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* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-13  Paul Brook  <paul@codesourcery.com>
2
3         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
4         apcs/atpcs.
5
6 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7
8         * tree-flow.h: Allow compilation with a C++ compiler.
9         (struct edge_prediction): Prefix all field names  with "ep_".
10         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
11         (tree_predict_edge, combine_predictions_for_bb): Likewise.
12         (remove_predictions_associated_with_edge): Likewise.
13         
14 2005-12-12  Jeff Law  <law@redhat.com>
15
16         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
17         reassociation code.
18         * passes.c (init_optimization_passes): Run reassociation again
19         after loop optimizations.
20
21 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
22
23         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
24         if necessary.
25         (optimize_stmt): Ditto.
26         (canonicalize_comparison): New function.
27         * tree-ssa-operands.c (swap_tree_operands): Make external.
28         (get_expr_operands): Stop auto-canonicalization.
29         * tree-ssa-reassoc.c: Rewrite.
30         (init_optimization_passes): 
31         * tree-flow.h (swap_tree_operands): Prototype.
32         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
33
34 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
35
36         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
37         indicate function epilogue has been output.
38         (pa_asm_output_mi_thunk): Likewise.
39         (output_deferred_plabels): Put plabels in readonly data section when
40         not generating PIC code.
41         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
42         information.  Add assert.
43         (som_output_comdat_data_section_asm_op): New function.
44         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
45         instead of output_section_asm_op for COMDAT sections.
46
47 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
48
49         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
50         Fix whitespace in vincinity of to-be-installed changes.
51         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
52         (insns_match_p): Likewise.
53
54 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
55
56         * config.gcc (ms1): Replace with ...
57         (mt): ... this.
58         * config/ms1: Rename to ...
59         * config/mt: ... here.  Rename ms1 files to mt.
60         * config/mt/mt.c: Adjust gt-mt.h #include.
61         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
62         (crti.o, crtn.o): Adjust file names.
63
64 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
65
66         * varray.h: Allow compilation with a C++ compiler.
67         (union varray_data_tag): Prefix all field names with "vdt_".
68         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
69         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
70         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
71         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
72         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
73         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
74         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
75         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
76         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
77         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
78         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
79         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
80         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
81         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
82         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
83         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
84         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
85         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
86         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
87         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
88         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
89         VARRAY_TOP_TREE_PTR): Likewise.
90         * varray.c (varray_grow): Likewise.
91         (varray_clear): Likewise.
92
93 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
94
95         PR target/25299
96         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
97         alignment to doubleword if the first field is a double array.
98         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
99
100 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
101
102         * tree-ssa-structalias.c (process_constraint): Remove code to
103         transform addressofs into scalar.
104         (create_variable_info_for): In whole-program IPA, globals don't
105         point to ANYTHING by default.
106
107 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
108
109         * timevar.def (TV_IPA_PTA): New.
110         * tree-pass.h (pass_ipa_pta): New
111         * tree-ssa-structalias.c: Include cgraph.h
112         (in_ipa_mode): New.
113         (predbitmap_obstack): New.
114         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
115         (struct constraint_stats): Add num_edges.
116         (new_var_info): Don't call bitmap_clear.
117         (struct constraint_edge): Update docs.
118         (new_constraint_edge): Remove src param.
119         (struct constraint_graph): Add zero_weight_succs,
120         zero_weight_preds.  Update docs.
121         (constraint_expr_equal): Reformat.
122         (constraint_edge_equal): Update for removal of src.
123         (constraint_edge_less): Ditto.
124         (constraint_edge_vec_find): Ditto.
125         (erase_graph_self_edge): Update for removal of src and and zero
126         weight bitmap.
127         (clear_edges_for_node): Ditto.
128         (add_graph_edge): Ditto.
129         (get_graph_weights): Ditto.
130         (allocate_graph_weights): Ditto.
131         (merge_graph_nodes): Ditto.
132         (int_add_graph_edge): Ditto.
133         (valid_graph_edge): Ditto.
134         (valid_weighted_graph_edge): Ditto.
135         (build_constraint_graph): Ditto.
136         (scc_visit): Ditto.
137         (collapse_nodes): Ditto.
138         (process_unification_queue): Ditto.
139         (topo_visit): Ditto.
140         (solve_graph): Ditto.
141         (do_structure_copy): Ditto.
142         (perform_var_substitution): Ditto.
143         Init and release obstack.
144         (handle_ptr_arith): Try to resolve directly.
145         (find_func_aliases): Don't call update_alias_info here
146         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
147         (do_sd_constraint): Add code for propagating faster.
148         Update.
149         (do_ds_constraint): Ditto.
150         (count_num_arguments): New function.
151         (create_function_info_for): Ditto.
152         (create_variable_info_for): Handle FUNCTION_DECL.
153         (intra_create_variable_infos): Use make_constraint_to_anything.
154         (init_alias_vars): Init obstacks here.
155         (need_to_solve): Handle zero weight graph changes.
156         (compute_points_to_sets): Call update_alias_info here.
157         (delete_points_to_sets): Free zero weight preds/succs here.
158         (gate_ipa_pta): New.
159         (ipa_pta_execute): New
160
161 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
162
163         * tree-ssa-structalias.c (var_anyoffset): Removed.
164         (anyoffset_tree): Ditto.
165         (anyoffset_id): Ditto.
166         (do_deref): Take vector of constraints, no return value.
167         Update to work on vector.                
168         (get_constraint_for): Ditto.
169         (get_constraint_for_component_ref): Ditto.
170         (do_structure_copy): Ditto.
171         (handle_ptr_arith): Ditto.
172         (find_func_aliases): Ditto.
173         (set_uids_in_ptset): Remove anyoffset handling.
174         (init_base_vars): Ditto.
175
176 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
177
178         PR c++/25010
179         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
180         DECL_EXTERNAL functions have no bodies.  Tidy.
181
182 2005-12-10  Andreas Schwab  <schwab@suse.de>
183
184         * except.c (switch_to_exception_section): Only define if
185         TARGET_UNWIND_INFO is not defined.
186
187 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
188
189         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
190         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
191
192 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
193
194         * output.h (init_section, fini_section): Delete.
195         * varasm.c (init_section, fini_section): Delete.
196         (init_varasm_once): Don't initialize them.
197         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
198         there are no corresponding varasm.c variables.
199
200 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
201
202         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
203         of EH_FRAME_SECTION_NAME into...
204         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
205         if it is still null.
206         * except.c (default_exception_section): Delete, moving most
207         of the code to...
208         (switch_to_exception_section): ...this new function.  Set
209         exception_section if it is still null, then switch to it.
210         (output_function_exception_table): Use switch_to_exception_section.
211         * varasm.c (exception_section, eh_frame_section): Update comments.
212         (get_section): Hoist use of SECTION_NAMED.
213         (init_varasm_once): Don't set exception_section and eh_frame_section.
214         * output.h (default_exception_section): Delete.
215         (default_eh_frame_section): Delete.
216
217 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
218
219         * config/bfin/bfin.c: Include "cgraph.h".
220         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
221         Return the reg that holds the pointer to the GOT.
222         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
223         doing stack checking.
224
225 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
226
227         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
228         recompute_tree_invarant_for_addr_expr.
229         Update uses everywhere.
230
231 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
232
233         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
234         (MULTILIB_DIRNAMES): Define.
235
236 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
237
238         PR target/25311
239         * config/s390/s390.c (struct s390_address): New field literal_pool.
240         (s390_decompose_address): Compute literal_pool field.  Do not 
241         assume register %r13 is always (and solely) used as pool base.
242         (s390_extra_constraint_str): Use literal_pool field.
243
244 2005-12-09  Thiemo Seufer  <ths@networkno.de>
245
246         * config/mips/mips.c (override_options): Don't allow too small
247         integers in FP registers.
248
249 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
250
251         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
252         targetm.binds_local_p to check for local function calls.
253
254 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
255
256         PR debug/24908
257         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
258         call_used_regs can't be used to save reg in another reg.
259
260 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
261             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
262
263         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
264         abort.
265         * except.c (output_ttype): Likewise.
266         * tree-object-size.c (collect_object_sizes_for): Likewise.
267         (check_for_plus_in_loops_1): Likewise.
268         (check_for_plus_in_loops): Likewise.
269         (compute_object_sizes): Use gcc_unreachable instead of abort.
270
271 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
272
273         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
274         (loop_end, loop_init, doloop_end): New insns.
275         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
276         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
277         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
278         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
279         * config/ms1/ms1.c: #include basic-block.h
280         (struct machine_function): Add has_loops field.
281         (ms1_add_loop): New.
282         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
283         (struct loop_info, struct loop_work): New.
284         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
285         (ms1_reorg_loops): New loop optimization.
286         (ms1_machine_reorg): Call it.
287         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
288
289 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
290
291         PR tree-optimization/25248
292         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
293         evolution_of_loop from the failed attempt.  Remove handling
294         of MULT_EXPR.
295
296 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
297
298         * tree.h (DECL_EXTERNAL): Clarify documentation.
299
300 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
301             Jakub Jelinek  <jakub@redhat.com>
302
303         PR target/25268
304         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
305         argument.  Don't drop outer ANDs.
306         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
307         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
308         prototype.
309         * config/s390/predicates.md (setmem_operand): Remove.
310         (shift_count_operand): Rename to...
311         (shift_count_or_setmem_operand): ... this.  Adjust
312         s390_decompose_shift_count caller.
313         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
314         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
315         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
316         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
317         rotl<mode>3_and, setmem_long_and): New insns.
318         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
319         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
320         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
321         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
322         of shift_count_operand.
323         (setmem_long): Use shift_count_or_setmem_operand instead of
324         setmem_operand.
325
326 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
327             Andreas Tobler  <a.tobler@schweiz.ch>
328
329         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
330         tr expression.
331
332 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
333
334         * expr.c (force_operand): Use convert_to_mode for conversions.
335
336 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
337
338         * reload.h (reg_equiv_invariant): Declare.
339         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
340         register also when reg_equiv_invariant[R] is set.
341
342 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
343             Andreas Tobler  <a.tobler@schweiz.ch>
344
345         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
346
347 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
348
349         * tree-ssa-pre.c (bitmap_set_and): New function.
350         (bitmap_set_and_compl): New function.
351         (bitmap_set_empty_p): New function.
352         (insert_extra_phis): New function.
353         (compute_avail): Use insert_extra_phis.
354
355 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
356
357         * config/s390/s390.c (s390_expand_atomic): New function.
358         Adjust comment of helper functions.
359         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
360         * config/s390/s390.md ("ATOMIC"): New code macro.
361         ("atomic"): Corresponding new code attribute.
362         ("sync_lock_test_and_set[hq]i", 
363         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
364
365 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
366
367         * config/s390/s390.c (s390_expand_mask_and_shift, 
368         struct alignment_context, init_alignment_context, 
369         s390_expand_cs_hqi): New.
370         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
371         * config/s390/s390.md ("sync_compare_and_swaphi",
372         "sync_compare_and_swapqi"): New pattern.
373
374 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
375
376         Fix PR tree-optimization/25291
377         * tree-ssa-operands.c (add_call_clobber_ops): Remove
378         redundant and crashing check.
379
380 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
381
382         PR target/25212
383         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
384         tests further when !strict && reload_in_progress.
385         (print_operand): Check that both operands of indexed address are regs.
386         (print_operand_address): Likewise.
387         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
388         (INT_REG_OK_FOR_BASE_P): Correct.
389
390 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
391
392         Preparation for PR rtl-optimization/20070 / part1
393         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
394         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
395         outgoing_edges_match.
396         (outgoing_edges_match): Use condjump_equiv_p.
397         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
398         into..
399         * struct-equiv.c: New file.
400         (death_notes_match_p) New function, broken out of insns_match_p.
401         * Makefile.in (OBJS-common): Add struct-equiv.o.
402         (struct-equiv.o): New target.
403
404 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
405
406         * coretypes.h: Revert previous change.
407         * config/darwin.h: Revert previous reversion.
408         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
409
410 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
411
412         * coretypes.h (section): Provide dummy definition for target files.
413         * config/darwin.h: Revert previous change.
414
415 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
416
417         * doc/sourcebuild.texi (all.build, install-normal): Remove.
418         * configure.ac: Remove all.build and install-normal from target_list
419         * configure: Regenerate.
420         * Makefile.in (install): Don't depend on install-normal.
421
422 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
423
424         * Makefile.in: Document the use of stamps.
425
426 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
427
428         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
429         * Makefile.in: Add code to compute some dependencies on s-gtype
430         automatically.  Remove the declaration of those dependencies.
431
432 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
433
434         * gcc/reload.c (push_secondary_reload): Fix typo:
435         s/insn_constraint/scratch_constraint/.
436
437 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
438
439         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
440
441 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
442
443         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
444         (alpha_elf_select_rtx_section): Return the selected section rather
445         than emitting assembly code.
446         (alpha_write_linkage): Emit a ".link" directive directly and then
447         set in_section to NULL.
448         (vms_asm_out_constructor): Use switch_to_section.
449         (vms_asm_out_destructor): Likewise.
450         (unicosmk_output_common): Set in_section to NULL instead of calling
451         the dummy common_section function.
452         (unicosmk_text_section): Delete in favor of...
453         (unicosmk_output_text_section_asm_op): ...this new function.
454         (unicosmk_data_section): Delete in favor of...
455         (unicosmk_output_data_section_asm_op): ...this new function.
456         (unicosmk_init_sections): New function.
457         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
458         (unicosmk_output_ssib): Set in_section to NULL instead of calling
459         the dummy ssib_section function.
460         (unicosmk_section_buf): Delete.
461         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
462         (unicosmk_data_section): Delete.
463         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
464         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
465         (SECTION_FUNCTION_TEMPLATE): Delete.
466         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
467         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
468         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
469         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
470         (TARGET_ASM_INIT_SECTIONS): Define.
471         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
472         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
473         (link_section, literals_section): Delete.
474         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
475         set in_section to NULL.
476
477         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
478         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
479         (COMMON_SECTION): Delete.
480         (TARGET_ASM_INIT_SECTIONS): Define.
481         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
482         the dummy common_section function.
483         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
484         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
485         between readonly_data_section and text_section to check whether
486         read-only data is being put in the text section.
487         (arm_output_function_epilogue): Use switch_to_section.
488         (arm_elf_asm_constructor): Likewise.
489         (thumb_call_via_reg): Replace call to in_text_section with
490         a comparison between in_section and text_section.
491         (arm_file_end): Use switch_to_section.
492         (aof_text_section): Delete in favor of...
493         (aof_output_text_section_asm_op): ...this new function.
494         (aof_data_section): Delete in favor of...
495         (aof_output_data_section_asm_op): ...this new function.
496         (aof_asm_init_sections): New function.
497         (zero_init_section): Moved from config/arm/aof.h.
498         (aof_dump_imports, aof_file_start): Use switch_to_section.
499         * config/arm/arm.h (thumb_call_via_label): Update comment.
500         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
501         (common_section): Delete.
502         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
503         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
504         global switch_to_section function instead of the old port-local one.
505         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
506         (SWITCH_TO_SECTION_FUNCTION): Delete.
507         (drectve_section): Redefine as a macro.
508         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
509         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
510         switch_to_section.
511
512         * config/avr/avr.c (progmem_section): New variable.
513         (avr_output_progmem_section_asm_op): New function.
514         (avr_asm_init_sections): New function.
515         (avr_output_addr_vec_elt): Use switch_to_section.
516         * config/avr/avr.h (progmem_section): Declare.
517         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
518         (READONLY_DATA_SECTION): Delete.
519         (TARGET_ASM_INIT_SECTIONS): Define.
520         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
521         * config/avr/avr-protos.h (progmem_section): Delete.
522
523         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
524
525         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
526         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
527
528         * config/darwin-sections.def: New file.
529         * config/darwin.c: Define all sections in darwin-sections.def.
530         (output_objc_section_asm_op, darwin_init_sections): New functions.
531         (machopic_output_indirection): Use switch_to_section.
532         (machopic_select_section): Return the selected section rather than
533         emitting assembly code.  Replace the static function table with
534         inline conditional expressions.  Update the tests of last_text_section
535         and move them into the FUNCTION_DECL block.
536         (machopic_select_rtx_section): Return the selected section rather than
537         emitting assembly code.
538         (machopic_asm_out_constructor, machopic_asm_out_destructor)
539         (darwin_file_end): Use switch_to_section.
540         * config/darwin.h: Use darwin-sections.def to declare sections.
541         (INIT_SECTION_ASM_OP): Remove empty definition.
542         (HAS_INIT_SECTION): Define this instead.
543         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
544         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
545         (TARGET_ASM_EH_FRAME_SECTION): Delete.
546         (TARGET_ASM_INIT_SECTIONS): Define.
547         * config/darwin-protos.h (darwin_init_sections): Declare.
548         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
549         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
550         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
551         (constructor_section, destructor_section, mod_init_section): Delete.
552         (mod_term_section): Delete.
553         (darwin_exception_section, darwin_eh_frame_section): Delete.
554         (machopic_select_section): Return a section.
555         (machopic_select_rtx_section): Likewise.
556         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
557         (const_section, const_coal_section, const_data_section): Delete.
558         (const_data_coal_section, data_coal_section, cstring_section): Delete.
559         (literal4_section, literal8_section, constructor_section): Delete.
560         (mod_init_section, mod_term_section, destructor_section): Delete.
561         (objc_class_section, objc_meta_class_section, objc_category_section)
562         (objc_class_vars_section, objc_instance_vars_section): Delete.
563         (objc_cls_meth_section, objc_inst_meth_section): Delete.
564         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
565         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
566         (objc_symbols_section, objc_module_info_section): Delete.
567         (objc_image_info_section, objc_protocol_section): Delete.
568         (objc_string_object_section, objc_constant_string_object_section)
569         (objc_class_names_section, objc_meth_var_names_section): Delete.
570         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
571         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
572         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
573         (darwin_exception_section, darwin_eh_frame_section): Delete.
574         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
575
576         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
577         (frv_asm_out_destructor): Likewise.
578         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
579         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
580         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
581         get_named_section.
582         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
583         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
584         (data_section): Delete.
585
586         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
587         (DRECTVE_SECTION_FUNCTION): Delete.
588         (drectve_section): Redefine as a macro that sets in_section after
589         emitting the directive.
590         (SWITCH_TO_SECTION_FUNCTION): Delete.
591         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
592         in_text_section with comparison between in_section and text_section.
593         * config/i386/i386.c (x86_64_elf_select_section): Return the section
594         rather than emitting assembly code.  Use get_named_section.
595         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
596         get_named_section.
597         (machopic_output_stub): Use switch_to_section.
598         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
599         (nwld_named_section_asm_out_destructor): Use get_section and
600         switch_to_section.
601
602         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
603         rather than emitting assembly code.
604         (ia64_rwreloc_select_section): Likewise.
605         (ia64_rwreloc_select_rtx_section): Likewise.
606         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
607         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
608         switch_to_section.
609         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
610         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
611
612         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
613         section rather than emitting assembly code.
614         (iq2000_select_section): Likewise.
615         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
616         (sbss_section): Delete.
617
618         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
619         and get_named_section.
620         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
621
622         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
623         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
624         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
625         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
626         in_section to NULL.
627         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
628         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
629         global switch_to_section function instead of the old port-local one.
630         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
631         (SWITCH_SECTION_FUNCTION): Delete.
632         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
633         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
634         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
635         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
636         in_section to NULL.
637         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
638         global switch_to_section function instead of the old port-local one.
639         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
640
641         * config/mips/mips.c (mips_file_start): Update comment.
642         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
643         (mips_output_aligned_decl_common): Use switch_to_section.
644         (mips_select_rtx_section): Return the section rather than emitting
645         assembly code.  Use get_named_section.
646         (mips_function_rodata_section: Likewise get_section.
647         (build_mips16_function_stub): Use switch_to_section.
648         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
649         (SDATA_SECTION_ASM_OP): Delete.
650         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
651         (EXTRA_SECTION_FUNCTIONS): Delete.
652
653         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
654         (mmix_asm_output_aligned_local): Use switch_to_section.
655
656         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
657         (som_one_only_readonly_data_section): New variables.
658         (pa_output_function_epilogue): Set in_section to NULL instead of
659         calling forget_section.
660         (output_deferred_plabels): Use select_section.
661         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
662         of calling forget_section.
663         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
664         (pa_asm_output_aligned_local): Use select_section.
665         (som_text_section_asm_op): Delete in favor of...
666         (som_output_text_section_asm_op): ...this new function.
667         (pa_som_asm_init_sections): New function.
668         (pa_select_section): Return the section rather than emitting
669         assembly code.
670         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
671         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
672         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
673         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
674         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
675         (som_readonly_data_section, som_one_only_readonly_data_section)
676         (som_one_only_data_section, forget_section): Delete.
677         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
678         (TARGET_ASM_INIT_SECTIONS): Define.
679         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
680
681         * config/rs6000/rs6000.c (read_only_data_section): New variable.
682         (private_data_section, read_only_private_data_section): New variables.
683         (sdata2_section, toc_section): New variables.
684         (rs6000_file_start): Use switch_to_section.
685         (rs6000_assemble_integer): Use comparisons against in_section
686         instead of calling in_toc_section and in_text_section.  Use
687         unlikely_text_section_p.
688         (rs6000_elf_output_toc_section_asm_op): New function, derived
689         from the old rs6000/sysv4.h toc_section function.
690         (rs6000_elf_asm_init_sections): New function.
691         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
692         the section rather than emitting assembly code.
693         (machopic_output_stub): Use switch_to_section.
694         (toc_section): Delete dummy function.
695         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
696         switch_to_section and get_section.
697         (rs6000_xcoff_output_readonly_section_asm_op): New function.
698         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
699         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
700         the old rs6000/xcoff.h toc_section function.
701         (rs6000_xcoff_asm_init_sections): New function.
702         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
703         the section rather than emitting assembly code.
704         (rs6000_xcoff_file_start): Use switch_to_section.
705         (rs6000_xcoff_file_end): Likewise.
706         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
707         (sdata2_section, sbss_section, private_data_section): Delete.
708         (read_only_data_section, read_only_private_data_section): Delete.
709         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
710         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
711         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
712         (FINI_SECTION_FUNCTION): Delete.
713         (TARGET_ASM_INIT_SECTIONS): Define.
714         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
715         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
716         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
717         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
718         (READONLY_DATA_SECTION): Delete.
719         (TARGET_ASM_INIT_SECTIONS): Define.
720         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
721         to NULL rather than no_section.
722         (TARGET_ASM_EXCEPTION_SECTION): Delete.
723
724         * config/sh/sh.c (sh_file_start): Use switch_to_section.
725
726         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
727         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
728         from call to current_function_section.
729
730         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
731         (bss100_section): New variable.
732         (xstormy16_asm_output_aligned_common): Use switch_to_section.
733         (xstormy16_asm_init_sections): New function.
734         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
735         switch_to_section and get_section.
736         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
737         from calls to current_function_section.
738         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
739         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
740         (TARGET_ASM_INIT_SECTIONS): Define.
741         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
742
743         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
744         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
745         (FINI_SECTION_FUNCTION): Delete.
746
747         * config/v850/v850.c: Include gt-v850.h.
748         (rosdata_section, rozdata_section, tdata_section, zdata_section)
749         (zbss_section): New variables.
750         (v850_output_aligned_bss): Use switch_to_section.
751         (v850_asm_init_sections): New function.
752         (v850_select_section): Return the section rather than emitting
753         assembly code.
754         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
755         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
756         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
757         (TARGET_ASM_INIT_SECTIONS): Define.
758         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
759         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
760         (zbss_section): Delete.
761
762         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
763
764         * config/vx-common.h (vxworks_exception_section): Delete.
765         (TARGET_ASM_EXCEPTION_SECTION): Delete.
766
767         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
768         section rather than emitting assembly code.
769         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
770         switch_to_section.
771
772         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
773         * coretypes.h (section): New union and typedef.
774         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
775         from call to current_function_section.
776         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
777         (dbxout_symbol_location): Use switch_to_section.
778         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
779         most of the code into...
780         (default_eh_frame_section): ...here.  Return a section.
781         (collect2_eh_frame_section): Delete, moving most of the code into..
782         (switch_to_eh_frame_section): ...this new function.
783         (debug_info_section, debug_abbrev_section, debug_aranges_section)
784         (debug_macinfo_section, debug_line_section, debug_loc_section)
785         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
786         variables.
787         (output_call_frame_info): Call switch_to_eh_frame_section instead of
788         eh_frame_section.  Use switch_to_section and get_section.
789         (dwarf2out_begin_prologue): Use switch_to_section.
790         (AT_string_form): Check the flags in debug_str_section instead of
791         DEBUG_STR_SECTION_FLAGS.
792         (output_comp_unit): Use switch_to_section, get_section, and
793         debug_info_section.
794         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
795         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
796         from call to current_function_section.
797         (dwarf2out_var_location): Use unlikely_text_section_p.
798         (dwarf2out_source_line): Use switch_to_section.  Remove argument
799         from call to current_function_section.
800         (dwarf2out_start_source_file, dwarf2out_end_source_file)
801         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
802         debug_macinfo_section.
803         (dwarf2out_init): Initialize the new section variables.  Use them
804         instead of calls to named_section_flags.  Use switch_to_section.
805         (output_indirect_string): Use switch_to_section and debug_str_section.
806         (dwarf2out_finish): Use switch_to_section and the new section
807         variables.
808         * except.c (default_exception_section): Return the section instead
809         of emitting assembly code.
810         (output_function_exception_table): Use the global exception_section
811         variable instead of the target hook.  Use switch_to_section.  Remove
812         argument from call to current_function_section.
813         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
814         (shorten_branches): Use pointer comparisons to detect whether the
815         text section is the same as readonly_data_section.
816         (profile_function): Use switch_to_section.  Remove argument from
817         call to current_function_section.
818         (final_scan_insn): Likewise.  Update use of last_text_section.
819         * gengtype.c (open_base_files): Add an include of output.h.
820         * output.h (text_section, data_section, readonly_data_section)
821         (ctors_section, dtors_section, bss_section, init_section)
822         (fini_section, sdata_section): Turn into section pointers.
823         (in_text_section, in_unlikely_text_section, exports_section)
824         (drectve_section, named_section, mergeable_string_section)
825         (last_text_section_name): Delete.
826         (default_exception_section, default_eh_frame_section): Return sections.
827         (SECTION_DECLARED, SECTION_NAMED): New macros.
828         (SECTION_MACH_DEP): Bump value.
829         (section_common, named_section, unnamed_section): New structures.
830         (unnamed_section_callback): New typedef.
831         (section): New union.
832         (sbss_section, exception_section, eh_frame_section): New variables.
833         (in_section, last_text_section): Turn into section pointers.
834         (get_unnamed_section, get_section, get_named_section): New functions.
835         (mergeable_constant_section, function_section): Return a section.
836         (unlikely_text_section): Likewise.
837         (current_function_section): Likewise.  Remove the decl argument.
838         (unlikely_text_section_p, switch_to_section): New functions.
839         (output_section_asm_op): New function.
840         (set_named_section_flags, named_section_flags, named_section_real)
841         (named_section_first_declaration): Delete.
842         (default_select_section, default_elf_select_section): Return a section.
843         (default_elf_select_section_1, default_function_rodata_section)
844         (default_no_function_rodata_section, default_select_rtx_section)
845         (default_elf_select_rtx_section): Likewise.
846         * rtl.h (in_data_section): Delete.
847         * sdbout.c (sdbout_one_type): Use switch_to_section.
848         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
849         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
850         (TARGET_ASM_EH_FRAME_SECTION): Poison.
851         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
852         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
853         (TARGET_ASM_OUT): Update after above changes.
854         * target.h (init_sections): New hook.
855         (exception_section, eh_frame_section): Delete.
856         (select_section, select_rtx_section, function_rodata_section): Return
857         a section rather than emitting assembly code.
858         * varasm.c (text_section, data_section, readonly_data_section)
859         (ctors_section, dtors_section, bss_section, init_section)
860         (fini_section): Turn into section pointers.
861         (sdata_section, sbss_section, exception_section): New variables.
862         (eh_frame_section): New variable.
863         (in_section): Make global and turn into a section pointer.
864         (last_text_section): Turn into a section pointer.
865         (unnamed_sections): New variable.
866         (in_named_name, last_text_section_name): Delete.
867         (EXTRA_SECTION_FUNCTIONS): Delete.
868         (in_named_entry): Delete.
869         (section_htab): New variable, replacing...
870         (in_named_htab): ...this deleted variable.
871         (section_entry_eq, section_entry_hash): New functions, based on...
872         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
873         (get_unnamed_section, get_section): New functions.
874         (unlikely_text_section): Return a section instead of emitting
875         assembly code.
876         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
877         (get_named_section_flags, named_section_first_declaration): Delete.
878         (unlikely_text_section_p): New function.
879         (named_section_real, named_section): Delete.
880         (get_named_section): New function.
881         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
882         (function_section): Return a section rather than emitting
883         assembly code.
884         (current_function_section): Likewise.  Remove argument.  Use
885         last_text_section if nonnull, otherwise use function_section.
886         (default_function_rodata_section): Return a section rather than
887         emitting assembly code.  Use get_section.
888         (default_no_function_rodata_section): Return a section rather than
889         emitting assembly code.
890         (variable_section): Use switch_to_section and get_named_section.
891         (mergeable_string_section): Return a section rather than emitting
892         assembly code.  Use get_section.  Make static.  Don't take special
893         countermeasures for empty strings.
894         (mergeable_constant_section): Return a section rather than emitting
895         assembly code.  Use get_section.
896         (default_named_section_asm_out_destructor): Use switch_to_section
897         and get_section.
898         (default_dtor_section_asm_out_destructor): Use switch_to_section.
899         (default_named_section_asm_out_constructor): Use switch_to_section
900         and get_section.
901         (default_ctor_section_asm_out_constructor): Use switch_to_section.
902         (assemble_start_function): Likewise.  Set last_text_section to
903         NULL rather than no_section.  Change the type of save_section.
904         (assemble_zeros, assemble_variable): Use the section flags to detect
905         whether or not a section is text.
906         (assemble_static_space): Use switch_to_section.
907         (assemble_trampoline_template): Likewise.
908         (output_constant_def_contents): Use switch_to_section and
909         get_named_section.
910         (output_constant_pool_1): Use switch_to_section.  Use the section
911         flags to see whether sections contain mergeable data.
912         (init_varasm_once): Initialize section_htab instead of in_named_htab.
913         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
914         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
915         whether a section has already been declared.
916         (default_select_section, default_elf_select_section): Return a
917         section rather than emitting assembly code.
918         (default_elf_select_section_1): Likewise.  Use bss_section for
919         SECCAT_BSS if nonnull.  Use get_named_section.
920         (default_select_rtx_section): Return a section rather than
921         emitting assembly code.
922         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
923         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
924         (output_section_asm_op, switch_to_section): New functions.
925         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
926         get_named_section.
927
928         * doc/tm.texi: Expand the introduction to the sections documentation.
929         (TRAMPOLINE_SECTION): Document new interface.
930         (SDATA_SECTION_ASM_OP): Document new macro.
931         (READONLY_DATA_SECTION): Delete.
932         (SDATA_SECTION_ASM_OP): Document new macro.
933         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
934         (TARGET_ASM_INIT_SECTIONS): Document new hook.
935         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
936         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
937         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
938
939 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
940
941         * gcc.c (init_gcc_specs): Match braces inside conditionally
942         compiled strings.
943
944 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
945
946         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
947
948 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
949
950         PR C++/24138
951         * tree.c (integer_all_onesp): Always return true if all bits on.
952
953         * testsuite/g++.dg/init/array0.C: New.
954
955 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
956
957         * doc/md.texi: Adapt to implementation.
958
959 2005-12-06  Andreas Schwab  <schwab@suse.de>
960
961         * opts.c (decode_options): Fix typo in message.
962
963 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
964
965         PR other/13873
966         * longlong.h: Merge PPC tests from upstream.
967
968 2005-12-06  Richard Guenther  <rguenther@suse.de>
969
970         * fold-const.c (fold_convert): Do not build and fold
971         CONVERT_EXPR, but always use NOP_EXPR.
972
973 2005-12-06  Jan Beulich  <jbeulich@novell.com>
974
975         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
976         __builtin_ia32_paddq and __builtin_ia32_subq.
977         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
978         __builtin_ia32_pshufw.
979         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
980
981 2005-12-05  James E Wilson  <wilson@specifix.com>
982
983         PR target/24934
984         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
985         is set.
986
987 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
988         
989         * print-tree.c (print_node): Ditto.
990         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
991         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
992         before accessing DECL_ARTIFICIAL. 
993         Handle new tag tree codes.
994         * tree-flow-inline.h (clear_call_clobbered): Update for tag
995         changes.
996         (unmodifiable_var_p): Ditto.
997         * tree-flow.h (mem_tag_kind): Remove.
998         (struct var_ann_d): Remove mem_tag_kind member.
999         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1000         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1001         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1002         (group_aliases): Ditto.
1003         (setup_pointers_and_addressables): Ditto.
1004         (is_escape_site): Ditto.                                          
1005         (may_alias_p): Ditto.
1006         (create_tag_raw): New function.
1007         (create_memory_tag): Use it.
1008         (dump_alias_info): Update for tags.
1009         (may_be_aliased): Ditto.
1010         (add_type_alias): Ditto.
1011         (new_type_alias): Ditto.
1012         (create_sft): Ditto.
1013         (create_structure_vars): Ditto.
1014         * tree-ssa-ccp.c (get_default_value): Ditto.
1015         * tree-ssa-operands.c (get_expr_operands): Ditto.
1016         (add_stmt_operand): Ditto.
1017         (add_call_clobber_ops): Remove duplicated condition.
1018         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1019         tags.
1020         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1021         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1022         * tree.c (init_ttree): Update structures for new tree codes.
1023         (tree_code_size): Update sizes for new tree codes.
1024         (make_node_stat): Don't try to set common things on minimal
1025         structures.
1026         (tree_node_structure): Update for tags.
1027         (is_global_var): Ditto.
1028         * tree.def: Add new tree codes.
1029         * tree.h (MTAG_P): New macro.
1030         (TREE_MEMORY_TAG_CHECK): Ditto.
1031         (SSA_VAR_P): Update for tags.
1032         (struct tree_memory_tag): New structure.
1033         (MTAG_GLOBAL): New macro.
1034         (union tree_node): Add memory tag member.
1035         * treestruct.def (TS_MEMORY_TAG): New.
1036         
1037 2005-12-05  Dale Johannesen  <dalej@apple.com>
1038
1039         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1040         what was approved (PR 24323).
1041
1042 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1043
1044         * doc/c-tree.texi (Function Bodies): Remove description of
1045         RETURN_INIT.
1046
1047 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1048
1049         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1050         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1051         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1052         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1053         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1054         __divxc3): Document.
1055
1056 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1057
1058         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1059         previous behaviour.
1060         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1061         hook_bool_void_false.
1062         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1063         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1064
1065         * config/darwin.c (machopic_select_section): It's not defined
1066         as weak if it's only marked as weak_import.
1067         
1068         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1069         Prototype.
1070
1071         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1072         A hidden weak object does bind locally.  Strong linkonce data
1073         counts like any other strong symbol for binding.
1074         (weak_finish_1): Don't specially handle weakrefs, they no longer
1075         arrive here.
1076         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1077         * c-common.c (handle_alias_attribute): Allow static aliases
1078         of variables.
1079         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1080         * gthr-dce.h: Make weakrefs static.
1081         * gthr-tpf.h: Likewise.
1082         * gthr-solaris.h: Likewise.
1083         * gthr-posix.h: Likewise.
1084         * gthr-posix95.h: Likewise.
1085         * config/darwin.c (darwin_encode_section_info): static weakref
1086         variables are not necessarily defined in this translation unit.
1087         * doc/extend.texi (Function Attributes): Mention that an alias
1088         attribute creates a definition for the thing it's attached to.
1089         Change the documentation for weakref to say that the thing
1090         it's attached to must be static.
1091
1092         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1093         we don't go into an infinite loop.
1094
1095 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1096
1097         * config/rs6000/predicates.md (logical_const_operand): Split
1098         out of logical_operand.
1099         (logical_operand): Use it.
1100         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1101         logical_const_operand.
1102
1103 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1104
1105         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1106         and IX86_BUILTIN_CMPNESS.
1107         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1108         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1109         * config/i386/i386.md (movti_internal): Correct type attribute.
1110         Simplify mode attribute.
1111         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1112         Correct type attribute.
1113         (absxf2): Correct operator.
1114         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1115         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1116         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1117         mode attribute.
1118         (sse2_vmsqrtv2df2): Correct mode attribute.
1119
1120 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1121
1122         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1123         16 bits. Provide insn pattern for this case.
1124
1125 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1126
1127         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1128         result.
1129         (__popcountDI2): Likewise.
1130
1131 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1132
1133         PR target/25166
1134         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1135         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1136         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1137         functions.
1138
1139 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1140
1141         * c-typeck.c (null_pointer_constant_p): New function.
1142         (build_conditional_expr, build_c_cast, convert_for_assignment,
1143         build_binary_op): Use it.
1144
1145 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1146
1147         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1148         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1149         CONVERT_EXPR.
1150         (check_function_arguments_recurse): Allow both NOP_EXPR and
1151         CONVERT_EXPR but check conversions preserve precision.
1152         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1153         but check conversions preserve precision.
1154         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1155         default case.
1156
1157 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1158
1159         PR c/7776
1160         * common.opt (Wstring-literal-comparison): New command line option.
1161         * c-opts.c (c_common_handle_option): Set it with -Wall.
1162         * c-typeck.c (parser_build_binary_op): Issue warning if either
1163         operand of a comparison operator is a string literal, except for
1164         testing equality or inequality against NULL.
1165
1166         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1167
1168 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1169
1170         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1171         of building a NOP_EXPR.
1172         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1173         NOP_EXPR.
1174         * c-convert.c (convert): Use fold_convert instead of building
1175         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1176         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1177         #if 0 code.
1178         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1179         NOP_EXPR the same as CONVERT_EXPR.
1180         * c-typeck.c (build_function_call): Use fold_convert instead of
1181         building a NOP_EXPR directly.
1182         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1183
1184 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1185
1186         PR rtl-optimization/25197
1187         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1188         have a reg.
1189
1190 2005-12-02  Stuart Hastings  <stuart@apple.com>
1191
1192         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1193         warning.
1194
1195 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1196
1197         * c-typeck.c (default_function_array_conversion,
1198         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1199         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1200         orig_op2.  Don't check them for NOP_EXPR.
1201         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1202         around integer zero.
1203
1204 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1205
1206         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1207         toc_save_offset, toc_size, lr_size.
1208         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1209         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1210         Adjust for removal of unused rs6000_stack_t fields.
1211         (debug_stack_info): Adjust.
1212         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1213         first, and don't bother checking for set/inc of lr on sibcalls.
1214         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1215
1216 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1217
1218         PR target/25199
1219         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1220         5 if operand 1 is not aligned.  Undo previous constraint change.
1221         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1222
1223 2005-12-02  Richard Guenther  <rguenther@suse.de>
1224
1225         * tree.h (build): Remove prototype.
1226         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1227         * tree.c (build): Remove.
1228         (build0_stat): Update comment.
1229
1230 2005-12-02  Richard Guenther  <rguenther@suse.de>
1231
1232         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1233         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1234         Likewise.
1235         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1236         maybe_fold_offset_to_component_ref): Likewise.
1237         * tree-ssa-dom.c (thread_across_edge,
1238         simplify_rhs_and_lookup_avail_expr,
1239         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1240         Likewise.
1241         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1242         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1243         lower_try_finally_switch): Likewise.
1244         * tree-if-conv.c (add_to_dst_predicate_list,
1245         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1246         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1247         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1248         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1249         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1250         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1251         gimplify_init_ctor_eval, gimplify_init_constructor,
1252         gimplify_variable_sized_compare, gimplify_boolean_expr,
1253         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1254         gimplify_expr, gimplify_body, gimplify_function_tree,
1255         force_gimple_operand): Likewise.
1256         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1257         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1258         mx_register_decls): Likewise.
1259         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1260         get_frame_field, finalize_nesting_tree_1): Likewise.
1261         * tree-inline.c (setup_one_parameter): Likewise.
1262         * tree-vect-transform.c (vectorizable_condition): Likewise.
1263         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1264         Likewise.
1265         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1266         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1267         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1268         * tree-chrec.h (build_polynomial_chrec): Likewise.
1269
1270 2005-12-02  Richard Guenther  <rguenther@suse.de>
1271
1272         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1273         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1274         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1275         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1276         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1277         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1278         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1279         Likewise.
1280         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1281         sh_adjust_unroll_max): Likewise.
1282         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1283         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1284         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1285         Likewise.
1286         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1287         Likewise.
1288         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1289         Likewise.
