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1140         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1141
1142 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
1143             Ian Lance Taylor <ian@airs.com>
1144
1145         PR middle-end/23522
1146         * fold-const.c (fold_widened_comparison): Do not allow range based
1147         constant folding when right operand cannot be unwidened.
1148
1149 2005-10-17  Richard Henderson  <rth@redhat.com>
1150
1151         * builtins.c (expand_builtin_synchronize): Build a new-style asm
1152         with a memory clobber.
1153
1154 2005-10-17  James E Wilson  <wilson@specifix.com>
1155
1156         PR rtl-optimization/17356
1157         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1158         checking for EDGE_EH.
1159
1160 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1161
1162         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1163         the slot on an even boundary for any type with 16-byte alignment.
1164
1165 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
1166
1167         PR target/23424
1168         * md.texi (Modifiers) <%>: Clarify that % doesn't work
1169         after register allocation.
1170
1171 2005-10-17  DJ Delorie  <dj@redhat.com>
1172
1173         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1174         as frame related.
1175
1176 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
1177
1178         PR c++/22551
1179         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1180         overflow flags.
1181
1182 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1183
1184         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1185         to 2 if it's already non-zero.
1186         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1187         is set and warn about it if flag_schedule_insns is 1.
1188
1189 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
1190
1191         * config/crx/crx.md: Compare-and-branch instructions need to
1192         invalidate CC.
1193
1194 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
1195
1196         PR target/24315
1197         * config/i386/i386.md (*pushdi2_rex64 splitter)
1198         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1199         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1200         flow2 pass only when (optimize > 0 && flag_peephole2).
1201
1202 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
1203
1204         PR driver/22544
1205         * gcc.c (have_c): New static variable.
1206         (have_o): Likewise.
1207         (process_command): Remove declation of have_c.
1208         Set have_o to 1 when handling -o.
1209         (main): Add a fatel error if there are multiple
1210         files specified and -o and -c/-S is passed witout
1211         -combine or multiple languages.
1212
1213 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
1214
1215         Fix PR tree-optimization/22444
1216         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1217         Assert that we don't hit something with subvars.
1218         (setup_pointers_and_addressables): Don't add things with subvars,
1219         because we'll already process the subvars for aliasing purposes.
1220
1221 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
1222
1223         PR target/23424
1224         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1225         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1226         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1227         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1228         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1229         swapped, alternatives for the R constraint.
1230
1231         PR middle-end/24341
1232         * builtins.c (get_builtin_sync_mode): Make unlimited
1233         mode_for_size request.
1234
1235 2005-10-15  Richard Henderson  <rth@redhat.com>
1236
1237         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1238         (gimplify_expr): ... here.
1239         (gimplify_compound_lval): Use it in initial scan loop.  Allow
1240         fb_lvalue in base expression.
1241
1242 2005-10-15  Richard Henderson  <rth@redhat.com>
1243
1244         PR 23714
1245         * builtins.c (expand_builtin_trap): Export.
1246         * expr.h (expand_builtin_trap): Declare.
1247         * expr.c (expand_assignment): Emit a trap for integral offsets 
1248         from registers that weren't reduced to bitpos.
1249
1250         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1251         (mark_array_ref_addressable): Remove.
1252         * tree-flow.h (mark_array_ref_addressable): Remove.
1253         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1254
1255 2005-10-15  James E Wilson  <wilson@specifix.com>
1256
1257         PR target/24232
1258         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
1259         (add_dependence_list_and_free): Likewise.
1260         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1261         call.
1262
1263 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
1264
1265         PR 23141
1266         PR 23142
1267         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1268         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1269         anti-range.
1270         (vrp_visit_phi_node): Only prevent infinite iterations when
1271         the previous result and the new result are both VR_RANGEs.
1272
1273 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
1274
1275         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1276         function comment.
1277
1278 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1279
1280         PR c/23439
1281         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1282         to initialize loc.
1283
1284 2005-10-14  Per Bothner  <per@bothner.com>
1285
1286         PR preprocessor/21250
1287         * c-ppoutput.c (print_line): Print internal line 0 as 1.
1288
1289 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
1290
1291         PR c++/22551
1292         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1293         overflow flags.  Refactor some conditionals.
1294
1295 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
1296
1297         PR tree-opt/21304
1298         * tree-dfa.c (add_referenced_var): Only look at decls which
1299         have TREE_CONSTANT or TREE_READONLY set instead of if
1300         !TREE_PUBLIC or !TREE_CONSTANT.
1301
1302 2005-10-13  James E Wilson  <wilson@specifix.com>
1303
1304         * doc/invoke.texi: For -x, add f95-cpp-input.
1305         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1306
1307 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
1308
1309         PR tree-optimization/24262
1310         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1311         in loop all the time.
1312
1313 2005-10-12  Richard Henderson  <rth@redhat.com>
1314
1315         PR c/24255
1316         * tree.h (DECL_TRANSPARENT_UNION): Remove.
1317         * function.c (assign_parm_find_data_types): Don't support it.
1318         * print-tree.c (print_node): Likewise.
1319         * c-common.c (handle_transparent_union_attribute): Likewise.
1320         Use build_duplicate_type.
1321         * tree-inline.c (remap_type_1): Split out of remap_type;
1322         properly remap aggregate fields.
1323         (build_duplicate_type): New.
1324         * doc/extend.texi (Variable Attributes): Remove documentation
1325         for transparent_union.
1326
1327 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1328
1329         PR target/24284
1330         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1331         (gen_stack_pointer_dec): Likewise.
1332
1333 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
1334
1335         PR middle-end/21275
1336         PR middle-end/21766
1337         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1338         target hook.
1339         (struct cxx): Add adjust_class_at_definition target hook.
1340         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1341         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1342         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
1343         hook_void_tree. Add to TARGET_CXX.
1344         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1345         dllimport_flag.
1346         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1347         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1348         instead of attribute. Check for dllexport override.  Warn if
1349         inconsistent dll linkage. Don't lose old dllimport if decl has
1350         had address referenced.   Tweak lookup of dllimport atribute.  
1351         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1352         for target specific rules.  Don't add dllimport attribute if
1353         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
1354         dllimport attribute. 
1355         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1356         * varasm.c (initializer_constant_valid_p): Replace
1357         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1358
1359         PR target/21801
1360         PR target/23589
1361         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
1362         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1363         (i[34567]86-*-mingw32*): Likewise.
1364
1365         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1366         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1367                         
1368         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1369         C++-specific code. Change return value to bool. 
1370         (i386_pe_dllimport_p): Likewise.
1371         (associated_type): Simplify and make language-independent
1372         (i386_pe_encode_section_info): Replace override of ambiguous
1373         dllimport symbol refs with a gcc_assert.
1374         (i386_pe_valid_dllimport_attribute_p): Define.
1375         * config/i386/winnt-cxx.c: New file. Define C++ versions of
1376         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1377         i386_pe_adjust_class_at_definition.
1378         * config/i386/winnt-stubs.c: New file. Define stub versions of
1379         lang-specific functions.
1380         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1381         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
1382         i386_pe_adjust_class_at_definition.
1383         (i386_pe_valid_dllimport_attribute_p): Declare. 
1384         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1385         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1386         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1387
1388         PR target/19704
1389         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1390         dllimport attribute with test of DECL_DLLIMPORT_P.
1391
1392 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
1393
1394         * combine.c (make_extraction): Correct offset computation.
1395
1396 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
1397
1398         * config/cris/t-linux (LIMITS_H_TEST): Define.
1399
1400 2005-10-12  Richard Henderson  <rth@redhat.com>
1401
1402         PR rtl-opt/23324
1403         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1404
1405 2005-10-12  Richard Guenther  <rguenther@suse.de>
1406
1407         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1408
1409 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
1410
1411         PR c++/19964
1412         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1413         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1414         type.
1415
1416 2005-10-12  Richard Guenther  <rguenther@suse.de>
1417
1418         PR c++/23799
1419         * varasm.c (output_constant): Correct typo from previous
1420         patch by DJ.
1421
1422 2005-10-11  Ian Lance Taylor  <ian@airs.com>
1423
1424         PR rtl-optimization/13931
1425         * combine.c: Revert patch of 2003-05-14, and:
1426         (try_combine): Only set elim_i1 and elim_i2 if the destination is
1427         completely killed in the appropriate insn.
1428         (distribute_notes): Don't skip multiple hard register test for
1429         elim_i1 and elim_i2.
1430
1431 2005-10-11  Richard Henderson  <rth@redhat.com>
1432
1433         PR c/24255
1434         * c-typeck.c (convert_for_assignment): Use build_constructor_single
1435         to initialize a transparent union instead of a nop_expr.
1436
1437 2005-10-11  Richard Henderson  <rth@redhat.com>
1438
1439         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1440         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1441         (tree_ssa_dce_loop): Call scev_reset.
1442
1443         PR tree-opt/24300
1444         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1445         * tree-ssa-dce.c: Include cfgloop.h.
1446         (tree_ssa_dce_loop, pass_dce_loop): New.
1447         * tree-pass.h (pass_dce_loop): Declare it.
1448         * passes.c (init_optimization_passes): Use it.
1449
1450 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
1451
1452         PR middle-end/24263 
1453         * convert.c (convert_to_real): Revert 2005-10-05 patch.
1454         Only apply the optimization for rounding builtins if the inner
1455         cast is also an extension.
1456
1457 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
1458
1459         PR tree-opt/23946
1460         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1461         mark_new_vars_to_rename instead of update_stmt.
1462
1463 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1464
1465         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1466
1467 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
1468
1469         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1470         for setting MMX register to 0 rather than mmx.
1471
1472 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
1473
1474         PR target/12098
1475         * configure.ac: Move gas check from mips specific case to common case.
1476         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1477         * configure: Regenerate
1478         * doc/install.texi: Update.
1479
1480 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1481
1482         PR target/24284
1483         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1484
1485 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
1486
1487         * gcc.c (do_spec_1): Accept numeric characters in file name
1488         suffixes.
1489
1490 2005-10-10  Nick Clifton  <nickc@redhat.com>
1491
1492         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
1493         describing the deleted arm_gen_rotated_half_load function.
1494
1495 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1496
1497         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1498         __fpscr_values.
1499
1500 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
1501
1502         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1503         gnu_ld assignments.
1504         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1505         (EXTRA_MULTILIB_PARTS): Define.
1506         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1507         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1508         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1509         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1510         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1511         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1512
1513 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
1514
1515         PR tree-optimization/24226
1516         * tree-cfg.c (remove_bb): Clean up unreachable loops.
1517         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1518         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1519         Export.
1520
1521 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1522
1523         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1524
1525 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
1526
1527         PR target/24136
1528         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1529         Rewrite for no need for the early clobber.
1530
1531 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1532
1533         Merge from csl-arm-branch:
1534         2005-09-07  Paul Brook  <paul@codesourcery.com>
1535         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1536         space to string.
1537
1538         2005-04-30  Paul Brook  <paul@codesourcery.com>
1539         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1540         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1541
1542         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
1543         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1544         (arm_override_options): Use TARGET_AAPCS_BASED.
1545         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1546         (PTRDIFF_TYPE): Use int for AAPCS.
1547         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1548         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1549         (DEFAULT_SHORT_ENUMS): Delete.
1550         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1551
1552         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
1553         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1554         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1555         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1556
1557         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
1558         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1559
1560         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
1561         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1562  
1563         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
1564         * config.gcc (arm*-*-linux-gnueabi): Add it.
1565         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1566         redefining it.
1567         (TARGET_OS_CPP_BUILTINS): Likeiwse.
1568         * config/arm/linux-eabi.h: New file.
1569         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1570         (LINUX_TARET_LINK_SPEC): Likewise.
1571         (LINK_SPEC): Use it.
1572         * config/arm/t-linux-eabi: New file.
1573
1574 2005-10-08  Steven Bosscher  <stevenb@suse.de>
1575
1576         PR other/22202
1577         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1578         spaces.
1579         (PARAM_SMS_DFA_HISTORY): Likewise.
1580
1581 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1582
1583         PR middle-end/23150
1584         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1585         (load_register_parameters): Call it.
1586         (check_sibcall_argument_overlap_1): Likewise.
1587         (store_one_arg): Likewise.
1588
1589 2005-10-07  James E. Wilson  <wilson@specifix.com>
1590
1591         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1592         DImode not VECINT24 for operand 2.
1593
1594         PR target/23644
1595         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1596         -mtune-arch.
1597
1598         PR target/24193
1599         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1600         fr_spill): Use destination_operand for operand 0.
1601
1602 2005-10-07  DJ Delorie  <dj@redhat.com>
1603
1604         * varasm.c (output_constant): Limit error to expanding
1605         conversions.
1606
1607 2005-10-07  Richard Guenther  <rguenther@suse.de>
1608
1609         PR middle-end/24227
1610         * fold-const.c (fold_binary): Fix operand types during folding
1611         of X op (A, Y).  Evaluation order of the side-effects of
1612         X and A are frontend-defined, so ensure we honour that even for
1613         tcc_comparison class operands; eased by removing duplicate code.
1614
1615 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1616
1617         * stor-layout.c (layout_type): Do not allow alignment of array
1618         elements to be greater than their size.
1619
1620 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1621
1622         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1623         host_xmake_file.
1624         (hppa*-*-linux*): Ditto.
1625         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1626         * config/host-hpux.c: New.
1627         * config/x-hpux: New.
1628         * config/pa/x-hpux: Remove.
1629         * config/pa/x-linux: Remove.
1630         * config/pa/pa-host.c: Remove.
1631
1632 2005-10-07  Jeff Law  <law@redhat.com>
1633
1634         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1635         determine whether or not to try and thread outgoing edges.
1636
1637 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
1638
1639         * config/rs6000/rs6000.md (eqsi_power): New.
1640         (neg_eq0si): Add TARGET_POWER to final condition.
1641         (neg_eqsi): Same.
1642
1643 2005-10-06  Richard Henderson  <rth@redhat.com>
1644
1645         * config/rs6000/rs6000.c: Revert last change.
1646
1647 2005-10-06  Richard Henderson  <rth@redhat.com>
1648
1649         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1650         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1651
1652 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
1653
1654         PR middle-end/22216
1655         PR middle-end/23651
1656         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1657         out return_label and naked_return_label.
1658
1659 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1660         
1661         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1662         change.
1663
1664 2005-10-06  Richard Henderson  <rth@redhat.com>
1665
1666         PR tree-opt/22237
1667         * tree-inline.c (declare_return_variable): Handle modify_dest not
1668         being a DECL.
1669
1670 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1671         
1672         Fix PR tree-optimization/22488
1673         * tree-ssa-structalias.c (check_for_overlaps): New function.
1674         (create_variable_info_for): Use it.
1675
1676 2005-10-06  Richard Henderson  <rth@redhat.com>
1677
1678         PR debug/24070
1679         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1680         (dwarf2out_start_source_file): Print it.
1681
1682 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
1683
1684         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1685
1686 2005-10-06  Richard Henderson  <rth@redhat.com>
1687
1688         PR 23706
1689         * mode-switching.c (optimize_mode_switching): Clear transp bit
1690         for block with incomming abnormal edges.
1691
1692         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1693         (fpscr_set_from_mem): Use them.
1694         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1695         (fpscr postinc splitters): Rewrite as peephole2+split.
1696
1697 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
1698
1699         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1700         (eq<mode>_compare): Same.
1701
1702 2005-10-06  Richard Guenther  <rguenther@suse.de>
1703
1704         PR tree-optimization/24238
1705         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1706
1707 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
1708
1709         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1710         here.  Use AC_PATH_PROG for environment variables instead of
1711         test -x.
1712         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
1713         objdump also.
1714         * configure: Regenerated.
1715
1716 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
1717
1718         PR target/23783
1719         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1720         then force it into a register.
1721         (call_value): Likewise.
1722
1723 2005-10-06  Richard Henderson  <rth@redhat.com>
1724
1725         PR 24049
1726         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1727         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
1728         under pass_vectorize.
1729
1730 2005-10-05  Devang Patel  <dpatel@apple.com>
1731
1732         PR Debug/23205
1733         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1734         handling constants. Check NAMESPACE_DECL context for constants.
1735         
1736 2005-10-05  Eric Christopher  <echristo@apple.com>
1737
1738         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1739
1740 2005-10-05  Richard Henderson  <rth@redhat.com>
1741
1742         PR 23714
1743         * tree-cfg.c (mark_array_ref_addressable_1): New.
1744         (mark_array_ref_addressable): New.
1745         * tree-flow.h (mark_array_ref_addressable): Declare.
1746         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1747
1748 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
1749
1750         PR middle-end/20606
1751         PR middle-end/24069
1752         * reload.c (subst_reloads): When adding a REG_LABEL to a
1753         jump instruction, also update JUMP_LABEL.
1754
1755 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
1756
1757         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1758         * bb-reorder.c (copy_bb_p): Use it.
1759         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1760
1761 2005-10-05  Richard Henderson  <rth@redhat.com>
1762
1763         PR target/23602
1764         * toplev.c (process_options): Warn about unsupported combinations
1765         of unwind tables and omit-frame-pointer.
1766         * config/i386/i386.c (override_options): Similarly.  Enable
1767         accumulate-outgoing-args if not explicitly disabled.
1768
1769 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
1770
1771         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1772         Handle big endian vs. small endian.
1773         (vec_initv2sf): Handle big endian vs. small endian.
1774         (*vec_extractv2sf_1): Ditto.
1775
1776 2005-10-05  Dale Johannesen  <dalej@apple.com>
1777
1778         * convert.c (convert_to_real):  Don't convert
1779         (float)floor(double d) to floorf((float)d).
1780
1781 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
1782
1783         * config/arm/arm.md (insv): Use gen_int_mode in more places.
1784
1785 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
1786
1787         PR tree-optimization/18587
1788         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1789         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1790         build_vuses): Change to VEC type.
1791         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1792         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1793         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1794         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1795         (get_name_decl): New.  Return DECL_UID of base variable.
1796         (operand_build_cmp): New.  qsort comparison routine.
1797         (operand_build_sort_virtual): New.  Sort virtual build vector.
1798         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1799         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1800         (FINALIZE_BASE): Use get_name_decl.
1801         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1802         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1803         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1804         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1805         direct VEC_* manipulations.
1806         (build_ssa_operands): Call operand_build_sort_virtual.
1807         (copy_virtual_operand, create_ssa_artficial_load_stmt,
1808         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1809         with direct VEC_* manipulations.
1810         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1811         with direct VEC manipulations.
1812
1813 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
1814
1815         PR tree-optimization/21419
1816         PR tree-optimization/24146
1817         PR tree-optimization/24151
1818
1819         * c-typeck.c (readonly_error): Handle USE being lv_asm.
1820         (build_asm_expr): Call it if outputs are read-only.
1821         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1822
1823 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
1824             Paolo Bonzini  <bonzini@gnu.org>
1825
1826         PR target/23809
1827
1828         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1829         enable the instructions and not just the built-ins.
1830         * doc/invoke.texi (x86 Options): Likewise.
1831
1832 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
1833
1834         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1835
1836         * doc/invoke.texi (Option Summary): Correct spelling
1837         of -mmacosx-version-min.
1838
1839 2005-10-04  Devang Patel  <dpatel@apple.com>
1840
1841         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1842         real types.
1843
1844 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
1845
1846         * tree-vect-transform.c (vect_create_epilog_for_reduction):
1847         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1848
1849 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
1850
1851         * config/s390/s390.md ("TDSI","DP"): New mode macros.
1852         ("TE","tg"): New mode attributes.
1853         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1854         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1855         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1856         dword_mode and one for GPRmode.
1857
1858 2005-10-04  Ian Lance Taylor  <ian@airs.com>
1859
1860         PR preprocessor/13726
1861         * c-ppoutput.c (cb_include): Add comments parameter, and print out
1862         any comments passed in.
1863
1864 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1865
1866         * tree.c (annotate_with_file_line): Fix typo.
1867
1868 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1869
1870         PR ada/19382
1871         * builtins.c (fold_builtin_memcmp): When constructing the pointer
1872         type used to access data in the inlined length == 1 case, use
1873         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1874         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1875
1876 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
1877
1878         * config/i386/i386.h (TARGET_FISTTP): Enable also for
1879         TARGET_SSE3 and only for TARGET_80387.
1880         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1881         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1882         Do not depend on TARGET_80387.
1883
1884 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1885
1886         * tree.c (last_annotated_node): Change type to location_t*.
1887         (annotate_with_file_line): Reflect the change of
1888         last_annotated_node type.
1889
1890 2005-10-04  Richard Guenther  <rguenther@suse.de>
1891
1892         PR c/23576
1893         * c-decl.c (grokdeclarator): Don't write to fields
1894         of error_mark_node.
1895
1896 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1897
1898         PR middle-end/23125
1899         * c-decl.c (finish_decl): Use set_user_assembler_name even for
1900         register variables.
1901         * varasm.c (make_decl_rtl): If a register variable does not
1902         have a set user assmbler name, error out.
1903         Decode the asmspec is now name+1 bypassing '*'.
1904
1905 2005-10-04  Steven Bosscher  <stevenb@suse.de>
1906
1907         PR tree-optimization/23049
1908         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1909         of a COND_EXPR is folded before calling fold on the whole rhs of a
1910         conditional assignment.
1911         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1912         document that a COND_EXPR may appear there.
1913
1914 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
1915
1916         PR 23445
1917         * tree-vrp.c (extract_range_from_assert): If the new numeric
1918         range created out of the assertion contradicts the existing
1919         numeric range of the ASSERT_EXPR variable, make the new range
1920         varying.
1921
1922 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1923
1924         * config/sh/sh.c (sh_register_move_cost): Add case for moving
1925         from T_REGS to FP register class.
1926
1927 2005-10-03  Richard Henderson  <rth@redhat.com>
1928
1929         PR 24135
1930         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1931         before creating a new one.
1932
1933 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
1934
1935         * config/rs6000/t-aix43 (LDFLAGS): New.
1936         * config/rs6000/t-aix52 (LDFLAGS): New.
1937
1938 2005-10-03  Ian Lance Taylor  <ian@airs.com>
1939
1940         * gimplify.c (find_single_pointer_decl_1): New static function.
1941         (find_single_pointer_decl): New static function.
1942         (internal_get_tmp_var): For a formal variable, set restrict base
1943         information if appropriate.
1944         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1945         return it.
1946         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1947         (DECL_GET_RESTRICT_BASE): Define.
1948         (SET_DECL_RESTRICT_BASE): Define.
1949         (decl_restrict_base_lookup): Declare.
1950         (decl_restrict_base_insert): Declare.
1951         (struct tree_decl_with_vis): Add based_on_restrict_p field.
1952         * tree.c (restrict_base_for_decl): New static variable.
1953         (init_ttree): Initialize restrict_base_for_decl.
1954         (copy_node_stat): Copy restrict base information.
1955         (decl_restrict_base_lookup): New function.
1956         (decl_restrict_base_insert): New function.
1957         (print_restrict_base_statistics): New static function.
1958         (dump_tree_statistics): Call print_restrict_base_statistics.
1959
1960 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
1961
1962         PR 24142
1963         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1964         case of anti-ranges.
1965
1966 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
1967
1968         PR c/18851
1969         * c-typeck.c (tagged_tu_seen): Rename to ...
1970         (tagged_tu_seen_cache): this and add val field.
1971         (comptypes): Move functional to comptypes_internal
1972         and free tagged_tu_seen.
1973         (comptypes_internal): New function and call comptypes_internal
1974         instead of comptypes. Speed up by sibcalling
1975         tagged_types_tu_compatible_p.
1976         (alloc_tagged_tu_seen): New function
1977         (free_all_tagged_tu_seen_up_to): New function.
1978         (tagged_types_tu_compatible_p): Return the val of the seen two
1979         types.
1980         Add that the two types are the same to tagged_tu_seen_base
1981         if they are and call comptypes_internal instead of comptypes.
1982         <case UNION_TYPE>: Speed up common type where the fields are
1983         in the same order.
1984         (function_types_compatible_p): Call comptypes_internal instead of
1985         comptypes.
1986         (type_lists_compatible_p): Likewise.
1987         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1988
1989 2005-10-02  Matthias Klose  <doko@debian.org>
1990
1991         * doc/invoke.texi: Fix typo and speling error.
1992
1993 2005-10-01  Richard Henderson  <rth@redhat.com>
1994
1995         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1996
1997 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
1998
1999         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2000         using --start-group and --end-group.
2001
2002 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2003
2004         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2005         FIXME note regarding quirky semantics.
2006
2007 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2008
2009         PR 24141
2010         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2011         non-null range as a last resort.
2012
2013 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
2014             Diego Novillo  <dnovillo@redhat.com>
2015
2016         PR 23604
2017         * tree-vrp.c (extract_range_from_assert): For !=
2018         assertions, only build an anti-range if LIMIT is a
2019         single-valued range.
2020
2021 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2022
2023         * arm.md (movqi): On thumb when optimizing, handle loading from
2024         memory by describing this as taking a subreg of a zero-extended load
2025         into an SImode register.
2026         (movhi): Likewise.
2027
2028 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
2029
2030         * reload1.c (merge_assigned_reloads): Do not change any
2031         RELOAD_FOR_OUTPUT_ADDRESS reloads.
2032
2033 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
2034
2035         * Makefile.in (LIPO_FOR_TARGET): Define.
2036         (STRIP_FOR_TARGET): Define.
2037
2038         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2039         before creating new ones.  Do symlinks before creating the actual
2040         targets.
2041
2042         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2043         to work out which multilibs are actually being built.
2044
2045 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
2046
2047         * tree-vect-transform.c, config/ms1/ms1.md,
2048         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2049         Follow spelling conventions.
2050         * doc/invoke.texi, doc/md.texi: Fix typos.
2051
2052 2005-09-30  Andrew Macleod  <amacleod@redat.com>
2053
2054         PR tree-optimization/21430
2055         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2056         use operands, and set stmt pointer if need be.
2057         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2058         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2059         present.
2060
2061 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2062
2063         PR middle-end/24053
2064         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2065
2066 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
2067
2068         * optabs.c (expand_binop): Initialize first_pass_p.
2069
2070 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
2071
2072         PR middle-end/24109
2073         * c-decl.c (c_write_global_declarations_1): If any
2074         wrapup_global_declaration_2 call returned true, restart the loop.
2075
2076 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
2077
2078         Fix PR tree-optimization/24117
2079         * tree-ssa-structalias.c (find_func_aliases): Strip nops
2080         before considering whether to use anyoffset.
2081
2082 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2083
2084         Revert this patch:
2085
2086         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2087
2088         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2089         to order operands.
2090         (swap_commutative_operands_with_target): New.
2091
2092 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2093
2094         PR c/21419
2095         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2096         read-only.
2097
2098 2005-09-29  Steven Bosscher  <stevenb@suse.de>
2099
2100         PR tree-optimization/23911
2101         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2102         and IMAGPART_EXPR too.
2103
2104 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
2105
2106         PR 17886
2107         * expmed.c (expand_shift): Move logic to reverse rotation
2108         direction when  rotating by constants ...
2109         * optabs.c (expand_binop): ... here.
2110         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2111         (ix86_rotrdi3): New pattern.
2112         (rotldi3): Handle 32-bit mode.
2113         (ix86_rotldi3): New pattern.
2114
2115 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
2116
2117         PR target/24102
2118         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2119         check for numbers that need no bit twiddle.
2120
2121 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
2122
2123         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2124         multilib to be built.
2125
2126         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2127         (stage1-start): Delete old libgcc and libunwind before moving
2128         anything into the stage directory.
2129         (stage2-start): Likewise.
2130         (stage3-start): Likewise.
2131         (stage4-start): Likewise.
2132         (stageprofile-start): Likewise.
2133         (stagefeedback-start): Likewise.
2134         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2135         header in tm_file and CPU-specific t-darwin in tmake_file.
2136         (i[34567]86-*-darwin*): Don't change tm_file.
2137         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2138         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2139         shared library stub for target OS version.
2140         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2141         (SHLIB_LINK): Don't make SHLIB_SOLINK.
2142         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2143         (libgcc_s.%.dylib): New.
2144         (LIBGCC): Define.
2145         (install-darwin-libgcc-stubs): New.
2146         (INSTALL_LIBGCC): New append.
2147         * config/i386/darwin-libgcc.10.4.ver: New.
2148         * config/i386/darwin-libgcc.10.5.ver: New.
2149         * config/i386/t-darwin: New.
2150         * config/rs6000/darwin-libgcc.10.4.ver: New.
2151         * config/rs6000/darwin-libgcc.10.5.ver: New.
2152         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2153         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2154
2155 2005-09-28  Paul Brook  <paul@codesourcery.com>
2156
2157         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2158         denormals.
2159
2160 2005-09-28  Richard Guenther  <rguenther@suse.de>
2161
2162         PR tree-optimization/23853
2163         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2164         host_integerp to verify misalignment value.
2165
2166 2005-09-28  Richard Henderson  <rth@redhat.com>
2167
2168         * builtins.c (get_builtin_sync_mode): New.
