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