1290
1291 2005-12-02  Richard Guenther  <rguenther@suse.de>
1292
1293         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1294         simplify_cond_using_ranges): Use buildN instead of build.
1295         * tree-tailcall.c (adjust_accumulator_values,
1296         adjust_return_value): Likewise.
1297         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1298         generate_element_copy, generate_element_zero,
1299         generate_one_element_init): Likewise.
1300         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1301         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1302         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1303         perfect_nestify): Likewise.
1304
1305 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1306
1307         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1308
1309 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1310
1311         * ggc.h (GGC_RESIZEVEC): New.
1312
1313 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1314
1315         * gcc.c (execute): Improve readability.
1316
1317 2005-12-02  Richard Guenther  <rguenther@suse.de>
1318
1319         * tree-cfg.c (mark_used_vars): New function.
1320         (dump_function_to_file): Dump only used VAR_DECLs.
1321
1322 2005-12-02  Richard Guenther  <rguenther@suse.de>
1323
1324         * convert.c (convert_to_integer): Fix compare for nonpositive
1325         constant to use tree_int_cst_sgn <= 0.
1326
1327 2005-12-02  Richard Guenther  <rguenther@suse.de>
1328
1329         * convert.c (convert_to_integer): Use fold_convert instead
1330         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1331         instead of comparing against 0.  Use build_int_cst instead
1332         of converting integer_zero_node.
1333
1334 2005-12-02  Richard Guenther  <rguenther@suse.de>
1335
1336         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1337         and RROTATE_EXPR.
1338  
1339 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1340
1341         PR target/21017
1342         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1343         rotates.
1344
1345 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1346
1347         PR middle-end/25176
1348         * function.c (expand_function_end): Emit blockage for unwinder
1349         after return label.
1350
1351 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1352
1353         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1354         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1355         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1356         integer constant comparisons.
1357
1358 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1359             Janis Johnson  <janis187@us.ibm.com>
1360             David Edelsohn  <dje@watson.ibm.com>
1361             Ben Elliston  <bje@au.ibm.com>
1362
1363         * dfp.h, dfp.c: New files.
1364         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1365         (DECNUM_H): Likewise.
1366         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1367         (INCLUDES): Append $(DECNUMINC).
1368         (OBJS-common): Add dfp.o.
1369         (dfp.o): New rule.
1370         * real.h (EXP_BITS): Pinch one bit to ..
1371         (struct real_value): Add decimal field.
1372         (real_format): Change table size, update documentation.
1373         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1374         (real_from_string3): Declare.
1375         (decimal_single_format): Declare.
1376         (decimal_double_format): Declare.
1377         (decimal_quad_format): Declare.
1378         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1379         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1380         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1381         * real.c: Include dfp.h.
1382         (normalize): Early return for decimal floats.
1383         (do_add): Zero decimal field.
1384         (do_compare): Call do_decimal_compare for decimal floats.
1385         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1386         (real_arithmetic): Call decimal_real_arithmetic for decimal
1387         floating point operands.
1388         (real_identical): If a and b are of differing radix, return false.
1389         (real_to_integer): Call decimal_real_to_integer if the value is a
1390         decimal float.
1391         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1392         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1393         (real_to_hexadecimal): Place "N/A" in the return string for
1394         decimal float.
1395         (real_from_string3): New variant, given a mode.
1396         (real_maxval): Use decimal_real_maxval for decimal floats.
1397         (round_for_format): Use decimal_round_for_format for decimals.
1398         (real_convert): Use decimal_real_convert where appropriate.
1399         (significand_size): Handle base 10.
1400         (encode_decimal_single, decode_decimal_single,
1401         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1402         decode_decimal_quad): New functions.
1403         (decimal_single_format): New.
1404         (decimal_double_format): New.
1405         (decimal_quad_format): New.
1406         * machmode.def: Add SD, DD and TD decimal floating point modes.
1407         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1408         Include MODE_DECIMAL_FLOAT.
1409         (DECIMAL_FLOAT_MODE_P): New.
1410         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1411         * genmodes.c (struct mode_data): Add counter field.
1412         (struct mode_data): Update comment for format.
1413         (blank_mode): Initialise counter field.
1414         (new_mode): Increment counter field for each mode defined.
1415         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1416         using a format.
1417         (make_complex_modes): Handle modes containing `D'.
1418         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1419         (make_decimal_float_mode): New.
1420         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1421         (cmp_modes): Compare counter field if other characteristics
1422         similar.
1423         (emit_real_format_for_mode): Support formats for decimal floats.
1424         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1425         Document MODE_DECIMAL_FLOAT.
1426
1427 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1428
1429         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1430         Delete dead code.
1431
1432 2005-12-01  Richard Henderson  <rth@redhat.com>
1433
1434         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1435
1436 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1437
1438         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1439
1440         * config/pa/pa.c (pa_init_builtins): If we detect
1441         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1442         putc_unlocked.
1443
1444 2005-12-01  Richard Guenther  <rguenther@suse.de>
1445
1446         * fold-const.c (fold_binary): Use fold_build2, not
1447         fold (build (...)).
1448
1449 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1450
1451         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1452
1453         * vec.h (VEC_block_remove): New.
1454
1455 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1456
1457         PR c/13384
1458         * c-common.c (lvalue_error): Fix wording.
1459
1460 2005-12-01  Richard Guenther  <rguenther@suse.de>
1461
1462         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1463         thinko in last patch.
1464
1465 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1466
1467         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1468         than -flat_namespace.
1469
1470 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1471
1472         * mklibgcc.in: Parameterise the script to build soft float
1473         functions by iterating over each type, rather than cloning the
1474         code for each type.
1475
1476 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1477
1478         PR middle-end/25158
1479         * builtins.c (fold_builtin_fputs): Defer check for missing
1480         replacement functions.
1481
1482 2005-11-30  Kean Johnston  <jkj@sco.com>
1483
1484         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1485         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1486
1487 2005-11-30  Richard Guenther  <rguenther@suse.de>
1488
1489         PR tree-optimization/22501
1490         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1491         function split out from ...
1492         (forward_propagate_addr_expr): ... here.  Use it to propagate
1493         ADDR_EXPRs to all uses.
1494
1495 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1496
1497         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1498         * builtins.c (expand_builtin_mathfn): Use them.
1499         (expand_builtin_mathfn_2): Likewise.
1500         (expand_builtin_mathfn_3): Likewise.
1501         (expand_builtin_int_roundingfn): Likewise.
1502         (expand_builtin): Likewise.
1503         (integer_valued_real_p): Likewise.
1504         (fold_builtin_int_roundingfn): Likewise.
1505         (fold_builtin_bitop): Likewise.
1506         (fold_builtin_logarithm): Likewise.
1507         (fold_builtin_1): Likewise.
1508         * convert.c (convert_to_integer): Likewise.
1509         * fold-const.c (negate_mathfn_p): Likewise.
1510         (tree_expr_nonnegative_p): Likewise.
1511
1512 2005-11-30  Dale Johannesen  <dalej@apple.com>
1513             Andrew Pinski  <pinskia@physics.uc.edu>
1514
1515         * combine.c (find_split_point):  Sign extend bitmask
1516         when changing bitfield assignment to IOR of AND.
1517
1518 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1519
1520         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1521         clobber to scratch reg.
1522         (*decrement_and_branch_until_zero_no_clobber): Remove.
1523         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1524         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1525         * config/ms1/ms1.opt (mmul): Remove.
1526         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1527         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1528
1529 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1530             Bernd Schmidt  <bernd.schmidt@analog.com>
1531
1532         * pa/predicates.md (symbolic_operand): Add comment.
1533         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1534         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1535         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1536         (pa_secondary_reload_class): Delete.
1537         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1538         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1539         copy of symbolic operand.
1540         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1541
1542 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1543
1544         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1545         jump.
1546
1547 2005-11-30  Jeff Law  <law@redhat.com>
1548
1549         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1550         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1551
1552 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1553
1554         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1555         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1556         (ia64_expand_move): Adjust caller.
1557
1558         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1559         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1560         negate VAL.
1561
1562 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1563
1564         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1565         Always produce an output if we can remove NEGs or canonicalize
1566         (minus (minus ...)) expressions.  Provide a fast path for the
1567         two-operand case.
1568         (simplify_gen_binary): Do not call simplify_plus_minus.
1569         (simplify_binary_operation_1): Reassociate at the end of the
1570         function.
1571
1572 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1573
1574         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1575         moves and unpack to speed up.
1576
1577 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1578
1579         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1580         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1581         (gen_v9_scc): Update callers.
1582         * config/sparc/sparc.md: Likewise.
1583         * config/sparc/sparc-protos.h: Update extern declaration.
1584
1585         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1586
1587 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1588
1589         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1590         the if.
1591
1592 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1593
1594         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1595         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1596         (negate_expr): Here.
1597
1598 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1599
1600         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1601         Fix typo in comment.
1602
1603 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1604
1605         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1606         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1607
1608 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1609
1610         PR middle-end/20109
1611         PR middle-end/25120
1612         * builtins.c (init_target_chars): New.
1613         (expand_builtin_printf, expand_builtin_fprintf,
1614         expand_builtin_sprintf, fold_builtin_sprintf,
1615         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1616         fold_builtin_snprintf_chk, fold_builtin_printf,
1617         fold_builtin_fprintf): Check for matching format strings using
1618         the target charset.
1619
1620 2005-11-29  Paul Brook  <paul@codesourcery.com>
1621
1622         * config.gcc: Do not use fixproto on m68k-elf.
1623
1624 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1625
1626         * expmed.c (div_cost): Replace with...
1627         (sdiv_cost, udiv_cost): New.
1628         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1629         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1630         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1631         (expand_divmod): Replace use of div_cost with either sdiv_cost
1632         or udiv_cost depending upon the signedness of the operation.
1633
1634 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1635
1636         PR libfortran/24991
1637         * config/darwin.c (machopic_indirection_name,
1638         machopic_output_indirection): Follow transparent alias chain.
1639
1640 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1641
1642         * varasm.c (ultimate_transparent_alias_target): Add comment.
1643
1644 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1645
1646         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1647         SET_SRC instead of XEXP where appropriate.
1648
1649 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1650
1651         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1652         __builtin_expect.
1653
1654 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1655
1656         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1657         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1658         bit at a time.
1659
1660 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1661
1662         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1663         secondary_input_reload_class, made static.  Adapt to new
1664         infrastructure.
1665         (secondary_output_reload_class): Delete.
1666         (TARGET_SECONDARY_RELOAD): New macro.
1667         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1668         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1669
1670 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1671
1672         PR c++/21166
1673         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1674         when its natural alignment is > BITS_PER_UNIT.
1675         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1676         * c-common.c (handle_packed_attribute): Ignore packing on a field
1677         whose type is naturally char aligned.
1678
1679 2005-11-28  Richard Guenther  <rguenther@suse.de>
1680
1681         * c-common.c (strict_aliasing_warning): Handle all
1682         component-ref like accesses.
1683
1684 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1685             Uros Bizjak  <uros@kss-loka.si>
1686
1687         PR middle-end/20219
1688         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1689         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1690         when flag_unsafe_math_optimizations is set and
1691         we don't care about NaNs or Infinities.
1692
1693         Move x/expN(y) and x/pow(y,z) transformation into common
1694         flag_unsafe_math_optimizations section.
1695
1696 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1697
1698         * gcc.c (main): Change type of argv to "char **".
1699
1700 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1701
1702         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1703         small data sections.
1704         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1705         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1706         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1707         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1708         output locals to sbss if !rs6000_elf_in_small_data_p.
1709         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1710
1711 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1712
1713         PR target/24997
1714         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1715         generated by reload.
1716         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1717         indexed_or_indirect_address.
1718         (indexed_or_indirect_address): Don't test for base reg.  Call
1719         address_operand last.  Make it a special predicate.
1720
1721 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1722
1723         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1724
1725 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1726
1727         PR middle-end/24575
1728         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1729         is undefined.
1730         (negate_expr): Likewise.
1731
1732 2005-11-27  Andreas Schwab  <schwab@suse.de>
1733
1734         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1735         redundant parens.
1736
1737 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1738
1739         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1740         has EH predecessor edges.
1741
1742 2005-11-26  Eric Christopher  <echristo@apple.com>
1743
1744         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1745         register stalls by zero extending to the full register.
1746
1747 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1748
1749         * config/floatunsisf.c, config/floatunsidf.c,
1750         config/floatunsixf.c, config/floatunsitf.c: New files.
1751         * config/ia64/t-hpux: Add floatunsitf.c.
1752         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1753         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1754
1755 2005-11-26  Richard Henderson  <rth@redhat.com>
1756
1757         * c-lex.c (pragma_lex): Rename from c_lex.
1758         * c-pch.c: Update for pragma_lex rename.
1759         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1760         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1761         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1762         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1763         * doc/tm.texi: Likewise.
1764
1765 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1766
1767         PR middle-end/23669
1768         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1769         when overflow is undefined.
1770
1771 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1772
1773         * doc/md.texi (Insn Canonicalizations): Refer to the
1774         function commutative_operand_precedence for further rules.
1775
1776 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1777
1778         PR middle-end/21309
1779         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1780         is less than zero.  Limit mult_cost to a reasonable upper bound for
1781         the synthetic multiplication sequence.
1782
1783 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1784
1785         PR middle-end/25022
1786         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1787         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1788         Lookup the explicit replacement functions for any unlocked
1789         stdio builtin transformations.
1790
1791 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1792
1793         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1794         earlyclobber.
1795         * targhooks.c (default_secondary_reload): Don't require operand 2
1796         for an input reload to be earlyclobber.
1797
1798 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1799
1800         * fold-const.c (negate_mathfn_p): Fix comment and add support
1801         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1802         BUILT_IN_ATANH.
1803
1804 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1805
1806         PR middle-end/24998
1807         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1808         _Q_ulltoq for unsigned conversions from SImode and DImode to
1809         TFmode.
1810
1811 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1812
1813         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1814         (__floatundidf, __floatundisf): Likewise.
1815
1816 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1817
1818         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1819         (rs6000_override_options): Remove initialization of
1820         rs6000_sr_alias_set.
1821         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1822         (rs6000_emit_stack_tie): Same.
1823         (emit_frame_save): Same.
1824         (gen_frame_mem_offset): Same.
1825         (rs6000_emit_prologue): Same.
1826         (rs6000_emit_epilogue): Same.
1827
1828 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1829
1830         PR middle-end/24989
1831         * fold-const.c (fold_build): Convert bool_var != 1 and
1832         bool_var == 0 to !bool_var.
1833
1834 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1835
1836         PR middle-end/24990
1837         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1838         for C being INTEGER_CST.  Likewise for !=.
1839
1840 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1841
1842         PR middle-end/24998
1843         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1844         unsigned conversions from SImode to TFmode.
1845
1846 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1847
1848         * expr.c (expand_expr_real_1): Fix error in last change.
1849
1850 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1851
1852         * caller-save.c: (this_insn_sets): Move into:
1853         (save_call_clobbered_regs).
1854         (mark_set_regs): Get this_insn_sets from data.
1855
1856         (save_call_clobbered_regs): Take sets of the return value by
1857         sibcalls into account.
1858
1859 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1860         PR target/21623:
1861
1862         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1863         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1864         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1865         (memory_move_secondary_cost, init_reg_autoinc): Remove
1866         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1867         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1868         secondary_reload_class call.
1869         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1870         callers.
1871         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1872         (push_secondary_reload): Use secondary_reload target hook.
1873         (secondary_reload_class, scratch_reload_class): New functions.
1874         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1875         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1876         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1877         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1878         (secondary_reload_class, scratch_reload_class): Declare.
1879         * reload1.c: Include target.h.
1880         (reload_adjust_reg_for_temp): New function.
1881         (reload_adjust_reg_for_icode): Likewise.
1882         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1883         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1884         call.
1885         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1886         for inheritance.  Support case when both secondary & tertiary reloads
1887         are for intermediate registers.
1888         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1889         with secondary_reload_class call.  Support case when both secondary
1890         & tertiary reloads are for intermediate registers.
1891         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1892         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1893         * target.h (secondary_reload_info): New struct / typedef.
1894         (struct gcc_target): New member secondary_reload.
1895         * targhooks.c Include reload.h, optabs.h and recog.h.
1896         (default_secondary_reload): New function.
1897         * targhooks.h (default_secondary_reload): Declare.
1898         * doc/tm.texi: Document secondary_reload target hook.  Update
1899         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1900         * doc/md.texi: Likewise.
1901
1902         * sh-protos.h (sh_secondary_reload): Declare.
1903         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1904         (sh_secondary_reload): New function.
1905         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1906         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1907         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1908         (HAVE_SECONDARY_RELOADS): Define.
1909         * sh.md (reload_indf): Rename to:
1910         (reload_indf__frn).
1911         (reload_outdf): Rename to:
1912         (reload_outdf__RnFRm).
1913         (reload_insf): Rename to:
1914         (reload_insf__frn).
1915         (reload_insi): Rename to:
1916         (reload_insi__i_fpul).
1917
1918 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1919
1920         * configure.ac: Require at least texinfo 4.4.
1921         * configure: Regenerate.
1922
1923         * doc/install.texi (Tools/packages necessary for building GCC):
1924         Update required version of texinfo to at least 4.4.
1925         (Installing GCC: Building): Update required version of texinfo
1926         to at least 4.4.
1927         (Installing GCC: Final installation): Update required version
1928         of texi2dvi to at least 4.4.
1929         (Host/target specific installation notes for GCC): Update required
1930         version of texinfo to at least 4.4.
1931
1932 2005-11-24  Richard Guenther  <rguenther@suse.de>
1933         Dirk Mueller <dmueller@suse.de>
1934
1935         PR c++/14024
1936         * c-common.h (strict_aliasing_warning): Declare.
1937         * c-common.c (strict_aliasing_warning): New function,
1938         split out from ...
1939         * c-typeck.c (build_c_cast): ... here.
1940
1941 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1942
1943         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1944         to order operands.
1945         (swap_commutative_operands_with_target): New.
1946
1947 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1948
1949         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1950         also when doing PRE, rather than only for global CPROP.
1951
1952 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1953
1954         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1955         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1956         formatting.
1957         (expand_twoval_unop): Likewise.
1958         (widen_clz): Likewise.
1959         (expand_parity): Likewise.
1960         (expand_unop): Likewise.
1961         (emit_cmp_and_jmp_insn_1): Likewise.
1962         (prepare_float_lib_cmp): Likewise.
1963
1964 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1965
1966         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1967         Remove unused `class' variable.
1968
1969 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1970
1971         PR c++/21667
1972         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1973         C/C++ diagnostic function warn_array_subscript_with_type_char.
1974         * c-common.h (warn_array_subscript_with_type_char): Declare.
1975         * c-common.c (warn_array_subscript_with_type_char): Define.
1976
1977 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1978
1979         PR c/21668
1980         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1981         compiling at the intersection of C and C++.
1982
1983 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1984
1985         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1986         List @file in the option summary.  Include the libiberty
1987         documentation for @file.
1988         * gcc.c (main): Call expandargv.
1989         * Makefile.in (gcc-vers.texi): Define srcdir.
1990
1991 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1992
1993         * passes.c (init_optimization_passes): Document
1994         sequencing of passes.
1995
1996 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1997
1998         * config/m68k/predicates.md (pcrel_address, extend_operator,
1999         post_inc_operand, pre_dec_operand): Remove redundant
2000         conditionals.
2001         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2002         instead of abort.
2003         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2004
2005 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2006
2007         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2008
2009 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2010
2011         Preparatory work for PR target/21623:
2012         * alpha.c (secondary_reload_class): Rename to:
2013         (alpha_secondary_reload_class).
2014         * alpha.h, alpha-protos.h: Likewise.
2015         * mn10300.c (secondary_reload_class): Rename to:
2016         (mn10300_secondary_reload_class).
2017         * mn10300.h, mn10300-protos.h: Likewise.
2018         * pa.c (secondary_reload_class): Rename to:
2019         (pa_secondary_reload_class).
2020         * pa.h, pa-protos.h: Likewise.
2021         * rs6000.c (secondary_reload_class): Rename to:
2022         rs6000_secondary_reload_class.
2023         * rs6000.h, rs6000-protos.h: Likewise.
2024
2025 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2026
2027         PR middle-end/22561
2028         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2029
2030 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2031
2032         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2033         a mode_class.
2034         (prepare_cmp_insn): Likewise.
2035
2036 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2037
2038         PR target/23435
2039         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2040         if both operands[0] and operands[1] are memory.
2041
2042 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2043
2044         PR middle-end/23606
2045         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2046         COMPARISON_CLASS_P and an integral types create create a new
2047         expression with the new type and fold that.
2048
2049 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2050
2051         PR target/24988
2052         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2053         to SUBTARGET_OS_CPP_BUILTINS.
2054
2055 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2056
2057         * arm.c (emit_set_insn): New function.
2058         (arm_split_constant): Call it.
2059         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2060         (arm_legitimize_address): Likewise.  Use plus_constant.
2061         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2062         (thumb_expand_prologue): Likewise.
2063         (arm_gen_load_multiple): Use VOIDmode in SET.
2064         (arm_gen_store_multiple): Likewise.
2065         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2066         (emit_multi_reg_push): Likewise.
2067         (emit_sfm): Use plus_constant.
2068
2069 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2070
2071         PR target/24954
2072         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2073         typo last change.
2074
2075 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2076
2077         PR middle-end/24950
2078         * expmed.c (store_bit_field): Don't attempt to insv a field
2079         larger than the reg.
2080
2081 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2082
2083         PR target/24954
2084         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2085         explicit sign extension, not a (char) cast.
2086
2087 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2088
2089         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2090         GET_MODE_CLASS (x) == MODE_FLOAT.
2091         * config/i386/i386.c: Likewise.
2092         * config/rs6000/xcoff.h: Likewise.
2093         * config/rs6000/linux64.h: Likewise.
2094         * config/rs6000/rs6000.c: Likewise.
2095         * config/rs6000/rs6000.h: Likewise.
2096         * config/rs6000/predicates.md: Likewise.
2097         * config/rs6000/sysv4.h: Likewise.
2098
2099 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2100
2101         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2102         flag_pic is set.
2103
2104         * config/alpha/freebsd.h, config/alpha/linux.h,
2105         config/arm/linux-elf.h, config/bfin/bfin.h,
2106         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2107         config/i386/beos-elf.h, config/i386/gnu.h,
2108         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2109         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2110         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2111         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2112         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2113         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2114         config/sparc/linux.h, config/sparc/linux64.h,
2115         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2116
2117         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2118         are both defined when either flag -fpic or -fPIC are used.
2119
2120 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2121
2122         * config/fp-bit.c (clzusi): New function.
2123         (si_to_float, usi_to_float): Use it to compute proper shift.
2124         (usi_to_float): Preserve guard bits when shifting right.
2125         * libgcc-std.ver (GCC_4.2.0): New version.
2126         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2127         __floatundisf): New functions.
2128         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2129         __floatundisf): Declare.
2130         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2131         _floatundixf, and _floatunditf.
2132         * optabs.c (expand_float): If target does not define a pattern for
2133         signed or unsigned conversion, use an unsigned libcall instead of
2134         a signed one.
2135         (init_optabs): Initialize ufloat_optab.
2136
2137 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2138
2139         * config/rs6000/rs6000.opt (mmulhw): New option.
2140         * doc/invoke.texi (-mmulhw): Document.
2141         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2142         for 405 and 440.
2143         * config/rs6000/rs6000.md: Add half-word multiply and
2144         multiply-accumulate instructions for 405 and 440.
2145
2146 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2147
2148         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2149         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2150         default now includes a linker group which makes the RTEMS one nest.
2151
2152 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2153
2154         * cse.c (fold_rtx): Typo fix.
2155         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2156
2157 2005-11-21  Richard Henderson  <rth@redhat.com>
2158
2159         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2160         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2161
2162         * c-tree.h (lookup_name): Move declaration ...
2163         * c-common.h (lookup_name): ... here.
2164         * config/darwin-c.c: Include c-common.h.
2165         * config/t-darwin: Update dependencies.
2166
2167 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2168
2169         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2170         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2171         * genopinit.c (gen_insn): Likewise.
2172         * reload.c (find_equiv_reg): Likewise.
2173         * loop.c (load_mems): Likewise.
2174         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2175         * cse.c (find_comparison_args, fold_rtx): Likewise.
2176         * dwarf2out.c (add_const_value_attribute): Likewise.
2177         * expr.c (convert_move): Likewise.
2178         * recog.c (general_operand, register_operand): Likewise.
2179         * reg-stack.c (replace_reg): Likewise.
2180         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2181         * c-common.c (handle_vector_size_attribute): Likewise.
2182         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2183         (simplify_binary_operation_1): Likewise.
2184         (simplify_const_binary_operation): Likewise.
2185         (simplify_relational_operation): Likewise.
2186         (simplify_const_relational_operation): Likewise.
2187         (simplify_immed_subreg): Likewise.
2188         * emit-rtl.c (gen_lowpart_common): Likewise.
2189         * expmed.c (expand_mult): Likewise.
2190         * stor-layout.c (layout_type): Likewise.
2191
2192 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2193
2194         PR target/24951
2195         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2196         cst2 only for SPE vectors.
2197
2198 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2199
2200         PR target/24953
2201         * config/rs6000/predicates.md (vrsave_operation): Check
2202         UNSPEC_VOLATILE value.
2203
2204 2005-11-21  Jan Hubicka  <jh@suse.cz>
2205
2206         PR tree-optimization/24653
2207         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2208
2209 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2210
2211         * config/i386/predicates.md (ax_reg_operand): New predicate.
2212         (memory_displacement_only_operand): New predicate.
2213         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2214         operand is AX register and the other operand is memory operand
2215         with displacement only.
2216
2217 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2218
2219         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2220         if we don't care about NaNs or Infinities.
2221
2222 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2223
2224         PR rtl-optimization/24883
2225         * combine.c (combinable_i3pat): When checking whether the
2226         destination of i3 is used in i3, consider paradoxical subregs.
2227
2228 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2229
2230         PR middle-end/20583
2231         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2232
2233 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2234
2235         * combine.c (try_combine): Do not run subst on i1src and i2src in
2236         the case of generating a PARALLEL for a comparison.
2237
2238 2005-11-20  Richard Henderson  <rth@redhat.com>
2239
2240         PR 24931
2241         * tree-sra.c (struct sra_elt): Add all_no_warning.
2242         (struct sra_walk_fns) <use>: Add use_all argument.
2243         (sra_walk_expr): Pass it.
2244         (sra_walk_modify_expr): Likewise.
2245         (scalarize_ldst): Likewise.
2246         (scan_use): Update for new argument.
2247         (mark_no_warning): New.
2248         (scalarize_use): Use it.
2249
2250 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2251
2252         * expr.c (expand_expr_real): Use usmul_optab for widening
2253         signed * unsigned multiplies.
2254         * genopinit.c (optabs): Add usmul_widen_optab.
2255         * optabs.c (init_optabs): Likewise.
2256         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2257         (usmul_widen_optab): Define.
2258         * config/bfin/bfin.md (usmulhisi3): New pattern.
2259
2260         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2261
2262 2005-11-20  Graham Stott <btinternet.com>
2263
2264         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2265
2266 2005-11-20  Andreas Schwab  <schwab@suse.de>
2267
2268         PR target/24757
2269         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2270         insn.
2271
2272 2005-11-19  Richard Henderson  <rth@redhat.com>
2273
2274         PR tree-opt/24665
2275         * tree-gimple.c (is_gimple_id): Export.
2276         * tree-gimple.h (is_gimple_id): Declare.
2277         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2278         (get_default_value): Use it.
2279         (maybe_fold_stmt_indirect): Likewise.
2280
2281 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2282
2283         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2284         than VR1 or vice-versa.
2285
2286 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2287
2288         PR middle-end/24912
2289         PR middle-end/24750
2290         * reload.c (find_reloads_address_1): Mention dependency on
2291         gen_reload.
2292         * reload1.c (gen_reload): For IN with an unary operation, try
2293         moving inner expression to OUT if trivial SET is not valid.
2294         Confirm that the result is valid.  Move common code block into...
2295         (emit_insn_if_valid_for_reload): New function.
2296
2297 2005-11-19  Richard Guenther  <rguenther@suse.de>
2298
2299         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2300         ARRAY_REFs of constant strings.
2301
2302 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2303
2304         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2305         fatal format string.
2306
2307 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2308
2309         * combine.c (make_compound_operation): Swap operands of
2310         commutative operation if necessary before returning.
2311
2312 2005-11-19  Richard Guenther  <rguenther@suse.de>
2313
2314         PR middle-end/23294
2315         * fold-const.c (fold_plusminus_mult_expr): New function.
2316         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2317         cases, remove now unnecessary code.
2318
2319 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2320
2321         * gensupport.c (old_preds): Rename to std_preds, add special field.
2322         (struct old_pred_table): Rename to struct std_pred_table, add special
2323         field.
2324         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2325         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2326         (init_predicate_table): Adjust, and set along the way whether a
2327         predicate is special.
2328
2329 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2330
2331         * BASE-VER: Change to 4.2.0.
2332
2333 2005-11-18  James E Wilson  <wilson@specifix.com>
2334
2335         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2336         returning it.
2337
2338 2005-11-18  Mike Stump  <mrs@apple.com>
2339
2340         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2341         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2342         * c-decl.c (lookup_name_two) Remove.
2343         * c-tree.h (lookup_name_two): Remove.
2344         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2345         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2346         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2347         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2348
2349 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2350
2351         PR target/24914
2352         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2353         when not generating code to use that co-processor.
2354
2355 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2356
2357         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2358         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2359         these functions are now in tree-phinodes.c.
2360
2361 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2362
2363         * config/bfin/bfin.md (trap): New pattern.
2364
2365 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2366
2367         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2368         on types.
2369
2370         * expr.c (expand_expr_real): Don't call record_block_change unless
2371         ib_boundaries_block is non-null
2372
2373         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2374
2375         * fold-const.c (build_range_check): Use proper type for subtraction
2376         when merging lower bound.
2377
2378 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2379
2380         PR rtl-optimization/24497
2381         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2382         the copied insn.
2383
2384 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2385
2386         * tree-scalar-evolution.c (expression_expensive_p): New function.
2387         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2388
2389 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2390
2391         * config/bfin/crtlibid.s: New file.
2392
2393 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2394
2395         PR target/24348
2396         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2397         when not using sjlj exceptions.
2398         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2399         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2400         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2401         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2402         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2403         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2404         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2405         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2406         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2407         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2408         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2409         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2410         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2411         defines.
2412         * config/pa/hpux-unwind.h: New file.
2413
2414 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2415
2416         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2417         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2418         * varasm.c (do_assemble_alias): Adjust call.
2419         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2420         is defined.
2421         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2422
2423 2005-11-17  James E Wilson  <wilson@specifix.com>
2424
2425         * tree.def (FUNCTION_DECL): Correct typo in comment.
2426
2427 2005-11-17  Richard Henderson  <rth@redhat.com>
2428
2429         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2430         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2431         and DW_CFA_def_cfa_sf.
2432         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2433         (dbx_reg_number): Don't assert particular registers here.
2434         (based_loc_descr): ... do it here instead.  Fold in ...
2435         (eliminate_reg_to_offset): ... this function.
2436         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2437         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2438         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2439         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2440         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2441         (instantiate_virtual_regs): Likewise.
2442         * var-tracking.c (adjust_stack_reference): Likewise.
2443         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2444
2445 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2446
2447         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2448         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2449         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2450         crtlibid.o.
2451         ($(T)crtlibid.o): New rule.
2452
2453 2005-11-16  Richard Guenther  <rguenther@suse.de>
2454
2455         PR middle-end/24851
2456         * fold-const.c (extract_array_ref): Return byte offset
2457         in all cases.
2458         (fold_binary): Fold &x[a] CMP &x[b] to
2459         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2460         behavior.
2461
2462 2005-11-16  Richard Henderson  <rth@redhat.com>
2463
2464         PR middle-end/23497
2465         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2466         parts of an SSA_NAME.
2467
2468 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2469
2470         PR target/24861
2471         * arm.md (split for movsf with immediate): Restrict split to insns
2472         that set a general register.
2473
2474 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2475
2476         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2477         uw_update_context.
2478         * unwind-dw2.c (uw_advance_context): Likewise.
2479         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2480         _Unwind_SjLj_Unregister.
2481         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2482
2483 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2484
2485         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2486
2487 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2488
2489         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2490         langhook to get a DImode integer type.
2491
2492 2005-11-16  Richard Henderson  <rth@redhat.com>
2493             J"orn Rennecke <joern.rennecke@st.com>
2494             Ulrich Weigand  <uweigand@de.ibm.com>
2495
2496         PR rtl-opt/24160
2497         PR target/24621
2498         * reload1.c (reg_equiv_invariant): New.
2499         (reload): Allocate, initialize, and free it.
2500         (calculate_needs_all_insns): Check it when skipping equivalence
2501         setting insns.
2502         (alter_reg): Likewise.
2503         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2504         may_use_invariant argument; only use reg_equiv_invariant when true.
2505         (eliminate_regs): New.
2506         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2507         a context for which may_use_invariant may be true.
2508
2509 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2510
2511         * fold-const.c (const_binop): Don't constant fold the operation
2512         if the result has overflowed and flag_trapping_math.
2513         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2514
2515 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2516
2517         * config/arm/unwind-arm.c (abort): Add prototype here.
2518         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2519         (struct phase1_vrs): Add prev_sp.
2520         (unwind_phase2_forced): Save the original core registers instead of
2521         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2522         and set action flags accordingly.  Always set _US_END_OF_STACK when
2523         get_eit_entry fails.  Unwind before calling the stop function.
2524         (_Unwind_GetCFA): New function.
2525         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2526         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2527         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2528         just call unwind_phase2_forced.
2529         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2530         * config/arm/unwind-arm.h (abort): Remove prototype.
2531         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2532         prototypes.
2533         (_Unwind_GetCFA): New prototype.
2534         * config/arm/pr-support.c (abort): Add prototype here.
2535         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2536         forced unwinding.
2537         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2538         not schedule the prologue with non-call exceptions and EABI.
2539
2540 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2541
2542         * config/arm/unwind-arm.h: Reorder interface function declarations.
2543         (_URC_END_OF_STACK): New enumeration value.
2544         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2545         (struct _Unwind_Control_Block): Document reserved field use.
2546         (_Unwind_Stop_Fn): New typedef.
2547         (_Unwind_ForcedUnwind): Declare.
2548         (_Unwind_Resume_or_Rethrow): Declare.
2549         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2550         argument.  Adjust.
2551         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2552         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2553         (UCB_FORCED_STOP_ARG): New.
2554         (search_EIT_table): Update boundary condition checks.
2555         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2556         (unwind_phase2): Replace for with do..while.
2557         (unwind_phase2_forced): New.
2558         (__gnu_Unwind_RaiseException): Replace for with do..while.
2559         (__gnu_Unwind_ForcedUnwind): New.
2560         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2561         Use appropriate phase2 unwinder.
2562         (__gnu_Unwind_Resume_or_Rethrow): New.
2563         (__gnu_unwind_pr_common): Cope with forced unwinding.
2564
2565 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2566
2567         PR target/24772
2568         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2569
2570         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2571         roundsf2): Remove "s" from mnemonic.
2572
2573 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2574
2575         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2576         __PIC__ is defined.
2577         * config/bfin/crtn.s: Change epilogues to match.
2578         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2579         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2580         __PIC__ and __pic__.
2581
2582 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2583
2584         PR 24357
2585         * doc/invoke.texi: Distinguish between free and fixed form instead of
2586         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2587         languages.
2588         * gcc.c (default_compilers): Remove double entries, add entries for
2589         suffixes '.F90' and '.F95'.
2590
2591 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2592
2593         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2594         in the stack probing loop.
2595
2596 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2597
2598         * configure.ac: Use .machine power5 not power5x.
2599         * configure: Regenerate.
2600
2601 2005-11-15  Mike Stump  <mrs@apple.com>
2602
2603         * c-decl.c (lookup_name_two): Add.
2604         * c-tree.h (lookup_name_two): Likewise.
2605         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2606         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2607
2608 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2609
2610         PR rtl-optimization/23392
2611         * regrename.c (enum scan_actions) Add mark_access.
2612         (scan_actions_name): Ditto.
2613         (scan_rtx_reg): Handle mark_access.
2614         (scan_rtx_address): Do nothing for mark_access.
2615         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2616         and regs in REG_INC notes before closing chains for dead regs.
2617         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2618         opening chains for new writes.
2619
2620 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2621
2622         * c.opt (ffixed-line-length-none): New.
2623
2624 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2625
2626         * mklibgcc.in: Change contents of eh_dummy.c.
2627
2628 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2629
2630         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2631
2632 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2633
2634         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2635         of making syscalls.
2636         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2637
2638 2005-11-15  Jan Hubicka  <jh@suse.cz>
2639
2640         * invoke.texi (large-unit-insns): Document.
2641         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2642         * params.def (large-unit-insns): New param.
2643
2644 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2645
2646         PR target/24869
2647         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2648         special register for operand 3.  Reindent constraints to align
2649         them vertically.
2650
2651 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2652
2653         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2654         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2655         * configure.ac: Add test for FP rounding instructions.
2656         * configure: Regenerate.
2657         * config.in: Regenerate.
2658         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2659         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2660         features enabled.
2661         * config/rs6000/rs6000.opt (mfprnd): New.
2662         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2663         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2664         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2665         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2666         (TARGET_FPRND): New.
2667         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2668         UNSPEC_FRIZ): New.
2669         (btrunc<mode>2): New.
2670         (ceil<mode>2): New.
2671         (floor<mode>2): New.
2672         (round<mode>2): New.
2673
2674 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2675
2676         * gcc.c (version_compare_spec_function): Use fatal() rather than
2677         abort().
2678
2679         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2680         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2681         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2682         as empty.
2683         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2684         link in crt2.o.
2685
2686         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2687         on -mmacosx-version-min setting.
2688
2689 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2690
2691         PR 24840
2692         * tree-vrp.c (infer_value_range): Return false if STMT is a
2693         block terminator and its basic block has no successors.
2694
2695 2005-11-14  Mike Stump  <mrs@apple.com>
2696
2697         * config/i386/i386.c (override_options): -masm=intel isn't
2698         supported on darwin.
2699         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2700
2701 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2702
2703         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2704         vfork after including auto-host.h.
2705
2706 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2707
2708         PR rtl-optimization/22002
2709         * combine.c (distribute_notes): Detect cases where a reg dies
2710         two or more times in a bb, including on the insn we are combining,
2711         and place the death note on the correct range.
2712
2713 2005-11-14  Dale Johannesen  <dalej@apple.com>
2714
2715         * expmed.c (store_bit_field):  Add offset unconditionally for
2716         memory targets.
2717         (extract_bit_field):  Don't force extzv or extv operand into
2718         a register if field is too big.
2719
2720 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2721
2722         * config/arm/arm.c (pic_labelno): New.
2723         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2724         LABEL_REF.  Pass only the labelno to PIC insns.
2725         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2726         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2727         * arm.md (UNSPEC_PIC_LABEL): New constant.
2728         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2729         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2730         Use the correct label prefix.
2731
2732 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2733
2734         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2735         REQ_EQUIV note.
2736
2737 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2738
2739         * loop-invariant.c: Include tm_p.h.
2740         * Makefile.in: Updated.
2741
2742 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2743
2744         * pa.c (store_reg): Revise generation of frame notes in large frames.
2745         (set_reg_plus_d): Likewise.
2746
2747 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2748
2749         PR tree-optimization/24709
2750         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2751         loop check.
2752
2753 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2754
2755         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2756         and duplicate declaration of pthread_self.
2757
2758 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2759             Ian Lance Taylor  <ian@airs.com>
2760
2761         PR middle-end/24003
2762         * calls.c (expand_call): If TARGET is a MEM and some part of the
2763         argument area has been saved, force TARGET to a register.
2764
2765 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2766
2767         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2768         checking.
2769
2770 2005-11-13  Jason Merrill  <jason@redhat.com>
2771
2772         PR c++/22489
2773         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2774         lazily declared methods.
2775         (force_decl_die): Stop if forcing out the context already make a
2776         DIE for the decl.
2777         (force_type_die): Likewise.
2778
2779 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2780
2781         PR middle-end/24820
2782         * builtins.c (integer_valued_real_p): Add break in
2783         REAL_CST having TREE_OVERFLOW set.
2784
2785 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2786
2787         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2788         addressing modes during calculation of costs.
2789
2790 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2791
2792         * function.c (assign_stack_local_1): Restrict sanity check
2793         on frame size overflow to 32-bit and above platforms.
2794
2795 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2796
2797         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2798         * config/cris/cris.c: Include reload.h.
2799         (cris_initial_elimination_offset): New function.
2800         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2801         Prototype.
