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