2169         (expand_builtin_sync_operation): Pass in mode argument.
2170         (expand_builtin_compare_and_swap): Likewise.
2171         (expand_builtin_lock_test_and_set): Likewise.
2172         (expand_builtin_lock_release): Likewise.
2173         (expand_builtin): Update to match.
2174
2175 2005-09-28  Nick Clifton  <nickc@redhat.com>
2176
2177         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2178         formatting.  Add check to PLUS case to ensure that the offset is
2179         within an acceptable range.
2180
2181         * config/v850/v850.md (casesi): Disable the generation of the
2182         switch pattern as it is not being handled properly at the moment.
2183
2184         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2185         for when the high words are identical.
2186
2187 2005-09-27  Richard Henderson  <rth@redhat.com>
2188
2189         * pretty-print.c (pp_base_format): Fix typo for %>.
2190
2191 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
2192             Devang Patel  <dpatel@apple.com>
2193
2194         PR tree-optimization/23625
2195         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2196         LABEL_EXPR, assertion check.
2197
2198 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
2199
2200         * optabs.c (no_conflict_move_test): Check if a result of a
2201         to-be-moved insn would be clobbered by an originally
2202         preceding insn.
2203
2204 2005-09-27  Jeff Law  <law@redhat.com>
2205
2206         * passes.c (init_optimization_passes): Replace copy propagation
2207         passes immediately after DOM with phi-only copy propagation
2208         pases.  Add phi-only copy propagation pass after first DOM pass.
2209         * tree-pass.h (pass_phi_only_copy_prop): Declare.
2210         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2211         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2212         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
2213         to init_copy_prop.  Callers updated.
2214         (do_phi_only_copy_prop): New function.
2215         (pass_phi_only_copy_prop): New pass descriptor.
2216
2217 2005-09-27  Nick Clifton  <nickc@redhat.com>
2218
2219         * libgcc2.c (__popcount_tab): Remove redundant prototype.
2220
2221 2005-09-26  Jason Merrill  <jason@redhat.com>
2222
2223         PR c++/13764
2224         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2225
2226         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2227
2228 2005-09-26  James E Wilson  <wilson@specifix.com>
2229
2230         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2231         copyright.  Add gcc copyright plus libgcc exception.
2232         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
2233         copyright.
2234         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2235
2236 2005-09-26  Jeff Law  <law@redhat.com>
2237
2238         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2239         about when to iterate.
2240
2241 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
2242
2243         PR target/23847
2244         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2245         for __complex__ double in -mcpu=G5 mode.
2246
2247 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
2248
2249         PR tree-optimization/23942
2250         * Makefile.in (SCEV_H): Depends on PARAMS_H.
2251         * tree-scalar-evolution.c: Include params.h.
2252         (t_bool): New enum.
2253         (follow_ssa_edge, follow_ssa_edge_in_rhs,
2254         follow_ssa_edge_in_condition_phi_branch,
2255         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2256         Change return type to t_bool.  Use a parameter to limit the size of
2257         trees that are walked before stopping
2258         (analyze_evolution_in_loop): Initialize the limit to 0.
2259         (follow_ssa_edge): Give up by returning t_dont_know if the limit
2260         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2261
2262 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2263
2264         PR middle-end/23831
2265         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2266         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2267
2268 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
2269
2270         * combine.c (make_extraction): Check for valid use of subreg.
2271
2272 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2273
2274         PR target/24055
2275         * config/i386/i386.md ("*fistdi2_1"): New pattern.
2276         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2277         ("fist<mode>2_with_temp"): Use only register operands.
2278
2279 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
2280
2281         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2282         CALL_INSN_FUNCTION_USAGE.
2283
2284 2005-09-26  Richard Guenther  <rguenther@suse.de>
2285
2286         PR middle-end/15855
2287         * gcse.c: Include hashtab.h, define ldst entry hashtable.
2288         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2289         (ldst_entry): Use the hashtable instead of list-walking.
2290         (find_rtx_in_ldst): Likewise.
2291         (free_ldst_entry): Free the hashtable.
2292         (compute_ld_motion_mems): Create the hashtable.
2293         (trim_ld_motion_mems): Remove entry from hashtable if
2294         removing it from list.
2295         (compute_store_table): Likewise^2.
2296         (store_motion): Free hashtable in case we did not see
2297         any stores.
2298
2299 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
2300
2301         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2302         and arg1 if we are passing them to fold_build2.
2303
2304 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
2305
2306         PR 23828
2307         * config/i386/i386.c (ix86_function_regparm): Fix the test for
2308         a nested function.
2309
2310 2005-09-25  Richard Henderson  <rth@redhat.com>
2311
2312         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2313         SYMBOL_REF_TLS_MODEL to be correct.
2314
2315 2005-09-24  Richard Henderson  <rth@redhat.com>
2316
2317         * ipa-type-escape.c (discover_unique_type): Remove dead code at
2318         end of function.  Reindent.
2319
2320 2005-09-24  Ian Lance Taylor  <ian@airs.com>
2321
2322         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2323         NEGATE_EXPR/BIT_NOT_EXPR case.
2324
2325 2005-09-24  Richard Henderson  <rth@redhat.com>
2326
2327         * c-common.c (handle_mode_attribute): When not modifying in place,
2328         create subtypes for enumerations.
2329         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2330         * gimplify.c (create_tmp_from_val): Likewise.
2331
2332 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
2333
2334         * config/i386/i386.md (*tls_global_dynamic_64,
2335         *tls_local_dynamic_base_64): Add missing mode to call.
2336         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2337
2338 2005-09-24  Jan Hubicka  <jh@suse.cz>
2339
2340         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2341         (cgraph_clone_node): Likewise.
2342         * cgraph.h (cgraph_clone_edge): Update prototype.
2343         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2344         duplicated prototypes; add updating argument.
2345         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2346         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2347         updating profile.
2348         (cgraph_mark_inline_edge): Likewise.
2349         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2350         (cgraph_flatten_node): Likewise.
2351         (cgraph_decide_recursive_inlining): Likewise.
2352         (cgraph_decide_inlining_of_small_function): Likewise.
2353         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2354
2355 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2356             Pete Steinmetz <steinmtz@us.ibm.com>
2357
2358         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2359         (rldic.): Set type to "compare".
2360         (rldicr.): Same.
2361         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
2362         mfjmpr for MFCTR/MFLR.
2363         (movdf_hardfloat64): Same.
2364         (movdf_softfloat64): Same.  Correct order of store and move types.
2365         (movti_string): Set type to store_ux/load_ux.
2366         (load_multiple): Set type to load_ux.
2367         (store_multiple): Set type to store_ux.
2368         (movmemsi): Set type to store_ux.
2369         (output_cbranch direct_return): Set type to jmpreg.
2370         (stmw): Set type to store_ux.
2371         (lmw): Set type to load_ux.
2372         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2373         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2374         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2375         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2376         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2377         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2378         (rios1-fpstore): Increase latency to 3.
2379         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2380         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2381
2382 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2383             Andrew Pinski  <pinskia@physics.uc.edu>
2384
2385         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2386         operand2 constraint to "b".
2387         (sync_<fetchop_name>di_internal): Same.
2388         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2389         to "b".
2390         (sync_old_<fetchop_name>di_internal): Same.
2391         (sync_new_<fetchop_name>si_internal): Same.
2392         (sync_new_<fetchop_name>di_internal): Same.
2393
2394 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2395
2396         PR middle-end/23991
2397         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2398         case, define as macros.
2399
2400         PR rtl-optimization/23837
2401         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
2402         clobber / clobber match between dest and p->first.
2403
2404         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2405         (no_conflict_move_test): Update comments.
2406
2407 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2408
2409         * doc/install.texi: Update URL for Jacks.
2410         * doc/sourcebuild.texi: Likewise.
2411
2412 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
2413
2414         PR target/24007
2415         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2416         registers when choosing register preferences.
2417         (movdf_hardfloat64): Same.
2418
2419 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2420
2421         * expmed.c (expand_shift): Don't use the target of the rotate as
2422         target for the first expanded shift insn.
2423         * testsuite/gcc.dg/20050922-1.c: Testcase added.
2424
2425 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
2426
2427         PR tree-optimization/22438
2428         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2429         preserved iv rhs rewriting specially.
2430
2431 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
2432
2433         * tree-data-ref.c (analyze_array_indexes): Only estimate when
2434         estimate_only  is true.
2435         * tree-flow.h (ref_contains_indirect_ref): New prototype.
2436         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2437         tree-ssa-structalias.c
2438         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2439         ref_contains_indirect_ref.
2440         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2441
2442 2005-09-21  DJ Delorie  <dj@redhat.com>
2443
2444         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2445         MASK_PTR_A0D0.
2446         (mn10300_return_in_memory): Support variable size types also.
2447         (mn10300_pass_by_reference): Likewise.
2448         (mn10300_function_value): New.
2449         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2450         (FUNCTION_OUTGOING_VALUE): Likewise.
2451         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2452         * doc/invoke.texi: Document it.
2453
2454 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
2455
2456         PR target/22585
2457         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2458         force integer op1 into register for XFmode compares.
2459
2460 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2461
2462         PR middle-end/23971
2463         * expmed.c (alg_code): Add alg_impossible.
2464         (alg_hash_entry): Add cost.
2465         (synth_mult): Record alg_impossible in the hash table if
2466         multiplication by a given integer is impossble within the
2467         limit.  Speed up using alg_impossible.
2468
2469 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2470
2471         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2472         argument.  Allow and set any offset if needs_anyoffset is passed
2473         in.
2474         (get_constraint_for): Add argument here too.
2475         Pass it down.
2476         (do_structure_copy): Pass NULL to get_constraint_for.
2477         (handle_ptr_arith): Ditto.
2478         (find_func_aliases): Ditto.
2479
2480 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
2481
2482         PR rtl-optimization/23898
2483         * output.h (get_attr_min_length): Declare.
2484         * final.c (get_attr_length_1): New function, broken out of:
2485         (get_attr_length).
2486         (get_attr_min_length): New function.
2487         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2488         (duplicate_computed_gotos): Likewise.
2489         * genattr.c (insn_min_length): Generate declaration.
2490         * genattrtab.c (min_fn, min_attr_value): New functions.
2491         (make_length_attrs): Generate insn_min_length.
2492
2493 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
2494
2495         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2496
2497 2005-09-20  Richard Henderson  <rth@redhat.com>
2498
2499         PR tree-optimization/24059
2500         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2501         EXPAND_STACK_PARM.
2502
2503 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
2504
2505         * c.opt (fextended-identifiers): New.
2506         * c-opts.c (c_common_handle_option): Handle
2507         -fextended-identifiers.
2508         * doc/cpp.texi: Update documentation of extended identifiers.
2509         * doc/cppopts.texi (-fextended-identifiers): Document.
2510
2511 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
2512
2513         PR tree-optimization/23929
2514         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2515         if expr is NULL.
2516
2517         PR tree-optimization/23818
2518         * tree-stdarg.c (execute_optimize_stdarg): Call
2519         calculate_dominance_info.
2520
2521 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2522
2523         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2524         (analyze_siv_subscript_cst_affine): Add weak SIV test.
2525         (compute_overlap_steps_for_affine_1_2): Use
2526         get_number_of_iters_for_loop.
2527         (analyze_subscript_affine_affine): Check whether difference is
2528         zero first.
2529         Use get_number_of_iters_for_loop.
2530         Check whether overlap occurs outside of bounds.
2531         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2532
2533 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
2534
2535         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2536         base register if possible.
2537
2538 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
2539
2540         PR tree-optimization/18463
2541         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2542         converting it directly is not possible.
2543         (chrec_convert_aggressive): New function.
2544         * tree-chrec.h (chrec_convert_aggressive): Declare.
2545         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2546         Fold chrec conversions aggressively if asked to.
2547         (instantiate_parameters): Modified because of changes in
2548         instantiate_parameters_1.
2549
2550 2005-09-19  Richard Henderson  <rth@redhat.com>
2551
2552         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2553         (reduc_splus_v2df): New.
2554
2555 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
2556
2557         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2558         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
2559
2560 2005-09-19  Richard Henderson  <rth@redhat.com>
2561
2562         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2563         vcondu<SSEMODE12>.
2564
2565 2005-09-19  Richard Henderson  <rth@redhat.com>
2566
2567         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2568         (ia64_expand_dot_prod_v8qi): New.
2569         * config/ia64/ia64-protos.h: Update.
2570         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2571         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2572         sdot_prodv8qi, sdot_prodv4hi): New.
2573         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2574
2575 2005-09-19  Richard Henderson  <rth@redhat.com>
2576
2577         PR 23941
2578         * real.c (exact_real_truncate): Return false if the format cannot
2579         represent the number as a normal.
2580
2581         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2582         for a memory source.
2583
2584 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
2585
2586         * tree-ssa-operands.c (swap_tree_operands): Export.
2587         * tree.h (swap_tree_operands): Declare.
2588         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2589         Call swap_tree_operands.
2590
2591 2005-09-19  Richard Henderson  <rth@redhat.com>
2592
2593         * tree-flow.h (merge_alias_info): Declare.
2594         * tree-ssa-copy.c (merge_alias_info): Export.
2595         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2596         (vect_create_data_ref_ptr): Use create_iv directly.
2597         (vectorizable_load): Use correct types for integer constants.
2598         (vect_generate_tmps_on_preheader): Likewise.
2599         (vect_gen_niters_for_prolog_loop): Likewise.
2600
2601 2005-09-19  Steven Bosscher  <stevenb@suse.de>
2602
2603         PR rtl-optimization/23943
2604         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2605
2606 2005-09-18  Jan Hubicka  <jh@suse.cz>
2607
2608         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2609
2610 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
2611
2612         * varasm.c (output_constant): Do not abort on conversions to union
2613         types between different sizes.
2614
2615 2005-09-18  Richard Guenther  <rguenther@suse.de>
2616
2617         PR middle-end/23944
2618         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2619         fallback.
2620
2621 2005-09-18  Paul Brook  <paul@codesourcery.com>
2622
2623         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2624
2625 2005-09-17  Richard Henderson  <rth@redhat.com>
2626
2627         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2628         * tree-ssa-loop.c (pass_vect_dce): Remove.
2629         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2630         of pass_vectorize.
2631
2632 2005-09-17  Richard Henderson  <rth@redhat.com>
2633
2634         * tree-pass.h (pass_vect_dce): Declare.
2635         * passes.c (init_optimization_passes): Add it.
2636         * tree-flow.h (tree_ssa_dce): Declare.
2637         * tree-ssa-dce.c (tree_ssa_dce): Export.
2638         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2639         (gate_tree_vectorize): ... here.
2640         (pass_vect_dce): New.
2641
2642 2005-09-17  Jan Hubicka  <jh@suse.cz>
2643
2644         * except.c (struct eh_status): Turn region_array into vec.
2645         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2646         convert_from_eh_region_ranges, find_exception_handler_labels,
2647         current_function_has_exception_handlers, assign_filter_values,
2648         build_post_landing_pads, dw2_build_landing_pads,
2649         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2650         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2651         foreach_reachable_handler, can_throw_internal_1,
2652         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2653         region_array.
2654         (duplicate_eh_region_1): Update region_array.
2655         (duplicate_eh_regions): Resize region_array and avoid recomputing.
2656
2657 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
2658
2659         PR middle-end/22067
2660         * expmed.c (expand_mult): Substitute simple register for op0 when
2661         computing max_cost.
2662
2663 2005-09-17  Richard Henderson  <rth@redhat.com>
2664
2665         * expr.c (emit_move_via_integer): Add force argument, pass it on
2666         to emit_move_change_mode.  Update callers.
2667         (emit_move_complex): Pass true to new force argument.
2668         * function.c (expand_function_end): Move expand_eh_return call
2669         earlier.  Merge sub-word complex values into a pseudo before
2670         copying to the return hard register.
2671
2672 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
2673
2674         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2675         between different sizes.
2676
2677 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
2678
2679         PR 23903
2680
2681         * passes.c (init_optimization_passes): Register dump files for
2682         IPA passes first.
2683
2684 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2685
2686         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2687         * config/s390/s390.c (s390_overlap_p): New function.
2688         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2689         peephole2, "*xc" peephole2): Added overlap check to the peephole2
2690         condition.
2691
2692 2005-09-16  Richard Guenther  <rguenther@suse.de>
2693
2694         * ipa-pure-const.c (static_execute): Free auxiliar information.
2695         * ipa-type-escape.c (discover_unique_type): Free temporary key.
2696         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2697
2698 2005-09-15  DJ Delorie  <dj@redhat.com>
2699
2700         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2701
2702 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2703
2704         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2705         to order operands.
2706         (swap_commutative_operands_with_target): New.
2707
2708 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
2709
2710         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2711         parameter.
2712         Update callers.
2713         (estimate_iters_using_array): New function.
2714         * tree-data-ref.h (estimate_iters_using_array): Prototype
2715         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2716         Use estimate_iters_using_array instead of analyze_array.
2717
2718 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2719
2720         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2721         as addressable.
2722
2723 2005-09-15  Michael Matz  <matz@suse.de>
2724
2725         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2726
2727 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
2728
2729         PR tree-optimization/23835
2730         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2731         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2732
2733 2005-09-14  Richard Henderson  <rth@redhat.com>
2734
2735         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2736         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2737
2738 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
2739
2740         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2741         in the ARRAY_TYPE case.
2742
2743 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
2744
2745         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2746
2747 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
2748
2749         PR middle-end/22480
2750         * tree-vect-transform.c (vectorizable_operation): Return false for
2751         scalar shift operations and for vector shift operations with
2752         non-invariant shift arguments.  Use scalar tree operand op1 as
2753         a shift operand when vector shift insn pattern uses scalar shift
2754         operand.
2755         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2756
2757 2005-09-14  Olivier Hainque  <hainque@adacore.com>
2758
2759         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2760         value if it has side-effects.
2761
2762 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
2763
2764         PR target/22068
2765         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2766
2767 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
2768
2769         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2770         passed as NAME as if it were label at start of function code.
2771
2772 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
2773
2774         * config/sh/sh.md (*movv4sf_i): Add general register cases to
2775         the constraints.
2776
2777 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2778
2779         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2780         as early clobber.  Rewrite so the PIC register is not implicitly used.
2781
2782 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2783
2784         * tree.c (annotate_with_file_line): Compare line numbers before
2785         file names.
2786
2787 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
2788
2789         PR target/23816
2790         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2791         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2792
2793 2005-09-13  Ian Lance Taylor  <ian@airs.com>
2794
2795         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2796         than a HOST_WIDEST_INT to gen_doloop_begin.
2797
2798 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
2799
2800         * tree-dfa.c (dump_variable): Guard against NULL annotations.
2801
2802 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
2803
2804         PR tree-optimize/23817
2805         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2806
2807 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
2808
2809         PR target/23774
2810         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2811         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
2812         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2813         (restore_stack_nonlocal): Likewise.
2814         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2815
2816 2005-09-12  Ian Lance Taylor  <ian@airs.com>
2817
2818         PR g++/7874
2819         * c.opt (ffriend-injection): New C++ option.
2820         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2821         (C++ Dialect Options): Document -ffriend-injection.
2822
2823 2005-09-12  Josh Conner  <jconner@apple.com>
2824
2825         PR middle-end/23237
2826         * ipa-reference.c (static_execute): Don't mark variables in
2827         named sections TREE_READONLY.
2828
2829 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2830
2831         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2832         stack_tie.
2833
2834 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
2835
2836         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2837         V_MUST_DEF instead of just the first_use_p.
2838         Don't mark the virtual variables for renaming on the statement which
2839         is being removed.
2840         (pass_dse): Remove TODO_update_ssa.
2841
2842 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
2843
2844         PR middle-end/23290
2845         * stor-layout.c (compute_record_mode): For records with a single
2846         field, actually check the field's mode size against the type size.
2847
2848         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2849         registers for TARGET_SHMEDIA.
2850         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2851         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
2852         of GENERAL_REGS and FP_REGS.
2853
2854 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2855
2856         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2857
2858 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2859
2860         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2861         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2862         are omitted.  Exclude stack_tie insn too.
2863
2864 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
2865
2866         PR rtl-optimization/23098
2867         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2868         0.0f is easy.
2869         * config/rs6000/rs6000.md (movdf splitter): Use
2870         const_double_operand predicate for TARGET_POWERPC64.
2871         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2872         SYMBOL_REF method to ABI_V4.
2873
2874         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2875         replace_equiv_address.
2876         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2877         rs6000_sr_alias_set and MEM_NOTRAP.
2878         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2879
2880 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
2881
2882         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2883         handle CALL_EXPR again.
2884
2885 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2886
2887         * arm/predicates.md (alignable_memory_operand): Delete.
2888
2889 2005-09-10  Richard Henderson  <rth@redhat.com>
2890
2891         PR debug/23806
2892         * dbxout.c (dbxout_expand_expr): New.
2893         (dbxout_symbol): Use it.
2894
2895 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
2896
2897         * arm.c (arm_gen_rotated_half_load): Delete.
2898         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2899         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2900         (thumb_set_return_address): Likewise.
2901         (thumb_load_double_from_address): Use adjust_address.
2902         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2903         (extendhsisi2_mem, movhi_bytes): Use change_address.
2904         (movhi): Use widen_memory_access.
2905         (reload_out_df): Use replace_equiv_address.
2906         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2907
2908 2005-09-09  Richard Henderson  <rth@redhat.com>
2909
2910         PR debug/20998
2911         * dbxout.c: Include expr.h.
2912         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2913         (dbxout_symbol): Handle DECL_VALUE_EXPR.
2914         * Makefile.in (dbxout.o): Add EXPR_H.
2915
2916 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
2917
2918         PR tree-optimization/23509
2919         * tree-cfg.c (replace_uses_by): Use replace_exp.
2920         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2921         pointers have name_mem_tag or type_mem_tag set.
2922
2923 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2924
2925         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2926         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2927         of wrongly accessing operands.
2928
2929 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2930
2931         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2932         * tree-chrec.c: Include tree-scalar-evolution.h.
2933         (chrec_convert): Instantiate the base and step before calling
2934         scev_probably_wraps_p that would fail on parametric evolutions.
2935         Collect all the fails into a single section failed_to_convert,
2936         print a diagnostic, and return chrec_dont_know instead of calling
2937         fold_convert.
2938         * tree-scalar-evolution.c (loop_closed_phi_def): New.
2939         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2940         phi nodes.
2941         (scev_const_prop): Don't replace the definition of a loop closed ssa
2942         phi node by itself, or by another loop closed ssa phi node.
2943         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2944         that base and step are defined.
2945
2946 2005-09-09  Richard Guenther  <rguenther@suse.de>
2947
2948         PR c++/23624
2949         * fold-const.c (fold_ternary): Check truth_value_p before
2950         calling invert_truthvalue.
2951
2952 2005-09-09  Nick Clifton  <nickc@redhat.com>
2953
2954         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2955         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2956         dimension of these arrays.
2957         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2958         these arrays.
2959         * longlong.h: Only provide a prototype for the __clz_tab[] array
2960         if this header has not been included from libgcc2.h.
2961         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2962         defining own types.
2963         Provide prototypes for exported functions.
2964         Use the __clz_tab[] and __popcount_tab[] arrays provided by
2965         libgcc2.c.
2966
2967 2005-09-08  Josh Conner  <jconner@apple.com>
2968
2969         PR c++/21135
2970         PR c++/23180
2971         * expr.c (expand_expr_addr_expr_1): Don't invoke
2972         expand_simple_binop for EXPAND_INITIALIZER.
2973
2974 2005-09-08  Richard Henderson  <rth@redhat.com>
2975
2976         PR debug/23190
2977         * toplev.c (wrapup_global_declaration_1): Split out ...
2978         (wrapup_global_declaration_2): ... from ...
2979         (wrapup_global_declarations): ... here.  Return bool.
2980         (check_global_declaration_1): Split out ...
2981         (check_global_declarations): from here.
2982         (emit_debug_global_declarations): New.
2983         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2984         check_global_declaration_1, emit_debug_global_declarations): Declare.
2985         * c-decl.c (c_write_global_declarations_1): Don't create a vector
2986         of decls.  Call wrapup_global_declaration_1,
2987         wrapup_global_declaration_2, check_global_declaration_1 directly.
2988         (c_write_global_declarations_2): New.
2989         (ext_block): New.
2990         (c_write_global_declarations): Call c_write_global_declarations_2.
2991         * langhooks.c (write_global_declarations): Call
2992         emit_debug_global_declarations.
2993
2994         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2995         remove decls that have DECL_RTL_SET_P.
2996         * passes.c (rest_of_decl_compilation): Invoke
2997         cgraph_varpool_finalize_decl for all but functions.
2998
2999 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3000
3001         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3002         the result of a conversion if the new min and max cannot be compared.
3003
3004 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
3005
3006         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3007         (override_options): Setting s390_sr_alias_set removed.
3008         (save_fpr, save_gprs): Set alias set to vararg or frame.
3009         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3010         s390_sr_alias_set with get_frame_alias_set ().
3011         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3012         get_varargs_alias_set ().
3013
3014 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3015
3016         PR objc/20574
3017         PR objc/19324
3018         * c-parser.c (c_parser_objc_method_definition): If the next
3019         token is not "{", error out and don't start the function.
3020
3021 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3022
3023         * tree-vrp.c (extract_range_from_expr): Move the check for non
3024         nullness after the check for gimple invariant.
3025
3026 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3027
3028         * tree.c (host_integerp, tree_low_cst): Correct function comment.
3029
3030 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3031
3032         PR target/23747
3033         * config/m32r.md (movmemsi_internal): Canonicalize order of
3034         operands in PLUS component of template.
3035
3036 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3037
3038         * reload1.c (fixup_eh_region_note): Remove assertion.
3039         (fixup_abnormal_edges): Reverted removal of call to
3040         find_many_sub_basic_blocks made on 2005-08-31.
3041
3042 2005-09-07  Richard Henderson  <rth@redhat.com>
3043
3044         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3045         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3046         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3047         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3048         rearrange for better packing.
3049         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3050         (lookup_cfa_1): Remove inline marker.
3051         (cfa_equal_p): Split out of ...
3052         (def_cfa_1): ... here.  Use INVALID_REGNUM.
3053         (build_cfa_loc): Handle !cfa->indirect.
3054         (frame_pointer_cfa_offset): New.
3055         (dbx_reg_number): Assert register elimination performed; do
3056         leaf register remapping.
3057         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3058         (eliminate_reg_to_offset): New.
3059         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
3060         for verifiably local stack frame addresses; re-base to CFA.
3061         (mem_loc_descriptor): Remove can_use_fbreg argument.
3062         (concat_loc_descriptor, loc_descriptor): Likewise.
3063         (containing_function_has_frame_base): Remove.
3064         (rtl_for_decl_location): Don't do register elimination or
3065         leaf register remapping here.
3066         (secname_for_decl): Split out from ..
3067         (add_location_or_const_value_attribute): ... here.
3068         (convert_cfa_to_loc_list): New.
3069         (compute_frame_pointer_to_cfa_displacement): New.
3070         (gen_subprogram_die): Use them.
3071         * tree.h (frame_base_decl): Remove.
3072         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3073         (prologue_stack_adjust): Remove.
3074         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3075         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3076         (set_frame_base_location): Remove.
3077         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3078         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3079         (vt_add_function_parameters): Don't eliminate_regs.
3080         (vt_initialize): Don't create frame_base_decl.
3081
3082 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3083
3084         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3085         version of GNU binutils for 4.x and later.
3086
3087 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
3088
3089         * ggc-page.c (ggc_push_context): Remove.
3090         (ggc_pop_context): Likewise.
3091         * ggc.h (ggc_push_context): Remove.
3092         (ggc_pop_context): Likewise.
3093
3094 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3095
3096         PR target/8973
3097         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3098         returning from an interrupt handler.
3099
3100 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3101
3102         PR target/8972
3103         * config/arc/arc.c (output_shift): Add check for loop count when
3104         optimizing.
3105
3106 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3107
3108         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3109         form manually.
3110         (abs_replacement): Likewise.
3111         (pass_phiopt): Remove TODO_update_ssa.
3112
3113 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3114
3115         PR c/23075
3116         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3117         if "return with no value, in function returning non-void" warning
3118         has been issued.
3119         * tree-cfg.c (execute_warn_function_return): Don't look at
3120         RETURN_EXPRs with TREE_NO_WARNING set.
3121
3122         PR target/22362
3123         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3124         for internal functions doesn't use registers used by global registers
3125         variables.  Use fewer register parameters if there are global register
3126         variables.
3127
3128 2005-09-06  Olivier Hainque  <hainque@adacore.com>
3129             Eric Botcazou  <ebotcazou@adacore.com>
3130
3131         PR middle-end/14997
3132         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3133         when we would be extracting outside its bit span (bitpos+bitsize
3134         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3135         Ada unchecked conversions.