2802
2803 2005-11-12  Richard Guenther  <rguenther@suse.de>
2804
2805         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2806
2807 2005-11-12  Jan Hubicka  <jh@suse.cz>
2808
2809         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2810         to compare against 0 when possible.
2811
2812 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2813
2814         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2815         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2816         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2817         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2818         in the new order.
2819
2820 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2821
2822         * recog.c (constrain_operands) <case 'g'>: For a match, require
2823         that a non-register matches general_operand when strict >= 0.
2824
2825 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2826
2827         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2828         previous checkin.
2829
2830 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2831
2832         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2833         (memory_address_same): New.
2834         (dse_optimize_stmt): Call memory_address_same.
2835
2836 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2837
2838         PR middle-end/24750
2839         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2840         ZERO_EXTEND>: New cases.
2841
2842 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2843
2844         * longlong.h (__clz_tab): Always provide.
2845
2846 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2847
2848         PR 24265
2849         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2850         can be assigned to.
2851         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2852         before check_maybe_invariant.
2853         (move_invariant_reg): Use gen_move_insn instead of replacing
2854         SET_DEST with the temporary for the invariant.
2855         (move_loop_invariants): If checking is enabled, do internal
2856         consistency checks after completing the pass.
2857
2858 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2859
2860         PR 24644
2861         * common.opt (Wvolatile-register-var): New.
2862         * varasm.c (make_decl_rtl): Only emit warning when option
2863         specified.  Clarify warning message.
2864         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2865
2866         * doc/md.texi (copysign): Document standard named pattern.
2867
2868 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2869
2870         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2871         bytes when align is 2.
2872         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2873         by the first instruction of the loop.
2874
2875 2005-11-11  Jason Merrill  <jason@redhat.com>
2876
2877         PR c++/24686
2878         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2879         the cleanup list.
2880
2881 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2882
2883         PR rtl-optimization/22509
2884         * local-alloc.c (memref_used_between_p): Check whether a function call
2885         could not reference the memref.
2886
2887 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2888
2889         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2890         algorithm so as to choose the best, not the worst, alternative.
2891         Reset accumulated register class before processing next alternative.
2892
2893 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2894
2895         PR target/24445
2896         * calls.c (expand_call): Copy a return value to a plain register
2897         if needed.
2898
2899 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2900
2901         PR target/24778
2902         * varasm.c (assemble_name): Recompute name only for transparent
2903         aliases.
2904
2905 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2906
2907         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2908
2909 2005-11-04  Jeff Law  <law@redhat.com>
2910
2911         PR middle-end/23181
2912         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2913         perform reassociation if the parent statement will not die as
2914         a result of the optimization.
2915
2916 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2917
2918         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2919         delete_old_heap_vars.
2920         * tree-dfa.c (referenced_var_remove): Remove function.
2921         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2922         (delete_tree_ssa): Remove call to delete_old_heapvars.
2923         Add call to delete_alias_heapvars.
2924         * tree-flow.h (referenced_var_remove): Remove prototype
2925         (init_alias_heapvars): New prototype.
2926         (delete_alias_heapvars): Ditto.
2927         * Makefile.in (tree-ssa-structalias.o): Add
2928         gt-tree-ssa-structalias.o
2929         (GTFILES): Add tree-ssa-structalias.h and
2930         tree-ssa-structalias.c.
2931         (s-gtype): Add gt-tree-ssa-structalias.h.
2932         * tree-ssa-structalias.c (heapvars): Remove.
2933         (oldheapvars): Remove.
2934         (heapvar_for_stmt): New variable.
2935         (heapvar_lookup): New function.
2936         (heapvar_insert): Ditto.
2937         (get_constraint_for): See if we have an old heapvar
2938         to reuse.
2939         (init_alias_heapvars): New function.
2940         (delete_alias_heapvars): Ditto.
2941         Add include of gt-tree-ssa-structalias.h.
2942
2943 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2944
2945         PR middle-end/22127
2946         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2947
2948 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2949
2950         * tree.c (int_fits_type_p): Only look at the base type
2951         if it has the same precision as the original type.
2952
2953 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2954
2955         PR other/4372
2956         * varasm.c (assemble_alias): Use %q+D in the error
2957         message instead of %J and %qD.
2958
2959 2005-11-10  Richard Guenther  <rguenther@suse.de>
2960
2961         * gcse.c (free_ldst_entry): Only free hashtable if
2962         it exists.
2963
2964 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2965
2966         * function.c (assign_stack_local_1): Issue an error message if
2967         the frame size overflows in the signed target arithmetics.
2968
2969 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2970
2971         * tree.c (build_qualified_type): Chain the new type to the original
2972         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2973         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2974         (build_pointer_type_for_mode): Only return unqualified types.
2975         (build_reference_type_for_mode): Likewise.
2976
2977 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2978
2979         * Makefile.in (gnucompare): Do comparison of all files using one of
2980         the chosen methods and only afterwards decide if just warning should
2981         be issued or comparison failure raised.
2982
2983 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2984
2985         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2986         (noce_try_abs): Negate if the comparison is reversed.
2987         Look only one instruction backwards for a REG_EQUAL note.
2988
2989 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2990
2991         PR other/4372
2992         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2993         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2994         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2995         and prefix all uses with __ghtrw.
2996
2997 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2998
2999         PR other/4372
3000         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3001         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3002         * c-common.c (handle_weakref_attribute): New.
3003         (c_common_attribute_table): Add weakref.
3004         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3005         in the assembler.
3006         * configure, config.in: Rebuilt.
3007         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3008         * doc/extend.texi: Document weakref attribute.
3009         * varasm.c (ultimate_transparent_alias_target): New
3010         (assemble_name): Use it.
3011         (weak_finish_1): Split out of...
3012         (weak_finish): ... and deal with weakrefs in...
3013         (weakref_targets): ... new list.
3014         (globalize_decl): Clean up weakref_targets.
3015         (do_assemble_alias): Handle weakrefs.
3016         (finish_aliases_1): Do not reject weakrefs to external symbols.
3017         (assemble_alias): Handle weakrefs.
3018
3019 2005-11-09  Richard Guenther  <rguenther@suse.de>
3020
3021         PR tree-optimization/24716
3022         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3023         t_bool to track results from follow_ssa_edge.
3024
3025 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3026
3027         * final.c (force_source_line): New global variable.
3028         (final_scan_insn): Set it to true instead of clearing last_filename.
3029         (notice_source_line): Return true if force_source_line is true,
3030         unless source info is absent.
3031
3032 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3033
3034         PR c/24644
3035         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3036         a linkage name for a variable if it a register variable.
3037         * c-decl.c (grokdeclarator): Global register variables
3038         should be set as PUBLIC.
3039
3040 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3041
3042         PR 24624
3043         * config/s390/s390.c (struct s390_frame_layout): New fields
3044         first_save_gpr_slot and last_save_gpr_slot.
3045         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3046         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3047         first_save_gpr and last_save_gpr with the _slot variants.
3048         (s390_register_info): Calculate first_save_gpr_slot and
3049         last_save_gpr_slot using regs_ever_live.
3050
3051 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3052
3053         PR 24623
3054         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3055         for a function containing a landing pad.
3056
3057 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3058
3059         PR 24034
3060         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3061         is live afterwards.
3062
3063 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3064
3065         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3066         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3067
3068 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3069
3070         Add ms2 support
3071         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3072         constants.
3073         (call,load,store): New insn types.
3074         (mem_access, branch_access): Adjust reservation conditions.
3075         (define_delay): Adjust condition.
3076         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3077         type.
3078         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3079         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3080         insn type.
3081         (call_internal, call_value_internal, return_internal,
3082         return_interrupt_internal, eh_return_internal, indirect_jump,
3083         tablejump): Set call insn type.
3084         (blockage, ei, di): Use appropriate unspec const.
3085         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3086         (ms1_get_attr_type): Adjust to give load & store types.
3087         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3088         backwards past a barrier.
3089         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3090         branch scheduling.
3091         (struct branch_info, struct label_info): New.
3092         (ms1_labels): New.
3093         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3094         (ms1_machine_reorg): New.
3095         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3096         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3097         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3098         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3099         (TARGET_MS2): New.
3100
3101 2005-11-09  Per Bothner  <per@bothner.com>
3102             Uros Bizjak  <uros@kss-loka.si>
3103
3104         PR c/24101
3105         * toplev.c (process_options): Initialize debug_hooks early
3106         in case lang_hooks.post_options ends up calling a debug_hook.
3107
3108 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3109
3110         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3111         DBX_REGISTER_NUMBER being contiguous.
3112
3113 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3114             Diego Novillo  <dnovillo@redhat.com>
3115
3116         PR 23046
3117         * tree-vrp.c (register_edge_assert_for): Do not register
3118         always-false predicates.
3119
3120 2005-11-08  Devang Patel <dpatel@apple.com>
3121
3122         PR tree-optimization/23115
3123         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3124         relation.
3125
3126 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3127
3128         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3129         -mcpu=440.
3130
3131 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3132
3133         Fix PR tree-optimization/23382
3134
3135         * tree-ssa-alias.c (compute_may_aliases): Call
3136         delete_old_heap_vars.
3137         * tree-dfa.c (referenced_var_remove): New function.
3138         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3139         * tree-flow.h (referenced_var_remove): Add prototype.
3140         (delete_old_heap_vars): Ditto.
3141         * tree-ssa-structalias.c (heapvars): New variable.
3142         (oldheapvars): Ditto.
3143         (get_constraint_for): Put heap vars on heapvars list.
3144         (delete_old_heap_vars): New function.
3145
3146 2005-11-08  Jason Merrill  <jason@redhat.com>
3147
3148         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3149
3150 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3151
3152         PR target/19340
3153         * reg-stack.c (reg_to_stack): Update register liveness also
3154         for flag_sched2_use_traces.
3155
3156 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3157
3158         PR target/23704
3159         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3160         override prior explicit -mno-powerpc-gfxopt.
3161
3162 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3163
3164         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3165         if the bitsize is zero.
3166         * doc/md.texi (Standard Pattern Names): Document it.
3167
3168         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3169         (TARGET_PASS_BY_REFERENCE): Likewise.
3170
3171 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3172
3173         PR rtl-optimization/24683
3174         * config/i386/i386.c (legitimize_pic_address): If constant operand
3175         to PLUS is too large, put it in a register.
3176
3177 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3178
3179         * configure.ac: Enable checking assembler dwarf2 support for bfin
3180         target.
3181         * configure: Regenerate.
3182
3183 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3184
3185         PR target/24230
3186
3187         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3188         gen_easy_vector_constant_add_self): Delete.
3189         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3190         New.
3191         (output_vec_const_move): Use gen_easy_altivec_constant.
3192         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3193         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3194         (easy_vector_constant_add_self): Rewritten.
3195         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3196         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3197         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3198         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3199         Macroize and adjust for the other changes.
3200
3201 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3202
3203         PR c/24599
3204
3205         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3206         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3207
3208 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3209
3210         PR rtl-optimization/23567
3211         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3212         (noce_process_if_block): Don't do any optimizations except
3213         if (cond) x = x; if !set_b and write into orig_x may trap
3214         or fault.  Remove the MEM_READONLY_P check.
3215
3216 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3217
3218         PR 24670
3219         * tree-vrp.c (fix_equivalence_set): New.
3220         (extract_range_from_assert): Call it.
3221
3222 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3223
3224         PR target/22432
3225         * combine.c (apply_distributive_law): Don't distribute across a
3226         vector mode subreg.
3227
3228 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3229
3230         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3231         config/ms1/ms1.h, config/rs6000/predicates.md,
3232         config/s390/s390.c, params.def, postreload-gcse.c,
3233         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3234         tree-vrp.c, tree.c: Fix comment typos.
3235         * doc/invoke.texi: Fix typos.
3236
3237 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3238
3239         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3240         for testing whether the data_dependence_relation contains distance
3241         vectors.  Iterate over all distance vectors of the ddr.
3242         * lambda.h: Define a vec of lambda_vector pointers.
3243         * tree-data-ref.c (dump_data_dependence_relation,
3244         dump_data_dependence_direction): Iterate over all distance and
3245         direction vectors of the ddr.
3246         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3247         DDR_DIST_VECTS.
3248         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3249         of distance/direction vectors instead of a single one.
3250         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3251         lambda_vectors with a vec of lambda_vectors.
3252         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3253         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3254         DDR_NUM_DIST_VECTS): New.
3255         * tree-loop-linear.c (gather_interchange_stats): Test for the
3256         existence of distance vectors only after having checked that there
3257         is a dependence.  Iterate over all distance vectors of the ddr.
3258         (linear_transform_loops): Use dump_data_dependence_relation.
3259         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3260         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3261         distance vectors of the ddr.
3262
3263 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3264
3265         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3266         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3267         IS_INTHANDLER; all callers changed.
3268         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3269         account.
3270         (do_link, do_unlink): New argument ALL; all callers changed.
3271         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3272         If function isn't leaf, save and restore all registers.
3273         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3274         exception handler.
3275
3276 2005-11-05  Jan Hubicka  <jh@suse.cz>
3277
3278         PR rtl-optimization/23490
3279         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3280         max-flow-memory-location): Document.
3281         * flow.c: Include params.h
3282         (MAX_MEM_SET_LIST_LEN): Kill.
3283         (add_to_mem_set_list): Use new param.
3284         * cse.c (cse_basic_block): Replace 1000 by new param.
3285         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3286         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3287         * predict.c (predict_loops): Use new param.
3288         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3289
3290         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3291         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3292         Do not hold memory returned by cgraph_node_name across other call.
3293
3294 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3295
3296         PR target/23424
3297         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3298         Disable.
3299
3300 2005-11-04  Jeff Law  <law@redhat.com>
3301
3302         PR/21883
3303         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3304         * tree-ssa-dom.c: Include params.h.
3305         (thread_across_edge): If there are too many statements in the
3306         target block, then do not thread through it.
3307         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3308         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3309
3310 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3311
3312         PR 24627
3313         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3314         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3315
3316 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3317
3318         PR/18595
3319         * tree-scalar-evolution.c (instantiate_parameters_1,
3320         instantiate_parameters, resolve_mixers): Compute the size of an
3321         expression to be instantiated and give up the instantiation if the
3322         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3323
3324 2005-11-04  Richard Guenther  <rguenther@suse.de>
3325
3326         * tree-flow.h (ref_contains_indirect_ref): Rename to
3327         array_ref_contains_indirect_ref.
3328         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3329         (array_ref_contains_indirect_ref): Make comment match the code
3330         and vice-versa.
3331         (ref_contains_array_ref): Likewise.
3332         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3333         ref_contains_indirect_ref.
3334         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3335         Rename calls to ref_contains_indirect_ref.
3336
3337 2005-11-04 Paul Brook  <paul@codesourcery.com>
3338
3339         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3340         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3341         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3342         * config/arm/arm.md: Use match_operand in peephole input templates
3343         and match_dup in peephole output templates.
3344
3345 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3346
3347         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3348         __aeabi_uidiv.
3349
3350 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3351             Daniel Jacobowitz  <dan@codesourcery.com>
3352
3353         * longlong.h (add_ssaaaa): Clobber condition code register
3354         in ARM version.
3355         (sub_ddmmss): Likewise.
3356         (umul_ppmm): Likewise.
3357
3358 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3359             Paul Brook  <paul@codesourcery.com>
3360             Phil Blundell  <pb@reciva.com>
3361
3362         * configure.ac: Add test for ARM TLS support.
3363         * configure: Regenerated.
3364         * config/arm/arm-protos.h (legitimize_tls_address)
3365         (arm_tls_referenced_p, tls_mentioned_p)
3366         (arm_output_addr_const_extra): New prototypes.
3367         (thumb_legitimize_pic_address): Delete.
3368         * config/arm/arm.c: Include "gt-arm.h".
3369         (enum tls_reloc): New.
3370         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3371         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3372         (arm_call_tls_get_addr, legitimize_tls_address)
3373         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3374         (arm_init_tls_builtins, arm_emit_tls_decoration)
3375         (arm_output_addr_const_extra): New functions.
3376         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3377         (TARGET_HAVE_TLS): Define.
3378         (target_thread_pointer): New.
3379         (arm_override_options): Handle -mtp=.
3380         (legitimize_pic_address): Ignore UNSPECs.
3381         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3382         relative symbols.
3383         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3384         (tls_get_addr_libfunc): New variable.
3385         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3386         (arm_init_builtins): Call arm_init_tls_builtins.
3387         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3388         (arm_encode_section_info): Call default_encode_section_info.
3389         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3390         (enum arm_tp_type): New.
3391         (target_thread_pointer): Add declaration.
3392         (LEGITIMATE_CONSTANT_P): Handle TLS.
3393         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3394         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3395         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3396         * config/arm/arm.md: Add UNSPEC_TLS.
3397         (movsi): Handle TLS.
3398         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3399         non-PIC.
3400         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3401         (load_tp_hard, load_tp_soft): New insns.
3402         * arm.opt: Add -mtp=.
3403         * doc/invoke.texi (ARM Options): Document -mtp.
3404
3405 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3406
3407         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3408         * config/arm/libunwind.S: Include "lib1funcs.asm".
3409         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3410         (LIB2ADDEH): Add libunwind.S.
3411         (LIB2ADDEHDEP): Add lib1funcs.asm.
3412         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3413
3414 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3415
3416         PR fortran/18452
3417         * gcc/c.opt: Add a -lang-fortran option.
3418         * gcc/c-opts.c: Add a lang_fortran flag.
3419         (c_common_init_options): Handling the -lang-fortran option.
3420         (c_common_handle_option): Add a case for Fortran options in
3421         preprocessing. Remove cases for -ffixed-form and
3422         -ffixed-line-length. Add a case for -lang-fortran.
3423
3424 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3425
3426         * config/rs6000/rs6000.c: Include params.h
3427         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3428         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3429         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3430         (UNSPEC_VPKUWSS): Delete.
3431         (altivec_vpkuhss): Delete.
3432         (altivec_vpkuwss): Delete.
3433         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3434         final condition.
3435         (neg_eq0<mode>): Remove final condition.
3436         (neg_eq<mode>): Remove condition and split-condition.
3437
3438 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3439
3440         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3441         Use associated print macros.
3442
3443 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3444
3445         PR c++/17964
3446         * diagnostic.c (diagnostic_set_info_translated): New function.
3447         (diagnostic_set_info): Use it.  Add comment.
3448         * diagnostic.h (diagnostic_set_info_translated): Declare.
3449
3450 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3451
3452         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3453         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3454         reference only if 'public' is true.
3455         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3456         emit the .hidden directive only if the indirect reference is public.
3457         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3458         Pass it to dw2_force_const_mem.
3459         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3460         * dwarf2out.c (output_cfi): Adjust calls to above function.
3461         (output_call_frame_info): Likewise.
3462         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3463         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3464
3465 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3466
3467         PR tree-optimization/24483
3468         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3469         field to elts if possible.
3470
3471 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3472
3473         PR middle-end/23155
3474         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3475         CONSTRUCTOR.
3476
3477 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3478
3479         Fix PR tree-optimization/24351
3480
3481         * tree-ssa-structalias.c (struct variable_info): Add
3482         collapsed_into.
3483         (get_varinfo_fc): New function to follow collapsing.
3484         (new_var_info): Set collapsed_to to NULL.
3485         (dump_constraint): Follow collapsing.
3486         (build_constraint_graph): Handle collapsing.
3487         (do_simple_structure_copy): Return false if something bad
3488         happened.
3489         (collapse_rest_of_var): New function.
3490         (do_structure_copy): Collapse if do_simple_structure_copy returns
3491         false.
3492
3493 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3494
3495         PR middle-end/24589
3496         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3497         expressions to a statement list instead of gimplifying them.
3498
3499 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3500
3501         PR rtl-optimization/23585
3502         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3503         that can't trap plus a constant integer, if the mode has zero size.
3504
3505 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3506
3507         PR target/24620
3508         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3509         as operand 2.
3510         ("*insv<mode>_reg_extimm"): Likewise.
3511
3512 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3513
3514         PR c/24329
3515         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3516         c_common_type_for_mode returns an unnamed type.
3517
3518 2005-11-02  Richard Henderson  <rth@redhat.com>
3519
3520         PR target/9350
3521         PR target/24374
3522         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3523         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3524         * function.c (assign_parms): Use calls.internal_arg_pointer.
3525         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3526         code.
3527         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3528         (TARGET_CALLS): Add it.
3529         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3530         * targhooks.c (default_internal_arg_pointer): New.
3531         * targhooks.h (default_internal_arg_pointer): Declare.
3532         * tree.h (dwarf2out_reg_save_reg): Declare.
3533         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3534         * config/i386/i386.c (dbx_register_map): Add return column.
3535         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3536         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3537         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3538         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3539         (ix86_save_reg): Save force_align_arg_pointer.
3540         (ix86_emit_save_regs): Make regno unsigned.
3541         (ix86_emit_save_regs_using_mov): Likewise.
3542         (ix86_expand_prologue): Handle force_align_arg_pointer.
3543         (ix86_expand_epilogue): Likewise.
3544         * config/i386/i386.h: (dbx_register_map): Update.
3545         (dbx64_register_map, svr4_dbx_register_map): Update.
3546         (struct machine_function): Add force_align_arg_pointer.
3547         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3548         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3549         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3550
3551 2005-11-02  Jan Hubicka  <jh@suse.cz>
3552
3553         PR target/23303
3554         * i386.md: Add peep2 for simplyfing array accesses.
3555
3556 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3557
3558         PR target/24615
3559         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3560         * config/s390/s390.c (s390_decompose_shift_count): New function.
3561         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3562         (print_shift_count_operand): Use s390_decompose_shift_count.
3563         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3564         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3565
3566 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3567
3568         PR target/24600
3569         * loop.c (loop_givs_rescan): Use force_operand to expand
3570         complex GIVs.
3571
3572 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3573
3574         PR 22429
3575         * fold-const.c (build_range_check): Use unsigned when signed
3576         overflow is undefined also.  If etype is subtype, make sure that
3577         the subtraction is in the supertype.
3578
3579 2005-11-02  Richard Henderson  <rth@redhat.com>
3580
3581         PR target/24178
3582         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3583         by MEM_ALIGN.
3584
3585 2005-11-01  Richard Henderson  <rth@redhat.com>
3586
3587         PR 21518
3588         * loop.c (scan_loop): Do not propagate computations to a hard
3589         register destination with SMALL_REGISTER_CLASSES.
3590
3591 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3592
3593         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3594         costs for MULT inside PLUS or MINUS.
3595
3596 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3597
3598         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3599         (TRAMPOLINE_SIZE): Round up to 60.
3600         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3601
3602 2005-10-31  James E. Wilson  <wilson@specifix.com>
3603
3604         PR debug/24444
3605         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3606         ifdef.  Put ifdefs around call in gen_subprogram_die.
3607         (compute_frame_pointer_to_cfa_displacement): Likewise.
3608         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3609         not defined.
3610
3611         PR rtl-optimization/17356
3612         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3613         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3614
3615 2005-10-31  Jan Hubicka  <jh@suse.cz>
3616
3617         PR middle-end/24093
3618         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3619
3620         PR target/20928
3621         * i386.c (legitimize_pic_address): Deal with large immediates.
3622
3623         PR profile/20815
3624         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3625         from symbol names while computing checkup.
3626
3627         PR profile/24487
3628         * predict.c (predict_loops): Do not estimate more than
3629         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3630         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3631
3632 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3633
3634         PR tree-optimization/19097
3635         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3636
3637 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3638
3639         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3640
3641 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3642
3643         PR middle-end/23492
3644         * tree-inline.c (setup_one_parameter): If the init_stmt
3645         is NULL, don't insert the statement.
3646
3647 2005-10-30  Jan Hubicka  <jh@suse.cz>
3648
3649         PR tree-optimization/24172
3650         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3651
3652 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3653
3654         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3655         constants for hosts with long != 32 bits.
3656
3657 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3658
3659         PR middle-end/24093
3660         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3661
3662 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3663
3664         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3665         (TARGET_MS1_16_002): New.
3666         (TARGET_MS1_16_003): New.
3667
3668         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3669         ("*decrement_and_branch_until_zero_no_clobber"): New.
3670         Add corresponding splitter for decrement_and_branch_until_zero
3671         instruction.
3672         Key all decrement_and_branch_until_zero patterns off of
3673         TARGET_MS1_16_003.
3674
3675 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3676
3677         PR middle-end/24362
3678         * tree-complex.c (extract_component): Treat RESULT_DECL
3679         like the rest of the decls.
3680
3681 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3682
3683         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3684         indirect call to _mcount if the function needs a static chain.
3685
3686 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3687             Caroline Tice  <ctice@apple.com>
3688
3689         PR rtl-optimization/24460
3690         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3691         (dwarf2out_switch_text_section): Set it to true instead of
3692         incrementing separate_line_info_table_in_use.
3693         (output_loc_list): Additionally test have_switched_text_sections.
3694         (output_ranges): Likewise.
3695         (dwarf2out_finish): Likewise.
3696         * varasm.c (assemble_start_function): Do not call
3697         insert_section_boundary_note.
3698         (assemble_end_function): If flag_reorder_blocks_and_partition,
3699         switch to the function's section before emitting the .size directive.
3700         * bb-reorder.c (insert_section_boundary_note): Staticify.
3701         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3702         * output.h (insert_section_boundary_note): Delete.
3703
3704 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3705
3706         PR c/23103
3707         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3708         instead of pointer equality when comparing types.
3709
3710 2005-10-24  James E. Wilson  <wilson@specifix.com>
3711
3712         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3713         add_dependence_list_and_free calls.
3714
3715 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3716
3717         * contrib.texi: Add the names of the LLNL folks who donated
3718         Cray pointer support for gfortran.
3719
3720 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3721
3722         PR tree-optimization/24225
3723         * profile.c (branch_prob): Look from end to start through a
3724         basic block when looking for a locus.
3725
3726 2005-10-24  Richard Henderson  <rth@redhat.com>
3727
3728         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3729         parallel.
3730         (hppa_expand_prologue): Likewise.
3731
3732 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3733
3734         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3735         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3736         * pa.h (NO_PROFILE_COUNTERS): Define.
3737         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3738         (funcdef_nos): New vector to hold label numbers of deferred profile
3739         counters.
3740         (output_deferred_profile_counters): New function.
3741         (hppa_profile_hook): Push label number onto funcdef_nos.
3742         (pa_hpux_file_end): Call output_deferred_profile_counters if
3743         NO_DEFERRED_PROFILE_COUNTERS is false.
3744
3745         * pa-protos.h (get_deferred_plabel): New prototype.
3746         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3747         Make global.
3748         (output_call): Adjust calls.
3749
3750 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3751
3752         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3753         peculiarity of GOT/TOC section usage.
3754
3755 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3756
3757         PR objc/24435
3758          * c-common.c (constant_string_class_name): Add documentation.
3759
3760 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3761
3762         PR target/23832
3763         * recog.c (peephole2_optimize): Increment peep2_current_count
3764         only when the slot is empty.
3765
3766 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3767
3768         PR ada/23957
3769         * except.c (output_function_exception_table): Call
3770         assemble_external_libcall if we need a personality function.
3771
3772 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3773
3774         PR rtl-optimization/24460
3775         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3776         set the basic block for barriers.
3777
3778 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3779
3780         * var-tracking.c (vt_initialize): Initialize post.
3781
3782 2005-10-21  Devang Patel  <dpatel@apple.com>
3783
3784         PR/24220
3785         * c-common.c (vector_types_convertible_p): Check vector element type.
3786
3787 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3788
3789         * config/sh/sh.c (prepare_move_operands): Handle the address
3790         constant which is a tls symbolic address plus a constant.
3791
3792 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3793
3794         PR driver/24473
3795         * gcc.c (main): Use the correct counter for erroring out
3796         about mulitple files.
3797
3798 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3799
3800         PR target/24465
3801         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3802         use r2 for 64-bit tls .got access.
3803
3804 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3805
3806         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3807         TRUTH_OR_EXPR.
3808
3809 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3810
3811         PR tree-optimization/24307
3812         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3813
3814 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3815
3816         PR middle-end/24295
3817         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3818         alias targets.
3819         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3820         is ready, stop marking functions, but still mark variables.
3821
3822 2005-10-20  Richard Guenther  <rguenther@suse.de>
3823
3824         PR c++/24439
3825         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3826         void type operands.
3827
3828 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3829
3830         PR rtl-optimization/23585
3831         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3832         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3833         (may_trap_p_1): New predicate extracted from...
3834         (may_trap_p): ... here.  Invoke may_trap_p_1.
3835         (may_trap_or_fault_p): New predicate.
3836         * rtl.h (may_trap_or_fault_p): Declare it.
3837         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3838         instead of may_trap_p.
3839         (steal_delay_list_from_fallthrough): Likewise.
3840         (fill_simple_delay_slots): Likewise.
3841         (fill_slots_from_thread): Likewise.
3842         * function.c (pad_to_arg_alignment): Rework comment about
3843         SPARC_STACK_BOUNDARY_HACK.
3844         * config/sparc/sparc.h: Likewise.
3845
3846 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3847
3848         * config/s390/s390.c (s390_expand_insv): New.
3849         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3850         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3851         ("icm_hi"): Remove mode attribute.
3852         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3853         Adjust all uses.
3854         ("*extracthi", "*extractqi"): Remove.
3855         (extv<mode>", "*extzv<mode>"): New.
3856         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3857         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3858
3859 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3860
3861         * cfgexpand.c (discover_nonconstant_array_refs_r,
3862         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3863         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3864         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3865         discover_nonconstant_array_refs.
3866
3867 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3868
3869         PR c/23228
3870         * c-decl.c (pop_scope): Don't warn about an unused variable
3871         if it is marked with TREE_NO_WARNING.
3872         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3873         somenow mismatch and olddecl is to be replaced.
3874
3875 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3876
3877         PR middle-end/23199
3878         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3879         whether registers live on the edge can be saved/restored.
3880
3881 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3882
3883         * config/sh/sh.c (fixup_mova): Skip notes.
3884
3885 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3886
3887         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3888         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3889         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3890         (s390_initial_elimination_offset): Likewise.
3891         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3892         register on TARGET_ZARCH targets.
3893         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3894         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3895         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3896         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3897
3898 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3899
3900         * config/s390/s390.md: Comment describing output modifiers updated.
3901         * config/s390/s390.c (print_operand): Likewise.
3902
3903 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3904
3905         * config/s390/s390.c (override_options): Added check for -mstack-size
3906         64k limitation.
3907         * doc/invoke.texi: Mention that limit in the documenation.
3908
3909 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3910
3911         PR #19672
3912         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3913
3914 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3915
3916         Fix PR tree-optimization/24231
3917
3918         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3919         (compute_avail): Ditto.
3920
3921 2005-10-18  Richard Henderson  <rth@redhat.com>
3922
3923         PR target/24428
3924         * config/i386/i386.c (legitimate_constant_p): Check
3925         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3926         if LABEL_REF.
3927         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3928         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3929         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3930         directly.
3931         (print_operand_address): Likewise.
3932         * config/i386/predicates.md (x86_64_immediate_operand): Test
3933         SYMBOL_REF_TLS_MODEL properly inside CONST.
3934         (x86_64_zext_immediate_operand): Likewise.
3935         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3936         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3937         * config/i386/i386-protos.h: Remove predicates.md entries.
3938
3939 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3940
3941         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3942         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3943
3944 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3945             Ian Lance Taylor <ian@airs.com>
3946
3947         PR middle-end/23522
3948         * fold-const.c (fold_widened_comparison): Do not allow range based
3949         constant folding when right operand cannot be unwidened.
3950
3951 2005-10-17  Richard Henderson  <rth@redhat.com>
3952
3953         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3954         with a memory clobber.
3955
3956 2005-10-17  James E Wilson  <wilson@specifix.com>
3957
3958         PR rtl-optimization/17356
3959         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3960         checking for EDGE_EH.
3961
3962 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3963
3964         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3965         the slot on an even boundary for any type with 16-byte alignment.
3966
3967 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3968
3969         PR target/23424
3970         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3971         after register allocation.
3972
3973 2005-10-17  DJ Delorie  <dj@redhat.com>
3974
3975         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3976         as frame related.
3977
3978 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3979
3980         PR c++/22551
3981         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3982         overflow flags.
3983
3984 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3985
3986         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3987         to 2 if it's already non-zero.
3988         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3989         is set and warn about it if flag_schedule_insns is 1.
3990
3991 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3992
3993         * config/crx/crx.md: Compare-and-branch instructions need to
3994         invalidate CC.
3995
3996 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3997
3998         PR target/24315
3999         * config/i386/i386.md (*pushdi2_rex64 splitter)
4000         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4001         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4002         flow2 pass only when (optimize > 0 && flag_peephole2).
4003
4004 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4005
4006         PR driver/22544
4007         * gcc.c (have_c): New static variable.
4008         (have_o): Likewise.
4009         (process_command): Remove declation of have_c.
4010         Set have_o to 1 when handling -o.
4011         (main): Add a fatel error if there are multiple
4012         files specified and -o and -c/-S is passed witout
4013         -combine or multiple languages.
4014
4015 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4016
4017         Fix PR tree-optimization/22444
4018         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4019         Assert that we don't hit something with subvars.
4020         (setup_pointers_and_addressables): Don't add things with subvars,
4021         because we'll already process the subvars for aliasing purposes.
4022
4023 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4024
4025         PR target/23424
4026         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4027         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4028         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4029         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4030         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4031         swapped, alternatives for the R constraint.
4032
4033         PR middle-end/24341
4034         * builtins.c (get_builtin_sync_mode): Make unlimited
4035         mode_for_size request.
4036
4037 2005-10-15  Richard Henderson  <rth@redhat.com>
4038
4039         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4040         (gimplify_expr): ... here.
4041         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4042         fb_lvalue in base expression.
4043
4044 2005-10-15  Richard Henderson  <rth@redhat.com>
4045
4046         PR 23714
4047         * builtins.c (expand_builtin_trap): Export.
4048         * expr.h (expand_builtin_trap): Declare.
4049         * expr.c (expand_assignment): Emit a trap for integral offsets
4050         from registers that weren't reduced to bitpos.
4051
4052         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4053         (mark_array_ref_addressable): Remove.
4054         * tree-flow.h (mark_array_ref_addressable): Remove.
4055         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4056
4057 2005-10-15  James E Wilson  <wilson@specifix.com>
4058
4059         PR target/24232
4060         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4061         (add_dependence_list_and_free): Likewise.
4062         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4063         call.
4064
4065 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4066
4067         PR 23141
4068         PR 23142
4069         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4070         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4071         anti-range.
4072         (vrp_visit_phi_node): Only prevent infinite iterations when
4073         the previous result and the new result are both VR_RANGEs.
4074
4075 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4076
4077         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4078         function comment.
4079
4080 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4081
4082         PR c/23439
4083         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4084         to initialize loc.
4085
4086 2005-10-14  Per Bothner  <per@bothner.com>
4087
4088         PR preprocessor/21250
4089         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4090
4091 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4092
4093         PR c++/22551
4094         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4095         overflow flags.  Refactor some conditionals.
4096
4097 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4098
4099         PR tree-opt/21304
4100         * tree-dfa.c (add_referenced_var): Only look at decls which
4101         have TREE_CONSTANT or TREE_READONLY set instead of if
4102         !TREE_PUBLIC or !TREE_CONSTANT.
4103
4104 2005-10-13  James E Wilson  <wilson@specifix.com>
4105
4106         * doc/invoke.texi: For -x, add f95-cpp-input.
4107         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4108
4109 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4110
4111         PR tree-optimization/24262
4112         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4113         in loop all the time.
4114
4115 2005-10-12  Richard Henderson  <rth@redhat.com>
4116
4117         PR c/24255
4118         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4119         * function.c (assign_parm_find_data_types): Don't support it.
4120         * print-tree.c (print_node): Likewise.
4121         * c-common.c (handle_transparent_union_attribute): Likewise.
4122         Use build_duplicate_type.
4123         * tree-inline.c (remap_type_1): Split out of remap_type;
4124         properly remap aggregate fields.
4125         (build_duplicate_type): New.
4126         * doc/extend.texi (Variable Attributes): Remove documentation
4127         for transparent_union.
4128
4129 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4130
4131         PR target/24284
4132         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4133         (gen_stack_pointer_dec): Likewise.
4134
4135 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4136
4137         PR middle-end/21275
4138         PR middle-end/21766
4139         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4140         target hook.
4141         (struct cxx): Add adjust_class_at_definition target hook.
4142         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4143         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4144         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4145         hook_void_tree. Add to TARGET_CXX.
4146         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4147         dllimport_flag.
4148         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4149         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4150         instead of attribute. Check for dllexport override.  Warn if
4151         inconsistent dll linkage. Don't lose old dllimport if decl has
4152         had address referenced.   Tweak lookup of dllimport atribute.
4153         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4154         for target specific rules.  Don't add dllimport attribute if
4155         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4156         dllimport attribute.
4157         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4158         * varasm.c (initializer_constant_valid_p): Replace
4159         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4160
4161         PR target/21801
4162         PR target/23589
4163         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4164         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4165         (i[34567]86-*-mingw32*): Likewise.
4166
4167         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4168         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4169
4170         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4171         C++-specific code. Change return value to bool.
4172         (i386_pe_dllimport_p): Likewise.
4173         (associated_type): Simplify and make language-independent
4174         (i386_pe_encode_section_info): Replace override of ambiguous
4175         dllimport symbol refs with a gcc_assert.
4176         (i386_pe_valid_dllimport_attribute_p): Define.
4177         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4178         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4179         i386_pe_adjust_class_at_definition.
4180         * config/i386/winnt-stubs.c: New file. Define stub versions of
4181         lang-specific functions.
4182         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4183         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4184         i386_pe_adjust_class_at_definition.
4185         (i386_pe_valid_dllimport_attribute_p): Declare.
4186         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4187         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4188         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4189
4190         PR target/19704
4191         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4192         dllimport attribute with test of DECL_DLLIMPORT_P.
4193
4194 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4195
4196         * combine.c (make_extraction): Correct offset computation.
4197
4198 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4199
4200         * config/cris/t-linux (LIMITS_H_TEST): Define.
4201
4202 2005-10-12  Richard Henderson  <rth@redhat.com>
4203
4204         PR rtl-opt/23324
4205         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4206
4207 2005-10-12  Richard Guenther  <rguenther@suse.de>
4208
4209         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4210
4211 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4212
4213         PR c++/19964
4214         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4215         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4216         type.
4217
4218 2005-10-12  Richard Guenther  <rguenther@suse.de>
4219
4220         PR c++/23799
4221         * varasm.c (output_constant): Correct typo from previous
4222         patch by DJ.
4223
4224 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4225
4226         PR rtl-optimization/13931
4227         * combine.c: Revert patch of 2003-05-14, and:
4228         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4229         completely killed in the appropriate insn.
4230         (distribute_notes): Don't skip multiple hard register test for
4231         elim_i1 and elim_i2.
4232
4233 2005-10-11  Richard Henderson  <rth@redhat.com>
4234
4235         PR c/24255
4236         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4237         to initialize a transparent union instead of a nop_expr.
4238
4239 2005-10-11  Richard Henderson  <rth@redhat.com>
4240
4241         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4242         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4243         (tree_ssa_dce_loop): Call scev_reset.
4244
4245         PR tree-opt/24300
4246         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4247         * tree-ssa-dce.c: Include cfgloop.h.
4248         (tree_ssa_dce_loop, pass_dce_loop): New.
4249         * tree-pass.h (pass_dce_loop): Declare it.
4250         * passes.c (init_optimization_passes): Use it.
4251
4252 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4253
4254         PR middle-end/24263
4255         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4256         Only apply the optimization for rounding builtins if the inner
4257         cast is also an extension.
4258
4259 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4260
4261         PR tree-opt/23946
4262         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4263         mark_new_vars_to_rename instead of update_stmt.
4264
4265 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4266
4267         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4268
4269 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4270
4271         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4272         for setting MMX register to 0 rather than mmx.
4273
4274 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4275
4276         PR target/12098
4277         * configure.ac: Move gas check from mips specific case to common case.
4278         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4279         * configure: Regenerate
4280         * doc/install.texi: Update.
4281
4282 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4283
4284         PR target/24284
4285         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4286
4287 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4288
4289         * gcc.c (do_spec_1): Accept numeric characters in file name
4290         suffixes.
4291
4292 2005-10-10  Nick Clifton  <nickc@redhat.com>
4293
4294         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4295         describing the deleted arm_gen_rotated_half_load function.
4296
4297 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4298
4299         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4300         __fpscr_values.
4301
4302 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4303
4304         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4305         gnu_ld assignments.
4306         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4307         (EXTRA_MULTILIB_PARTS): Define.
4308         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4309         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4310         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4311         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4312         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4313         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4314
4315 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4316
4317         PR tree-optimization/24226
4318         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4319         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4320         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4321         Export.
4322
4323 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4324
4325         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4326
4327 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4328
4329         PR target/24136
4330         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4331         Rewrite for no need for the early clobber.
