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* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-12  Jeff Law  <law@redhat.com>
2
3         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
4         reassociation code.
5         * passes.c (init_optimization_passes): Run reassociation again
6         after loop optimizations.
7
8 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
9
10         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
11         if necessary.
12         (optimize_stmt): Ditto.
13         (canonicalize_comparison): New function.
14         * tree-ssa-operands.c (swap_tree_operands): Make external.
15         (get_expr_operands): Stop auto-canonicalization.
16         * tree-ssa-reassoc.c: Rewrite.
17         (init_optimization_passes): 
18         * tree-flow.h (swap_tree_operands): Prototype.
19         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
20
21 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22
23         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
24         indicate function epilogue has been output.
25         (pa_asm_output_mi_thunk): Likewise.
26         (output_deferred_plabels): Put plabels in readonly data section when
27         not generating PIC code.
28         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
29         information.  Add assert.
30         (som_output_comdat_data_section_asm_op): New function.
31         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
32         instead of output_section_asm_op for COMDAT sections.
33
34 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
35
36         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
37         Fix whitespace in vincinity of to-be-installed changes.
38         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
39         (insns_match_p): Likewise.
40
41 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
42
43         * config.gcc (ms1): Replace with ...
44         (mt): ... this.
45         * config/ms1: Rename to ...
46         * config/mt: ... here.  Rename ms1 files to mt.
47         * config/mt/mt.c: Adjust gt-mt.h #include.
48         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
49         (crti.o, crtn.o): Adjust file names.
50
51 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
52
53         * varray.h: Allow compilation with a C++ compiler.
54         (union varray_data_tag): Prefix all field names with "vdt_".
55         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
56         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
57         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
58         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
59         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
60         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
61         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
62         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
63         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
64         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
65         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
66         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
67         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
68         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
69         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
70         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
71         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
72         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
73         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
74         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
75         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
76         VARRAY_TOP_TREE_PTR): Likewise.
77         * varray.c (varray_grow): Likewise.
78         (varray_clear): Likewise.
79
80 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
81
82         PR target/25299
83         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
84         alignment to doubleword if the first field is a double array.
85         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
86
87 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
88
89         * tree-ssa-structalias.c (process_constraint): Remove code to
90         transform addressofs into scalar.
91         (create_variable_info_for): In whole-program IPA, globals don't
92         point to ANYTHING by default.
93
94 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
95
96         * timevar.def (TV_IPA_PTA): New.
97         * tree-pass.h (pass_ipa_pta): New
98         * tree-ssa-structalias.c: Include cgraph.h
99         (in_ipa_mode): New.
100         (predbitmap_obstack): New.
101         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
102         (struct constraint_stats): Add num_edges.
103         (new_var_info): Don't call bitmap_clear.
104         (struct constraint_edge): Update docs.
105         (new_constraint_edge): Remove src param.
106         (struct constraint_graph): Add zero_weight_succs,
107         zero_weight_preds.  Update docs.
108         (constraint_expr_equal): Reformat.
109         (constraint_edge_equal): Update for removal of src.
110         (constraint_edge_less): Ditto.
111         (constraint_edge_vec_find): Ditto.
112         (erase_graph_self_edge): Update for removal of src and and zero
113         weight bitmap.
114         (clear_edges_for_node): Ditto.
115         (add_graph_edge): Ditto.
116         (get_graph_weights): Ditto.
117         (allocate_graph_weights): Ditto.
118         (merge_graph_nodes): Ditto.
119         (int_add_graph_edge): Ditto.
120         (valid_graph_edge): Ditto.
121         (valid_weighted_graph_edge): Ditto.
122         (build_constraint_graph): Ditto.
123         (scc_visit): Ditto.
124         (collapse_nodes): Ditto.
125         (process_unification_queue): Ditto.
126         (topo_visit): Ditto.
127         (solve_graph): Ditto.
128         (do_structure_copy): Ditto.
129         (perform_var_substitution): Ditto.
130         Init and release obstack.
131         (handle_ptr_arith): Try to resolve directly.
132         (find_func_aliases): Don't call update_alias_info here
133         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
134         (do_sd_constraint): Add code for propagating faster.
135         Update.
136         (do_ds_constraint): Ditto.
137         (count_num_arguments): New function.
138         (create_function_info_for): Ditto.
139         (create_variable_info_for): Handle FUNCTION_DECL.
140         (intra_create_variable_infos): Use make_constraint_to_anything.
141         (init_alias_vars): Init obstacks here.
142         (need_to_solve): Handle zero weight graph changes.
143         (compute_points_to_sets): Call update_alias_info here.
144         (delete_points_to_sets): Free zero weight preds/succs here.
145         (gate_ipa_pta): New.
146         (ipa_pta_execute): New
147
148 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
149
150         * tree-ssa-structalias.c (var_anyoffset): Removed.
151         (anyoffset_tree): Ditto.
152         (anyoffset_id): Ditto.
153         (do_deref): Take vector of constraints, no return value.
154         Update to work on vector.                
155         (get_constraint_for): Ditto.
156         (get_constraint_for_component_ref): Ditto.
157         (do_structure_copy): Ditto.
158         (handle_ptr_arith): Ditto.
159         (find_func_aliases): Ditto.
160         (set_uids_in_ptset): Remove anyoffset handling.
161         (init_base_vars): Ditto.
162
163 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
164
165         PR c++/25010
166         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
167         DECL_EXTERNAL functions have no bodies.  Tidy.
168
169 2005-12-10  Andreas Schwab  <schwab@suse.de>
170
171         * except.c (switch_to_exception_section): Only define if
172         TARGET_UNWIND_INFO is not defined.
173
174 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
175
176         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
177         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
178
179 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
180
181         * output.h (init_section, fini_section): Delete.
182         * varasm.c (init_section, fini_section): Delete.
183         (init_varasm_once): Don't initialize them.
184         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
185         there are no corresponding varasm.c variables.
186
187 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
188
189         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
190         of EH_FRAME_SECTION_NAME into...
191         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
192         if it is still null.
193         * except.c (default_exception_section): Delete, moving most
194         of the code to...
195         (switch_to_exception_section): ...this new function.  Set
196         exception_section if it is still null, then switch to it.
197         (output_function_exception_table): Use switch_to_exception_section.
198         * varasm.c (exception_section, eh_frame_section): Update comments.
199         (get_section): Hoist use of SECTION_NAMED.
200         (init_varasm_once): Don't set exception_section and eh_frame_section.
201         * output.h (default_exception_section): Delete.
202         (default_eh_frame_section): Delete.
203
204 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
205
206         * config/bfin/bfin.c: Include "cgraph.h".
207         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
208         Return the reg that holds the pointer to the GOT.
209         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
210         doing stack checking.
211
212 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
213
214         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
215         recompute_tree_invarant_for_addr_expr.
216         Update uses everywhere.
217
218 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
219
220         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
221         (MULTILIB_DIRNAMES): Define.
222
223 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
224
225         PR target/25311
226         * config/s390/s390.c (struct s390_address): New field literal_pool.
227         (s390_decompose_address): Compute literal_pool field.  Do not 
228         assume register %r13 is always (and solely) used as pool base.
229         (s390_extra_constraint_str): Use literal_pool field.
230
231 2005-12-09  Thiemo Seufer  <ths@networkno.de>
232
233         * config/mips/mips.c (override_options): Don't allow too small
234         integers in FP registers.
235
236 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
237
238         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
239         targetm.binds_local_p to check for local function calls.
240
241 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
242
243         PR debug/24908
244         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
245         call_used_regs can't be used to save reg in another reg.
246
247 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
248             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
249
250         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
251         abort.
252         * except.c (output_ttype): Likewise.
253         * tree-object-size.c (collect_object_sizes_for): Likewise.
254         (check_for_plus_in_loops_1): Likewise.
255         (check_for_plus_in_loops): Likewise.
256         (compute_object_sizes): Use gcc_unreachable instead of abort.
257
258 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
259
260         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
261         (loop_end, loop_init, doloop_end): New insns.
262         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
263         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
264         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
265         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
266         * config/ms1/ms1.c: #include basic-block.h
267         (struct machine_function): Add has_loops field.
268         (ms1_add_loop): New.
269         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
270         (struct loop_info, struct loop_work): New.
271         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
272         (ms1_reorg_loops): New loop optimization.
273         (ms1_machine_reorg): Call it.
274         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
275
276 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
277
278         PR tree-optimization/25248
279         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
280         evolution_of_loop from the failed attempt.  Remove handling
281         of MULT_EXPR.
282
283 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
284
285         * tree.h (DECL_EXTERNAL): Clarify documentation.
286
287 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
288             Jakub Jelinek  <jakub@redhat.com>
289
290         PR target/25268
291         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
292         argument.  Don't drop outer ANDs.
293         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
294         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
295         prototype.
296         * config/s390/predicates.md (setmem_operand): Remove.
297         (shift_count_operand): Rename to...
298         (shift_count_or_setmem_operand): ... this.  Adjust
299         s390_decompose_shift_count caller.
300         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
301         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
302         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
303         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
304         rotl<mode>3_and, setmem_long_and): New insns.
305         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
306         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
307         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
308         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
309         of shift_count_operand.
310         (setmem_long): Use shift_count_or_setmem_operand instead of
311         setmem_operand.
312
313 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
314             Andreas Tobler  <a.tobler@schweiz.ch>
315
316         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
317         tr expression.
318
319 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
320
321         * expr.c (force_operand): Use convert_to_mode for conversions.
322
323 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
324
325         * reload.h (reg_equiv_invariant): Declare.
326         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
327         register also when reg_equiv_invariant[R] is set.
328
329 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
330             Andreas Tobler  <a.tobler@schweiz.ch>
331
332         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
333
334 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
335
336         * tree-ssa-pre.c (bitmap_set_and): New function.
337         (bitmap_set_and_compl): New function.
338         (bitmap_set_empty_p): New function.
339         (insert_extra_phis): New function.
340         (compute_avail): Use insert_extra_phis.
341
342 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
343
344         * config/s390/s390.c (s390_expand_atomic): New function.
345         Adjust comment of helper functions.
346         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
347         * config/s390/s390.md ("ATOMIC"): New code macro.
348         ("atomic"): Corresponding new code attribute.
349         ("sync_lock_test_and_set[hq]i", 
350         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
351
352 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
353
354         * config/s390/s390.c (s390_expand_mask_and_shift, 
355         struct alignment_context, init_alignment_context, 
356         s390_expand_cs_hqi): New.
357         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
358         * config/s390/s390.md ("sync_compare_and_swaphi",
359         "sync_compare_and_swapqi"): New pattern.
360
361 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
362
363         Fix PR tree-optimization/25291
364         * tree-ssa-operands.c (add_call_clobber_ops): Remove
365         redundant and crashing check.
366
367 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
368
369         PR target/25212
370         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
371         tests further when !strict && reload_in_progress.
372         (print_operand): Check that both operands of indexed address are regs.
373         (print_operand_address): Likewise.
374         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
375         (INT_REG_OK_FOR_BASE_P): Correct.
376
377 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
378
379         Preparation for PR rtl-optimization/20070 / part1
380         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
381         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
382         outgoing_edges_match.
383         (outgoing_edges_match): Use condjump_equiv_p.
384         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
385         into..
386         * struct-equiv.c: New file.
387         (death_notes_match_p) New function, broken out of insns_match_p.
388         * Makefile.in (OBJS-common): Add struct-equiv.o.
389         (struct-equiv.o): New target.
390
391 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
392
393         * coretypes.h: Revert previous change.
394         * config/darwin.h: Revert previous reversion.
395         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
396
397 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
398
399         * coretypes.h (section): Provide dummy definition for target files.
400         * config/darwin.h: Revert previous change.
401
402 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
403
404         * doc/sourcebuild.texi (all.build, install-normal): Remove.
405         * configure.ac: Remove all.build and install-normal from target_list
406         * configure: Regenerate.
407         * Makefile.in (install): Don't depend on install-normal.
408
409 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
410
411         * Makefile.in: Document the use of stamps.
412
413 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
414
415         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
416         * Makefile.in: Add code to compute some dependencies on s-gtype
417         automatically.  Remove the declaration of those dependencies.
418
419 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
420
421         * gcc/reload.c (push_secondary_reload): Fix typo:
422         s/insn_constraint/scratch_constraint/.
423
424 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
425
426         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
427
428 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
429
430         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
431         (alpha_elf_select_rtx_section): Return the selected section rather
432         than emitting assembly code.
433         (alpha_write_linkage): Emit a ".link" directive directly and then
434         set in_section to NULL.
435         (vms_asm_out_constructor): Use switch_to_section.
436         (vms_asm_out_destructor): Likewise.
437         (unicosmk_output_common): Set in_section to NULL instead of calling
438         the dummy common_section function.
439         (unicosmk_text_section): Delete in favor of...
440         (unicosmk_output_text_section_asm_op): ...this new function.
441         (unicosmk_data_section): Delete in favor of...
442         (unicosmk_output_data_section_asm_op): ...this new function.
443         (unicosmk_init_sections): New function.
444         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
445         (unicosmk_output_ssib): Set in_section to NULL instead of calling
446         the dummy ssib_section function.
447         (unicosmk_section_buf): Delete.
448         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
449         (unicosmk_data_section): Delete.
450         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
451         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
452         (SECTION_FUNCTION_TEMPLATE): Delete.
453         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
454         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
455         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
456         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
457         (TARGET_ASM_INIT_SECTIONS): Define.
458         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
459         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
460         (link_section, literals_section): Delete.
461         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
462         set in_section to NULL.
463
464         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
465         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
466         (COMMON_SECTION): Delete.
467         (TARGET_ASM_INIT_SECTIONS): Define.
468         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
469         the dummy common_section function.
470         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
471         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
472         between readonly_data_section and text_section to check whether
473         read-only data is being put in the text section.
474         (arm_output_function_epilogue): Use switch_to_section.
475         (arm_elf_asm_constructor): Likewise.
476         (thumb_call_via_reg): Replace call to in_text_section with
477         a comparison between in_section and text_section.
478         (arm_file_end): Use switch_to_section.
479         (aof_text_section): Delete in favor of...
480         (aof_output_text_section_asm_op): ...this new function.
481         (aof_data_section): Delete in favor of...
482         (aof_output_data_section_asm_op): ...this new function.
483         (aof_asm_init_sections): New function.
484         (zero_init_section): Moved from config/arm/aof.h.
485         (aof_dump_imports, aof_file_start): Use switch_to_section.
486         * config/arm/arm.h (thumb_call_via_label): Update comment.
487         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
488         (common_section): Delete.
489         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
490         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
491         global switch_to_section function instead of the old port-local one.
492         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
493         (SWITCH_TO_SECTION_FUNCTION): Delete.
494         (drectve_section): Redefine as a macro.
495         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
496         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
497         switch_to_section.
498
499         * config/avr/avr.c (progmem_section): New variable.
500         (avr_output_progmem_section_asm_op): New function.
501         (avr_asm_init_sections): New function.
502         (avr_output_addr_vec_elt): Use switch_to_section.
503         * config/avr/avr.h (progmem_section): Declare.
504         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
505         (READONLY_DATA_SECTION): Delete.
506         (TARGET_ASM_INIT_SECTIONS): Define.
507         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
508         * config/avr/avr-protos.h (progmem_section): Delete.
509
510         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
511
512         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
513         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
514
515         * config/darwin-sections.def: New file.
516         * config/darwin.c: Define all sections in darwin-sections.def.
517         (output_objc_section_asm_op, darwin_init_sections): New functions.
518         (machopic_output_indirection): Use switch_to_section.
519         (machopic_select_section): Return the selected section rather than
520         emitting assembly code.  Replace the static function table with
521         inline conditional expressions.  Update the tests of last_text_section
522         and move them into the FUNCTION_DECL block.
523         (machopic_select_rtx_section): Return the selected section rather than
524         emitting assembly code.
525         (machopic_asm_out_constructor, machopic_asm_out_destructor)
526         (darwin_file_end): Use switch_to_section.
527         * config/darwin.h: Use darwin-sections.def to declare sections.
528         (INIT_SECTION_ASM_OP): Remove empty definition.
529         (HAS_INIT_SECTION): Define this instead.
530         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
531         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
532         (TARGET_ASM_EH_FRAME_SECTION): Delete.
533         (TARGET_ASM_INIT_SECTIONS): Define.
534         * config/darwin-protos.h (darwin_init_sections): Declare.
535         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
536         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
537         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
538         (constructor_section, destructor_section, mod_init_section): Delete.
539         (mod_term_section): Delete.
540         (darwin_exception_section, darwin_eh_frame_section): Delete.
541         (machopic_select_section): Return a section.
542         (machopic_select_rtx_section): Likewise.
543         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
544         (const_section, const_coal_section, const_data_section): Delete.
545         (const_data_coal_section, data_coal_section, cstring_section): Delete.
546         (literal4_section, literal8_section, constructor_section): Delete.
547         (mod_init_section, mod_term_section, destructor_section): Delete.
548         (objc_class_section, objc_meta_class_section, objc_category_section)
549         (objc_class_vars_section, objc_instance_vars_section): Delete.
550         (objc_cls_meth_section, objc_inst_meth_section): Delete.
551         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
552         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
553         (objc_symbols_section, objc_module_info_section): Delete.
554         (objc_image_info_section, objc_protocol_section): Delete.
555         (objc_string_object_section, objc_constant_string_object_section)
556         (objc_class_names_section, objc_meth_var_names_section): Delete.
557         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
558         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
559         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
560         (darwin_exception_section, darwin_eh_frame_section): Delete.
561         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
562
563         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
564         (frv_asm_out_destructor): Likewise.
565         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
566         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
567         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
568         get_named_section.
569         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
570         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
571         (data_section): Delete.
572
573         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
574         (DRECTVE_SECTION_FUNCTION): Delete.
575         (drectve_section): Redefine as a macro that sets in_section after
576         emitting the directive.
577         (SWITCH_TO_SECTION_FUNCTION): Delete.
578         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
579         in_text_section with comparison between in_section and text_section.
580         * config/i386/i386.c (x86_64_elf_select_section): Return the section
581         rather than emitting assembly code.  Use get_named_section.
582         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
583         get_named_section.
584         (machopic_output_stub): Use switch_to_section.
585         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
586         (nwld_named_section_asm_out_destructor): Use get_section and
587         switch_to_section.
588
589         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
590         rather than emitting assembly code.
591         (ia64_rwreloc_select_section): Likewise.
592         (ia64_rwreloc_select_rtx_section): Likewise.
593         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
594         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
595         switch_to_section.
596         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
597         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
598
599         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
600         section rather than emitting assembly code.
601         (iq2000_select_section): Likewise.
602         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
603         (sbss_section): Delete.
604
605         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
606         and get_named_section.
607         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
608
609         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
610         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
611         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
612         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
613         in_section to NULL.
614         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
615         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
616         global switch_to_section function instead of the old port-local one.
617         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
618         (SWITCH_SECTION_FUNCTION): Delete.
619         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
620         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
621         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
622         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
623         in_section to NULL.
624         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
625         global switch_to_section function instead of the old port-local one.
626         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
627
628         * config/mips/mips.c (mips_file_start): Update comment.
629         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
630         (mips_output_aligned_decl_common): Use switch_to_section.
631         (mips_select_rtx_section): Return the section rather than emitting
632         assembly code.  Use get_named_section.
633         (mips_function_rodata_section: Likewise get_section.
634         (build_mips16_function_stub): Use switch_to_section.
635         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
636         (SDATA_SECTION_ASM_OP): Delete.
637         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
638         (EXTRA_SECTION_FUNCTIONS): Delete.
639
640         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
641         (mmix_asm_output_aligned_local): Use switch_to_section.
642
643         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
644         (som_one_only_readonly_data_section): New variables.
645         (pa_output_function_epilogue): Set in_section to NULL instead of
646         calling forget_section.
647         (output_deferred_plabels): Use select_section.
648         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
649         of calling forget_section.
650         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
651         (pa_asm_output_aligned_local): Use select_section.
652         (som_text_section_asm_op): Delete in favor of...
653         (som_output_text_section_asm_op): ...this new function.
654         (pa_som_asm_init_sections): New function.
655         (pa_select_section): Return the section rather than emitting
656         assembly code.
657         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
658         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
659         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
660         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
661         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
662         (som_readonly_data_section, som_one_only_readonly_data_section)
663         (som_one_only_data_section, forget_section): Delete.
664         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
665         (TARGET_ASM_INIT_SECTIONS): Define.
666         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
667
668         * config/rs6000/rs6000.c (read_only_data_section): New variable.
669         (private_data_section, read_only_private_data_section): New variables.
670         (sdata2_section, toc_section): New variables.
671         (rs6000_file_start): Use switch_to_section.
672         (rs6000_assemble_integer): Use comparisons against in_section
673         instead of calling in_toc_section and in_text_section.  Use
674         unlikely_text_section_p.
675         (rs6000_elf_output_toc_section_asm_op): New function, derived
676         from the old rs6000/sysv4.h toc_section function.
677         (rs6000_elf_asm_init_sections): New function.
678         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
679         the section rather than emitting assembly code.
