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