4332
4333 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4334
4335         Merge from csl-arm-branch:
4336         2005-09-07  Paul Brook  <paul@codesourcery.com>
4337         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4338         space to string.
4339
4340         2005-04-30  Paul Brook  <paul@codesourcery.com>
4341         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4342         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4343
4344         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4345         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4346         (arm_override_options): Use TARGET_AAPCS_BASED.
4347         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4348         (PTRDIFF_TYPE): Use int for AAPCS.
4349         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4350         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4351         (DEFAULT_SHORT_ENUMS): Delete.
4352         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4353
4354         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4355         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4356         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4357         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4358
4359         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4360         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4361
4362         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4363         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4364
4365         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4366         * config.gcc (arm*-*-linux-gnueabi): Add it.
4367         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4368         redefining it.
4369         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4370         * config/arm/linux-eabi.h: New file.
4371         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4372         (LINUX_TARET_LINK_SPEC): Likewise.
4373         (LINK_SPEC): Use it.
4374         * config/arm/t-linux-eabi: New file.
4375
4376 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4377
4378         PR other/22202
4379         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4380         spaces.
4381         (PARAM_SMS_DFA_HISTORY): Likewise.
4382
4383 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4384
4385         PR middle-end/23150
4386         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4387         (load_register_parameters): Call it.
4388         (check_sibcall_argument_overlap_1): Likewise.
4389         (store_one_arg): Likewise.
4390
4391 2005-10-07  James E. Wilson  <wilson@specifix.com>
4392
4393         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4394         DImode not VECINT24 for operand 2.
4395
4396         PR target/23644
4397         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4398         -mtune-arch.
4399
4400         PR target/24193
4401         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4402         fr_spill): Use destination_operand for operand 0.
4403
4404 2005-10-07  DJ Delorie  <dj@redhat.com>
4405
4406         * varasm.c (output_constant): Limit error to expanding
4407         conversions.
4408
4409 2005-10-07  Richard Guenther  <rguenther@suse.de>
4410
4411         PR middle-end/24227
4412         * fold-const.c (fold_binary): Fix operand types during folding
4413         of X op (A, Y).  Evaluation order of the side-effects of
4414         X and A are frontend-defined, so ensure we honour that even for
4415         tcc_comparison class operands; eased by removing duplicate code.
4416
4417 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4418
4419         * stor-layout.c (layout_type): Do not allow alignment of array
4420         elements to be greater than their size.
4421
4422 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4423
4424         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4425         host_xmake_file.
4426         (hppa*-*-linux*): Ditto.
4427         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4428         * config/host-hpux.c: New.
4429         * config/x-hpux: New.
4430         * config/pa/x-hpux: Remove.
4431         * config/pa/x-linux: Remove.
4432         * config/pa/pa-host.c: Remove.
4433
4434 2005-10-07  Jeff Law  <law@redhat.com>
4435
4436         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4437         determine whether or not to try and thread outgoing edges.
4438
4439 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4440
4441         * config/rs6000/rs6000.md (eqsi_power): New.
4442         (neg_eq0si): Add TARGET_POWER to final condition.
4443         (neg_eqsi): Same.
4444
4445 2005-10-06  Richard Henderson  <rth@redhat.com>
4446
4447         * config/rs6000/rs6000.c: Revert last change.
4448
4449 2005-10-06  Richard Henderson  <rth@redhat.com>
4450
4451         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4452         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4453
4454 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4455
4456         PR middle-end/22216
4457         PR middle-end/23651
4458         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4459         out return_label and naked_return_label.
4460
4461 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4462
4463         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4464         change.
4465
4466 2005-10-06  Richard Henderson  <rth@redhat.com>
4467
4468         PR tree-opt/22237
4469         * tree-inline.c (declare_return_variable): Handle modify_dest not
4470         being a DECL.
4471
4472 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4473
4474         Fix PR tree-optimization/22488
4475         * tree-ssa-structalias.c (check_for_overlaps): New function.
4476         (create_variable_info_for): Use it.
4477
4478 2005-10-06  Richard Henderson  <rth@redhat.com>
4479
4480         PR debug/24070
4481         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4482         (dwarf2out_start_source_file): Print it.
4483
4484 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4485
4486         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4487
4488 2005-10-06  Richard Henderson  <rth@redhat.com>
4489
4490         PR 23706
4491         * mode-switching.c (optimize_mode_switching): Clear transp bit
4492         for block with incomming abnormal edges.
4493
4494         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4495         (fpscr_set_from_mem): Use them.
4496         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4497         (fpscr postinc splitters): Rewrite as peephole2+split.
4498
4499 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4500
4501         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4502         (eq<mode>_compare): Same.
4503
4504 2005-10-06  Richard Guenther  <rguenther@suse.de>
4505
4506         PR tree-optimization/24238
4507         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4508
4509 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4510
4511         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4512         here.  Use AC_PATH_PROG for environment variables instead of
4513         test -x.
4514         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4515         objdump also.
4516         * configure: Regenerated.
4517
4518 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4519
4520         PR target/23783
4521         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4522         then force it into a register.
4523         (call_value): Likewise.
4524
4525 2005-10-06  Richard Henderson  <rth@redhat.com>
4526
4527         PR 24049
4528         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4529         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4530         under pass_vectorize.
4531
4532 2005-10-05  Devang Patel  <dpatel@apple.com>
4533
4534         PR Debug/23205
4535         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4536         handling constants. Check NAMESPACE_DECL context for constants.
4537
4538 2005-10-05  Eric Christopher  <echristo@apple.com>
4539
4540         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4541
4542 2005-10-05  Richard Henderson  <rth@redhat.com>
4543
4544         PR 23714
4545         * tree-cfg.c (mark_array_ref_addressable_1): New.
4546         (mark_array_ref_addressable): New.
4547         * tree-flow.h (mark_array_ref_addressable): Declare.
4548         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4549
4550 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4551
4552         PR middle-end/20606
4553         PR middle-end/24069
4554         * reload.c (subst_reloads): When adding a REG_LABEL to a
4555         jump instruction, also update JUMP_LABEL.
4556
4557 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4558
4559         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4560         * bb-reorder.c (copy_bb_p): Use it.
4561         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4562
4563 2005-10-05  Richard Henderson  <rth@redhat.com>
4564
4565         PR target/23602
4566         * toplev.c (process_options): Warn about unsupported combinations
4567         of unwind tables and omit-frame-pointer.
4568         * config/i386/i386.c (override_options): Similarly.  Enable
4569         accumulate-outgoing-args if not explicitly disabled.
4570
4571 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4572
4573         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4574         Handle big endian vs. small endian.
4575         (vec_initv2sf): Handle big endian vs. small endian.
4576         (*vec_extractv2sf_1): Ditto.
4577
4578 2005-10-05  Dale Johannesen  <dalej@apple.com>
4579
4580         * convert.c (convert_to_real):  Don't convert
4581         (float)floor(double d) to floorf((float)d).
4582
4583 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4584
4585         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4586
4587 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4588
4589         PR tree-optimization/18587
4590         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4591         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4592         build_vuses): Change to VEC type.
4593         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4594         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4595         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4596         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4597         (get_name_decl): New.  Return DECL_UID of base variable.
4598         (operand_build_cmp): New.  qsort comparison routine.
4599         (operand_build_sort_virtual): New.  Sort virtual build vector.
4600         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4601         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4602         (FINALIZE_BASE): Use get_name_decl.
4603         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4604         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4605         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4606         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4607         direct VEC_* manipulations.
4608         (build_ssa_operands): Call operand_build_sort_virtual.
4609         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4610         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4611         with direct VEC_* manipulations.
4612         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4613         with direct VEC manipulations.
4614
4615 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4616
4617         PR tree-optimization/21419
4618         PR tree-optimization/24146
4619         PR tree-optimization/24151
4620
4621         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4622         (build_asm_expr): Call it if outputs are read-only.
4623         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4624
4625 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4626             Paolo Bonzini  <bonzini@gnu.org>
4627
4628         PR target/23809
4629
4630         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4631         enable the instructions and not just the built-ins.
4632         * doc/invoke.texi (x86 Options): Likewise.
4633
4634 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4635
4636         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4637
4638         * doc/invoke.texi (Option Summary): Correct spelling
4639         of -mmacosx-version-min.
4640
4641 2005-10-04  Devang Patel  <dpatel@apple.com>
4642
4643         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4644         real types.
4645
4646 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4647
4648         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4649         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4650
4651 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4652
4653         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4654         ("TE","tg"): New mode attributes.
4655         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4656         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4657         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4658         dword_mode and one for GPRmode.
4659
4660 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4661
4662         PR preprocessor/13726
4663         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4664         any comments passed in.
4665
4666 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4667
4668         * tree.c (annotate_with_file_line): Fix typo.
4669
4670 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4671
4672         PR ada/19382
4673         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4674         type used to access data in the inlined length == 1 case, use
4675         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4676         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4677
4678 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4679
4680         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4681         TARGET_SSE3 and only for TARGET_80387.
4682         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4683         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4684         Do not depend on TARGET_80387.
4685
4686 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4687
4688         * tree.c (last_annotated_node): Change type to location_t*.
4689         (annotate_with_file_line): Reflect the change of
4690         last_annotated_node type.
4691
4692 2005-10-04  Richard Guenther  <rguenther@suse.de>
4693
4694         PR c/23576
4695         * c-decl.c (grokdeclarator): Don't write to fields
4696         of error_mark_node.
4697
4698 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4699
4700         PR middle-end/23125
4701         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4702         register variables.
4703         * varasm.c (make_decl_rtl): If a register variable does not
4704         have a set user assmbler name, error out.
4705         Decode the asmspec is now name+1 bypassing '*'.
4706
4707 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4708
4709         PR tree-optimization/23049
4710         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4711         of a COND_EXPR is folded before calling fold on the whole rhs of a
4712         conditional assignment.
4713         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4714         document that a COND_EXPR may appear there.
4715
4716 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4717
4718         PR 23445
4719         * tree-vrp.c (extract_range_from_assert): If the new numeric
4720         range created out of the assertion contradicts the existing
4721         numeric range of the ASSERT_EXPR variable, make the new range
4722         varying.
4723
4724 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4725
4726         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4727         from T_REGS to FP register class.
4728
4729 2005-10-03  Richard Henderson  <rth@redhat.com>
4730
4731         PR 24135
4732         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4733         before creating a new one.
4734
4735 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4736
4737         * config/rs6000/t-aix43 (LDFLAGS): New.
4738         * config/rs6000/t-aix52 (LDFLAGS): New.
4739
4740 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4741
4742         * gimplify.c (find_single_pointer_decl_1): New static function.
4743         (find_single_pointer_decl): New static function.
4744         (internal_get_tmp_var): For a formal variable, set restrict base
4745         information if appropriate.
4746         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4747         return it.
4748         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4749         (DECL_GET_RESTRICT_BASE): Define.
4750         (SET_DECL_RESTRICT_BASE): Define.
4751         (decl_restrict_base_lookup): Declare.
4752         (decl_restrict_base_insert): Declare.
4753         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4754         * tree.c (restrict_base_for_decl): New static variable.
4755         (init_ttree): Initialize restrict_base_for_decl.
4756         (copy_node_stat): Copy restrict base information.
4757         (decl_restrict_base_lookup): New function.
4758         (decl_restrict_base_insert): New function.
4759         (print_restrict_base_statistics): New static function.
4760         (dump_tree_statistics): Call print_restrict_base_statistics.
4761
4762 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4763
4764         PR 24142
4765         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4766         case of anti-ranges.
4767
4768 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4769
4770         PR c/18851
4771         * c-typeck.c (tagged_tu_seen): Rename to ...
4772         (tagged_tu_seen_cache): this and add val field.
4773         (comptypes): Move functional to comptypes_internal
4774         and free tagged_tu_seen.
4775         (comptypes_internal): New function and call comptypes_internal
4776         instead of comptypes. Speed up by sibcalling
4777         tagged_types_tu_compatible_p.
4778         (alloc_tagged_tu_seen): New function
4779         (free_all_tagged_tu_seen_up_to): New function.
4780         (tagged_types_tu_compatible_p): Return the val of the seen two
4781         types.
4782         Add that the two types are the same to tagged_tu_seen_base
4783         if they are and call comptypes_internal instead of comptypes.
4784         <case UNION_TYPE>: Speed up common type where the fields are
4785         in the same order.
4786         (function_types_compatible_p): Call comptypes_internal instead of
4787         comptypes.
4788         (type_lists_compatible_p): Likewise.
4789         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4790
4791 2005-10-02  Matthias Klose  <doko@debian.org>
4792
4793         * doc/invoke.texi: Fix typo and speling error.
4794
4795 2005-10-01  Richard Henderson  <rth@redhat.com>
4796
4797         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4798
4799 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4800
4801         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4802         using --start-group and --end-group.
4803
4804 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4805
4806         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4807         FIXME note regarding quirky semantics.
4808
4809 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4810
4811         PR 24141
4812         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4813         non-null range as a last resort.
4814
4815 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4816             Diego Novillo  <dnovillo@redhat.com>
4817
4818         PR 23604
4819         * tree-vrp.c (extract_range_from_assert): For !=
4820         assertions, only build an anti-range if LIMIT is a
4821         single-valued range.
4822
4823 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4824
4825         * arm.md (movqi): On thumb when optimizing, handle loading from
4826         memory by describing this as taking a subreg of a zero-extended load
4827         into an SImode register.
4828         (movhi): Likewise.
4829
4830 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4831
4832         * reload1.c (merge_assigned_reloads): Do not change any
4833         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4834
4835 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4836
4837         * Makefile.in (LIPO_FOR_TARGET): Define.
4838         (STRIP_FOR_TARGET): Define.
4839
4840         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4841         before creating new ones.  Do symlinks before creating the actual
4842         targets.
4843
4844         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4845         to work out which multilibs are actually being built.
4846
4847 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4848
4849         * tree-vect-transform.c, config/ms1/ms1.md,
4850         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4851         Follow spelling conventions.
4852         * doc/invoke.texi, doc/md.texi: Fix typos.
4853
4854 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4855
4856         PR tree-optimization/21430
4857         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4858         use operands, and set stmt pointer if need be.
4859         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4860         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4861         present.
4862
4863 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4864
4865         PR middle-end/24053
4866         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4867
4868 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4869
4870         * optabs.c (expand_binop): Initialize first_pass_p.
4871
4872 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4873
4874         PR middle-end/24109
4875         * c-decl.c (c_write_global_declarations_1): If any
4876         wrapup_global_declaration_2 call returned true, restart the loop.
4877
4878 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4879
4880         Fix PR tree-optimization/24117
4881         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4882         before considering whether to use anyoffset.
4883
4884 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4885
4886         Revert this patch:
4887
4888         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4889
4890         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4891         to order operands.
4892         (swap_commutative_operands_with_target): New.
4893
4894 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4895
4896         PR c/21419
4897         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4898         read-only.
4899
4900 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4901
4902         PR tree-optimization/23911
4903         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4904         and IMAGPART_EXPR too.
4905
4906 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4907
4908         PR 17886
4909         * expmed.c (expand_shift): Move logic to reverse rotation
4910         direction when  rotating by constants ...
4911         * optabs.c (expand_binop): ... here.
4912         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4913         (ix86_rotrdi3): New pattern.
4914         (rotldi3): Handle 32-bit mode.
4915         (ix86_rotldi3): New pattern.
4916
4917 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4918
4919         PR target/24102
4920         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4921         check for numbers that need no bit twiddle.
4922
4923 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4924
4925         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4926         multilib to be built.
4927
4928         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4929         (stage1-start): Delete old libgcc and libunwind before moving
4930         anything into the stage directory.
4931         (stage2-start): Likewise.
4932         (stage3-start): Likewise.
4933         (stage4-start): Likewise.
4934         (stageprofile-start): Likewise.
4935         (stagefeedback-start): Likewise.
4936         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4937         header in tm_file and CPU-specific t-darwin in tmake_file.
4938         (i[34567]86-*-darwin*): Don't change tm_file.
4939         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4940         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4941         shared library stub for target OS version.
4942         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4943         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4944         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4945         (libgcc_s.%.dylib): New.
4946         (LIBGCC): Define.
4947         (install-darwin-libgcc-stubs): New.
4948         (INSTALL_LIBGCC): New append.
4949         * config/i386/darwin-libgcc.10.4.ver: New.
4950         * config/i386/darwin-libgcc.10.5.ver: New.
4951         * config/i386/t-darwin: New.
4952         * config/rs6000/darwin-libgcc.10.4.ver: New.
4953         * config/rs6000/darwin-libgcc.10.5.ver: New.
4954         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4955         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4956
4957 2005-09-28  Paul Brook  <paul@codesourcery.com>
4958
4959         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4960         denormals.
4961
4962 2005-09-28  Richard Guenther  <rguenther@suse.de>
4963
4964         PR tree-optimization/23853
4965         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4966         host_integerp to verify misalignment value.
4967
4968 2005-09-28  Richard Henderson  <rth@redhat.com>
4969
4970         * builtins.c (get_builtin_sync_mode): New.
4971         (expand_builtin_sync_operation): Pass in mode argument.
4972         (expand_builtin_compare_and_swap): Likewise.
4973         (expand_builtin_lock_test_and_set): Likewise.
4974         (expand_builtin_lock_release): Likewise.
4975         (expand_builtin): Update to match.
4976
4977 2005-09-28  Nick Clifton  <nickc@redhat.com>
4978
4979         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4980         formatting.  Add check to PLUS case to ensure that the offset is
4981         within an acceptable range.
4982
4983         * config/v850/v850.md (casesi): Disable the generation of the
4984         switch pattern as it is not being handled properly at the moment.
4985
4986         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4987         for when the high words are identical.
4988
4989 2005-09-27  Richard Henderson  <rth@redhat.com>
4990
4991         * pretty-print.c (pp_base_format): Fix typo for %>.
4992
4993 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4994             Devang Patel  <dpatel@apple.com>
4995
4996         PR tree-optimization/23625
4997         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4998         LABEL_EXPR, assertion check.
4999
5000 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5001
5002         * optabs.c (no_conflict_move_test): Check if a result of a
5003         to-be-moved insn would be clobbered by an originally
5004         preceding insn.
5005
5006 2005-09-27  Jeff Law  <law@redhat.com>
5007
5008         * passes.c (init_optimization_passes): Replace copy propagation
5009         passes immediately after DOM with phi-only copy propagation
5010         pases.  Add phi-only copy propagation pass after first DOM pass.
5011         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5012         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5013         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5014         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5015         to init_copy_prop.  Callers updated.
5016         (do_phi_only_copy_prop): New function.
5017         (pass_phi_only_copy_prop): New pass descriptor.
5018
5019 2005-09-27  Nick Clifton  <nickc@redhat.com>
5020
5021         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5022
5023 2005-09-26  Jason Merrill  <jason@redhat.com>
5024
5025         PR c++/13764
5026         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5027
5028         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5029
5030 2005-09-26  James E Wilson  <wilson@specifix.com>
5031
5032         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5033         copyright.  Add gcc copyright plus libgcc exception.
5034         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5035         copyright.
5036         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5037
5038 2005-09-26  Jeff Law  <law@redhat.com>
5039
5040         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5041         about when to iterate.
5042
5043 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5044
5045         PR target/23847
5046         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5047         for __complex__ double in -mcpu=G5 mode.
5048
5049 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5050
5051         PR tree-optimization/23942
5052         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5053         * tree-scalar-evolution.c: Include params.h.
5054         (t_bool): New enum.
5055         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5056         follow_ssa_edge_in_condition_phi_branch,
5057         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5058         Change return type to t_bool.  Use a parameter to limit the size of
5059         trees that are walked before stopping
5060         (analyze_evolution_in_loop): Initialize the limit to 0.
5061         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5062         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5063
5064 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5065
5066         PR middle-end/23831
5067         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5068         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5069
5070 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5071
5072         * combine.c (make_extraction): Check for valid use of subreg.
5073
5074 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5075
5076         PR target/24055
5077         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5078         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5079         ("fist<mode>2_with_temp"): Use only register operands.
5080
5081 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5082
5083         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5084         CALL_INSN_FUNCTION_USAGE.
5085
5086 2005-09-26  Richard Guenther  <rguenther@suse.de>
5087
5088         PR middle-end/15855
5089         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5090         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5091         (ldst_entry): Use the hashtable instead of list-walking.
5092         (find_rtx_in_ldst): Likewise.
5093         (free_ldst_entry): Free the hashtable.
5094         (compute_ld_motion_mems): Create the hashtable.
5095         (trim_ld_motion_mems): Remove entry from hashtable if
5096         removing it from list.
5097         (compute_store_table): Likewise^2.
5098         (store_motion): Free hashtable in case we did not see
5099         any stores.
5100
5101 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5102
5103         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5104         and arg1 if we are passing them to fold_build2.
5105
5106 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5107
5108         PR 23828
5109         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5110         a nested function.
5111
5112 2005-09-25  Richard Henderson  <rth@redhat.com>
5113
5114         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5115         SYMBOL_REF_TLS_MODEL to be correct.
5116
5117 2005-09-24  Richard Henderson  <rth@redhat.com>
5118
5119         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5120         end of function.  Reindent.
5121
5122 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5123
5124         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5125         NEGATE_EXPR/BIT_NOT_EXPR case.
5126
5127 2005-09-24  Richard Henderson  <rth@redhat.com>
5128
5129         * c-common.c (handle_mode_attribute): When not modifying in place,
5130         create subtypes for enumerations.
5131         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5132         * gimplify.c (create_tmp_from_val): Likewise.
5133
5134 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5135
5136         * config/i386/i386.md (*tls_global_dynamic_64,
5137         *tls_local_dynamic_base_64): Add missing mode to call.
5138         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5139
5140 2005-09-24  Jan Hubicka  <jh@suse.cz>
5141
5142         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5143         (cgraph_clone_node): Likewise.
5144         * cgraph.h (cgraph_clone_edge): Update prototype.
5145         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5146         duplicated prototypes; add updating argument.
5147         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5148         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5149         updating profile.
5150         (cgraph_mark_inline_edge): Likewise.
5151         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5152         (cgraph_flatten_node): Likewise.
5153         (cgraph_decide_recursive_inlining): Likewise.
5154         (cgraph_decide_inlining_of_small_function): Likewise.
5155         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5156
5157 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5158             Pete Steinmetz <steinmtz@us.ibm.com>
5159
5160         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5161         (rldic.): Set type to "compare".
5162         (rldicr.): Same.
5163         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5164         mfjmpr for MFCTR/MFLR.
5165         (movdf_hardfloat64): Same.
5166         (movdf_softfloat64): Same.  Correct order of store and move types.
5167         (movti_string): Set type to store_ux/load_ux.
5168         (load_multiple): Set type to load_ux.
5169         (store_multiple): Set type to store_ux.
5170         (movmemsi): Set type to store_ux.
5171         (output_cbranch direct_return): Set type to jmpreg.
5172         (stmw): Set type to store_ux.
5173         (lmw): Set type to load_ux.
5174         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5175         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5176         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5177         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5178         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5179         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5180         (rios1-fpstore): Increase latency to 3.
5181         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5182         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5183
5184 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5185             Andrew Pinski  <pinskia@physics.uc.edu>
5186
5187         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5188         operand2 constraint to "b".
5189         (sync_<fetchop_name>di_internal): Same.
5190         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5191         to "b".
5192         (sync_old_<fetchop_name>di_internal): Same.
5193         (sync_new_<fetchop_name>si_internal): Same.
5194         (sync_new_<fetchop_name>di_internal): Same.
5195
5196 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5197
5198         PR middle-end/23991
5199         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5200         case, define as macros.
5201
5202         PR rtl-optimization/23837
5203         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5204         clobber / clobber match between dest and p->first.
5205
5206         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5207         (no_conflict_move_test): Update comments.
5208
5209 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5210
5211         * doc/install.texi: Update URL for Jacks.
5212         * doc/sourcebuild.texi: Likewise.
5213
5214 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5215
5216         PR target/24007
5217         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5218         registers when choosing register preferences.
5219         (movdf_hardfloat64): Same.
5220
5221 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5222
5223         * expmed.c (expand_shift): Don't use the target of the rotate as
5224         target for the first expanded shift insn.
5225         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5226
5227 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5228
5229         PR tree-optimization/22438
5230         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5231         preserved iv rhs rewriting specially.
5232
5233 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5234
5235         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5236         estimate_only  is true.
5237         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5238         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5239         tree-ssa-structalias.c
5240         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5241         ref_contains_indirect_ref.
5242         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5243
5244 2005-09-21  DJ Delorie  <dj@redhat.com>
5245
5246         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5247         MASK_PTR_A0D0.
5248         (mn10300_return_in_memory): Support variable size types also.
5249         (mn10300_pass_by_reference): Likewise.
5250         (mn10300_function_value): New.
5251         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5252         (FUNCTION_OUTGOING_VALUE): Likewise.
5253         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5254         * doc/invoke.texi: Document it.
5255
5256 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5257
5258         PR target/22585
5259         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5260         force integer op1 into register for XFmode compares.
5261
5262 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5263
5264         PR middle-end/23971
5265         * expmed.c (alg_code): Add alg_impossible.
5266         (alg_hash_entry): Add cost.
5267         (synth_mult): Record alg_impossible in the hash table if
5268         multiplication by a given integer is impossble within the
5269         limit.  Speed up using alg_impossible.
5270
5271 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5272
5273         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5274         argument.  Allow and set any offset if needs_anyoffset is passed
5275         in.
5276         (get_constraint_for): Add argument here too.
5277         Pass it down.
5278         (do_structure_copy): Pass NULL to get_constraint_for.
5279         (handle_ptr_arith): Ditto.
5280         (find_func_aliases): Ditto.
5281
5282 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5283
5284         PR rtl-optimization/23898
5285         * output.h (get_attr_min_length): Declare.
5286         * final.c (get_attr_length_1): New function, broken out of:
5287         (get_attr_length).
5288         (get_attr_min_length): New function.
5289         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5290         (duplicate_computed_gotos): Likewise.
5291         * genattr.c (insn_min_length): Generate declaration.
5292         * genattrtab.c (min_fn, min_attr_value): New functions.
5293         (make_length_attrs): Generate insn_min_length.
5294
5295 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5296
5297         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5298
5299 2005-09-20  Richard Henderson  <rth@redhat.com>
5300
5301         PR tree-optimization/24059
5302         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5303         EXPAND_STACK_PARM.
5304
5305 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5306
5307         * c.opt (fextended-identifiers): New.
5308         * c-opts.c (c_common_handle_option): Handle
5309         -fextended-identifiers.
5310         * doc/cpp.texi: Update documentation of extended identifiers.
5311         * doc/cppopts.texi (-fextended-identifiers): Document.
5312
5313 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5314
5315         PR tree-optimization/23929
5316         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5317         if expr is NULL.
5318
5319         PR tree-optimization/23818
5320         * tree-stdarg.c (execute_optimize_stdarg): Call
5321         calculate_dominance_info.
5322
5323 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5324
5325         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5326         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5327         (compute_overlap_steps_for_affine_1_2): Use
5328         get_number_of_iters_for_loop.
5329         (analyze_subscript_affine_affine): Check whether difference is
5330         zero first.
5331         Use get_number_of_iters_for_loop.
5332         Check whether overlap occurs outside of bounds.
5333         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5334
5335 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5336
5337         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5338         base register if possible.
5339
5340 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5341
5342         PR tree-optimization/18463
5343         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5344         converting it directly is not possible.
5345         (chrec_convert_aggressive): New function.
5346         * tree-chrec.h (chrec_convert_aggressive): Declare.
5347         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5348         Fold chrec conversions aggressively if asked to.
5349         (instantiate_parameters): Modified because of changes in
5350         instantiate_parameters_1.
5351
5352 2005-09-19  Richard Henderson  <rth@redhat.com>
5353
5354         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5355         (reduc_splus_v2df): New.
5356
5357 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5358
5359         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5360         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5361
5362 2005-09-19  Richard Henderson  <rth@redhat.com>
5363
5364         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5365         vcondu<SSEMODE12>.
5366
5367 2005-09-19  Richard Henderson  <rth@redhat.com>
5368
5369         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5370         (ia64_expand_dot_prod_v8qi): New.
5371         * config/ia64/ia64-protos.h: Update.
5372         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5373         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5374         sdot_prodv8qi, sdot_prodv4hi): New.
5375         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5376
5377 2005-09-19  Richard Henderson  <rth@redhat.com>
5378
5379         PR 23941
5380         * real.c (exact_real_truncate): Return false if the format cannot
5381         represent the number as a normal.
5382
5383         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5384         for a memory source.
5385
5386 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5387
5388         * tree-ssa-operands.c (swap_tree_operands): Export.
5389         * tree.h (swap_tree_operands): Declare.
5390         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5391         Call swap_tree_operands.
5392
5393 2005-09-19  Richard Henderson  <rth@redhat.com>
5394
5395         * tree-flow.h (merge_alias_info): Declare.
5396         * tree-ssa-copy.c (merge_alias_info): Export.
5397         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5398         (vect_create_data_ref_ptr): Use create_iv directly.
5399         (vectorizable_load): Use correct types for integer constants.
5400         (vect_generate_tmps_on_preheader): Likewise.
5401         (vect_gen_niters_for_prolog_loop): Likewise.
5402
5403 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5404
5405         PR rtl-optimization/23943
5406         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5407
5408 2005-09-18  Jan Hubicka  <jh@suse.cz>
5409
5410         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5411
5412 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5413
5414         * varasm.c (output_constant): Do not abort on conversions to union
5415         types between different sizes.
5416
5417 2005-09-18  Richard Guenther  <rguenther@suse.de>
5418
5419         PR middle-end/23944
5420         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5421         fallback.
5422
5423 2005-09-18  Paul Brook  <paul@codesourcery.com>
5424
5425         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5426
5427 2005-09-17  Richard Henderson  <rth@redhat.com>
5428
5429         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5430         * tree-ssa-loop.c (pass_vect_dce): Remove.
5431         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5432         of pass_vectorize.
5433
5434 2005-09-17  Richard Henderson  <rth@redhat.com>
5435
5436         * tree-pass.h (pass_vect_dce): Declare.
5437         * passes.c (init_optimization_passes): Add it.
5438         * tree-flow.h (tree_ssa_dce): Declare.
5439         * tree-ssa-dce.c (tree_ssa_dce): Export.
5440         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5441         (gate_tree_vectorize): ... here.
5442         (pass_vect_dce): New.
5443
5444 2005-09-17  Jan Hubicka  <jh@suse.cz>
5445
5446         * except.c (struct eh_status): Turn region_array into vec.
5447         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5448         convert_from_eh_region_ranges, find_exception_handler_labels,
5449         current_function_has_exception_handlers, assign_filter_values,
5450         build_post_landing_pads, dw2_build_landing_pads,
5451         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5452         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5453         foreach_reachable_handler, can_throw_internal_1,
5454         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5455         region_array.
5456         (duplicate_eh_region_1): Update region_array.
5457         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5458
5459 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5460
5461         PR middle-end/22067
5462         * expmed.c (expand_mult): Substitute simple register for op0 when
5463         computing max_cost.
5464
5465 2005-09-17  Richard Henderson  <rth@redhat.com>
5466
5467         * expr.c (emit_move_via_integer): Add force argument, pass it on
5468         to emit_move_change_mode.  Update callers.
5469         (emit_move_complex): Pass true to new force argument.
5470         * function.c (expand_function_end): Move expand_eh_return call
5471         earlier.  Merge sub-word complex values into a pseudo before
5472         copying to the return hard register.
5473
5474 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5475
5476         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5477         between different sizes.
5478
5479 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5480
5481         PR 23903
5482
5483         * passes.c (init_optimization_passes): Register dump files for
5484         IPA passes first.
5485
5486 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5487
5488         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5489         * config/s390/s390.c (s390_overlap_p): New function.
5490         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5491         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5492         condition.
5493
5494 2005-09-16  Richard Guenther  <rguenther@suse.de>
5495
5496         * ipa-pure-const.c (static_execute): Free auxiliar information.
5497         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5498         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5499
5500 2005-09-15  DJ Delorie  <dj@redhat.com>
5501
5502         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5503
5504 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5505
5506         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5507         to order operands.
5508         (swap_commutative_operands_with_target): New.
5509
5510 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5511
5512         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5513         parameter.
5514         Update callers.
5515         (estimate_iters_using_array): New function.
5516         * tree-data-ref.h (estimate_iters_using_array): Prototype
5517         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5518         Use estimate_iters_using_array instead of analyze_array.
5519
5520 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5521
5522         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5523         as addressable.
5524
5525 2005-09-15  Michael Matz  <matz@suse.de>
5526
5527         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5528
5529 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5530
5531         PR tree-optimization/23835
5532         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5533         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5534
5535 2005-09-14  Richard Henderson  <rth@redhat.com>
5536
5537         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5538         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5539
5540 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5541
5542         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5543         in the ARRAY_TYPE case.
5544
5545 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5546
5547         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5548
5549 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5550
5551         PR middle-end/22480
5552         * tree-vect-transform.c (vectorizable_operation): Return false for
5553         scalar shift operations and for vector shift operations with
5554         non-invariant shift arguments.  Use scalar tree operand op1 as
5555         a shift operand when vector shift insn pattern uses scalar shift
5556         operand.
5557         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5558
5559 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5560
5561         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5562         value if it has side-effects.
5563
5564 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5565
5566         PR target/22068
5567         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5568
5569 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5570
5571         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5572         passed as NAME as if it were label at start of function code.
5573
5574 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5575
5576         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5577         the constraints.
5578
5579 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5580
5581         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5582         as early clobber.  Rewrite so the PIC register is not implicitly used.
5583
5584 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5585
5586         * tree.c (annotate_with_file_line): Compare line numbers before
5587         file names.
5588
5589 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5590
5591         PR target/23816
5592         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5593         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5594
5595 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5596
5597         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5598         than a HOST_WIDEST_INT to gen_doloop_begin.
5599
5600 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5601
5602         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5603
5604 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5605
5606         PR tree-optimize/23817
5607         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5608
5609 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5610
5611         PR target/23774
5612         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5613         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5614         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5615         (restore_stack_nonlocal): Likewise.
5616         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5617
5618 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5619
5620         PR g++/7874
5621         * c.opt (ffriend-injection): New C++ option.
5622         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5623         (C++ Dialect Options): Document -ffriend-injection.
5624
5625 2005-09-12  Josh Conner  <jconner@apple.com>
5626
5627         PR middle-end/23237
5628         * ipa-reference.c (static_execute): Don't mark variables in
5629         named sections TREE_READONLY.
5630
5631 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5632
5633         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5634         stack_tie.
5635
5636 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5637
5638         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5639         V_MUST_DEF instead of just the first_use_p.
5640         Don't mark the virtual variables for renaming on the statement which
5641         is being removed.
5642         (pass_dse): Remove TODO_update_ssa.
5643
5644 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5645
5646         PR middle-end/23290
5647         * stor-layout.c (compute_record_mode): For records with a single
5648         field, actually check the field's mode size against the type size.
5649
5650         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5651         registers for TARGET_SHMEDIA.
5652         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5653         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5654         of GENERAL_REGS and FP_REGS.
5655
5656 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5657
5658         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5659
5660 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5661
5662         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5663         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5664         are omitted.  Exclude stack_tie insn too.
5665
5666 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5667
5668         PR rtl-optimization/23098
5669         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5670         0.0f is easy.
5671         * config/rs6000/rs6000.md (movdf splitter): Use
5672         const_double_operand predicate for TARGET_POWERPC64.
5673         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5674         SYMBOL_REF method to ABI_V4.
5675
5676         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5677         replace_equiv_address.
5678         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5679         rs6000_sr_alias_set and MEM_NOTRAP.
5680         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5681
5682 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5683
5684         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5685         handle CALL_EXPR again.
5686
5687 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5688
5689         * arm/predicates.md (alignable_memory_operand): Delete.
5690
5691 2005-09-10  Richard Henderson  <rth@redhat.com>
5692
5693         PR debug/23806
5694         * dbxout.c (dbxout_expand_expr): New.
5695         (dbxout_symbol): Use it.
5696
5697 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5698
5699         * arm.c (arm_gen_rotated_half_load): Delete.
5700         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5701         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5702         (thumb_set_return_address): Likewise.
5703         (thumb_load_double_from_address): Use adjust_address.
5704         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5705         (extendhsisi2_mem, movhi_bytes): Use change_address.
5706         (movhi): Use widen_memory_access.
5707         (reload_out_df): Use replace_equiv_address.
5708         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5709
5710 2005-09-09  Richard Henderson  <rth@redhat.com>
5711
5712         PR debug/20998
5713         * dbxout.c: Include expr.h.
5714         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5715         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5716         * Makefile.in (dbxout.o): Add EXPR_H.
5717
5718 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5719
5720         PR tree-optimization/23509
5721         * tree-cfg.c (replace_uses_by): Use replace_exp.
5722         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5723         pointers have name_mem_tag or type_mem_tag set.
5724
5725 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5726
5727         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5728         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5729         of wrongly accessing operands.
5730
5731 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5732
5733         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5734         * tree-chrec.c: Include tree-scalar-evolution.h.
5735         (chrec_convert): Instantiate the base and step before calling
5736         scev_probably_wraps_p that would fail on parametric evolutions.
5737         Collect all the fails into a single section failed_to_convert,
5738         print a diagnostic, and return chrec_dont_know instead of calling
5739         fold_convert.
5740         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5741         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5742         phi nodes.
5743         (scev_const_prop): Don't replace the definition of a loop closed ssa
5744         phi node by itself, or by another loop closed ssa phi node.
5745         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5746         that base and step are defined.
5747
5748 2005-09-09  Richard Guenther  <rguenther@suse.de>
5749
5750         PR c++/23624
5751         * fold-const.c (fold_ternary): Check truth_value_p before
5752         calling invert_truthvalue.
5753
5754 2005-09-09  Nick Clifton  <nickc@redhat.com>
5755
5756         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5757         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5758         dimension of these arrays.
5759         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5760         these arrays.
5761         * longlong.h: Only provide a prototype for the __clz_tab[] array
5762         if this header has not been included from libgcc2.h.
5763         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5764         defining own types.
5765         Provide prototypes for exported functions.
5766         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5767         libgcc2.c.
5768
5769 2005-09-08  Josh Conner  <jconner@apple.com>
5770
5771         PR c++/21135
5772         PR c++/23180
5773         * expr.c (expand_expr_addr_expr_1): Don't invoke
5774         expand_simple_binop for EXPAND_INITIALIZER.
5775
5776 2005-09-08  Richard Henderson  <rth@redhat.com>
5777
5778         PR debug/23190
5779         * toplev.c (wrapup_global_declaration_1): Split out ...
5780         (wrapup_global_declaration_2): ... from ...
5781         (wrapup_global_declarations): ... here.  Return bool.
5782         (check_global_declaration_1): Split out ...
5783         (check_global_declarations): from here.
5784         (emit_debug_global_declarations): New.
5785         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5786         check_global_declaration_1, emit_debug_global_declarations): Declare.
5787         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5788         of decls.  Call wrapup_global_declaration_1,
5789         wrapup_global_declaration_2, check_global_declaration_1 directly.
5790         (c_write_global_declarations_2): New.
5791         (ext_block): New.
5792         (c_write_global_declarations): Call c_write_global_declarations_2.
5793         * langhooks.c (write_global_declarations): Call
5794         emit_debug_global_declarations.
5795
5796         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5797         remove decls that have DECL_RTL_SET_P.
5798         * passes.c (rest_of_decl_compilation): Invoke
5799         cgraph_varpool_finalize_decl for all but functions.
5800
5801 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5802
5803         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5804         the result of a conversion if the new min and max cannot be compared.
5805
5806 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5807
5808         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5809         (override_options): Setting s390_sr_alias_set removed.
5810         (save_fpr, save_gprs): Set alias set to vararg or frame.
5811         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5812         s390_sr_alias_set with get_frame_alias_set ().
5813         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5814         get_varargs_alias_set ().
5815
5816 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5817
5818         PR objc/20574
5819         PR objc/19324
5820         * c-parser.c (c_parser_objc_method_definition): If the next
5821         token is not "{", error out and don't start the function.
5822
5823 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5824
5825         * tree-vrp.c (extract_range_from_expr): Move the check for non
5826         nullness after the check for gimple invariant.
5827
5828 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5829
5830         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5831
5832 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5833
5834         PR target/23747
5835         * config/m32r.md (movmemsi_internal): Canonicalize order of
5836         operands in PLUS component of template.
5837
5838 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5839
5840         * reload1.c (fixup_eh_region_note): Remove assertion.
5841         (fixup_abnormal_edges): Reverted removal of call to
5842         find_many_sub_basic_blocks made on 2005-08-31.
5843
5844 2005-09-07  Richard Henderson  <rth@redhat.com>
5845
5846         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5847         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5848         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5849         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5850         rearrange for better packing.