680         (machopic_output_stub): Use switch_to_section.
681         (toc_section): Delete dummy function.
682         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
683         switch_to_section and get_section.
684         (rs6000_xcoff_output_readonly_section_asm_op): New function.
685         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
686         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
687         the old rs6000/xcoff.h toc_section function.
688         (rs6000_xcoff_asm_init_sections): New function.
689         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
690         the section rather than emitting assembly code.
691         (rs6000_xcoff_file_start): Use switch_to_section.
692         (rs6000_xcoff_file_end): Likewise.
693         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
694         (sdata2_section, sbss_section, private_data_section): Delete.
695         (read_only_data_section, read_only_private_data_section): Delete.
696         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
697         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
698         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
699         (FINI_SECTION_FUNCTION): Delete.
700         (TARGET_ASM_INIT_SECTIONS): Define.
701         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
702         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
703         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
704         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
705         (READONLY_DATA_SECTION): Delete.
706         (TARGET_ASM_INIT_SECTIONS): Define.
707         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
708         to NULL rather than no_section.
709         (TARGET_ASM_EXCEPTION_SECTION): Delete.
710
711         * config/sh/sh.c (sh_file_start): Use switch_to_section.
712
713         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
714         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
715         from call to current_function_section.
716
717         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
718         (bss100_section): New variable.
719         (xstormy16_asm_output_aligned_common): Use switch_to_section.
720         (xstormy16_asm_init_sections): New function.
721         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
722         switch_to_section and get_section.
723         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
724         from calls to current_function_section.
725         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
726         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
727         (TARGET_ASM_INIT_SECTIONS): Define.
728         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
729
730         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
731         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
732         (FINI_SECTION_FUNCTION): Delete.
733
734         * config/v850/v850.c: Include gt-v850.h.
735         (rosdata_section, rozdata_section, tdata_section, zdata_section)
736         (zbss_section): New variables.
737         (v850_output_aligned_bss): Use switch_to_section.
738         (v850_asm_init_sections): New function.
739         (v850_select_section): Return the section rather than emitting
740         assembly code.
741         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
742         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
743         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
744         (TARGET_ASM_INIT_SECTIONS): Define.
745         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
746         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
747         (zbss_section): Delete.
748
749         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
750
751         * config/vx-common.h (vxworks_exception_section): Delete.
752         (TARGET_ASM_EXCEPTION_SECTION): Delete.
753
754         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
755         section rather than emitting assembly code.
756         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
757         switch_to_section.
758
759         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
760         * coretypes.h (section): New union and typedef.
761         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
762         from call to current_function_section.
763         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
764         (dbxout_symbol_location): Use switch_to_section.
765         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
766         most of the code into...
767         (default_eh_frame_section): ...here.  Return a section.
768         (collect2_eh_frame_section): Delete, moving most of the code into..
769         (switch_to_eh_frame_section): ...this new function.
770         (debug_info_section, debug_abbrev_section, debug_aranges_section)
771         (debug_macinfo_section, debug_line_section, debug_loc_section)
772         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
773         variables.
774         (output_call_frame_info): Call switch_to_eh_frame_section instead of
775         eh_frame_section.  Use switch_to_section and get_section.
776         (dwarf2out_begin_prologue): Use switch_to_section.
777         (AT_string_form): Check the flags in debug_str_section instead of
778         DEBUG_STR_SECTION_FLAGS.
779         (output_comp_unit): Use switch_to_section, get_section, and
780         debug_info_section.
781         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
782         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
783         from call to current_function_section.
784         (dwarf2out_var_location): Use unlikely_text_section_p.
785         (dwarf2out_source_line): Use switch_to_section.  Remove argument
786         from call to current_function_section.
787         (dwarf2out_start_source_file, dwarf2out_end_source_file)
788         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
789         debug_macinfo_section.
790         (dwarf2out_init): Initialize the new section variables.  Use them
791         instead of calls to named_section_flags.  Use switch_to_section.
792         (output_indirect_string): Use switch_to_section and debug_str_section.
793         (dwarf2out_finish): Use switch_to_section and the new section
794         variables.
795         * except.c (default_exception_section): Return the section instead
796         of emitting assembly code.
797         (output_function_exception_table): Use the global exception_section
798         variable instead of the target hook.  Use switch_to_section.  Remove
799         argument from call to current_function_section.
800         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
801         (shorten_branches): Use pointer comparisons to detect whether the
802         text section is the same as readonly_data_section.
803         (profile_function): Use switch_to_section.  Remove argument from
804         call to current_function_section.
805         (final_scan_insn): Likewise.  Update use of last_text_section.
806         * gengtype.c (open_base_files): Add an include of output.h.
807         * output.h (text_section, data_section, readonly_data_section)
808         (ctors_section, dtors_section, bss_section, init_section)
809         (fini_section, sdata_section): Turn into section pointers.
810         (in_text_section, in_unlikely_text_section, exports_section)
811         (drectve_section, named_section, mergeable_string_section)
812         (last_text_section_name): Delete.
813         (default_exception_section, default_eh_frame_section): Return sections.
814         (SECTION_DECLARED, SECTION_NAMED): New macros.
815         (SECTION_MACH_DEP): Bump value.
816         (section_common, named_section, unnamed_section): New structures.
817         (unnamed_section_callback): New typedef.
818         (section): New union.
819         (sbss_section, exception_section, eh_frame_section): New variables.
820         (in_section, last_text_section): Turn into section pointers.
821         (get_unnamed_section, get_section, get_named_section): New functions.
822         (mergeable_constant_section, function_section): Return a section.
823         (unlikely_text_section): Likewise.
824         (current_function_section): Likewise.  Remove the decl argument.
825         (unlikely_text_section_p, switch_to_section): New functions.
826         (output_section_asm_op): New function.
827         (set_named_section_flags, named_section_flags, named_section_real)
828         (named_section_first_declaration): Delete.
829         (default_select_section, default_elf_select_section): Return a section.
830         (default_elf_select_section_1, default_function_rodata_section)
831         (default_no_function_rodata_section, default_select_rtx_section)
832         (default_elf_select_rtx_section): Likewise.
833         * rtl.h (in_data_section): Delete.
834         * sdbout.c (sdbout_one_type): Use switch_to_section.
835         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
836         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
837         (TARGET_ASM_EH_FRAME_SECTION): Poison.
838         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
839         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
840         (TARGET_ASM_OUT): Update after above changes.
841         * target.h (init_sections): New hook.
842         (exception_section, eh_frame_section): Delete.
843         (select_section, select_rtx_section, function_rodata_section): Return
844         a section rather than emitting assembly code.
845         * varasm.c (text_section, data_section, readonly_data_section)
846         (ctors_section, dtors_section, bss_section, init_section)
847         (fini_section): Turn into section pointers.
848         (sdata_section, sbss_section, exception_section): New variables.
849         (eh_frame_section): New variable.
850         (in_section): Make global and turn into a section pointer.
851         (last_text_section): Turn into a section pointer.
852         (unnamed_sections): New variable.
853         (in_named_name, last_text_section_name): Delete.
854         (EXTRA_SECTION_FUNCTIONS): Delete.
855         (in_named_entry): Delete.
856         (section_htab): New variable, replacing...
857         (in_named_htab): ...this deleted variable.
858         (section_entry_eq, section_entry_hash): New functions, based on...
859         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
860         (get_unnamed_section, get_section): New functions.
861         (unlikely_text_section): Return a section instead of emitting
862         assembly code.
863         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
864         (get_named_section_flags, named_section_first_declaration): Delete.
865         (unlikely_text_section_p): New function.
866         (named_section_real, named_section): Delete.
867         (get_named_section): New function.
868         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
869         (function_section): Return a section rather than emitting
870         assembly code.
871         (current_function_section): Likewise.  Remove argument.  Use
872         last_text_section if nonnull, otherwise use function_section.
873         (default_function_rodata_section): Return a section rather than
874         emitting assembly code.  Use get_section.
875         (default_no_function_rodata_section): Return a section rather than
876         emitting assembly code.
877         (variable_section): Use switch_to_section and get_named_section.
878         (mergeable_string_section): Return a section rather than emitting
879         assembly code.  Use get_section.  Make static.  Don't take special
880         countermeasures for empty strings.
881         (mergeable_constant_section): Return a section rather than emitting
882         assembly code.  Use get_section.
883         (default_named_section_asm_out_destructor): Use switch_to_section
884         and get_section.
885         (default_dtor_section_asm_out_destructor): Use switch_to_section.
886         (default_named_section_asm_out_constructor): Use switch_to_section
887         and get_section.
888         (default_ctor_section_asm_out_constructor): Use switch_to_section.
889         (assemble_start_function): Likewise.  Set last_text_section to
890         NULL rather than no_section.  Change the type of save_section.
891         (assemble_zeros, assemble_variable): Use the section flags to detect
892         whether or not a section is text.
893         (assemble_static_space): Use switch_to_section.
894         (assemble_trampoline_template): Likewise.
895         (output_constant_def_contents): Use switch_to_section and
896         get_named_section.
897         (output_constant_pool_1): Use switch_to_section.  Use the section
898         flags to see whether sections contain mergeable data.
899         (init_varasm_once): Initialize section_htab instead of in_named_htab.
900         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
901         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
902         whether a section has already been declared.
903         (default_select_section, default_elf_select_section): Return a
904         section rather than emitting assembly code.
905         (default_elf_select_section_1): Likewise.  Use bss_section for
906         SECCAT_BSS if nonnull.  Use get_named_section.
907         (default_select_rtx_section): Return a section rather than
908         emitting assembly code.
909         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
910         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
911         (output_section_asm_op, switch_to_section): New functions.
912         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
913         get_named_section.
914
915         * doc/tm.texi: Expand the introduction to the sections documentation.
916         (TRAMPOLINE_SECTION): Document new interface.
917         (SDATA_SECTION_ASM_OP): Document new macro.
918         (READONLY_DATA_SECTION): Delete.
919         (SDATA_SECTION_ASM_OP): Document new macro.
920         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
921         (TARGET_ASM_INIT_SECTIONS): Document new hook.
922         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
923         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
924         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
925
926 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
927
928         * gcc.c (init_gcc_specs): Match braces inside conditionally
929         compiled strings.
930
931 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
932
933         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
934
935 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
936
937         PR C++/24138
938         * tree.c (integer_all_onesp): Always return true if all bits on.
939
940         * testsuite/g++.dg/init/array0.C: New.
941
942 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
943
944         * doc/md.texi: Adapt to implementation.
945
946 2005-12-06  Andreas Schwab  <schwab@suse.de>
947
948         * opts.c (decode_options): Fix typo in message.
949
950 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
951
952         PR other/13873
953         * longlong.h: Merge PPC tests from upstream.
954
955 2005-12-06  Richard Guenther  <rguenther@suse.de>
956
957         * fold-const.c (fold_convert): Do not build and fold
958         CONVERT_EXPR, but always use NOP_EXPR.
959
960 2005-12-06  Jan Beulich  <jbeulich@novell.com>
961
962         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
963         __builtin_ia32_paddq and __builtin_ia32_subq.
964         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
965         __builtin_ia32_pshufw.
966         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
967
968 2005-12-05  James E Wilson  <wilson@specifix.com>
969
970         PR target/24934
971         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
972         is set.
973
974 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
975         
976         * print-tree.c (print_node): Ditto.
977         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
978         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
979         before accessing DECL_ARTIFICIAL. 
980         Handle new tag tree codes.
981         * tree-flow-inline.h (clear_call_clobbered): Update for tag
982         changes.
983         (unmodifiable_var_p): Ditto.
984         * tree-flow.h (mem_tag_kind): Remove.
985         (struct var_ann_d): Remove mem_tag_kind member.
986         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
987         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
988         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
989         (group_aliases): Ditto.
990         (setup_pointers_and_addressables): Ditto.
991         (is_escape_site): Ditto.                                          
992         (may_alias_p): Ditto.
993         (create_tag_raw): New function.
994         (create_memory_tag): Use it.
995         (dump_alias_info): Update for tags.
996         (may_be_aliased): Ditto.
997         (add_type_alias): Ditto.
998         (new_type_alias): Ditto.
999         (create_sft): Ditto.
1000         (create_structure_vars): Ditto.
1001         * tree-ssa-ccp.c (get_default_value): Ditto.
1002         * tree-ssa-operands.c (get_expr_operands): Ditto.
1003         (add_stmt_operand): Ditto.
1004         (add_call_clobber_ops): Remove duplicated condition.
1005         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1006         tags.
1007         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1008         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1009         * tree.c (init_ttree): Update structures for new tree codes.
1010         (tree_code_size): Update sizes for new tree codes.
1011         (make_node_stat): Don't try to set common things on minimal
1012         structures.
1013         (tree_node_structure): Update for tags.
1014         (is_global_var): Ditto.
1015         * tree.def: Add new tree codes.
1016         * tree.h (MTAG_P): New macro.
1017         (TREE_MEMORY_TAG_CHECK): Ditto.
1018         (SSA_VAR_P): Update for tags.
1019         (struct tree_memory_tag): New structure.
1020         (MTAG_GLOBAL): New macro.
1021         (union tree_node): Add memory tag member.
1022         * treestruct.def (TS_MEMORY_TAG): New.
1023         
1024 2005-12-05  Dale Johannesen  <dalej@apple.com>
1025
1026         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1027         what was approved (PR 24323).
1028
1029 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1030
1031         * doc/c-tree.texi (Function Bodies): Remove description of
1032         RETURN_INIT.
1033
1034 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1035
1036         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1037         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1038         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1039         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1040         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1041         __divxc3): Document.
1042
1043 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1044
1045         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1046         previous behaviour.
1047         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1048         hook_bool_void_false.
1049         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1050         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1051
1052         * config/darwin.c (machopic_select_section): It's not defined
1053         as weak if it's only marked as weak_import.
1054         
1055         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1056         Prototype.
1057
1058         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1059         A hidden weak object does bind locally.  Strong linkonce data
1060         counts like any other strong symbol for binding.
1061         (weak_finish_1): Don't specially handle weakrefs, they no longer
1062         arrive here.
1063         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1064         * c-common.c (handle_alias_attribute): Allow static aliases
1065         of variables.
1066         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1067         * gthr-dce.h: Make weakrefs static.
1068         * gthr-tpf.h: Likewise.
1069         * gthr-solaris.h: Likewise.
1070         * gthr-posix.h: Likewise.
1071         * gthr-posix95.h: Likewise.
1072         * config/darwin.c (darwin_encode_section_info): static weakref
1073         variables are not necessarily defined in this translation unit.
1074         * doc/extend.texi (Function Attributes): Mention that an alias
1075         attribute creates a definition for the thing it's attached to.
1076         Change the documentation for weakref to say that the thing
1077         it's attached to must be static.
1078
1079         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1080         we don't go into an infinite loop.
1081
1082 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1083
1084         * config/rs6000/predicates.md (logical_const_operand): Split
1085         out of logical_operand.
1086         (logical_operand): Use it.
1087         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1088         logical_const_operand.
1089
1090 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1091
1092         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1093         and IX86_BUILTIN_CMPNESS.
1094         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1095         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1096         * config/i386/i386.md (movti_internal): Correct type attribute.
1097         Simplify mode attribute.
1098         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1099         Correct type attribute.
1100         (absxf2): Correct operator.
1101         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1102         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1103         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1104         mode attribute.
1105         (sse2_vmsqrtv2df2): Correct mode attribute.
1106
1107 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1108
1109         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1110         16 bits. Provide insn pattern for this case.
1111
1112 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1113
1114         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1115         result.
1116         (__popcountDI2): Likewise.
1117
1118 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1119
1120         PR target/25166
1121         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1122         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1123         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1124         functions.
1125
1126 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1127
1128         * c-typeck.c (null_pointer_constant_p): New function.
1129         (build_conditional_expr, build_c_cast, convert_for_assignment,
1130         build_binary_op): Use it.
1131
1132 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1133
1134         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1135         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1136         CONVERT_EXPR.
1137         (check_function_arguments_recurse): Allow both NOP_EXPR and
1138         CONVERT_EXPR but check conversions preserve precision.
1139         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1140         but check conversions preserve precision.
1141         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1142         default case.
1143
1144 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1145
1146         PR c/7776
1147         * common.opt (Wstring-literal-comparison): New command line option.
1148         * c-opts.c (c_common_handle_option): Set it with -Wall.
1149         * c-typeck.c (parser_build_binary_op): Issue warning if either
1150         operand of a comparison operator is a string literal, except for
1151         testing equality or inequality against NULL.
1152
1153         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1154
1155 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1156
1157         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1158         of building a NOP_EXPR.
1159         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1160         NOP_EXPR.
1161         * c-convert.c (convert): Use fold_convert instead of building
1162         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1163         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1164         #if 0 code.
1165         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1166         NOP_EXPR the same as CONVERT_EXPR.
1167         * c-typeck.c (build_function_call): Use fold_convert instead of
1168         building a NOP_EXPR directly.
1169         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1170
1171 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1172
1173         PR rtl-optimization/25197
1174         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1175         have a reg.
1176
1177 2005-12-02  Stuart Hastings  <stuart@apple.com>
1178
1179         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1180         warning.
1181
1182 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1183
1184         * c-typeck.c (default_function_array_conversion,
1185         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1186         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1187         orig_op2.  Don't check them for NOP_EXPR.
1188         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1189         around integer zero.
1190
1191 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1192
1193         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1194         toc_save_offset, toc_size, lr_size.
1195         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1196         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1197         Adjust for removal of unused rs6000_stack_t fields.
1198         (debug_stack_info): Adjust.
1199         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1200         first, and don't bother checking for set/inc of lr on sibcalls.
1201         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1202
1203 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1204
1205         PR target/25199
1206         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1207         5 if operand 1 is not aligned.  Undo previous constraint change.
1208         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1209
1210 2005-12-02  Richard Guenther  <rguenther@suse.de>
1211
1212         * tree.h (build): Remove prototype.
1213         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1214         * tree.c (build): Remove.
1215         (build0_stat): Update comment.
1216
1217 2005-12-02  Richard Guenther  <rguenther@suse.de>
1218
1219         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1220         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1221         Likewise.
1222         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1223         maybe_fold_offset_to_component_ref): Likewise.
1224         * tree-ssa-dom.c (thread_across_edge,
1225         simplify_rhs_and_lookup_avail_expr,
1226         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1227         Likewise.
1228         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1229         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1230         lower_try_finally_switch): Likewise.
1231         * tree-if-conv.c (add_to_dst_predicate_list,
1232         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1233         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1234         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1235         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1236         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1237         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1238         gimplify_init_ctor_eval, gimplify_init_constructor,
1239         gimplify_variable_sized_compare, gimplify_boolean_expr,
1240         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1241         gimplify_expr, gimplify_body, gimplify_function_tree,
1242         force_gimple_operand): Likewise.
1243         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1244         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1245         mx_register_decls): Likewise.
1246         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1247         get_frame_field, finalize_nesting_tree_1): Likewise.
1248         * tree-inline.c (setup_one_parameter): Likewise.
1249         * tree-vect-transform.c (vectorizable_condition): Likewise.
1250         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1251         Likewise.
1252         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1253         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1254         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1255         * tree-chrec.h (build_polynomial_chrec): Likewise.
1256
1257 2005-12-02  Richard Guenther  <rguenther@suse.de>
1258
1259         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1260         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1261         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1262         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1263         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1264         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1265         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1266         Likewise.
1267         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1268         sh_adjust_unroll_max): Likewise.
1269         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1270         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1271         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1272         Likewise.
1273         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1274         Likewise.
1275         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1276         Likewise.
1277
1278 2005-12-02  Richard Guenther  <rguenther@suse.de>
1279
1280         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1281         simplify_cond_using_ranges): Use buildN instead of build.
1282         * tree-tailcall.c (adjust_accumulator_values,
1283         adjust_return_value): Likewise.
1284         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1285         generate_element_copy, generate_element_zero,
1286         generate_one_element_init): Likewise.
1287         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1288         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1289         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1290         perfect_nestify): Likewise.
1291
1292 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1293
1294         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1295
1296 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1297
1298         * ggc.h (GGC_RESIZEVEC): New.
1299
1300 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1301
1302         * gcc.c (execute): Improve readability.
1303
1304 2005-12-02  Richard Guenther  <rguenther@suse.de>
1305
1306         * tree-cfg.c (mark_used_vars): New function.
1307         (dump_function_to_file): Dump only used VAR_DECLs.
1308
1309 2005-12-02  Richard Guenther  <rguenther@suse.de>
1310
1311         * convert.c (convert_to_integer): Fix compare for nonpositive
1312         constant to use tree_int_cst_sgn <= 0.
1313
1314 2005-12-02  Richard Guenther  <rguenther@suse.de>
1315
1316         * convert.c (convert_to_integer): Use fold_convert instead
1317         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1318         instead of comparing against 0.  Use build_int_cst instead
1319         of converting integer_zero_node.
1320
1321 2005-12-02  Richard Guenther  <rguenther@suse.de>
1322
1323         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1324         and RROTATE_EXPR.
1325  
1326 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1327
1328         PR target/21017
1329         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1330         rotates.