3136
3137 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3138
3139         * tree-ssa-pre.c (try_look_through_load): New function.
3140         (compute_avail): Use it to try to look through loads for some
3141         more useful expressions.
3142
3143 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3144
3145         * simplify-rtx.c (simplify_binary_operation_1): Correct the
3146         condition for detecting cases like (a&a) and (a^a).
3147
3148 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
3149
3150         * common.opt: Add option ftree-vect-loop-version.
3151         * params.def: Add --param vect-max-version-checks.
3152         * doc/invoke.texi: Document ftree-vect-loop-version and
3153         --param vect-max-version-checks.
3154         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3155         may_misalign_stmts and defines for accessors.
3156         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3157         LOOP_VINFO_MAY_MISALIGN_STMTS.
3158         (destroy_loop_vec_info): VEC_free for
3159         LOOP_VINFO_MAY_MISALIGN_STMTS.
3160         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3161         Update documentation.
3162         (vect_update_misalignment_for_peel): New.
3163         (vect_enhance_data_refs_alignment): Update to choose loop
3164         peeling or loop versioning if appropriate for the (potentially)
3165         unaligned data references in the loop.
3166         (vect_analyze_data_refs_alignment): Remove call to
3167         vect_enhance_data_refs_alignment so the checks can be done
3168         earlier.
3169         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3170         and move up call to vect_analyze_data_refs_alignment.
3171         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3172         (vect_transform_loop): Add call to loop_version.
3173
3174 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3175
3176         PR rtl-optimization/23098
3177         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3178         * simplify-rtx.c (constant_pool_reference_p): New function.
3179         * rtl.h (constant_pool_reference_p): New prototype.
3180         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3181         constant_pool_reference_p in condition and
3182         avoid_constant_pool_reference in preparation statements.
3183
3184 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3185
3186         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3187         STRICT_LOW_PART SETs.
3188
3189 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
3190
3191         PR middle-end/21460
3192         * except.c (sjlj_emit_function_enter): Find the function begin
3193         note even when it's not in first basic block.
3194
3195 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
3196
3197         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
3198         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3199         * aclocal.m4: Regenerate.
3200
3201 2005-09-05  DJ Delorie  <dj@redhat.com>
3202
3203         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3204         of macro.
3205
3206 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
3207
3208         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3209         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3210         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3211         Follow spelling conventions.
3212         * doc/invoke.texi: Follow spelling conventions.
3213
3214 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3215
3216         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3217         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3218         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3219
3220 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3221
3222         PR target/23683
3223         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3224         (output_stack_adjust): Use gen_tmp_stack_mem.
3225         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3226         (sh_set_return_address, sh_allocate_initial_value): Likewise.
3227         (sh_get_pr_initial_val): Likewise.
3228         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3229         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
3230         * sh.md (divsi_inv_m0): Use gen_const_mem.
3231         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3232         (movdf_i4+1): Use gen_tmp_stack_mem.
3233         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3234         (fpu_switch+2): Likewise.
3235         (movv4sf_i, movv16sf_i): Use adjust_address.
3236         (symGOT_load): Set MEM_NOTRAP_P bit.
3237
3238 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3239
3240         PR target/23721
3241         * pa.c (emit_move_sequence): Fix typo in last change.
3242
3243 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
3244
3245         PR rtl-optimization/23454
3246         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3247         is true.
3248
3249 2005-09-03  Richard Henderson  <rth@redhat.com>
3250             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3251
3252         PR middle-end/23671
3253         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3254         gen_rtx_MEM.
3255
3256 2005-09-02  Nicolas Pitre <nico@cam.org>
3257
3258         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3259         to bit_count to 32 bits.
3260
3261 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
3262
3263         PR c++/23167
3264         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3265         generating synthetic loads from volatile lvalues.
3266
3267 005-09-02  Nick Clifton  <nickc@redhat.com>
3268
3269         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3270         __ctzhi2, __clzhi2): New functions.
3271
3272 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
3273
3274         PR middle-end/23547
3275         * tree-nested.c (struct var_map_elt): Mark with GTY.
3276         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
3277         var_map_elt.
3278         (lookup_field_for_decl): Allocate new element in GC memory.
3279         (lookup_tramp_for_decl): Likewise.
3280         (convert_nl_goto_reference): Likewise
3281         (create_nesting_tree): Allocate info in GC memory. Likewise for
3282         info->var_map.
3283         (free_nesting_tree): Free with ggc_free instead of free.
3284         (root): New static variable.
3285         (lower_nested_functions): Remove root as local variable.  And zero out
3286         root at the end of the function.
3287
3288 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
3289
3290         PR rtl-optimization/20365
3291         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3292         to short.  New member ix.
3293         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3294         (simplify_plus_minus): Initialize ix members before calling qsort.
3295
3296 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
3297
3298         PR tree-optimization/23626
3299         * tree-cfg.c (replace_uses_by): Clean up eh info.
3300
3301 2005-09-01  DJ Delorie  <dj@redhat.com>
3302
3303         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3304         fprintf.
3305
3306 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
3307
3308         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3309         (rs6000_split_multireg_move): Use replace_equiv_address instead of
3310         gen_rtx_MEM.
3311
3312 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
3313
3314         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
3315         do not issue warning for a variable definition following
3316         a declaration.
3317
3318 2005-09-01  Richard Henderson  <rth@redhat.com>
3319
3320         PR 23668
3321         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3322         conversion to CONST_VECTOR.
3323
3324 2005-09-01  Richard Henderson  <rth@redhat.com>
3325
3326         PR 23676
3327         * reload1.c (reload_as_needed): Check !CALL_P before calling
3328         fixup_eh_region_note.
3329         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3330
3331 2005-09-01  DJ Delorie  <dj@redhat.com>
3332
3333         * varasm.c (output_constant): Let the target resolve
3334         conversions of addresses to non-default pointer sizes.
3335
3336 2005-09-01  Nicolas Pitre <nico@cam.org>
3337
3338         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3339         to alow matching ARM pre-indexed addressing mode.
3340         (arm_override_options): Remove now irrelevant comment.
3341
3342 2005-09-01  Phil Edwards  <phil@codesourcery.com>
3343
3344         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
3345         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
3346         * config/i386/vxworks.h:  Likewise.
3347         * config/i386/t-vxworksae:  New file, for VxWorks AE.
3348         * config/i386/vxworksae.h:  Likewise.
3349
3350 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
3351
3352         PR tree-optimization/23410
3353         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3354         sequence is not wrapping during the first step.
3355
3356 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3357
3358         PR debug/7241
3359         * dwarf2out.c (base_type_die): Compare char_type_node with
3360         TYPE_MAIN_VARIANT (type), not type.
3361
3362 2005-09-01  Richard Guenther  <rguenther@suse.de>
3363
3364         PR tree-optimization/15366
3365         * common.opt: Add -finline-functions-called-once.
3366         Put -fearly-inlining in alphabetically ordered place.
3367         * doc/invoke.texi: Document new option.
3368         * ipa-inline.c (cgraph_decide_inlining): Honour
3369         flag_inline_functions_called_once.
3370
3371 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3372
3373         PR rtl-optimization/23478
3374         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3375         (alloc_qty): Initialize it.
3376         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3377         (combine_regs): Combine also n_throwing_calls_crossed fields.
3378         (find_free_reg): Don't attempt to caller-save pseudos crossing
3379         calls that might throw.
3380         * global.c (struct allocno): Add throwing_calls_crossed field.
3381         (global_alloc): Revert 2005-08-22 change.  Initialize
3382         throwing_calls_crossed.
3383         (find_reg): Don't attempt to caller-save pseudos crossing calls that
3384         might throw.
3385
3386 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
3387
3388         PR target/23649
3389         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3390         (mask64_operand): Reinstate code prior to 2005-06-11 change.
3391         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3392         (and64_2_operand): Tweak to use predicate.
3393         (and_operand): Adjust for mask_operand changes.
3394         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3395         (print_operand): Likewise.
3396         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3397         (mask64_1or2_operand): Delete.
3398         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3399         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3400         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3401         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3402         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3403         (rotldi3_internal4): Likewise.
3404         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3405         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3406         (ashldi3_internal7): Likewise.
3407         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3408         (ashldi3_internal, ashldi3_internal9 split): Likewise.
3409         (anddi3 split): Don't match mask64_operand.
3410         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
3411         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
3412         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
3413         't' splitter predicate.
3414         (movdi_internal64 + 2): Revert 2005-06-11 change.
3415
3416 2005-08-31  DJ Delorie  <dj@redhat.com>
3417
3418         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3419         (m32c_asm_integer): Add support for 32 bit pointers.
3420
3421 2005-08-31  Richard Henderson  <rth@redhat.com>
3422
3423         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3424         component-like references for setting MEM_NOTRAP_P.
3425
3426         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3427         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3428
3429 2005-08-31  Richard Henderson  <rth@redhat.com>
3430
3431         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3432         into a pseudo before applying gen_lowpart.
3433
3434 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
3435
3436         * doc/install.texi (Specific): Update cctools version required
3437         for full functionality.
3438         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3439         linkers as -macosx_version_min.
3440
3441 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
3442
3443         PR target/21255
3444         * sh.c (print_operand, %R and %S): Add handling of floating point
3445         registers, memory, constants and invalid operands.
3446
3447 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
3448
3449         * ipa-pure-const.c: Change dump name.
3450
3451 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3452
3453         PR target/23570
3454         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3455         to "reg_or_0_operand".
3456         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3457
3458 2005-08-31  Dale Johannesen  <dalej@apple.com>
3459
3460         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
3461         loops that count down.
3462
3463 2005-08-31  Richard Henderson  <rth@redhat.com>
3464
3465         PR rtl-opt/23601
3466         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3467         (fixup_eh_region_note): New.
3468         (reload_as_needed): Call it.
3469         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3470         don't call find_many_sub_basic_blocks; call verify_flow_info.
3471         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3472         (keep_stack_depressed): Likewise.
3473         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3474
3475 2005-08-31  Richard Henderson  <rth@redhat.com>
3476
3477         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3478         fp return matching.
3479
3480 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
3481
3482         * expr.c (expand_expr_real_1): Compare size of address
3483         mode to target's address mode size in deciding expansion of
3484         the constant address.
3485
3486 2005-08-31  Richard Guenther  <rguenther@suse.de>
3487
3488         PR middle-end/23477
3489         * expr.c (all_zeros_p): New function.
3490         (expand_expr_real_1): Handle the case of an all-zero
3491         non-addressable constructor separately.
3492
3493 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
3494
3495         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3496         arguments, adjust all callers.
3497         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3498
3499 2005-08-30  Richard Henderson  <rth@redhat.com>
3500
3501         PR target/23630
3502         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3503         whenever the mode sizes match.
3504
3505 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
3506
3507         * calls.c (load_register_parameters): Fix comment typo.
3508         * expr.c (emit_push_insn): Comment formatting.
3509
3510 2005-08-30  Ian Lance Taylor  <ian@airs.com>
3511
3512         * config/i386/x-cygwin (host-cygwin): Change dependency from
3513         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3514
3515 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
3516
3517         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3518         parts of 'vals'.
3519
3520 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3521
3522         PR middle-end/23408
3523         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3524         call to ggc_collect.
3525
3526 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
3527
3528         PR bootstrap/21268
3529         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3530         beginning.  Remove $(INCLUDES) from all the rules, if following
3531         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3532
3533 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
3534
3535         PR middle-end/23484
3536         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3537         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3538         not constant, but maxlen is, don't set len to maxlen, rather
3539         set maxlen to len if len is a constant.
3540
3541 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
3542
3543         PR tree-optimization/23475
3544         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3545         and counts.
3546
3547 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
3548
3549         Fix PR middle-end/22455
3550
3551         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3552         Checksum only the parts of the tree that exist for the tree code.
3553
3554 2005-08-28  Dale Johannesen  <dalej@apple.com>
3555
3556         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
3557
3558 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
3559
3560         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3561
3562 2005-08-28  Richard Henderson  <rth@redhat.com>
3563
3564         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3565         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3566         of char_type_node.
3567
3568 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
3569
3570         PR ada/23593
3571         * builtins.c (get_memory_rtx): Don't strip nops
3572         in between COMPONENT_REFs.
3573
3574 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
3575
3576         PR middle-end/23463
3577         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3578         types.
3579         (gimplify_modify_expr): Check for zero sized types and gimplify the
3580         rhs and lhs as statements.
3581
3582 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
3583
3584         PR libgcj/23508
3585         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3586         state for return address column of signal frames.
3587
3588 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
3589
3590         PR target/23539
3591         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3592         bytes >= 2 not bytes == 2.
3593         (expand_block_move): Same.
3594
3595 2005-08-27  Richard Guenther  <rguenther@suse.de>
3596
3597         PR target/23575
3598         * config/i386/sse.md (sse2_movsd): Add missing closing
3599         braces.
3600
3601 2005-08-27  Paul Brook  <paul@codesourcery.com>
3602
3603         * genrecog.c (enum decision_type): Add DT_num_insns.
3604         (struct decision_test): Add u.num_insns.
3605         (add_to_sequence): Add DT_num_insns test.
3606         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3607         (write_cond, debug_decision_2): Ditto.
3608         (change_state): Assume peep2_next_insn never fails.
3609         Remove "afterward" argument.
3610         (write afterward, write_tree): Update to match.
3611         * recog.c (peep2_current_count): New variable.
3612         (peep2_next_insn): Check it.
3613         (peephole2_optimize): Set peep2_current_count.
3614         * recog.h (peep2_current_count): Declare.
3615
3616 2005-08-26  Josh Conner  <jconner@apple.com>
3617
3618         PR middle-end/23584
3619         * ipa-pure-const.c (check_tree): Check for volatile-ness
3620         when considering a dereference.
3621
3622 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
3623
3624         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3625
3626 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3627
3628         PR rtl-optimization/23561
3629         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
3630         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3631         at most LEN bytes long memory fits into the field.
3632         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3633         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3634         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3635
3636 2005-08-26  Richard Henderson  <rth@redhat.com>
3637
3638         PR rtl-opt/23560
3639         * loop.c (biased_biv_may_wrap_p): New.
3640         (maybe_eliminate_biv_1): Use it to suppress non-equality
3641         comparison transformations.  Delete disabled code.
3642
3643 2005-08-26  Ian Lance Taylor  <ian@airs.com>
3644
3645         * combine.c (make_extraction): Avoid reference outside object.
3646
3647 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
3648
3649         * stor-layout.c (finalize_type_size): Restore behaviour for
3650         non-aggregate types to the status quo ante of the patch for
3651         pr 23467.  Document why it matters.
3652
3653 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3654
3655         PR c/23506
3656         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3657         array by one element, initialize the BT_LAST element with NULL.
3658
3659 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
3660
3661         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3662         optimizing for size.
3663         (plus_eqsi): Same.
3664         (compare_plus_eqsi): Same.
3665         (plus_eqsi_compare): Same.
3666         (neg_eq0<mode>): Same.
3667         (neg_eq<mode>): Same.
3668
3669         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3670         PROCESSOR_POWER4.
3671
3672 2005-08-26  Nick Clifton  <nickc@redhat.com>
3673
3674         * config/v850/v850.c (ep_memory_operand): Return FALSE if
3675         TARGET_EP is not defined.
3676         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3677         TARGET_EP is enabled.
3678         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3679         * config/v850/v850.md (save_all_interrupt): Only use the EP
3680         register if TARGET_EP is defined.
3681         (restore_all_interrupt): Likewise.
3682         * config/v850/lib1funcs.asm: Update functions so that the EP
3683         register is only used if __EP__ is defined.
3684
3685 2005-08-26  David Ung  <davidu@mips.com>
3686
3687         * config/mips/mips.c (mips_expand_prologue): Handle case when
3688         generating for MIPS16 and the outgoing argument area is more than
3689         SMALL_OPERAND. Use the frame pointer as temporary to generate the
3690         add instruction.
3691
3692 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
3693
3694         * config/crx/crx.md: Make doloop_end pattern usage controllable
3695         via mloop-nesting=<max-nesting> command line switch. Make sure
3696         the combiner cannot use doloop_end_<mode> in an illegal way.
3697         * config/crx/crx.c: Use regs up to r6 for argument passing.
3698         Refine crx_address_cost (non cst4 displacements are expensive).
3699         * config/crx/crx.opt: Add switch for mloop-nesting=.
3700
3701 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
3702
3703         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3704         (UNSPEC_MVST): New constant.
3705
3706 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
3707
3708         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3709         Reject operands containing eliminable registers.
3710         * testsuite/gcc.dg/20050825-1.c: New testcase.
3711
3712 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3713             Jan Hubicka  <jh@suse.cz>
3714
3715         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3716
3717 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3718
3719         PR tree-optimization/23546
3720         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3721         and REAL_CST nodes.
3722
3723 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
3724
3725         * params.def (PARAM_MIN_SPEC_PROB): New.
3726         * sched-rgn.c (MIN_PROBABILITY): Delete.
3727         (compute_trg_info): Convert to PARAM_VALUE.
3728         * doc/invoke.texi (param): Document min-spec-prob.
3729
3730 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
3731
3732         * config/darwin.h: define __PIC__
3733         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3734         TARGET_OS_CPP_BUILTINS macro.
3735
3736 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3737
3738         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3739         yesterday.
3740
3741 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3742
3743         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3744         to duplicate_block.
3745         * cfghooks.c (duplicate_block): Added position where to place
3746         new block as argument.
3747         * cfghooks.h (duplicate_block): Declaration changed.
3748         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
3749         duplicate_block.
3750         * cfglayout.h (copy_bbs): Declaration changed.
3751         * cfgloop.h (loop_version): Declaration changed.
3752         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3753         position to copy_bbs.
3754         (loop_version): Pass position to duplicate_loop_to_header_edge.
3755         Add place_after argument and position new blocks according to
3756         it.
3757         * modulo-sched.c (sms_schedule): Pass place_after argument
3758         to loop_version.
3759         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3760         * tree-cfg.c (split_edge_bb_loc): New function.
3761         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3762         to determine position of new blocks.
3763         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3764         to loop_version.
3765         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3766         argument to duplicate_block.
3767         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3768         Pass position to copy_bbs.
3769
3770 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3771
3772         * fold-const.c (ptr_difference_const): Use
3773         cst_and_fits_in_hwi instead of host_integerp.
3774
3775 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3776
3777         * config/darwin.c (gen_pic_offset): New.
3778         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
3779         Use it.
3780
3781 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
3782
3783         PR tree-optimization/23486
3784         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3785
3786 2005-08-23  Phil Edwards  <phil@codesourcery.com>
3787
3788         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
3789         remove use_collect2.
3790         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
3791
3792         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
3793         configuration files to override the default value.
3794
3795         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
3796         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3797         * config/vx-common.h:  New file, split out from...
3798         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
3799         * config/vxworksae.h:  New file, for VxWorks AE.
3800         * config/vxworks.opt:  New file.
3801         * config/vxlib.c:  Update for VxWorks 6.
3802
3803         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
3804         other MULTILIB_* variables appropriately.
3805         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
3806         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
3807         * config/rs6000/vxworks.h:  Update for VxWorks 6.
3808         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
3809
3810 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
3811
3812         PR target/20799
3813         * config/darwin.c (machopic_select_section): Remove the hack to
3814         mark "::operator new" and "::operator delete" for coalescing
3815         even though they are not weak.
3816
3817 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
3818
3819         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3820         * configure: Regenerate.
3821
3822 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3823
3824         PR middle-end/23517
3825         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3826         between vectors.
3827         * convert.c (convert_to_integer, convert_to_vector): Likewise.
3828         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3829         Likewise.
3830
3831 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3832
3833         * config/rs6000/predicates.md (equality_operator): New.
3834         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3835         comparison with a large constant.
3836
3837 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
3838
3839         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3840
3841 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
3842
3843         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3844         registers is even, and we have a hardware double precision fp,
3845         align the buffer.
3846         (sh_gimplify_va_arg_expr): For floating point arguments, consider
3847         size of current argument when checking if argument was passed in
3848         registers.
3849
3850         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3851
3852         PR middle-end/23467
3853         * stor-layout.c (finalize_type_size): Dont override
3854         existing alignment with a smaller alignment from the mode.
3855
3856 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3857
3858         * lambda-code.c (lambda_vector_lexico_pos): Moved...
3859         * lambda.h (lambda_vector_lexico_pos): ... here.
3860         * tree-data-ref.c (build_classic_dist_vector): Return false when
3861         the distance vector is lexicographically negative.
3862
3863 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3864
3865         PR tree-optimization/23511
3866         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3867         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3868
3869 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
3870
3871         PR tree-optimization/22043
3872         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3873         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3874         If ALLOW_FLEXARR, handle types ending with flexible array member.
3875         Pass false as second argument to recursive count_type_elements calls.
3876         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3877         argument to count_type_elements call.
3878         * tree-sra.c (decide_block_copy): Likewise.
3879         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3880         for a constant-sized object, set cleared as well.  Pass true as
3881         second argument to count_type_elements call.
3882
3883 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3884
3885         PR target/21571
3886         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3887         from legitimate_small_data_p, and make global.  Update use.
3888         Remove forward declaration.
3889         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3890         Declare.
3891         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3892
3893 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
3894
3895         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3896         of scratch intermediates.
3897         (eq<mode>_compare): Same.
3898         (neg_eq0<mode>): New.
3899         (neg_eq<mode>): Convert to define_insn_and_split.
3900
3901 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3902
3903         PR target/23070
3904         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3905         stdarg functions, set/clear the fp marker even when no variable
3906         args are passed.
3907         * config/rs6000/sysv4.opt (mprototype): Describe.
3908
3909 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
3910
3911         PR rtl-optimization/23478
3912         * regs.h (reg_info): Add throw_calls_crossed.
3913         (REG_N_THROWING_CALLS_CROSSED): Define.
3914         * flow.c (allocate_reg_life_data): Initialize
3915         REG_N_THROWING_CALLS_CROSSED.
3916         (propagate_one_insn, attempt_auto_inc): Update
3917         REG_N_THROWING_CALLS_CROSSED.
3918         * global.c (global_alloc): Don't allocate pseudos across
3919         calls that may throw.
3920
3921 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3922
3923         PR c/18715
3924         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3925         value is inbetween the range if we did not find an exact match.
3926
3927 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
3928
3929         * doc/invoke.texi (Option Summary): Add ms1 options.
3930         * doc/extend.texi: Document interrupt handler attribute for ms1.
3931         * doc/md.texi: Document ms1 constraints.
3932         * config.gcc: Add ms1-*-elf.
3933         * config/ms1/ms1.h: New.
3934         * config/ms1/ms1.c: New.
3935         * config/ms1/ms1.md: New.
3936         * config/ms1/ms1-protos.h: New.
3937         * config/ms1/ABI.txt: New.
3938         * config/ms1/crti.asm: New.
3939         * config/ms1/crtn.asm: New.
3940         * config/ms1/lib2extra-funcs.c: New.
3941         * config/ms1/t-ms1: New.
3942         * config/ms1/ms1.opt: New.
3943
3944 2005-08-22 Ira Rosen <irar@il.ibm.com>
3945
3946         * config/rs6000/altivec.md (xorv4sf3): New.
3947         (negv4sf2, neg<mode>2): Likewise.
3948
3949 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
3950
3951         PR target/23485
3952         * config/ia64/ia64.md (divsi3): Check divide by zero.
3953         (udivsi3): Likewise.
3954         (divdi3): Likewise.
3955         (udivdi3): Likewise.
3956
3957 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
3958
3959         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3960         up to elem_bitsize bits, not max_bitsize.
3961
3962 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3963
3964         PR tree-optimization/23433
3965         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3966         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3967
3968 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3969
3970         PR tree-optimization/23434
3971         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3972         the iteration bound is not an INTEGER_CST.
3973
3974 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
3975
3976         * tree-vect-transform.c (get_initial_def_for_reduction): Set
3977         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3978         NULL if need_epilog_adjust is false.
3979         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3980         Case 3 always peels first itration, not just for PLUS case, and no need
3981         to use scalar_initial_def here. Create an epilog adjustment only if
3982         scalar_initial_def is not NULL.
3983
3984         (vectorizable_reduction): Remove assert.
3985
3986 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
3987
3988         PR target/23485
3989         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3990         (__moddi3): Likewise.
3991         (__udivdi3): Likewise.
3992         (__umoddi3): Likewise.
3993         (__divsi3): Likewise.
3994         (__modsi3): Likewise.
3995         (__udivsi3): Likewise.
3996         (__umodsi3): Likewise.
3997
3998 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
3999
4000         * tree-pass.h (TDF_GRAPH): Define.
4001         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4002         * passes.c (finish_optimization_passes): Only call
4003         finish_graph_dump_file if TDF_GRAPH is set.
4004         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4005         NULL.  Set TDF_GRAPH bit.
4006         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4007
4008 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
4009
4010         * arm.h (arm_stack_offsets): Add locals_base field.
4011         * arm.c (arm_get_frame_offsets): Compute it.
4012         (thumb_compute_initial_elimination offset): Make the Thumb frame
4013         pointer point to the base of the local variables.
4014         (thumb_expand_prologue): Update accordingly.
4015         (thumb_expand_epilogue): Likewise.
4016
4017         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
4018         mode of clobbered scratch to DImode.  Handle a case that's known to
4019         need this.
4020
4021 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
4022
4023         * config/rs6000/rs6000.md (gt0<mode>): Delete.
4024         (gt0<mode>_compare): Delete.
4025         (neg_gt0<mode>): Delete.
4026
4027 2005-08-19  Eric Christopher  <echristo@apple.com>
4028
4029         * optabs.h: Change CTI_ to COI_.
4030         * optabs.c: Ditto.
4031
4032 2005-08-19  James E Wilson  <wilson@specifix.com>
4033
4034         * builtins.c (expand_builtin_return_addr): Set
4035         current_function_accesses_prior_frames when count != 0.  Use
4036         frame_pointer_rtx when count == 0.
4037         * function.h (struct function): Add accesses_prior_frames field.
4038         (current_function_accesses_prior_frames): Define.
4039         * reload1.c (init_elim_table): Check
4040         current_function_accesses_prior_frames.
4041         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4042
4043 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4044
4045         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4046         indicator.  Return true if the flowgraph changed during
4047         cleanup.
4048
4049 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4050
4051         PR 23476
4052         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4053         conditional expression before testing its value.
4054
4055 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4056
4057         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4058
4059 2005-08-19  Devang Patel  <dpatel@apple.com>
4060
4061         PR tree-optimization/23048
4062         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4063         third parameter. Check whether latch is dominated by exit
4064         block or not.
4065         (if_convertible_loop_p): Supply exit block itself to
4066         if_convertible_bb_p.
4067
4068 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4069
4070         PR target/23473
4071         * arm.md (arm_load_pic_register): Change argument to the mask of
4072         saved registers.  Call thumb_find_work_register if we need a
4073         scratch register on Thumb.
4074         (arm_expand_prologue): Pass empty register set to
4075         arm_load_pic_register.
4076         (thumb_expand_prologue): Pass live_regs_mask directly to
4077         arm_load_pic_register.
4078         * arm-protos.h (arm_load_pic_register): Update prototype.
4079
4080 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
4081
4082         * sh.c (find_sole_member): New function.
4083         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4084         if the record's alignment is larger than the size of its only member.
4085
4086 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4087
4088         PR target/23436
4089         * arm.c (thumb_legitimize_reload_address): New function.
4090         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4091         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4092
4093 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
4094
4095         * config/crx/crx.c: Implement crx_decompose_address. Reject
4096         symbolic displacements since CRX register relative adressing
4097         mode can't handle unsigned 32-bit values as displacements.
4098         * config/crx/crx.h: Simplify definitions, remove redundant
4099         parenthesis and obsolete macros.
4100         * config/crx/crx.opt: Add new switch for debugging addresses.
4101         * config/crx/crx-protos.h: Add new declarations for above.
4102
4103 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
4104
4105         PR middle-end/20624
4106         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4107         looking past it.
4108
4109 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4110
4111         * collect2.c (dup2): Delete.
4112         * configure.ac: Don't check for dup2.
4113
4114         * config.in, configure: Regenerate.
4115
4116 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
4117
4118         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4119         record with the type of its only member.
4120
4121 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
4122
4123         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4124         define_insn_and_split.
4125         (plus_ltu<mode>_compare): Same.
4126         (gtu<mode>_compare): Same.
4127         (plus_gtu<mode>_compare): Same.
4128
4129 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
4130
4131         PR tree-optimization/22228
4132         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4133         todo_flags_start.
4134         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4135         are recorded in vect_vnames_to_rename for renaming.
4136         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4137         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4138         in vect_vnames_to_rename.
4139         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4140         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4141
4142 2005-08-18  Jan Hubicka  <jh@suse.cz>
4143
4144         PR c++/22034
4145         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4146         info only for local statics, not for member variables.
4147
4148 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4149
4150         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4151
4152 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4153
4154         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4155
4156 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
4157
4158         PR middle-end/16045
4159         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4160
4161 2005-08-17  James E Wilson  <wilson@specifix.com>
4162
4163         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4164         array size check.