5851         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5852         (lookup_cfa_1): Remove inline marker.
5853         (cfa_equal_p): Split out of ...
5854         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5855         (build_cfa_loc): Handle !cfa->indirect.
5856         (frame_pointer_cfa_offset): New.
5857         (dbx_reg_number): Assert register elimination performed; do
5858         leaf register remapping.
5859         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5860         (eliminate_reg_to_offset): New.
5861         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5862         for verifiably local stack frame addresses; re-base to CFA.
5863         (mem_loc_descriptor): Remove can_use_fbreg argument.
5864         (concat_loc_descriptor, loc_descriptor): Likewise.
5865         (containing_function_has_frame_base): Remove.
5866         (rtl_for_decl_location): Don't do register elimination or
5867         leaf register remapping here.
5868         (secname_for_decl): Split out from ..
5869         (add_location_or_const_value_attribute): ... here.
5870         (convert_cfa_to_loc_list): New.
5871         (compute_frame_pointer_to_cfa_displacement): New.
5872         (gen_subprogram_die): Use them.
5873         * tree.h (frame_base_decl): Remove.
5874         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5875         (prologue_stack_adjust): Remove.
5876         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5877         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5878         (set_frame_base_location): Remove.
5879         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5880         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5881         (vt_add_function_parameters): Don't eliminate_regs.
5882         (vt_initialize): Don't create frame_base_decl.
5883
5884 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5885
5886         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5887         version of GNU binutils for 4.x and later.
5888
5889 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5890
5891         * ggc-page.c (ggc_push_context): Remove.
5892         (ggc_pop_context): Likewise.
5893         * ggc.h (ggc_push_context): Remove.
5894         (ggc_pop_context): Likewise.
5895
5896 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5897
5898         PR target/8973
5899         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5900         returning from an interrupt handler.
5901
5902 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5903
5904         PR target/8972
5905         * config/arc/arc.c (output_shift): Add check for loop count when
5906         optimizing.
5907
5908 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5909
5910         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5911         form manually.
5912         (abs_replacement): Likewise.
5913         (pass_phiopt): Remove TODO_update_ssa.
5914
5915 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5916
5917         PR c/23075
5918         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5919         if "return with no value, in function returning non-void" warning
5920         has been issued.
5921         * tree-cfg.c (execute_warn_function_return): Don't look at
5922         RETURN_EXPRs with TREE_NO_WARNING set.
5923
5924         PR target/22362
5925         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5926         for internal functions doesn't use registers used by global registers
5927         variables.  Use fewer register parameters if there are global register
5928         variables.
5929
5930 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5931             Eric Botcazou  <ebotcazou@adacore.com>
5932
5933         PR middle-end/14997
5934         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5935         when we would be extracting outside its bit span (bitpos+bitsize
5936         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5937         Ada unchecked conversions.
5938
5939 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5940
5941         * tree-ssa-pre.c (try_look_through_load): New function.
5942         (compute_avail): Use it to try to look through loads for some
5943         more useful expressions.
5944
5945 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5946
5947         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5948         condition for detecting cases like (a&a) and (a^a).
5949
5950 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5951
5952         * common.opt: Add option ftree-vect-loop-version.
5953         * params.def: Add --param vect-max-version-checks.
5954         * doc/invoke.texi: Document ftree-vect-loop-version and
5955         --param vect-max-version-checks.
5956         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5957         may_misalign_stmts and defines for accessors.
5958         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5959         LOOP_VINFO_MAY_MISALIGN_STMTS.
5960         (destroy_loop_vec_info): VEC_free for
5961         LOOP_VINFO_MAY_MISALIGN_STMTS.
5962         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5963         Update documentation.
5964         (vect_update_misalignment_for_peel): New.
5965         (vect_enhance_data_refs_alignment): Update to choose loop
5966         peeling or loop versioning if appropriate for the (potentially)
5967         unaligned data references in the loop.
5968         (vect_analyze_data_refs_alignment): Remove call to
5969         vect_enhance_data_refs_alignment so the checks can be done
5970         earlier.
5971         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5972         and move up call to vect_analyze_data_refs_alignment.
5973         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5974         (vect_transform_loop): Add call to loop_version.
5975
5976 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5977
5978         PR rtl-optimization/23098
5979         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5980         * simplify-rtx.c (constant_pool_reference_p): New function.
5981         * rtl.h (constant_pool_reference_p): New prototype.
5982         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5983         constant_pool_reference_p in condition and
5984         avoid_constant_pool_reference in preparation statements.
5985
5986 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5987
5988         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5989         STRICT_LOW_PART SETs.
5990
5991 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5992
5993         PR middle-end/21460
5994         * except.c (sjlj_emit_function_enter): Find the function begin
5995         note even when it's not in first basic block.
5996
5997 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5998
5999         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6000         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6001         * aclocal.m4: Regenerate.
6002
6003 2005-09-05  DJ Delorie  <dj@redhat.com>
6004
6005         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6006         of macro.
6007
6008 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6009
6010         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6011         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6012         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6013         Follow spelling conventions.
6014         * doc/invoke.texi: Follow spelling conventions.
6015
6016 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6017
6018         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6019         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6020         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6021
6022 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6023
6024         PR target/23683
6025         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6026         (output_stack_adjust): Use gen_tmp_stack_mem.
6027         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6028         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6029         (sh_get_pr_initial_val): Likewise.
6030         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6031         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6032         * sh.md (divsi_inv_m0): Use gen_const_mem.
6033         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6034         (movdf_i4+1): Use gen_tmp_stack_mem.
6035         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6036         (fpu_switch+2): Likewise.
6037         (movv4sf_i, movv16sf_i): Use adjust_address.
6038         (symGOT_load): Set MEM_NOTRAP_P bit.
6039
6040 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6041
6042         PR target/23721
6043         * pa.c (emit_move_sequence): Fix typo in last change.
6044
6045 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6046
6047         PR rtl-optimization/23454
6048         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6049         is true.
6050
6051 2005-09-03  Richard Henderson  <rth@redhat.com>
6052             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6053
6054         PR middle-end/23671
6055         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6056         gen_rtx_MEM.
6057
6058 2005-09-02  Nicolas Pitre <nico@cam.org>
6059
6060         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6061         to bit_count to 32 bits.
6062
6063 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6064
6065         PR c++/23167
6066         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6067         generating synthetic loads from volatile lvalues.
6068
6069 005-09-02  Nick Clifton  <nickc@redhat.com>
6070
6071         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6072         __ctzhi2, __clzhi2): New functions.
6073
6074 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6075
6076         PR middle-end/23547
6077         * tree-nested.c (struct var_map_elt): Mark with GTY.
6078         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6079         var_map_elt.
6080         (lookup_field_for_decl): Allocate new element in GC memory.
6081         (lookup_tramp_for_decl): Likewise.
6082         (convert_nl_goto_reference): Likewise
6083         (create_nesting_tree): Allocate info in GC memory. Likewise for
6084         info->var_map.
6085         (free_nesting_tree): Free with ggc_free instead of free.
6086         (root): New static variable.
6087         (lower_nested_functions): Remove root as local variable.  And zero out
6088         root at the end of the function.
6089
6090 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6091
6092         PR rtl-optimization/20365
6093         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6094         to short.  New member ix.
6095         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6096         (simplify_plus_minus): Initialize ix members before calling qsort.
6097
6098 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6099
6100         PR tree-optimization/23626
6101         * tree-cfg.c (replace_uses_by): Clean up eh info.
6102
6103 2005-09-01  DJ Delorie  <dj@redhat.com>
6104
6105         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6106         fprintf.
6107
6108 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6109
6110         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6111         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6112         gen_rtx_MEM.
6113
6114 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6115
6116         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6117         do not issue warning for a variable definition following
6118         a declaration.
6119
6120 2005-09-01  Richard Henderson  <rth@redhat.com>
6121
6122         PR 23668
6123         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6124         conversion to CONST_VECTOR.
6125
6126 2005-09-01  Richard Henderson  <rth@redhat.com>
6127
6128         PR 23676
6129         * reload1.c (reload_as_needed): Check !CALL_P before calling
6130         fixup_eh_region_note.
6131         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6132
6133 2005-09-01  DJ Delorie  <dj@redhat.com>
6134
6135         * varasm.c (output_constant): Let the target resolve
6136         conversions of addresses to non-default pointer sizes.
6137
6138 2005-09-01  Nicolas Pitre <nico@cam.org>
6139
6140         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6141         to alow matching ARM pre-indexed addressing mode.
6142         (arm_override_options): Remove now irrelevant comment.
6143
6144 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6145
6146         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6147         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6148         * config/i386/vxworks.h:  Likewise.
6149         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6150         * config/i386/vxworksae.h:  Likewise.
6151
6152 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6153
6154         PR tree-optimization/23410
6155         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6156         sequence is not wrapping during the first step.
6157
6158 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6159
6160         PR debug/7241
6161         * dwarf2out.c (base_type_die): Compare char_type_node with
6162         TYPE_MAIN_VARIANT (type), not type.
6163
6164 2005-09-01  Richard Guenther  <rguenther@suse.de>
6165
6166         PR tree-optimization/15366
6167         * common.opt: Add -finline-functions-called-once.
6168         Put -fearly-inlining in alphabetically ordered place.
6169         * doc/invoke.texi: Document new option.
6170         * ipa-inline.c (cgraph_decide_inlining): Honour
6171         flag_inline_functions_called_once.
6172
6173 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6174
6175         PR rtl-optimization/23478
6176         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6177         (alloc_qty): Initialize it.
6178         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6179         (combine_regs): Combine also n_throwing_calls_crossed fields.
6180         (find_free_reg): Don't attempt to caller-save pseudos crossing
6181         calls that might throw.
6182         * global.c (struct allocno): Add throwing_calls_crossed field.
6183         (global_alloc): Revert 2005-08-22 change.  Initialize
6184         throwing_calls_crossed.
6185         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6186         might throw.
6187
6188 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6189
6190         PR target/23649
6191         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6192         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6193         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6194         (and64_2_operand): Tweak to use predicate.
6195         (and_operand): Adjust for mask_operand changes.
6196         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6197         (print_operand): Likewise.
6198         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6199         (mask64_1or2_operand): Delete.
6200         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6201         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6202         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6203         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6204         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6205         (rotldi3_internal4): Likewise.
6206         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6207         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6208         (ashldi3_internal7): Likewise.
6209         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6210         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6211         (anddi3 split): Don't match mask64_operand.
6212         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6213         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6214         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6215         't' splitter predicate.
6216         (movdi_internal64 + 2): Revert 2005-06-11 change.
6217
6218 2005-08-31  DJ Delorie  <dj@redhat.com>
6219
6220         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6221         (m32c_asm_integer): Add support for 32 bit pointers.
6222
6223 2005-08-31  Richard Henderson  <rth@redhat.com>
6224
6225         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6226         component-like references for setting MEM_NOTRAP_P.
6227
6228         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6229         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6230
6231 2005-08-31  Richard Henderson  <rth@redhat.com>
6232
6233         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6234         into a pseudo before applying gen_lowpart.
6235
6236 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6237
6238         * doc/install.texi (Specific): Update cctools version required
6239         for full functionality.
6240         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6241         linkers as -macosx_version_min.
6242
6243 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6244
6245         PR target/21255
6246         * sh.c (print_operand, %R and %S): Add handling of floating point
6247         registers, memory, constants and invalid operands.
6248
6249 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6250
6251         * ipa-pure-const.c: Change dump name.
6252
6253 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6254
6255         PR target/23570
6256         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6257         to "reg_or_0_operand".
6258         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6259
6260 2005-08-31  Dale Johannesen  <dalej@apple.com>
6261
6262         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6263         loops that count down.
6264
6265 2005-08-31  Richard Henderson  <rth@redhat.com>
6266
6267         PR rtl-opt/23601
6268         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6269         (fixup_eh_region_note): New.
6270         (reload_as_needed): Call it.
6271         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6272         don't call find_many_sub_basic_blocks; call verify_flow_info.
6273         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6274         (keep_stack_depressed): Likewise.
6275         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6276
6277 2005-08-31  Richard Henderson  <rth@redhat.com>
6278
6279         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6280         fp return matching.
6281
6282 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6283
6284         * expr.c (expand_expr_real_1): Compare size of address
6285         mode to target's address mode size in deciding expansion of
6286         the constant address.
6287
6288 2005-08-31  Richard Guenther  <rguenther@suse.de>
6289
6290         PR middle-end/23477
6291         * expr.c (all_zeros_p): New function.
6292         (expand_expr_real_1): Handle the case of an all-zero
6293         non-addressable constructor separately.
6294
6295 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6296
6297         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6298         arguments, adjust all callers.
6299         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6300
6301 2005-08-30  Richard Henderson  <rth@redhat.com>
6302
6303         PR target/23630
6304         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6305         whenever the mode sizes match.
6306
6307 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6308
6309         * calls.c (load_register_parameters): Fix comment typo.
6310         * expr.c (emit_push_insn): Comment formatting.
6311
6312 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6313
6314         * config/i386/x-cygwin (host-cygwin): Change dependency from
6315         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6316
6317 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6318
6319         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6320         parts of 'vals'.
6321
6322 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6323
6324         PR middle-end/23408
6325         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6326         call to ggc_collect.
6327
6328 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6329
6330         PR bootstrap/21268
6331         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6332         beginning.  Remove $(INCLUDES) from all the rules, if following
6333         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6334
6335 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6336
6337         PR middle-end/23484
6338         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6339         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6340         not constant, but maxlen is, don't set len to maxlen, rather
6341         set maxlen to len if len is a constant.
6342
6343 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6344
6345         PR tree-optimization/23475
6346         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6347         and counts.
6348
6349 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6350
6351         Fix PR middle-end/22455
6352
6353         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6354         Checksum only the parts of the tree that exist for the tree code.
6355
6356 2005-08-28  Dale Johannesen  <dalej@apple.com>
6357
6358         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6359
6360 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6361
6362         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6363
6364 2005-08-28  Richard Henderson  <rth@redhat.com>
6365
6366         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6367         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6368         of char_type_node.
6369
6370 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6371
6372         PR ada/23593
6373         * builtins.c (get_memory_rtx): Don't strip nops
6374         in between COMPONENT_REFs.
6375
6376 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6377
6378         PR middle-end/23463
6379         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6380         types.
6381         (gimplify_modify_expr): Check for zero sized types and gimplify the
6382         rhs and lhs as statements.
6383
6384 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6385
6386         PR libgcj/23508
6387         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6388         state for return address column of signal frames.
6389
6390 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6391
6392         PR target/23539
6393         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6394         bytes >= 2 not bytes == 2.
6395         (expand_block_move): Same.
6396
6397 2005-08-27  Richard Guenther  <rguenther@suse.de>
6398
6399         PR target/23575
6400         * config/i386/sse.md (sse2_movsd): Add missing closing
6401         braces.
6402
6403 2005-08-27  Paul Brook  <paul@codesourcery.com>
6404
6405         * genrecog.c (enum decision_type): Add DT_num_insns.
6406         (struct decision_test): Add u.num_insns.
6407         (add_to_sequence): Add DT_num_insns test.
6408         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6409         (write_cond, debug_decision_2): Ditto.
6410         (change_state): Assume peep2_next_insn never fails.
6411         Remove "afterward" argument.
6412         (write afterward, write_tree): Update to match.
6413         * recog.c (peep2_current_count): New variable.
6414         (peep2_next_insn): Check it.
6415         (peephole2_optimize): Set peep2_current_count.
6416         * recog.h (peep2_current_count): Declare.
6417
6418 2005-08-26  Josh Conner  <jconner@apple.com>
6419
6420         PR middle-end/23584
6421         * ipa-pure-const.c (check_tree): Check for volatile-ness
6422         when considering a dereference.
6423
6424 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6425
6426         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6427
6428 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6429
6430         PR rtl-optimization/23561
6431         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6432         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6433         at most LEN bytes long memory fits into the field.
6434         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6435         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6436         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6437
6438 2005-08-26  Richard Henderson  <rth@redhat.com>
6439
6440         PR rtl-opt/23560
6441         * loop.c (biased_biv_may_wrap_p): New.
6442         (maybe_eliminate_biv_1): Use it to suppress non-equality
6443         comparison transformations.  Delete disabled code.
6444
6445 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6446
6447         * combine.c (make_extraction): Avoid reference outside object.
6448
6449 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6450
6451         * stor-layout.c (finalize_type_size): Restore behaviour for
6452         non-aggregate types to the status quo ante of the patch for
6453         pr 23467.  Document why it matters.
6454
6455 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6456
6457         PR c/23506
6458         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6459         array by one element, initialize the BT_LAST element with NULL.
6460
6461 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6462
6463         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6464         optimizing for size.
6465         (plus_eqsi): Same.
6466         (compare_plus_eqsi): Same.
6467         (plus_eqsi_compare): Same.
6468         (neg_eq0<mode>): Same.
6469         (neg_eq<mode>): Same.
6470
6471         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6472         PROCESSOR_POWER4.
6473
6474 2005-08-26  Nick Clifton  <nickc@redhat.com>
6475
6476         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6477         TARGET_EP is not defined.
6478         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6479         TARGET_EP is enabled.
6480         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6481         * config/v850/v850.md (save_all_interrupt): Only use the EP
6482         register if TARGET_EP is defined.
6483         (restore_all_interrupt): Likewise.
6484         * config/v850/lib1funcs.asm: Update functions so that the EP
6485         register is only used if __EP__ is defined.
6486
6487 2005-08-26  David Ung  <davidu@mips.com>
6488
6489         * config/mips/mips.c (mips_expand_prologue): Handle case when
6490         generating for MIPS16 and the outgoing argument area is more than
6491         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6492         add instruction.
6493
6494 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6495
6496         * config/crx/crx.md: Make doloop_end pattern usage controllable
6497         via mloop-nesting=<max-nesting> command line switch. Make sure
6498         the combiner cannot use doloop_end_<mode> in an illegal way.
6499         * config/crx/crx.c: Use regs up to r6 for argument passing.
6500         Refine crx_address_cost (non cst4 displacements are expensive).
6501         * config/crx/crx.opt: Add switch for mloop-nesting=.
6502
6503 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6504
6505         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6506         (UNSPEC_MVST): New constant.
6507
6508 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6509
6510         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6511         Reject operands containing eliminable registers.
6512         * testsuite/gcc.dg/20050825-1.c: New testcase.
6513
6514 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6515             Jan Hubicka  <jh@suse.cz>
6516
6517         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6518
6519 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6520
6521         PR tree-optimization/23546
6522         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6523         and REAL_CST nodes.
6524
6525 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6526
6527         * params.def (PARAM_MIN_SPEC_PROB): New.
6528         * sched-rgn.c (MIN_PROBABILITY): Delete.
6529         (compute_trg_info): Convert to PARAM_VALUE.
6530         * doc/invoke.texi (param): Document min-spec-prob.
6531
6532 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6533
6534         * config/darwin.h: define __PIC__
6535         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6536         TARGET_OS_CPP_BUILTINS macro.
6537
6538 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6539
6540         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6541         yesterday.
6542
6543 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6544
6545         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6546         to duplicate_block.
6547         * cfghooks.c (duplicate_block): Added position where to place
6548         new block as argument.
6549         * cfghooks.h (duplicate_block): Declaration changed.
6550         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6551         duplicate_block.
6552         * cfglayout.h (copy_bbs): Declaration changed.
6553         * cfgloop.h (loop_version): Declaration changed.
6554         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6555         position to copy_bbs.
6556         (loop_version): Pass position to duplicate_loop_to_header_edge.
6557         Add place_after argument and position new blocks according to
6558         it.
6559         * modulo-sched.c (sms_schedule): Pass place_after argument
6560         to loop_version.
6561         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6562         * tree-cfg.c (split_edge_bb_loc): New function.
6563         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6564         to determine position of new blocks.
6565         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6566         to loop_version.
6567         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6568         argument to duplicate_block.
6569         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6570         Pass position to copy_bbs.
6571
6572 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6573
6574         * fold-const.c (ptr_difference_const): Use
6575         cst_and_fits_in_hwi instead of host_integerp.
6576
6577 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6578
6579         * config/darwin.c (gen_pic_offset): New.
6580         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6581         Use it.
6582
6583 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6584
6585         PR tree-optimization/23486
6586         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6587
6588 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6589
6590         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6591         remove use_collect2.
6592         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6593
6594         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6595         configuration files to override the default value.
6596
6597         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6598         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6599         * config/vx-common.h:  New file, split out from...
6600         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6601         * config/vxworksae.h:  New file, for VxWorks AE.
6602         * config/vxworks.opt:  New file.
6603         * config/vxlib.c:  Update for VxWorks 6.
6604
6605         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6606         other MULTILIB_* variables appropriately.
6607         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6608         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6609         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6610         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6611
6612 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6613
6614         PR target/20799
6615         * config/darwin.c (machopic_select_section): Remove the hack to
6616         mark "::operator new" and "::operator delete" for coalescing
6617         even though they are not weak.
6618
6619 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6620
6621         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6622         * configure: Regenerate.
6623
6624 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6625
6626         PR middle-end/23517
6627         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6628         between vectors.
6629         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6630         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6631         Likewise.
6632
6633 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6634
6635         * config/rs6000/predicates.md (equality_operator): New.
6636         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6637         comparison with a large constant.
6638
6639 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6640
6641         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6642
6643 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6644
6645         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6646         registers is even, and we have a hardware double precision fp,
6647         align the buffer.
6648         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6649         size of current argument when checking if argument was passed in
6650         registers.
6651
6652         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6653
6654         PR middle-end/23467
6655         * stor-layout.c (finalize_type_size): Dont override
6656         existing alignment with a smaller alignment from the mode.
6657
6658 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6659
6660         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6661         * lambda.h (lambda_vector_lexico_pos): ... here.
6662         * tree-data-ref.c (build_classic_dist_vector): Return false when
6663         the distance vector is lexicographically negative.
6664
6665 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6666
6667         PR tree-optimization/23511
6668         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6669         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6670
6671 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6672
6673         PR tree-optimization/22043
6674         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6675         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6676         If ALLOW_FLEXARR, handle types ending with flexible array member.
6677         Pass false as second argument to recursive count_type_elements calls.
6678         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6679         argument to count_type_elements call.
6680         * tree-sra.c (decide_block_copy): Likewise.
6681         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6682         for a constant-sized object, set cleared as well.  Pass true as
6683         second argument to count_type_elements call.
6684
6685 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6686
6687         PR target/21571
6688         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6689         from legitimate_small_data_p, and make global.  Update use.
6690         Remove forward declaration.
6691         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6692         Declare.
6693         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6694
6695 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6696
6697         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6698         of scratch intermediates.
6699         (eq<mode>_compare): Same.
6700         (neg_eq0<mode>): New.
6701         (neg_eq<mode>): Convert to define_insn_and_split.
6702
6703 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6704
6705         PR target/23070
6706         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6707         stdarg functions, set/clear the fp marker even when no variable
6708         args are passed.
6709         * config/rs6000/sysv4.opt (mprototype): Describe.
6710
6711 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6712
6713         PR rtl-optimization/23478
6714         * regs.h (reg_info): Add throw_calls_crossed.
6715         (REG_N_THROWING_CALLS_CROSSED): Define.
6716         * flow.c (allocate_reg_life_data): Initialize
6717         REG_N_THROWING_CALLS_CROSSED.
6718         (propagate_one_insn, attempt_auto_inc): Update
6719         REG_N_THROWING_CALLS_CROSSED.
6720         * global.c (global_alloc): Don't allocate pseudos across
6721         calls that may throw.
6722
6723 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6724
6725         PR c/18715
6726         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6727         value is inbetween the range if we did not find an exact match.
6728
6729 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6730
6731         * doc/invoke.texi (Option Summary): Add ms1 options.
6732         * doc/extend.texi: Document interrupt handler attribute for ms1.
6733         * doc/md.texi: Document ms1 constraints.
6734         * config.gcc: Add ms1-*-elf.
6735         * config/ms1/ms1.h: New.
6736         * config/ms1/ms1.c: New.
6737         * config/ms1/ms1.md: New.
6738         * config/ms1/ms1-protos.h: New.
6739         * config/ms1/ABI.txt: New.
6740         * config/ms1/crti.asm: New.
6741         * config/ms1/crtn.asm: New.
6742         * config/ms1/lib2extra-funcs.c: New.
6743         * config/ms1/t-ms1: New.
6744         * config/ms1/ms1.opt: New.
6745
6746 2005-08-22 Ira Rosen <irar@il.ibm.com>
6747
6748         * config/rs6000/altivec.md (xorv4sf3): New.
6749         (negv4sf2, neg<mode>2): Likewise.
6750
6751 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6752
6753         PR target/23485
6754         * config/ia64/ia64.md (divsi3): Check divide by zero.
6755         (udivsi3): Likewise.
6756         (divdi3): Likewise.
6757         (udivdi3): Likewise.
6758
6759 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6760
6761         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6762         up to elem_bitsize bits, not max_bitsize.
6763
6764 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6765
6766         PR tree-optimization/23433
6767         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6768         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6769
6770 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6771
6772         PR tree-optimization/23434
6773         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6774         the iteration bound is not an INTEGER_CST.
6775
6776 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6777
6778         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6779         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6780         NULL if need_epilog_adjust is false.
6781         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6782         Case 3 always peels first itration, not just for PLUS case, and no need
6783         to use scalar_initial_def here. Create an epilog adjustment only if
6784         scalar_initial_def is not NULL.
6785
6786         (vectorizable_reduction): Remove assert.
6787
6788 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6789
6790         PR target/23485
6791         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6792         (__moddi3): Likewise.
6793         (__udivdi3): Likewise.
6794         (__umoddi3): Likewise.
6795         (__divsi3): Likewise.
6796         (__modsi3): Likewise.
6797         (__udivsi3): Likewise.
6798         (__umodsi3): Likewise.
6799
6800 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6801
6802         * tree-pass.h (TDF_GRAPH): Define.
6803         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6804         * passes.c (finish_optimization_passes): Only call
6805         finish_graph_dump_file if TDF_GRAPH is set.
6806         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6807         NULL.  Set TDF_GRAPH bit.
6808         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6809
6810 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6811
6812         * arm.h (arm_stack_offsets): Add locals_base field.
6813         * arm.c (arm_get_frame_offsets): Compute it.
6814         (thumb_compute_initial_elimination offset): Make the Thumb frame
6815         pointer point to the base of the local variables.
6816         (thumb_expand_prologue): Update accordingly.
6817         (thumb_expand_epilogue): Likewise.
6818
6819         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6820         mode of clobbered scratch to DImode.  Handle a case that's known to
6821         need this.
6822
6823 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6824
6825         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6826         (gt0<mode>_compare): Delete.
6827         (neg_gt0<mode>): Delete.
6828
6829 2005-08-19  Eric Christopher  <echristo@apple.com>
6830
6831         * optabs.h: Change CTI_ to COI_.
6832         * optabs.c: Ditto.
6833
6834 2005-08-19  James E Wilson  <wilson@specifix.com>
6835
6836         * builtins.c (expand_builtin_return_addr): Set
6837         current_function_accesses_prior_frames when count != 0.  Use
6838         frame_pointer_rtx when count == 0.
6839         * function.h (struct function): Add accesses_prior_frames field.
6840         (current_function_accesses_prior_frames): Define.
6841         * reload1.c (init_elim_table): Check
6842         current_function_accesses_prior_frames.
6843         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6844
6845 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6846
6847         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6848         indicator.  Return true if the flowgraph changed during
6849         cleanup.
6850
6851 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6852
6853         PR 23476
6854         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6855         conditional expression before testing its value.
6856
6857 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6858
6859         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6860
6861 2005-08-19  Devang Patel  <dpatel@apple.com>
6862
6863         PR tree-optimization/23048
6864         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6865         third parameter. Check whether latch is dominated by exit
6866         block or not.
6867         (if_convertible_loop_p): Supply exit block itself to
6868         if_convertible_bb_p.
6869
6870 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6871
6872         PR target/23473
6873         * arm.md (arm_load_pic_register): Change argument to the mask of
6874         saved registers.  Call thumb_find_work_register if we need a
6875         scratch register on Thumb.
6876         (arm_expand_prologue): Pass empty register set to
6877         arm_load_pic_register.
6878         (thumb_expand_prologue): Pass live_regs_mask directly to
6879         arm_load_pic_register.
6880         * arm-protos.h (arm_load_pic_register): Update prototype.
6881
6882 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6883
6884         * sh.c (find_sole_member): New function.
6885         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6886         if the record's alignment is larger than the size of its only member.
6887
6888 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6889
6890         PR target/23436
6891         * arm.c (thumb_legitimize_reload_address): New function.
6892         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6893         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6894
6895 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6896
6897         * config/crx/crx.c: Implement crx_decompose_address. Reject
6898         symbolic displacements since CRX register relative adressing
6899         mode can't handle unsigned 32-bit values as displacements.
6900         * config/crx/crx.h: Simplify definitions, remove redundant
6901         parenthesis and obsolete macros.
6902         * config/crx/crx.opt: Add new switch for debugging addresses.
6903         * config/crx/crx-protos.h: Add new declarations for above.
6904
6905 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6906
6907         PR middle-end/20624
6908         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6909         looking past it.
6910
6911 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6912
6913         * collect2.c (dup2): Delete.
6914         * configure.ac: Don't check for dup2.
6915
6916         * config.in, configure: Regenerate.
6917
6918 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6919
6920         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6921         record with the type of its only member.
6922
6923 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6924
6925         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6926         define_insn_and_split.
6927         (plus_ltu<mode>_compare): Same.
6928         (gtu<mode>_compare): Same.
6929         (plus_gtu<mode>_compare): Same.
6930
6931 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6932
6933         PR tree-optimization/22228
6934         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6935         todo_flags_start.
6936         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6937         are recorded in vect_vnames_to_rename for renaming.
6938         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6939         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6940         in vect_vnames_to_rename.
6941         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6942         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6943
6944 2005-08-18  Jan Hubicka  <jh@suse.cz>
6945
6946         PR c++/22034
6947         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6948         info only for local statics, not for member variables.
6949
6950 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6951
6952         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6953
6954 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6955
6956         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6957
6958 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6959
6960         PR middle-end/16045
6961         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6962
6963 2005-08-17  James E Wilson  <wilson@specifix.com>
6964
6965         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6966         array size check.
6967
6968 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6969
6970         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6971         (leu<mode>_compare): Same.
6972         (plus_leu<mode>): Same.
6973         (neg_leu<mode>): Same.
6974         (and_neg_leu<mode): Same.
6975         (ltu<mode>_compare): Same.
6976         (plus_ltu<mode>): Same.
6977         (geu<mode>): Same.
6978         (geu<mode>_compare): Same.
6979         (plus_geu<mode>): Same.
6980         (neg_geu<mode>): Same.
6981         (and_neg_geu<mode>): Same.
6982         (plus_gt<mode>): Same.
6983         (gtu<mode>_compare): Same.
6984         (plus_gtu<mode>): Same.
6985
6986 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6987
6988         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6989         Move call_table_data to end.  Delete spurious .text.
6990         (callt_save_all_interrupt): Fix comment typo.
6991
6992 2005-08-17  James E Wilson  <wilson@specifix.com>
6993             Kevin Winchester  <winchester@amirix.com>
6994
6995         PR target/21684
6996         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6997
6998 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6999
7000         PR target/23268
7001         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7002         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7003
7004 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7005
7006         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7007         record with the type of its only member if the modes don't match.
7008
7009         * varasm.c (decode_reg_name): Skip empty additional register names.
7010
7011 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7012
7013         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7014         lsm_tmp_name_length): New.
7015         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7016         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7017
7018 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7019             Andreas Krebbel  <krebbel1@de.ibm.com>
7020
7021         * config.gcc: Added z9-109 switch.
7022         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7023         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7024         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7025         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7026         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7027         for "z9_109" cpu attribute.
7028         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7029         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7030         (s390_handle_arch_option): Added z9-109 switch.
7031         (override_options): Set respective cost function for z9-109.
7032         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7033         (legitimate_reload_constant_p): Accept extended immediates.
7034         (print_operand): Three new output modifiers added: k, m and o.
7035         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7036         (s390_output_mi_thunk): Use extended immediate when possible.
7037         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7038         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7039         (CONSTRAINT_LEN): Added length of O constraint.
7040         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7041         * config/s390/s390.md ("cpu"): New value z9_109 added.
7042         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7043         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7044         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7045         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7046         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7047         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7048         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7049         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7050         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7051         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7052         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7053         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7054         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7055         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7056         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7057         immediates.
7058         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7059         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7060         insns for TARGET_EXTIMM.
7061
7062 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7063
7064         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7065
7066 2005-08-17  Nick Clifton  <nickc@redhat.com>
7067
7068         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7069         Call default_encode_section_info.
7070
7071 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7072
7073         PR tree-optimization/21574
7074         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7075         constant, return CONSTANT.
7076         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7077         (ccp_fold, visit_assignment): Likewise.
7078         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7079
7080 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7081
7082         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7083         fold_buildN instead of buildN then fold_initializer or fold.
7084         (build_unary_op): Likewise.
7085         (build_binary_op): Likewise.
7086         * fold-const.c (fold_initializer): Remove.
7087         (fold_build1_initializer): New function.
7088         (fold_build2_initializer): New function.
7089         (fold_build3_initializer): New function.
7090         * tree.h (fold_initializer): Remove.
7091         (fold_build1_initializer): New function.
7092         (fold_build2_initializer): New function.
7093         (fold_build3_initializer): New function.
7094
7095 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7096
7097         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7098         (try_move_mult_to_index): Call fold_build2 instead of build2.
7099         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7100         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7101         fold_binary_to_constant.
7102         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7103         fold (build.
7104         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7105         check if A == gcd (A, B).  Remove TYPE argument.
7106         (analyze_offset) Use fold_build2 instead of fold (build.
7107         (create_data_ref): Likewise.
7108         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7109         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7110         then fold.
7111
7112 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7113
7114         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7115         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7116
7117 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7118
7119         PR tree-opt/23402
7120         * gimplify.c (zero_sized_type): New function.
7121         (gimplify_modify_expr_rhs): If we have a zero sized type,
7122         replace the statement with an empty statement.
7123
7124 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7125
7126         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7127         fxsave.
7128
7129 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7130
7131         * doc/tm.texi (Label Output): Correct typo.
7132
7133 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7134
7135         PR target/23376
7136         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7137         force_operand will work later on using have_insn_for.
7138
7139 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7140
7141         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7142
7143 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7144
7145         PR c++/23337
7146         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7147         vector type, don't try to construct it element by element.  Add an
7148         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7149
7150 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7151
7152         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7153
7154 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7155
7156         * doc/invoke.texi (Precompiled Headers): Document some more options
7157         which are known to be safe.
7158
7159 2005-08-16  James E Wilson  <wilson@specifix.com>
7160
7161         PR tree-optimization/21105
7162         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7163         TREE_OVERFLOW check.
7164
7165 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7166
7167         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7168         (neg_ltu<mode>): Same.
7169         (gtu<mode>): Same.
7170         (neg_gtu<mode>): Same.
7171
7172 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7173
7174         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7175         (fold_builtin_isdigit): Use fold_buildN.
7176         (build_function_call_expr): Likewise.
7177         * c-typeck.c (c_finish_loop): Likewise.
7178
7179 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7180             Richard Shann <rshann@superh.com>
7181
7182         PR middle-end/20396:
7183         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7184
7185 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7186
7187         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7188
7189 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7190
7191         PR target/23355
7192         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7193         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7194         must be saved.
7195
7196 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7197
7198         PR middle-end/23369
7199         * fold-const.c (build_range_check): Disable optimization for function
7200         pointer expressions on targets that require function pointer
7201         canonicalization.
7202
7203 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7204
7205         * simplify-rtx.c (simplify_const_relational_operation): When
7206         extracting arguments of a COMPARE, recompute the mode as well.
7207
7208 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7209
7210         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7211
7212 2005-08-15  DJ Delorie  <dj@redhat.com>
7213
7214         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7215         the stack.
7216         (movsi_splittable): Allow, but split, moves to the stack.
7217         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7218         stack.
7219
7220 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7221
7222         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7223         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7224         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7225
7226         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7227         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7228         Delete HOST_PTR_PRINTF.
7229
7230         * configure, config.in: Regenerate.
7231
7232 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7233
7234         * config/rs6000/rs6000.md (QHSI): New mode macro.
7235         (wd): Extend mode attr for QImode and HImode
7236         (dbits): New mode attr.
7237         (zero_extend<mode>di2): Convert to mode macro.
7238
7239 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7240
7241         PR target/21841
7242         * doc/invoke.texi (-mgnu-ld): Update description.
7243         (-mhp-ld): Ditto.
7244
7245 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7246
7247         PR 23391
7248         * Makefile.in (tree-chrec.o): Depends on real.h.
7249         * tree-chrec.c: Include real.h.
7250         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7251         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7252         * tree-scalar-evolution.c (add_to_evolution_1,
7253         interpret_rhs_modify_expr): Ditto.
7254
7255 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7256
7257         PR 23386
7258         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7259         step is negative compute the estimation from init downwards to zero.
7260
7261 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7262
7263         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7264
7265 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7266
7267         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7268         constraint.
7269         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7270         Accept double-word constants that can be split.
7271         * config/s390/s390.md ("movti"): Use 'P' constraint.
7272         ("*movdi_31", "*movdf_31"): Likewise.
7273
7274 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7275
7276         Fix PR tree-optimization/22615
7277
7278         * tree-ssa-structalias.c (solution_set_add): Handle
7279         first_vi_for_offset returning NULL.
7280         (do_da_constraint): Ditto.
7281         (do_sd_constraint): Ditto.
7282         (do_ds_constraint): Ditto
7283         (find_func_aliases): Ditto.
7284         (build_constraint_graph): RHS is allowed be ANYTHING.
7285         (first_vi_for_offset): Return NULL if we couldn't find anything at
7286         the offset.
7287
7288 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7289
7290         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7291         over memory as first operand.
7292
7293 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7294
7295         PR target/23360
7296         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7297         available for setting it.
7298
7299 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7300
7301         PR tree-optimization/23320
7302         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7303         data-refs' types instead of base object nullness. Add check for
7304         pointer type data-refs before first location comparison. Remove
7305         assert.
7306
7307 2005-08-14  Andreas Schwab  <schwab@suse.de>
7308
7309         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7310
7311 2005-08-13  James E Wilson  <wilson@specifix.com>
7312
7313         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7314         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7315         -fstack-protector-all, --param ssp-buffer-size): Document.
7316         (-Wvariadic-macros): Alphabetize.
7317         (-fsched-stalled-insns-dep): Add missing 'f'.
7318
7319         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7320         macros.
7321
7322 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7323
7324         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7325         or indirect address operand.
7326         (EXTRA_ADDRESS_CONSTRAINT): New.
7327         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7328
7329 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7330
7331         PR tree-optimization/22236
7332         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7333         successors and predecessors.
7334         * tree-chrec.c (chrec_convert): Before converting, check that
7335         sequences don't wrap.
7336         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7337         (analyze_array): Extern.
7338         (find_data_references_in_loop): Remove call to
7339         compute_estimated_nb_iterations.
7340         * tree-data-ref.h (analyze_array): Declared.
7341         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7342         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7343         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7344         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7345         condition.
7346         * tree-ssa-loop-ivcanon.c: Fix documentation.
7347         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7348         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7349         (infer_loop_bounds_from_undefined): New.
7350         (estimate_numbers_of_iterations_loop): Use
7351         infer_loop_bounds_from_undefined.
7352         (used_in_pointer_arithmetic_p): New.
7353         (scev_probably_wraps_p): Pass an extra parameter.  Call
7354         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7355         (convert_step): Fix documentation.
7356         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7357         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7358         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7359         scev_probably_wraps_p.
7360
7361 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7362
7363         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7364         (s390_register_info): Ignore clobbered_regs information for fixed
7365         registers, and only fixed registers.
7366         (s390_init_frame_layout): Remove redundant call.
7367
7368 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7369
7370         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7371         description of -Wold-style-casts.
7372
7373 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7374             Jakub Jelinek  <jakub@redhat.com>
7375
7376         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7377         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7378         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7379         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7380         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7381         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7382         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7383         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7384         ("stack_protect_set", "stack_protect_test"): New expanders.
7385         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7386         "stack_protect_testdi"): New insn definitions.
7387
7388 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7389
7390         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7391
7392 2005-08-12  Paul Brook  <paul@codesourcery.com>
7393
7394         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7395
7396 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7397
7398         * config/s390/predicates.md (setmem_operand): New predicate.
7399         (shift_count_operand): Accept ANDs with special constants as
7400         operand.
7401         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7402         with special constants.
7403         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7404         shift_count_operand with setmem_operand.
7405
7406 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7407
7408         * config/s390/s390.c (s390_extract_part, s390_single_part):
7409         Type cast added.
7410         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7411         (s390_output_mi_thunk): Don't use lg on 31 bit.