1331
1332 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1333
1334         PR middle-end/25176
1335         * function.c (expand_function_end): Emit blockage for unwinder
1336         after return label.
1337
1338 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1339
1340         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1341         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1342         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1343         integer constant comparisons.
1344
1345 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1346             Janis Johnson  <janis187@us.ibm.com>
1347             David Edelsohn  <dje@watson.ibm.com>
1348             Ben Elliston  <bje@au.ibm.com>
1349
1350         * dfp.h, dfp.c: New files.
1351         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1352         (DECNUM_H): Likewise.
1353         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1354         (INCLUDES): Append $(DECNUMINC).
1355         (OBJS-common): Add dfp.o.
1356         (dfp.o): New rule.
1357         * real.h (EXP_BITS): Pinch one bit to ..
1358         (struct real_value): Add decimal field.
1359         (real_format): Change table size, update documentation.
1360         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1361         (real_from_string3): Declare.
1362         (decimal_single_format): Declare.
1363         (decimal_double_format): Declare.
1364         (decimal_quad_format): Declare.
1365         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1366         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1367         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1368         * real.c: Include dfp.h.
1369         (normalize): Early return for decimal floats.
1370         (do_add): Zero decimal field.
1371         (do_compare): Call do_decimal_compare for decimal floats.
1372         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1373         (real_arithmetic): Call decimal_real_arithmetic for decimal
1374         floating point operands.
1375         (real_identical): If a and b are of differing radix, return false.
1376         (real_to_integer): Call decimal_real_to_integer if the value is a
1377         decimal float.
1378         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1379         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1380         (real_to_hexadecimal): Place "N/A" in the return string for
1381         decimal float.
1382         (real_from_string3): New variant, given a mode.
1383         (real_maxval): Use decimal_real_maxval for decimal floats.
1384         (round_for_format): Use decimal_round_for_format for decimals.
1385         (real_convert): Use decimal_real_convert where appropriate.
1386         (significand_size): Handle base 10.
1387         (encode_decimal_single, decode_decimal_single,
1388         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1389         decode_decimal_quad): New functions.
1390         (decimal_single_format): New.
1391         (decimal_double_format): New.
1392         (decimal_quad_format): New.
1393         * machmode.def: Add SD, DD and TD decimal floating point modes.
1394         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1395         Include MODE_DECIMAL_FLOAT.
1396         (DECIMAL_FLOAT_MODE_P): New.
1397         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1398         * genmodes.c (struct mode_data): Add counter field.
1399         (struct mode_data): Update comment for format.
1400         (blank_mode): Initialise counter field.
1401         (new_mode): Increment counter field for each mode defined.
1402         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1403         using a format.
1404         (make_complex_modes): Handle modes containing `D'.
1405         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1406         (make_decimal_float_mode): New.
1407         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1408         (cmp_modes): Compare counter field if other characteristics
1409         similar.
1410         (emit_real_format_for_mode): Support formats for decimal floats.
1411         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1412         Document MODE_DECIMAL_FLOAT.
1413
1414 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1415
1416         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1417         Delete dead code.
1418
1419 2005-12-01  Richard Henderson  <rth@redhat.com>
1420
1421         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1422
1423 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1424
1425         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1426
1427         * config/pa/pa.c (pa_init_builtins): If we detect
1428         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1429         putc_unlocked.
1430
1431 2005-12-01  Richard Guenther  <rguenther@suse.de>
1432
1433         * fold-const.c (fold_binary): Use fold_build2, not
1434         fold (build (...)).
1435
1436 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1437
1438         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1439
1440         * vec.h (VEC_block_remove): New.
1441
1442 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1443
1444         PR c/13384
1445         * c-common.c (lvalue_error): Fix wording.
1446
1447 2005-12-01  Richard Guenther  <rguenther@suse.de>
1448
1449         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1450         thinko in last patch.
1451
1452 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1453
1454         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1455         than -flat_namespace.
1456
1457 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1458
1459         * mklibgcc.in: Parameterise the script to build soft float
1460         functions by iterating over each type, rather than cloning the
1461         code for each type.
1462
1463 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1464
1465         PR middle-end/25158
1466         * builtins.c (fold_builtin_fputs): Defer check for missing
1467         replacement functions.
1468
1469 2005-11-30  Kean Johnston  <jkj@sco.com>
1470
1471         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1472         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1473
1474 2005-11-30  Richard Guenther  <rguenther@suse.de>
1475
1476         PR tree-optimization/22501
1477         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1478         function split out from ...
1479         (forward_propagate_addr_expr): ... here.  Use it to propagate
1480         ADDR_EXPRs to all uses.
1481
1482 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1483
1484         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1485         * builtins.c (expand_builtin_mathfn): Use them.
1486         (expand_builtin_mathfn_2): Likewise.
1487         (expand_builtin_mathfn_3): Likewise.
1488         (expand_builtin_int_roundingfn): Likewise.
1489         (expand_builtin): Likewise.
1490         (integer_valued_real_p): Likewise.
1491         (fold_builtin_int_roundingfn): Likewise.
1492         (fold_builtin_bitop): Likewise.
1493         (fold_builtin_logarithm): Likewise.
1494         (fold_builtin_1): Likewise.
1495         * convert.c (convert_to_integer): Likewise.
1496         * fold-const.c (negate_mathfn_p): Likewise.
1497         (tree_expr_nonnegative_p): Likewise.
1498
1499 2005-11-30  Dale Johannesen  <dalej@apple.com>
1500             Andrew Pinski  <pinskia@physics.uc.edu>
1501
1502         * combine.c (find_split_point):  Sign extend bitmask
1503         when changing bitfield assignment to IOR of AND.
1504
1505 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1506
1507         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1508         clobber to scratch reg.
1509         (*decrement_and_branch_until_zero_no_clobber): Remove.
1510         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1511         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1512         * config/ms1/ms1.opt (mmul): Remove.
1513         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1514         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1515
1516 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1517             Bernd Schmidt  <bernd.schmidt@analog.com>
1518
1519         * pa/predicates.md (symbolic_operand): Add comment.
1520         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1521         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1522         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1523         (pa_secondary_reload_class): Delete.
1524         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1525         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1526         copy of symbolic operand.
1527         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1528
1529 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1530
1531         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1532         jump.
1533
1534 2005-11-30  Jeff Law  <law@redhat.com>
1535
1536         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1537         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1538
1539 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1540
1541         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1542         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1543         (ia64_expand_move): Adjust caller.
1544
1545         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1546         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1547         negate VAL.
1548
1549 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1550
1551         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1552         Always produce an output if we can remove NEGs or canonicalize
1553         (minus (minus ...)) expressions.  Provide a fast path for the
1554         two-operand case.
1555         (simplify_gen_binary): Do not call simplify_plus_minus.
1556         (simplify_binary_operation_1): Reassociate at the end of the
1557         function.
1558
1559 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1560
1561         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1562         moves and unpack to speed up.
1563
1564 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1565
1566         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1567         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1568         (gen_v9_scc): Update callers.
1569         * config/sparc/sparc.md: Likewise.
1570         * config/sparc/sparc-protos.h: Update extern declaration.
1571
1572         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1573
1574 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1575
1576         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1577         the if.
1578
1579 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1580
1581         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1582         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1583         (negate_expr): Here.
1584
1585 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1586
1587         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1588         Fix typo in comment.
1589
1590 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1591
1592         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1593         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1594
1595 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1596
1597         PR middle-end/20109
1598         PR middle-end/25120
1599         * builtins.c (init_target_chars): New.
1600         (expand_builtin_printf, expand_builtin_fprintf,
1601         expand_builtin_sprintf, fold_builtin_sprintf,
1602         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1603         fold_builtin_snprintf_chk, fold_builtin_printf,
1604         fold_builtin_fprintf): Check for matching format strings using
1605         the target charset.
1606
1607 2005-11-29  Paul Brook  <paul@codesourcery.com>
1608
1609         * config.gcc: Do not use fixproto on m68k-elf.
1610
1611 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1612
1613         * expmed.c (div_cost): Replace with...
1614         (sdiv_cost, udiv_cost): New.
1615         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1616         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1617         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1618         (expand_divmod): Replace use of div_cost with either sdiv_cost
1619         or udiv_cost depending upon the signedness of the operation.
1620
1621 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1622
1623         PR libfortran/24991
1624         * config/darwin.c (machopic_indirection_name,
1625         machopic_output_indirection): Follow transparent alias chain.
1626
1627 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1628
1629         * varasm.c (ultimate_transparent_alias_target): Add comment.
1630
1631 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1632
1633         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1634         SET_SRC instead of XEXP where appropriate.
1635
1636 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1637
1638         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1639         __builtin_expect.
1640
1641 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1642
1643         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1644         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1645         bit at a time.
1646
1647 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1648
1649         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1650         secondary_input_reload_class, made static.  Adapt to new
1651         infrastructure.
1652         (secondary_output_reload_class): Delete.
1653         (TARGET_SECONDARY_RELOAD): New macro.
1654         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1655         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1656
1657 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1658
1659         PR c++/21166
1660         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1661         when its natural alignment is > BITS_PER_UNIT.
1662         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1663         * c-common.c (handle_packed_attribute): Ignore packing on a field
1664         whose type is naturally char aligned.
1665
1666 2005-11-28  Richard Guenther  <rguenther@suse.de>
1667
1668         * c-common.c (strict_aliasing_warning): Handle all
1669         component-ref like accesses.
1670
1671 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1672             Uros Bizjak  <uros@kss-loka.si>
1673
1674         PR middle-end/20219
1675         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1676         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1677         when flag_unsafe_math_optimizations is set and
1678         we don't care about NaNs or Infinities.
1679
1680         Move x/expN(y) and x/pow(y,z) transformation into common
1681         flag_unsafe_math_optimizations section.
1682
1683 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1684
1685         * gcc.c (main): Change type of argv to "char **".
1686
1687 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1688
1689         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1690         small data sections.
1691         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1692         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1693         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1694         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1695         output locals to sbss if !rs6000_elf_in_small_data_p.
1696         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1697
1698 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1699
1700         PR target/24997
1701         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1702         generated by reload.
1703         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1704         indexed_or_indirect_address.
1705         (indexed_or_indirect_address): Don't test for base reg.  Call
1706         address_operand last.  Make it a special predicate.
1707
1708 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1709
1710         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1711
1712 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1713
1714         PR middle-end/24575
1715         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1716         is undefined.
1717         (negate_expr): Likewise.
1718
1719 2005-11-27  Andreas Schwab  <schwab@suse.de>
1720
1721         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1722         redundant parens.
1723
1724 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1725
1726         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1727         has EH predecessor edges.
1728
1729 2005-11-26  Eric Christopher  <echristo@apple.com>
1730
1731         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1732         register stalls by zero extending to the full register.
1733
1734 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1735
1736         * config/floatunsisf.c, config/floatunsidf.c,
1737         config/floatunsixf.c, config/floatunsitf.c: New files.
1738         * config/ia64/t-hpux: Add floatunsitf.c.
1739         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1740         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1741
1742 2005-11-26  Richard Henderson  <rth@redhat.com>
1743
1744         * c-lex.c (pragma_lex): Rename from c_lex.
1745         * c-pch.c: Update for pragma_lex rename.
1746         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1747         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1748         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1749         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1750         * doc/tm.texi: Likewise.
1751
1752 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1753
1754         PR middle-end/23669
1755         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1756         when overflow is undefined.
1757
1758 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1759
1760         * doc/md.texi (Insn Canonicalizations): Refer to the
1761         function commutative_operand_precedence for further rules.
1762
1763 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1764
1765         PR middle-end/21309
1766         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1767         is less than zero.  Limit mult_cost to a reasonable upper bound for
1768         the synthetic multiplication sequence.
1769
1770 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1771
1772         PR middle-end/25022
1773         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1774         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1775         Lookup the explicit replacement functions for any unlocked
1776         stdio builtin transformations.
1777
1778 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1779
1780         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1781         earlyclobber.
1782         * targhooks.c (default_secondary_reload): Don't require operand 2
1783         for an input reload to be earlyclobber.
1784
1785 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1786
1787         * fold-const.c (negate_mathfn_p): Fix comment and add support
1788         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1789         BUILT_IN_ATANH.
1790
1791 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1792
1793         PR middle-end/24998
1794         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1795         _Q_ulltoq for unsigned conversions from SImode and DImode to
1796         TFmode.
1797
1798 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1799
1800         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1801         (__floatundidf, __floatundisf): Likewise.
1802
1803 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1804
1805         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1806         (rs6000_override_options): Remove initialization of
1807         rs6000_sr_alias_set.
1808         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1809         (rs6000_emit_stack_tie): Same.
1810         (emit_frame_save): Same.
1811         (gen_frame_mem_offset): Same.
1812         (rs6000_emit_prologue): Same.
1813         (rs6000_emit_epilogue): Same.
1814
1815 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1816
1817         PR middle-end/24989
1818         * fold-const.c (fold_build): Convert bool_var != 1 and
1819         bool_var == 0 to !bool_var.
1820
1821 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1822
1823         PR middle-end/24990
1824         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1825         for C being INTEGER_CST.  Likewise for !=.
1826
1827 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1828
1829         PR middle-end/24998
1830         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1831         unsigned conversions from SImode to TFmode.
1832
1833 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1834
1835         * expr.c (expand_expr_real_1): Fix error in last change.
1836
1837 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1838
1839         * caller-save.c: (this_insn_sets): Move into:
1840         (save_call_clobbered_regs).
1841         (mark_set_regs): Get this_insn_sets from data.
1842
1843         (save_call_clobbered_regs): Take sets of the return value by
1844         sibcalls into account.
1845
1846 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1847         PR target/21623:
1848
1849         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1850         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1851         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1852         (memory_move_secondary_cost, init_reg_autoinc): Remove
1853         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1854         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1855         secondary_reload_class call.
1856         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1857         callers.
1858         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1859         (push_secondary_reload): Use secondary_reload target hook.
1860         (secondary_reload_class, scratch_reload_class): New functions.
1861         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1862         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1863         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1864         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1865         (secondary_reload_class, scratch_reload_class): Declare.
1866         * reload1.c: Include target.h.
1867         (reload_adjust_reg_for_temp): New function.
1868         (reload_adjust_reg_for_icode): Likewise.
1869         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1870         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1871         call.
1872         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1873         for inheritance.  Support case when both secondary & tertiary reloads
1874         are for intermediate registers.
1875         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1876         with secondary_reload_class call.  Support case when both secondary
1877         & tertiary reloads are for intermediate registers.
1878         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1879         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1880         * target.h (secondary_reload_info): New struct / typedef.
1881         (struct gcc_target): New member secondary_reload.
1882         * targhooks.c Include reload.h, optabs.h and recog.h.
1883         (default_secondary_reload): New function.
1884         * targhooks.h (default_secondary_reload): Declare.
1885         * doc/tm.texi: Document secondary_reload target hook.  Update
1886         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1887         * doc/md.texi: Likewise.
1888
1889         * sh-protos.h (sh_secondary_reload): Declare.
1890         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1891         (sh_secondary_reload): New function.
1892         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1893         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1894         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1895         (HAVE_SECONDARY_RELOADS): Define.
1896         * sh.md (reload_indf): Rename to:
1897         (reload_indf__frn).
1898         (reload_outdf): Rename to:
1899         (reload_outdf__RnFRm).
1900         (reload_insf): Rename to:
1901         (reload_insf__frn).
1902         (reload_insi): Rename to:
1903         (reload_insi__i_fpul).
1904
1905 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1906
1907         * configure.ac: Require at least texinfo 4.4.
1908         * configure: Regenerate.
1909
1910         * doc/install.texi (Tools/packages necessary for building GCC):
1911         Update required version of texinfo to at least 4.4.
1912         (Installing GCC: Building): Update required version of texinfo
1913         to at least 4.4.
1914         (Installing GCC: Final installation): Update required version
1915         of texi2dvi to at least 4.4.
1916         (Host/target specific installation notes for GCC): Update required
1917         version of texinfo to at least 4.4.
1918
1919 2005-11-24  Richard Guenther  <rguenther@suse.de>
1920         Dirk Mueller <dmueller@suse.de>
1921
1922         PR c++/14024
1923         * c-common.h (strict_aliasing_warning): Declare.
1924         * c-common.c (strict_aliasing_warning): New function,
1925         split out from ...
1926         * c-typeck.c (build_c_cast): ... here.
1927
1928 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1929
1930         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1931         to order operands.
1932         (swap_commutative_operands_with_target): New.
1933
1934 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1935
1936         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1937         also when doing PRE, rather than only for global CPROP.
1938
1939 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1940
1941         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1942         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1943         formatting.
1944         (expand_twoval_unop): Likewise.
1945         (widen_clz): Likewise.
1946         (expand_parity): Likewise.
1947         (expand_unop): Likewise.
1948         (emit_cmp_and_jmp_insn_1): Likewise.
1949         (prepare_float_lib_cmp): Likewise.
1950
1951 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1952
1953         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1954         Remove unused `class' variable.
1955
1956 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1957
1958         PR c++/21667
1959         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1960         C/C++ diagnostic function warn_array_subscript_with_type_char.
1961         * c-common.h (warn_array_subscript_with_type_char): Declare.
1962         * c-common.c (warn_array_subscript_with_type_char): Define.
1963
1964 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1965
1966         PR c/21668
1967         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1968         compiling at the intersection of C and C++.
1969
1970 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1971
1972         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1973         List @file in the option summary.  Include the libiberty
1974         documentation for @file.
1975         * gcc.c (main): Call expandargv.
1976         * Makefile.in (gcc-vers.texi): Define srcdir.
1977
1978 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1979
1980         * passes.c (init_optimization_passes): Document
1981         sequencing of passes.
1982
1983 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1984
1985         * config/m68k/predicates.md (pcrel_address, extend_operator,
1986         post_inc_operand, pre_dec_operand): Remove redundant
1987         conditionals.
1988         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1989         instead of abort.
1990         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1991
1992 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1993
1994         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1995
1996 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1997
1998         Preparatory work for PR target/21623:
1999         * alpha.c (secondary_reload_class): Rename to:
2000         (alpha_secondary_reload_class).
2001         * alpha.h, alpha-protos.h: Likewise.
2002         * mn10300.c (secondary_reload_class): Rename to:
2003         (mn10300_secondary_reload_class).
2004         * mn10300.h, mn10300-protos.h: Likewise.
2005         * pa.c (secondary_reload_class): Rename to:
2006         (pa_secondary_reload_class).
2007         * pa.h, pa-protos.h: Likewise.
2008         * rs6000.c (secondary_reload_class): Rename to:
2009         rs6000_secondary_reload_class.
2010         * rs6000.h, rs6000-protos.h: Likewise.
2011
2012 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2013
2014         PR middle-end/22561
2015         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2016
2017 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2018
2019         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2020         a mode_class.
2021         (prepare_cmp_insn): Likewise.
2022
2023 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2024
2025         PR target/23435
2026         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2027         if both operands[0] and operands[1] are memory.
2028
2029 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2030
2031         PR middle-end/23606
2032         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2033         COMPARISON_CLASS_P and an integral types create create a new
2034         expression with the new type and fold that.
2035
2036 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2037
2038         PR target/24988
2039         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2040         to SUBTARGET_OS_CPP_BUILTINS.
2041
2042 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2043
2044         * arm.c (emit_set_insn): New function.
2045         (arm_split_constant): Call it.
2046         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2047         (arm_legitimize_address): Likewise.  Use plus_constant.
2048         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2049         (thumb_expand_prologue): Likewise.
2050         (arm_gen_load_multiple): Use VOIDmode in SET.
2051         (arm_gen_store_multiple): Likewise.
2052         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2053         (emit_multi_reg_push): Likewise.
2054         (emit_sfm): Use plus_constant.
2055
2056 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2057
2058         PR target/24954
2059         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2060         typo last change.
2061
2062 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2063
2064         PR middle-end/24950
2065         * expmed.c (store_bit_field): Don't attempt to insv a field
2066         larger than the reg.
2067
2068 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2069
2070         PR target/24954
2071         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2072         explicit sign extension, not a (char) cast.
2073
2074 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2075
2076         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2077         GET_MODE_CLASS (x) == MODE_FLOAT.
2078         * config/i386/i386.c: Likewise.
2079         * config/rs6000/xcoff.h: Likewise.
2080         * config/rs6000/linux64.h: Likewise.
2081         * config/rs6000/rs6000.c: Likewise.
2082         * config/rs6000/rs6000.h: Likewise.
2083         * config/rs6000/predicates.md: Likewise.
2084         * config/rs6000/sysv4.h: Likewise.
2085
2086 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2087
2088         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2089         flag_pic is set.
2090
2091         * config/alpha/freebsd.h, config/alpha/linux.h,
2092         config/arm/linux-elf.h, config/bfin/bfin.h,
2093         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2094         config/i386/beos-elf.h, config/i386/gnu.h,
2095         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2096         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2097         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2098         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2099         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2100         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2101         config/sparc/linux.h, config/sparc/linux64.h,
2102         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2103
2104         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2105         are both defined when either flag -fpic or -fPIC are used.