4165
4166 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
4167
4168         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4169         (leu<mode>_compare): Same.
4170         (plus_leu<mode>): Same.
4171         (neg_leu<mode>): Same.
4172         (and_neg_leu<mode): Same.
4173         (ltu<mode>_compare): Same.
4174         (plus_ltu<mode>): Same.
4175         (geu<mode>): Same.
4176         (geu<mode>_compare): Same.
4177         (plus_geu<mode>): Same.
4178         (neg_geu<mode>): Same.
4179         (and_neg_geu<mode>): Same.
4180         (plus_gt<mode>): Same.
4181         (gtu<mode>_compare): Same.
4182         (plus_gtu<mode>): Same.
4183
4184 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
4185
4186         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4187         Move call_table_data to end.  Delete spurious .text.
4188         (callt_save_all_interrupt): Fix comment typo.
4189
4190 2005-08-17  James E Wilson  <wilson@specifix.com>
4191             Kevin Winchester  <winchester@amirix.com>
4192
4193         PR target/21684
4194         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4195
4196 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
4197
4198         PR target/23268
4199         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4200         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4201
4202 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
4203
4204         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4205         record with the type of its only member if the modes don't match.
4206
4207         * varasm.c (decode_reg_name): Skip empty additional register names.
4208
4209 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
4210
4211         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4212         lsm_tmp_name_length): New.
4213         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4214         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4215
4216 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4217             Andreas Krebbel  <krebbel1@de.ibm.com>
4218
4219         * config.gcc: Added z9-109 switch.
4220         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4221         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4222         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4223         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4224         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4225         for "z9_109" cpu attribute.
4226         * config/s390/s390.c (z9_109_cost): New processor cost structure.
4227         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4228         (s390_handle_arch_option): Added z9-109 switch.
4229         (override_options): Set respective cost function for z9-109.
4230         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4231         (legitimate_reload_constant_p): Accept extended immediates.
4232         (print_operand): Three new output modifiers added: k, m and o.
4233         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4234         (s390_output_mi_thunk): Use extended immediate when possible.
4235         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4236         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4237         (CONSTRAINT_LEN): Added length of O constraint.
4238         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4239         * config/s390/s390.md ("cpu"): New value z9_109 added.
4240         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4241         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4242         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4243         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4244         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4245         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4246         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4247         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4248         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4249         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4250         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4251         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4252         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4253         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4254         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4255         immediates.
4256         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4257         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4258         insns for TARGET_EXTIMM.
4259
4260 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4261
4262         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4263
4264 2005-08-17  Nick Clifton  <nickc@redhat.com>
4265
4266         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4267         Call default_encode_section_info.
4268
4269 2005-08-17  Steven Bosscher  <stevenb@suse.de>
4270
4271         PR tree-optimization/21574
4272         * tree-ssa-ccp.c (likely_value): If the right hand side is a
4273         constant, return CONSTANT.
4274         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4275         (ccp_fold, visit_assignment): Likewise.
4276         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4277
4278 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4279
4280         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4281         fold_buildN instead of buildN then fold_initializer or fold.
4282         (build_unary_op): Likewise.
4283         (build_binary_op): Likewise.
4284         * fold-const.c (fold_initializer): Remove.
4285         (fold_build1_initializer): New function.
4286         (fold_build2_initializer): New function.
4287         (fold_build3_initializer): New function.
4288         * tree.h (fold_initializer): Remove.
4289         (fold_build1_initializer): New function.
4290         (fold_build2_initializer): New function.
4291         (fold_build3_initializer): New function.
4292
4293 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4294
4295         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4296         (try_move_mult_to_index): Call fold_build2 instead of build2.
4297         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4298         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4299         fold_binary_to_constant.
4300         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4301         fold (build.
4302         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4303         check if A == gcd (A, B).  Remove TYPE argument.
4304         (analyze_offset) Use fold_build2 instead of fold (build.
4305         (create_data_ref): Likewise.
4306         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4307         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4308         then fold.
4309
4310 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
4311
4312         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4313         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4314
4315 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
4316
4317         PR tree-opt/23402
4318         * gimplify.c (zero_sized_type): New function.
4319         (gimplify_modify_expr_rhs): If we have a zero sized type,
4320         replace the statement with an empty statement.
4321
4322 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
4323
4324         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4325         fxsave.
4326
4327 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4328
4329         * doc/tm.texi (Label Output): Correct typo.
4330
4331 2005-08-16  Steven Bosscher  <stevenb@suse.de>
4332
4333         PR target/23376
4334         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4335         force_operand will work later on using have_insn_for.
4336
4337 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4338
4339         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4340
4341 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4342
4343         PR c++/23337
4344         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4345         vector type, don't try to construct it element by element.  Add an
4346         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4347
4348 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4349
4350         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4351
4352 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
4353
4354         * doc/invoke.texi (Precompiled Headers): Document some more options
4355         which are known to be safe.
4356
4357 2005-08-16  James E Wilson  <wilson@specifix.com>
4358
4359         PR tree-optimization/21105
4360         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4361         TREE_OVERFLOW check.
4362
4363 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
4364
4365         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4366         (neg_ltu<mode>): Same.
4367         (gtu<mode>): Same.
4368         (neg_gtu<mode>): Same.
4369
4370 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4371
4372         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4373         (fold_builtin_isdigit): Use fold_buildN.
4374         (build_function_call_expr): Likewise.
4375         * c-typeck.c (c_finish_loop): Likewise.
4376
4377 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
4378             Richard Shann <rshann@superh.com>
4379
4380         PR middle-end/20396:
4381         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4382
4383 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
4384
4385         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4386
4387 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
4388
4389         PR target/23355
4390         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4391         arm_compure_save_reg0_reg12_mask to determine when the PIC register
4392         must be saved.
4393
4394 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4395
4396         PR middle-end/23369
4397         * fold-const.c (build_range_check): Disable optimization for function
4398         pointer expressions on targets that require function pointer
4399         canonicalization.
4400
4401 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
4402
4403         * simplify-rtx.c (simplify_const_relational_operation): When
4404         extracting arguments of a COMPARE, recompute the mode as well.
4405
4406 2005-08-15  Ian Lance Taylor  <ian@airs.com>
4407
4408         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4409
4410 2005-08-15  DJ Delorie  <dj@redhat.com>
4411
4412         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4413         the stack.
4414         (movsi_splittable): Allow, but split, moves to the stack.
4415         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4416         stack.
4417
4418 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4419
4420         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4421         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4422         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4423
4424         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4425         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4426         Delete HOST_PTR_PRINTF.
4427
4428         * configure, config.in: Regenerate.
4429
4430 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
4431
4432         * config/rs6000/rs6000.md (QHSI): New mode macro.
4433         (wd): Extend mode attr for QImode and HImode
4434         (dbits): New mode attr.
4435         (zero_extend<mode>di2): Convert to mode macro.
4436
4437 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
4438
4439         PR target/21841
4440         * doc/invoke.texi (-mgnu-ld): Update description.
4441         (-mhp-ld): Ditto.
4442
4443 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4444
4445         PR 23391
4446         * Makefile.in (tree-chrec.o): Depends on real.h.
4447         * tree-chrec.c: Include real.h.
4448         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4449         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4450         * tree-scalar-evolution.c (add_to_evolution_1,
4451         interpret_rhs_modify_expr): Ditto.
4452
4453 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4454
4455         PR 23386
4456         * tree-data-ref.c (estimate_niter_from_size_of_data): When
4457         step is negative compute the estimation from init downwards to zero.
4458
4459 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
4460
4461         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4462
4463 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4464
4465         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4466         constraint.
4467         (legitimate_reload_constant_p): Fix handling of lliXX operands.
4468         Accept double-word constants that can be split.
4469         * config/s390/s390.md ("movti"): Use 'P' constraint.
4470         ("*movdi_31", "*movdf_31"): Likewise.
4471
4472 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
4473
4474         Fix PR tree-optimization/22615
4475
4476         * tree-ssa-structalias.c (solution_set_add): Handle
4477         first_vi_for_offset returning NULL.
4478         (do_da_constraint): Ditto.
4479         (do_sd_constraint): Ditto.
4480         (do_ds_constraint): Ditto
4481         (find_func_aliases): Ditto.
4482         (build_constraint_graph): RHS is allowed be ANYTHING.
4483         (first_vi_for_offset): Return NULL if we couldn't find anything at
4484         the offset.
4485
4486 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4487
4488         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4489         over memory as first operand.
4490
4491 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
4492
4493         PR target/23360
4494         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4495         available for setting it.
4496
4497 2005-08-14  Ira Rosen  <irar@il.ibm.com>
4498
4499         PR tree-optimization/23320
4500         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4501         data-refs' types instead of base object nullness. Add check for
4502         pointer type data-refs before first location comparison. Remove
4503         assert.
4504
4505 2005-08-14  Andreas Schwab  <schwab@suse.de>
4506
4507         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4508
4509 2005-08-13  James E Wilson  <wilson@specifix.com>
4510
4511         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4512         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4513         -fstack-protector-all, --param ssp-buffer-size): Document.
4514         (-Wvariadic-macros): Alphabetize.
4515         (-fsched-stalled-insns-dep): Add missing 'f'.
4516
4517         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4518         macros.
4519
4520 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
4521
4522         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4523         or indirect address operand.
4524         (EXTRA_ADDRESS_CONSTRAINT): New.
4525         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4526
4527 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
4528
4529         PR tree-optimization/22236
4530         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4531         successors and predecessors.
4532         * tree-chrec.c (chrec_convert): Before converting, check that
4533         sequences don't wrap.
4534         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4535         (analyze_array): Extern.
4536         (find_data_references_in_loop): Remove call to
4537         compute_estimated_nb_iterations.
4538         * tree-data-ref.h (analyze_array): Declared.
4539         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4540         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4541         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4542         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4543         condition.
4544         * tree-ssa-loop-ivcanon.c: Fix documentation.
4545         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4546         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4547         (infer_loop_bounds_from_undefined): New.
4548         (estimate_numbers_of_iterations_loop): Use
4549         infer_loop_bounds_from_undefined.
4550         (used_in_pointer_arithmetic_p): New.
4551         (scev_probably_wraps_p): Pass an extra parameter.  Call
4552         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
4553         (convert_step): Fix documentation.
4554         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4555         Use initial_condition_in_loop_num and evolution_part_in_loop_num
4556         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
4557         scev_probably_wraps_p.
4558
4559 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
4560
4561         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4562         (s390_register_info): Ignore clobbered_regs information for fixed
4563         registers, and only fixed registers.
4564         (s390_init_frame_layout): Remove redundant call.
4565
4566 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
4567
4568         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4569         description of -Wold-style-casts.
4570
4571 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4572             Jakub Jelinek  <jakub@redhat.com>
4573
4574         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4575         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4576         * config/s390/s390.c (print_operand): New output modifier 'G' added.
4577         (get_thread_pointer): Renamed to s390_get_thread_pointer.
4578         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4579         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4580         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4581         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4582         ("stack_protect_set", "stack_protect_test"): New expanders.
4583         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4584         "stack_protect_testdi"): New insn definitions.
4585
4586 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4587
4588         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4589
4590 2005-08-12  Paul Brook  <paul@codesourcery.com>
4591
4592         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4593
4594 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4595
4596         * config/s390/predicates.md (setmem_operand): New predicate.
4597         (shift_count_operand): Accept ANDs with special constants as
4598         operand.
4599         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4600         with special constants.
4601         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4602         shift_count_operand with setmem_operand.
4603
4604 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4605
4606         * config/s390/s390.c (s390_extract_part, s390_single_part):
4607         Type cast added.
4608         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4609         (s390_output_mi_thunk): Don't use lg on 31 bit.
4610         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4611         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4612
4613 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4614
4615         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4616         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4617         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4618         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4619         with one of the new macros.
4620
4621 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4622
4623         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4624         Don't set save_return_addr_p.
4625         (s390_register_info): Make clobbered_regs not depending on
4626         save_return_addr_p.
4627
4628 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4629
4630         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4631         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4632
4633 2005-08-11  James E. Wilson  <wilson@specifix.com>
4634
4635         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4636
4637 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
4638
4639         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4640         locations gathered by var-tracking in single entry loc_list
4641         over loc_descriptor_from_tree.
4642
4643         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4644         pass it down to loc_descriptor.
4645         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4646         (containing_function_has_frame_base): Move earlier in the file.
4647         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4648         instead of always assuming fbreg can't be used.
4649
4650 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
4651
4652         * config/rs6000/altivec.md: Change constraint "m" to "Z".
4653         * config/rs6000/predicates.md (indexed_or_indirect_operand):
4654         Accept address wrapped in AND for Altivec.
4655         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4656         Strip AND wrapping offset address for Altivec.
4657
4658 2005-08-11  Richard Henderson  <rth@redhat.com>
4659
4660         PR middle-end/23312
4661         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4662         before using TYPE_IS_SIZETYPE.
4663
4664 2005-08-11  Richard Henderson  <rth@redhat.com>
4665
4666         PR target/22225
4667         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4668         insn types not present on ev4.
4669         (alphaev5_insn_pipe): Similarly.
4670
4671 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4672
4673         PR target/23250
4674         * arm.c (arm_override_options): If the user has selected callee-super-
4675         interworking, then enable normal interworking.
4676
4677 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4678
4679         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4680         redefinition.
4681
4682 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
4683
4684         * doc/rtl.texi: Fix two typos.
4685
4686 2005-08-11  Richard Guenther  <rguenther@suse.de>
4687
4688         PR target/23289
4689         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4690         cases where we call to/from functions returning void.
4691
4692 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
4693
4694         PR c++/23225
4695         * tree.c (build_pointer_type_for_mode): Robustify.
4696
4697 2005-08-10  James E Wilson  <wilson@specifix.com>
4698
4699         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4700         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4701
4702         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4703         "cum->".
4704
4705 2005-08-10  Eric Christopher  <echristo@apple.com>
4706
4707         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4708         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4709         V2DFmode.
4710
4711 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
4712
4713         PR target/21887
4714         * config/darwin.c (machopic_indirect_data_reference): Use a new register
4715         for the high part when generating dynamic-no-pic code.
4716
4717 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4718
4719         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4720         (x86_64-*-linux*): Likewise.
4721
4722         * config/i386/crtfastmath.c: New file.
4723         * config/i386/t-crtfm: Likewise.
4724
4725         * config/i386/linux.h (ENDFILE_SPEC): New.
4726         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4727
4728         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4729         crtfastmath.o.
4730
4731 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
4732
4733         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4734         (vec_shl, vec_shr): Document new operations.
4735         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4736
4737 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
4738
4739         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4740         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4741         change predicate to indexed_or_indirect_address.
4742
4743 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
4744
4745         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4746         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4747         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4748         and __aeabi_uwrite8.
4749         * config/arm/unaligned-funcs.c: New file.
4750         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4751
4752 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
4753
4754         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4755         Add dump.
4756         * cfglayout.c (pass_insn_locators_initialize): Add dump.
4757         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4758         Add dump.
4759         * except.c (pass_convert_to_eh_region_ranges): Add dump.
4760         * final.c (pass_shorten_branches): Add dump.
4761         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4762         (pass_life): Rename dump.
4763         (rest_of_handle_flow2): Remove initial verify_flow_info.
4764         * function.c (pass_instantiate_virtual_regs): Add dump.
4765         * integrate.c (pass_initial_value_sets): Add dump.
4766         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4767         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4768         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4769         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4770         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4771         gate_rtl_unrool_and_peel_loops): New.
4772         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4773         rtl_doloop): Do not look at flags.
4774         * mode-switching.c (pass_mode_switching): Add dump.
4775         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4776         pass_split_before_regstack): Add dump.
4777         * regmove.c (pass_stack_adjustments): Add dump.
4778         * tree-optimize.c (pass_fixup_cfg): Add dump.
4779
4780 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4781
4782         PR 23309
4783         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4784         deciding which instruction sequence to use.
4785
4786 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
4787
4788         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4789         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4790
4791 2005-08-09  Richard Guenther  <rguenther@suse.de>
4792
4793         * c-common.c (builtin_function_2): Remove.
4794         (def_builtin_1): New function.
4795         (c_common_nodes_and_builtins): Use def_builtin_1 to
4796         build builtin functions.
4797
4798 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
4799
4800         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4801         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4802         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4803         Visual DSP.
4804
4805 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4806
4807         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4808         fold_binary instead of fold_build2 since we don't care about the
4809         resulting tree.
4810         (loop_niter_by_eval): Likewise.
4811         (compare_trees): Likewise.
4812         (proved_non_wrapping_p): Likewise.
4813
4814 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4815
4816         PR c/23161
4817         PR c/23165
4818         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4819         if the if is really empty.
4820
4821 2005-08-09  Steven Bosscher  <stevenb@suse.de>
4822
4823         PR tree-optimization/23234
4824         * tree-ssa-math-opts.c (place_reciprocal): New enum.
4825         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4826         argument of the new enum.
4827         (execute_cse_reciprocals): Add reciprocals for function arguments
4828         on the unique successor edge of the entry block.  Update other calls
4829         to execute_cse_reciprocals_1.
4830
4831 2005-08-08  Richard Henderson  <rth@redhat.com>
4832
4833         PR 22439
4834         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4835
4836 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
4837
4838         * expr.c (write_complex_part): Return after handling MEM.
4839
4840 2005-08-08  Josh Conner  <jconner@apple.com>
4841
4842         PR rtl-optimization/23241
4843         * combine.c (simplify_comparison): Fix error in determining
4844         whether to lift a subreg from comparison.
4845
4846 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
4847
4848         PR target/18506
4849         * config/rs6000/altivec.md (vec_init<mode>): New.
4850         (vec_set<mode>): New.
4851         (vec_extract<mode>): New.
4852         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4853         (rs6000_expand_vector_set): New.
4854         (rs6000_expand_vector_extract): New.
4855         (rs6000_legitimate_offset_address_p): Offset addresses are valid
4856         for Altivec modes before reload.
4857         (altivec_expand_vec_init_builtin): New.
4858         (get_element_number): New.
4859         (altivec_expand_vec_set_builtin): New.
4860         (altivec_expand_vec_ext_builtin): New.
4861         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4862         builtins.
4863         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4864         builtins.
4865         * config/rs6000/rs6000.h (rs6000_builtins): Add
4866         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4867         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4868         * config/rs6000/rs6000-protos.h: Declare new functions.
4869
4870 2005-08-08  Jan Hubicka  <jh@suse.cz>
4871
4872         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4873         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4874         * i386.md (movdi*): Use pic_32bit_operand.
4875         * predicates.md (pic_32bit_operand): New.
4876
4877 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
4878
4879         PR c++/21166
4880         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4881
4882 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
4883
4884         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4885         (test_for_singularity): Use fold_build2.
4886
4887 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4888
4889         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4890
4891 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
4892
4893         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4894         (COMMON_ASM_OP) Define.
4895         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4896         (ix86_encode_section_info): Likewise.
4897         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4898         SUBTARGET_ENCODE_SECTION_INFO.
4899
4900 2005-08-06  Richard Henderson  <rth@redhat.com>
4901
4902         PR 21894
4903         * tree-nested.c (convert_local_reference): Save and restore val_only
4904         around component_ref and friends.  Clear walk_subtrees by default.
4905
4906 2005-08-06  Peter O'Gorman  <peter@pogma.com>
4907
4908         PR 21366
4909         * gcc.c (process_command): Check the argument to -b has a dash.
4910         * doc/invoke.texi: Update -b and -V docs.
4911
4912 2005-08-06  James E Wilson  <wilson@specifix.com>
4913
4914         * config/mips/cross64.h, config/mips/t-cross64: Delete.
4915
4916 2005-08-06  Michael Matz  <matz@suse.de>
4917
4918         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4919         member only if only one insn is associated with the value.
4920
4921 2005-08-06  Nick Clifton  <nickc@redhat.com>
4922
4923         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4924         New define.
4925         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4926         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4927         Check symbol flags instead of symbol name mangling.
4928         (xstormy16_asm_output_aligned_common): Likewise.  Also
4929         simplify code since the bss100_section cass is the only case
4930         where the below100 code will be triggered.
4931         (xstormy16_encode_section_info): Encode below100 attribute
4932         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4933         the name.
4934         (xstormy16_strip_name_encoding): Delete - this function is no
4935         longer needed.
4936         (TARGET_STRIP_NAME_ENCODING): Undefine.
4937         * config/stormy16/stormy16-protos.h: Delete prototype for
4938         xstormy16_strip_name_encoding.
4939
4940 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
4941
4942         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4943         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4944         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4945         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4946         config/alpha/predicates.md, config/arc/arc.h,
4947         config/arm/arm.h, config/arm/ieee754-df.S,
4948         config/arm/ieee754-sf.S, config/bfin/bfin.c,
4949         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4950         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4951         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4952         config/m68hc11/m68hc11.h, config/mips/mips.c,
4953         config/mips/mips.h, config/mips/openbsd.h,
4954         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4955         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4956         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4957         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4958         config/sparc/linux.h, config/sparc/linux64.h,
4959         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4960         doc/extend.texi, doc/gcov.texi, doc/install.texi,
4961         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4962         typos.  Follow spelling conventions.
4963
4964 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
4965
4966         PR c/23113
4967         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4968         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4969         specially.  Check for side effects only for COND_EXPR.
4970         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4971         return with TREE_NO_WARNING.
4972
4973 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
4974
4975         PR rtl-optimization/23233
4976         * loop.c (combine_movables): Require the modes to be the same.
4977         (move_movables): Remove handling of cases where the replacement
4978         had a different mode to the original.
4979
4980 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
4981
4982         PR tree-optimization/23128
4983         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4984         subtraction wrap, and set TREE_OVERFLOW if they do.
4985
4986 2005-08-05  Richard Henderson  <rth@redhat.com>
4987
4988         PR 21728
4989         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4990         FORCED_LABEL labels.
4991
4992 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
4993
4994         PR middle-end/23135
4995         * reload.c (find_reloads_subreg_address): Pass down TYPE
4996         unchanged.  Change all callers except find_reloads_toplev.
4997
4998 2005-08-05  Michael Matz  <matz@suse.de>
4999
5000         * genattrtab.c (current_alternative_string): Remove.
5001         (SIMPLIFY_ALTERNATIVE): Ditto.
5002         (attr_alt_bit_p): Ditto.
5003         (alternative_name): Make const char *.
5004         (evaluate_eq_attr): Remove use of above things.
5005         (simplify_test_exp): Ditto.
5006         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5007         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5008
5009 2005-08-04  James E Wilson  <wilson@specifix.com>
5010
5011         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5012         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5013         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5014         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5015         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5016
5017 2005-08-04  Richard Henderson  <rth@redhat.com>
5018
5019         PR 21529
5020         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5021         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5022         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
5023         if we'd have to instantiate too many members.
5024
5025 2005-08-04  Richard Henderson  <rth@redhat.com>
5026
5027         PR 21291
5028         * tree-outof-ssa.c (coalesce_asm_operands): New.
5029         (coalesce_ssa_name): Use it.  Split out ...
5030         (coalesce_phi_operands, coalesce_result_decls): ... these.
5031
5032 2005-08-04  Paul Brook  <paul@codesourcery.com>
5033
5034         * read-rtl.c (read_quoted_string): Break if EOF.
5035
5036 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
5037
5038         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5039         (fold_build2): Likewise.
5040         (fold_build3): Likewise.
5041         (fold_build1_stat): New function prototype.
5042         (fold_build2_stat): Likewise.
5043         (fold_build3_stat): Likewise.
5044         * fold-const.c (fold_build1): Rename to ..
5045         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5046         through to build1_stat.
5047         (fold_build2): Rename to ..
5048         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5049         through to build2_stat.
5050         (fold_build3): Rename to ..
5051         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5052         through to build3_stat.
5053
5054 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
5055             Ian Lance Taylor  <ian@airs.com>
5056
5057         * function.c (assign_stack_local_1): Do not correct stack slot
5058         address if allocation size is smaller than mode size.
5059
5060 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
5061
5062         PR 22037
5063         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5064         (tree_merge_blocks): Propagate anything allowed by
5065         may_propagate_copy.
5066         Clarify documentation.
5067         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5068         SSA form, schedule an update if necessary.
5069
5070 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
5071
5072         * doc/install.texi (Binaries): Remove broken link to
5073         Sinix/Reliant Unix binaries.
5074
5075 2005-08-03  Richard Henderson  <rth@redhat.com>
5076
5077         PR 23221
5078         * function.c (stack_protect_epilogue): Export.
5079         * tree.h (stack_protect_epilogue): Declare.
5080         * calls.c (expand_call): Call it.
5081
5082 2005-08-03  Eric Christopher  <echristo@apple.com>
5083
5084         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5085         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5086         spec.
5087
5088 2005-08-04  Jan Hubicka  <jh@suse.cz>
5089
5090         * profile.c (branch_prob): Split edges with goto locus on them
5091         to get proper line counts.
5092         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5093
5094 2005-08-03  Paul Brook  <paul@codesourcery.com>
5095
5096         * function.c (assign_parms): Round current_function_args_size
5097         to PARM_BOUNDARY, not STACK_BOUNDARY.
5098
5099 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
5100
5101         * config/i386/i386.c (x86_elf_aligned_common)
5102         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5103
5104 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
5105
5106         PR tree-optimization/23157
5107         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5108         before emitting them.
5109
5110 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5111
5112         PR tree-optimization/19899
5113         * Makefile.in (tree-scalar-evolution.o): Add real.h.
5114         * tree-scalar-evolution.c: Include real.h.
5115         (add_to_evolution): Build constant -1 of correct type.
5116
5117 2005-08-03  Jan Hubicka  <jh@suse.cz>
5118
5119         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5120         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5121         profile updating for complette unrolling.
5122         * loop-unroll.c (peel_loop_completely): Use it.
5123         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5124         (tree_unroll_loops_completely): Disable code growing unrolling of cold
5125         loops.
5126
5127 2005-08-03  Paul Brook  <paul@codesourcery.com>
5128
5129         * combine.c (can_change_dest_mode): New function.
5130         (try_combine, simplify_set): Use it.
5131
5132 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
5133
5134         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5135         TFmode to BLKmode.
5136
5137 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
5138
5139         * doc/install.texi (Specific): Adjust link to openavr.org.
5140         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5141         (Binaries): Adjust HP-UX Porting Center link.
5142         (Binaries): Adjust Free Software Foundation ordering link.
5143
5144 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
5145
5146         * convert.c (convert_to_integer): Use fold_build1 instead of
5147         build1 when converting an integer to an integer.
5148
5149 2005-08-02  Richard Henderson  <rth@redhat.com>
5150
5151         * combine.c (combine_instructions): Don't use reg_equal/equiv
5152         results if the mode doesn't match.
5153
5154 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
5155
5156         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5157         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5158
5159 2005-08-02  Richard Henderson  <rth@redhat.com>
5160
5161         PR 23196
5162         * explow.c (memory_address): Remove special-case for
5163         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5164
5165 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
5166
5167         PR 23164
5168         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5169         number of calls to cleanup_tree_cfg_1.
5170
5171 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
5172
5173         * doc/invoke.texi: document file extensions .F90 and .F95
5174
5175 2005-08-02  Richard Guenther  <rguenther@suse.de>
5176
5177         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5178         positive if its first argument is positive.
5179
5180 2005-08-02  Richard Guenther  <rguenther@suse.de>
5181
5182         PR tree-optimization/23177
5183         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5184         on TMR_TAG.
5185
5186 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
5187
5188         PR tree-optimization/23129
5189         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5190         varying for divisions with anti-ranges.
5191
5192 2005-08-02  Jan Hubicka  <jh@suse.cz>
5193
5194         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5195         * tree-ssa-threadupdate.c (thread_block): Add it here.
5196
5197 2005-08-01  James E Wilson  <wilson@specifix.com>
5198
5199         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5200         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5201         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5202         New.
5203         * config/mips/predicates.md (const_call_insn_operand): Add check for
5204         SYMBOL_REF_LONG_CALL_P.
5205         * doc/extend.texi (long_call): Document the new attribute.
5206
5207 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5208             Richard Henderson  <rth@redhat.com>
5209
5210         * Makefile.in (RTL_BASE_H): Add real.h.
5211         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5212         instead of memcpy.
5213         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5214         directly.
5215         * rtl.c (rtl_check_failed_code_mode): New.
5216         * rtl.h (struct rtx_def): Add u.rv.
5217         (XCMWINT, XCNMPRV): New.
5218         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5219         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5220
5221 2005-08-01  Richard Henderson  <rth@redhat.com>
5222
5223         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5224         with auto-inc codes.
5225
5226         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5227
5228 2005-08-01  Jan Hubicka  <jh@suse.cz>
5229
5230         * i386-protos.h (asm_preferred_eh_data_format): Declare.
5231         * i386.c: Include dwarf2.h
5232         (asm_preferred_eh_data_format): New.