7412         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7413         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7414
7415 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7416
7417         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7418         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7419         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7420         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7421         with one of the new macros.
7422
7423 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7424
7425         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7426         Don't set save_return_addr_p.
7427         (s390_register_info): Make clobbered_regs not depending on
7428         save_return_addr_p.
7429
7430 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7431
7432         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7433         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7434
7435 2005-08-11  James E. Wilson  <wilson@specifix.com>
7436
7437         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7438
7439 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7440
7441         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7442         locations gathered by var-tracking in single entry loc_list
7443         over loc_descriptor_from_tree.
7444
7445         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7446         pass it down to loc_descriptor.
7447         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7448         (containing_function_has_frame_base): Move earlier in the file.
7449         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7450         instead of always assuming fbreg can't be used.
7451
7452 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7453
7454         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7455         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7456         Accept address wrapped in AND for Altivec.
7457         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7458         Strip AND wrapping offset address for Altivec.
7459
7460 2005-08-11  Richard Henderson  <rth@redhat.com>
7461
7462         PR middle-end/23312
7463         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7464         before using TYPE_IS_SIZETYPE.
7465
7466 2005-08-11  Richard Henderson  <rth@redhat.com>
7467
7468         PR target/22225
7469         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7470         insn types not present on ev4.
7471         (alphaev5_insn_pipe): Similarly.
7472
7473 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7474
7475         PR target/23250
7476         * arm.c (arm_override_options): If the user has selected callee-super-
7477         interworking, then enable normal interworking.
7478
7479 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7480
7481         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7482         redefinition.
7483
7484 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7485
7486         * doc/rtl.texi: Fix two typos.
7487
7488 2005-08-11  Richard Guenther  <rguenther@suse.de>
7489
7490         PR target/23289
7491         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7492         cases where we call to/from functions returning void.
7493
7494 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7495
7496         PR c++/23225
7497         * tree.c (build_pointer_type_for_mode): Robustify.
7498
7499 2005-08-10  James E Wilson  <wilson@specifix.com>
7500
7501         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7502         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7503
7504         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7505         "cum->".
7506
7507 2005-08-10  Eric Christopher  <echristo@apple.com>
7508
7509         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7510         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7511         V2DFmode.
7512
7513 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7514
7515         PR target/21887
7516         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7517         for the high part when generating dynamic-no-pic code.
7518
7519 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7520
7521         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7522         (x86_64-*-linux*): Likewise.
7523
7524         * config/i386/crtfastmath.c: New file.
7525         * config/i386/t-crtfm: Likewise.
7526
7527         * config/i386/linux.h (ENDFILE_SPEC): New.
7528         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7529
7530         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7531         crtfastmath.o.
7532
7533 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7534
7535         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7536         (vec_shl, vec_shr): Document new operations.
7537         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7538
7539 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7540
7541         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7542         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7543         change predicate to indexed_or_indirect_address.
7544
7545 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7546
7547         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7548         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7549         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7550         and __aeabi_uwrite8.
7551         * config/arm/unaligned-funcs.c: New file.
7552         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7553
7554 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7555
7556         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7557         Add dump.
7558         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7559         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7560         Add dump.
7561         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7562         * final.c (pass_shorten_branches): Add dump.
7563         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7564         (pass_life): Rename dump.
7565         (rest_of_handle_flow2): Remove initial verify_flow_info.
7566         * function.c (pass_instantiate_virtual_regs): Add dump.
7567         * integrate.c (pass_initial_value_sets): Add dump.
7568         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7569         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7570         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7571         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7572         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7573         gate_rtl_unrool_and_peel_loops): New.
7574         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7575         rtl_doloop): Do not look at flags.
7576         * mode-switching.c (pass_mode_switching): Add dump.
7577         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7578         pass_split_before_regstack): Add dump.
7579         * regmove.c (pass_stack_adjustments): Add dump.
7580         * tree-optimize.c (pass_fixup_cfg): Add dump.
7581
7582 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7583
7584         PR 23309
7585         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7586         deciding which instruction sequence to use.
7587
7588 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7589
7590         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7591         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7592
7593 2005-08-09  Richard Guenther  <rguenther@suse.de>
7594
7595         * c-common.c (builtin_function_2): Remove.
7596         (def_builtin_1): New function.
7597         (c_common_nodes_and_builtins): Use def_builtin_1 to
7598         build builtin functions.
7599
7600 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7601
7602         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7603         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7604         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7605         Visual DSP.
7606
7607 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7608
7609         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7610         fold_binary instead of fold_build2 since we don't care about the
7611         resulting tree.
7612         (loop_niter_by_eval): Likewise.
7613         (compare_trees): Likewise.
7614         (proved_non_wrapping_p): Likewise.
7615
7616 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7617
7618         PR c/23161
7619         PR c/23165
7620         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7621         if the if is really empty.
7622
7623 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7624
7625         PR tree-optimization/23234
7626         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7627         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7628         argument of the new enum.
7629         (execute_cse_reciprocals): Add reciprocals for function arguments
7630         on the unique successor edge of the entry block.  Update other calls
7631         to execute_cse_reciprocals_1.
7632
7633 2005-08-08  Richard Henderson  <rth@redhat.com>
7634
7635         PR 22439
7636         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7637
7638 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7639
7640         * expr.c (write_complex_part): Return after handling MEM.
7641
7642 2005-08-08  Josh Conner  <jconner@apple.com>
7643
7644         PR rtl-optimization/23241
7645         * combine.c (simplify_comparison): Fix error in determining
7646         whether to lift a subreg from comparison.
7647
7648 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7649
7650         PR target/18506
7651         * config/rs6000/altivec.md (vec_init<mode>): New.
7652         (vec_set<mode>): New.
7653         (vec_extract<mode>): New.
7654         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7655         (rs6000_expand_vector_set): New.
7656         (rs6000_expand_vector_extract): New.
7657         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7658         for Altivec modes before reload.
7659         (altivec_expand_vec_init_builtin): New.
7660         (get_element_number): New.
7661         (altivec_expand_vec_set_builtin): New.
7662         (altivec_expand_vec_ext_builtin): New.
7663         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7664         builtins.
7665         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7666         builtins.
7667         * config/rs6000/rs6000.h (rs6000_builtins): Add
7668         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7669         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7670         * config/rs6000/rs6000-protos.h: Declare new functions.
7671
7672 2005-08-08  Jan Hubicka  <jh@suse.cz>
7673
7674         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7675         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7676         * i386.md (movdi*): Use pic_32bit_operand.
7677         * predicates.md (pic_32bit_operand): New.
7678
7679 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7680
7681         PR c++/21166
7682         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7683
7684 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7685
7686         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7687         (test_for_singularity): Use fold_build2.
7688
7689 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7690
7691         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7692
7693 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7694
7695         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7696         (COMMON_ASM_OP) Define.
7697         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7698         (ix86_encode_section_info): Likewise.
7699         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7700         SUBTARGET_ENCODE_SECTION_INFO.
7701
7702 2005-08-06  Richard Henderson  <rth@redhat.com>
7703
7704         PR 21894
7705         * tree-nested.c (convert_local_reference): Save and restore val_only
7706         around component_ref and friends.  Clear walk_subtrees by default.
7707
7708 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7709
7710         PR 21366
7711         * gcc.c (process_command): Check the argument to -b has a dash.
7712         * doc/invoke.texi: Update -b and -V docs.
7713
7714 2005-08-06  James E Wilson  <wilson@specifix.com>
7715
7716         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7717
7718 2005-08-06  Michael Matz  <matz@suse.de>
7719
7720         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7721         member only if only one insn is associated with the value.
7722
7723 2005-08-06  Nick Clifton  <nickc@redhat.com>
7724
7725         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7726         New define.
7727         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7728         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7729         Check symbol flags instead of symbol name mangling.
7730         (xstormy16_asm_output_aligned_common): Likewise.  Also
7731         simplify code since the bss100_section cass is the only case
7732         where the below100 code will be triggered.
7733         (xstormy16_encode_section_info): Encode below100 attribute
7734         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7735         the name.
7736         (xstormy16_strip_name_encoding): Delete - this function is no
7737         longer needed.
7738         (TARGET_STRIP_NAME_ENCODING): Undefine.
7739         * config/stormy16/stormy16-protos.h: Delete prototype for
7740         xstormy16_strip_name_encoding.
7741
7742 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7743
7744         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7745         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7746         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7747         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7748         config/alpha/predicates.md, config/arc/arc.h,
7749         config/arm/arm.h, config/arm/ieee754-df.S,
7750         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7751         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7752         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7753         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7754         config/m68hc11/m68hc11.h, config/mips/mips.c,
7755         config/mips/mips.h, config/mips/openbsd.h,
7756         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7757         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7758         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7759         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7760         config/sparc/linux.h, config/sparc/linux64.h,
7761         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7762         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7763         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7764         typos.  Follow spelling conventions.
7765
7766 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7767
7768         PR c/23113
7769         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7770         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7771         specially.  Check for side effects only for COND_EXPR.
7772         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7773         return with TREE_NO_WARNING.
7774
7775 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7776
7777         PR rtl-optimization/23233
7778         * loop.c (combine_movables): Require the modes to be the same.
7779         (move_movables): Remove handling of cases where the replacement
7780         had a different mode to the original.
7781
7782 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7783
7784         PR tree-optimization/23128
7785         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7786         subtraction wrap, and set TREE_OVERFLOW if they do.
7787
7788 2005-08-05  Richard Henderson  <rth@redhat.com>
7789
7790         PR 21728
7791         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7792         FORCED_LABEL labels.
7793
7794 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7795
7796         PR middle-end/23135
7797         * reload.c (find_reloads_subreg_address): Pass down TYPE
7798         unchanged.  Change all callers except find_reloads_toplev.
7799
7800 2005-08-05  Michael Matz  <matz@suse.de>
7801
7802         * genattrtab.c (current_alternative_string): Remove.
7803         (SIMPLIFY_ALTERNATIVE): Ditto.
7804         (attr_alt_bit_p): Ditto.
7805         (alternative_name): Make const char *.
7806         (evaluate_eq_attr): Remove use of above things.
7807         (simplify_test_exp): Ditto.
7808         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7809         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7810
7811 2005-08-04  James E Wilson  <wilson@specifix.com>
7812
7813         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7814         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7815         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7816         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7817         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7818
7819 2005-08-04  Richard Henderson  <rth@redhat.com>
7820
7821         PR 21529
7822         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7823         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7824         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7825         if we'd have to instantiate too many members.
7826
7827 2005-08-04  Richard Henderson  <rth@redhat.com>
7828
7829         PR 21291
7830         * tree-outof-ssa.c (coalesce_asm_operands): New.
7831         (coalesce_ssa_name): Use it.  Split out ...
7832         (coalesce_phi_operands, coalesce_result_decls): ... these.
7833
7834 2005-08-04  Paul Brook  <paul@codesourcery.com>
7835
7836         * read-rtl.c (read_quoted_string): Break if EOF.
7837
7838 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7839
7840         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7841         (fold_build2): Likewise.
7842         (fold_build3): Likewise.
7843         (fold_build1_stat): New function prototype.
7844         (fold_build2_stat): Likewise.
7845         (fold_build3_stat): Likewise.
7846         * fold-const.c (fold_build1): Rename to ..
7847         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7848         through to build1_stat.
7849         (fold_build2): Rename to ..
7850         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7851         through to build2_stat.
7852         (fold_build3): Rename to ..
7853         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7854         through to build3_stat.
7855
7856 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7857             Ian Lance Taylor  <ian@airs.com>
7858
7859         * function.c (assign_stack_local_1): Do not correct stack slot
7860         address if allocation size is smaller than mode size.
7861
7862 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7863
7864         PR 22037
7865         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7866         (tree_merge_blocks): Propagate anything allowed by
7867         may_propagate_copy.
7868         Clarify documentation.
7869         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7870         SSA form, schedule an update if necessary.
7871
7872 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7873
7874         * doc/install.texi (Binaries): Remove broken link to
7875         Sinix/Reliant Unix binaries.
7876
7877 2005-08-03  Richard Henderson  <rth@redhat.com>
7878
7879         PR 23221
7880         * function.c (stack_protect_epilogue): Export.
7881         * tree.h (stack_protect_epilogue): Declare.
7882         * calls.c (expand_call): Call it.
7883
7884 2005-08-03  Eric Christopher  <echristo@apple.com>
7885
7886         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7887         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7888         spec.
7889
7890 2005-08-04  Jan Hubicka  <jh@suse.cz>
7891
7892         * profile.c (branch_prob): Split edges with goto locus on them
7893         to get proper line counts.
7894         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7895
7896 2005-08-03  Paul Brook  <paul@codesourcery.com>
7897
7898         * function.c (assign_parms): Round current_function_args_size
7899         to PARM_BOUNDARY, not STACK_BOUNDARY.
7900
7901 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7902
7903         * config/i386/i386.c (x86_elf_aligned_common)
7904         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7905
7906 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7907
7908         PR tree-optimization/23157
7909         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7910         before emitting them.
7911
7912 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7913
7914         PR tree-optimization/19899
7915         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7916         * tree-scalar-evolution.c: Include real.h.
7917         (add_to_evolution): Build constant -1 of correct type.
7918
7919 2005-08-03  Jan Hubicka  <jh@suse.cz>
7920
7921         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7922         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7923         profile updating for complette unrolling.
7924         * loop-unroll.c (peel_loop_completely): Use it.
7925         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7926         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7927         loops.
7928
7929 2005-08-03  Paul Brook  <paul@codesourcery.com>
7930
7931         * combine.c (can_change_dest_mode): New function.
7932         (try_combine, simplify_set): Use it.
7933
7934 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7935
7936         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7937         TFmode to BLKmode.
7938
7939 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7940
7941         * doc/install.texi (Specific): Adjust link to openavr.org.
7942         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7943         (Binaries): Adjust HP-UX Porting Center link.
7944         (Binaries): Adjust Free Software Foundation ordering link.
7945
7946 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7947
7948         * convert.c (convert_to_integer): Use fold_build1 instead of
7949         build1 when converting an integer to an integer.
7950
7951 2005-08-02  Richard Henderson  <rth@redhat.com>
7952
7953         * combine.c (combine_instructions): Don't use reg_equal/equiv
7954         results if the mode doesn't match.
7955
7956 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7957
7958         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7959         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7960
7961 2005-08-02  Richard Henderson  <rth@redhat.com>
7962
7963         PR 23196
7964         * explow.c (memory_address): Remove special-case for
7965         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7966
7967 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7968
7969         PR 23164
7970         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7971         number of calls to cleanup_tree_cfg_1.
7972
7973 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7974
7975         * doc/invoke.texi: document file extensions .F90 and .F95
7976
7977 2005-08-02  Richard Guenther  <rguenther@suse.de>
7978
7979         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7980         positive if its first argument is positive.
7981
7982 2005-08-02  Richard Guenther  <rguenther@suse.de>
7983
7984         PR tree-optimization/23177
7985         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7986         on TMR_TAG.
7987
7988 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7989
7990         PR tree-optimization/23129
7991         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7992         varying for divisions with anti-ranges.
7993
7994 2005-08-02  Jan Hubicka  <jh@suse.cz>
7995
7996         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7997         * tree-ssa-threadupdate.c (thread_block): Add it here.
7998
7999 2005-08-01  James E Wilson  <wilson@specifix.com>
8000
8001         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8002         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8003         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8004         New.
8005         * config/mips/predicates.md (const_call_insn_operand): Add check for
8006         SYMBOL_REF_LONG_CALL_P.
8007         * doc/extend.texi (long_call): Document the new attribute.
8008
8009 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8010             Richard Henderson  <rth@redhat.com>
8011
8012         * Makefile.in (RTL_BASE_H): Add real.h.
8013         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8014         instead of memcpy.
8015         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8016         directly.
8017         * rtl.c (rtl_check_failed_code_mode): New.
8018         * rtl.h (struct rtx_def): Add u.rv.
8019         (XCMWINT, XCNMPRV): New.
8020         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8021         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8022
8023 2005-08-01  Richard Henderson  <rth@redhat.com>
8024
8025         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8026         with auto-inc codes.
8027
8028         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8029
8030 2005-08-01  Jan Hubicka  <jh@suse.cz>
8031
8032         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8033         * i386.c: Include dwarf2.h
8034         (asm_preferred_eh_data_format): New.
8035         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8036
8037 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8038
8039         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8040         randomize_va_space for virtual address randomization control.
8041
8042 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8043
8044         * common.opt (flag_ipa_cp): Put in right place to maintain
8045         alphabetic sort.
8046
8047 2005-08-01  Jan Hubicka  <jh@suse.cz>
8048
8049         * profile.c (compute_value_histograms): Fix thinko.
8050         * value-prof.c: Include toplev.h
8051         (check_counter): New function.
8052         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8053         tree_mod_subtract_transform): Add sanity check.
8054
8055 2005-08-01  Richard Guenther  <rguenther@suse.de>
8056
8057         PR tree-optimization/23133
8058         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8059         current functions parameter decls to find defs to cse
8060         reciprocals of.
8061
8062 2005-08-01  Richard Guenther  <rguenther@suse.de>
8063
8064         PR tree-optimization/23109
8065         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8066         If trapping math is in effect, use post-dominator information
8067         to check if we'd in any case reach a trapping point before
8068         doing the reciprocal insertion.
8069         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8070         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8071         expressions are invariant only if trapping math is not in effect.
8072
8073 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8074
8075         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8076         cgraph_function_versioning): New declarations.
8077         * cgraphunit.c: Add include to ipa-prop.h.
8078         (update_call_expr, cgraph_copy_node_for_versioning,
8079         cgraph_function_versioning): New functions.
8080         * integrate.c (copy_decl_for_inlining): Remove.
8081         * ipa-prop.h (ipa_replace_map): New struct.
8082         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8083         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8084         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8085         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8086         ipcp_iterate_stage, ipcp_method_scale_print,
8087         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8088         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8089         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8090         ipcp_update_bb_counts, ipcp_update_profiling,
8091         ipcp_update_edges_counts): New functions.
8092         (ipcp_method_cval_init): Remove restriction regarding local methods.
8093         (ipcp_init_stage): Add ipcp_method_compute_scale.
8094         (ipcp_insert_stage): Add versioning.
8095         (ipcp_structures_print): Add ipcp_method_scale_print.
8096         (ipcp_driver): Dump profiling info.
8097         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8098         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8099         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8100         (struct inline_data): Add versioning_p, ipa_info, new fields.
8101         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8102         declare_return_variable): Replace calls to copy_decl_for_inlining with
8103         copy_decl_for_dup.
8104         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8105         versioning support.
8106         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8107         Add argument VERSIONING.
8108         (copy_arguments_for_versioning, copy_static_chain,
8109         function_versionable_p, tree_versionable_function_p,
8110         tree_function_versioning, replace_ref_tree): New functions.
8111         * tree-inline.h: Include varray.h.
8112         (tree_versionable_function_p,  tree_function_versioning,
8113         tree copy_decl_for_dup): New declarations.
8114
8115 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8116
8117         * ipa-cp.c: New file. Contains IPCP specific functionality.
8118         * ipa-prop.h: New file. Contains structures/definitions that can be
8119         used by several interprocedural data flow optimizations (and also IPCP).
8120         * ipa-prop.c: New file.
8121         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8122         * common.opt: Add ipa-cp flag.
8123         * timevar.def: Add IPCP optimization.
8124         * tree-optimize.c (init_tree_optimization_passes): Schedule
8125         pass_ipa_cp.
8126         * tree-pass.h (pass_ipa_cp): Declare.
8127
8128 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8129
8130         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8131         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8132         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8133         config/i386/i386.c, config/mips/mips.h,
8134         config/rs6000/rs6000.h, config/sh/sh.c,
8135         config/stormy16/stormy16.c: Fix comment typos.
8136
8137 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8138
8139         PR c/22311
8140         * c-typeck.c (build_binary_op): Use common_type wrapper on
8141         shortened types.
8142         (common_type): Update comment.
8143
8144 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8145
8146         PR target/23095
8147         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8148         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8149         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8150
8151 2005-07-31  Jan Hubicka  <jh@suse.cz>
8152
8153         * pretty-print.h (pp_widest_integer): New macro.
8154         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8155         counts.
8156
8157 2005-07-31  Jan Hubicka  <jh@suse.cz>
8158
8159         * output.h (enum section_category): Export from varasm.c
8160         (categorize_decl_for_section): Likewise.
8161         * varasm.c (enum section_category): Kill.
8162         (categorize_decl_for_section): Make global.
8163         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8164         Declare.
8165         * i386.c (ix86_section_threshold): New static variable.
8166         (ix86_in_large_data_p, ix86_encode_section_info,
8167         x86_64_elf_unique_section,
8168         x86_64_elf_select_section): New functions.
8169         (TARGET_ENCODE_SECTION_INFO): Define
8170         (override_options): Enable medium model for PIC.
8171         (ix86_expand_prologue): Expand gen_set_got_rex64.
8172         (legitimate_constant_p): Handle new UNSPECs.
8173         (legitimate_pic_address_disp_p): Likewise.
8174         (legitimize_pic_address): Lower MEDIUM model addressing.
8175         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8176         (enum cmodel): Add MEDIUM_PIC.
8177         (SYMBOL_REF_FAR_ADDR_P): New macro.
8178         (SYMBOL_FLAG_FAR_ADDR): New flag.
8179         * i386.md (movdi): Support medium model.
8180         (set_got_rex64): New pattern.
8181         * i386.opt (mlarge-data-threshold): New flag.
8182         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8183         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8184         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8185         TARGET_ASM_UNIQUE_SECTION): New.
8186
8187         * invoke.texi (-mlarge_data_threshold): Document
8188
8189 2005-07-31  Jan Hubicka  <jh@suse.cz>
8190
8191         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8192         (coalesce_vars): Likewise.
8193         * tree-ssa-live.c (coalesce_cost): New.
8194         (build_tree_conflict_graph): Use coalesce_cost.
8195         * tree-ssa-live.h (coalesce_cost): Declare.
8196
8197 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8198
8199         * arm.md (all peepholes for post-increment operations): Delete.
8200         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8201         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8202         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8203         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8204         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8205
8206 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8207
8208         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8209         non-integral types.
8210
8211 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8212
8213         PR target/22582
8214         * doc/invoke.texi: Document -rdynamic.
8215
8216 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8217
8218         PR c/23143
8219         * c-parser.c (c_parser_parms_list_declarator): Call
8220         mark_forward_parm_decls.
8221         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8222         decls with visibility structure.
8223
8224 2005-07-30  Paul Brook  <paul@codesourcery.com>
8225
8226         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8227
8228 2005-07-30  Paul Brook  <paul@codesourcery.com>
8229
8230         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8231         prototype.
8232         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8233         value for mode.
8234         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8235
8236 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8237
8238         PR c/529
8239         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8240         nested function declarators.
8241         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8242         (grokparms): Call warn_if_shadowing for parameters used within the
8243         parameter list.
8244         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8245         not used within the parameter list.
8246         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8247
8248 2005-07-30  Jan Hubicka  <jh@suse.cz>
8249
8250         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8251         * i386.c (ix86_fixup_binary_operands): Likewise.
8252         (ix86_expand_unary_operator): Likewise.
8253         (ix86_expand_fp_absneg_operator): Likewise.
8254         * optabs.c (expand_vec_cond_expr): Validate dest.
8255
8256 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8257
8258         PR c/21720
8259         * real.c (real_from_string): Also set last bit if there is a
8260         nonzero hex digit beyond GCC's internal precision after ".".
8261
8262 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8263
8264         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8265         define_constants.  Change duplicate values to unassigned numbers.
8266         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8267         (*altivec_vspltsf): New.
8268         (altivec_vperm_v4sf): Delete.
8269         (altivec_vperm_<mode>): Use mode macro V.
8270         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8271         (altivec_predicate_v4sf): Delete.
8272         (altivec_predicate_<mode>): Use mode macro V.
8273         (*altivec_lvesfx): New.
8274         (*altivec_stvesfx): New.
8275         (vec_realign_load_v4sf): Delete.
8276         (vec_realign_load_<mode>): Use mode macro V.
8277         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8278         UNSPECV_SET_VRSAVE.
8279
8280 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8281
8282         PR bootstrap/23131
8283         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8284         string.
8285         * configure: Regenerated.
8286
8287 2005-07-29  Paul Brook  <paul@codesourcery.com>
8288
8289         * doc/install.texi: Add link to GFortran binaries wiki page.
8290
8291 2005-07-29  David Ung  <davidu@mips.com>
8292
8293         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8294         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8295         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8296         * config/mips/mips.md (cpu): Add 5kf name.
8297         (includes): Includes 5k.md.
8298         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8299         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8300         -march flag.
8301
8302 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8303
8304         PR 22550
8305         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8306         (cleanup_tree_cfg): ... here.
8307         Call cleanup_tree_cfg_1 until there are no more cleanups to
8308         do.
8309
8310 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8311
8312         * tree-vrp.c (compare_range_with_value): Return true or false
8313         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8314         EQ_EXPR respectively.
8315
8316 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8317
8318         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8319         Fix comment typos.
8320
8321 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8322
8323         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8324         (tree_ssa_dominator_optimize): Increment it.
8325         (dump_dominator_optimization_stats): Print it.
8326
8327 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8328             Steven Bosscher  <stevenb@suse.de>
8329
8330         PR rtl-optimization/23117
8331         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8332         when head == tail.  Tidy comment.
8333
8334 2005-07-28  Richard Henderson  <rth@redhat.com>
8335
8336         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8337         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8338         * jump.c (rtx_renumbered_equal_p): Likewise.
8339         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8340         CONST_INT and CONST_DOUBLE.
8341         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8342         * reload.c (operands_match_p): Special case CONST_INT and
8343         CONST_DOUBLE; check mode earlier.
8344
8345 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8346
8347         PR c/22240
8348         * c-typeck.c (convert_for_assignment): Do not check
8349         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8350
8351 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8352
8353         PR c/22192
8354         * c-typeck.c (composite_type): Prefer constant size arrays to
8355         VLAs.
8356
8357 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8358
8359         PR c/21720
8360         * real.c (real_from_string): Set last bit if there is a nonzero
8361         hex digit beyond GCC's internal precision.
8362
8363 2005-07-28  Richard Henderson  <rth@redhat.com>
8364
8365         PR rtl-opt/22619
8366         * cfgcleanup.c (try_forward_edges): Watch out for end of
8367         insn chain.
8368
8369 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8370
8371         PR c/23106
8372         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8373
8374 2005-07-28  Jan Hubicka  <jh@suse.cz>
8375
8376         * Makefile.in (rtl-profile.o): Kill all traces of it.
8377         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8378         * coverage.h (rtl_coverage_counter_ref): Kill.
8379         * opts.c (flag_speculative_prefetching_set): Kill.
8380         (flag_loop_optimize_set): New.
8381         (common_handle_option): Disable loop optimizer when profiling;
8382         do not handle speculative prefetching.
8383         * passes.c (init_optimization_passes): Replace pass_profiling combo
8384         by branch_prob pass.
8385         * profile.c (compute_value_histograms): Update for simplified value
8386         profiles.
8387         (rtl_register_profile_hooks): Kill.
8388         (pass_profiling): Kill.
8389         (rest_of_handle_branch_prob): Do not profile.
8390         * toplev.c (process_options): Remove speculative prefetching.
8391         * toplev.h (flag_tree_based_profiling): Kill.
8392         * tree-profile.c (prepare_instrumented_value,
8393         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8394         tree_gen_one_value_profiler, do_tree_profiling): Update for
8395         simplified datastructures.
8396         * value-prof.c: Add comment that speculative prefetching was dropped;
8397         update rest of file for simplified datastructures.
8398         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8399         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8400         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8401         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8402         rtl_mod_subtract, gen_speculative_prefetch,
8403         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8404         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8405         (gate_handle_value_profile_transformations,
8406         rest_of_handle_value_profile_transformations,
8407         pass_value_profile_transformations): Kill.
8408         * value-prof.h (histogram_value_t): Remove IL based unions.
8409         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8410         rtl_profile_hooks): Remove hooks.
8411
8412         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8413
8414         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8415         (cgraph_clone_node): Likewise.
8416         * cgraph.h (cgraph_clone_edge): Update prototype.
8417         (cgraph_clone_node): Likewise.
8418         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8419         cgraph_clone_node.
8420         (lookup_recursive_calls): Consider profile.
8421         (cgraph_decide_recursive_inlining): Fix updating; use new
8422         probability argument; use profile.
8423         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8424         * tree-inline.c (copy_bb): Update clal of clone_edge.
8425         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8426
8427         * invoke.texi (min-inline-recursive-probability): Document.
8428
8429 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8430
8431         * doc/install.texi (Configuration): Update Valgrind homepage.
8432
8433 2005-07-28  Richard Henderson  <rth@redhat.com>
8434
8435         PR middle-end/21362
8436         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8437         labels we want to delete.
8438         (cfg_layout_merge_blocks): Likewise.
8439
8440 2005-07-28  Richard Henderson  <rth@redhat.com>
8441
8442         PR target/17692
8443         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8444         when expanding to nothing.
8445
8446 2005-07-28  Josh Conner  <jconner@apple.com>
8447
8448         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8449         (cgraph_decide_inlining_of_small_functions): Likewise.
8450
8451 2005-07-28  Josh Conner  <jconner@apple.com>
8452
8453         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8454         direction of badness if negative.
8455         (cgraph_default_inline_p): Add reason to parameters, and assign it
8456         a value.
8457         (cgraph_decide_inlining_of_small_functions): New parameter in call
8458         to cgraph_default_inline_p.
8459         (cgraph_decide_inlining_incrementally): Likewise.
8460         * cgraphunit.c (decide_is_function_needed): Likewise.
8461         * cgraph.h (cgraph_default_inline_p): Likewise.
8462
8463 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8464
8465         * builtins.c: Fix comment typo(s).
8466         * genautomata.c: Likewise.
8467         * gimplify.c: Likewise.
8468         * tree-dfa.c: Likewise.
8469         * tree-flow-inline.h: Likewise.
8470         * tree-into-ssa.c: Likewise.
8471         * tree-ssa-alias.c: Likewise.
8472         * tree-ssa-ccp.c: Likewise.
8473         * tree-ssa-copy.c: Likewise.
8474         * tree-ssa-dce.c: Likewise.
8475         * tree-ssa-dom.c: Likewise.
8476         * tree-ssa-operands.c: Likewise.
8477         * tree-tailcall.c: Likewise.
8478         * tree-vectorizer.c: Likewise.
8479         * tree-vrp.c: Likewise.
8480         * tree.c: Likewise.
8481
8482 2005-07-28  Jeff Law  <law@redhat.com>
8483
8484         * tree-vrp.c (test_for_singularity): Extracted from  ...
8485         (simplify_cond_using_ranges): Attempt to simplify a relational
8486         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8487
8488 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8489
8490         PR tree-optimization/22506
8491         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8492         phis whose argument is constant.
8493
8494 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8495
8496         PR rtl-optimization/18992
8497         Back out this patch:
8498           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8499           PR optimization/12142
8500           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8501           uses of the register in the SET_SRC.  Remove unnecessary argument.
8502
8503         Replace it with this:
8504         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8505         if flag_non_call_exceptions is set and the insn may trap, pass
8506         pc_rtx as dest for recursion.
8507         In SET_SRC part of SET case, if dest is already set, pass it down
8508         unchanged.
8509
8510 2005-07-28  Jan Hubicka  <jh@suse.cz>
8511
8512         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8513         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8514         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8515         roundoff errors.
8516         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8517         profile when available.
8518
8519 2005-07-28  Jan Beulich <jbeulich@novell.com>
8520
8521         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8522         (ia64_print_operand): Describe and handle 'X'.
8523         (ia64_register_move_cost): Also handle FP_REGS.
8524         (ia64_preferred_reload_class): Likewise.
8525         (ia64_secondary_reload_class): Likewise.
8526         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8527         it. Also check for ITANIUM_CLASS_FLDP.
8528         * config/ia64/ia64.h (FP_REGNO_P): New.
8529         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8530         (reg_class): Add FP_REGS.
8531         (REG_CLASS_NAMES): Adjust for it.
8532         (REG_CLASS_CONTENTS): Likewise.
8533         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8534         (REG_CLASS_FROM_LETTER): Handle 'x'.
8535         (CLASS_MAX_NREGS): Handle FP_REGS.
8536         (MEMORY_MOVE_COST): Likewise.
8537         * config/ia64/ia64.md (itanium_class): Add fldp.
8538         (type): Handle fldp.
8539         (movti_internal): More allowable operand combinations. Use ldfp8 when
8540         splitting unnecessary. Remove predicable attribute. Adjust
8541         itanium_class attribute.
8542         (smuldi3_highpart): Remove outdated comment.
8543         (mulditi3, umulditi3, rotlti3): New expanders.
8544         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8545         (absti2): Disabled new insn for future reference.
8546         Respective new splitters.
8547         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8548         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8549         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8550
8551 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8552
8553         PR rtl-optimization/23047
8554         * simplify-rtx.c (simplify_const_relational_operation): Respect
8555         flag_wrapv for comparisons with ABS.
8556
8557 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8558
8559         PR tree-optimization/22493
8560         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8561         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8562
8563 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8564
8565         * config/frv/frv.opt (moptimize-membar): New.
8566
8567         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8568
8569         * config/frv/frv.h: Remove machine_function definition.
8570
8571         * config/frv/frv.c (struct frv_io): New.
8572         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8573         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8574         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8575         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8576         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8577         (frv_reorg): Call frv_optimize_membar when appropriate.
8578         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8579         (frv_expand_builtin): Adjust calls accordingly.
8580         (frv_io_address_cookie): New function.
8581         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8582         load or store rather than a special insn.  Add ccnstant address and
8583         io-type operands to the membar.
8584         (frv_ifcvt_modify_tests): Unsign regno.
8585         (frv_ifcvt_modify_tests): Same.
8586
8587         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8588         UNSPEC_OPTIONAL_MEMBAR constant.
8589         (builtin_read_<mode>): Delete.
8590         (builtin_write_<mode>): Delete.
8591         ("optional_membar_<mode>"): Add operand.
8592
8593         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8594         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8595         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8596         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8597         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8598         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8599         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8600         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8601         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8602
8603 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8604
8605         * df.c (df_uses_record): Handle SCRATCH.
8606
8607 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8608
8609         PR debug/20161
8610         * passes.c (rest_of_decl_compilation): If decl is a type and
8611         we have encountered errors, don't emit debug information.
8612
8613 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8614
8615         * params.def: Fixed comment.
8616
8617 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8618
8619         PR target/19885
8620         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8621         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8622         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8623
8624 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8625
8626         PR c++/22003
8627         * varasm.c (assemble_start_function): Don't do anything that may
8628         require a CFG if the current function is a thunk.
8629
8630 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8631
8632         * doc/install.texi (Prerequisites): Mention that perl is needed
8633         to do export control in libstdc++ targetting Darwin.
8634
8635 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8636
8637         PR rtl-optimization/17808
8638         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8639         (sched_insns_conditions_mutex_p): Split out from...
8640         (add_dependence): ...here.  But don't call it from here.
8641         (add_dependence_list): Check sched_insns_conditions_mutex_p
8642         before calling add_dependence.
8643         (add_dependence_list_and_free): Likewise.
8644         (fixup_sched_groups): Likewise.
8645         (sched_analyze_1): Likewise.
8646         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8647         (sched_analyze): Likewise.
8648         (sched_analyze_insn): Likewise.
8649         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8650         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8651         dependencies on all COND_EXEC insns to jumps ending basic blocks
8652         when doing intrablock scheduling.
8653         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8654
8655 2005-07-27  Jeff Law  <law@redhat.com>
8656
8657         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8658         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8659         equivalency sets, correctly handle the case were vr0 has an
8660         equivalency set, but vr1 does not.
8661
8662 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8663
8664         PR tree-optimization/23073
8665         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8666         vect_print_dump_info before fprintf.
8667
8668 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8669
8670         PR tree-optimize/22348
8671         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8672         Fold the partial computation.
8673
8674 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8675
8676         PR tree-optimization/22325
8677         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8678         Declare.
8679         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8680         value replacement.
8681         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8682         (force_var_cost): ... this function.
8683         (compute_phi_arg_on_exit): Export.
8684
8685 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8686
8687         PR tree-optimization/20773
8688         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8689         edge.
8690
8691 2005-07-27  Richard Guenther  <rguenther@suse.de>
8692
8693         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8694         Avoid pushing again if current struct contains only
8695         fields we decomposed.
8696
8697 2005-07-27  Jan Hubicka  <jh@suse.cz>
8698
8699         PR tree-optimization/22574
8700         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8701         not available.
8702
8703         * tree-tailcall.c (decrease_profile): New function.
8704         (eliminate_tail_call): Use it.
8705
8706         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8707         visibility flags correctly in whole program mode.
8708
8709 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8710
8711         PR rtl-optimization/22472
8712         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8713
8714 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8715
8716         PR tree-optimization/22504
8717         * tree-complex.c (expand_complex_addition): Use 'code' instead
8718         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8719
8720 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8721
8722         * config.gcc (cpu_type): Add frv case.
8723         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8724         (supported_defaults): Add fr550 case.
8725
8726 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8727
8728         PR 22591
8729         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8730         whether a pointer of type T * may point to objects of type T *.
8731
8732 2005-07-26  DJ Delorie  <dj@redhat.com>
8733
8734         * configure: Regenerate.
8735
8736 2005-07-26  Dale Johannesen  <dalej@apple.com>
8737
8738         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8739
8740 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8741
8742         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8743         Clarify use of "build" in name.
8744
8745 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8746
8747         * doc/extend.texi (Raw read/write Functions): New section.
8748         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8749         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8750         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8751         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8752         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8753         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8754         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8755         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8756         * config/frv/frv.c: Add bdesc_loads global.
8757         Add bdesc_stores global.
8758         (frv_init_builtins): Add support for __builtin_{read/write}*.
8759         (frv_volatile_memref): New.
8760         (frv_expand_load_builtin): New.
8761         (frv_expand_store_builtin): New.
8762         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8763         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8764         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8765         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8766         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8767         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8768         (builtin_read_<mode>): New.
8769         (builtin_write_<mode>): New.
8770         (builtin_write64): New.
8771         (optional_membar_<mode>): New.
8772
8773 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8774
8775         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8776         (rather than units) against HOST_BITS_PER_WIDE_INT.
8777
8778 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8779
8780         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8781         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8782         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8783         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8784         FSF address.
8785
8786         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8787         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8788         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8789         comment typos.
8790         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8791
8792 2005-07-26  Richard Guenther  <rguenther@suse.de>
8793
8794         PR tree-optimization/22486
8795         * fold-const.c (fold_unary): Fold away useless component
8796         references of the form (T *)&T.x, if the address
8797         doesn't change.
8798
8799 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8800
8801         * dwarf2out.c (add_call_src_coords_attributes): New.
8802         (gen_inlined_subroutine_die): Call it.
8803         (maybe_emit_file, init_file_table): Add comments.
8804         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8805         maybe_emit_file.
8806         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8807         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8808         * tree.h (BLOCK_SOURCE_LOCATION): New.
8809         (struct tree_block): New field locus.
8810
8811 2005-07-26  Andreas Schwab  <schwab@suse.de>
8812
8813         PR rtl-optimization/23043
8814         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8815         when allocating a struct unoccr.
8816
8817 2005-07-25  Richard Henderson  <rth@redhat.com>
8818
8819         PR 22626
8820         * tree-complex.c (gate_no_optimization): True if errors.
8821         * Makefile.in (tree-complex.o): Update dependencies.
8822
8823 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8824
8825         * config/frv/predicates.md (integer_register_operand): Use
8826         GPR_AP_OR_PSEUDO_P.
8827
8828 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8829
8830         PR tree-opt/22484
8831         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8832         after fold.
8833         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8834
8835 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8836
8837         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8838         types when flag_unsafe_math_optimizations is true.
8839
8840 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8841
8842         * gcc.c (option_map): Add --sysroot.
8843         (process_command): Handle --sysroot.
8844         (display_help): Document it.
8845         * doc/cppopts.tex (-isysroot): Document.
8846         * doc/invoke.texi (--sysroot): Document.
8847         * doc/install.texi (--with-build-sysroot): Document.
8848
8849         * Makefile.in (inhibit_libc): New variable.
8850         (INHIBIT_LIBC_CFLAGS): Likewise.
8851         (LIBGCC2_CFLAGS): Include
8852         $(INHIBIT_LIBC_CFLAGS).
8853         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8854         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8855         ($(T)crtend.o): Likewise.
8856         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8857         ($(T)crtendS.o): Likewise.
8858         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8859         ($(T)crtendT.o): Likewise.
8860         (stmp-fixinc): Do not complain about missing headers if
8861         inhibit_libc.
8862         * configure.ac (inhibit_libc): Set it to true/false.