2106
2107 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2108
2109         * config/fp-bit.c (clzusi): New function.
2110         (si_to_float, usi_to_float): Use it to compute proper shift.
2111         (usi_to_float): Preserve guard bits when shifting right.
2112         * libgcc-std.ver (GCC_4.2.0): New version.
2113         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2114         __floatundisf): New functions.
2115         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2116         __floatundisf): Declare.
2117         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2118         _floatundixf, and _floatunditf.
2119         * optabs.c (expand_float): If target does not define a pattern for
2120         signed or unsigned conversion, use an unsigned libcall instead of
2121         a signed one.
2122         (init_optabs): Initialize ufloat_optab.
2123
2124 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2125
2126         * config/rs6000/rs6000.opt (mmulhw): New option.
2127         * doc/invoke.texi (-mmulhw): Document.
2128         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2129         for 405 and 440.
2130         * config/rs6000/rs6000.md: Add half-word multiply and
2131         multiply-accumulate instructions for 405 and 440.
2132
2133 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2134
2135         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2136         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2137         default now includes a linker group which makes the RTEMS one nest.
2138
2139 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2140
2141         * cse.c (fold_rtx): Typo fix.
2142         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2143
2144 2005-11-21  Richard Henderson  <rth@redhat.com>
2145
2146         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2147         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2148
2149         * c-tree.h (lookup_name): Move declaration ...
2150         * c-common.h (lookup_name): ... here.
2151         * config/darwin-c.c: Include c-common.h.
2152         * config/t-darwin: Update dependencies.
2153
2154 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2155
2156         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2157         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2158         * genopinit.c (gen_insn): Likewise.
2159         * reload.c (find_equiv_reg): Likewise.
2160         * loop.c (load_mems): Likewise.
2161         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2162         * cse.c (find_comparison_args, fold_rtx): Likewise.
2163         * dwarf2out.c (add_const_value_attribute): Likewise.
2164         * expr.c (convert_move): Likewise.
2165         * recog.c (general_operand, register_operand): Likewise.
2166         * reg-stack.c (replace_reg): Likewise.
2167         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2168         * c-common.c (handle_vector_size_attribute): Likewise.
2169         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2170         (simplify_binary_operation_1): Likewise.
2171         (simplify_const_binary_operation): Likewise.
2172         (simplify_relational_operation): Likewise.
2173         (simplify_const_relational_operation): Likewise.
2174         (simplify_immed_subreg): Likewise.
2175         * emit-rtl.c (gen_lowpart_common): Likewise.
2176         * expmed.c (expand_mult): Likewise.
2177         * stor-layout.c (layout_type): Likewise.
2178
2179 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2180
2181         PR target/24951
2182         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2183         cst2 only for SPE vectors.
2184
2185 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2186
2187         PR target/24953
2188         * config/rs6000/predicates.md (vrsave_operation): Check
2189         UNSPEC_VOLATILE value.
2190
2191 2005-11-21  Jan Hubicka  <jh@suse.cz>
2192
2193         PR tree-optimization/24653
2194         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2195
2196 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2197
2198         * config/i386/predicates.md (ax_reg_operand): New predicate.
2199         (memory_displacement_only_operand): New predicate.
2200         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2201         operand is AX register and the other operand is memory operand
2202         with displacement only.
2203
2204 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2205
2206         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2207         if we don't care about NaNs or Infinities.
2208
2209 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2210
2211         PR rtl-optimization/24883
2212         * combine.c (combinable_i3pat): When checking whether the
2213         destination of i3 is used in i3, consider paradoxical subregs.
2214
2215 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2216
2217         PR middle-end/20583
2218         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2219
2220 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2221
2222         * combine.c (try_combine): Do not run subst on i1src and i2src in
2223         the case of generating a PARALLEL for a comparison.
2224
2225 2005-11-20  Richard Henderson  <rth@redhat.com>
2226
2227         PR 24931
2228         * tree-sra.c (struct sra_elt): Add all_no_warning.
2229         (struct sra_walk_fns) <use>: Add use_all argument.
2230         (sra_walk_expr): Pass it.
2231         (sra_walk_modify_expr): Likewise.
2232         (scalarize_ldst): Likewise.
2233         (scan_use): Update for new argument.
2234         (mark_no_warning): New.
2235         (scalarize_use): Use it.
2236
2237 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2238
2239         * expr.c (expand_expr_real): Use usmul_optab for widening
2240         signed * unsigned multiplies.
2241         * genopinit.c (optabs): Add usmul_widen_optab.
2242         * optabs.c (init_optabs): Likewise.
2243         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2244         (usmul_widen_optab): Define.
2245         * config/bfin/bfin.md (usmulhisi3): New pattern.
2246
2247         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2248
2249 2005-11-20  Graham Stott <btinternet.com>
2250
2251         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2252
2253 2005-11-20  Andreas Schwab  <schwab@suse.de>
2254
2255         PR target/24757
2256         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2257         insn.
2258
2259 2005-11-19  Richard Henderson  <rth@redhat.com>
2260
2261         PR tree-opt/24665
2262         * tree-gimple.c (is_gimple_id): Export.
2263         * tree-gimple.h (is_gimple_id): Declare.
2264         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2265         (get_default_value): Use it.
2266         (maybe_fold_stmt_indirect): Likewise.
2267
2268 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2269
2270         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2271         than VR1 or vice-versa.
2272
2273 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2274
2275         PR middle-end/24912
2276         PR middle-end/24750
2277         * reload.c (find_reloads_address_1): Mention dependency on
2278         gen_reload.
2279         * reload1.c (gen_reload): For IN with an unary operation, try
2280         moving inner expression to OUT if trivial SET is not valid.
2281         Confirm that the result is valid.  Move common code block into...
2282         (emit_insn_if_valid_for_reload): New function.
2283
2284 2005-11-19  Richard Guenther  <rguenther@suse.de>
2285
2286         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2287         ARRAY_REFs of constant strings.
2288
2289 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2290
2291         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2292         fatal format string.
2293
2294 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2295
2296         * combine.c (make_compound_operation): Swap operands of
2297         commutative operation if necessary before returning.
2298
2299 2005-11-19  Richard Guenther  <rguenther@suse.de>
2300
2301         PR middle-end/23294
2302         * fold-const.c (fold_plusminus_mult_expr): New function.
2303         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2304         cases, remove now unnecessary code.
2305
2306 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2307
2308         * gensupport.c (old_preds): Rename to std_preds, add special field.
2309         (struct old_pred_table): Rename to struct std_pred_table, add special
2310         field.
2311         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2312         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2313         (init_predicate_table): Adjust, and set along the way whether a
2314         predicate is special.
2315
2316 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2317
2318         * BASE-VER: Change to 4.2.0.
2319
2320 2005-11-18  James E Wilson  <wilson@specifix.com>
2321
2322         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2323         returning it.
2324
2325 2005-11-18  Mike Stump  <mrs@apple.com>
2326
2327         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2328         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2329         * c-decl.c (lookup_name_two) Remove.
2330         * c-tree.h (lookup_name_two): Remove.
2331         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2332         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2333         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2334         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2335
2336 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2337
2338         PR target/24914
2339         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2340         when not generating code to use that co-processor.
2341
2342 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2343
2344         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2345         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2346         these functions are now in tree-phinodes.c.
2347
2348 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2349
2350         * config/bfin/bfin.md (trap): New pattern.
2351
2352 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2353
2354         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2355         on types.
2356
2357         * expr.c (expand_expr_real): Don't call record_block_change unless
2358         ib_boundaries_block is non-null
2359
2360         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2361
2362         * fold-const.c (build_range_check): Use proper type for subtraction
2363         when merging lower bound.
2364
2365 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2366
2367         PR rtl-optimization/24497
2368         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2369         the copied insn.
2370
2371 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2372
2373         * tree-scalar-evolution.c (expression_expensive_p): New function.
2374         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2375
2376 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2377
2378         * config/bfin/crtlibid.s: New file.
2379
2380 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2381
2382         PR target/24348
2383         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2384         when not using sjlj exceptions.
2385         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2386         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2387         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2388         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2389         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2390         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2391         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2392         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2393         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2394         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2395         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2396         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2397         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2398         defines.
2399         * config/pa/hpux-unwind.h: New file.
2400
2401 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2402
2403         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2404         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2405         * varasm.c (do_assemble_alias): Adjust call.
2406         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2407         is defined.
2408         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2409
2410 2005-11-17  James E Wilson  <wilson@specifix.com>
2411
2412         * tree.def (FUNCTION_DECL): Correct typo in comment.
2413
2414 2005-11-17  Richard Henderson  <rth@redhat.com>
2415
2416         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2417         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2418         and DW_CFA_def_cfa_sf.
2419         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2420         (dbx_reg_number): Don't assert particular registers here.
2421         (based_loc_descr): ... do it here instead.  Fold in ...
2422         (eliminate_reg_to_offset): ... this function.
2423         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2424         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2425         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2426         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2427         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2428         (instantiate_virtual_regs): Likewise.
2429         * var-tracking.c (adjust_stack_reference): Likewise.
2430         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2431
2432 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2433
2434         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2435         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2436         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2437         crtlibid.o.
2438         ($(T)crtlibid.o): New rule.
2439
2440 2005-11-16  Richard Guenther  <rguenther@suse.de>
2441
2442         PR middle-end/24851
2443         * fold-const.c (extract_array_ref): Return byte offset
2444         in all cases.
2445         (fold_binary): Fold &x[a] CMP &x[b] to
2446         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2447         behavior.
2448
2449 2005-11-16  Richard Henderson  <rth@redhat.com>
2450
2451         PR middle-end/23497
2452         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2453         parts of an SSA_NAME.
2454
2455 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2456
2457         PR target/24861
2458         * arm.md (split for movsf with immediate): Restrict split to insns
2459         that set a general register.
2460
2461 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2462
2463         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2464         uw_update_context.
2465         * unwind-dw2.c (uw_advance_context): Likewise.
2466         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2467         _Unwind_SjLj_Unregister.
2468         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2469
2470 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2471
2472         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2473
2474 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2475
2476         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2477         langhook to get a DImode integer type.
2478
2479 2005-11-16  Richard Henderson  <rth@redhat.com>
2480             J"orn Rennecke <joern.rennecke@st.com>
2481             Ulrich Weigand  <uweigand@de.ibm.com>
2482
2483         PR rtl-opt/24160
2484         PR target/24621
2485         * reload1.c (reg_equiv_invariant): New.
2486         (reload): Allocate, initialize, and free it.
2487         (calculate_needs_all_insns): Check it when skipping equivalence
2488         setting insns.
2489         (alter_reg): Likewise.
2490         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2491         may_use_invariant argument; only use reg_equiv_invariant when true.
2492         (eliminate_regs): New.
2493         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2494         a context for which may_use_invariant may be true.
2495
2496 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2497
2498         * fold-const.c (const_binop): Don't constant fold the operation
2499         if the result has overflowed and flag_trapping_math.
2500         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2501
2502 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2503
2504         * config/arm/unwind-arm.c (abort): Add prototype here.
2505         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2506         (struct phase1_vrs): Add prev_sp.
2507         (unwind_phase2_forced): Save the original core registers instead of
2508         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2509         and set action flags accordingly.  Always set _US_END_OF_STACK when
2510         get_eit_entry fails.  Unwind before calling the stop function.
2511         (_Unwind_GetCFA): New function.
2512         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2513         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2514         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2515         just call unwind_phase2_forced.
2516         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2517         * config/arm/unwind-arm.h (abort): Remove prototype.
2518         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2519         prototypes.
2520         (_Unwind_GetCFA): New prototype.
2521         * config/arm/pr-support.c (abort): Add prototype here.
2522         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2523         forced unwinding.
2524         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2525         not schedule the prologue with non-call exceptions and EABI.
2526
2527 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2528
2529         * config/arm/unwind-arm.h: Reorder interface function declarations.
2530         (_URC_END_OF_STACK): New enumeration value.
2531         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2532         (struct _Unwind_Control_Block): Document reserved field use.
2533         (_Unwind_Stop_Fn): New typedef.
2534         (_Unwind_ForcedUnwind): Declare.
2535         (_Unwind_Resume_or_Rethrow): Declare.
2536         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2537         argument.  Adjust.
2538         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2539         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2540         (UCB_FORCED_STOP_ARG): New.
2541         (search_EIT_table): Update boundary condition checks.
2542         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2543         (unwind_phase2): Replace for with do..while.
2544         (unwind_phase2_forced): New.
2545         (__gnu_Unwind_RaiseException): Replace for with do..while.
2546         (__gnu_Unwind_ForcedUnwind): New.
2547         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2548         Use appropriate phase2 unwinder.
2549         (__gnu_Unwind_Resume_or_Rethrow): New.
2550         (__gnu_unwind_pr_common): Cope with forced unwinding.
2551
2552 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2553
2554         PR target/24772
2555         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2556
2557         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2558         roundsf2): Remove "s" from mnemonic.
2559
2560 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2561
2562         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2563         __PIC__ is defined.
2564         * config/bfin/crtn.s: Change epilogues to match.
2565         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2566         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2567         __PIC__ and __pic__.
2568
2569 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2570
2571         PR 24357
2572         * doc/invoke.texi: Distinguish between free and fixed form instead of
2573         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2574         languages.
2575         * gcc.c (default_compilers): Remove double entries, add entries for
2576         suffixes '.F90' and '.F95'.
2577
2578 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2579
2580         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2581         in the stack probing loop.
2582
2583 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2584
2585         * configure.ac: Use .machine power5 not power5x.
2586         * configure: Regenerate.
2587
2588 2005-11-15  Mike Stump  <mrs@apple.com>
2589
2590         * c-decl.c (lookup_name_two): Add.
2591         * c-tree.h (lookup_name_two): Likewise.
2592         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2593         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2594
2595 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2596
2597         PR rtl-optimization/23392
2598         * regrename.c (enum scan_actions) Add mark_access.
2599         (scan_actions_name): Ditto.
2600         (scan_rtx_reg): Handle mark_access.
2601         (scan_rtx_address): Do nothing for mark_access.
2602         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2603         and regs in REG_INC notes before closing chains for dead regs.
2604         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2605         opening chains for new writes.
2606
2607 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2608
2609         * c.opt (ffixed-line-length-none): New.
2610
2611 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2612
2613         * mklibgcc.in: Change contents of eh_dummy.c.
2614
2615 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2616
2617         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2618
2619 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2620
2621         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2622         of making syscalls.
2623         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2624
2625 2005-11-15  Jan Hubicka  <jh@suse.cz>
2626
2627         * invoke.texi (large-unit-insns): Document.
2628         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2629         * params.def (large-unit-insns): New param.
2630
2631 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2632
2633         PR target/24869
2634         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2635         special register for operand 3.  Reindent constraints to align
2636         them vertically.
2637
2638 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2639
2640         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2641         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2642         * configure.ac: Add test for FP rounding instructions.
2643         * configure: Regenerate.
2644         * config.in: Regenerate.
2645         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2646         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2647         features enabled.
2648         * config/rs6000/rs6000.opt (mfprnd): New.
2649         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2650         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2651         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2652         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2653         (TARGET_FPRND): New.
2654         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2655         UNSPEC_FRIZ): New.
2656         (btrunc<mode>2): New.
2657         (ceil<mode>2): New.
2658         (floor<mode>2): New.
2659         (round<mode>2): New.
2660
2661 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2662
2663         * gcc.c (version_compare_spec_function): Use fatal() rather than
2664         abort().
2665
2666         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2667         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2668         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2669         as empty.
2670         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2671         link in crt2.o.
2672
2673         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2674         on -mmacosx-version-min setting.
2675
2676 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2677
2678         PR 24840
2679         * tree-vrp.c (infer_value_range): Return false if STMT is a
2680         block terminator and its basic block has no successors.
2681
2682 2005-11-14  Mike Stump  <mrs@apple.com>
2683
2684         * config/i386/i386.c (override_options): -masm=intel isn't
2685         supported on darwin.
2686         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2687
2688 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2689
2690         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2691         vfork after including auto-host.h.
2692
2693 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2694
2695         PR rtl-optimization/22002
2696         * combine.c (distribute_notes): Detect cases where a reg dies
2697         two or more times in a bb, including on the insn we are combining,
2698         and place the death note on the correct range.
2699
2700 2005-11-14  Dale Johannesen  <dalej@apple.com>
2701
2702         * expmed.c (store_bit_field):  Add offset unconditionally for
2703         memory targets.
2704         (extract_bit_field):  Don't force extzv or extv operand into
2705         a register if field is too big.
2706
2707 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2708
2709         * config/arm/arm.c (pic_labelno): New.
2710         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2711         LABEL_REF.  Pass only the labelno to PIC insns.
2712         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2713         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2714         * arm.md (UNSPEC_PIC_LABEL): New constant.
2715         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2716         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2717         Use the correct label prefix.
2718
2719 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2720
2721         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2722         REQ_EQUIV note.
2723
2724 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2725
2726         * loop-invariant.c: Include tm_p.h.
2727         * Makefile.in: Updated.
2728
2729 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2730
2731         * pa.c (store_reg): Revise generation of frame notes in large frames.
2732         (set_reg_plus_d): Likewise.
2733
2734 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2735
2736         PR tree-optimization/24709
2737         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2738         loop check.
2739
2740 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2741
2742         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2743         and duplicate declaration of pthread_self.
2744
2745 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2746             Ian Lance Taylor  <ian@airs.com>
2747
2748         PR middle-end/24003
2749         * calls.c (expand_call): If TARGET is a MEM and some part of the
2750         argument area has been saved, force TARGET to a register.
2751
2752 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2753
2754         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2755         checking.
2756
2757 2005-11-13  Jason Merrill  <jason@redhat.com>
2758
2759         PR c++/22489
2760         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2761         lazily declared methods.
2762         (force_decl_die): Stop if forcing out the context already make a
2763         DIE for the decl.
2764         (force_type_die): Likewise.
2765
2766 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2767
2768         PR middle-end/24820
2769         * builtins.c (integer_valued_real_p): Add break in
2770         REAL_CST having TREE_OVERFLOW set.
2771
2772 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2773
2774         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2775         addressing modes during calculation of costs.
2776
2777 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2778
2779         * function.c (assign_stack_local_1): Restrict sanity check
2780         on frame size overflow to 32-bit and above platforms.
2781
2782 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2783
2784         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2785         * config/cris/cris.c: Include reload.h.
2786         (cris_initial_elimination_offset): New function.
2787         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2788         Prototype.
2789
2790 2005-11-12  Richard Guenther  <rguenther@suse.de>
2791
2792         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2793
2794 2005-11-12  Jan Hubicka  <jh@suse.cz>
2795
2796         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2797         to compare against 0 when possible.
2798
2799 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2800
2801         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2802         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2803         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2804         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2805         in the new order.
2806
2807 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2808
2809         * recog.c (constrain_operands) <case 'g'>: For a match, require
2810         that a non-register matches general_operand when strict >= 0.
2811
2812 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2813
2814         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2815         previous checkin.
2816
2817 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2818
2819         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2820         (memory_address_same): New.
2821         (dse_optimize_stmt): Call memory_address_same.
2822
2823 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2824
2825         PR middle-end/24750
2826         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2827         ZERO_EXTEND>: New cases.
2828
2829 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2830
2831         * longlong.h (__clz_tab): Always provide.
2832
2833 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2834
2835         PR 24265
2836         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2837         can be assigned to.
2838         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2839         before check_maybe_invariant.
2840         (move_invariant_reg): Use gen_move_insn instead of replacing
2841         SET_DEST with the temporary for the invariant.
2842         (move_loop_invariants): If checking is enabled, do internal
2843         consistency checks after completing the pass.
2844
2845 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2846
2847         PR 24644
2848         * common.opt (Wvolatile-register-var): New.
2849         * varasm.c (make_decl_rtl): Only emit warning when option
2850         specified.  Clarify warning message.
2851         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2852
2853         * doc/md.texi (copysign): Document standard named pattern.
2854
2855 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2856
2857         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2858         bytes when align is 2.
2859         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2860         by the first instruction of the loop.
2861
2862 2005-11-11  Jason Merrill  <jason@redhat.com>
2863
2864         PR c++/24686
2865         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2866         the cleanup list.
2867
2868 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2869
2870         PR rtl-optimization/22509
2871         * local-alloc.c (memref_used_between_p): Check whether a function call
2872         could not reference the memref.
2873
2874 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2875
2876         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2877         algorithm so as to choose the best, not the worst, alternative.
2878         Reset accumulated register class before processing next alternative.
2879
2880 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2881
2882         PR target/24445
2883         * calls.c (expand_call): Copy a return value to a plain register
2884         if needed.
2885
2886 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2887
2888         PR target/24778
2889         * varasm.c (assemble_name): Recompute name only for transparent
2890         aliases.
2891
2892 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2893
2894         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2895
2896 2005-11-04  Jeff Law  <law@redhat.com>
2897
2898         PR middle-end/23181
2899         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2900         perform reassociation if the parent statement will not die as
2901         a result of the optimization.
2902
2903 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2904
2905         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2906         delete_old_heap_vars.