5233         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5234
5235 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5236
5237         * config/host-linux.c (linux_gt_pch_get_address): Add new name
5238         randomize_va_space for virtual address randomization control.
5239
5240 2005-08-01  Steven Bosscher  <stevenb@suse.de>
5241
5242         * common.opt (flag_ipa_cp): Put in right place to maintain
5243         alphabetic sort.
5244
5245 2005-08-01  Jan Hubicka  <jh@suse.cz>
5246
5247         * profile.c (compute_value_histograms): Fix thinko.
5248         * value-prof.c: Include toplev.h
5249         (check_counter): New function.
5250         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5251         tree_mod_subtract_transform): Add sanity check.
5252
5253 2005-08-01  Richard Guenther  <rguenther@suse.de>
5254
5255         PR tree-optimization/23133
5256         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5257         current functions parameter decls to find defs to cse
5258         reciprocals of.
5259
5260 2005-08-01  Richard Guenther  <rguenther@suse.de>
5261
5262         PR tree-optimization/23109
5263         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5264         If trapping math is in effect, use post-dominator information
5265         to check if we'd in any case reach a trapping point before
5266         doing the reciprocal insertion.
5267         (execute_cse_reciprocals): Compute post-dominators, if necessary.
5268         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5269         expressions are invariant only if trapping math is not in effect.
5270
5271 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5272
5273         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5274         cgraph_function_versioning): New declarations.
5275         * cgraphunit.c: Add include to ipa-prop.h.
5276         (update_call_expr, cgraph_copy_node_for_versioning,
5277         cgraph_function_versioning): New functions.
5278         * integrate.c (copy_decl_for_inlining): Remove.
5279         * ipa-prop.h (ipa_replace_map): New struct.
5280         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5281         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5282         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5283         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5284         ipcp_iterate_stage, ipcp_method_scale_print,
5285         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5286         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5287         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5288         ipcp_update_bb_counts, ipcp_update_profiling,
5289         ipcp_update_edges_counts): New functions.
5290         (ipcp_method_cval_init): Remove restriction regarding local methods.
5291         (ipcp_init_stage): Add ipcp_method_compute_scale.
5292         (ipcp_insert_stage): Add versioning.
5293         (ipcp_structures_print): Add ipcp_method_scale_print.
5294         (ipcp_driver): Dump profiling info.
5295         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5296         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5297         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5298         (struct inline_data): Add versioning_p, ipa_info, new fields.
5299         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5300         declare_return_variable): Replace calls to copy_decl_for_inlining with
5301         copy_decl_for_dup.
5302         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5303         versioning support.
5304         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5305         Add argument VERSIONING.
5306         (copy_arguments_for_versioning, copy_static_chain,
5307         function_versionable_p, tree_versionable_function_p,
5308         tree_function_versioning, replace_ref_tree): New functions.
5309         * tree-inline.h: Include varray.h.
5310         (tree_versionable_function_p,  tree_function_versioning,
5311         tree copy_decl_for_dup): New declarations.
5312
5313 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5314
5315         * ipa-cp.c: New file. Contains IPCP specific functionality.
5316         * ipa-prop.h: New file. Contains structures/definitions that can be
5317         used by several interprocedural data flow optimizations (and also IPCP).
5318         * ipa-prop.c: New file.
5319         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5320         * common.opt: Add ipa-cp flag.
5321         * timevar.def: Add IPCP optimization.
5322         * tree-optimize.c (init_tree_optimization_passes): Schedule
5323         pass_ipa_cp.
5324         * tree-pass.h (pass_ipa_cp): Declare.
5325
5326 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
5327
5328         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5329         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5330         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5331         config/i386/i386.c, config/mips/mips.h,
5332         config/rs6000/rs6000.h, config/sh/sh.c,
5333         config/stormy16/stormy16.c: Fix comment typos.
5334
5335 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
5336
5337         PR c/22311
5338         * c-typeck.c (build_binary_op): Use common_type wrapper on
5339         shortened types.
5340         (common_type): Update comment.
5341
5342 2005-07-31  Steven Bosscher  <stevenb@suse.de>
5343
5344         PR target/23095
5345         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5346         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5347         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5348
5349 2005-07-31  Jan Hubicka  <jh@suse.cz>
5350
5351         * pretty-print.h (pp_widest_integer): New macro.
5352         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5353         counts.
5354
5355 2005-07-31  Jan Hubicka  <jh@suse.cz>
5356
5357         * output.h (enum section_category): Export from varasm.c
5358         (categorize_decl_for_section): Likewise.
5359         * varasm.c (enum section_category): Kill.
5360         (categorize_decl_for_section): Make global.
5361         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5362         Declare.
5363         * i386.c (ix86_section_threshold): New static variable.
5364         (ix86_in_large_data_p, ix86_encode_section_info,
5365         x86_64_elf_unique_section,
5366         x86_64_elf_select_section): New functions.
5367         (TARGET_ENCODE_SECTION_INFO): Define
5368         (override_options): Enable medium model for PIC.
5369         (ix86_expand_prologue): Expand gen_set_got_rex64.
5370         (legitimate_constant_p): Handle new UNSPECs.
5371         (legitimate_pic_address_disp_p): Likewise.
5372         (legitimize_pic_address): Lower MEDIUM model addressing.
5373         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5374         (enum cmodel): Add MEDIUM_PIC.
5375         (SYMBOL_REF_FAR_ADDR_P): New macro.
5376         (SYMBOL_FLAG_FAR_ADDR): New flag.
5377         * i386.md (movdi): Support medium model.
5378         (set_got_rex64): New pattern.
5379         * i386.opt (mlarge-data-threshold): New flag.
5380         * predicates.md (zext_operand/sext_operand): Deal with medium model.
5381         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5382         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5383         TARGET_ASM_UNIQUE_SECTION): New.
5384
5385         * invoke.texi (-mlarge_data_threshold): Document
5386
5387 2005-07-31  Jan Hubicka  <jh@suse.cz>
5388
5389         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5390         (coalesce_vars): Likewise.
5391         * tree-ssa-live.c (coalesce_cost): New.
5392         (build_tree_conflict_graph): Use coalesce_cost.
5393         * tree-ssa-live.h (coalesce_cost): Declare.
5394
5395 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5396
5397         * arm.md (all peepholes for post-increment operations): Delete.
5398         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5399         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5400         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5401         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5402         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5403
5404 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
5405
5406         * fold-const.c (tree_expr_nonnegative_p): Always return true for
5407         non-integral types.
5408
5409 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
5410
5411         PR target/22582
5412         * doc/invoke.texi: Document -rdynamic.
5413
5414 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
5415
5416         PR c/23143
5417         * c-parser.c (c_parser_parms_list_declarator): Call
5418         mark_forward_parm_decls.
5419         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5420         decls with visibility structure.
5421
5422 2005-07-30  Paul Brook  <paul@codesourcery.com>
5423
5424         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5425
5426 2005-07-30  Paul Brook  <paul@codesourcery.com>
5427
5428         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5429         prototype.
5430         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5431         value for mode.
5432         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5433
5434 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5435
5436         PR c/529
5437         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5438         nested function declarators.
5439         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5440         (grokparms): Call warn_if_shadowing for parameters used within the
5441         parameter list.
5442         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5443         not used within the parameter list.
5444         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5445
5446 2005-07-30  Jan Hubicka  <jh@suse.cz>
5447
5448         * expr.c (expand_expr_real_1): Do not load mem targets into register.
5449         * i386.c (ix86_fixup_binary_operands): Likewise.
5450         (ix86_expand_unary_operator): Likewise.
5451         (ix86_expand_fp_absneg_operator): Likewise.
5452         * optabs.c (expand_vec_cond_expr): Validate dest.
5453
5454 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5455
5456         PR c/21720
5457         * real.c (real_from_string): Also set last bit if there is a
5458         nonzero hex digit beyond GCC's internal precision after ".".
5459
5460 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
5461
5462         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5463         define_constants.  Change duplicate values to unassigned numbers.
5464         Change UNSPEC_SUBS to UNSPEC_VSUBS.
5465         (*altivec_vspltsf): New.
5466         (altivec_vperm_v4sf): Delete.
5467         (altivec_vperm_<mode>): Use mode macro V.
5468         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5469         (altivec_predicate_v4sf): Delete.
5470         (altivec_predicate_<mode>): Use mode macro V.
5471         (*altivec_lvesfx): New.
5472         (*altivec_stvesfx): New.
5473         (vec_realign_load_v4sf): Delete.
5474         (vec_realign_load_<mode>): Use mode macro V.
5475         * config/rs6000/rs6000.c (generate_set_vrsave): Use
5476         UNSPECV_SET_VRSAVE.
5477
5478 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
5479
5480         PR bootstrap/23131
5481         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5482         string.
5483         * configure: Regenerated.
5484
5485 2005-07-29  Paul Brook  <paul@codesourcery.com>
5486
5487         * doc/install.texi: Add link to GFortran binaries wiki page.
5488
5489 2005-07-29  David Ung  <davidu@mips.com>
5490
5491         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5492         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5493         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5494         * config/mips/mips.md (cpu): Add 5kf name.
5495         (includes): Includes 5k.md.
5496         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5497         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5498         -march flag.
5499
5500 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5501
5502         PR 22550
5503         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5504         (cleanup_tree_cfg): ... here.
5505         Call cleanup_tree_cfg_1 until there are no more cleanups to
5506         do.
5507
5508 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
5509
5510         * tree-vrp.c (compare_range_with_value): Return true or false
5511         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5512         EQ_EXPR respectively.
5513
5514 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
5515
5516         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5517         Fix comment typos.
5518
5519 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5520
5521         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5522         (tree_ssa_dominator_optimize): Increment it.
5523         (dump_dominator_optimization_stats): Print it.
5524
5525 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
5526             Steven Bosscher  <stevenb@suse.de>
5527
5528         PR rtl-optimization/23117
5529         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5530         when head == tail.  Tidy comment.
5531
5532 2005-07-28  Richard Henderson  <rth@redhat.com>
5533
5534         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5535         * cselib.c (rtx_equal_for_cselib_p): Likewise.
5536         * jump.c (rtx_renumbered_equal_p): Likewise.
5537         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5538         CONST_INT and CONST_DOUBLE.
5539         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5540         * reload.c (operands_match_p): Special case CONST_INT and
5541         CONST_DOUBLE; check mode earlier.
5542
5543 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5544
5545         PR c/22240
5546         * c-typeck.c (convert_for_assignment): Do not check
5547         DECL_IN_SYSTEM_HEADER on NULL fundecl.
5548
5549 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5550
5551         PR c/22192
5552         * c-typeck.c (composite_type): Prefer constant size arrays to
5553         VLAs.
5554
5555 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5556
5557         PR c/21720
5558         * real.c (real_from_string): Set last bit if there is a nonzero
5559         hex digit beyond GCC's internal precision.
5560
5561 2005-07-28  Richard Henderson  <rth@redhat.com>
5562
5563         PR rtl-opt/22619
5564         * cfgcleanup.c (try_forward_edges): Watch out for end of
5565         insn chain.
5566
5567 2005-07-28  James E Wilson  <wilson@specifixinc.com>
5568
5569         PR c/23106
5570         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5571
5572 2005-07-28  Jan Hubicka  <jh@suse.cz>
5573
5574         * Makefile.in (rtl-profile.o): Kill all traces of it.
5575         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5576         * coverage.h (rtl_coverage_counter_ref): Kill.
5577         * opts.c (flag_speculative_prefetching_set): Kill.
5578         (flag_loop_optimize_set): New.
5579         (common_handle_option): Disable loop optimizer when profiling;
5580         do not handle speculative prefetching.
5581         * passes.c (init_optimization_passes): Replace pass_profiling combo
5582         by branch_prob pass.
5583         * profile.c (compute_value_histograms): Update for simplified value
5584         profiles.
5585         (rtl_register_profile_hooks): Kill.
5586         (pass_profiling): Kill.
5587         (rest_of_handle_branch_prob): Do not profile.
5588         * toplev.c (process_options): Remove speculative prefetching.
5589         * toplev.h (flag_tree_based_profiling): Kill.
5590         * tree-profile.c (prepare_instrumented_value,
5591         tree_gen_interval_profiler, tree_gen_pow2_profiler,
5592         tree_gen_one_value_profiler, do_tree_profiling): Update for
5593         simplified datastructures.
5594         * value-prof.c: Add comment that speculative prefetching was dropped;
5595         update rest of file for simplified datastructures.
5596         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5597         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5598         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5599         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5600         rtl_mod_subtract, gen_speculative_prefetch,
5601         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5602         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5603         (gate_handle_value_profile_transformations,
5604         rest_of_handle_value_profile_transformations,
5605         pass_value_profile_transformations): Kill.
5606         * value-prof.h (histogram_value_t): Remove IL based unions.
5607         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5608         rtl_profile_hooks): Remove hooks.
5609
5610         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5611
5612         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5613         (cgraph_clone_node): Likewise.
5614         * cgraph.h (cgraph_clone_edge): Update prototype.
5615         (cgraph_clone_node): Likewise.
5616         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5617         cgraph_clone_node.
5618         (lookup_recursive_calls): Consider profile.
5619         (cgraph_decide_recursive_inlining): Fix updating; use new
5620         probability argument; use profile.
5621         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5622         * tree-inline.c (copy_bb): Update clal of clone_edge.
5623         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5624
5625         * invoke.texi (min-inline-recursive-probability): Document.
5626
5627 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
5628
5629         * doc/install.texi (Configuration): Update Valgrind homepage.
5630
5631 2005-07-28  Richard Henderson  <rth@redhat.com>
5632
5633         PR middle-end/21362
5634         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5635         labels we want to delete.
5636         (cfg_layout_merge_blocks): Likewise.
5637
5638 2005-07-28  Richard Henderson  <rth@redhat.com>
5639
5640         PR target/17692
5641         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5642         when expanding to nothing.
5643
5644 2005-07-28  Josh Conner  <jconner@apple.com>
5645
5646         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5647         (cgraph_decide_inlining_of_small_functions): Likewise.
5648
5649 2005-07-28  Josh Conner  <jconner@apple.com>
5650
5651         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
5652         direction of badness if negative.
5653         (cgraph_default_inline_p): Add reason to parameters, and assign it
5654         a value.
5655         (cgraph_decide_inlining_of_small_functions): New parameter in call
5656         to cgraph_default_inline_p.
5657         (cgraph_decide_inlining_incrementally): Likewise.
5658         * cgraphunit.c (decide_is_function_needed): Likewise.
5659         * cgraph.h (cgraph_default_inline_p): Likewise.
5660
5661 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5662
5663         * builtins.c: Fix comment typo(s).
5664         * genautomata.c: Likewise.
5665         * gimplify.c: Likewise.
5666         * tree-dfa.c: Likewise.
5667         * tree-flow-inline.h: Likewise.
5668         * tree-into-ssa.c: Likewise.
5669         * tree-ssa-alias.c: Likewise.
5670         * tree-ssa-ccp.c: Likewise.
5671         * tree-ssa-copy.c: Likewise.
5672         * tree-ssa-dce.c: Likewise.
5673         * tree-ssa-dom.c: Likewise.
5674         * tree-ssa-operands.c: Likewise.
5675         * tree-tailcall.c: Likewise.
5676         * tree-vectorizer.c: Likewise.
5677         * tree-vrp.c: Likewise.
5678         * tree.c: Likewise.
5679
5680 2005-07-28  Jeff Law  <law@redhat.com>
5681
5682         * tree-vrp.c (test_for_singularity): Extracted from  ...
5683         (simplify_cond_using_ranges): Attempt to simplify a relational
5684         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
5685
5686 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
5687
5688         PR tree-optimization/22506
5689         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5690         phis whose argument is constant.
5691
5692 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
5693
5694         PR rtl-optimization/18992
5695         Back out this patch:
5696           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5697           PR optimization/12142
5698           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5699           uses of the register in the SET_SRC.  Remove unnecessary argument.
5700
5701         Replace it with this:
5702         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5703         if flag_non_call_exceptions is set and the insn may trap, pass
5704         pc_rtx as dest for recursion.
5705         In SET_SRC part of SET case, if dest is already set, pass it down
5706         unchanged.
5707
5708 2005-07-28  Jan Hubicka  <jh@suse.cz>
5709
5710         * cfg.c (update_bb_profile_for_threading): Use RDIV.
5711         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5712         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5713         roundoff errors.
5714         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5715         profile when available.
5716
5717 2005-07-28  Jan Beulich <jbeulich@novell.com>
5718
5719         * config/ia64/ia64.c (ia64_load_pair_ok): New.
5720         (ia64_print_operand): Describe and handle 'X'.
5721         (ia64_register_move_cost): Also handle FP_REGS.
5722         (ia64_preferred_reload_class): Likewise.
5723         (ia64_secondary_reload_class): Likewise.
5724         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5725         it. Also check for ITANIUM_CLASS_FLDP.
5726         * config/ia64/ia64.h (FP_REGNO_P): New.
5727         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5728         (reg_class): Add FP_REGS.
5729         (REG_CLASS_NAMES): Adjust for it.
5730         (REG_CLASS_CONTENTS): Likewise.
5731         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5732         (REG_CLASS_FROM_LETTER): Handle 'x'.
5733         (CLASS_MAX_NREGS): Handle FP_REGS.
5734         (MEMORY_MOVE_COST): Likewise.
5735         * config/ia64/ia64.md (itanium_class): Add fldp.
5736         (type): Handle fldp.
5737         (movti_internal): More allowable operand combinations. Use ldfp8 when
5738         splitting unnecessary. Remove predicable attribute. Adjust
5739         itanium_class attribute.
5740         (smuldi3_highpart): Remove outdated comment.
5741         (mulditi3, umulditi3, rotlti3): New expanders.
5742         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5743         (absti2): Disabled new insn for future reference.
5744         Respective new splitters.
5745         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5746         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5747         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5748
5749 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
5750
5751         PR rtl-optimization/23047
5752         * simplify-rtx.c (simplify_const_relational_operation): Respect
5753         flag_wrapv for comparisons with ABS.
5754
5755 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
5756
5757         PR tree-optimization/22493
5758         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5759         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5760
5761 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
5762
5763         * config/frv/frv.opt (moptimize-membar): New.
5764
5765         * doc/invoke.texi: Document -moptimize-membar and its inverse.
5766
5767         * config/frv/frv.h: Remove machine_function definition.
5768
5769         * config/frv/frv.c (struct frv_io): New.
5770         (struct machine_function): Moved from frv.h.  Add has_membar_p.
5771         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5772         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5773         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5774         (frv_optimize_membar_global, frv_optimize_membar): New functions.
5775         (frv_reorg): Call frv_optimize_membar when appropriate.
5776         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5777         (frv_expand_builtin): Adjust calls accordingly.
5778         (frv_io_address_cookie): New function.
5779         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5780         load or store rather than a special insn.  Add ccnstant address and
5781         io-type operands to the membar.
5782         (frv_ifcvt_modify_tests): Unsign regno.
5783         (frv_ifcvt_modify_tests): Same.
5784
5785         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
5786         UNSPEC_OPTIONAL_MEMBAR constant.
5787         (builtin_read_<mode>): Delete.
5788         (builtin_write_<mode>): Delete.
5789         ("optional_membar_<mode>"): Add operand.
5790
5791         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5792         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5793         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5794         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5795         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5796         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5797         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5798         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5799         * testsuite/gcc.target/frv/all-read-write-1.c: New.
5800
5801 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5802
5803         * df.c (df_uses_record): Handle SCRATCH.
5804
5805 2005-07-28  Steven Bosscher  <stevenb@suse.de>
5806
5807         PR debug/20161
5808         * passes.c (rest_of_decl_compilation): If decl is a type and
5809         we have encountered errors, don't emit debug information.
5810
5811 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
5812
5813         * params.def: Fixed comment.
5814
5815 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
5816
5817         PR target/19885
5818         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5819         (TARGET_ASM_UNALIGNED_HI_OP): Add.
5820         (TARGET_ASM_UNALIGNED_SI_OP): Add.
5821
5822 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5823
5824         PR c++/22003
5825         * varasm.c (assemble_start_function): Don't do anything that may
5826         require a CFG if the current function is a thunk.
5827
5828 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
5829
5830         * doc/install.texi (Prerequisites): Mention that perl is needed
5831         to do export control in libstdc++ targetting Darwin.
5832
5833 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5834
5835         PR rtl-optimization/17808
5836         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5837         (sched_insns_conditions_mutex_p): Split out from...
5838         (add_dependence): ...here.  But don't call it from here.
5839         (add_dependence_list): Check sched_insns_conditions_mutex_p
5840         before calling add_dependence.
5841         (add_dependence_list_and_free): Likewise.
5842         (fixup_sched_groups): Likewise.
5843         (sched_analyze_1): Likewise.
5844         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5845         (sched_analyze): Likewise.
5846         (sched_analyze_insn): Likewise.
5847         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5848         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
5849         dependencies on all COND_EXEC insns to jumps ending basic blocks
5850         when doing intrablock scheduling.
5851         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5852
5853 2005-07-27  Jeff Law  <law@redhat.com>
5854
5855         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5856         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
5857         equivalency sets, correctly handle the case were vr0 has an
5858         equivalency set, but vr1 does not.
5859
5860 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
5861
5862         PR tree-optimization/23073
5863         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5864         vect_print_dump_info before fprintf.
5865
5866 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5867
5868         PR tree-optimize/22348
5869         * tree-ssa-loop-niter.c (number_of_iterations_cond):
5870         Fold the partial computation.
5871
5872 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5873
5874         PR tree-optimization/22325
5875         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5876         Declare.
5877         * tree-scalar-evolution.c (scev_const_prop): Add generic final
5878         value replacement.
5879         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5880         (force_var_cost): ... this function.
5881         (compute_phi_arg_on_exit): Export.
5882
5883 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5884
5885         PR tree-optimization/20773
5886         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5887         edge.
5888
5889 2005-07-27  Richard Guenther  <rguenther@suse.de>
5890
5891         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5892         Avoid pushing again if current struct contains only
5893         fields we decomposed.
5894
5895 2005-07-27  Jan Hubicka  <jh@suse.cz>
5896
5897         PR tree-optimization/22574
5898         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5899         not available.
5900
5901         * tree-tailcall.c (decrease_profile): New function.
5902         (eliminate_tail_call): Use it.
5903
5904         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5905         visibility flags correctly in whole program mode.
5906
5907 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
5908
5909         PR rtl-optimization/22472
5910         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5911
5912 2005-07-26  Steven Bosscher  <stevenb@suse.de>
5913
5914         PR tree-optimization/22504
5915         * tree-complex.c (expand_complex_addition): Use 'code' instead
5916         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5917
5918 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5919
5920         * config.gcc (cpu_type): Add frv case.
5921         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5922         (supported_defaults): Add fr550 case.
5923
5924 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
5925
5926         PR 22591
5927         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5928         whether a pointer of type T * may point to objects of type T *.
5929
5930 2005-07-26  DJ Delorie  <dj@redhat.com>
5931
5932         * configure: Regenerate.
5933
5934 2005-07-26  Dale Johannesen  <dalej@apple.com>
5935
5936         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
5937
5938 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
5939
5940         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5941         Clarify use of "build" in name.
5942
5943 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5944
5945         * doc/extend.texi (Raw read/write Functions): New section.
5946         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5947         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5948         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5949         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5950         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5951         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5952         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5953         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5954         * config/frv/frv.c: Add bdesc_loads global.
5955         Add bdesc_stores global.
5956         (frv_init_builtins): Add support for __builtin_{read/write}*.
5957         (frv_volatile_memref): New.
5958         (frv_expand_load_builtin): New.
5959         (frv_expand_store_builtin): New.
5960         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5961         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5962         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5963         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5964         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5965         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5966         (builtin_read_<mode>): New.
5967         (builtin_write_<mode>): New.
5968         (builtin_write64): New.
5969         (optional_membar_<mode>): New.
5970
5971 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
5972
5973         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5974         (rather than units) against HOST_BITS_PER_WIDE_INT.
5975
5976 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
5977
5978         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5979         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5980         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5981         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5982         FSF address.
5983
5984         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5985         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5986         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5987         comment typos.
5988         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5989
5990 2005-07-26  Richard Guenther  <rguenther@suse.de>
5991
5992         PR tree-optimization/22486
5993         * fold-const.c (fold_unary): Fold away useless component
5994         references of the form (T *)&T.x, if the address
5995         doesn't change.
5996
5997 2005-07-25  James E Wilson  <wilson@specifixinc.com>
5998
5999         * dwarf2out.c (add_call_src_coords_attributes): New.
6000         (gen_inlined_subroutine_die): Call it.
6001         (maybe_emit_file, init_file_table): Add comments.
6002         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6003         maybe_emit_file.
6004         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6005         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6006         * tree.h (BLOCK_SOURCE_LOCATION): New.
6007         (struct tree_block): New field locus.
6008
6009 2005-07-26  Andreas Schwab  <schwab@suse.de>
6010
6011         PR rtl-optimization/23043
6012         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6013         when allocating a struct unoccr.
6014
6015 2005-07-25  Richard Henderson  <rth@redhat.com>
6016
6017         PR 22626
6018         * tree-complex.c (gate_no_optimization): True if errors.
6019         * Makefile.in (tree-complex.o): Update dependencies.
6020
6021 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
6022
6023         * config/frv/predicates.md (integer_register_operand): Use
6024         GPR_AP_OR_PSEUDO_P.
6025
6026 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6027
6028         PR tree-opt/22484
6029         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6030         after fold.
6031         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6032
6033 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6034
6035         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6036         types when flag_unsafe_math_optimizations is true.
6037
6038 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
6039
6040         * gcc.c (option_map): Add --sysroot.
6041         (process_command): Handle --sysroot.
6042         (display_help): Document it.
6043         * doc/cppopts.tex (-isysroot): Document.
6044         * doc/invoke.texi (--sysroot): Document.
6045         * doc/install.texi (--with-build-sysroot): Document.
6046
6047         * Makefile.in (inhibit_libc): New variable.
6048         (INHIBIT_LIBC_CFLAGS): Likewise.
6049         (LIBGCC2_CFLAGS): Include
6050         $(INHIBIT_LIBC_CFLAGS).
6051         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6052         ($(T)crtbegin.o): Do not use @inhibit_libc@.
6053         ($(T)crtend.o): Likewise.
6054         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6055         ($(T)crtendS.o): Likewise.
6056         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6057         ($(T)crtendT.o): Likewise.
6058         (stmp-fixinc): Do not complain about missing headers if
6059         inhibit_libc.
6060         * configure.ac (inhibit_libc): Set it to true/false.
6061         (--with-build-sysroot): New option.  Use it to set
6062         SYSTEM_HEADER_DIR.
6063         * configure: Regenerated.
6064
6065 2005-07-25  Manfred Hollstein  <mh@suse.com>
6066
6067         * calls.c (store_one_arg): Fix unsigned comparison warning.
6068
6069 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6070
6071         PR other/22337
6072         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6073         (ggc_print_statistics): Initialize variable before use.
6074
6075 2005-07-25  Richard Guenther  <rguenther@suse.de>
6076
6077         * tree-dfa.c (mark_new_vars_to_rename): Protect against
6078         calling with a PHI_NODE argument.
6079
6080         * tree-flow-inline.h (overlap_subvar): Protect against
6081         possible overflow.
6082
6083 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
6084
6085         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6086         * configure: Regenerate.
6087
6088 2005-07-25  Ira Rosen  <irar@il.ibm.com>
6089
6090         * expr.c (highest_pow2_factor): Make extern.
6091         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6092         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6093         record_array_differ_p, array_ptr_differ_p): Likewise.
6094         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6095         additional cases. Call the above functions.
6096         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6097         base_object_differ_p when there are two base objects. Otherwise, compare
6098         base address and offset. Call may_alias_p.
6099         (dump_data_reference): Use a correct field name.
6100         (analyze_array): Make static. Initialize new data-ref fields.
6101         (analyze_indirect_ref): New function.
6102         (init_data_ref): Initialize new data-ref fields.
6103         (strip_conversion): Moved from tree-vect-analyze.c.
6104         (analyze_offset_expr, get_ptr_offset, address_analysis,
6105         object_analysis): Likewise.
6106         (analyze_offset): New function.
6107         (create_data_ref): Likewise.
6108         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6109         dimensions for ARRAY_REFs only.
6110         (build_classic_dist_vector): Make static.
6111         (access_functions_are_affine_or_constant_p): Call macro to get the
6112         address of access functions.
6113         (compute_all_dependences): Add new parameter
6114         compute_self_and_read_read_dependences. Compute self and read-read
6115         dependences if it is true.
6116         (find_data_references_in_loop): Call create_data_ref. Initialize new
6117         data-ref fields.
6118         (compute_data_dependences_for_loop): Add new parameter
6119         compute_self_and_read_read_dependences. Remove parameter nb_loops,
6120         compute nb_loops. Call compute_all_dependences,
6121         build_classic_dist_vector and build_classic_dir_vector with correct
6122         parameters.