8863         (--with-build-sysroot): New option.  Use it to set
8864         SYSTEM_HEADER_DIR.
8865         * configure: Regenerated.
8866
8867 2005-07-25  Manfred Hollstein  <mh@suse.com>
8868
8869         * calls.c (store_one_arg): Fix unsigned comparison warning.
8870
8871 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8872
8873         PR other/22337
8874         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8875         (ggc_print_statistics): Initialize variable before use.
8876
8877 2005-07-25  Richard Guenther  <rguenther@suse.de>
8878
8879         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8880         calling with a PHI_NODE argument.
8881
8882         * tree-flow-inline.h (overlap_subvar): Protect against
8883         possible overflow.
8884
8885 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8886
8887         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8888         * configure: Regenerate.
8889
8890 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8891
8892         * expr.c (highest_pow2_factor): Make extern.
8893         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8894         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8895         record_array_differ_p, array_ptr_differ_p): Likewise.
8896         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8897         additional cases. Call the above functions.
8898         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8899         base_object_differ_p when there are two base objects. Otherwise, compare
8900         base address and offset. Call may_alias_p.
8901         (dump_data_reference): Use a correct field name.
8902         (analyze_array): Make static. Initialize new data-ref fields.
8903         (analyze_indirect_ref): New function.
8904         (init_data_ref): Initialize new data-ref fields.
8905         (strip_conversion): Moved from tree-vect-analyze.c.
8906         (analyze_offset_expr, get_ptr_offset, address_analysis,
8907         object_analysis): Likewise.
8908         (analyze_offset): New function.
8909         (create_data_ref): Likewise.
8910         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8911         dimensions for ARRAY_REFs only.
8912         (build_classic_dist_vector): Make static.
8913         (access_functions_are_affine_or_constant_p): Call macro to get the
8914         address of access functions.
8915         (compute_all_dependences): Add new parameter
8916         compute_self_and_read_read_dependences. Compute self and read-read
8917         dependences if it is true.
8918         (find_data_references_in_loop): Call create_data_ref. Initialize new
8919         data-ref fields.
8920         (compute_data_dependences_for_loop): Add new parameter
8921         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8922         compute nb_loops. Call compute_all_dependences,
8923         build_classic_dist_vector and build_classic_dir_vector with correct
8924         parameters.
8925         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8926         with correct parameters. Compare dimensions for ARRAY_REFs only.
8927         (free_data_refs): Call macro to free access functions.
8928         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8929         fields from stmt_vinfo.
8930         (struct base_object_info): New structure.
8931         (struct data_reference): Move fields to base_object_info. Add fields
8932         first_location and object_info for above structures. Move fields from
8933         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8934         aligned_to.  Add macros to access the new fields.
8935         Update functions declarations.
8936         * tree-flow.h (is_aliased_with): Declare.
8937         * tree-loop-linear.c (linear_transform_loops): Call
8938         compute_data_dependences_for_loop with correct parameters.
8939         * tree-ssa-alias.c (is_aliased_with): New function.
8940         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8941         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8942         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8943         vect_base_addr_differ_p, compute_subscript_distance and
8944         build_classic_dist_vector. Add printings. Check absolute value of
8945         distance.
8946         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8947         data-refs.
8948         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8949         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8950         to bytes. Add printing.
8951         (vect_compute_data_refs_alignment): Go through loads and stores in one
8952         loop.
8953         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8954         vect_analyze_data_ref_access): Likewise.
8955         (vect_analyze_pointer_ref_access): Remove.
8956         (vect_address_analysis, vect_object_analysis): Likewise.
8957         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8958         and analyze data-refs in the loop.
8959         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8960         fields of data-ref instead of stmt. Add init to the offset from the
8961         base.
8962         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8963         (vect_update_init_of_dr): Likewise.
8964         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8965         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8966         removed fields.
8967         (new_loop_vec_info): Initialize new fields.
8968         (destroy_loop_vec_info): Free new fields.
8969         (vect_strip_conversion): Remove.
8970         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8971         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8972         datarefs. Add new field ddrs.
8973         Add macros for the new fields access.
8974         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8975         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8976         Remove their macros.
8977         * tree.h (highest_pow2_factor): Declare.
8978
8979 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8980
8981         * calls.c (store_one_arg): Check for sibling call MEM arguments
8982         from already clobbered incoming argument area.
8983
8984 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8985
8986         * c-common.c (check_missing_format_attribute): New.
8987         * c-common.h (check_missing_format_attribute): Likewise.
8988         * c-typeck.c (convert_for_assignment): Use it.
8989
8990 2005-07-24  Andreas Schwab  <schwab@suse.de>
8991
8992         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8993         register use a word move.  Correct operand of ext.w in 68000 code.
8994
8995 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8996
8997         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8998         variables as declarations, rather than definitions.
8999
9000 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9001
9002         PR tree-optimization/22526
9003         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9004         of the zero node.
9005
9006 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9007
9008         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9009         that C99 reserve for future use. Use it to define clog10,
9010         clog10f and clog10l.
9011
9012 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9013
9014         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9015         * configure.ac: Check for -Wmissing-format-attribute.
9016
9017         * configure: Regenerate.
9018
9019 2005-07-23  Richard Henderson  <rth@redhat.com>
9020
9021         PR tree-optimization/22623
9022         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9023
9024 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9025
9026         PR target/22577
9027         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9028
9029 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9030
9031         * Makefile.in (C_TREE_H): Update dependencies.
9032         * c-tree.h: Include toplev.h.
9033         * diagnostic.h (diagnostic_set_info): Add format attribute.
9034         * rtl-error.c (diagnostic_for_asm): Likewise.
9035
9036 2005-07-23  Chao-ying Fu  <fu@mips.com>
9037
9038         * config/mips/mips-dsp.md: New file.
9039         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9040         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9041         functions.
9042         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9043         MIPS_BUILTIN_BPOSGE32.
9044         (mips_expand_builtin_direct): Add one parameter to indicate that
9045         builtin functions need to return a value.
9046         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9047         functions.
9048         (mips_regno_to_class): Add classes for 12 new DSP registers.
9049         (mips_subword): Change to check four HI registers.
9050         (mips_output_move): Output move to and from 6 new DSP accumulators.
9051         (override_options): Make sure -mdsp and -mips16 are not used together.
9052         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9053         for machine modes.
9054         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9055         when !TARGET_DSP.
9056         (print_operand): Add 'q' for printing DSP accumulators.
9057         (mips_cannot_change_mode_class): Check ACC_REGS.
9058         (mips_secondary_reload_class): Check ACC_REGS.
9059         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9060         (mips_register_move_cost): Check ACC_REGS.
9061         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9062         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9063         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9064         (dsp_bdesc): New array.
9065         (bdesc_arrays): Add DSP builtin function table.
9066         (mips_prepare_builtin_arg): Check predicate again after
9067         copy_to_mode_reg.
9068         (mips_expand_builtin): Add one more parameter to
9069         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9070         MIPS_BUILTIN_BPOSGE32.
9071         (mips_init_builtins): Initialize new function types.
9072         (mips_expand_builtin_direct): Check if builtin functions need to
9073         return a value and pass operands properly.
9074         (mips_expand_builtin_bposge): New function.
9075         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9076         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9077         (FIRST_PSEUDO_REGISTER): Increase to 188.
9078         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9079         Update for 12 new DSP registers.
9080         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9081         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9082         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9083         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9084         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9085         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9086         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9087         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9088         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9089         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9090         (REGISTER_NAMES): Add names for 12 new DSP registers.
9091         * config/mips/mips.md: Include mips-dsp.md.
9092         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9093         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9094         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9095         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9096         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9097         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9098         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9099         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9100         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9101         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9102         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9103         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9104         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9105         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9106         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9107         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9108         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9109         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9110         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9111         (UNSPEC_RDDSP): New constants.
9112         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9113         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9114         A<-d alternative.
9115         * config/mips/mips.opt (-mdsp): New option.
9116         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9117         (reg_imm10_operand): New predicates.
9118         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9119         * doc/invoke.texi (-mdsp): Document new option.
9120
9121 2005-07-22  DJ Delorie  <dj@redhat.com>
9122
9123         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9124         to warning calls.
9125         * tree-inline.c (inlinable_function_p): Likewise.
9126
9127 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9128
9129         PR debug/21828
9130         * toplev.c (check_global_declarations): Do not mark undefined
9131         variables as DECL_IGNORED_P.
9132         * varasm.c (first_global_object_name): GTY it.
9133         (weak_global_object_name): Likewise.
9134         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9135         a string to go into {weak,first}_global_object_name.
9136
9137 2005-07-22  DJ Delorie  <dj@redhat.com>
9138
9139         * c-format.c (check_function_format): Change warning control
9140         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9141
9142 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9143
9144         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9145         &PTR->FLD a dereference of PTR.
9146         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9147         a potential dereference of PTR.
9148
9149 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9150
9151         PR rtl-optimization/20370
9152         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9153         call allocate_reg_info if necessary.
9154
9155         PR rtl-optimization/21848
9156         * calls.c (emit_library_call_value_1): For const functions, add
9157         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9158
9159         PR rtl-optimization/22445
9160         * cselib.c (target.h): Include.
9161         (rtx_equal_for_cselib_p): Allow commutative matches.
9162         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9163         Remove MODE parameter.  Changed all callers.
9164
9165         PR rtl-optimization/22258
9166         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9167         New functions.
9168         (try_combine): Use likely_spilled_retval_p.
9169
9170 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9171
9172         * config.gcc: Add crx-elf support.
9173
9174         * doc/contrib.texi: Mention crx.
9175         * doc/extend.texi: Document crx extensions.
9176         * doc/install.texi: Document crx install.
9177         * doc/invoke.texi: Document crx options.
9178         * doc/md.texi: Document crx constraints.
9179
9180         * config/crx/crx-protos.h: New file.
9181         * config/crx/crx.c: New file.
9182         * config/crx/crx.h: New file.
9183         * config/crx/crx.md: New file.
9184         * config/crx/crx.opt: New file.
9185         * config/crx/t-crx: New file.
9186
9187 2005-07-22  Manfred Hollstein  <mh@suse.com>
9188
9189         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9190         warnings.
9191         (int_add_graph_edge): Likewise.
9192         (collapse_nodes): Likewise.
9193         (process_unification_queue): Likewise.
9194
9195 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9196             Laurent GUERBY  <laurent@guerby.net>
9197
9198         PR tree-optimization/22336
9199         * function.c (record_block_change): Check for
9200         cfun->ib_boundaries_block.
9201
9202 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9203
9204         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9205         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9206
9207 2005-07-21  DJ Delorie  <dj@redhat.com>
9208
9209         * toplev.c (warn_deprecated_use): Add warning control to warning
9210         call.
9211         * c-typeck.c (parser_build_binary_op): Likewise.
9212         (c_finish_if_stmt): Likewise.
9213         * c-common.c (check_function_sentinel): Likewise.
9214         (check_nonnull_arg): Likewise.
9215
9216 2005-07-21  Richard Henderson  <rth@redhat.com>
9217
9218         PR tree-opt/22504
9219         * tree-complex.c (complex_ssa_name_components): New.
9220         (cvc_lookup): Allow entry not found.
9221         (create_components): Remove.
9222         (create_one_component_var, get_component_var): New.
9223         (get_component_ssa_name, set_component_ssa_name): New.
9224         (extract_component): Use get_component_ssa_name.
9225         (update_complex_components): Use set_component_ssa_name.
9226         (update_complex_components_on_edge): Likewise.
9227         (update_phi_components): Create new PHI nodes directly, instead
9228         of adding insns to edges.
9229         (tree_lower_complex): Allocate and free complex_variable_components
9230         and complex_ssa_name_components here.
9231
9232 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9233
9234         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9235         revert to returning false.
9236
9237 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9238
9239         PR target/21149
9240         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9241
9242 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9243
9244         PR target/22576
9245         * config/i386/i386.md (cmpxf): Change operand constraints
9246         to "nonmemory_operand".
9247
9248 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9249
9250         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9251
9252 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9253
9254         PR middle-end/21180
9255         * fold-const.c (fold_build1): Add checksum for the operands.
9256         (fold_build2): Likewise.
9257         (fold_build3): Likewise.
9258
9259 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9260
9261         PR middle-end/19055
9262         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9263
9264 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9265
9266         * common.opt (-fforward-propagate): Committed by mistake,
9267         removed.
9268
9269 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9270
9271         * reg-stack.c: Fix comment typo(s).
9272         * tree-ssa-operands.c: Likewise.
9273         * tree-vectorizer: Likewise.
9274
9275 2005-07-21  Nick Clifton  <nickc@redhat.com>
9276
9277         * config/sh/symbian.c: Replace C++ style line comments with C
9278         style line comments.
9279         (symbian_add_attribute): Do not use a ? operator on the LHS of
9280         an assignment.
9281         (sh_symbian_handle_dll_attribute): Change the type of the
9282         method vector to "VEC(tree,gc)*" and use vector accessor
9283         macros to walk over the elements.
9284         (symbian_export_vtable_and_rtti_p): Likewise.
9285         (symbian_class_needs_attribute_p): Likewise.
9286
9287 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9288
9289         PR target/22085
9290         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9291         initialize targetm.resolve_overloaded_builtin here.
9292         (altivec_expand_overloaded_builtin): Make it non-static.
9293         * config/rs6000/rs6000-protos.h
9294         (altivec_expand_overloaded_builtin): New prototype.
9295         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9296         targetm.resolve_overloaded_builtin here.
9297         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9298
9299 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9300             Zdenek Dvorak  <dvorakz@suse.cz>
9301
9302         PR tree-optimization/19210
9303         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9304         New.
9305         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9306         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9307         rely on unproven assumptions.
9308         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9309         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9310         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9311         to number_of_iterations_exit.
9312         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9313         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9314         * tree-ssa-loop-niter.c (find_loop_niter,
9315         estimate_numbers_of_iterations_loop): Likewise.
9316         (number_of_iterations_exit): Honor the new options.
9317         * doc/invoke.texi (Wunsafe-loop-optimizations,
9318         funsafe-loop-optimizations): Document them.
9319
9320 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9321
9322         PR rtl-optimization/22167
9323         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9324
9325 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9326
9327         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9328         __do_global_dtors_aux longcall.
9329
9330 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9331
9332         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9333         (old_special_pred_table): Don't reference
9334         SPECIAL_MODE_PREDICATES.
9335         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9336         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9337         * config/sh/predicates.h: Don't mention
9338         SPECIAL_MODE_PREDICATES.
9339         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9340         Remove.
9341
9342 2005-07-20  DJ Delorie  <dj@redhat.com>
9343
9344         * config.gcc: Add m32c-elf support.
9345
9346         * doc/contrib.texi: Mention m32c.
9347         * doc/extend.texi: Document m32c extensions.
9348         * doc/install.texi: Mention m32c.
9349         * doc/invoke.texi: Document m32c options.
9350         * doc/md.texi: Document m32c constraints.
9351
9352         * config/m32c/addsub.md: New file.
9353         * config/m32c/bitops.md: New file.
9354         * config/m32c/cond.md: New file.
9355         * config/m32c/jump.md: New file.
9356         * config/m32c/m32c-lib1.S: New file.
9357         * config/m32c/m32c-lib2.c: New file.
9358         * config/m32c/m32c-modes.def: New file.
9359         * config/m32c/m32c-pragma.c: New file.
9360         * config/m32c/m32c-protos.h: New file.
9361         * config/m32c/m32c.abi: New file.
9362         * config/m32c/m32c.c: New file.
9363         * config/m32c/m32c.h: New file.
9364         * config/m32c/m32c.md: New file.
9365         * config/m32c/m32c.opt: New file.
9366         * config/m32c/minmax.md: New file.
9367         * config/m32c/mov.md: New file.
9368         * config/m32c/muldiv.md: New file.
9369         * config/m32c/predicates.md: New file.
9370         * config/m32c/prologue.md: New file.
9371         * config/m32c/shift.md: New file.
9372         * config/m32c/t-m32c: New file.
9373
9374 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9375
9376         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9377         (stack_protect_set, stack_protect_test): New expanders.
9378         (stack_protect_set_si, stack_protect_set_si_media,
9379         stack_protect_set_di_media, stack_protect_test_si,
9380         stack_protect_test_si_media, stack_protect_test_di_media):
9381         New insns.
9382
9383 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9384
9385         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9386
9387 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9388
9389         * tree.h (tree_expr_nonzero_p): Export.
9390         * fold-const.c (tree_expr_nonzero_p): Likewise.
9391         Return true for CALL_EXPRs that are alloca calls.
9392         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9393         against zero.
9394         * tree-flow.h (expr_computes_nonzero): Remove.
9395         * tree-vrp.c (expr_computes_nonzero): Remove.
9396         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9397         (extract_range_from_unary_expr): Likewise.
9398         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9399         tree_expr_nonzero_p.
9400
9401 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9402
9403         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9404         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9405         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9406         All callers changed.
9407         (frame_related_constant_load): New arg "related" which controls
9408         setting of RTX_FRAME_RELATED_P.  All callers changed.
9409         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9410         (bfin_expand_prologue): Add stack limit checking.
9411         * config/bfin/bfin.md (trapifcc): New pattern.
9412
9413         * config/bfin/bfin.c: Include "langhooks.h".
9414         (def_builtin): Go through lang_hooks to call builtin_function.
9415
9416         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9417         * config/bfin/predicates.md (symbol_ref_operand): New.
9418         (call_insn_operand): Delete.  All callers changed to use
9419         register_no_elim_operand.
9420         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9421         call_cookie field.
9422         (function_arg): Use it to generate the call's operand 2.
9423         (bfin_longcall_p): New function.
9424         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9425         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9426         determine if the address needs to be in a REG.
9427         (bfin_handle_longcall_attribute): New function.
9428         (bfin_attribute_table): Add "longcall" and "shortcall".
9429         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9430         (CUMULATIVE_ARGS): New member call_cookie.
9431         (PREDICATE_CODES): Add symbol_ref_operand.
9432         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9433         extra USE to the pattern.
9434         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9435         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9436         sibcall_value_insn; now the new patterns handle direct calls and the
9437         old ones indirect calls.
9438         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9439
9440 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9441
9442         * doc/trouble.texi: Update section on handling of empty loops.
9443
9444 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9445
9446         * config.gcc: Remove support for sparc-*-openbsd*,
9447         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9448         ns32k-*-netbsd*.
9449         * config.host: Remove support for i860-*-sysv4* as a host.
9450         * config/i860/*, config/ip2k/*, config/ns32k/*,
9451         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9452         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9453         mention obsolete ports.
9454
9455 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9456
9457         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9458         soft frame pointer.
9459         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9460         of frame_pointer_rtx.
9461         (sh_expand_epilogue): Likewise.
9462         (sh_set_return_address): Likewise.
9463         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9464         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9465         offsets from FRAME_POINTER_REGNUM.
9466         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9467         (sh_register_names): Add initializer for sfp.
9468         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9469         (VALID_REGISTER_P): Likewise.
9470         (FIRST_PSEUDO_REGISTER): Update.
9471         (DWARF_FRAME_REGISTERS): Define.
9472         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9473         (HARD_FRAME_POINTER_REGNUM): Define.
9474         (FRAME_POINTER_REGNUM): Redefine.
9475         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9476         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9477         from FRAME_POINTER_REGNUM.
9478         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9479         FRAME_POINTER_REGNUM.
9480         (REG_CLASS_CONTENTS): Add sfp.
9481         (REG_ALLOC_ORDER): Likewise.
9482         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9483         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9484         of frame_pointer_rtx.
9485         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9486
9487 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9488
9489         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9490         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9491         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9492         of an ABS_EXPR.
9493         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9494         ABS_EXPR<x>.
9495
9496 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9497
9498         Make CONSTRUCTOR use VEC to store initializers.
9499         * c-common.c (complete_array_type): Update to cope with VEC in
9500         CONSTRUCTOR_ELTS.
9501         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9502         (pp_c_constructor_elts): New function.
9503         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9504         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9505         struct constructor_stack, struct initializer_stack,
9506         constructor_elements, push_init_level, pop_init_level,
9507         add_pending_init, find_init_member, output_init_element): Update to
9508         cope with VEC in CONSTRUCTOR_ELTS.
9509         * coverage.c (build_fn_info_value, build_ctr_info_value,
9510         build_gcov_info): Likewise.
9511         * expr.c (categorize_ctor_elements_1, store_constructor,
9512         expand_expr_real_1): Likewise.
9513         * fold-const.c (fold_ternary): Likewise.
9514         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9515         gimplify_init_constructor, gimplify_expr): Likewise.
9516         * tree-dump.c (dequeue_and_dump): Likewise.
9517         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9518         node.
9519         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9520         CONSTRUCTOR_ELTS.
9521         * tree-sra.c (generate_element_init_1): Likewise.
9522         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9523         * tree-ssa-operands.c (get_expr_operands): Likewise.
9524         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9525         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9526         (get_initial_def_for_reduction): Likewise.
9527         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9528         value handle in annotations.
9529         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9530         tree_node_structure): Add support for constr_kind.
9531         (build_vector_from_ctor, build_constructor_single,
9532         build_constructor_from_list): New functions.
9533         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9534         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9535         Update to cope with VEC in CONSTRUCTOR_ELTS.
9536         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9537         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9538         CONSTRUCTOR_APPEND_ELT): New macros.
9539         (struct constructor_elt, struct tree_constructor): New data types.
9540         (union tree_node): Add tree_constructor field.
9541         * treestruct.def: Define TS_CONSTRUCTOR.
9542         * varasm.c (const_hash_1, compare_constant, copy_constant,
9543         compute_reloc_for_constant, output_addressed_constants,
9544         initializer_constant_valid_p, output_constant,
9545         array_size_for_constructor, output_constructor): Update to cope with
9546         VEC in CONSTRUCTOR_ELTS.
9547         * vec.h (VEC_empty, VEC_copy): New macros.
9548
9549 2005-07-19  Devang Patel  <dpatel@apple.com>
9550
9551         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9552
9553 2005-07-19  Richard Henderson  <rth@redhat.com>
9554
9555         PR tree-opt/22278
9556         * gimplify.c (gimplify_expr): Use main variant type for the temp
9557         destination for a discarded volatile read.
9558         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9559         casts between non-void types that change volatility.
9560
9561 2005-07-15  DJ Delorie  <dj@redhat.com>
9562
9563         * toplev.h: Add comment about the first parameter for warning().
9564         * errors.h: Likewise.
9565
9566         * c.opt (Wpragmas): New.
9567         * doc/invoke.texi: Document it.
9568
9569         * function.c (do_warn_unused_parameter): Add warning control to
9570         warning call.
9571         * c-decl.c (warn_if_shadowing): Likewise.
9572         * c-lex.c (cb_def_pragma): Likewise.
9573         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9574         (pop_alignment): Likewise.
9575         (handle_pragma_pack): Likewise.
9576         (apply_pragma_weak): Likewise.
9577         (handle_pragma_weak): Likewise.
9578         (handle_pragma_redefine_extname): Likewise.
9579         (add_to_renaming_pragma_list): Likewise.
9580         (handle_pragma_extern_prefix): Likewise.
9581         (maybe_apply_renaming_pragma): Likewise.
9582         (handle_pragma_visibility): Likewise.
9583
9584         * config/c4x/c4x-c.c (BAD): Likewise.
9585         (c4x_parse_pragma): Likewise.
9586         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9587         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9588         (rs6000_pragma_longcall): Likewise.
9589         * config/v850/v850-c.c (pop_data_area): Likewise.
9590         (ghs_pragma_section): Likewise.
9591         (ghs_pragma_section): Likewise.
9592         (ghs_pragma_interrupt): Likewise.
9593         (ghs_pragma_starttda): Likewise.
9594         (ghs_pragma_startsda): Likewise.
9595         (ghs_pragma_startzda): Likewise.
9596         (ghs_pragma_endtda): Likewise.
9597         (ghs_pragma_endsda): Likewise.
9598         (ghs_pragma_endzda): Likewise.
9599
9600 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9601             Kenneth Zadeck <zadeck@naturalbridge.com>
9602
9603         * Makefile.in: Removed tree-promote-statics.c
9604         * tree-promote-statics.c: Removed.
9605         * common.opt: Removed flag-promote-statics.
9606         * opts.c: Ditto.
9607         * passes.c: Removed tree-promote-statics pass.
9608         * tree-pass.h: Ditto.
9609         * timevar.def: Removed TV_PROMOTE_STATICS.
9610
9611
9612 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9613
9614         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9615         and *-*-freebsd9.
9616         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9617
9618 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9619
9620         PR c/22476
9621         * c-common.c (check_function_arguments): Call
9622         'check_function_format' if either -Wformat or
9623         -Wmissing-format-attribute are specified.
9624         * c-format.c (check_function_format): Check -Wformat before
9625         calling 'check_format_info'.
9626         * c-opts.c (c_common_post_options): Don't warn for
9627         -Wmissing-format-attribute without -Wformat.
9628         * c-typeck.c (convert_for_assignment): Detect additional cases for
9629         -Wmissing-format-attribute.
9630         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9631         behavior.
9632
9633 2005-07-19  Richard Guenther  <rguenther@suse.de>
9634
9635         * config/i386/i386.md (lrint<mode>2): Use temporary
9636         instead of clobbering non-existent memory.
9637
9638 2005-07-19  Nick Clifton  <nickc@redhat.com>
9639
9640         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9641         statement to avoid displaying ASCII control characters.
9642
9643 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9644
9645         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9646         * cfganal.c (find_edge_index): Ditto.
9647         * combine.c (combine_instructions): Ditto.
9648         * ddg.c (create_scc): Ditto.
9649         (find_successors): Ditto.
9650         (find_predecessors): Ditto.
9651         (find_nodes_on_paths): Ditto.
9652         (longest_simple_path): Ditto.
9653         * flow.c (update_life_info): Ditto.
9654         (count_or_remove_death_notes): Ditto.
9655         (clear_log_links): Ditto.
9656         * modulo-sched.c (generate_reg_moves): Ditto.
9657         (find_max_asap): Ditto.
9658         (find_max_hv_min_mob): Ditto.
9659         (find_max_dv_min_mob): Ditto.
9660         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9661         * sched-rgn.c (extract_edgelst): Ditto.
9662         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9663         (dump_update_ssa): Ditto.
9664         (ssa_names_to_replace) Ditto.
9665         (switch_virtuals_to_full_rewrite): Ditto.
9666         (update_ssa): Ditto.
9667         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9668
9669 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9670
9671         Fix PR tree-optimization/22483
9672
9673         * tree-complex.c (create_components): Use
9674         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9675         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9676         * tree-flow.h (safe_referenced_var_iterator): New structure.
9677         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9678         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9679         safe_referenced_var iterator.
9680         (add_type_alias): Ditto.
9681
9682 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9683
9684         * loop-init.c (rest_of_handle_loop2): Remove.
9685         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9686         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9687         (pass_rtl_loop_init, pass_rtl_loop_done,
9688         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9689         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9690         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9691         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9692         pass_tree_loop_done, and pass_tree_unswitch.
9693         (gate_loop): Rename to gate_tree_loop.
9694         * passes.c (init_optimization_passes): Update for renamed tree
9695         loop passes.  Add the new loop2 passes as subpasses of loop2.
9696         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9697         Update for the renamed tree loop passes.
9698
9699 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9700
9701         PR middle-end/22057
9702         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9703         blocks when optimizing.
9704
9705 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9706
9707         * common.opt (frename-registers): Initialize to 2.
9708         (fweb): Ditto.
9709         (fgcse-after-reload): Ditto.
9710         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9711         (process_options): Only change flag_web, flag_rename_registers,
9712         and flag_rerun_cse_after_loop if not explicitly set by user.
9713
9714 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9715
9716         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9717         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9718         in 64-bit mode the same as DImode in 32-bit mode.
9719         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9720         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9721         mode. Add new mode parameter.
9722         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9723         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9724         x86_64_shift_adj): New expanders.
9725         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9726         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9727         insns.
9728         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9729         DImode shift splitters.
9730         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9731         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9732         mode parameter.
9733
9734 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9735
9736         * i386.md (movdi_extzv_1): New.
9737         (zero_extendhidi2): Combine alternatives and never force use of
9738         REX64 prefix.
9739         (zero_extendqidi2): Likewise. Don't restrict input selection.
9740
9741 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9742
9743         Fix PR tree-optimization/22531
9744         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9745          moment.
9746
9747 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9748
9749         * tree-promote-statics.c (pass_promote_statics): Change dump file
9750          name.
9751
9752 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9753
9754         * tree-optimize.c (init_tree_optimization_passes): Add
9755         pass_eliminate_useless_stores pass.
9756         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9757         * tree-ssa-pre.c (is_copy_stmt): New function.
9758         (follow_copies_till_vuse): Ditto.
9759         (do_eustores): Ditto.
9760         (gate_eustores): Ditto.
9761
9762 2005-07-16  Richard Henderson  <rth@redhat.com>
9763
9764         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9765
9766 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9767            Kenneth Zadeck <zadeck@naturalbridge.com>
9768
9769         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9770         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9771         ipa-type-escape.h, tree-promote-statics.c
9772         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9773         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9774         tree-promote-statics.c: new files.
9775         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9776         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9777         int nonlocal_set_p, mark_constant_function): Deleted.
9778         (rest_of_handle_cfg): Removed call to mark_constant_function.
9779         (nonoverlapping_component_refs_p): Added calls to support
9780         type based aliasing.
9781         * tree-ssa-alias.c (may_alias_p,
9782         compute_flow_insensitive_aliasing): Ditto.
9783         * calls.c (flags_from_decl_or_type): Removed reference to
9784         cgraph_rtl_info.
9785         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9786         too many arguments.  This is necessary for Spec 2000.
9787         * cgraph.h (const_function, pure_function): Removed.
9788         * common.opt: Added "fipa-pure-const", "fipa-reference",
9789         "fipa-type-escape", and "ftree-promote-static".
9790         * opts.c: Ditto.
9791         * passes.c: Added ipa and tree-promote-statics passes.
9792         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9793         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9794         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9795         * tree-flow.h: Added exposed sra calls and addition of
9796         reference_vars_info field for FUNCTION_DECLS.
9797         * tree-pass.h: Added passes.
9798         * tree-sra.c: (sra_init_cache): New function.
9799         (sra_insert_before, sra_insert_after) Made public.
9800         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9801         and made public.
9802         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9803         aliasing. (may_alias_p): Added code to use type escape analysis to
9804         improve alias sets.
9805         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9806         code to prune clobbers of static variables based on information
9807         produced in ipa-reference pass.  Changed call clobbering so that
9808         statics are not marked as clobbered if the call does not clobber
9809         them.
9810
9811 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9812
9813         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9814         too.
9815
9816 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9817
9818         * doc/install.texi (*-*-solaris2*): Document recommended version
9819         of GNU binutils and mention GNU linker problem on Solaris 10.
9820
9821 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9822
9823         PR c/22421
9824         * c-decl.c (c_build_bitfield_integer_type): New function.
9825         (finish_struct): Call it.
9826         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9827
9828 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9829
9830         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9831         before returning.
9832
9833 2005-07-16  Jan Hubicka  <jh@suse.cz>
9834
9835         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9836         (scale_bbs_frequencies_int): Watch roundoff errors.
9837         * predict.c (return_prediction): Initialize return_stmt.
9838
9839 2005-07-16  Jan Hubicka  <jh@suse.cz>
9840
9841         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9842         after RTL profiling.
9843
9844 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9845
9846         PR middle-end/22398
9847         * fold-const.c (build_range_check): Convert high/low to etype
9848         if we are only comparing against exp.
9849
9850 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9851
9852         Fix PR tree-optimization/22376
9853         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9854         special var here.
9855         (need_to_solve): New function.
9856         (compute_points_to_sets): Use it.
9857
9858 2005-07-15  Jan Hubicka  <jh@suse.cz>
9859
9860         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9861         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9862
9863 2005-07-15  Richard Guenther  <rguenther@suse.de>
9864
9865         * c-common.c (handle_flatten_attribute): New function.
9866         Add flatten function attribute.
9867         * doc/extend.texi: Document flatten function attribute.
9868         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9869         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9870         New functions.
9871         (cgraph_decide_inlining): Handle functions with flatten
9872         attribute.
9873
9874 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9875
9876         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9877         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9878         UNSPEC_XCHG, UNSPEC_AND): New.
9879         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9880         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9881         * config/rs6000/sync.md (FETCHOP): New code macro.
9882         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9883         New code attrs.
9884         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9885         (sync_compare_and_swap<mode>): Same.
9886         (sync_lock_test_and_set<mode>): Same.
9887         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9888         for QImode and HImode, and not PPC405.
9889         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9890         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9891         (sync_<fetchop>{si,di}_internal): New.
9892         (sync_nand{si,di}_internal): New.
9893         (sync_old_<fetchop>{si,di}_internal): New.
9894         (sync_old_nand{si,di}_internal): New
9895         (sync_new_<fetchop>{si,di}_internal): New.
9896         (sync_new_nand{si,di}_internal): New.
9897         (atomic_and{si,di}): New.
9898         (sync_new_nand{si,di}_internal): New.
9899         (atomic_and{si,di}): New.
9900         (sync_add<mode>_internal): Delete.
9901         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9902         (sync_sub<mode>_internal): Delte.
9903         (sync_subshort_internal): New.
9904         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9905         (sync_anddi_internal): Delete.
9906         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9907         (sync_booldi_internal): Delete.
9908         (sync_boolc<mode>_internal): Delete.
9909         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9910         (sync_boolc<mode>_internal2): Delete.
9911         (sync_boolcc<mode>_internal): Delete.
9912         (isync, lwsync): Use unspec instead of unspec_volatile.
9913         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9914         Revert UNSPEC_VOLATILE.
9915         (rs6000_split_atomic_op): New.
9916         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9917
9918 2005-07-14  Eric Christopher  <echristo@redhat.com>
9919
9920         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9921         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9922
9923 2005-07-14  Eric Christopher  <echristo@redhat.com>
9924
9925         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9926
9927 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9928
9929         PR tree-optimization/22230
9930         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9931         the computation of the four cross productions for "range op range".
9932
9933 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9934             Ulrich Weigand  <uweigand@de.ibm.com>
9935
9936         PR target/20126
9937         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9938         in some insn.
9939
9940 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9941
9942         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9943
9944 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9945
9946         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9947
9948 2005-07-14  Richard Guenther  <rguenther@suse.de>
9949
9950         PR middle-end/22347
9951         * config/i386/i386-protos.h (ix86_function_value): Change
9952         prototype to match new target hook.
9953         * config/i386/i386.c (ix86_value_regno): Change prototype
9954         to take extra type argument.
9955         (TARGET_FUNCTION_VALUE): Define.
9956         (ix86_function_ok_for_sibcall): Pass extra argument to
9957         ix86_value_regno, check return slot rtx for exact match.
9958         (ix86_function_value): Take extra parameter.  Dispatch to
9959         ix86_value_regno with fndecl/fntype as provided.
9960         (ix86_value_regno): Handle extra type argument.
9961         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9962
9963         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9964         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9965         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9966         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9967         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9968
9969 2005-07-14  Richard Guenther  <rguenther@suse.de>
9970
9971         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9972         * calls.c (expand_call): Pass fntype to hard_function_value.
9973         (emit_library_call_value_1): Likewise.
9974         * explow.c: Include target.h.
9975         (hard_function_value): Take extra argument, the fntype.
9976         Use new target hook for function_value.
9977         * expr.h (hard_function_value): Change prototype.
9978         * function.c (aggregate_value_p): Pass 0 as fntype to
9979         hard_function_value.
9980         (assign_parms): Use new target hook for function_value.
9981         Pass 0 as fntype to hard_function_value.
9982         (expand_function_end): Likewise.
9983         * reg-stack.c: Include target.h.
9984         (stack_result): Use new target hook for function_value.
9985         * target-def.h: New target hook function_value.
9986         * target.h: Likewise.
9987         * targhooks.c (default_function_value): New function.
9988         * targhooks.h (default_function_value): Declare.
9989
9990 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9991
9992         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9993
9994 2005-07-14  Jan Hubicka  <jh@suse.cz>
9995
9996         * tree-dfa.c (dump_variable): Use default_def function.
9997         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9998         * tree-ssa.c (verify_use): Likewise.
9999         * tree-ssanames.c (release_ssa_name): Likewise.
10000         * tree-tailcall.c (eliminate_tail_call): Likewise.
10001         (tree_optimize_tail_calls_1): Likewise.
10002         * tree-vrp.c (get_value_range): Likewise.
10003
10004 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10005
10006         * gcc.c (main): Compare language[0] with '*' when iterating over
10007         the infiles.
10008
10009 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10010
10011         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10012         "s390_emit_compare".  Add handling of CCZ1mode.
10013         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10014         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10015         checking.
10016         (s390_branch_condition_mask): Add CCZ1mode handling.
10017         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10018         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10019         Use CCZ1mode instead of CCZmode.
10020         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10021
10022 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10023
10024         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10025         pattern.
10026         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10027
10028 2005-07-13  Eric Christopher  <echristo@redhat.com>
10029
10030         * config/mips/mips.c (mips_canonicalize_comparison): New.
10031         (mips_emit_int_relational): Use.
10032
10033 2005-07-13  Eric Christopher  <echristo@redhat.com>
10034
10035         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10036         static extra parts.
10037         * config/s390/s390.md: Include tpf.md. Move tpf specific
10038         patterns...
10039         * config/s390/tpf.md: To here.
10040         * config/s390/s390.opt: Move tpf specific options...
10041         * config/s390/tpf.opt: to here. Add mmain option.
10042         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10043         * config/s390/tpf.h: Rewrite.
10044
10045 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10046
10047         * doc/tm.texi: Remove @xref{Cross-profiling}.
10048
10049 2005-07-13  Jeff Law  <law@redhat.com>
10050
10051         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10052         expressions, test their _DECL operands for pointer equality rather
10053         than using operand_equal_p.
10054
10055 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10056
10057         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10058         (TARGET_POSIX_IO): This.
10059         * config/darwin.h: Likewise.
10060         * config/freebsd.h: Likewise.
10061         * config/linux.h: Likewise.
10062         * config/lynx.h: Likewise.
10063         * config/netbsd.h: Likewise.
10064         * config/rs6000/linux64.h: Likewise.
10065         * config/rs6000/linux.h: Likewise.
10066         * config/s390/tpf.h: Likewise.
10067         * config/sh/embed-elf.h: Likewise.
10068         * config/sparc/linux64.h: Likewise.
10069         * config/sparc/linux.h: Likewise.
10070         * config/svr4.h: Likewise.
10071         * gcov-io.h: Likewise.
10072
10073         * doc/tm.texi: Updated.
10074
10075         * libgcov.c (create_file_directory): Defined only if
10076         TARGET_POSIX_IO is defined.
10077         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10078         is defined.
10079
10080 2005-07-13  Jan Hubicka  <jh@suse.cz>
10081
10082         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10083
10084 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10085
10086         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10087         structure as argument.
10088
10089 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10090
10091         PR tree-optimization/21921
10092         * tree-iterator.c (tsi_link_before): Support the case when
10093         tsi_end_p (tsi) == true.
10094
10095 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10096
10097         PR tree-optimization/22442
10098         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10099         correctly.
10100
10101 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10102
10103         PR rtl-optimization/20376
10104         * toplev.c (process_options): Enable -fweb and -frename-registers when
10105         unrolling.
10106         * doc/invoke.texi: Update the information about when -fweb and
10107         -frename-registers are enabled.
10108
10109 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10110
10111         PR tree-opt/21840
10112         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10113         if *rhs_p is not a SSA_NAME.
10114
10115 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10116
10117         Fix PR tree-optimization/22422
10118         * tree-ssa-structalias.c (struct variable_info): Add flag for
10119         special vars.
10120         (get_varinfo): Now a static function.
10121         (new_varinfo): init has_union and is_special_var to false.
10122         (solution_set_add): Check has_union.
10123         (do_da_constraint): Move temporary variable so it gets reset
10124         properly.
10125         Also check for special variable.
10126         (do_ds_constraint): Ditto.
10127         (do_sd_constraint): Ditto.
10128         (do_structure_copy): Check for special variable.
10129         (find_func_aliases): Ditto.
10130         (init_base_vars): Set special vars properly.
10131
10132 2005-07-13  Jan Hubicka  <jh@suse.cz>
10133
10134         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10135         do unit-at-a-time.
10136
10137         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10138         (get_expr_operands): Fix thinko wrt flags and subvars.
10139
10140         PR tree-optimize/22379
10141         * tree-inline.c (expand_call_inline): Do not output sorry in early
10142         inlining.
10143
10144 2005-07-12  Dale Johannesen  <dalej@apple.com>
10145
10146         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10147
10148 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10149
10150         PR bootstrap/21704
10151         * host-linux.h: Include limits.h.