2907         * tree-dfa.c (referenced_var_remove): Remove function.
2908         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2909         (delete_tree_ssa): Remove call to delete_old_heapvars.
2910         Add call to delete_alias_heapvars.
2911         * tree-flow.h (referenced_var_remove): Remove prototype
2912         (init_alias_heapvars): New prototype.
2913         (delete_alias_heapvars): Ditto.
2914         * Makefile.in (tree-ssa-structalias.o): Add
2915         gt-tree-ssa-structalias.o
2916         (GTFILES): Add tree-ssa-structalias.h and
2917         tree-ssa-structalias.c.
2918         (s-gtype): Add gt-tree-ssa-structalias.h.
2919         * tree-ssa-structalias.c (heapvars): Remove.
2920         (oldheapvars): Remove.
2921         (heapvar_for_stmt): New variable.
2922         (heapvar_lookup): New function.
2923         (heapvar_insert): Ditto.
2924         (get_constraint_for): See if we have an old heapvar
2925         to reuse.
2926         (init_alias_heapvars): New function.
2927         (delete_alias_heapvars): Ditto.
2928         Add include of gt-tree-ssa-structalias.h.
2929
2930 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2931
2932         PR middle-end/22127
2933         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2934
2935 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2936
2937         * tree.c (int_fits_type_p): Only look at the base type
2938         if it has the same precision as the original type.
2939
2940 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2941
2942         PR other/4372
2943         * varasm.c (assemble_alias): Use %q+D in the error
2944         message instead of %J and %qD.
2945
2946 2005-11-10  Richard Guenther  <rguenther@suse.de>
2947
2948         * gcse.c (free_ldst_entry): Only free hashtable if
2949         it exists.
2950
2951 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2952
2953         * function.c (assign_stack_local_1): Issue an error message if
2954         the frame size overflows in the signed target arithmetics.
2955
2956 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2957
2958         * tree.c (build_qualified_type): Chain the new type to the original
2959         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2960         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2961         (build_pointer_type_for_mode): Only return unqualified types.
2962         (build_reference_type_for_mode): Likewise.
2963
2964 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2965
2966         * Makefile.in (gnucompare): Do comparison of all files using one of
2967         the chosen methods and only afterwards decide if just warning should
2968         be issued or comparison failure raised.
2969
2970 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2971
2972         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2973         (noce_try_abs): Negate if the comparison is reversed.
2974         Look only one instruction backwards for a REG_EQUAL note.
2975
2976 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2977
2978         PR other/4372
2979         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2980         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2981         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2982         and prefix all uses with __ghtrw.
2983
2984 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2985
2986         PR other/4372
2987         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2988         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2989         * c-common.c (handle_weakref_attribute): New.
2990         (c_common_attribute_table): Add weakref.
2991         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2992         in the assembler.
2993         * configure, config.in: Rebuilt.
2994         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2995         * doc/extend.texi: Document weakref attribute.
2996         * varasm.c (ultimate_transparent_alias_target): New
2997         (assemble_name): Use it.
2998         (weak_finish_1): Split out of...
2999         (weak_finish): ... and deal with weakrefs in...
3000         (weakref_targets): ... new list.
3001         (globalize_decl): Clean up weakref_targets.
3002         (do_assemble_alias): Handle weakrefs.
3003         (finish_aliases_1): Do not reject weakrefs to external symbols.
3004         (assemble_alias): Handle weakrefs.
3005
3006 2005-11-09  Richard Guenther  <rguenther@suse.de>
3007
3008         PR tree-optimization/24716
3009         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3010         t_bool to track results from follow_ssa_edge.
3011
3012 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3013
3014         * final.c (force_source_line): New global variable.
3015         (final_scan_insn): Set it to true instead of clearing last_filename.
3016         (notice_source_line): Return true if force_source_line is true,
3017         unless source info is absent.
3018
3019 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3020
3021         PR c/24644
3022         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3023         a linkage name for a variable if it a register variable.
3024         * c-decl.c (grokdeclarator): Global register variables
3025         should be set as PUBLIC.
3026
3027 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3028
3029         PR 24624
3030         * config/s390/s390.c (struct s390_frame_layout): New fields
3031         first_save_gpr_slot and last_save_gpr_slot.
3032         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3033         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3034         first_save_gpr and last_save_gpr with the _slot variants.
3035         (s390_register_info): Calculate first_save_gpr_slot and
3036         last_save_gpr_slot using regs_ever_live.
3037
3038 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3039
3040         PR 24623
3041         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3042         for a function containing a landing pad.
3043
3044 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3045
3046         PR 24034
3047         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3048         is live afterwards.
3049
3050 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3051
3052         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3053         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3054
3055 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3056
3057         Add ms2 support
3058         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3059         constants.
3060         (call,load,store): New insn types.
3061         (mem_access, branch_access): Adjust reservation conditions.
3062         (define_delay): Adjust condition.
3063         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3064         type.
3065         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3066         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3067         insn type.
3068         (call_internal, call_value_internal, return_internal,
3069         return_interrupt_internal, eh_return_internal, indirect_jump,
3070         tablejump): Set call insn type.
3071         (blockage, ei, di): Use appropriate unspec const.
3072         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3073         (ms1_get_attr_type): Adjust to give load & store types.
3074         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3075         backwards past a barrier.
3076         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3077         branch scheduling.
3078         (struct branch_info, struct label_info): New.
3079         (ms1_labels): New.
3080         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3081         (ms1_machine_reorg): New.
3082         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3083         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3084         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3085         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3086         (TARGET_MS2): New.
3087
3088 2005-11-09  Per Bothner  <per@bothner.com>
3089             Uros Bizjak  <uros@kss-loka.si>
3090
3091         PR c/24101
3092         * toplev.c (process_options): Initialize debug_hooks early
3093         in case lang_hooks.post_options ends up calling a debug_hook.
3094
3095 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3096
3097         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3098         DBX_REGISTER_NUMBER being contiguous.
3099
3100 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3101             Diego Novillo  <dnovillo@redhat.com>
3102
3103         PR 23046
3104         * tree-vrp.c (register_edge_assert_for): Do not register
3105         always-false predicates.
3106
3107 2005-11-08  Devang Patel <dpatel@apple.com>
3108
3109         PR tree-optimization/23115
3110         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3111         relation.
3112
3113 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3114
3115         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3116         -mcpu=440.
3117
3118 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3119
3120         Fix PR tree-optimization/23382
3121
3122         * tree-ssa-alias.c (compute_may_aliases): Call
3123         delete_old_heap_vars.
3124         * tree-dfa.c (referenced_var_remove): New function.
3125         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3126         * tree-flow.h (referenced_var_remove): Add prototype.
3127         (delete_old_heap_vars): Ditto.
3128         * tree-ssa-structalias.c (heapvars): New variable.
3129         (oldheapvars): Ditto.
3130         (get_constraint_for): Put heap vars on heapvars list.
3131         (delete_old_heap_vars): New function.
3132
3133 2005-11-08  Jason Merrill  <jason@redhat.com>
3134
3135         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3136
3137 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3138
3139         PR target/19340
3140         * reg-stack.c (reg_to_stack): Update register liveness also
3141         for flag_sched2_use_traces.
3142
3143 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3144
3145         PR target/23704
3146         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3147         override prior explicit -mno-powerpc-gfxopt.
3148
3149 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3150
3151         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3152         if the bitsize is zero.
3153         * doc/md.texi (Standard Pattern Names): Document it.
3154
3155         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3156         (TARGET_PASS_BY_REFERENCE): Likewise.
3157
3158 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3159
3160         PR rtl-optimization/24683
3161         * config/i386/i386.c (legitimize_pic_address): If constant operand
3162         to PLUS is too large, put it in a register.
3163
3164 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3165
3166         * configure.ac: Enable checking assembler dwarf2 support for bfin
3167         target.
3168         * configure: Regenerate.
3169
3170 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3171
3172         PR target/24230
3173
3174         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3175         gen_easy_vector_constant_add_self): Delete.
3176         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3177         New.
3178         (output_vec_const_move): Use gen_easy_altivec_constant.
3179         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3180         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3181         (easy_vector_constant_add_self): Rewritten.
3182         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3183         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3184         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3185         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3186         Macroize and adjust for the other changes.
3187
3188 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3189
3190         PR c/24599
3191
3192         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3193         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3194
3195 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3196
3197         PR rtl-optimization/23567
3198         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3199         (noce_process_if_block): Don't do any optimizations except
3200         if (cond) x = x; if !set_b and write into orig_x may trap
3201         or fault.  Remove the MEM_READONLY_P check.
3202
3203 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3204
3205         PR 24670
3206         * tree-vrp.c (fix_equivalence_set): New.
3207         (extract_range_from_assert): Call it.
3208
3209 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3210
3211         PR target/22432
3212         * combine.c (apply_distributive_law): Don't distribute across a
3213         vector mode subreg.
3214
3215 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3216
3217         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3218         config/ms1/ms1.h, config/rs6000/predicates.md,
3219         config/s390/s390.c, params.def, postreload-gcse.c,
3220         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3221         tree-vrp.c, tree.c: Fix comment typos.
3222         * doc/invoke.texi: Fix typos.
3223
3224 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3225
3226         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3227         for testing whether the data_dependence_relation contains distance
3228         vectors.  Iterate over all distance vectors of the ddr.
3229         * lambda.h: Define a vec of lambda_vector pointers.
3230         * tree-data-ref.c (dump_data_dependence_relation,
3231         dump_data_dependence_direction): Iterate over all distance and
3232         direction vectors of the ddr.
3233         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3234         DDR_DIST_VECTS.
3235         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3236         of distance/direction vectors instead of a single one.
3237         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3238         lambda_vectors with a vec of lambda_vectors.
3239         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3240         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3241         DDR_NUM_DIST_VECTS): New.
3242         * tree-loop-linear.c (gather_interchange_stats): Test for the
3243         existence of distance vectors only after having checked that there
3244         is a dependence.  Iterate over all distance vectors of the ddr.
3245         (linear_transform_loops): Use dump_data_dependence_relation.
3246         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3247         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3248         distance vectors of the ddr.
3249
3250 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3251
3252         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3253         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3254         IS_INTHANDLER; all callers changed.
3255         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3256         account.
3257         (do_link, do_unlink): New argument ALL; all callers changed.
3258         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3259         If function isn't leaf, save and restore all registers.
3260         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3261         exception handler.
3262
3263 2005-11-05  Jan Hubicka  <jh@suse.cz>
3264
3265         PR rtl-optimization/23490
3266         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3267         max-flow-memory-location): Document.
3268         * flow.c: Include params.h
3269         (MAX_MEM_SET_LIST_LEN): Kill.
3270         (add_to_mem_set_list): Use new param.
3271         * cse.c (cse_basic_block): Replace 1000 by new param.
3272         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3273         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3274         * predict.c (predict_loops): Use new param.
3275         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3276
3277         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3278         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3279         Do not hold memory returned by cgraph_node_name across other call.
3280
3281 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3282
3283         PR target/23424
3284         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3285         Disable.
3286
3287 2005-11-04  Jeff Law  <law@redhat.com>
3288
3289         PR/21883
3290         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3291         * tree-ssa-dom.c: Include params.h.
3292         (thread_across_edge): If there are too many statements in the
3293         target block, then do not thread through it.
3294         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3295         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3296
3297 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3298
3299         PR 24627
3300         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3301         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3302
3303 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3304
3305         PR/18595
3306         * tree-scalar-evolution.c (instantiate_parameters_1,
3307         instantiate_parameters, resolve_mixers): Compute the size of an
3308         expression to be instantiated and give up the instantiation if the
3309         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3310
3311 2005-11-04  Richard Guenther  <rguenther@suse.de>
3312
3313         * tree-flow.h (ref_contains_indirect_ref): Rename to
3314         array_ref_contains_indirect_ref.
3315         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3316         (array_ref_contains_indirect_ref): Make comment match the code
3317         and vice-versa.
3318         (ref_contains_array_ref): Likewise.
3319         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3320         ref_contains_indirect_ref.
3321         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3322         Rename calls to ref_contains_indirect_ref.
3323
3324 2005-11-04 Paul Brook  <paul@codesourcery.com>
3325
3326         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3327         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3328         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3329         * config/arm/arm.md: Use match_operand in peephole input templates
3330         and match_dup in peephole output templates.
3331
3332 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3333
3334         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3335         __aeabi_uidiv.
3336
3337 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3338             Daniel Jacobowitz  <dan@codesourcery.com>
3339
3340         * longlong.h (add_ssaaaa): Clobber condition code register
3341         in ARM version.
3342         (sub_ddmmss): Likewise.
3343         (umul_ppmm): Likewise.
3344
3345 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3346             Paul Brook  <paul@codesourcery.com>
3347             Phil Blundell  <pb@reciva.com>
3348
3349         * configure.ac: Add test for ARM TLS support.
3350         * configure: Regenerated.
3351         * config/arm/arm-protos.h (legitimize_tls_address)
3352         (arm_tls_referenced_p, tls_mentioned_p)
3353         (arm_output_addr_const_extra): New prototypes.
3354         (thumb_legitimize_pic_address): Delete.
3355         * config/arm/arm.c: Include "gt-arm.h".
3356         (enum tls_reloc): New.
3357         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3358         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3359         (arm_call_tls_get_addr, legitimize_tls_address)
3360         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3361         (arm_init_tls_builtins, arm_emit_tls_decoration)
3362         (arm_output_addr_const_extra): New functions.
3363         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3364         (TARGET_HAVE_TLS): Define.
3365         (target_thread_pointer): New.
3366         (arm_override_options): Handle -mtp=.
3367         (legitimize_pic_address): Ignore UNSPECs.
3368         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3369         relative symbols.
3370         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3371         (tls_get_addr_libfunc): New variable.
3372         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3373         (arm_init_builtins): Call arm_init_tls_builtins.
3374         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3375         (arm_encode_section_info): Call default_encode_section_info.
3376         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3377         (enum arm_tp_type): New.
3378         (target_thread_pointer): Add declaration.
3379         (LEGITIMATE_CONSTANT_P): Handle TLS.
3380         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3381         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3382         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3383         * config/arm/arm.md: Add UNSPEC_TLS.
3384         (movsi): Handle TLS.
3385         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3386         non-PIC.
3387         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3388         (load_tp_hard, load_tp_soft): New insns.
3389         * arm.opt: Add -mtp=.
3390         * doc/invoke.texi (ARM Options): Document -mtp.
3391
3392 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3393
3394         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3395         * config/arm/libunwind.S: Include "lib1funcs.asm".
3396         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3397         (LIB2ADDEH): Add libunwind.S.
3398         (LIB2ADDEHDEP): Add lib1funcs.asm.
3399         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3400
3401 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3402
3403         PR fortran/18452
3404         * gcc/c.opt: Add a -lang-fortran option.
3405         * gcc/c-opts.c: Add a lang_fortran flag.
3406         (c_common_init_options): Handling the -lang-fortran option.
3407         (c_common_handle_option): Add a case for Fortran options in
3408         preprocessing. Remove cases for -ffixed-form and
3409         -ffixed-line-length. Add a case for -lang-fortran.
3410
3411 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3412
3413         * config/rs6000/rs6000.c: Include params.h
3414         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3415         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3416         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3417         (UNSPEC_VPKUWSS): Delete.
3418         (altivec_vpkuhss): Delete.
3419         (altivec_vpkuwss): Delete.
3420         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3421         final condition.
3422         (neg_eq0<mode>): Remove final condition.
3423         (neg_eq<mode>): Remove condition and split-condition.
3424
3425 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3426
3427         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3428         Use associated print macros.
3429
3430 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3431
3432         PR c++/17964
3433         * diagnostic.c (diagnostic_set_info_translated): New function.
3434         (diagnostic_set_info): Use it.  Add comment.
3435         * diagnostic.h (diagnostic_set_info_translated): Declare.
3436
3437 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3438
3439         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3440         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3441         reference only if 'public' is true.
3442         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3443         emit the .hidden directive only if the indirect reference is public.
3444         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3445         Pass it to dw2_force_const_mem.
3446         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3447         * dwarf2out.c (output_cfi): Adjust calls to above function.
3448         (output_call_frame_info): Likewise.
3449         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3450         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3451
3452 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3453
3454         PR tree-optimization/24483
3455         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3456         field to elts if possible.
3457
3458 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3459
3460         PR middle-end/23155
3461         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3462         CONSTRUCTOR.
3463
3464 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3465
3466         Fix PR tree-optimization/24351
3467
3468         * tree-ssa-structalias.c (struct variable_info): Add
3469         collapsed_into.
3470         (get_varinfo_fc): New function to follow collapsing.
3471         (new_var_info): Set collapsed_to to NULL.
3472         (dump_constraint): Follow collapsing.
3473         (build_constraint_graph): Handle collapsing.
3474         (do_simple_structure_copy): Return false if something bad
3475         happened.
3476         (collapse_rest_of_var): New function.
3477         (do_structure_copy): Collapse if do_simple_structure_copy returns
3478         false.
3479
3480 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3481
3482         PR middle-end/24589
3483         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3484         expressions to a statement list instead of gimplifying them.
3485
3486 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3487
3488         PR rtl-optimization/23585
3489         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3490         that can't trap plus a constant integer, if the mode has zero size.
3491
3492 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3493
3494         PR target/24620
3495         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3496         as operand 2.
3497         ("*insv<mode>_reg_extimm"): Likewise.
3498
3499 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3500
3501         PR c/24329
3502         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3503         c_common_type_for_mode returns an unnamed type.
3504
3505 2005-11-02  Richard Henderson  <rth@redhat.com>
3506
3507         PR target/9350
3508         PR target/24374
3509         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3510         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3511         * function.c (assign_parms): Use calls.internal_arg_pointer.
3512         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3513         code.
3514         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3515         (TARGET_CALLS): Add it.
3516         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3517         * targhooks.c (default_internal_arg_pointer): New.
3518         * targhooks.h (default_internal_arg_pointer): Declare.
3519         * tree.h (dwarf2out_reg_save_reg): Declare.
3520         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3521         * config/i386/i386.c (dbx_register_map): Add return column.
3522         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3523         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3524         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3525         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3526         (ix86_save_reg): Save force_align_arg_pointer.
3527         (ix86_emit_save_regs): Make regno unsigned.
3528         (ix86_emit_save_regs_using_mov): Likewise.
3529         (ix86_expand_prologue): Handle force_align_arg_pointer.
3530         (ix86_expand_epilogue): Likewise.
3531         * config/i386/i386.h: (dbx_register_map): Update.
3532         (dbx64_register_map, svr4_dbx_register_map): Update.
3533         (struct machine_function): Add force_align_arg_pointer.
3534         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3535         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3536         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3537
3538 2005-11-02  Jan Hubicka  <jh@suse.cz>
3539
3540         PR target/23303
3541         * i386.md: Add peep2 for simplyfing array accesses.
3542
3543 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3544
3545         PR target/24615
3546         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3547         * config/s390/s390.c (s390_decompose_shift_count): New function.
3548         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3549         (print_shift_count_operand): Use s390_decompose_shift_count.
3550         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3551         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3552
3553 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3554
3555         PR target/24600
3556         * loop.c (loop_givs_rescan): Use force_operand to expand
3557         complex GIVs.
3558
3559 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3560
3561         PR 22429
3562         * fold-const.c (build_range_check): Use unsigned when signed
3563         overflow is undefined also.  If etype is subtype, make sure that
3564         the subtraction is in the supertype.
3565
3566 2005-11-02  Richard Henderson  <rth@redhat.com>
3567
3568         PR target/24178
3569         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3570         by MEM_ALIGN.
3571
3572 2005-11-01  Richard Henderson  <rth@redhat.com>
3573
3574         PR 21518
3575         * loop.c (scan_loop): Do not propagate computations to a hard
3576         register destination with SMALL_REGISTER_CLASSES.
3577
3578 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3579
3580         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3581         costs for MULT inside PLUS or MINUS.
3582
3583 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3584
3585         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3586         (TRAMPOLINE_SIZE): Round up to 60.
3587         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3588
3589 2005-10-31  James E. Wilson  <wilson@specifix.com>
3590
3591         PR debug/24444
3592         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3593         ifdef.  Put ifdefs around call in gen_subprogram_die.
3594         (compute_frame_pointer_to_cfa_displacement): Likewise.
3595         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3596         not defined.
3597
3598         PR rtl-optimization/17356
3599         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3600         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3601
3602 2005-10-31  Jan Hubicka  <jh@suse.cz>
3603
3604         PR middle-end/24093
3605         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3606
3607         PR target/20928
3608         * i386.c (legitimize_pic_address): Deal with large immediates.
3609
3610         PR profile/20815
3611         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3612         from symbol names while computing checkup.
3613
3614         PR profile/24487
3615         * predict.c (predict_loops): Do not estimate more than
3616         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3617         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3618
3619 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3620
3621         PR tree-optimization/19097
3622         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3623
3624 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3625
3626         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3627
3628 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3629
3630         PR middle-end/23492
3631         * tree-inline.c (setup_one_parameter): If the init_stmt
3632         is NULL, don't insert the statement.