6123         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6124         with correct parameters. Compare dimensions for ARRAY_REFs only.
6125         (free_data_refs): Call macro to free access functions.
6126         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6127         fields from stmt_vinfo.
6128         (struct base_object_info): New structure.
6129         (struct data_reference): Move fields to base_object_info. Add fields
6130         first_location and object_info for above structures. Move fields from
6131         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6132         aligned_to.  Add macros to access the new fields.
6133         Update functions declarations.
6134         * tree-flow.h (is_aliased_with): Declare.
6135         * tree-loop-linear.c (linear_transform_loops): Call
6136         compute_data_dependences_for_loop with correct parameters.
6137         * tree-ssa-alias.c (is_aliased_with): New function.
6138         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6139         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6140         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6141         vect_base_addr_differ_p, compute_subscript_distance and
6142         build_classic_dist_vector. Add printings. Check absolute value of
6143         distance.
6144         (vect_analyze_data_ref_dependences): Go through ddrs instead of
6145         data-refs.
6146         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6147         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6148         to bytes. Add printing.
6149         (vect_compute_data_refs_alignment): Go through loads and stores in one
6150         loop.
6151         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6152         vect_analyze_data_ref_access): Likewise.
6153         (vect_analyze_pointer_ref_access): Remove.
6154         (vect_address_analysis, vect_object_analysis): Likewise.
6155         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6156         and analyze data-refs in the loop.
6157         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6158         fields of data-ref instead of stmt. Add init to the offset from the
6159         base.
6160         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6161         (vect_update_init_of_dr): Likewise.
6162         (vect_update_inits_of_drs): Go through loads and stores in one loop.
6163         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6164         removed fields.
6165         (new_loop_vec_info): Initialize new fields.
6166         (destroy_loop_vec_info): Free new fields.
6167         (vect_strip_conversion): Remove.
6168         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6169         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6170         datarefs. Add new field ddrs.
6171         Add macros for the new fields access.
6172         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6173         base_aligned_p, misalignment, memtag, ptr_info and subvars.
6174         Remove their macros.
6175         * tree.h (highest_pow2_factor): Declare.
6176
6177 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
6178
6179         * calls.c (store_one_arg): Check for sibling call MEM arguments
6180         from already clobbered incoming argument area.
6181
6182 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6183
6184         * c-common.c (check_missing_format_attribute): New.
6185         * c-common.h (check_missing_format_attribute): Likewise.
6186         * c-typeck.c (convert_for_assignment): Use it.
6187
6188 2005-07-24  Andreas Schwab  <schwab@suse.de>
6189
6190         * config/m68k/m68k.md ("extendqidi2"): When source is an address
6191         register use a word move.  Correct operand of ext.w in 68000 code.
6192
6193 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
6194
6195         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6196         variables as declarations, rather than definitions.
6197
6198 2005-07-24  Ira Rosen  <irar@il.ibm.com>
6199
6200         PR tree-optimization/22526
6201         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6202         of the zero node.
6203
6204 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6205
6206         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6207         that C99 reserve for future use. Use it to define clog10,
6208         clog10f and clog10l.
6209
6210 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6211
6212         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6213         * configure.ac: Check for -Wmissing-format-attribute.
6214
6215         * configure: Regenerate.
6216
6217 2005-07-23  Richard Henderson  <rth@redhat.com>
6218
6219         PR tree-optimization/22623
6220         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6221
6222 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
6223
6224         PR target/22577
6225         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6226
6227 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6228
6229         * Makefile.in (C_TREE_H): Update dependencies.
6230         * c-tree.h: Include toplev.h.
6231         * diagnostic.h (diagnostic_set_info): Add format attribute.
6232         * rtl-error.c (diagnostic_for_asm): Likewise.
6233
6234 2005-07-23  Chao-ying Fu  <fu@mips.com>
6235
6236         * config/mips/mips-dsp.md: New file.
6237         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6238         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6239         functions.
6240         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6241         MIPS_BUILTIN_BPOSGE32.
6242         (mips_expand_builtin_direct): Add one parameter to indicate that
6243         builtin functions need to return a value.
6244         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6245         functions.
6246         (mips_regno_to_class): Add classes for 12 new DSP registers.
6247         (mips_subword): Change to check four HI registers.
6248         (mips_output_move): Output move to and from 6 new DSP accumulators.
6249         (override_options): Make sure -mdsp and -mips16 are not used together.
6250         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
6251         for machine modes.
6252         (mips_conditional_register_usage): Disable 6 new DSP accumulators
6253         when !TARGET_DSP.
6254         (print_operand): Add 'q' for printing DSP accumulators.
6255         (mips_cannot_change_mode_class): Check ACC_REGS.
6256         (mips_secondary_reload_class): Check ACC_REGS.
6257         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6258         (mips_register_move_cost): Check ACC_REGS.
6259         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6260         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6261         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6262         (dsp_bdesc): New array.
6263         (bdesc_arrays): Add DSP builtin function table.
6264         (mips_prepare_builtin_arg): Check predicate again after
6265         copy_to_mode_reg.
6266         (mips_expand_builtin): Add one more parameter to
6267         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6268         MIPS_BUILTIN_BPOSGE32.
6269         (mips_init_builtins): Initialize new function types.
6270         (mips_expand_builtin_direct): Check if builtin functions need to
6271         return a value and pass operands properly.
6272         (mips_expand_builtin_bposge): New function.
6273         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6274         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6275         (FIRST_PSEUDO_REGISTER): Increase to 188.
6276         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6277         Update for 12 new DSP registers.
6278         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6279         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6280         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6281         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6282         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6283         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6284         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6285         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6286         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6287         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6288         (REGISTER_NAMES): Add names for 12 new DSP registers.
6289         * config/mips/mips.md: Include mips-dsp.md.
6290         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6291         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6292         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6293         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6294         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6295         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6296         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6297         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6298         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6299         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6300         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6301         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6302         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6303         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6304         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6305         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6306         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6307         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6308         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6309         (UNSPEC_RDDSP): New constants.
6310         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6311         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
6312         A<-d alternative.
6313         * config/mips/mips.opt (-mdsp): New option.
6314         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6315         (reg_imm10_operand): New predicates.
6316         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6317         * doc/invoke.texi (-mdsp): Document new option.
6318
6319 2005-07-22  DJ Delorie  <dj@redhat.com>
6320
6321         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6322         to warning calls.
6323         * tree-inline.c (inlinable_function_p): Likewise.
6324
6325 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
6326
6327         PR debug/21828
6328         * toplev.c (check_global_declarations): Do not mark undefined
6329         variables as DECL_IGNORED_P.
6330         * varasm.c (first_global_object_name): GTY it.
6331         (weak_global_object_name): Likewise.
6332         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6333         a string to go into {weak,first}_global_object_name.
6334
6335 2005-07-22  DJ Delorie  <dj@redhat.com>
6336
6337         * c-format.c (check_function_format): Change warning control
6338         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6339
6340 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
6341
6342         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6343         &PTR->FLD a dereference of PTR.
6344         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6345         a potential dereference of PTR.
6346
6347 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
6348
6349         PR rtl-optimization/20370
6350         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6351         call allocate_reg_info if necessary.
6352
6353         PR rtl-optimization/21848
6354         * calls.c (emit_library_call_value_1): For const functions, add
6355         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6356
6357         PR rtl-optimization/22445
6358         * cselib.c (target.h): Include.
6359         (rtx_equal_for_cselib_p): Allow commutative matches.
6360         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6361         Remove MODE parameter.  Changed all callers.
6362
6363         PR rtl-optimization/22258
6364         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6365         New functions.
6366         (try_combine): Use likely_spilled_retval_p.
6367
6368 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
6369
6370         * config.gcc: Add crx-elf support.
6371
6372         * doc/contrib.texi: Mention crx.
6373         * doc/extend.texi: Document crx extensions.
6374         * doc/install.texi: Document crx install.
6375         * doc/invoke.texi: Document crx options.
6376         * doc/md.texi: Document crx constraints.
6377
6378         * config/crx/crx-protos.h: New file.
6379         * config/crx/crx.c: New file.
6380         * config/crx/crx.h: New file.
6381         * config/crx/crx.md: New file.
6382         * config/crx/crx.opt: New file.
6383         * config/crx/t-crx: New file.
6384
6385 2005-07-22  Manfred Hollstein  <mh@suse.com>
6386
6387         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6388         warnings.
6389         (int_add_graph_edge): Likewise.
6390         (collapse_nodes): Likewise.
6391         (process_unification_queue): Likewise.
6392
6393 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6394             Laurent GUERBY  <laurent@guerby.net>
6395
6396         PR tree-optimization/22336
6397         * function.c (record_block_change): Check for
6398         cfun->ib_boundaries_block.
6399
6400 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
6401
6402         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6403         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6404
6405 2005-07-21  DJ Delorie  <dj@redhat.com>
6406
6407         * toplev.c (warn_deprecated_use): Add warning control to warning
6408         call.
6409         * c-typeck.c (parser_build_binary_op): Likewise.
6410         (c_finish_if_stmt): Likewise.
6411         * c-common.c (check_function_sentinel): Likewise.
6412         (check_nonnull_arg): Likewise.
6413
6414 2005-07-21  Richard Henderson  <rth@redhat.com>
6415
6416         PR tree-opt/22504
6417         * tree-complex.c (complex_ssa_name_components): New.
6418         (cvc_lookup): Allow entry not found.
6419         (create_components): Remove.
6420         (create_one_component_var, get_component_var): New.
6421         (get_component_ssa_name, set_component_ssa_name): New.
6422         (extract_component): Use get_component_ssa_name.
6423         (update_complex_components): Use set_component_ssa_name.
6424         (update_complex_components_on_edge): Likewise.
6425         (update_phi_components): Create new PHI nodes directly, instead
6426         of adding insns to edges.
6427         (tree_lower_complex): Allocate and free complex_variable_components
6428         and complex_ssa_name_components here.
6429
6430 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
6431
6432         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6433         revert to returning false.
6434
6435 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6436
6437         PR target/21149
6438         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6439
6440 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6441
6442         PR target/22576
6443         * config/i386/i386.md (cmpxf): Change operand constraints
6444         to "nonmemory_operand".
6445
6446 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6447
6448         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6449
6450 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6451
6452         PR middle-end/21180
6453         * fold-const.c (fold_build1): Add checksum for the operands.
6454         (fold_build2): Likewise.
6455         (fold_build3): Likewise.
6456
6457 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6458
6459         PR middle-end/19055
6460         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6461
6462 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6463
6464         * common.opt (-fforward-propagate): Committed by mistake,
6465         removed.
6466
6467 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6468
6469         * reg-stack.c: Fix comment typo(s).
6470         * tree-ssa-operands.c: Likewise.
6471         * tree-vectorizer: Likewise.
6472
6473 2005-07-21  Nick Clifton  <nickc@redhat.com>
6474
6475         * config/sh/symbian.c: Replace C++ style line comments with C
6476         style line comments.
6477         (symbian_add_attribute): Do not use a ? operator on the LHS of
6478         an assignment.
6479         (sh_symbian_handle_dll_attribute): Change the type of the
6480         method vector to "VEC(tree,gc)*" and use vector accessor
6481         macros to walk over the elements.
6482         (symbian_export_vtable_and_rtti_p): Likewise.
6483         (symbian_class_needs_attribute_p): Likewise.
6484
6485 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6486
6487         PR target/22085
6488         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6489         initialize targetm.resolve_overloaded_builtin here.
6490         (altivec_expand_overloaded_builtin): Make it non-static.
6491         * config/rs6000/rs6000-protos.h
6492         (altivec_expand_overloaded_builtin): New prototype.
6493         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6494         targetm.resolve_overloaded_builtin here.
6495         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6496
6497 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6498             Zdenek Dvorak  <dvorakz@suse.cz>
6499
6500         PR tree-optimization/19210
6501         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6502         New.
6503         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6504         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6505         rely on unproven assumptions.
6506         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6507         * tree-flow.h (number_of_iterations_exit): Add final parameter.
6508         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6509         to number_of_iterations_exit.
6510         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6511         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6512         * tree-ssa-loop-niter.c (find_loop_niter,
6513         estimate_numbers_of_iterations_loop): Likewise.
6514         (number_of_iterations_exit): Honor the new options.
6515         * doc/invoke.texi (Wunsafe-loop-optimizations,
6516         funsafe-loop-optimizations): Document them.
6517
6518 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
6519
6520         PR rtl-optimization/22167
6521         * gcse.c (hoist_code): Fix hoist_exprs[] check.
6522
6523 2005-07-20  Adam Nemet  <anemet@lnxw.com>
6524
6525         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6526         __do_global_dtors_aux longcall.
6527
6528 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
6529
6530         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6531         (old_special_pred_table): Don't reference
6532         SPECIAL_MODE_PREDICATES.
6533         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6534         * config/arc/arc.h: Don't mention PREDICATE_CODES.
6535         * config/sh/predicates.h: Don't mention
6536         SPECIAL_MODE_PREDICATES.
6537         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6538         Remove.
6539
6540 2005-07-20  DJ Delorie  <dj@redhat.com>
6541
6542         * config.gcc: Add m32c-elf support.
6543
6544         * doc/contrib.texi: Mention m32c.
6545         * doc/extend.texi: Document m32c extensions.
6546         * doc/install.texi: Mention m32c.
6547         * doc/invoke.texi: Document m32c options.
6548         * doc/md.texi: Document m32c constraints.
6549
6550         * config/m32c/addsub.md: New file.
6551         * config/m32c/bitops.md: New file.
6552         * config/m32c/cond.md: New file.
6553         * config/m32c/jump.md: New file.
6554         * config/m32c/m32c-lib1.S: New file.
6555         * config/m32c/m32c-lib2.c: New file.
6556         * config/m32c/m32c-modes.def: New file.
6557         * config/m32c/m32c-pragma.c: New file.
6558         * config/m32c/m32c-protos.h: New file.
6559         * config/m32c/m32c.abi: New file.
6560         * config/m32c/m32c.c: New file.
6561         * config/m32c/m32c.h: New file.
6562         * config/m32c/m32c.md: New file.
6563         * config/m32c/m32c.opt: New file.
6564         * config/m32c/minmax.md: New file.
6565         * config/m32c/mov.md: New file.
6566         * config/m32c/muldiv.md: New file.
6567         * config/m32c/predicates.md: New file.
6568         * config/m32c/prologue.md: New file.
6569         * config/m32c/shift.md: New file.
6570         * config/m32c/t-m32c: New file.
6571
6572 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6573
6574         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6575         (stack_protect_set, stack_protect_test): New expanders.
6576         (stack_protect_set_si, stack_protect_set_si_media,
6577         stack_protect_set_di_media, stack_protect_test_si,
6578         stack_protect_test_si_media, stack_protect_test_di_media):
6579         New insns.
6580
6581 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
6582
6583         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6584
6585 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
6586
6587         * tree.h (tree_expr_nonzero_p): Export.
6588         * fold-const.c (tree_expr_nonzero_p): Likewise.
6589         Return true for CALL_EXPRs that are alloca calls.
6590         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6591         against zero.
6592         * tree-flow.h (expr_computes_nonzero): Remove.
6593         * tree-vrp.c (expr_computes_nonzero): Remove.
6594         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6595         (extract_range_from_unary_expr): Likewise.
6596         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6597         tree_expr_nonzero_p.
6598
6599 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
6600
6601         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6602         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
6603         extra arg "picreg" and use it instead of pic_offset_table_rtx.
6604         All callers changed.
6605         (frame_related_constant_load): New arg "related" which controls
6606         setting of RTX_FRAME_RELATED_P.  All callers changed.
6607         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6608         (bfin_expand_prologue): Add stack limit checking.
6609         * config/bfin/bfin.md (trapifcc): New pattern.
6610
6611         * config/bfin/bfin.c: Include "langhooks.h".
6612         (def_builtin): Go through lang_hooks to call builtin_function.
6613
6614         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6615         * config/bfin/predicates.md (symbol_ref_operand): New.
6616         (call_insn_operand): Delete.  All callers changed to use
6617         register_no_elim_operand.
6618         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6619         call_cookie field.
6620         (function_arg): Use it to generate the call's operand 2.
6621         (bfin_longcall_p): New function.
6622         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
6623         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
6624         determine if the address needs to be in a REG.
6625         (bfin_handle_longcall_attribute): New function.
6626         (bfin_attribute_table): Add "longcall" and "shortcall".
6627         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6628         (CUMULATIVE_ARGS): New member call_cookie.
6629         (PREDICATE_CODES): Add symbol_ref_operand.
6630         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6631         extra USE to the pattern.
6632         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6633         New patterns, split off call_insn, sibcall_insn, call_value_insn and
6634         sibcall_value_insn; now the new patterns handle direct calls and the
6635         old ones indirect calls.
6636         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6637
6638 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
6639
6640         * doc/trouble.texi: Update section on handling of empty loops.
6641
6642 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
6643
6644         * config.gcc: Remove support for sparc-*-openbsd*,
6645         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6646         ns32k-*-netbsd*.
6647         * config.host: Remove support for i860-*-sysv4* as a host.
6648         * config/i860/*, config/ip2k/*, config/ns32k/*,
6649         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6650         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6651         mention obsolete ports.
6652
6653 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6654
6655         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6656         soft frame pointer.
6657         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6658         of frame_pointer_rtx.
6659         (sh_expand_epilogue): Likewise.
6660         (sh_set_return_address): Likewise.
6661         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6662         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
6663         offsets from FRAME_POINTER_REGNUM.
6664         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6665         (sh_register_names): Add initializer for sfp.
6666         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6667         (VALID_REGISTER_P): Likewise.
6668         (FIRST_PSEUDO_REGISTER): Update.
6669         (DWARF_FRAME_REGISTERS): Define.
6670         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6671         (HARD_FRAME_POINTER_REGNUM): Define.
6672         (FRAME_POINTER_REGNUM): Redefine.
6673         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6674         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
6675         from FRAME_POINTER_REGNUM.
6676         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6677         FRAME_POINTER_REGNUM.
6678         (REG_CLASS_CONTENTS): Add sfp.
6679         (REG_ALLOC_ORDER): Likewise.
6680         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
6681         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6682         of frame_pointer_rtx.
6683         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6684
6685 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
6686
6687         * fold-const.c (tree_expr_nonnegative_p): Only return true for
6688         ABS_EXPR when flag_wrapv is false because of INT_MIN.
6689         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6690         of an ABS_EXPR.
6691         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6692         ABS_EXPR<x>.
6693
6694 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
6695
6696         Make CONSTRUCTOR use VEC to store initializers.
6697         * c-common.c (complete_array_type): Update to cope with VEC in
6698         CONSTRUCTOR_ELTS.
6699         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6700         (pp_c_constructor_elts): New function.
6701         * c-pretty-print.h (pp_c_constructor_elts): Declare.
6702         * c-typeck.c (build_function_call, build_c_cast, digest_init,
6703         struct constructor_stack, struct initializer_stack,
6704         constructor_elements, push_init_level, pop_init_level,
6705         add_pending_init, find_init_member, output_init_element): Update to
6706         cope with VEC in CONSTRUCTOR_ELTS.
6707         * coverage.c (build_fn_info_value, build_ctr_info_value,
6708         build_gcov_info): Likewise.
6709         * expr.c (categorize_ctor_elements_1, store_constructor,
6710         expand_expr_real_1): Likewise.
6711         * fold-const.c (fold_ternary): Likewise.
6712         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6713         gimplify_init_constructor, gimplify_expr): Likewise.
6714         * tree-dump.c (dequeue_and_dump): Likewise.
6715         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6716         node.
6717         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6718         CONSTRUCTOR_ELTS.
6719         * tree-sra.c (generate_element_init_1): Likewise.
6720         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6721         * tree-ssa-operands.c (get_expr_operands): Likewise.
6722         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6723         * tree-vect-transform.c (vect_get_vec_def_for_operand):
6724         (get_initial_def_for_reduction): Likewise.
6725         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6726         value handle in annotations.
6727         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6728         tree_node_structure): Add support for constr_kind.
6729         (build_vector_from_ctor, build_constructor_single,
6730         build_constructor_from_list): New functions.
6731         (build_constructor): Update to take a VEC instead of a TREE_LIST.
6732         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6733         Update to cope with VEC in CONSTRUCTOR_ELTS.
6734         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6735         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6736         CONSTRUCTOR_APPEND_ELT): New macros.
6737         (struct constructor_elt, struct tree_constructor): New data types.
6738         (union tree_node): Add tree_constructor field.
6739         * treestruct.def: Define TS_CONSTRUCTOR.
6740         * varasm.c (const_hash_1, compare_constant, copy_constant,
6741         compute_reloc_for_constant, output_addressed_constants,
6742         initializer_constant_valid_p, output_constant,
6743         array_size_for_constructor, output_constructor): Update to cope with
6744         VEC in CONSTRUCTOR_ELTS.
6745         * vec.h (VEC_empty, VEC_copy): New macros.
6746
6747 2005-07-19  Devang Patel  <dpatel@apple.com>
6748
6749         * dbxout.c (dbxout_type): Check Objective-C++ lang.
6750
6751 2005-07-19  Richard Henderson  <rth@redhat.com>
6752
6753         PR tree-opt/22278
6754         * gimplify.c (gimplify_expr): Use main variant type for the temp
6755         destination for a discarded volatile read.
6756         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6757         casts between non-void types that change volatility.
6758
6759 2005-07-15  DJ Delorie  <dj@redhat.com>
6760
6761         * toplev.h: Add comment about the first parameter for warning().
6762         * errors.h: Likewise.
6763
6764         * c.opt (Wpragmas): New.
6765         * doc/invoke.texi: Document it.
6766
6767         * function.c (do_warn_unused_parameter): Add warning control to
6768         warning call.
6769         * c-decl.c (warn_if_shadowing): Likewise.
6770         * c-lex.c (cb_def_pragma): Likewise.
6771         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6772         (pop_alignment): Likewise.
6773         (handle_pragma_pack): Likewise.
6774         (apply_pragma_weak): Likewise.
6775         (handle_pragma_weak): Likewise.
6776         (handle_pragma_redefine_extname): Likewise.
6777         (add_to_renaming_pragma_list): Likewise.
6778         (handle_pragma_extern_prefix): Likewise.
6779         (maybe_apply_renaming_pragma): Likewise.
6780         (handle_pragma_visibility): Likewise.
6781
6782         * config/c4x/c4x-c.c (BAD): Likewise.
6783         (c4x_parse_pragma): Likewise.
6784         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6785         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6786         (rs6000_pragma_longcall): Likewise.
6787         * config/v850/v850-c.c (pop_data_area): Likewise.
6788         (ghs_pragma_section): Likewise.
6789         (ghs_pragma_section): Likewise.
6790         (ghs_pragma_interrupt): Likewise.
6791         (ghs_pragma_starttda): Likewise.
6792         (ghs_pragma_startsda): Likewise.
6793         (ghs_pragma_startzda): Likewise.
6794         (ghs_pragma_endtda): Likewise.
6795         (ghs_pragma_endsda): Likewise.
6796         (ghs_pragma_endzda): Likewise.
6797
6798 2005-07-19  Danny Berlin <dberlin@dberlin.org>
6799             Kenneth Zadeck <zadeck@naturalbridge.com>
6800
6801         * Makefile.in: Removed tree-promote-statics.c
6802         * tree-promote-statics.c: Removed.
6803         * common.opt: Removed flag-promote-statics.
6804         * opts.c: Ditto.
6805         * passes.c: Removed tree-promote-statics pass.
6806         * tree-pass.h: Ditto.
6807         * timevar.def: Removed TV_PROMOTE_STATICS.
6808
6809
6810 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
6811
6812         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6813         and *-*-freebsd9.
6814         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6815
6816 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6817
6818         PR c/22476
6819         * c-common.c (check_function_arguments): Call
6820         'check_function_format' if either -Wformat or
6821         -Wmissing-format-attribute are specified.
6822         * c-format.c (check_function_format): Check -Wformat before
6823         calling 'check_format_info'.
6824         * c-opts.c (c_common_post_options): Don't warn for
6825         -Wmissing-format-attribute without -Wformat.
6826         * c-typeck.c (convert_for_assignment): Detect additional cases for
6827         -Wmissing-format-attribute.
6828         * doc/invoke.texi (-Wmissing-format-attribute): Document new
6829         behavior.
6830
6831 2005-07-19  Richard Guenther  <rguenther@suse.de>
6832
6833         * config/i386/i386.md (lrint<mode>2): Use temporary
6834         instead of clobbering non-existent memory.
6835
6836 2005-07-19  Nick Clifton  <nickc@redhat.com>
6837
6838         * config/avr/avr.c (legitimate_address_p): Fix debugging print
6839         statement to avoid displaying ASCII control characters.
6840
6841 2005-07-19  Ben Elliston  <bje@au.ibm.com>
6842
6843         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6844         * cfganal.c (find_edge_index): Ditto.
6845         * combine.c (combine_instructions): Ditto.
6846         * ddg.c (create_scc): Ditto.
6847         (find_successors): Ditto.
6848         (find_predecessors): Ditto.
6849         (find_nodes_on_paths): Ditto.
6850         (longest_simple_path): Ditto.
6851         * flow.c (update_life_info): Ditto.
6852         (count_or_remove_death_notes): Ditto.
6853         (clear_log_links): Ditto.
6854         * modulo-sched.c (generate_reg_moves): Ditto.
6855         (find_max_asap): Ditto.
6856         (find_max_hv_min_mob): Ditto.
6857         (find_max_dv_min_mob): Ditto.
6858         * sbitmap.c (sbitmap_first_set_bit): Ditto.
6859         * sched-rgn.c (extract_edgelst): Ditto.
6860         * tree-into-ssa.c (prepare_names_to_update): Ditto.
6861         (dump_update_ssa): Ditto.
6862         (ssa_names_to_replace) Ditto.
6863         (switch_virtuals_to_full_rewrite): Ditto.
6864         (update_ssa): Ditto.
6865         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6866
6867 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
6868
6869         Fix PR tree-optimization/22483
6870
6871         * tree-complex.c (create_components): Use
6872         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6873         * tree-flow-inline.h (fill_referenced_var_vec): New function.
6874         * tree-flow.h (safe_referenced_var_iterator): New structure.
6875         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6876         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6877         safe_referenced_var iterator.
6878         (add_type_alias): Ditto.
6879
6880 2005-07-19  Steven Bosscher  <stevenb@suse.de>
6881
6882         * loop-init.c (rest_of_handle_loop2): Remove.
6883         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6884         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6885         (pass_rtl_loop_init, pass_rtl_loop_done,
6886         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6887         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6888         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6889         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6890         pass_tree_loop_done, and pass_tree_unswitch.
6891         (gate_loop): Rename to gate_tree_loop.
6892         * passes.c (init_optimization_passes): Update for renamed tree
6893         loop passes.  Add the new loop2 passes as subpasses of loop2.
6894         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6895         Update for the renamed tree loop passes.
6896
6897 2005-07-18  Ian Lance Taylor  <ian@airs.com>
6898
6899         PR middle-end/22057
6900         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6901         blocks when optimizing.
6902
6903 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
6904
6905         * common.opt (frename-registers): Initialize to 2.
6906         (fweb): Ditto.
6907         (fgcse-after-reload): Ditto.
6908         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6909         (process_options): Only change flag_web, flag_rename_registers,
6910         and flag_rerun_cse_after_loop if not explicitly set by user.
6911
6912 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6913
6914         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6915         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6916         in 64-bit mode the same as DImode in 32-bit mode.
6917         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6918         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6919         mode. Add new mode parameter.
6920         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6921         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6922         x86_64_shift_adj): New expanders.
6923         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6924         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6925         insns.
6926         Respective new splitters. Use renamed shift splitter helpers in 32-bit
6927         DImode shift splitters.
6928         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6929         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6930         mode parameter.
6931
6932 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6933
6934         * i386.md (movdi_extzv_1): New.
6935         (zero_extendhidi2): Combine alternatives and never force use of
6936         REX64 prefix.
6937         (zero_extendqidi2): Likewise. Don't restrict input selection.
6938
6939 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6940
6941         Fix PR tree-optimization/22531
6942         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
6943          moment.
6944
6945 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6946
6947         * tree-promote-statics.c (pass_promote_statics): Change dump file
6948          name.
6949
6950 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6951
6952         * tree-optimize.c (init_tree_optimization_passes): Add
6953         pass_eliminate_useless_stores pass.
6954         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6955         * tree-ssa-pre.c (is_copy_stmt): New function.
6956         (follow_copies_till_vuse): Ditto.
6957         (do_eustores): Ditto.
6958         (gate_eustores): Ditto.
6959
6960 2005-07-16  Richard Henderson  <rth@redhat.com>
6961
6962         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6963
6964 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6965            Kenneth Zadeck <zadeck@naturalbridge.com>
6966
6967         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6968         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6969         ipa-type-escape.h, tree-promote-statics.c
6970         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6971         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6972         tree-promote-statics.c: new files.