10152
10153 2005-07-12  Dale Johannesen  <dalej@apple.com>
10154
10155         * expr.c (compress_float_constant):  Add cost check.
10156         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10157
10158 2005-07-12  Dale Johannesen  <dalej@apple.com>
10159
10160         * gcc.target/i386/compress-float-sse.c:  New.
10161         * gcc.target/i386/compress-float-sse-pic.c:  New.
10162         * gcc.target/i386/compress-float-387.c:  New.
10163         * gcc.target/i386/compress-float-387-pic.c:  New.
10164         * gcc.dg/compress-float-ppc.c:  New.
10165         * gcc.dg/compress-float-ppc-pic.c:  New.
10166
10167 2005-07-12  Eric Christopher  <echristo@redhat.com>
10168
10169         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10170         static extra parts.
10171         * config/s390/s390.md: Include tpf.md. Move tpf specific
10172         patterns...
10173         * config/s390/tpf.md: To here.
10174         * config/s390/s390.opt: Move tpf specific options...
10175         * config/s390/tpf.opt: to here. Add mmain option.
10176         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10177         * config/s390/tpf.h: Rewrite.
10178
10179 2005-07-12  Eric Christopher  <echristo@redhat.com>
10180
10181         * gcc.c (struct infile): Update comment for language.
10182         (main): Rewrite input file resetting code.
10183
10184 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10185
10186         PR tree-opt/22335
10187         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10188         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10189         (lookup_avail_expr): Use constant_boolean_node instead
10190         of boolean_false_node/boolean_true_node.
10191
10192 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10193
10194         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10195         and use it when printing num_edges.
10196
10197 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10198
10199         * doc/extend.texi (Blackfin Built-in Functions): New section.
10200         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10201         @opindex.
10202
10203 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10204
10205         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10206         s/cmpstrsi/cmpstrnsi
10207         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10208         'cmpstrnsi'.
10209         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10210         (init_optabs): Initialize cmpstrn_optab.
10211         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10212         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10213         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10214         * config/i386/i386.md: s/cmpstr/cmpstrn
10215         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10216         * doc/md.texi: Update documentation.
10217
10218 2005-07-11  Richard Henderson  <rth@redhat.com>
10219
10220         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10221         build_va_arg_indirect_ref.
10222         (alpha_gimplify_va_arg): Likewise.
10223         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10224         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10225         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10226         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10227         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10228         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10229         Likewise.
10230         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10231
10232 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10233
10234         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10235         * passes.c (init_optimization_passes): Add pass_empty_loop.
10236         * tree-pass.h (pass_empty_loop): Declare.
10237         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10238         try_remove_empty_loop, remove_empty_loops): New functions.
10239         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10240         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10241
10242 2005-07-12  Peter Barada  <peter@the-baradas.com>
10243
10244         PR middle-end/16719
10245         PR middle-end/18421
10246         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10247         in address registers.
10248         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10249         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10250         alternative of addsi3_5200.
10251
10252 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10253
10254         * config/mips/mips.md (ffs<mode>2): Remove.
10255
10256 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10257
10258         * doc/tree-ssa.texi (Cleanups): Improve description of
10259         TRY_FINALLY_EXPR.
10260         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10261
10262 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10263
10264         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10265         * tree.h (DECL_ARGUMENT_FLD): New macro.
10266
10267 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10268
10269         Fix PR tree-optimization/22404
10270
10271         * tree-ssa-structalias.c (create_variable_info_for): Use
10272         correct offset.
10273
10274 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10275
10276         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10277         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10278         for second comparison operand.
10279         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10280
10281         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10282         (define_insn_reservation "alu"): Likewise.
10283         (csync, ssync): Now of type sync.
10284         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10285         -mcsync-anomaly -mspecld-anomaly.
10286         * config/bfin/bfin.opt (mcsync): Remove.
10287         (mcsync-anomaly, mspecld-anomaly): Add.
10288         * config/bfin/bfin.c: Include "insn-codes.h".
10289         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10290         (TARGET_DEFAULT_TARGET_FLAGS): New.
10291         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10292
10293 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10294
10295         * basic-block.h: Give the BB flags enum a name, bb_flags.
10296         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10297         * cfgcleanup.c (enum bb_flags): Remove here.
10298         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10299         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10300         (update_forwarder_flag): Likewise.
10301         (thread_jump): Likewise.
10302         (try_forward_edges): Likewise.
10303         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10304         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10305         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10306
10307 2005-07-11  Richard Guenther  <rguenther@suse.de>
10308
10309         * config/i386/i386.opt: New target option -msseregparm.
10310         * config/i386/i386.c (override_options): Error out for
10311         -msseregparm but no SSE support.
10312         (ix86_function_sseregparm): Check for global sseregparm.
10313         * doc/invoke.texi: Document -msseregparm.
10314
10315 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10316
10317         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10318         (m32rle-*-linux*): Ditto.
10319
10320 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10321
10322         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10323         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10324         bytes.
10325
10326 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10327
10328         PR middle-end/22239
10329         PR target/20126
10330         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10331         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10332
10333 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10334
10335         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10336         (varmap): Heapify varmap.
10337         (constraints): Heapify constraints.
10338         (struct constraint_graph): Heapify succs and preds.
10339         (constraint_vec_find): Update for heapification.
10340         (constraint_set_union): Ditto.
10341         (insert_into_complex): Ditto.
10342         (constraint_edge_vec_find): Ditto.
10343         (erase_graph_self_edge): Ditto.
10344         (add_graph_edge): Ditto.
10345         (get_graph_weights): Ditto.
10346         (merge_graph_nodes): Ditto.
10347         (build_constraint_graph): Ditto.
10348         (topo_visit): Ditto.
10349         (solve_graph): Ditto.
10350         (create_variable_info_for): Ditto.
10351         (init_base_vars): Ditto.
10352         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10353         (condese_varmap_nodes): Free complex vector.
10354         (clear_edges_for_node): Clear succs and preds vector.
10355
10356 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10357
10358         * tree-ssa-structalias.c (update_alias_info): Change counting of
10359         references to not include vdefs.
10360
10361 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10362
10363         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10364         (up_insert): Ditto.
10365
10366 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10367
10368         * pa.c (pa_commutative_p): Make PLUS commutative when
10369         TARGET_NO_SPACE_REGS is true.
10370
10371 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10372
10373         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10374         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10375         * tree-dfa.c (dump_subvars_for): New.
10376         (debug_subvars_for): New.
10377         (dump_variable): Show subvariables if VAR has them.
10378         * tree-flow-inline.h (get_subvar_at): New.
10379         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10380         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10381         Update all users.
10382         (struct subvar): Change fields offset and size to unsigned
10383         HOST_WIDE_INT.
10384         (dump_subvars_for): Declare.
10385         (debug_subvars_for): Declare.
10386         (get_subvar_at): Declare.
10387         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10388         to unsigned HOST_WIDE_INT *.
10389         (overlap_subvar): Likewise.
10390         * tree-gimple.c (is_gimple_reg): Always return false for
10391         SFTs and memory tags.
10392         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10393         Update all callers.
10394         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10395         (compute_may_aliases): Call compute_points_to_sets.
10396         (collect_points_to_info_for): Remove.
10397         (compute_points_to_and_addr_escape): Remove.
10398         (delete_alias_info): Call delete_points_to_sets.
10399         (compute_flow_sensitive_aliasing): If the call to
10400         find_what_p_points_to returns false, call set_pt_anything.
10401         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10402         (set_pt_anything): Clear pi->pt_vars.
10403         (set_pt_malloc): Remove.
10404         (merge_pointed_to_info): Remove.
10405         (add_pointed_to_expr): Remove.
10406         (add_pointed_to_var): Remove.
10407         (collect_points_to_info_r): Remove.
10408         (is_escape_site): Make extern.
10409         (create_sft): New.
10410         (create_overlap_variables_for): Call it.
10411         * tree-ssa-copy.c (merge_alias_info): Never merge
10412         flow-sensitive alias information.
10413         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10414         offset and size to be unsigned HOST_WIDE_INT.
10415         (add_to_addressable_set): Rename from note_addressable.
10416         Set TREE_ADDRESSABLE as the variables are added to the set.
10417         Update all users.
10418         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10419         operands into VUSEs when adding V_MAY_DEFs for members in an
10420         alias set.
10421         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10422         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10423         (struct variable_info): Add bitfield is_heap_var.
10424         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10425         (new_var_info): Initialize is_heap_var.
10426         (get_constraint_for): Add HEAP variables to the symbol table.
10427         Mark them with is_heap_var.
10428         (update_alias_info): New.  Taken mostly from the old
10429         compute_points_to_and_addr_escape.
10430         (handle_ptr_arith): New.
10431         (find_func_aliases): Call update_alias_info.
10432         Call handle_ptr_info for tcc_binary expressions.
10433         Call mark_stmt_modified.
10434         (create_variable_info_for): If DECL has subvars, do not create
10435         variables for its subvars.  Always add all the fields.
10436         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10437         SFTs, then add all the SFTs of the structure.
10438         If VI->DECL is an aggregate with subvariables, add the SFT at
10439         VI->OFFSET.
10440         (find_what_p_points_to): If VI is an artificial variable,
10441         translate to bitfields in SSA_NAME_PTR_INFO.
10442         If the solution is empty, set pi->pt_vars to NULL
10443         (init_base_vars): Create ANYOFFSET.
10444         (compute_points_to_sets): Rename from create_alias_vars.
10445         Make extern.
10446         (pass_build_pta): Remove.
10447         (delete_points_to_sets): Rename from delete_alias_vars.
10448         (pass_del_pta): Remove.
10449         * tree-ssa-structalias.h (struct alias_info): Move from
10450         tree-ssa-alias.h.
10451         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10452         NUM_REFERENCES_SET): Likewise.
10453         (compute_points_to_sets, delete_points_to_sets): Declare.
10454
10455 2005-07-09  Richard Henderson  <rth@redhat.com>
10456
10457         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10458         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10459         alpha_split_lock_test_and_set_12): New functions.
10460         * config/alpha/alpha-protos.h: Update.
10461         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10462         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10463         * config/alpha/sync.md (I12MODE): New.
10464         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10465         (sync_<fetchop_name><I48MODE>): Likewise.
10466         (sync_nand<I48MODE>): Likewise.
10467         (sync_old_<fetchop_name><I48MODE>): Likewise.
10468         (sync_new_<fetchop_name><I48MODE>): Likewise.
10469         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10470         (sync_compare_and_swap<I48MODE>): Likewise.
10471         (sync_lock_test_and_set<I48MODE>): Likewise.
10472         (sync_compare_and_swap<I12MODE>): New.
10473         (sync_compare_and_swap<I12MODE>_1): New.
10474         (sync_lock_test_and_set<I12MODE>): New.
10475         (sync_lock_test_and_set<I12MODE>_1): New.
10476
10477 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10478
10479         PR 21356
10480         PR 22332
10481         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10482
10483 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10484
10485         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10486         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10487
10488 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10489
10490         PR target/21656
10491         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10492
10493 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10494
10495         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10496         memory_operand constraint.
10497         (store_conditional_<mode>): Same.
10498         (sync_compare_and_swap<mode>): Same.
10499         (sync_lock_test_and_set<mode>): Same.
10500
10501 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10502
10503         Rewrite PIC support to more closely model actual instructions.
10504         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10505         (cris_symbol): Remove prototypes for removed functions.
10506         (cris_pic_symbol_type_of, cris_valid_pic_const)
10507         (cris_expand_pic_call_address): Prototypes for new functions.
10508         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10509         variable.
10510         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10511         modifiers.
10512         <case ':'>: Add case for new punctuation character.
10513         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10514         emitting (extra) PIC modifier.
10515         <case UNSPEC>: Do not assert for PLT.
10516         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10517         (cris_expand_prologue, cris_expand_epilogue): Check
10518         for pic_offset_table_rtx usage instead of taking
10519         current_function_uses_pic_offset_table as the final word.
10520         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10521         Remove flag_pic difference.
10522         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10523         the moral equivalents of...
10524         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10525         functions.
10526         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10527         (cris_handle_option): Mark ARG as unused.
10528         (cris_expand_pic_call_address): New worker function for "call",
10529         "call_value".
10530         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10531         output PIC constructs here.
10532         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10533         as symbol-specific modifers, not whole or part of operands.
10534         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10535         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10536         constants and flag_pic.
10537         (CONSTANT_INDEX_P): Adjust for new functions.
10538         (enum cris_pic_symbol_type): New helper type.
10539         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10540         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10541         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10542         define_constants.
10543         ("movsi"): Emit actual instructions for GOT and relative access.
10544         ("*movsi_got_load"): New pattern to set up the register holding
10545         the GOT pointer.
10546         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10547         Adjust FIXME for 'S'.
10548         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10549         Use "movs" for -fpic cases.
10550         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10551         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10552         ("call", "call_value"): Just call cris_expand_pic_call_address for
10553         PIC addresses.
10554         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10555         Remove special pattern.
10556         ("*expanded_call_side", "*expanded_call_value_side"): New
10557         patterns.
10558         (gotplt-to-plt, gotplt-to-plt-side-call)
10559         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10560         peephole2:s.
10561         * config/cris/cris/predicates.md
10562         ("cris_general_operand_or_gotless_symbol"): Remove unused
10563         predicate.
10564         ("cris_general_operand_or_symbol"): Adjust for new functions.
10565
10566 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10567
10568         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10569
10570 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10571
10572         * Makefile.in (TREE_H): Add treestruct.def.
10573         (c-decl.o): Add pointer-set.h
10574         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10575         visibility on regular DECL's.
10576         (merge_decls): Fix the copying of decl nodes of various types for
10577         the new structures.  Don't update RTL, section name, weak status,
10578         etc, on DECL's without RTL.
10579         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10580         Don't check volatile on non-variable types.
10581         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10582         to check whether we have seen arguments.
10583         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10584         flag is checked before field (flag is common, field is not).
10585         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10586         TS_DECL_COMMON could have an origin.
10587         (add_location_or_const_value_attribute): Don't check section name
10588         on non-var/function decls.
10589         (dwarf2out_var_location): Reverse order of tests.
10590         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10591         with DECL_WRTL_CHECK.
10592         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10593         * fold-const.c (fold_binary): Don't check weakness on
10594         non-var/function decls.
10595         (tree_expr_nonzero_p): Ditto.
10596         (fold_checksum_tree): Use tree_decl_extra as sizeof
10597         buffer.
10598         * ggc-page.c (extra_order_size_table): Add sizes for
10599         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10600         tree_field_decl.
10601         * gimplify.c (gimplify_bind_expr): Only set
10602         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10603         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10604         without RTL.
10605         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10606         * langhooks.h (init_ts). New langhook.
10607         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10608         * print-tree.c (print_node): Update to only print fields that
10609         exist in the structures the passed decl has.
10610         * toplev.c (wrapup_global_declarations): Don't reset
10611         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10612         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10613         * tree-inline.c (remap_decl): Ditto.
10614         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10615         * tree-pretty-print.c (print_declaration): Don't print
10616         DECL_REGISTER on things that don't contain it.
10617         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10618         non-var/function decls.
10619         * tree.c (tree_contains_struct): New structure.
10620         (init_priority_for_decl): New hashtable.
10621         (tree_int_map): New structure.
10622         (tree_int_map_eq): New function.
10623         (tree_int_map_marked_p): Ditto.
10624         (tree_int_map_hash): Ditto.
10625         (tree_map): Move to tree.h.
10626         (tree_map_eq): Externalize.
10627         (tree_map_hash): Ditto.
10628         (tree_map_marked_p): Ditto.
10629         (init_ttree): Set up tree_contains_struct and call langhook.
10630         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10631         (tree_code_size): Update for new structures.
10632         (tree_node_structure): Update for new structures.
10633         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10634         without the field.
10635         (copy_node_stat):  Copy init priority.
10636         (build_decl_stat): Ditto for visibility.
10637         (ts_enum_names): New.
10638         (tree_contains_struct_check_failed): New function.
10639         (decl_init_priority_lookup): Ditto.
10640         (decl_init_priority_insert): Ditto.
10641         * treestruct.def: New file.
10642         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10643         (CONTAINS_STRUCT_CHECK): Ditto.
10644         (tree_contains_struct_check_failed): New prototype.
10645         (DECL_CHECK): Removed.
10646         (DECL_MINIMAL_CHECK): New.
10647         (DECL_COMMON_CHECK): Ditto.
10648         (DECL_WRTL_CHECK): Ditto.
10649         (DECL_NON_COMMON_CHECK): Ditto.
10650         (DECL_WITH_VIS_CHECK): Ditto.
10651         (VAR_OR_FUNCTION_DECL_P): Ditto
10652         (struct tree_decl_minimal): New structure.
10653         (struct tree_decl_common): Ditto.
10654         (struct tree_decl_with_rtl): Ditto.
10655         (struct tree_decl_with_vis): Ditto.
10656         (struct tree_decl_non_common): Ditto.
10657         (struct tree_field_decl): Ditto.
10658         (struct tree_parm_decl): Ditto.
10659         (struct tree_var_decl): Ditto.
10660         (struct tree_function_decl): Ditto.
10661         (struct tree_const_decl): Ditto.
10662         (struct tree_result_decl): Ditto.
10663         (union tree_node): Add new structures.
10664         * var-tracking.c (track_expr_p): Reverse order of tests.
10665
10666         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10667
10668 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10669
10670         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10671         * system.h: Poison FINALIZE_PIC.
10672         * doc/tm.texi (FINALIZE_PIC): Remove.
10673
10674 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10675
10676         PR tree-opt/22329
10677         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10678         to the correct type if we have a MODIFY_EXPR.
10679
10680 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10681
10682         PR tree-optimization/22360
10683         * tree.c (upper_bound_in_type): Fix calculations for casting
10684         to a non-wider signed type and casting a signed value to a
10685         wider unsigned type.
10686         (lower_bound_in_type): Fix calculations for casting to a
10687         non-wider signed type.
10688
10689         PR tree-optimization/20139
10690         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10691         release_defs.
10692         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10693         fold_cond_expr_cond.
10694         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10695         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10696
10697 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10698
10699         PR tree-opt/22356
10700         * tree-complex.c (expand_complex_libcall): Produce
10701         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10702
10703 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10704
10705         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10706         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10707         b" assert and inserted fastpath code for this case.
10708         (bitmap_ior): Removed "a != b" assert.
10709
10710 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10711
10712         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10713         (ENDFILE_SPEC): Likewise.
10714         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10715
10716         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10717         a large stack frame at epilogue.
10718
10719 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10720
10721         * final.c: Include sdbout.h when required.
10722
10723 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10724
10725         * config.gcc (*-*-darwin*): Only one target-specific header file
10726         for generic darwin.
10727         (powerpc-*-darwin*): Add version-specific header files.
10728         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10729         * config.in: Regenerate.
10730         * configure: Regenerate.
10731         * gcc.c: Include xregex.h.
10732         (version_compare_spec_function): New.
10733         (spec_function): Add version-compare.
10734         (replace_outfile_spec_function): Reformat comment.
10735         (compare_version_strings): New.
10736         * config/darwin-c.c (version_as_macro): New.
10737         (builtin_define): New.
10738         (darwin_cpp_builtins): New.
10739         * config/darwin-protos.h (darwin_cpp_builtins): New.
10740         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10741         (LIB_SPEC): Make unconditional, update comment.
10742         (TARGET_C99_FUNCTIONS): Define.
10743         * config/darwin.opt: Sort.
10744         (mmacosx-version-min=): New.
10745         * config/darwin7.h: Delete.
10746         * config/darwin8.h: Delete.
10747         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10748         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10749         (TARGET_C99_FUNCTIONS): Define.
10750         * config/rs6000/darwin7.h: New.
10751         * config/rs6000/darwin8.h: New.
10752         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10753         (-mmacosx-version-min): Document.
10754
10755 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10756
10757         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10758
10759 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10760
10761         PR middle-end/22239
10762         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10763
10764 2005-07-07  Khem Raj  <kraj@mvista.com>
10765
10766         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10767         in bytes, not words.
10768
10769 2005-07-07  Paul Brook  <paul@codesourcery.com>
10770
10771         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10772         DEFAULT_FUNCTION_ARG_PADDING to upward.
10773
10774 2005-07-07  Richard Henderson  <rth@redhat.com>
10775
10776         * function.c (locate_and_pad_parm): Record parameter alignment in
10777         stack_alignment_needed.
10778
10779 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10780
10781         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10782         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10783         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10784         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10785         (define_attr "type"): Add isync, sync, load_l, store_c.
10786         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10787         Create scratch volatile MEM.
10788         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10789         sync.
10790         (load_locked_<mode>): New.
10791         (store_conditional_<mode>): New.
10792         (sync_compare_and_swap<mode>): Replace with splitter.
10793         (sync_lock_test_and_set<mode>): Replace with splitter.
10794         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10795         and UNSPECV_ISYNC.
10796         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10797         is ics.  Attribute isync.
10798         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10799         lwsync.
10800         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10801         and UNSPECV_SYNC_OP.
10802         (emit_unlikely_jump): New.
10803         (emit_load_locked): New.
10804         (emit_store_conditional): New.
10805         (rs6000_split_compare_and_swap): New.
10806         (rs6000_split_lock_test_and_set): New.
10807         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10808         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10809         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10810         rs6000_split_lock_test_and_set): Declare.
10811         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10812         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10813         store_c, isync, sync.
10814
10815 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10816
10817         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10818         filenames to gtyp-gen.h.
10819         (s-typ-gen): Use it in place of for loops.
10820
10821 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10822
10823         * hooks.c (hook_bool_rtx_int_false): New function.
10824         * hooks.h (hook_bool_rtx_int_false): Declare.
10825         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10826         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10827         * target.h (struct gcc_target): Add commutative_p member.
10828         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10829         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10830         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10831         (pa_commutative_p): New function.
10832         * jump.c (target.h): Include.
10833         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10834         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10835
10836 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10837
10838         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10839         (s390_expand_setmem): New.
10840         * config/s390/s390.c: Likewise.
10841         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10842         Adapt comments.
10843         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10844         general_operand.  Call new function "s390_expand_setmem".
10845         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10846         ("setmem_long", "*setmem_long"): ... this.
10847
10848 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10849
10850         * config/s390/s390.c: (optimization_options): Enable
10851         TARGET_MVCLE at -Os.
10852         * doc/invoke.texi: Document changes in default behaviour.
10853         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10854
10855 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10856
10857         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10858         defined by back-end.
10859
10860 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10861
10862         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10863         all sets in the pattern.
10864         * config/rs6000/rs6000.md (stack_protect_testsi,
10865         stack_protect_testdi): Likewise.
10866
10867 2005-07-06  Jeff Law  <law@redhat.com>
10868
10869         * tree-vrp.c (simplify_using_ranges): Kill.
10870         (vrp_finalize): Remove call to simplify_using_ranges.
10871         (simplify_stmt_using_ranges): New function extracted from
10872         simplify_using_ranges.
10873         (simplify_div_or_mod_using_ranges): Likewise.
10874         (simplify_abs_using_ranges): Likewise.
10875         (simplify_cond_using_ranges): New function.
10876         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10877         * tree-ssa-propagate.c (substitute_and_fold): Call
10878         simplify_stmt_using_ranges if we have range information.
10879
10880 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10881
10882         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10883         ia64_flag_schedule_isns2.
10884
10885         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10886         reading/writing general registers.
10887         (ia64_function_arg): Revert 2005-06-18 change.
10888
10889 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10890
10891         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10892         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10893
10894 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10895
10896         * function.c (expand_function_end): Revert part of 2005-06-27
10897         patch.  Do sjlj_emit_function_exit_after after return_label.
10898
10899 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10900
10901         * doc/install.texi (--disable-libssp): New.
10902
10903 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10904
10905         * doc/invoke.texi: Update -fforce-mem documentation.
10906         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10907         code for -fforce-mem.
10908         * expmed.c: (store_bit_field,store_fixed_bit_field,
10909         extract_bit_field): Ditto.
10910         * expr.c: (convert_move): Ditto.
10911         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10912         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10913         emit_conditional_add,expand_float,expand_fix): Ditto.
10914         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10915         (common_handle_option): Issue warning when -fforce-mem specified.
10916
10917 2005-07-06  Paul Brook  <paul@codesourcery.com>
10918
10919         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10920         argument is empty.
10921         * configure: Regenerate.
10922
10923 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10924
10925         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10926
10927 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10928
10929         Fix PR tree-optimization/22319
10930         Fix PR tree-optimization/22140
10931         Fix PR tree-optimization/22310
10932
10933         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10934         variable sized types.
10935         Use correct type for intermediate structure on *a = *b structure
10936         copies.
10937
10938 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10939
10940         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10941         Remove.
10942         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10943         (machine_function): Move typedef to...
10944         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10945         varargs_save_offset field.
10946         (rs6000_stack_t): Remove varargs_size field.
10947         (setup_incoming_varargs): Allocate varargs save area using
10948         assign_stack_local, try to make it as small as possible.
10949         Save offset from virtual_stack_vars_rtx to the save area
10950         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10951         instead of magic 8 when fp word byte size is used.
10952         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10953         instead of -RS6000_VARARGS_SIZE.
10954         (rs6000_stack_info, debug_stack_info,
10955         rs6000_initial_elimination_offset): Remove all traces of
10956         varargs_size.
10957         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10958         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10959         RS6000_VARARGS_AREA.
10960
10961 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10962
10963         PR tree-optimization/21963
10964         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10965         constant_multiple_of in the same way get_computation_cost_at does.
10966
10967 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10968
10969         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10970         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10971         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10972         and return its previous value.
10973         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10974         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10975         constants.
10976         (stack_protect_set, stack_protect_test): New expanders.
10977         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10978         stack_protect_testdi): New insns.
10979         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10980         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10981
10982 2005-07-06  Jeff Law  <law@redhat.com>
10983
10984         * tree-ssa-dce.c (cfg_altered): New global.
10985         (tree_dce_init): Initialize cfg_altered.
10986         (remove_dead_stmt): If we remove an edge in the CFG, then set
10987         CFG_ALTERED.
10988         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10989         the dominators.
10990
10991 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10992
10993         * Makefile.in (stamp-collect-ld): Use
10994         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10995         ./collect-ld if it already exists.
10996         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10997         Don't remove ./nm if it already exists.
10998
10999 2005-07-05  Devang Patel  <dpatel@apple.com>
11000
11001         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11002         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11003         * tree-vectorizer.c (vect_loop_location): New.
11004         (vect_print_dump_info): Use vect_loop_location.
11005         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11006         (vectorize_loops): Set vect_loop_location.
11007         * tree-vect-analyze.c (vect_analyze_offset_expr,
11008         vect_determin_vectorization_factor, vect_analyze_operations,
11009         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11010         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11011         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11012         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11013         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11014         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11015         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11016         vect_analyze_loop): Adjust vect_print_dump_info API.
11017         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11018         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11019         vect_finish_stmt_generation, vectorizable_assignment,
11020         vectorizable_operation, vectorizable_store, vectorizable_load,
11021         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11022         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11023         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11024         vect_transform_loop): Same.
11025         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11026         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11027         Same.
11028
11029 2005-07-05  Randolph Chung  <tausq@debian.org>
11030
11031         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11032         * configure: Regenerate.
11033         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11034         (pa_tls_referenced_p): Declare.
11035         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11036         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11037         (legitimize_tls_address): New.
11038         (hppa_legitimize_address): Handle TLS addresses.
11039         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11040         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11041         (emit_move_sequence): Handle TLS addresses.
11042         (pa_encode_section_info): Call default handler to handle common
11043         sections.
11044         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11045         (CONSTANT_ADDRESS_P): Reject TLS operands.
11046         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11047         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11048         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11049         (UNSPEC_TLSLE): Define new constants.
11050         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11051         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11052         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11053         (tie_symbolic_operand, tle_symbolic_operand): New
11054
11055 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11056
11057         * aclocal.m4: Update macros for autoconf 2.59 style.
11058         * configure.ac: Likewise.
11059
11060 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11061
11062         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11063         (function_arg): Pass small aggregates in general registers on 32-bit
11064         targets.
11065         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11066
11067 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11068
11069         * Makefile.in (final.o): Fix dependencies.
11070
11071 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11072
11073         PR c/22013
11074         PR c/22098
11075         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11076         * langhooks.c (lhd_expr_to_decl): New.
11077         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11078         New.
11079         (LANG_HOOKS_INITIALIZER): Update.
11080         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11081         expr_to_decl langhook.
11082         * c-tree.h (c_expr_to_decl): Declare.
11083         * c-typeck.c (c_expr_to_decl): New.
11084         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11085         specially.
11086         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11087
11088 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11089
11090         PR c/22308
11091         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11092         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11093
11094 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11095
11096         * Makefile.in: Adjust dependencies.
11097         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11098         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11099         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11100         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11101         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11102         rest_of_compilation.
11103
11104         * bb-reorder.c (gate_duplicate_computed_gotos,
11105         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11106         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11107         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11108         pass_partition_blocks): New.
11109         * bt-load.c (gate_handle_branch_target_load_optimize,
11110         rest_of_handle_branch_target_load_optimize,
11111         pass_branch_target_load_optimize): New.
11112         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11113         pass_jump2): New.
11114         * cfglayout.c (pass_insn_locators_initialize): New.
11115         * cfgrtl.c (pass_free_cfg): New.
11116         * combine.c (gate_handle_combine, rest_of_handle_combine,
11117         pass_combine): New.
11118         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11119         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11120         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11121         * except.c (pass_set_nothrow_function_flags,
11122         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11123         pass_rtl_eh): New.
11124         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11125         rest_of_handle_shorten_branches, pass_shorten_branches,
11126         rest_of_clean_state, pass_clean_state): New.
11127         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11128         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11129         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11130         pass_flow2): New.
11131         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11132         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11133         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11134         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11135         pass_gcse): New.
11136         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11137         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11138         pass_rtl_ifcvt, gate_handle_if_after_combine,
11139         rest_of_handle_if_after_combine, pass_if_after_combine,
11140         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11141         pass_if_after_reload): New.
11142         * integrate.c (pass_initial_value_sets): New.
11143         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11144         pass_purge_lineno_notes): New.
11145         * mode-switching.c (rest_of_handle_mode_switching,
11146         pass_mode_switching): New.
11147         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11148         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11149         pass_loop2): New.
11150         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11151         pass_loop_optimize): New.
11152         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11153         pass_sms): New.
11154         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11155         pass_gcse2): New.
11156         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11157         pass_postreload_cse): New.
11158         * profile.c (gate_handle_profiling, pass_profiling,
11159         rest_of_handle_branch_prob, pass_branch_prob): New.
11160         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11161         pass_split_before_regstack, gate_handle_split_before_regstack,
11162         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11163         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11164         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11165         pass_stack_regs): New.
11166         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11167         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11168         pass_stack_adjustments): New.
11169         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11170         pass_regrename): New.
11171         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11172         pass_delay_slots, gate_handle_machine_reorg,
11173         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11174         * rtl.h (extern void purge_line_number_notes): New.
11175         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11176         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11177         pass_sched2): New.
11178         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11179         pass_tracer): New.
11180         * value-prof.c (gate_handle_value_profile_transformations,
11181         rest_of_handle_value_profile_transformations,
11182         pass_value_profile_transformations): New.
11183         * var-tracking.c (gate_handle_var_tracking,
11184         pass_variable_tracking): New.
11185         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11186
11187         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11188         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11189         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11190         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11191         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11192         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11193         rest_of_handle_gcse2, rest_of_handle_regmove,
11194         rest_of_handle_tracer, rest_of_handle_if_conversion,
11195         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11196         rest_of_handle_web, rest_of_handle_branch_prob,
11197         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11198         rest_of_handle_jump_bypass, rest_of_handle_combine,
11199         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11200         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11201         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11202         rest_of_handle_mode_switching, rest_of_handle_jump,
11203         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11204         rest_of_handle_flow2, rest_of_handle_jump2,
11205         rest_of_handle_peephole2, rest_of_handle_postreload,
11206         rest_of_handle_shorten_branches, rest_of_clean_state,
11207         rest_of_compilation): Remove.
11208
11209         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11210         * passes.c (dump_flags, in_gimple_form, all_passes,
11211         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11212         register_dump_files, next_pass_1, last_verified, execute_todo,
11213         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11214         from tree-optimize.c.
11215         (init_optimization_passes): Moved from tree-optimize.c,
11216         adding the RTL optimizations.
11217         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11218         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11219         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11220         register_dump_files, next_pass_1, last_verified, execute_todo,
11221         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11222         init_tree_optimization_passes, ipa_passes): Delete.
11223         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11224         the RTL dumps.
11225         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11226         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11227         from tree.h.
11228         (ipa_passes): Remove.
11229         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11230         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11231         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11232         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11233         (dump_info_p, dump_flag): Moved to tree-dump.h.
11234
11235         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11236         cgraph.c, opts.c.
11237         * passes.c (finish_optimization_passes): Use dump_begin
11238         and dump_end, TDI_end.
11239         (gate_rest_of_compilation): New.
11240         (pass_rest_of_compilation): Use it.
11241         (gate_postreload, pass_postreload): New.
11242         * toplev.c (general_init): Rename init_tree_optimization_passes.
11243         * toplev.h (init_tree_optimization_passes): Rename to
11244         init_optimizations_passes.
11245         * tree-dump.c (dump_flag): Make static.
11246         (dump_files): Remove RTL dumps.
11247         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11248         pass_cleanup_cfg, pass_free_cfg_annotations,
11249         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11250         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11251         * tree-pretty-print.c: Include tree-pass.h.
11252         * cgraph.c: Include tree-dump.h.
11253
11254 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11255
11256         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11257         Only fall back to saying it points to readonly memory if
11258         we can't do better.
11259
11260 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11261
11262         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11263         * config/m32r/m32r.c (m32r_compute_frame_size,
11264         m32r_expand_prologue): Take current_function_profile into
11265         account whenever we reference
11266         current_function_uses_pic_offset_table.
11267         (m32r_finalize_pic): Remove.
11268         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11269
11270 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11271
11272         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11273         instead of $<.  Don't remove ./as if it already exists.
11274
11275 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11276
11277         PR target/21723
11278         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11279         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11280         for complex modes when generating code for PA 1.0.
11281         (VALID_FP_MODE_P): New macro.
11282         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11283         sets for all general and floating point modes.  Align wide floating
11284         point modes to even register boundaries to comply with architectural
11285         requirements.
11286         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11287         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11288         (VALID_FP_MODE_P): New macro.
11289         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11290         sets for all general and floating point modes.  Align wide floating
11291         point modes to even register boundaries to comply with architectural
11292         requirements.
11293
11294 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11295
11296         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11297         to 0.
11298
11299 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11300
11301         * tree-ssa-structalias.c: Don't include expr.h.
11302
11303 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11304
11305         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11306         comments.
11307
11308 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11309
11310         Fix PR tree-optimization/22279
11311
11312         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11313         correct operator.
11314
11315 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11316
11317         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11318
11319 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11320
11321         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11322         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11323         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11324         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11325         config/stormy16/stormy16.c, config/v850/v850.c,
11326         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11327         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11328         Avoid "." or "\n" at end of diagnostics and capital letters at
11329         start of diagnostics.
11330         * combine.c, cse.c: Don't translate dump file output.
11331         * toplev.c (print_version): Only translate output if going to
11332         stderr.
11333
11334 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11335
11336         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11337         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11338         typos.
11339
11340 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11341
11342         * pa.c (fix_range): Fix typo in comment.
11343
11344 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11345
11346         * tree-vrp.c (extract_range_from_assert): Replace
11347         fold (build (...)) with fold_build2.
11348
11349 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11350
11351         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11352         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11353         (format_types_orig, handle_format_attribute): Add support for
11354         format "gcc_gfc".
11355
11356 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11357
11358         * varasm.c (assemble_variable): Fix format specifier thinko.
11359
11360 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11361
11362         PR tree-optimization/22029 (and 22135)
11363         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11364         a phi node before calling dump_vops.
11365
11366 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11367
11368         * tree-dump.h (dump_string_field): Declare.
11369         * tree-dump.c: Use it instead of dump_string.
11370         (dump_string_field): Make non-static.
11371
11372 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11373
11374         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11375         up the minimal CFG stuff always when optimize > 0.  Call
11376         split_all_insns_noflow in PIC case if needed.
11377
11378 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11379             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11380
11381         PR c++/18279
11382         * c-decl.c (c_write_global_declarations): Dump contents of
11383         external scope to.
11384         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11385         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11386         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11387         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11388         is enabled.
11389
11390 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11391
11392         * c-common.h (GCC_DIAG_STYLE): Define.
11393         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11394         version for format checking to 4.1.
11395         * c-format.c: Include toplev.h after c-common.h.
11396         (enum format_type): Add gcc_tdiag_format_type.
11397         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11398         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11399         (format_types_orig): Add gcc_tdiag.
11400         (init_dynamic_diag_info): Support gcc_tdiag formats.
11401         (handle_format_attribute): Likewise.
11402         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11403         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11404         version for format checking to 4.1.
11405         (warning0, warning, error, pedwarn, sorry): Use
11406         ATTRIBUTE_GCC_DIAG.
11407         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11408         (finish_aliases_1): Do not use %qE.
11409         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11410         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11411         Correct format bugs.
11412         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11413         parameter to unsigned HOST_WIDE_INT.
11414         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11415
11416 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11417
11418         PR middle-end/21742
11419         * expr.c (write_complex_part): Use adjust_address for MEM.
11420         (read_complex_part): Same.
11421
11422 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11423
11424         Fix PR tree-optimization/22280
11425
11426         * tree-sra.c (generate_element_init): Remove useless loop.
11427
11428 2005-07-02  Richard Henderson  <rth@redhat.com>
11429
11430         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11431         TLS_MODEL_NONE.
11432         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11433
11434 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11435
11436         PR middle-end/14490
11437         * fold-const.c (fold_binary): Handle the return value of
11438         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11439         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11440
11441 2005-07-02  Jeff Law  <law@redhat.com>
11442
11443         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11444         a eliminate type conversion which feeds an equality comparison
11445         if the original type or either operand in the comparison is a
11446         function pointer.
11447
11448 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11449
11450         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11451         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11452         texts.
11453         * config/avr/avr.c: Do not use '`' as left quote.
11454         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11455         Remove "." from end of diagnostics.  Make diagnostics start with
11456         lowercase letter.
11457
11458 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11459             Joseph S. Myers  <joseph@codesourcery.com>
11460
11461         * toplev.c (default_tree_printer): Handle setting location with
11462         '+' flag.
11463         * c-objc.common.c (c_tree_printer): Likewise.
11464         * c-format.c (gcc_diag_flag_specs): Add '+'.
11465         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11466         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11467         formats.
11468         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11469         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11470         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11471         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11472         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11473         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11474         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11475         format arguments where %J is used without %D.
11476
11477 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11478
11479         * gcc.c (LINK_SSP_SPEC): Define.
11480         (link_ssp_spec): New variable.
11481         (LINK_COMMAND_SPEC): Add %(link_ssp).
11482         (static_specs): Add link_ssp_spec.
11483         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11484         * configure: Rebuilt.
11485         * config.in: Rebuilt.
11486
11487         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11488         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11489         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11490         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11491         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11492         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11493         -0x7008(2) instead of reading __stack_chk_guard variable.
11494         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11495         number.
11496         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11497         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11498         if TARGET_THREAD_SSP_OFFSET is defined.
11499         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11500         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11501
11502         Revert:
11503         2005-06-27  Richard Henderson  <rth@redhat.com>
11504         * libgcc-std.ver (GCC_4.1.0): New.
11505         * libgcc.h (__stack_chk_guard): Declare.
11506         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11507         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11508         * mklibgcc.in (lib2funcs): Add them.
11509
11510 2005-07-01  Richard Henderson  <rth@redhat.com>
11511
11512         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11513         void * before struct sigcontext *.
11514         (x86_fallback_frame_state): Likewise.
11515
11516 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11517
11518         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11519
11520 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11521
11522         PR tree-opt/22269
11523         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11524         we check for SSA_NAME for.
11525
11526 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11527
11528         Fix PR tree-optimization/22071
11529
11530         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11531         function.
11532         (get_constraint_for_component_ref): Use it.
11533
11534 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11535
11536         PR other/22264
11537         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11538         print out the last new line.
11539
11540 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11541
11542         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11543         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11544         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11545         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11546         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11547         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11548         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11549         (enum reg_class): New member CC0_REGS.
11550         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11551         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11552         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11553         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11554         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11555         Adjust for register now described.
11556
11557 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11558
11559         PR target/22262
11560         * config/i386/i386.md (stack_protect_test_si,
11561         stack_protect_test_di): Add earlyclobber for scratch 3.
11562         * config/rs6000/rs6000.md (stack_protect_testsi,
11563         stack_protect_testdi): Add earlyclobber for scratch 3,
11564         remove earlyclobber from scratch 4.
11565
11566 Older entries for 2005 can be found in ChangeLog-2005.