3633
3634 2005-10-30  Jan Hubicka  <jh@suse.cz>
3635
3636         PR tree-optimization/24172
3637         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3638
3639 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3640
3641         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3642         constants for hosts with long != 32 bits.
3643
3644 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3645
3646         PR middle-end/24093
3647         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3648
3649 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3650
3651         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3652         (TARGET_MS1_16_002): New.
3653         (TARGET_MS1_16_003): New.
3654
3655         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3656         ("*decrement_and_branch_until_zero_no_clobber"): New.
3657         Add corresponding splitter for decrement_and_branch_until_zero
3658         instruction.
3659         Key all decrement_and_branch_until_zero patterns off of
3660         TARGET_MS1_16_003.
3661
3662 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3663
3664         PR middle-end/24362
3665         * tree-complex.c (extract_component): Treat RESULT_DECL
3666         like the rest of the decls.
3667
3668 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3669
3670         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3671         indirect call to _mcount if the function needs a static chain.
3672
3673 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3674             Caroline Tice  <ctice@apple.com>
3675
3676         PR rtl-optimization/24460
3677         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3678         (dwarf2out_switch_text_section): Set it to true instead of
3679         incrementing separate_line_info_table_in_use.
3680         (output_loc_list): Additionally test have_switched_text_sections.
3681         (output_ranges): Likewise.
3682         (dwarf2out_finish): Likewise.
3683         * varasm.c (assemble_start_function): Do not call
3684         insert_section_boundary_note.
3685         (assemble_end_function): If flag_reorder_blocks_and_partition,
3686         switch to the function's section before emitting the .size directive.
3687         * bb-reorder.c (insert_section_boundary_note): Staticify.
3688         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3689         * output.h (insert_section_boundary_note): Delete.
3690
3691 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3692
3693         PR c/23103
3694         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3695         instead of pointer equality when comparing types.
3696
3697 2005-10-24  James E. Wilson  <wilson@specifix.com>
3698
3699         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3700         add_dependence_list_and_free calls.
3701
3702 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3703
3704         * contrib.texi: Add the names of the LLNL folks who donated
3705         Cray pointer support for gfortran.
3706
3707 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3708
3709         PR tree-optimization/24225
3710         * profile.c (branch_prob): Look from end to start through a
3711         basic block when looking for a locus.
3712
3713 2005-10-24  Richard Henderson  <rth@redhat.com>
3714
3715         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3716         parallel.
3717         (hppa_expand_prologue): Likewise.
3718
3719 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3720
3721         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3722         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3723         * pa.h (NO_PROFILE_COUNTERS): Define.
3724         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3725         (funcdef_nos): New vector to hold label numbers of deferred profile
3726         counters.
3727         (output_deferred_profile_counters): New function.
3728         (hppa_profile_hook): Push label number onto funcdef_nos.
3729         (pa_hpux_file_end): Call output_deferred_profile_counters if
3730         NO_DEFERRED_PROFILE_COUNTERS is false.
3731
3732         * pa-protos.h (get_deferred_plabel): New prototype.
3733         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3734         Make global.
3735         (output_call): Adjust calls.
3736
3737 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3738
3739         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3740         peculiarity of GOT/TOC section usage.
3741
3742 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3743
3744         PR objc/24435
3745          * c-common.c (constant_string_class_name): Add documentation.
3746
3747 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3748
3749         PR target/23832
3750         * recog.c (peephole2_optimize): Increment peep2_current_count
3751         only when the slot is empty.
3752
3753 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3754
3755         PR ada/23957
3756         * except.c (output_function_exception_table): Call
3757         assemble_external_libcall if we need a personality function.
3758
3759 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3760
3761         PR rtl-optimization/24460
3762         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3763         set the basic block for barriers.
3764
3765 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3766
3767         * var-tracking.c (vt_initialize): Initialize post.
3768
3769 2005-10-21  Devang Patel  <dpatel@apple.com>
3770
3771         PR/24220
3772         * c-common.c (vector_types_convertible_p): Check vector element type.
3773
3774 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3775
3776         * config/sh/sh.c (prepare_move_operands): Handle the address
3777         constant which is a tls symbolic address plus a constant.
3778
3779 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3780
3781         PR driver/24473
3782         * gcc.c (main): Use the correct counter for erroring out
3783         about mulitple files.
3784
3785 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3786
3787         PR target/24465
3788         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3789         use r2 for 64-bit tls .got access.
3790
3791 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3792
3793         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3794         TRUTH_OR_EXPR.
3795
3796 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3797
3798         PR tree-optimization/24307
3799         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3800
3801 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3802
3803         PR middle-end/24295
3804         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3805         alias targets.
3806         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3807         is ready, stop marking functions, but still mark variables.
3808
3809 2005-10-20  Richard Guenther  <rguenther@suse.de>
3810
3811         PR c++/24439
3812         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3813         void type operands.
3814
3815 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3816
3817         PR rtl-optimization/23585
3818         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3819         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3820         (may_trap_p_1): New predicate extracted from...
3821         (may_trap_p): ... here.  Invoke may_trap_p_1.
3822         (may_trap_or_fault_p): New predicate.
3823         * rtl.h (may_trap_or_fault_p): Declare it.
3824         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3825         instead of may_trap_p.
3826         (steal_delay_list_from_fallthrough): Likewise.
3827         (fill_simple_delay_slots): Likewise.
3828         (fill_slots_from_thread): Likewise.
3829         * function.c (pad_to_arg_alignment): Rework comment about
3830         SPARC_STACK_BOUNDARY_HACK.
3831         * config/sparc/sparc.h: Likewise.
3832
3833 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3834
3835         * config/s390/s390.c (s390_expand_insv): New.
3836         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3837         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3838         ("icm_hi"): Remove mode attribute.
3839         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3840         Adjust all uses.
3841         ("*extracthi", "*extractqi"): Remove.
3842         (extv<mode>", "*extzv<mode>"): New.
3843         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3844         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3845
3846 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3847
3848         * cfgexpand.c (discover_nonconstant_array_refs_r,
3849         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3850         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3851         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3852         discover_nonconstant_array_refs.
3853
3854 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3855
3856         PR c/23228
3857         * c-decl.c (pop_scope): Don't warn about an unused variable
3858         if it is marked with TREE_NO_WARNING.
3859         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3860         somenow mismatch and olddecl is to be replaced.
3861
3862 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3863
3864         PR middle-end/23199
3865         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3866         whether registers live on the edge can be saved/restored.
3867
3868 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3869
3870         * config/sh/sh.c (fixup_mova): Skip notes.
3871
3872 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3873
3874         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3875         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3876         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3877         (s390_initial_elimination_offset): Likewise.
3878         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3879         register on TARGET_ZARCH targets.
3880         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3881         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3882         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3883         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3884
3885 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3886
3887         * config/s390/s390.md: Comment describing output modifiers updated.
3888         * config/s390/s390.c (print_operand): Likewise.
3889
3890 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3891
3892         * config/s390/s390.c (override_options): Added check for -mstack-size
3893         64k limitation.
3894         * doc/invoke.texi: Mention that limit in the documenation.
3895
3896 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3897
3898         PR #19672
3899         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3900
3901 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3902
3903         Fix PR tree-optimization/24231
3904
3905         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3906         (compute_avail): Ditto.
3907
3908 2005-10-18  Richard Henderson  <rth@redhat.com>
3909
3910         PR target/24428
3911         * config/i386/i386.c (legitimate_constant_p): Check
3912         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3913         if LABEL_REF.
3914         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3915         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3916         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3917         directly.
3918         (print_operand_address): Likewise.
3919         * config/i386/predicates.md (x86_64_immediate_operand): Test
3920         SYMBOL_REF_TLS_MODEL properly inside CONST.
3921         (x86_64_zext_immediate_operand): Likewise.
3922         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3923         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3924         * config/i386/i386-protos.h: Remove predicates.md entries.
3925
3926 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3927
3928         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3929         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3930
3931 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3932             Ian Lance Taylor <ian@airs.com>
3933
3934         PR middle-end/23522
3935         * fold-const.c (fold_widened_comparison): Do not allow range based
3936         constant folding when right operand cannot be unwidened.
3937
3938 2005-10-17  Richard Henderson  <rth@redhat.com>
3939
3940         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3941         with a memory clobber.
3942
3943 2005-10-17  James E Wilson  <wilson@specifix.com>
3944
3945         PR rtl-optimization/17356
3946         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3947         checking for EDGE_EH.
3948
3949 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3950
3951         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3952         the slot on an even boundary for any type with 16-byte alignment.
3953
3954 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3955
3956         PR target/23424
3957         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3958         after register allocation.
3959
3960 2005-10-17  DJ Delorie  <dj@redhat.com>
3961
3962         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3963         as frame related.
3964
3965 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3966
3967         PR c++/22551
3968         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3969         overflow flags.
3970
3971 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3972
3973         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3974         to 2 if it's already non-zero.
3975         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3976         is set and warn about it if flag_schedule_insns is 1.
3977
3978 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3979
3980         * config/crx/crx.md: Compare-and-branch instructions need to
3981         invalidate CC.
3982
3983 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3984
3985         PR target/24315
3986         * config/i386/i386.md (*pushdi2_rex64 splitter)
3987         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3988         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3989         flow2 pass only when (optimize > 0 && flag_peephole2).
3990
3991 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3992
3993         PR driver/22544
3994         * gcc.c (have_c): New static variable.
3995         (have_o): Likewise.
3996         (process_command): Remove declation of have_c.
3997         Set have_o to 1 when handling -o.
3998         (main): Add a fatel error if there are multiple
3999         files specified and -o and -c/-S is passed witout
4000         -combine or multiple languages.
4001
4002 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4003
4004         Fix PR tree-optimization/22444
4005         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4006         Assert that we don't hit something with subvars.
4007         (setup_pointers_and_addressables): Don't add things with subvars,
4008         because we'll already process the subvars for aliasing purposes.
4009
4010 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4011
4012         PR target/23424
4013         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4014         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4015         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4016         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4017         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4018         swapped, alternatives for the R constraint.
4019
4020         PR middle-end/24341
4021         * builtins.c (get_builtin_sync_mode): Make unlimited
4022         mode_for_size request.
4023
4024 2005-10-15  Richard Henderson  <rth@redhat.com>
4025
4026         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4027         (gimplify_expr): ... here.
4028         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4029         fb_lvalue in base expression.
4030
4031 2005-10-15  Richard Henderson  <rth@redhat.com>
4032
4033         PR 23714
4034         * builtins.c (expand_builtin_trap): Export.
4035         * expr.h (expand_builtin_trap): Declare.
4036         * expr.c (expand_assignment): Emit a trap for integral offsets
4037         from registers that weren't reduced to bitpos.
4038
4039         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4040         (mark_array_ref_addressable): Remove.
4041         * tree-flow.h (mark_array_ref_addressable): Remove.
4042         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4043
4044 2005-10-15  James E Wilson  <wilson@specifix.com>
4045
4046         PR target/24232
4047         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4048         (add_dependence_list_and_free): Likewise.
4049         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4050         call.
4051
4052 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4053
4054         PR 23141
4055         PR 23142
4056         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4057         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4058         anti-range.
4059         (vrp_visit_phi_node): Only prevent infinite iterations when
4060         the previous result and the new result are both VR_RANGEs.
4061
4062 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4063
4064         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4065         function comment.
4066
4067 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4068
4069         PR c/23439
4070         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4071         to initialize loc.
4072
4073 2005-10-14  Per Bothner  <per@bothner.com>
4074
4075         PR preprocessor/21250
4076         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4077
4078 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4079
4080         PR c++/22551
4081         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4082         overflow flags.  Refactor some conditionals.
4083
4084 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4085
4086         PR tree-opt/21304
4087         * tree-dfa.c (add_referenced_var): Only look at decls which
4088         have TREE_CONSTANT or TREE_READONLY set instead of if
4089         !TREE_PUBLIC or !TREE_CONSTANT.
4090
4091 2005-10-13  James E Wilson  <wilson@specifix.com>
4092
4093         * doc/invoke.texi: For -x, add f95-cpp-input.
4094         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4095
4096 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4097
4098         PR tree-optimization/24262
4099         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4100         in loop all the time.
4101
4102 2005-10-12  Richard Henderson  <rth@redhat.com>
4103
4104         PR c/24255
4105         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4106         * function.c (assign_parm_find_data_types): Don't support it.
4107         * print-tree.c (print_node): Likewise.
4108         * c-common.c (handle_transparent_union_attribute): Likewise.
4109         Use build_duplicate_type.
4110         * tree-inline.c (remap_type_1): Split out of remap_type;
4111         properly remap aggregate fields.
4112         (build_duplicate_type): New.
4113         * doc/extend.texi (Variable Attributes): Remove documentation
4114         for transparent_union.
4115
4116 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4117
4118         PR target/24284
4119         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4120         (gen_stack_pointer_dec): Likewise.
4121
4122 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4123
4124         PR middle-end/21275
4125         PR middle-end/21766
4126         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4127         target hook.
4128         (struct cxx): Add adjust_class_at_definition target hook.
4129         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4130         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4131         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4132         hook_void_tree. Add to TARGET_CXX.
4133         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4134         dllimport_flag.
4135         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4136         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4137         instead of attribute. Check for dllexport override.  Warn if
4138         inconsistent dll linkage. Don't lose old dllimport if decl has
4139         had address referenced.   Tweak lookup of dllimport atribute.
4140         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4141         for target specific rules.  Don't add dllimport attribute if
4142         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4143         dllimport attribute.
4144         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4145         * varasm.c (initializer_constant_valid_p): Replace
4146         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4147
4148         PR target/21801
4149         PR target/23589
4150         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4151         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4152         (i[34567]86-*-mingw32*): Likewise.
4153
4154         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4155         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4156
4157         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4158         C++-specific code. Change return value to bool.
4159         (i386_pe_dllimport_p): Likewise.
4160         (associated_type): Simplify and make language-independent
4161         (i386_pe_encode_section_info): Replace override of ambiguous
4162         dllimport symbol refs with a gcc_assert.
4163         (i386_pe_valid_dllimport_attribute_p): Define.
4164         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4165         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4166         i386_pe_adjust_class_at_definition.
4167         * config/i386/winnt-stubs.c: New file. Define stub versions of
4168         lang-specific functions.
4169         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4170         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4171         i386_pe_adjust_class_at_definition.
4172         (i386_pe_valid_dllimport_attribute_p): Declare.
4173         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4174         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4175         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4176
4177         PR target/19704
4178         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4179         dllimport attribute with test of DECL_DLLIMPORT_P.
4180
4181 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4182
4183         * combine.c (make_extraction): Correct offset computation.
4184
4185 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4186
4187         * config/cris/t-linux (LIMITS_H_TEST): Define.
4188
4189 2005-10-12  Richard Henderson  <rth@redhat.com>
4190
4191         PR rtl-opt/23324
4192         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4193
4194 2005-10-12  Richard Guenther  <rguenther@suse.de>
4195
4196         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4197
4198 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4199
4200         PR c++/19964
4201         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4202         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4203         type.
4204
4205 2005-10-12  Richard Guenther  <rguenther@suse.de>
4206
4207         PR c++/23799
4208         * varasm.c (output_constant): Correct typo from previous
4209         patch by DJ.
4210
4211 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4212
4213         PR rtl-optimization/13931
4214         * combine.c: Revert patch of 2003-05-14, and:
4215         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4216         completely killed in the appropriate insn.
4217         (distribute_notes): Don't skip multiple hard register test for
4218         elim_i1 and elim_i2.
4219
4220 2005-10-11  Richard Henderson  <rth@redhat.com>
4221
4222         PR c/24255
4223         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4224         to initialize a transparent union instead of a nop_expr.
4225
4226 2005-10-11  Richard Henderson  <rth@redhat.com>
4227
4228         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4229         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4230         (tree_ssa_dce_loop): Call scev_reset.
4231
4232         PR tree-opt/24300
4233         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4234         * tree-ssa-dce.c: Include cfgloop.h.
4235         (tree_ssa_dce_loop, pass_dce_loop): New.
4236         * tree-pass.h (pass_dce_loop): Declare it.
4237         * passes.c (init_optimization_passes): Use it.
4238
4239 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4240
4241         PR middle-end/24263
4242         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4243         Only apply the optimization for rounding builtins if the inner
4244         cast is also an extension.
4245
4246 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4247
4248         PR tree-opt/23946
4249         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4250         mark_new_vars_to_rename instead of update_stmt.
4251
4252 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4253
4254         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4255
4256 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4257
4258         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4259         for setting MMX register to 0 rather than mmx.
4260
4261 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4262
4263         PR target/12098
4264         * configure.ac: Move gas check from mips specific case to common case.
4265         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4266         * configure: Regenerate
4267         * doc/install.texi: Update.
4268
4269 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4270
4271         PR target/24284
4272         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4273
4274 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4275
4276         * gcc.c (do_spec_1): Accept numeric characters in file name
4277         suffixes.
4278
4279 2005-10-10  Nick Clifton  <nickc@redhat.com>
4280
4281         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4282         describing the deleted arm_gen_rotated_half_load function.
4283
4284 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4285
4286         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4287         __fpscr_values.
4288
4289 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4290
4291         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4292         gnu_ld assignments.
4293         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4294         (EXTRA_MULTILIB_PARTS): Define.
4295         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4296         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4297         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4298         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4299         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4300         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4301
4302 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4303
4304         PR tree-optimization/24226
4305         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4306         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4307         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4308         Export.
4309
4310 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4311
4312         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4313
4314 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4315
4316         PR target/24136
4317         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4318         Rewrite for no need for the early clobber.
4319
4320 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4321
4322         Merge from csl-arm-branch:
4323         2005-09-07  Paul Brook  <paul@codesourcery.com>
4324         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4325         space to string.
4326
4327         2005-04-30  Paul Brook  <paul@codesourcery.com>
4328         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4329         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4330
4331         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4332         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4333         (arm_override_options): Use TARGET_AAPCS_BASED.
4334         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4335         (PTRDIFF_TYPE): Use int for AAPCS.
4336         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4337         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4338         (DEFAULT_SHORT_ENUMS): Delete.
4339         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4340
4341         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4342         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4343         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4344         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4345
4346         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4347         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4348
4349         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4350         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4351
4352         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4353         * config.gcc (arm*-*-linux-gnueabi): Add it.
4354         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4355         redefining it.
4356         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4357         * config/arm/linux-eabi.h: New file.
4358         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4359         (LINUX_TARET_LINK_SPEC): Likewise.
4360         (LINK_SPEC): Use it.
4361         * config/arm/t-linux-eabi: New file.
4362
4363 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4364
4365         PR other/22202
4366         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4367         spaces.
4368         (PARAM_SMS_DFA_HISTORY): Likewise.
4369
4370 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4371
4372         PR middle-end/23150
4373         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4374         (load_register_parameters): Call it.
4375         (check_sibcall_argument_overlap_1): Likewise.
4376         (store_one_arg): Likewise.
4377
4378 2005-10-07  James E. Wilson  <wilson@specifix.com>
4379
4380         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4381         DImode not VECINT24 for operand 2.
4382
4383         PR target/23644
4384         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4385         -mtune-arch.
4386
4387         PR target/24193
4388         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4389         fr_spill): Use destination_operand for operand 0.
4390
4391 2005-10-07  DJ Delorie  <dj@redhat.com>
4392
4393         * varasm.c (output_constant): Limit error to expanding
4394         conversions.
4395
4396 2005-10-07  Richard Guenther  <rguenther@suse.de>
4397
4398         PR middle-end/24227
4399         * fold-const.c (fold_binary): Fix operand types during folding
4400         of X op (A, Y).  Evaluation order of the side-effects of
4401         X and A are frontend-defined, so ensure we honour that even for
4402         tcc_comparison class operands; eased by removing duplicate code.
4403
4404 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4405
4406         * stor-layout.c (layout_type): Do not allow alignment of array
4407         elements to be greater than their size.
4408
4409 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4410
4411         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4412         host_xmake_file.
4413         (hppa*-*-linux*): Ditto.
4414         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4415         * config/host-hpux.c: New.
4416         * config/x-hpux: New.
4417         * config/pa/x-hpux: Remove.
4418         * config/pa/x-linux: Remove.
4419         * config/pa/pa-host.c: Remove.
4420
4421 2005-10-07  Jeff Law  <law@redhat.com>
4422
4423         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4424         determine whether or not to try and thread outgoing edges.
4425
4426 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4427
4428         * config/rs6000/rs6000.md (eqsi_power): New.
4429         (neg_eq0si): Add TARGET_POWER to final condition.
4430         (neg_eqsi): Same.
4431
4432 2005-10-06  Richard Henderson  <rth@redhat.com>
4433
4434         * config/rs6000/rs6000.c: Revert last change.
4435
4436 2005-10-06  Richard Henderson  <rth@redhat.com>
4437
4438         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4439         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4440
4441 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4442
4443         PR middle-end/22216
4444         PR middle-end/23651
4445         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4446         out return_label and naked_return_label.
4447
4448 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4449
4450         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4451         change.