6973         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6974         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6975         int nonlocal_set_p, mark_constant_function): Deleted.
6976         (rest_of_handle_cfg): Removed call to mark_constant_function.
6977         (nonoverlapping_component_refs_p): Added calls to support
6978         type based aliasing.
6979         * tree-ssa-alias.c (may_alias_p,
6980         compute_flow_insensitive_aliasing): Ditto.
6981         * calls.c (flags_from_decl_or_type): Removed reference to
6982         cgraph_rtl_info.
6983         * c-typeck.c (convert_arguments): Make builtins tolerant of having
6984         too many arguments.  This is necessary for Spec 2000.
6985         * cgraph.h (const_function, pure_function): Removed.
6986         * common.opt: Added "fipa-pure-const", "fipa-reference",
6987         "fipa-type-escape", and "ftree-promote-static".
6988         * opts.c: Ditto.
6989         * passes.c: Added ipa and tree-promote-statics passes.
6990         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6991         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6992         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6993         * tree-flow.h: Added exposed sra calls and addition of
6994         reference_vars_info field for FUNCTION_DECLS.
6995         * tree-pass.h: Added passes.
6996         * tree-sra.c: (sra_init_cache): New function.
6997         (sra_insert_before, sra_insert_after) Made public.
6998         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6999         and made public.
7000         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7001         aliasing. (may_alias_p): Added code to use type escape analysis to
7002         improve alias sets.
7003         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7004         code to prune clobbers of static variables based on information
7005         produced in ipa-reference pass.  Changed call clobbering so that
7006         statics are not marked as clobbered if the call does not clobber
7007         them.
7008
7009 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
7010
7011         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7012         too.
7013
7014 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7015
7016         * doc/install.texi (*-*-solaris2*): Document recommended version
7017         of GNU binutils and mention GNU linker problem on Solaris 10.
7018
7019 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
7020
7021         PR c/22421
7022         * c-decl.c (c_build_bitfield_integer_type): New function.
7023         (finish_struct): Call it.
7024         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7025
7026 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7027
7028         * c-typeck.c (digest_init): Call 'convert_for_assignment'
7029         before returning.
7030
7031 2005-07-16  Jan Hubicka  <jh@suse.cz>
7032
7033         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7034         (scale_bbs_frequencies_int): Watch roundoff errors.
7035         * predict.c (return_prediction): Initialize return_stmt.
7036
7037 2005-07-16  Jan Hubicka  <jh@suse.cz>
7038
7039         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7040         after RTL profiling.
7041
7042 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
7043
7044         PR middle-end/22398
7045         * fold-const.c (build_range_check): Convert high/low to etype
7046         if we are only comparing against exp.
7047
7048 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
7049
7050         Fix PR tree-optimization/22376
7051         * tree-ssa-structalias.c (build_constraint_graph): We really meant
7052         special var here.
7053         (need_to_solve): New function.
7054         (compute_points_to_sets): Use it.
7055
7056 2005-07-15  Jan Hubicka  <jh@suse.cz>
7057
7058         * cfg.c (update_bb_profile_for_threading): More diagnostic.
7059         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7060
7061 2005-07-15  Richard Guenther  <rguenther@suse.de>
7062
7063         * c-common.c (handle_flatten_attribute): New function.
7064         Add flatten function attribute.
7065         * doc/extend.texi: Document flatten function attribute.
7066         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7067         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7068         New functions.
7069         (cgraph_decide_inlining): Handle functions with flatten
7070         attribute.
7071
7072 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
7073
7074         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7075         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7076         UNSPEC_XCHG, UNSPEC_AND): New.
7077         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7078         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7079         * config/rs6000/sync.md (FETCHOP): New code macro.
7080         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7081         New code attrs.
7082         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7083         (sync_compare_and_swap<mode>): Same.
7084         (sync_lock_test_and_set<mode>): Same.
7085         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7086         for QImode and HImode, and not PPC405.
7087         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7088         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7089         (sync_<fetchop>{si,di}_internal): New.
7090         (sync_nand{si,di}_internal): New.
7091         (sync_old_<fetchop>{si,di}_internal): New.
7092         (sync_old_nand{si,di}_internal): New
7093         (sync_new_<fetchop>{si,di}_internal): New.
7094         (sync_new_nand{si,di}_internal): New.
7095         (atomic_and{si,di}): New.
7096         (sync_new_nand{si,di}_internal): New.
7097         (atomic_and{si,di}): New.
7098         (sync_add<mode>_internal): Delete.
7099         (sync_addshort_internal): Use unspec instead of unspec_volatile.
7100         (sync_sub<mode>_internal): Delte.
7101         (sync_subshort_internal): New.
7102         (sync_andsi_internal): Use unspec instead of unspec_volatile.
7103         (sync_anddi_internal): Delete.
7104         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7105         (sync_booldi_internal): Delete.
7106         (sync_boolc<mode>_internal): Delete.
7107         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7108         (sync_boolc<mode>_internal2): Delete.
7109         (sync_boolcc<mode>_internal): Delete.
7110         (isync, lwsync): Use unspec instead of unspec_volatile.
7111         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7112         Revert UNSPEC_VOLATILE.
7113         (rs6000_split_atomic_op): New.
7114         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7115
7116 2005-07-14  Eric Christopher  <echristo@redhat.com>
7117
7118         * config/mips/mips.c (mips_canonicalize_comparison): Cast
7119         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7120
7121 2005-07-14  Eric Christopher  <echristo@redhat.com>
7122
7123         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7124
7125 2005-07-14  Steven Bosscher  <stevenb@suse.de>
7126
7127         PR tree-optimization/22230
7128         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7129         the computation of the four cross productions for "range op range".
7130
7131 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
7132             Ulrich Weigand  <uweigand@de.ibm.com>
7133
7134         PR target/20126
7135         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7136         in some insn.
7137
7138 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7139
7140         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7141
7142 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
7143
7144         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7145
7146 2005-07-14  Richard Guenther  <rguenther@suse.de>
7147
7148         PR middle-end/22347
7149         * config/i386/i386-protos.h (ix86_function_value): Change
7150         prototype to match new target hook.
7151         * config/i386/i386.c (ix86_value_regno): Change prototype
7152         to take extra type argument.
7153         (TARGET_FUNCTION_VALUE): Define.
7154         (ix86_function_ok_for_sibcall): Pass extra argument to
7155         ix86_value_regno, check return slot rtx for exact match.
7156         (ix86_function_value): Take extra parameter.  Dispatch to
7157         ix86_value_regno with fndecl/fntype as provided.
7158         (ix86_value_regno): Handle extra type argument.
7159         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7160
7161         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7162         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7163         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7164         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7165         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7166
7167 2005-07-14  Richard Guenther  <rguenther@suse.de>
7168
7169         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7170         * calls.c (expand_call): Pass fntype to hard_function_value.
7171         (emit_library_call_value_1): Likewise.
7172         * explow.c: Include target.h.
7173         (hard_function_value): Take extra argument, the fntype.
7174         Use new target hook for function_value.
7175         * expr.h (hard_function_value): Change prototype.
7176         * function.c (aggregate_value_p): Pass 0 as fntype to
7177         hard_function_value.
7178         (assign_parms): Use new target hook for function_value.
7179         Pass 0 as fntype to hard_function_value.
7180         (expand_function_end): Likewise.
7181         * reg-stack.c: Include target.h.
7182         (stack_result): Use new target hook for function_value.
7183         * target-def.h: New target hook function_value.
7184         * target.h: Likewise.
7185         * targhooks.c (default_function_value): New function.
7186         * targhooks.h (default_function_value): Declare.
7187
7188 2005-07-13  Ian Lance Taylor  <ian@airs.com>
7189
7190         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7191
7192 2005-07-14  Jan Hubicka  <jh@suse.cz>
7193
7194         * tree-dfa.c (dump_variable): Use default_def function.
7195         * tree-ssa-alias.c (dump_points_to_info): Likewise.
7196         * tree-ssa.c (verify_use): Likewise.
7197         * tree-ssanames.c (release_ssa_name): Likewise.
7198         * tree-tailcall.c (eliminate_tail_call): Likewise.
7199         (tree_optimize_tail_calls_1): Likewise.
7200         * tree-vrp.c (get_value_range): Likewise.
7201
7202 2005-07-14  Ben Elliston  <bje@au.ibm.com>
7203
7204         * gcc.c (main): Compare language[0] with '*' when iterating over
7205         the infiles.
7206
7207 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7208
7209         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7210         "s390_emit_compare".  Add handling of CCZ1mode.
7211         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7212         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7213         checking.
7214         (s390_branch_condition_mask): Add CCZ1mode handling.
7215         * config/s390/s390.md: ("seq", "*seq"): New pattern.
7216         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7217         Use CCZ1mode instead of CCZmode.
7218         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
7219
7220 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7221
7222         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7223         pattern.
7224         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7225
7226 2005-07-13  Eric Christopher  <echristo@redhat.com>
7227
7228         * config/mips/mips.c (mips_canonicalize_comparison): New.
7229         (mips_emit_int_relational): Use.
7230
7231 2005-07-13  Eric Christopher  <echristo@redhat.com>
7232
7233         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7234         static extra parts.
7235         * config/s390/s390.md: Include tpf.md. Move tpf specific
7236         patterns...
7237         * config/s390/tpf.md: To here.
7238         * config/s390/s390.opt: Move tpf specific options...
7239         * config/s390/tpf.opt: to here. Add mmain option.
7240         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7241         * config/s390/tpf.h: Rewrite.
7242
7243 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7244
7245         * doc/tm.texi: Remove @xref{Cross-profiling}.
7246
7247 2005-07-13  Jeff Law  <law@redhat.com>
7248
7249         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7250         expressions, test their _DECL operands for pointer equality rather
7251         than using operand_equal_p.
7252
7253 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7254
7255         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7256         (TARGET_POSIX_IO): This.
7257         * config/darwin.h: Likewise.
7258         * config/freebsd.h: Likewise.
7259         * config/linux.h: Likewise.
7260         * config/lynx.h: Likewise.
7261         * config/netbsd.h: Likewise.
7262         * config/rs6000/linux64.h: Likewise.
7263         * config/rs6000/linux.h: Likewise.
7264         * config/s390/tpf.h: Likewise.
7265         * config/sh/embed-elf.h: Likewise.
7266         * config/sparc/linux64.h: Likewise.
7267         * config/sparc/linux.h: Likewise.
7268         * config/svr4.h: Likewise.
7269         * gcov-io.h: Likewise.
7270
7271         * doc/tm.texi: Updated.
7272
7273         * libgcov.c (create_file_directory): Defined only if
7274         TARGET_POSIX_IO is defined.
7275         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7276         is defined.
7277
7278 2005-07-13  Jan Hubicka  <jh@suse.cz>
7279
7280         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7281
7282 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
7283
7284         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7285         structure as argument.
7286
7287 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
7288
7289         PR tree-optimization/21921
7290         * tree-iterator.c (tsi_link_before): Support the case when
7291         tsi_end_p (tsi) == true.
7292
7293 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7294
7295         PR tree-optimization/22442
7296         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7297         correctly.
7298
7299 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7300
7301         PR rtl-optimization/20376
7302         * toplev.c (process_options): Enable -fweb and -frename-registers when
7303         unrolling.
7304         * doc/invoke.texi: Update the information about when -fweb and
7305         -frename-registers are enabled.
7306
7307 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7308
7309         PR tree-opt/21840
7310         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7311         if *rhs_p is not a SSA_NAME.
7312
7313 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
7314
7315         Fix PR tree-optimization/22422
7316         * tree-ssa-structalias.c (struct variable_info): Add flag for
7317         special vars.
7318         (get_varinfo): Now a static function.
7319         (new_varinfo): init has_union and is_special_var to false.
7320         (solution_set_add): Check has_union.
7321         (do_da_constraint): Move temporary variable so it gets reset
7322         properly.
7323         Also check for special variable.
7324         (do_ds_constraint): Ditto.
7325         (do_sd_constraint): Ditto.
7326         (do_structure_copy): Check for special variable.
7327         (find_func_aliases): Ditto.
7328         (init_base_vars): Set special vars properly.
7329
7330 2005-07-13  Jan Hubicka  <jh@suse.cz>
7331
7332         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7333         do unit-at-a-time.
7334
7335         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7336         (get_expr_operands): Fix thinko wrt flags and subvars.
7337
7338         PR tree-optimize/22379
7339         * tree-inline.c (expand_call_inline): Do not output sorry in early
7340         inlining.
7341
7342 2005-07-12  Dale Johannesen  <dalej@apple.com>
7343
7344         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
7345
7346 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7347
7348         PR bootstrap/21704
7349         * host-linux.h: Include limits.h.
7350
7351 2005-07-12  Dale Johannesen  <dalej@apple.com>
7352
7353         * expr.c (compress_float_constant):  Add cost check.
7354         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
7355
7356 2005-07-12  Dale Johannesen  <dalej@apple.com>
7357
7358         * gcc.target/i386/compress-float-sse.c:  New.
7359         * gcc.target/i386/compress-float-sse-pic.c:  New.
7360         * gcc.target/i386/compress-float-387.c:  New.
7361         * gcc.target/i386/compress-float-387-pic.c:  New.
7362         * gcc.dg/compress-float-ppc.c:  New.
7363         * gcc.dg/compress-float-ppc-pic.c:  New.
7364
7365 2005-07-12  Eric Christopher  <echristo@redhat.com>
7366
7367         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7368         static extra parts.
7369         * config/s390/s390.md: Include tpf.md. Move tpf specific
7370         patterns...
7371         * config/s390/tpf.md: To here.
7372         * config/s390/s390.opt: Move tpf specific options...
7373         * config/s390/tpf.opt: to here. Add mmain option.
7374         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7375         * config/s390/tpf.h: Rewrite.
7376
7377 2005-07-12  Eric Christopher  <echristo@redhat.com>
7378
7379         * gcc.c (struct infile): Update comment for language.
7380         (main): Rewrite input file resetting code.
7381
7382 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7383
7384         PR tree-opt/22335
7385         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7386         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
7387         (lookup_avail_expr): Use constant_boolean_node instead
7388         of boolean_false_node/boolean_true_node.
7389
7390 2005-07-12  Ben Elliston  <bje@au.ibm.com>
7391
7392         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7393         and use it when printing num_edges.
7394
7395 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7396
7397         * doc/extend.texi (Blackfin Built-in Functions): New section.
7398         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7399         @opindex.
7400
7401 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
7402
7403         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7404         s/cmpstrsi/cmpstrnsi
7405         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7406         'cmpstrnsi'.
7407         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7408         (init_optabs): Initialize cmpstrn_optab.
7409         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7410         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7411         * expr.c: (enum insn_code cmpstrn_optab): Declare.
7412         * config/i386/i386.md: s/cmpstr/cmpstrn
7413         * config/c4x/c4x.md: s/cmpstr/cmpstrn
7414         * doc/md.texi: Update documentation.
7415
7416 2005-07-11  Richard Henderson  <rth@redhat.com>
7417
7418         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7419         build_va_arg_indirect_ref.
7420         (alpha_gimplify_va_arg): Likewise.
7421         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7422         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7423         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7424         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7425         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7426         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7427         Likewise.
7428         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7429
7430 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7431
7432         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7433         * passes.c (init_optimization_passes): Add pass_empty_loop.
7434         * tree-pass.h (pass_empty_loop): Declare.
7435         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7436         try_remove_empty_loop, remove_empty_loops): New functions.
7437         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7438         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7439
7440 2005-07-12  Peter Barada  <peter@the-baradas.com>
7441
7442         PR middle-end/16719
7443         PR middle-end/18421
7444         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7445         in address registers.
7446         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7447         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7448         alternative of addsi3_5200.
7449
7450 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7451
7452         * config/mips/mips.md (ffs<mode>2): Remove.
7453
7454 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7455
7456         * doc/tree-ssa.texi (Cleanups): Improve description of
7457         TRY_FINALLY_EXPR.
7458         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7459
7460 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7461
7462         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7463         * tree.h (DECL_ARGUMENT_FLD): New macro.
7464
7465 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7466
7467         Fix PR tree-optimization/22404
7468
7469         * tree-ssa-structalias.c (create_variable_info_for): Use
7470         correct offset.
7471
7472 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7473
7474         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7475         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7476         for second comparison operand.
7477         * config/bfin/predicates.md (reg_or_const_int_operand): New.
7478
7479         * config/bfin/bfin.md (define_attr "type"): Add "sync".
7480         (define_insn_reservation "alu"): Likewise.
7481         (csync, ssync): Now of type sync.
7482         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7483         -mcsync-anomaly -mspecld-anomaly.
7484         * config/bfin/bfin.opt (mcsync): Remove.
7485         (mcsync-anomaly, mspecld-anomaly): Add.
7486         * config/bfin/bfin.c: Include "insn-codes.h".
7487         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7488         (TARGET_DEFAULT_TARGET_FLAGS): New.
7489         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7490
7491 2005-07-11  Steven Bosscher  <stevenb@suse.de>
7492
7493         * basic-block.h: Give the BB flags enum a name, bb_flags.
7494         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7495         * cfgcleanup.c (enum bb_flags): Remove here.
7496         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7497         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7498         (update_forwarder_flag): Likewise.
7499         (thread_jump): Likewise.
7500         (try_forward_edges): Likewise.
7501         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
7502         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
7503         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7504
7505 2005-07-11  Richard Guenther  <rguenther@suse.de>
7506
7507         * config/i386/i386.opt: New target option -msseregparm.
7508         * config/i386/i386.c (override_options): Error out for
7509         -msseregparm but no SSE support.
7510         (ix86_function_sseregparm): Check for global sseregparm.
7511         * doc/invoke.texi: Document -msseregparm.
7512
7513 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7514
7515         * config.gcc (m32r-*-linux*): Use the default extra_parts.
7516         (m32rle-*-linux*): Ditto.
7517
7518 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
7519
7520         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7521         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7522         bytes.
7523
7524 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7525
7526         PR middle-end/22239
7527         PR target/20126
7528         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7529         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7530
7531 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
7532
7533         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7534         (varmap): Heapify varmap.
7535         (constraints): Heapify constraints.
7536         (struct constraint_graph): Heapify succs and preds.
7537         (constraint_vec_find): Update for heapification.
7538         (constraint_set_union): Ditto.
7539         (insert_into_complex): Ditto.
7540         (constraint_edge_vec_find): Ditto.
7541         (erase_graph_self_edge): Ditto.
7542         (add_graph_edge): Ditto.
7543         (get_graph_weights): Ditto.
7544         (merge_graph_nodes): Ditto.
7545         (build_constraint_graph): Ditto.
7546         (topo_visit): Ditto.
7547         (solve_graph): Ditto.
7548         (create_variable_info_for): Ditto.
7549         (init_base_vars): Ditto.
7550         (delete_points_to_sets): Free graph, varmap, and complex constraints.
7551         (condese_varmap_nodes): Free complex vector.
7552         (clear_edges_for_node): Clear succs and preds vector.
7553
7554 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7555
7556         * tree-ssa-structalias.c (update_alias_info): Change counting of
7557         references to not include vdefs.
7558
7559 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7560
7561         * tree-ssa-alias.c (free_used_part_map): Add missing free.
7562         (up_insert): Ditto.
7563
7564 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7565
7566         * pa.c (pa_commutative_p): Make PLUS commutative when
7567         TARGET_NO_SPACE_REGS is true.
7568
7569 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7570
7571         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7572         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7573         * tree-dfa.c (dump_subvars_for): New.
7574         (debug_subvars_for): New.
7575         (dump_variable): Show subvariables if VAR has them.
7576         * tree-flow-inline.h (get_subvar_at): New.
7577         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7578         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7579         Update all users.
7580         (struct subvar): Change fields offset and size to unsigned
7581         HOST_WIDE_INT.
7582         (dump_subvars_for): Declare.
7583         (debug_subvars_for): Declare.
7584         (get_subvar_at): Declare.
7585         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7586         to unsigned HOST_WIDE_INT *.
7587         (overlap_subvar): Likewise.
7588         * tree-gimple.c (is_gimple_reg): Always return false for
7589         SFTs and memory tags.
7590         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7591         Update all callers.
7592         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7593         (compute_may_aliases): Call compute_points_to_sets.
7594         (collect_points_to_info_for): Remove.
7595         (compute_points_to_and_addr_escape): Remove.
7596         (delete_alias_info): Call delete_points_to_sets.
7597         (compute_flow_sensitive_aliasing): If the call to
7598         find_what_p_points_to returns false, call set_pt_anything.
7599         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7600         (set_pt_anything): Clear pi->pt_vars.
7601         (set_pt_malloc): Remove.
7602         (merge_pointed_to_info): Remove.
7603         (add_pointed_to_expr): Remove.
7604         (add_pointed_to_var): Remove.
7605         (collect_points_to_info_r): Remove.
7606         (is_escape_site): Make extern.
7607         (create_sft): New.
7608         (create_overlap_variables_for): Call it.
7609         * tree-ssa-copy.c (merge_alias_info): Never merge
7610         flow-sensitive alias information.
7611         * tree-ssa-operands.c (get_expr_operands): Adjust variables
7612         offset and size to be unsigned HOST_WIDE_INT.
7613         (add_to_addressable_set): Rename from note_addressable.
7614         Set TREE_ADDRESSABLE as the variables are added to the set.
7615         Update all users.
7616         (add_stmt_operand): Do not try to micro-optimize unmodifiable
7617         operands into VUSEs when adding V_MAY_DEFs for members in an
7618         alias set.
7619         * tree-ssa-operands.h (add_to_addressable_set): Declare.
7620         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7621         (struct variable_info): Add bitfield is_heap_var.
7622         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7623         (new_var_info): Initialize is_heap_var.
7624         (get_constraint_for): Add HEAP variables to the symbol table.
7625         Mark them with is_heap_var.
7626         (update_alias_info): New.  Taken mostly from the old
7627         compute_points_to_and_addr_escape.
7628         (handle_ptr_arith): New.
7629         (find_func_aliases): Call update_alias_info.
7630         Call handle_ptr_info for tcc_binary expressions.
7631         Call mark_stmt_modified.
7632         (create_variable_info_for): If DECL has subvars, do not create
7633         variables for its subvars.  Always add all the fields.
7634         (set_uids_in_ptset): If the solution includes ANYOFFSET and
7635         SFTs, then add all the SFTs of the structure.
7636         If VI->DECL is an aggregate with subvariables, add the SFT at
7637         VI->OFFSET.
7638         (find_what_p_points_to): If VI is an artificial variable,
7639         translate to bitfields in SSA_NAME_PTR_INFO.
7640         If the solution is empty, set pi->pt_vars to NULL
7641         (init_base_vars): Create ANYOFFSET.
7642         (compute_points_to_sets): Rename from create_alias_vars.
7643         Make extern.
7644         (pass_build_pta): Remove.
7645         (delete_points_to_sets): Rename from delete_alias_vars.
7646         (pass_del_pta): Remove.
7647         * tree-ssa-structalias.h (struct alias_info): Move from
7648         tree-ssa-alias.h.
7649         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7650         NUM_REFERENCES_SET): Likewise.
7651         (compute_points_to_sets, delete_points_to_sets): Declare.
7652
7653 2005-07-09  Richard Henderson  <rth@redhat.com>
7654
7655         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7656         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7657         alpha_split_lock_test_and_set_12): New functions.
7658         * config/alpha/alpha-protos.h: Update.
7659         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7660         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7661         * config/alpha/sync.md (I12MODE): New.
7662         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7663         (sync_<fetchop_name><I48MODE>): Likewise.
7664         (sync_nand<I48MODE>): Likewise.
7665         (sync_old_<fetchop_name><I48MODE>): Likewise.
7666         (sync_new_<fetchop_name><I48MODE>): Likewise.
7667         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7668         (sync_compare_and_swap<I48MODE>): Likewise.
7669         (sync_lock_test_and_set<I48MODE>): Likewise.
7670         (sync_compare_and_swap<I12MODE>): New.
7671         (sync_compare_and_swap<I12MODE>_1): New.
7672         (sync_lock_test_and_set<I12MODE>): New.
7673         (sync_lock_test_and_set<I12MODE>_1): New.
7674
7675 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7676
7677         PR 21356
7678         PR 22332
7679         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7680
7681 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
7682
7683         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7684         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7685
7686 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
7687
7688         PR target/21656
7689         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7690
7691 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
7692
7693         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7694         memory_operand constraint.
7695         (store_conditional_<mode>): Same.
7696         (sync_compare_and_swap<mode>): Same.
7697         (sync_lock_test_and_set<mode>): Same.
7698
7699 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
7700
7701         Rewrite PIC support to more closely model actual instructions.
7702         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7703         (cris_symbol): Remove prototypes for removed functions.
7704         (cris_pic_symbol_type_of, cris_valid_pic_const)
7705         (cris_expand_pic_call_address): Prototypes for new functions.
7706         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7707         variable.
7708         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7709         modifiers.
7710         <case ':'>: Add case for new punctuation character.
7711         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7712         emitting (extra) PIC modifier.
7713         <case UNSPEC>: Do not assert for PLT.
7714         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7715         (cris_expand_prologue, cris_expand_epilogue): Check
7716         for pic_offset_table_rtx usage instead of taking
7717         current_function_uses_pic_offset_table as the final word.
7718         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7719         Remove flag_pic difference.
7720         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7721         the moral equivalents of...
7722         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7723         functions.
7724         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7725         (cris_handle_option): Mark ARG as unused.
7726         (cris_expand_pic_call_address): New worker function for "call",
7727         "call_value".
7728         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7729         output PIC constructs here.
7730         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7731         as symbol-specific modifers, not whole or part of operands.
7732         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7733         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7734         constants and flag_pic.
7735         (CONSTANT_INDEX_P): Adjust for new functions.
7736         (enum cris_pic_symbol_type): New helper type.
7737         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7738         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7739         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7740         define_constants.
7741         ("movsi"): Emit actual instructions for GOT and relative access.
7742         ("*movsi_got_load"): New pattern to set up the register holding
7743         the GOT pointer.
7744         ("*movsi_internal"): Operand 1 is not a plain general_operand.
7745         Adjust FIXME for 'S'.
7746         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7747         Use "movs" for -fpic cases.
7748         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7749         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7750         ("call", "call_value"): Just call cris_expand_pic_call_address for
7751         PIC addresses.
7752         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7753         Remove special pattern.
7754         ("*expanded_call_side", "*expanded_call_value_side"): New
7755         patterns.
7756         (gotplt-to-plt, gotplt-to-plt-side-call)
7757         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7758         peephole2:s.
7759         * config/cris/cris/predicates.md
7760         ("cris_general_operand_or_gotless_symbol"): Remove unused
7761         predicate.
7762         ("cris_general_operand_or_symbol"): Adjust for new functions.
7763
7764 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7765
7766         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7767
7768 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
7769
7770         * Makefile.in (TREE_H): Add treestruct.def.
7771         (c-decl.o): Add pointer-set.h
7772         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7773         visibility on regular DECL's.
7774         (merge_decls): Fix the copying of decl nodes of various types for
7775         the new structures.  Don't update RTL, section name, weak status,
7776         etc, on DECL's without RTL.
7777         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7778         Don't check volatile on non-variable types.
7779         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7780         to check whether we have seen arguments.
7781         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7782         flag is checked before field (flag is common, field is not).
7783         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
7784         TS_DECL_COMMON could have an origin.
7785         (add_location_or_const_value_attribute): Don't check section name
7786         on non-var/function decls.
7787         (dwarf2out_var_location): Reverse order of tests.
7788         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7789         with DECL_WRTL_CHECK.
7790         * expmed.c (make_tree): rtl is now in decl_with_rtl.
7791         * fold-const.c (fold_binary): Don't check weakness on
7792         non-var/function decls.
7793         (tree_expr_nonzero_p): Ditto.
7794         (fold_checksum_tree): Use tree_decl_extra as sizeof
7795         buffer.
7796         * ggc-page.c (extra_order_size_table): Add sizes for
7797         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
7798         tree_field_decl.
7799         * gimplify.c (gimplify_bind_expr): Only set
7800         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7801         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7802         without RTL.
7803         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7804         * langhooks.h (init_ts). New langhook.
7805         * passes.c (rest_of_decl_compilation): Reverse order of tests.
7806         * print-tree.c (print_node): Update to only print fields that
7807         exist in the structures the passed decl has.
7808         * toplev.c (wrapup_global_declarations): Don't reset
7809         DECL_DEFER_OUTPUT on DECL's that don't contain it.
7810         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7811         * tree-inline.c (remap_decl): Ditto.
7812         * tree-outof-ssa.c (create_temp): Reverse order of tests.
7813         * tree-pretty-print.c (print_declaration): Don't print
7814         DECL_REGISTER on things that don't contain it.
7815         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7816         non-var/function decls.
7817         * tree.c (tree_contains_struct): New structure.
7818         (init_priority_for_decl): New hashtable.