4452
4453 2005-10-06  Richard Henderson  <rth@redhat.com>
4454
4455         PR tree-opt/22237
4456         * tree-inline.c (declare_return_variable): Handle modify_dest not
4457         being a DECL.
4458
4459 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4460
4461         Fix PR tree-optimization/22488
4462         * tree-ssa-structalias.c (check_for_overlaps): New function.
4463         (create_variable_info_for): Use it.
4464
4465 2005-10-06  Richard Henderson  <rth@redhat.com>
4466
4467         PR debug/24070
4468         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4469         (dwarf2out_start_source_file): Print it.
4470
4471 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4472
4473         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4474
4475 2005-10-06  Richard Henderson  <rth@redhat.com>
4476
4477         PR 23706
4478         * mode-switching.c (optimize_mode_switching): Clear transp bit
4479         for block with incomming abnormal edges.
4480
4481         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4482         (fpscr_set_from_mem): Use them.
4483         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4484         (fpscr postinc splitters): Rewrite as peephole2+split.
4485
4486 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4487
4488         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4489         (eq<mode>_compare): Same.
4490
4491 2005-10-06  Richard Guenther  <rguenther@suse.de>
4492
4493         PR tree-optimization/24238
4494         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4495
4496 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4497
4498         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4499         here.  Use AC_PATH_PROG for environment variables instead of
4500         test -x.
4501         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4502         objdump also.
4503         * configure: Regenerated.
4504
4505 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4506
4507         PR target/23783
4508         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4509         then force it into a register.
4510         (call_value): Likewise.
4511
4512 2005-10-06  Richard Henderson  <rth@redhat.com>
4513
4514         PR 24049
4515         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4516         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4517         under pass_vectorize.
4518
4519 2005-10-05  Devang Patel  <dpatel@apple.com>
4520
4521         PR Debug/23205
4522         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4523         handling constants. Check NAMESPACE_DECL context for constants.
4524
4525 2005-10-05  Eric Christopher  <echristo@apple.com>
4526
4527         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4528
4529 2005-10-05  Richard Henderson  <rth@redhat.com>
4530
4531         PR 23714
4532         * tree-cfg.c (mark_array_ref_addressable_1): New.
4533         (mark_array_ref_addressable): New.
4534         * tree-flow.h (mark_array_ref_addressable): Declare.
4535         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4536
4537 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4538
4539         PR middle-end/20606
4540         PR middle-end/24069
4541         * reload.c (subst_reloads): When adding a REG_LABEL to a
4542         jump instruction, also update JUMP_LABEL.
4543
4544 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4545
4546         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4547         * bb-reorder.c (copy_bb_p): Use it.
4548         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4549
4550 2005-10-05  Richard Henderson  <rth@redhat.com>
4551
4552         PR target/23602
4553         * toplev.c (process_options): Warn about unsupported combinations
4554         of unwind tables and omit-frame-pointer.
4555         * config/i386/i386.c (override_options): Similarly.  Enable
4556         accumulate-outgoing-args if not explicitly disabled.
4557
4558 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4559
4560         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4561         Handle big endian vs. small endian.
4562         (vec_initv2sf): Handle big endian vs. small endian.
4563         (*vec_extractv2sf_1): Ditto.
4564
4565 2005-10-05  Dale Johannesen  <dalej@apple.com>
4566
4567         * convert.c (convert_to_real):  Don't convert
4568         (float)floor(double d) to floorf((float)d).
4569
4570 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4571
4572         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4573
4574 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4575
4576         PR tree-optimization/18587
4577         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4578         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4579         build_vuses): Change to VEC type.
4580         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4581         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4582         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4583         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4584         (get_name_decl): New.  Return DECL_UID of base variable.
4585         (operand_build_cmp): New.  qsort comparison routine.
4586         (operand_build_sort_virtual): New.  Sort virtual build vector.
4587         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4588         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4589         (FINALIZE_BASE): Use get_name_decl.
4590         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4591         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4592         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4593         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4594         direct VEC_* manipulations.
4595         (build_ssa_operands): Call operand_build_sort_virtual.
4596         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4597         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4598         with direct VEC_* manipulations.
4599         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4600         with direct VEC manipulations.
4601
4602 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4603
4604         PR tree-optimization/21419
4605         PR tree-optimization/24146
4606         PR tree-optimization/24151
4607
4608         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4609         (build_asm_expr): Call it if outputs are read-only.
4610         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4611
4612 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4613             Paolo Bonzini  <bonzini@gnu.org>
4614
4615         PR target/23809
4616
4617         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4618         enable the instructions and not just the built-ins.
4619         * doc/invoke.texi (x86 Options): Likewise.
4620
4621 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4622
4623         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4624
4625         * doc/invoke.texi (Option Summary): Correct spelling
4626         of -mmacosx-version-min.
4627
4628 2005-10-04  Devang Patel  <dpatel@apple.com>
4629
4630         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4631         real types.
4632
4633 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4634
4635         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4636         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4637
4638 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4639
4640         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4641         ("TE","tg"): New mode attributes.
4642         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4643         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4644         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4645         dword_mode and one for GPRmode.
4646
4647 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4648
4649         PR preprocessor/13726
4650         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4651         any comments passed in.
4652
4653 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4654
4655         * tree.c (annotate_with_file_line): Fix typo.
4656
4657 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4658
4659         PR ada/19382
4660         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4661         type used to access data in the inlined length == 1 case, use
4662         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4663         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4664
4665 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4666
4667         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4668         TARGET_SSE3 and only for TARGET_80387.
4669         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4670         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4671         Do not depend on TARGET_80387.
4672
4673 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4674
4675         * tree.c (last_annotated_node): Change type to location_t*.
4676         (annotate_with_file_line): Reflect the change of
4677         last_annotated_node type.
4678
4679 2005-10-04  Richard Guenther  <rguenther@suse.de>
4680
4681         PR c/23576
4682         * c-decl.c (grokdeclarator): Don't write to fields
4683         of error_mark_node.
4684
4685 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4686
4687         PR middle-end/23125
4688         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4689         register variables.
4690         * varasm.c (make_decl_rtl): If a register variable does not
4691         have a set user assmbler name, error out.
4692         Decode the asmspec is now name+1 bypassing '*'.
4693
4694 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4695
4696         PR tree-optimization/23049
4697         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4698         of a COND_EXPR is folded before calling fold on the whole rhs of a
4699         conditional assignment.
4700         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4701         document that a COND_EXPR may appear there.
4702
4703 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4704
4705         PR 23445
4706         * tree-vrp.c (extract_range_from_assert): If the new numeric
4707         range created out of the assertion contradicts the existing
4708         numeric range of the ASSERT_EXPR variable, make the new range
4709         varying.
4710
4711 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4712
4713         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4714         from T_REGS to FP register class.
4715
4716 2005-10-03  Richard Henderson  <rth@redhat.com>
4717
4718         PR 24135
4719         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4720         before creating a new one.
4721
4722 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4723
4724         * config/rs6000/t-aix43 (LDFLAGS): New.
4725         * config/rs6000/t-aix52 (LDFLAGS): New.
4726
4727 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4728
4729         * gimplify.c (find_single_pointer_decl_1): New static function.
4730         (find_single_pointer_decl): New static function.
4731         (internal_get_tmp_var): For a formal variable, set restrict base
4732         information if appropriate.
4733         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4734         return it.
4735         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4736         (DECL_GET_RESTRICT_BASE): Define.
4737         (SET_DECL_RESTRICT_BASE): Define.
4738         (decl_restrict_base_lookup): Declare.
4739         (decl_restrict_base_insert): Declare.
4740         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4741         * tree.c (restrict_base_for_decl): New static variable.
4742         (init_ttree): Initialize restrict_base_for_decl.
4743         (copy_node_stat): Copy restrict base information.
4744         (decl_restrict_base_lookup): New function.
4745         (decl_restrict_base_insert): New function.
4746         (print_restrict_base_statistics): New static function.
4747         (dump_tree_statistics): Call print_restrict_base_statistics.
4748
4749 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4750
4751         PR 24142
4752         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4753         case of anti-ranges.
4754
4755 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4756
4757         PR c/18851
4758         * c-typeck.c (tagged_tu_seen): Rename to ...
4759         (tagged_tu_seen_cache): this and add val field.
4760         (comptypes): Move functional to comptypes_internal
4761         and free tagged_tu_seen.
4762         (comptypes_internal): New function and call comptypes_internal
4763         instead of comptypes. Speed up by sibcalling
4764         tagged_types_tu_compatible_p.
4765         (alloc_tagged_tu_seen): New function
4766         (free_all_tagged_tu_seen_up_to): New function.
4767         (tagged_types_tu_compatible_p): Return the val of the seen two
4768         types.
4769         Add that the two types are the same to tagged_tu_seen_base
4770         if they are and call comptypes_internal instead of comptypes.
4771         <case UNION_TYPE>: Speed up common type where the fields are
4772         in the same order.
4773         (function_types_compatible_p): Call comptypes_internal instead of
4774         comptypes.
4775         (type_lists_compatible_p): Likewise.
4776         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4777
4778 2005-10-02  Matthias Klose  <doko@debian.org>
4779
4780         * doc/invoke.texi: Fix typo and speling error.
4781
4782 2005-10-01  Richard Henderson  <rth@redhat.com>
4783
4784         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4785
4786 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4787
4788         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4789         using --start-group and --end-group.
4790
4791 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4792
4793         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4794         FIXME note regarding quirky semantics.
4795
4796 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4797
4798         PR 24141
4799         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4800         non-null range as a last resort.
4801
4802 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4803             Diego Novillo  <dnovillo@redhat.com>
4804
4805         PR 23604
4806         * tree-vrp.c (extract_range_from_assert): For !=
4807         assertions, only build an anti-range if LIMIT is a
4808         single-valued range.
4809
4810 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4811
4812         * arm.md (movqi): On thumb when optimizing, handle loading from
4813         memory by describing this as taking a subreg of a zero-extended load
4814         into an SImode register.
4815         (movhi): Likewise.
4816
4817 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4818
4819         * reload1.c (merge_assigned_reloads): Do not change any
4820         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4821
4822 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4823
4824         * Makefile.in (LIPO_FOR_TARGET): Define.
4825         (STRIP_FOR_TARGET): Define.
4826
4827         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4828         before creating new ones.  Do symlinks before creating the actual
4829         targets.
4830
4831         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4832         to work out which multilibs are actually being built.
4833
4834 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4835
4836         * tree-vect-transform.c, config/ms1/ms1.md,
4837         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4838         Follow spelling conventions.
4839         * doc/invoke.texi, doc/md.texi: Fix typos.
4840
4841 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4842
4843         PR tree-optimization/21430
4844         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4845         use operands, and set stmt pointer if need be.
4846         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4847         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4848         present.
4849
4850 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4851
4852         PR middle-end/24053
4853         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4854
4855 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4856
4857         * optabs.c (expand_binop): Initialize first_pass_p.
4858
4859 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4860
4861         PR middle-end/24109
4862         * c-decl.c (c_write_global_declarations_1): If any
4863         wrapup_global_declaration_2 call returned true, restart the loop.
4864
4865 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4866
4867         Fix PR tree-optimization/24117
4868         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4869         before considering whether to use anyoffset.
4870
4871 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4872
4873         Revert this patch:
4874
4875         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4876
4877         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4878         to order operands.
4879         (swap_commutative_operands_with_target): New.
4880
4881 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4882
4883         PR c/21419
4884         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4885         read-only.
4886
4887 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4888
4889         PR tree-optimization/23911
4890         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4891         and IMAGPART_EXPR too.
4892
4893 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4894
4895         PR 17886
4896         * expmed.c (expand_shift): Move logic to reverse rotation
4897         direction when  rotating by constants ...
4898         * optabs.c (expand_binop): ... here.
4899         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4900         (ix86_rotrdi3): New pattern.
4901         (rotldi3): Handle 32-bit mode.
4902         (ix86_rotldi3): New pattern.
4903
4904 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4905
4906         PR target/24102
4907         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4908         check for numbers that need no bit twiddle.
4909
4910 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4911
4912         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4913         multilib to be built.
4914
4915         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4916         (stage1-start): Delete old libgcc and libunwind before moving
4917         anything into the stage directory.
4918         (stage2-start): Likewise.
4919         (stage3-start): Likewise.
4920         (stage4-start): Likewise.
4921         (stageprofile-start): Likewise.
4922         (stagefeedback-start): Likewise.
4923         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4924         header in tm_file and CPU-specific t-darwin in tmake_file.
4925         (i[34567]86-*-darwin*): Don't change tm_file.
4926         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4927         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4928         shared library stub for target OS version.
4929         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4930         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4931         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4932         (libgcc_s.%.dylib): New.
4933         (LIBGCC): Define.
4934         (install-darwin-libgcc-stubs): New.
4935         (INSTALL_LIBGCC): New append.
4936         * config/i386/darwin-libgcc.10.4.ver: New.
4937         * config/i386/darwin-libgcc.10.5.ver: New.
4938         * config/i386/t-darwin: New.
4939         * config/rs6000/darwin-libgcc.10.4.ver: New.
4940         * config/rs6000/darwin-libgcc.10.5.ver: New.
4941         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4942         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4943
4944 2005-09-28  Paul Brook  <paul@codesourcery.com>
4945
4946         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4947         denormals.
4948
4949 2005-09-28  Richard Guenther  <rguenther@suse.de>
4950
4951         PR tree-optimization/23853
4952         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4953         host_integerp to verify misalignment value.
4954
4955 2005-09-28  Richard Henderson  <rth@redhat.com>
4956
4957         * builtins.c (get_builtin_sync_mode): New.
4958         (expand_builtin_sync_operation): Pass in mode argument.
4959         (expand_builtin_compare_and_swap): Likewise.
4960         (expand_builtin_lock_test_and_set): Likewise.
4961         (expand_builtin_lock_release): Likewise.
4962         (expand_builtin): Update to match.
4963
4964 2005-09-28  Nick Clifton  <nickc@redhat.com>
4965
4966         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4967         formatting.  Add check to PLUS case to ensure that the offset is
4968         within an acceptable range.
4969
4970         * config/v850/v850.md (casesi): Disable the generation of the
4971         switch pattern as it is not being handled properly at the moment.
4972
4973         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4974         for when the high words are identical.
4975
4976 2005-09-27  Richard Henderson  <rth@redhat.com>
4977
4978         * pretty-print.c (pp_base_format): Fix typo for %>.
4979
4980 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4981             Devang Patel  <dpatel@apple.com>
4982
4983         PR tree-optimization/23625
4984         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4985         LABEL_EXPR, assertion check.
4986
4987 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4988
4989         * optabs.c (no_conflict_move_test): Check if a result of a
4990         to-be-moved insn would be clobbered by an originally
4991         preceding insn.
4992
4993 2005-09-27  Jeff Law  <law@redhat.com>
4994
4995         * passes.c (init_optimization_passes): Replace copy propagation
4996         passes immediately after DOM with phi-only copy propagation
4997         pases.  Add phi-only copy propagation pass after first DOM pass.
4998         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4999         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5000         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5001         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5002         to init_copy_prop.  Callers updated.
5003         (do_phi_only_copy_prop): New function.
5004         (pass_phi_only_copy_prop): New pass descriptor.
5005
5006 2005-09-27  Nick Clifton  <nickc@redhat.com>
5007
5008         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5009
5010 2005-09-26  Jason Merrill  <jason@redhat.com>
5011
5012         PR c++/13764
5013         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5014
5015         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5016
5017 2005-09-26  James E Wilson  <wilson@specifix.com>
5018
5019         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5020         copyright.  Add gcc copyright plus libgcc exception.
5021         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5022         copyright.
5023         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5024
5025 2005-09-26  Jeff Law  <law@redhat.com>
5026
5027         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5028         about when to iterate.
5029
5030 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5031
5032         PR target/23847
5033         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5034         for __complex__ double in -mcpu=G5 mode.
5035
5036 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5037
5038         PR tree-optimization/23942
5039         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5040         * tree-scalar-evolution.c: Include params.h.
5041         (t_bool): New enum.
5042         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5043         follow_ssa_edge_in_condition_phi_branch,
5044         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5045         Change return type to t_bool.  Use a parameter to limit the size of
5046         trees that are walked before stopping
5047         (analyze_evolution_in_loop): Initialize the limit to 0.
5048         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5049         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5050
5051 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5052
5053         PR middle-end/23831
5054         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5055         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5056
5057 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5058
5059         * combine.c (make_extraction): Check for valid use of subreg.
5060
5061 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5062
5063         PR target/24055
5064         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5065         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5066         ("fist<mode>2_with_temp"): Use only register operands.
5067
5068 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5069
5070         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5071         CALL_INSN_FUNCTION_USAGE.
5072
5073 2005-09-26  Richard Guenther  <rguenther@suse.de>
5074
5075         PR middle-end/15855
5076         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5077         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5078         (ldst_entry): Use the hashtable instead of list-walking.
5079         (find_rtx_in_ldst): Likewise.
5080         (free_ldst_entry): Free the hashtable.
5081         (compute_ld_motion_mems): Create the hashtable.
5082         (trim_ld_motion_mems): Remove entry from hashtable if
5083         removing it from list.
5084         (compute_store_table): Likewise^2.
5085         (store_motion): Free hashtable in case we did not see
5086         any stores.
5087
5088 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5089
5090         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5091         and arg1 if we are passing them to fold_build2.
5092
5093 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5094
5095         PR 23828
5096         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5097         a nested function.
5098
5099 2005-09-25  Richard Henderson  <rth@redhat.com>
5100
5101         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5102         SYMBOL_REF_TLS_MODEL to be correct.
5103
5104 2005-09-24  Richard Henderson  <rth@redhat.com>
5105
5106         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5107         end of function.  Reindent.
5108
5109 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5110
5111         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5112         NEGATE_EXPR/BIT_NOT_EXPR case.
5113
5114 2005-09-24  Richard Henderson  <rth@redhat.com>
5115
5116         * c-common.c (handle_mode_attribute): When not modifying in place,
5117         create subtypes for enumerations.
5118         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5119         * gimplify.c (create_tmp_from_val): Likewise.
5120
5121 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5122
5123         * config/i386/i386.md (*tls_global_dynamic_64,
5124         *tls_local_dynamic_base_64): Add missing mode to call.
5125         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5126
5127 2005-09-24  Jan Hubicka  <jh@suse.cz>
5128
5129         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5130         (cgraph_clone_node): Likewise.
5131         * cgraph.h (cgraph_clone_edge): Update prototype.
5132         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5133         duplicated prototypes; add updating argument.
5134         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5135         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5136         updating profile.
5137         (cgraph_mark_inline_edge): Likewise.
5138         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5139         (cgraph_flatten_node): Likewise.
5140         (cgraph_decide_recursive_inlining): Likewise.
5141         (cgraph_decide_inlining_of_small_function): Likewise.
5142         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5143
5144 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5145             Pete Steinmetz <steinmtz@us.ibm.com>
5146
5147         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5148         (rldic.): Set type to "compare".
5149         (rldicr.): Same.
5150         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5151         mfjmpr for MFCTR/MFLR.
5152         (movdf_hardfloat64): Same.
5153         (movdf_softfloat64): Same.  Correct order of store and move types.
5154         (movti_string): Set type to store_ux/load_ux.
5155         (load_multiple): Set type to load_ux.
5156         (store_multiple): Set type to store_ux.
5157         (movmemsi): Set type to store_ux.
5158         (output_cbranch direct_return): Set type to jmpreg.
5159         (stmw): Set type to store_ux.
5160         (lmw): Set type to load_ux.
5161         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5162         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5163         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5164         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5165         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5166         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5167         (rios1-fpstore): Increase latency to 3.
5168         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5169         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5170
5171 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5172             Andrew Pinski  <pinskia@physics.uc.edu>
5173
5174         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5175         operand2 constraint to "b".
5176         (sync_<fetchop_name>di_internal): Same.
5177         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5178         to "b".
5179         (sync_old_<fetchop_name>di_internal): Same.
5180         (sync_new_<fetchop_name>si_internal): Same.
5181         (sync_new_<fetchop_name>di_internal): Same.
5182
5183 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5184
5185         PR middle-end/23991
5186         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5187         case, define as macros.
5188
5189         PR rtl-optimization/23837
5190         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5191         clobber / clobber match between dest and p->first.
5192
5193         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5194         (no_conflict_move_test): Update comments.
5195
5196 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5197
5198         * doc/install.texi: Update URL for Jacks.
5199         * doc/sourcebuild.texi: Likewise.
5200
5201 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5202
5203         PR target/24007
5204         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5205         registers when choosing register preferences.
5206         (movdf_hardfloat64): Same.
5207
5208 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5209
5210         * expmed.c (expand_shift): Don't use the target of the rotate as
5211         target for the first expanded shift insn.
5212         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5213
5214 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5215
5216         PR tree-optimization/22438
5217         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5218         preserved iv rhs rewriting specially.
5219
5220 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5221
5222         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5223         estimate_only  is true.
5224         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5225         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5226         tree-ssa-structalias.c
5227         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5228         ref_contains_indirect_ref.
5229         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5230
5231 2005-09-21  DJ Delorie  <dj@redhat.com>
5232
5233         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5234         MASK_PTR_A0D0.