7819         (tree_int_map): New structure.
7820         (tree_int_map_eq): New function.
7821         (tree_int_map_marked_p): Ditto.
7822         (tree_int_map_hash): Ditto.
7823         (tree_map): Move to tree.h.
7824         (tree_map_eq): Externalize.
7825         (tree_map_hash): Ditto.
7826         (tree_map_marked_p): Ditto.
7827         (init_ttree): Set up tree_contains_struct and call langhook.
7828         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7829         (tree_code_size): Update for new structures.
7830         (tree_node_structure): Update for new structures.
7831         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7832         without the field.
7833         (copy_node_stat):  Copy init priority.
7834         (build_decl_stat): Ditto for visibility.
7835         (ts_enum_names): New.
7836         (tree_contains_struct_check_failed): New function.
7837         (decl_init_priority_lookup): Ditto.
7838         (decl_init_priority_insert): Ditto.
7839         * treestruct.def: New file.
7840         * tree.h (CODE_CONTAINS_STRUCT): New macro.
7841         (CONTAINS_STRUCT_CHECK): Ditto.
7842         (tree_contains_struct_check_failed): New prototype.
7843         (DECL_CHECK): Removed.
7844         (DECL_MINIMAL_CHECK): New.
7845         (DECL_COMMON_CHECK): Ditto.
7846         (DECL_WRTL_CHECK): Ditto.
7847         (DECL_NON_COMMON_CHECK): Ditto.
7848         (DECL_WITH_VIS_CHECK): Ditto.
7849         (VAR_OR_FUNCTION_DECL_P): Ditto
7850         (struct tree_decl_minimal): New structure.
7851         (struct tree_decl_common): Ditto.
7852         (struct tree_decl_with_rtl): Ditto.
7853         (struct tree_decl_with_vis): Ditto.
7854         (struct tree_decl_non_common): Ditto.
7855         (struct tree_field_decl): Ditto.
7856         (struct tree_parm_decl): Ditto.
7857         (struct tree_var_decl): Ditto.
7858         (struct tree_function_decl): Ditto.
7859         (struct tree_const_decl): Ditto.
7860         (struct tree_result_decl): Ditto.
7861         (union tree_node): Add new structures.
7862         * var-tracking.c (track_expr_p): Reverse order of tests.
7863
7864         * doc/c-tree.texi: Add documentation on DECL node internal structure.
7865
7866 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7867
7868         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7869         * system.h: Poison FINALIZE_PIC.
7870         * doc/tm.texi (FINALIZE_PIC): Remove.
7871
7872 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7873
7874         PR tree-opt/22329
7875         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7876         to the correct type if we have a MODIFY_EXPR.
7877
7878 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7879
7880         PR tree-optimization/22360
7881         * tree.c (upper_bound_in_type): Fix calculations for casting
7882         to a non-wider signed type and casting a signed value to a
7883         wider unsigned type.
7884         (lower_bound_in_type): Fix calculations for casting to a
7885         non-wider signed type.
7886
7887         PR tree-optimization/20139
7888         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7889         release_defs.
7890         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7891         fold_cond_expr_cond.
7892         * tree-ssanames.c (release_defs): Assert in_ssa_p.
7893         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7894
7895 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7896
7897         PR tree-opt/22356
7898         * tree-complex.c (expand_complex_libcall): Produce
7899         REALPART_EXPR/IMAGPART_EXPR with the correct type.
7900
7901 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
7902
7903         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7904         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7905         b" assert and inserted fastpath code for this case.
7906         (bitmap_ior): Removed "a != b" assert.
7907
7908 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7909
7910         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7911         (ENDFILE_SPEC): Likewise.
7912         * config/m32r/m32r.h (ASM_SPEC): Likewise.
7913
7914         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7915         a large stack frame at epilogue.
7916
7917 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
7918
7919         * final.c: Include sdbout.h when required.
7920
7921 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
7922
7923         * config.gcc (*-*-darwin*): Only one target-specific header file
7924         for generic darwin.
7925         (powerpc-*-darwin*): Add version-specific header files.
7926         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7927         * config.in: Regenerate.
7928         * configure: Regenerate.
7929         * gcc.c: Include xregex.h.
7930         (version_compare_spec_function): New.
7931         (spec_function): Add version-compare.
7932         (replace_outfile_spec_function): Reformat comment.
7933         (compare_version_strings): New.
7934         * config/darwin-c.c (version_as_macro): New.
7935         (builtin_define): New.
7936         (darwin_cpp_builtins): New.
7937         * config/darwin-protos.h (darwin_cpp_builtins): New.
7938         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7939         (LIB_SPEC): Make unconditional, update comment.
7940         (TARGET_C99_FUNCTIONS): Define.
7941         * config/darwin.opt: Sort.
7942         (mmacosx-version-min=): New.
7943         * config/darwin7.h: Delete.
7944         * config/darwin8.h: Delete.
7945         * config/i386/darwin.h (): Call darwin_cpp_builtins.
7946         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7947         (TARGET_C99_FUNCTIONS): Define.
7948         * config/rs6000/darwin7.h: New.
7949         * config/rs6000/darwin8.h: New.
7950         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7951         (-mmacosx-version-min): Document.
7952
7953 2005-07-07  Ian Lance Taylor  <ian@airs.com>
7954
7955         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7956
7957 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
7958
7959         PR middle-end/22239
7960         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7961
7962 2005-07-07  Khem Raj  <kraj@mvista.com>
7963
7964         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7965         in bytes, not words.
7966
7967 2005-07-07  Paul Brook  <paul@codesourcery.com>
7968
7969         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7970         DEFAULT_FUNCTION_ARG_PADDING to upward.
7971
7972 2005-07-07  Richard Henderson  <rth@redhat.com>
7973
7974         * function.c (locate_and_pad_parm): Record parameter alignment in
7975         stack_alignment_needed.
7976
7977 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
7978
7979         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7980         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7981         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7982         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7983         (define_attr "type"): Add isync, sync, load_l, store_c.
7984         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7985         Create scratch volatile MEM.
7986         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
7987         sync.
7988         (load_locked_<mode>): New.
7989         (store_conditional_<mode>): New.
7990         (sync_compare_and_swap<mode>): Replace with splitter.
7991         (sync_lock_test_and_set<mode>): Replace with splitter.
7992         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7993         and UNSPECV_ISYNC.
7994         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
7995         is ics.  Attribute isync.
7996         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
7997         lwsync.
7998         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7999         and UNSPECV_SYNC_OP.
8000         (emit_unlikely_jump): New.
8001         (emit_load_locked): New.
8002         (emit_store_conditional): New.
8003         (rs6000_split_compare_and_swap): New.
8004         (rs6000_split_lock_test_and_set): New.
8005         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8006         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8007         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8008         rs6000_split_lock_test_and_set): Declare.
8009         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8010         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8011         store_c, isync, sync.
8012
8013 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
8014
8015         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8016         filenames to gtyp-gen.h.
8017         (s-typ-gen): Use it in place of for loops.
8018
8019 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
8020
8021         * hooks.c (hook_bool_rtx_int_false): New function.
8022         * hooks.h (hook_bool_rtx_int_false): Declare.
8023         * target-def.h (TARGET_COMMUTATIVE_P): Define.
8024         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8025         * target.h (struct gcc_target): Add commutative_p member.
8026         * targhooks.c (hook_bool_rtx_commutative_p): New function.
8027         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8028         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8029         (pa_commutative_p): New function.
8030         * jump.c (target.h): Include.
8031         (rtx_renumbered_equal_p): Use targetm.commutative_p.
8032         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8033
8034 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8035
8036         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8037         (s390_expand_setmem): New.
8038         * config/s390/s390.c: Likewise.
8039         (print_shift_count_operand): Truncate to 12 bits instead of 6.
8040         Adapt comments.
8041         * config/s390/s390.md: ("setmem<mode>"): Accept character as
8042         general_operand.  Call new function "s390_expand_setmem".
8043         ("clrmem_long", "*clrmem_long"): Rewrite to ...
8044         ("setmem_long", "*setmem_long"): ... this.
8045
8046 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8047
8048         * config/s390/s390.c: (optimization_options): Enable
8049         TARGET_MVCLE at -Os.
8050         * doc/invoke.texi: Document changes in default behaviour.
8051         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8052
8053 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8054
8055         * expr.c: (set_storage_via_setmem): Convert opchar to mode
8056         defined by back-end.
8057
8058 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
8059
8060         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8061         all sets in the pattern.
8062         * config/rs6000/rs6000.md (stack_protect_testsi,
8063         stack_protect_testdi): Likewise.
8064
8065 2005-07-06  Jeff Law  <law@redhat.com>
8066
8067         * tree-vrp.c (simplify_using_ranges): Kill.
8068         (vrp_finalize): Remove call to simplify_using_ranges.
8069         (simplify_stmt_using_ranges): New function extracted from
8070         simplify_using_ranges.
8071         (simplify_div_or_mod_using_ranges): Likewise.
8072         (simplify_abs_using_ranges): Likewise.
8073         (simplify_cond_using_ranges): New function.
8074         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8075         * tree-ssa-propagate.c (substitute_and_fold): Call
8076         simplify_stmt_using_ranges if we have range information.
8077
8078 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
8079
8080         * config/ia64/ia64.c (ia64_reorg): Check optimize before
8081         ia64_flag_schedule_isns2.
8082
8083         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8084         reading/writing general registers.
8085         (ia64_function_arg): Revert 2005-06-18 change.
8086
8087 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8088
8089         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8090         (legitimize_tls_address): Use gcc_unreachable instead of abort.
8091
8092 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
8093
8094         * function.c (expand_function_end): Revert part of 2005-06-27
8095         patch.  Do sjlj_emit_function_exit_after after return_label.
8096
8097 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8098
8099         * doc/install.texi (--disable-libssp): New.
8100
8101 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
8102
8103         * doc/invoke.texi: Update -fforce-mem documentation.
8104         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8105         code for -fforce-mem.
8106         * expmed.c: (store_bit_field,store_fixed_bit_field,
8107         extract_bit_field): Ditto.
8108         * expr.c: (convert_move): Ditto.
8109         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8110         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8111         emit_conditional_add,expand_float,expand_fix): Ditto.
8112         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8113         (common_handle_option): Issue warning when -fforce-mem specified.
8114
8115 2005-07-06  Paul Brook  <paul@codesourcery.com>
8116
8117         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8118         argument is empty.
8119         * configure: Regenerate.
8120
8121 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
8122
8123         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8124
8125 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
8126
8127         Fix PR tree-optimization/22319
8128         Fix PR tree-optimization/22140
8129         Fix PR tree-optimization/22310
8130
8131         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8132         variable sized types.
8133         Use correct type for intermediate structure on *a = *b structure
8134         copies.
8135
8136 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8137
8138         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8139         Remove.
8140         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8141         (machine_function): Move typedef to...
8142         * config/rs6000/rs6000.c (machine_function): ... here.  Add
8143         varargs_save_offset field.
8144         (rs6000_stack_t): Remove varargs_size field.
8145         (setup_incoming_varargs): Allocate varargs save area using
8146         assign_stack_local, try to make it as small as possible.
8147         Save offset from virtual_stack_vars_rtx to the save area
8148         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
8149         instead of magic 8 when fp word byte size is used.
8150         (rs6000_va_start): Use cfun->machine->varargs_save_offset
8151         instead of -RS6000_VARARGS_SIZE.
8152         (rs6000_stack_info, debug_stack_info,
8153         rs6000_initial_elimination_offset): Remove all traces of
8154         varargs_size.
8155         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8156         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8157         RS6000_VARARGS_AREA.
8158
8159 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
8160
8161         PR tree-optimization/21963
8162         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8163         constant_multiple_of in the same way get_computation_cost_at does.
8164
8165 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8166
8167         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8168         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8169         (gen_compare_reg): If sparc_compare_emitted is set, clear it
8170         and return its previous value.
8171         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8172         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8173         constants.
8174         (stack_protect_set, stack_protect_test): New expanders.
8175         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8176         stack_protect_testdi): New insns.
8177         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8178         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8179
8180 2005-07-06  Jeff Law  <law@redhat.com>
8181
8182         * tree-ssa-dce.c (cfg_altered): New global.
8183         (tree_dce_init): Initialize cfg_altered.
8184         (remove_dead_stmt): If we remove an edge in the CFG, then set
8185         CFG_ALTERED.
8186         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8187         the dominators.
8188
8189 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8190
8191         * Makefile.in (stamp-collect-ld): Use
8192         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
8193         ./collect-ld if it already exists.
8194         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8195         Don't remove ./nm if it already exists.
8196
8197 2005-07-05  Devang Patel  <dpatel@apple.com>
8198
8199         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8200         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8201         * tree-vectorizer.c (vect_loop_location): New.
8202         (vect_print_dump_info): Use vect_loop_location.
8203         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8204         (vectorize_loops): Set vect_loop_location.
8205         * tree-vect-analyze.c (vect_analyze_offset_expr,
8206         vect_determin_vectorization_factor, vect_analyze_operations,
8207         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8208         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8209         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8210         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8211         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8212         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8213         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8214         vect_analyze_loop): Adjust vect_print_dump_info API.
8215         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8216         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8217         vect_finish_stmt_generation, vectorizable_assignment,
8218         vectorizable_operation, vectorizable_store, vectorizable_load,
8219         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8220         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8221         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8222         vect_transform_loop): Same.
8223         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8224         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8225         Same.
8226
8227 2005-07-05  Randolph Chung  <tausq@debian.org>
8228
8229         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8230         * configure: Regenerate.
8231         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8232         (pa_tls_referenced_p): Declare.
8233         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8234         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8235         (legitimize_tls_address): New.
8236         (hppa_legitimize_address): Handle TLS addresses.
8237         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8238         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8239         (emit_move_sequence): Handle TLS addresses.
8240         (pa_encode_section_info): Call default handler to handle common
8241         sections.
8242         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8243         (CONSTANT_ADDRESS_P): Reject TLS operands.
8244         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8245         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8246         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8247         (UNSPEC_TLSLE): Define new constants.
8248         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8249         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8250         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8251         (tie_symbolic_operand, tle_symbolic_operand): New
8252
8253 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
8254
8255         * aclocal.m4: Update macros for autoconf 2.59 style.
8256         * configure.ac: Likewise.
8257
8258 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8259
8260         * pa.c (function_value): Handle small aggregates on 32-bit targets.
8261         (function_arg): Pass small aggregates in general registers on 32-bit
8262         targets.
8263         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8264
8265 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
8266
8267         * Makefile.in (final.o): Fix dependencies.
8268
8269 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8270
8271         PR c/22013
8272         PR c/22098
8273         * langhooks.h (struct lang_hooks): Add expr_to_decl.
8274         * langhooks.c (lhd_expr_to_decl): New.
8275         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8276         New.
8277         (LANG_HOOKS_INITIALIZER): Update.
8278         * tree.c (recompute_tree_invarant_for_addr_expr): Call
8279         expr_to_decl langhook.
8280         * c-tree.h (c_expr_to_decl): Declare.
8281         * c-typeck.c (c_expr_to_decl): New.
8282         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8283         specially.
8284         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8285
8286 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8287
8288         PR c/22308
8289         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8290         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8291
8292 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
8293
8294         * Makefile.in: Adjust dependencies.
8295         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8296         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8297         * alias.c (rest_of_handle_cfg, pass_cfg): New.
8298         * bb-reorder.c (duplicate_computed_gotos): Make it static.
8299         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8300         rest_of_compilation.
8301
8302         * bb-reorder.c (gate_duplicate_computed_gotos,
8303         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8304         rest_of_handle_reorder_blocks, pass_reorder_blocks,
8305         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8306         pass_partition_blocks): New.
8307         * bt-load.c (gate_handle_branch_target_load_optimize,
8308         rest_of_handle_branch_target_load_optimize,
8309         pass_branch_target_load_optimize): New.
8310         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8311         pass_jump2): New.
8312         * cfglayout.c (pass_insn_locators_initialize): New.
8313         * cfgrtl.c (pass_free_cfg): New.
8314         * combine.c (gate_handle_combine, rest_of_handle_combine,
8315         pass_combine): New.
8316         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8317         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8318         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8319         * except.c (pass_set_nothrow_function_flags,
8320         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8321         pass_rtl_eh): New.
8322         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8323         rest_of_handle_shorten_branches, pass_shorten_branches,
8324         rest_of_clean_state, pass_clean_state): New.
8325         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8326         rest_of_handle_remove_death_notes, pass_remove_death_notes,
8327         rest_of_handle_life, pass_life, rest_of_handle_flow2,
8328         pass_flow2): New.
8329         * function.c (pass_instantiate_virtual_regs, pass_init_function,
8330         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8331         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8332         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8333         pass_gcse): New.
8334         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8335         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8336         pass_rtl_ifcvt, gate_handle_if_after_combine,
8337         rest_of_handle_if_after_combine, pass_if_after_combine,
8338         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8339         pass_if_after_reload): New.
8340         * integrate.c (pass_initial_value_sets): New.
8341         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8342         pass_purge_lineno_notes): New.
8343         * mode-switching.c (rest_of_handle_mode_switching,
8344         pass_mode_switching): New.
8345         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8346         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8347         pass_loop2): New.
8348         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8349         pass_loop_optimize): New.
8350         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8351         pass_sms): New.
8352         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8353         pass_gcse2): New.
8354         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8355         pass_postreload_cse): New.
8356         * profile.c (gate_handle_profiling, pass_profiling,
8357         rest_of_handle_branch_prob, pass_branch_prob): New.
8358         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8359         pass_split_before_regstack, gate_handle_split_before_regstack,
8360         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8361         rest_of_handle_split_all_insns, pass_split_all_insns): New.
8362         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8363         pass_stack_regs): New.
8364         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8365         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8366         pass_stack_adjustments): New.
8367         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8368         pass_regrename): New.
8369         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8370         pass_delay_slots, gate_handle_machine_reorg,
8371         rest_of_handle_machine_reorg, pass_machine_reorg): New.
8372         * rtl.h (extern void purge_line_number_notes): New.
8373         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8374         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8375         pass_sched2): New.
8376         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8377         pass_tracer): New.
8378         * value-prof.c (gate_handle_value_profile_transformations,
8379         rest_of_handle_value_profile_transformations,
8380         pass_value_profile_transformations): New.
8381         * var-tracking.c (gate_handle_var_tracking,
8382         pass_variable_tracking): New.
8383         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8384
8385         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8386         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8387         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8388         rest_of_handle_old_regalloc, rest_of_handle_regrename,
8389         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8390         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8391         rest_of_handle_gcse2, rest_of_handle_regmove,
8392         rest_of_handle_tracer, rest_of_handle_if_conversion,
8393         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8394         rest_of_handle_web, rest_of_handle_branch_prob,
8395         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8396         rest_of_handle_jump_bypass, rest_of_handle_combine,
8397         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8398         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8399         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8400         rest_of_handle_mode_switching, rest_of_handle_jump,
8401         rest_of_handle_eh, rest_of_handle_stack_adjustments,
8402         rest_of_handle_flow2, rest_of_handle_jump2,
8403         rest_of_handle_peephole2, rest_of_handle_postreload,
8404         rest_of_handle_shorten_branches, rest_of_clean_state,
8405         rest_of_compilation): Remove.
8406
8407         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8408         * passes.c (dump_flags, in_gimple_form, all_passes,
8409         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8410         register_dump_files, next_pass_1, last_verified, execute_todo,
8411         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8412         from tree-optimize.c.
8413         (init_optimization_passes): Moved from tree-optimize.c,
8414         adding the RTL optimizations.
8415         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8416         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8417         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8418         register_dump_files, next_pass_1, last_verified, execute_todo,
8419         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8420         init_tree_optimization_passes, ipa_passes): Delete.
8421         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8422         the RTL dumps.
8423         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8424         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8425         from tree.h.
8426         (ipa_passes): Remove.
8427         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8428         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8429         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8430         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8431         (dump_info_p, dump_flag): Moved to tree-dump.h.
8432
8433         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8434         cgraph.c, opts.c.
8435         * passes.c (finish_optimization_passes): Use dump_begin
8436         and dump_end, TDI_end.
8437         (gate_rest_of_compilation): New.
8438         (pass_rest_of_compilation): Use it.
8439         (gate_postreload, pass_postreload): New.
8440         * toplev.c (general_init): Rename init_tree_optimization_passes.
8441         * toplev.h (init_tree_optimization_passes): Rename to
8442         init_optimizations_passes.
8443         * tree-dump.c (dump_flag): Make static.
8444         (dump_files): Remove RTL dumps.
8445         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8446         pass_cleanup_cfg, pass_free_cfg_annotations,
8447         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8448         pass_init_datastructures, pass_fixup_cfg): Make non-static.
8449         * tree-pretty-print.c: Include tree-pass.h.
8450         * cgraph.c: Include tree-dump.h.
8451
8452 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8453
8454         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8455         Only fall back to saying it points to readonly memory if
8456         we can't do better.
8457
8458 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8459
8460         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8461         * config/m32r/m32r.c (m32r_compute_frame_size,
8462         m32r_expand_prologue): Take current_function_profile into
8463         account whenever we reference
8464         current_function_uses_pic_offset_table.
8465         (m32r_finalize_pic): Remove.
8466         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8467
8468 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
8469
8470         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8471         instead of $<.  Don't remove ./as if it already exists.
8472
8473 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8474
8475         PR target/21723
8476         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8477         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8478         for complex modes when generating code for PA 1.0.
8479         (VALID_FP_MODE_P): New macro.
8480         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8481         sets for all general and floating point modes.  Align wide floating
8482         point modes to even register boundaries to comply with architectural
8483         requirements.
8484         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8485         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8486         (VALID_FP_MODE_P): New macro.
8487         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8488         sets for all general and floating point modes.  Align wide floating
8489         point modes to even register boundaries to comply with architectural
8490         requirements.
8491
8492 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8493
8494         * tree-dump.c (dump_files): Initialize dump number for .cgraph
8495         to 0.
8496
8497 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8498
8499         * tree-ssa-structalias.c: Don't include expr.h.
8500
8501 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8502
8503         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8504         comments.
8505
8506 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8507
8508         Fix PR tree-optimization/22279
8509
8510         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8511         correct operator.
8512
8513 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
8514
8515         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8516
8517 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8518
8519         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8520         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8521         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8522         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8523         config/stormy16/stormy16.c, config/v850/v850.c,
8524         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8525         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8526         Avoid "." or "\n" at end of diagnostics and capital letters at
8527         start of diagnostics.
8528         * combine.c, cse.c: Don't translate dump file output.
8529         * toplev.c (print_version): Only translate output if going to
8530         stderr.
8531
8532 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8533
8534         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8535         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8536         typos.
8537
8538 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8539
8540         * pa.c (fix_range): Fix typo in comment.
8541
8542 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8543
8544         * tree-vrp.c (extract_range_from_assert): Replace
8545         fold (build (...)) with fold_build2.
8546
8547 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8548
8549         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8550         gcc_gfc_char_table, init_dynamic_gfc_info): New.
8551         (format_types_orig, handle_format_attribute): Add support for
8552         format "gcc_gfc".
8553
8554 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8555
8556         * varasm.c (assemble_variable): Fix format specifier thinko.
8557
8558 2005-07-03  Ira Rosen  <irar@il.ibm.com>
8559
8560         PR tree-optimization/22029 (and 22135)
8561         * tree-pretty-print.c (dump_generic_node): Check that the node is not
8562         a phi node before calling dump_vops.
8563
8564 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8565
8566         * tree-dump.h (dump_string_field): Declare.
8567         * tree-dump.c: Use it instead of dump_string.
8568         (dump_string_field): Make non-static.
8569
8570 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8571
8572         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8573         up the minimal CFG stuff always when optimize > 0.  Call
8574         split_all_insns_noflow in PIC case if needed.
8575
8576 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8577             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8578
8579         PR c++/18279
8580         * c-decl.c (c_write_global_declarations): Dump contents of
8581         external scope to.
8582         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8583         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8584         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8585         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8586         is enabled.
8587
8588 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8589
8590         * c-common.h (GCC_DIAG_STYLE): Define.
8591         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
8592         version for format checking to 4.1.
8593         * c-format.c: Include toplev.h after c-common.h.
8594         (enum format_type): Add gcc_tdiag_format_type.
8595         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8596         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8597         (format_types_orig): Add gcc_tdiag.
8598         (init_dynamic_diag_info): Support gcc_tdiag formats.
8599         (handle_format_attribute): Likewise.
8600         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8601         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
8602         version for format checking to 4.1.
8603         (warning0, warning, error, pedwarn, sorry): Use
8604         ATTRIBUTE_GCC_DIAG.
8605         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8606         (finish_aliases_1): Do not use %qE.
8607         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8608         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8609         Correct format bugs.
8610         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8611         parameter to unsigned HOST_WIDE_INT.
8612         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8613
8614 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
8615
8616         PR middle-end/21742
8617         * expr.c (write_complex_part): Use adjust_address for MEM.
8618         (read_complex_part): Same.
8619
8620 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
8621
8622         Fix PR tree-optimization/22280
8623
8624         * tree-sra.c (generate_element_init): Remove useless loop.
8625
8626 2005-07-02  Richard Henderson  <rth@redhat.com>
8627
8628         * config/alpha/alpha.c (alpha_legitimize_address): Check for
8629         TLS_MODEL_NONE.
8630         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8631
8632 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
8633
8634         PR middle-end/14490
8635         * fold-const.c (fold_binary): Handle the return value of
8636         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8637         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8638
8639 2005-07-02  Jeff Law  <law@redhat.com>
8640
8641         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8642         a eliminate type conversion which feeds an equality comparison
8643         if the original type or either operand in the comparison is a
8644         function pointer.
8645
8646 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
8647
8648         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8649         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8650         texts.
8651         * config/avr/avr.c: Do not use '`' as left quote.
8652         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8653         Remove "." from end of diagnostics.  Make diagnostics start with
8654         lowercase letter.
8655
8656 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
8657             Joseph S. Myers  <joseph@codesourcery.com>
8658
8659         * toplev.c (default_tree_printer): Handle setting location with
8660         '+' flag.
8661         * c-objc.common.c (c_tree_printer): Likewise.
8662         * c-format.c (gcc_diag_flag_specs): Add '+'.
8663         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8664         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8665         formats.
8666         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8667         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8668         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8669         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8670         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8671         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
8672         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
8673         format arguments where %J is used without %D.
8674
8675 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
8676
8677         * gcc.c (LINK_SSP_SPEC): Define.
8678         (link_ssp_spec): New variable.
8679         (LINK_COMMAND_SPEC): Add %(link_ssp).
8680         (static_specs): Add link_ssp_spec.
8681         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8682         * configure: Rebuilt.
8683         * config.in: Rebuilt.
8684
8685         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8686         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8687         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8688         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8689         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8690         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8691         -0x7008(2) instead of reading __stack_chk_guard variable.
8692         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8693         number.
8694         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8695         (stack_protect_set, stack_protect_test): Use *_tls* patterns
8696         if TARGET_THREAD_SSP_OFFSET is defined.
8697         (stack_tls_protect_set_si, stack_tls_protect_set_di,
8698         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8699
8700         Revert:
8701         2005-06-27  Richard Henderson  <rth@redhat.com>
8702         * libgcc-std.ver (GCC_4.1.0): New.
8703         * libgcc.h (__stack_chk_guard): Declare.
8704         (__stack_chk_fail, __stack_chk_fail_local): Declare.
8705         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8706         * mklibgcc.in (lib2funcs): Add them.
8707
8708 2005-07-01  Richard Henderson  <rth@redhat.com>
8709
8710         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8711         void * before struct sigcontext *.
8712         (x86_fallback_frame_state): Likewise.
8713
8714 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
8715
8716         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8717
8718 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8719
8720         PR tree-opt/22269
8721         * tree-ssa-reassoc.c (should_transpose): Fix which operand
8722         we check for SSA_NAME for.
8723
8724 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
8725
8726         Fix PR tree-optimization/22071
8727
8728         * tree-ssa-structalias.c (offset_overlaps_with_access): New
8729         function.
8730         (get_constraint_for_component_ref): Use it.
8731
8732 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8733
8734         PR other/22264
8735         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8736         print out the last new line.
8737
8738 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
8739
8740         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8741         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8742         * config/cris/cris.c (cris_conditional_register_usage): Adjust
8743         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8744         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8745         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8746         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8747         (enum reg_class): New member CC0_REGS.
8748         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8749         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8750         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8751         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8752         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8753         Adjust for register now described.
8754
8755 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
8756
8757         PR target/22262
8758         * config/i386/i386.md (stack_protect_test_si,
8759         stack_protect_test_di): Add earlyclobber for scratch 3.
8760         * config/rs6000/rs6000.md (stack_protect_testsi,
8761         stack_protect_testdi): Add earlyclobber for scratch 3,
8762         remove earlyclobber from scratch 4.
8763
8764 Older entries for 2005 can be found in ChangeLog-2005.