5235         (mn10300_return_in_memory): Support variable size types also.
5236         (mn10300_pass_by_reference): Likewise.
5237         (mn10300_function_value): New.
5238         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5239         (FUNCTION_OUTGOING_VALUE): Likewise.
5240         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5241         * doc/invoke.texi: Document it.
5242
5243 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5244
5245         PR target/22585
5246         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5247         force integer op1 into register for XFmode compares.
5248
5249 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5250
5251         PR middle-end/23971
5252         * expmed.c (alg_code): Add alg_impossible.
5253         (alg_hash_entry): Add cost.
5254         (synth_mult): Record alg_impossible in the hash table if
5255         multiplication by a given integer is impossble within the
5256         limit.  Speed up using alg_impossible.
5257
5258 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5259
5260         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5261         argument.  Allow and set any offset if needs_anyoffset is passed
5262         in.
5263         (get_constraint_for): Add argument here too.
5264         Pass it down.
5265         (do_structure_copy): Pass NULL to get_constraint_for.
5266         (handle_ptr_arith): Ditto.
5267         (find_func_aliases): Ditto.
5268
5269 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5270
5271         PR rtl-optimization/23898
5272         * output.h (get_attr_min_length): Declare.
5273         * final.c (get_attr_length_1): New function, broken out of:
5274         (get_attr_length).
5275         (get_attr_min_length): New function.
5276         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5277         (duplicate_computed_gotos): Likewise.
5278         * genattr.c (insn_min_length): Generate declaration.
5279         * genattrtab.c (min_fn, min_attr_value): New functions.
5280         (make_length_attrs): Generate insn_min_length.
5281
5282 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5283
5284         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5285
5286 2005-09-20  Richard Henderson  <rth@redhat.com>
5287
5288         PR tree-optimization/24059
5289         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5290         EXPAND_STACK_PARM.
5291
5292 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5293
5294         * c.opt (fextended-identifiers): New.
5295         * c-opts.c (c_common_handle_option): Handle
5296         -fextended-identifiers.
5297         * doc/cpp.texi: Update documentation of extended identifiers.
5298         * doc/cppopts.texi (-fextended-identifiers): Document.
5299
5300 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5301
5302         PR tree-optimization/23929
5303         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5304         if expr is NULL.
5305
5306         PR tree-optimization/23818
5307         * tree-stdarg.c (execute_optimize_stdarg): Call
5308         calculate_dominance_info.
5309
5310 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5311
5312         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5313         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5314         (compute_overlap_steps_for_affine_1_2): Use
5315         get_number_of_iters_for_loop.
5316         (analyze_subscript_affine_affine): Check whether difference is
5317         zero first.
5318         Use get_number_of_iters_for_loop.
5319         Check whether overlap occurs outside of bounds.
5320         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5321
5322 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5323
5324         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5325         base register if possible.
5326
5327 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5328
5329         PR tree-optimization/18463
5330         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5331         converting it directly is not possible.
5332         (chrec_convert_aggressive): New function.
5333         * tree-chrec.h (chrec_convert_aggressive): Declare.
5334         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5335         Fold chrec conversions aggressively if asked to.
5336         (instantiate_parameters): Modified because of changes in
5337         instantiate_parameters_1.
5338
5339 2005-09-19  Richard Henderson  <rth@redhat.com>
5340
5341         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5342         (reduc_splus_v2df): New.
5343
5344 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5345
5346         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5347         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5348
5349 2005-09-19  Richard Henderson  <rth@redhat.com>
5350
5351         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5352         vcondu<SSEMODE12>.
5353
5354 2005-09-19  Richard Henderson  <rth@redhat.com>
5355
5356         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5357         (ia64_expand_dot_prod_v8qi): New.
5358         * config/ia64/ia64-protos.h: Update.
5359         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5360         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5361         sdot_prodv8qi, sdot_prodv4hi): New.
5362         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5363
5364 2005-09-19  Richard Henderson  <rth@redhat.com>
5365
5366         PR 23941
5367         * real.c (exact_real_truncate): Return false if the format cannot
5368         represent the number as a normal.
5369
5370         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5371         for a memory source.
5372
5373 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5374
5375         * tree-ssa-operands.c (swap_tree_operands): Export.
5376         * tree.h (swap_tree_operands): Declare.
5377         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5378         Call swap_tree_operands.
5379
5380 2005-09-19  Richard Henderson  <rth@redhat.com>
5381
5382         * tree-flow.h (merge_alias_info): Declare.
5383         * tree-ssa-copy.c (merge_alias_info): Export.
5384         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5385         (vect_create_data_ref_ptr): Use create_iv directly.
5386         (vectorizable_load): Use correct types for integer constants.
5387         (vect_generate_tmps_on_preheader): Likewise.
5388         (vect_gen_niters_for_prolog_loop): Likewise.
5389
5390 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5391
5392         PR rtl-optimization/23943
5393         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5394
5395 2005-09-18  Jan Hubicka  <jh@suse.cz>
5396
5397         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5398
5399 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5400
5401         * varasm.c (output_constant): Do not abort on conversions to union
5402         types between different sizes.
5403
5404 2005-09-18  Richard Guenther  <rguenther@suse.de>
5405
5406         PR middle-end/23944
5407         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5408         fallback.
5409
5410 2005-09-18  Paul Brook  <paul@codesourcery.com>
5411
5412         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5413
5414 2005-09-17  Richard Henderson  <rth@redhat.com>
5415
5416         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5417         * tree-ssa-loop.c (pass_vect_dce): Remove.
5418         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5419         of pass_vectorize.
5420
5421 2005-09-17  Richard Henderson  <rth@redhat.com>
5422
5423         * tree-pass.h (pass_vect_dce): Declare.
5424         * passes.c (init_optimization_passes): Add it.
5425         * tree-flow.h (tree_ssa_dce): Declare.
5426         * tree-ssa-dce.c (tree_ssa_dce): Export.
5427         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5428         (gate_tree_vectorize): ... here.
5429         (pass_vect_dce): New.
5430
5431 2005-09-17  Jan Hubicka  <jh@suse.cz>
5432
5433         * except.c (struct eh_status): Turn region_array into vec.
5434         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5435         convert_from_eh_region_ranges, find_exception_handler_labels,
5436         current_function_has_exception_handlers, assign_filter_values,
5437         build_post_landing_pads, dw2_build_landing_pads,
5438         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5439         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5440         foreach_reachable_handler, can_throw_internal_1,
5441         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5442         region_array.
5443         (duplicate_eh_region_1): Update region_array.
5444         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5445
5446 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5447
5448         PR middle-end/22067
5449         * expmed.c (expand_mult): Substitute simple register for op0 when
5450         computing max_cost.
5451
5452 2005-09-17  Richard Henderson  <rth@redhat.com>
5453
5454         * expr.c (emit_move_via_integer): Add force argument, pass it on
5455         to emit_move_change_mode.  Update callers.
5456         (emit_move_complex): Pass true to new force argument.
5457         * function.c (expand_function_end): Move expand_eh_return call
5458         earlier.  Merge sub-word complex values into a pseudo before
5459         copying to the return hard register.
5460
5461 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5462
5463         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5464         between different sizes.
5465
5466 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5467
5468         PR 23903
5469
5470         * passes.c (init_optimization_passes): Register dump files for
5471         IPA passes first.
5472
5473 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5474
5475         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5476         * config/s390/s390.c (s390_overlap_p): New function.
5477         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5478         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5479         condition.
5480
5481 2005-09-16  Richard Guenther  <rguenther@suse.de>
5482
5483         * ipa-pure-const.c (static_execute): Free auxiliar information.
5484         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5485         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5486
5487 2005-09-15  DJ Delorie  <dj@redhat.com>
5488
5489         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5490
5491 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5492
5493         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5494         to order operands.
5495         (swap_commutative_operands_with_target): New.
5496
5497 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5498
5499         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5500         parameter.
5501         Update callers.
5502         (estimate_iters_using_array): New function.
5503         * tree-data-ref.h (estimate_iters_using_array): Prototype
5504         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5505         Use estimate_iters_using_array instead of analyze_array.
5506
5507 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5508
5509         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5510         as addressable.
5511
5512 2005-09-15  Michael Matz  <matz@suse.de>
5513
5514         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5515
5516 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5517
5518         PR tree-optimization/23835
5519         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5520         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5521
5522 2005-09-14  Richard Henderson  <rth@redhat.com>
5523
5524         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5525         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5526
5527 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5528
5529         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5530         in the ARRAY_TYPE case.
5531
5532 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5533
5534         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5535
5536 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5537
5538         PR middle-end/22480
5539         * tree-vect-transform.c (vectorizable_operation): Return false for
5540         scalar shift operations and for vector shift operations with
5541         non-invariant shift arguments.  Use scalar tree operand op1 as
5542         a shift operand when vector shift insn pattern uses scalar shift
5543         operand.
5544         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5545
5546 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5547
5548         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5549         value if it has side-effects.
5550
5551 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5552
5553         PR target/22068
5554         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5555
5556 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5557
5558         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5559         passed as NAME as if it were label at start of function code.
5560
5561 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5562
5563         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5564         the constraints.
5565
5566 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5567
5568         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5569         as early clobber.  Rewrite so the PIC register is not implicitly used.
5570
5571 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5572
5573         * tree.c (annotate_with_file_line): Compare line numbers before
5574         file names.
5575
5576 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5577
5578         PR target/23816
5579         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5580         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5581
5582 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5583
5584         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5585         than a HOST_WIDEST_INT to gen_doloop_begin.
5586
5587 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5588
5589         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5590
5591 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5592
5593         PR tree-optimize/23817
5594         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5595
5596 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5597
5598         PR target/23774
5599         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5600         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5601         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5602         (restore_stack_nonlocal): Likewise.
5603         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5604
5605 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5606
5607         PR g++/7874
5608         * c.opt (ffriend-injection): New C++ option.
5609         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5610         (C++ Dialect Options): Document -ffriend-injection.
5611
5612 2005-09-12  Josh Conner  <jconner@apple.com>
5613
5614         PR middle-end/23237
5615         * ipa-reference.c (static_execute): Don't mark variables in
5616         named sections TREE_READONLY.
5617
5618 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5619
5620         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5621         stack_tie.
5622
5623 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5624
5625         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5626         V_MUST_DEF instead of just the first_use_p.
5627         Don't mark the virtual variables for renaming on the statement which
5628         is being removed.
5629         (pass_dse): Remove TODO_update_ssa.
5630
5631 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5632
5633         PR middle-end/23290
5634         * stor-layout.c (compute_record_mode): For records with a single
5635         field, actually check the field's mode size against the type size.
5636
5637         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5638         registers for TARGET_SHMEDIA.
5639         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5640         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5641         of GENERAL_REGS and FP_REGS.
5642
5643 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5644
5645         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5646
5647 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5648
5649         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5650         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5651         are omitted.  Exclude stack_tie insn too.
5652
5653 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5654
5655         PR rtl-optimization/23098
5656         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5657         0.0f is easy.
5658         * config/rs6000/rs6000.md (movdf splitter): Use
5659         const_double_operand predicate for TARGET_POWERPC64.
5660         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5661         SYMBOL_REF method to ABI_V4.
5662
5663         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5664         replace_equiv_address.
5665         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5666         rs6000_sr_alias_set and MEM_NOTRAP.
5667         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5668
5669 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5670
5671         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5672         handle CALL_EXPR again.
5673
5674 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5675
5676         * arm/predicates.md (alignable_memory_operand): Delete.
5677
5678 2005-09-10  Richard Henderson  <rth@redhat.com>
5679
5680         PR debug/23806
5681         * dbxout.c (dbxout_expand_expr): New.
5682         (dbxout_symbol): Use it.
5683
5684 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5685
5686         * arm.c (arm_gen_rotated_half_load): Delete.
5687         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5688         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5689         (thumb_set_return_address): Likewise.
5690         (thumb_load_double_from_address): Use adjust_address.
5691         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5692         (extendhsisi2_mem, movhi_bytes): Use change_address.
5693         (movhi): Use widen_memory_access.
5694         (reload_out_df): Use replace_equiv_address.
5695         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5696
5697 2005-09-09  Richard Henderson  <rth@redhat.com>
5698
5699         PR debug/20998
5700         * dbxout.c: Include expr.h.
5701         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5702         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5703         * Makefile.in (dbxout.o): Add EXPR_H.
5704
5705 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5706
5707         PR tree-optimization/23509
5708         * tree-cfg.c (replace_uses_by): Use replace_exp.
5709         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5710         pointers have name_mem_tag or type_mem_tag set.
5711
5712 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5713
5714         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5715         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5716         of wrongly accessing operands.
5717
5718 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5719
5720         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5721         * tree-chrec.c: Include tree-scalar-evolution.h.
5722         (chrec_convert): Instantiate the base and step before calling
5723         scev_probably_wraps_p that would fail on parametric evolutions.
5724         Collect all the fails into a single section failed_to_convert,
5725         print a diagnostic, and return chrec_dont_know instead of calling
5726         fold_convert.
5727         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5728         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5729         phi nodes.
5730         (scev_const_prop): Don't replace the definition of a loop closed ssa
5731         phi node by itself, or by another loop closed ssa phi node.
5732         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5733         that base and step are defined.
5734
5735 2005-09-09  Richard Guenther  <rguenther@suse.de>
5736
5737         PR c++/23624
5738         * fold-const.c (fold_ternary): Check truth_value_p before
5739         calling invert_truthvalue.
5740
5741 2005-09-09  Nick Clifton  <nickc@redhat.com>
5742
5743         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5744         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5745         dimension of these arrays.
5746         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5747         these arrays.
5748         * longlong.h: Only provide a prototype for the __clz_tab[] array
5749         if this header has not been included from libgcc2.h.
5750         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5751         defining own types.
5752         Provide prototypes for exported functions.
5753         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5754         libgcc2.c.
5755
5756 2005-09-08  Josh Conner  <jconner@apple.com>
5757
5758         PR c++/21135
5759         PR c++/23180
5760         * expr.c (expand_expr_addr_expr_1): Don't invoke
5761         expand_simple_binop for EXPAND_INITIALIZER.
5762
5763 2005-09-08  Richard Henderson  <rth@redhat.com>
5764
5765         PR debug/23190
5766         * toplev.c (wrapup_global_declaration_1): Split out ...
5767         (wrapup_global_declaration_2): ... from ...
5768         (wrapup_global_declarations): ... here.  Return bool.
5769         (check_global_declaration_1): Split out ...
5770         (check_global_declarations): from here.
5771         (emit_debug_global_declarations): New.
5772         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5773         check_global_declaration_1, emit_debug_global_declarations): Declare.
5774         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5775         of decls.  Call wrapup_global_declaration_1,
5776         wrapup_global_declaration_2, check_global_declaration_1 directly.
5777         (c_write_global_declarations_2): New.
5778         (ext_block): New.
5779         (c_write_global_declarations): Call c_write_global_declarations_2.
5780         * langhooks.c (write_global_declarations): Call
5781         emit_debug_global_declarations.
5782
5783         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5784         remove decls that have DECL_RTL_SET_P.
5785         * passes.c (rest_of_decl_compilation): Invoke
5786         cgraph_varpool_finalize_decl for all but functions.
5787
5788 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5789
5790         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5791         the result of a conversion if the new min and max cannot be compared.
5792
5793 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5794
5795         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5796         (override_options): Setting s390_sr_alias_set removed.
5797         (save_fpr, save_gprs): Set alias set to vararg or frame.
5798         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5799         s390_sr_alias_set with get_frame_alias_set ().
5800         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5801         get_varargs_alias_set ().
5802
5803 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5804
5805         PR objc/20574
5806         PR objc/19324
5807         * c-parser.c (c_parser_objc_method_definition): If the next
5808         token is not "{", error out and don't start the function.
5809
5810 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5811
5812         * tree-vrp.c (extract_range_from_expr): Move the check for non
5813         nullness after the check for gimple invariant.
5814
5815 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5816
5817         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5818
5819 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5820
5821         PR target/23747
5822         * config/m32r.md (movmemsi_internal): Canonicalize order of
5823         operands in PLUS component of template.
5824
5825 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5826
5827         * reload1.c (fixup_eh_region_note): Remove assertion.
5828         (fixup_abnormal_edges): Reverted removal of call to
5829         find_many_sub_basic_blocks made on 2005-08-31.
5830
5831 2005-09-07  Richard Henderson  <rth@redhat.com>
5832
5833         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5834         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5835         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5836         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5837         rearrange for better packing.
5838         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5839         (lookup_cfa_1): Remove inline marker.
5840         (cfa_equal_p): Split out of ...
5841         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5842         (build_cfa_loc): Handle !cfa->indirect.
5843         (frame_pointer_cfa_offset): New.
5844         (dbx_reg_number): Assert register elimination performed; do
5845         leaf register remapping.
5846         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5847         (eliminate_reg_to_offset): New.
5848         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5849         for verifiably local stack frame addresses; re-base to CFA.
5850         (mem_loc_descriptor): Remove can_use_fbreg argument.
5851         (concat_loc_descriptor, loc_descriptor): Likewise.
5852         (containing_function_has_frame_base): Remove.
5853         (rtl_for_decl_location): Don't do register elimination or
5854         leaf register remapping here.
5855         (secname_for_decl): Split out from ..
5856         (add_location_or_const_value_attribute): ... here.
5857         (convert_cfa_to_loc_list): New.
5858         (compute_frame_pointer_to_cfa_displacement): New.
5859         (gen_subprogram_die): Use them.
5860         * tree.h (frame_base_decl): Remove.
5861         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5862         (prologue_stack_adjust): Remove.
5863         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5864         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5865         (set_frame_base_location): Remove.
5866         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5867         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5868         (vt_add_function_parameters): Don't eliminate_regs.
5869         (vt_initialize): Don't create frame_base_decl.
5870
5871 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5872
5873         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5874         version of GNU binutils for 4.x and later.
5875
5876 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5877
5878         * ggc-page.c (ggc_push_context): Remove.
5879         (ggc_pop_context): Likewise.
5880         * ggc.h (ggc_push_context): Remove.
5881         (ggc_pop_context): Likewise.
5882
5883 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5884
5885         PR target/8973
5886         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5887         returning from an interrupt handler.
5888
5889 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5890
5891         PR target/8972
5892         * config/arc/arc.c (output_shift): Add check for loop count when
5893         optimizing.
5894
5895 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5896
5897         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5898         form manually.
5899         (abs_replacement): Likewise.
5900         (pass_phiopt): Remove TODO_update_ssa.
5901
5902 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5903
5904         PR c/23075
5905         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5906         if "return with no value, in function returning non-void" warning
5907         has been issued.
5908         * tree-cfg.c (execute_warn_function_return): Don't look at
5909         RETURN_EXPRs with TREE_NO_WARNING set.
5910
5911         PR target/22362
5912         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5913         for internal functions doesn't use registers used by global registers
5914         variables.  Use fewer register parameters if there are global register
5915         variables.
5916
5917 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5918             Eric Botcazou  <ebotcazou@adacore.com>
5919
5920         PR middle-end/14997
5921         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5922         when we would be extracting outside its bit span (bitpos+bitsize
5923         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5924         Ada unchecked conversions.
5925
5926 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5927
5928         * tree-ssa-pre.c (try_look_through_load): New function.
5929         (compute_avail): Use it to try to look through loads for some
5930         more useful expressions.
5931
5932 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5933
5934         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5935         condition for detecting cases like (a&a) and (a^a).
5936
5937 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5938
5939         * common.opt: Add option ftree-vect-loop-version.
5940         * params.def: Add --param vect-max-version-checks.
5941         * doc/invoke.texi: Document ftree-vect-loop-version and
5942         --param vect-max-version-checks.
5943         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5944         may_misalign_stmts and defines for accessors.
5945         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5946         LOOP_VINFO_MAY_MISALIGN_STMTS.
5947         (destroy_loop_vec_info): VEC_free for
5948         LOOP_VINFO_MAY_MISALIGN_STMTS.
5949         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5950         Update documentation.
5951         (vect_update_misalignment_for_peel): New.
5952         (vect_enhance_data_refs_alignment): Update to choose loop
5953         peeling or loop versioning if appropriate for the (potentially)
5954         unaligned data references in the loop.
5955         (vect_analyze_data_refs_alignment): Remove call to
5956         vect_enhance_data_refs_alignment so the checks can be done
5957         earlier.
5958         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5959         and move up call to vect_analyze_data_refs_alignment.
5960         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5961         (vect_transform_loop): Add call to loop_version.
5962
5963 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5964
5965         PR rtl-optimization/23098
5966         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5967         * simplify-rtx.c (constant_pool_reference_p): New function.
5968         * rtl.h (constant_pool_reference_p): New prototype.
5969         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5970         constant_pool_reference_p in condition and
5971         avoid_constant_pool_reference in preparation statements.
5972
5973 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5974
5975         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5976         STRICT_LOW_PART SETs.
5977
5978 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5979
5980         PR middle-end/21460
5981         * except.c (sjlj_emit_function_enter): Find the function begin
5982         note even when it's not in first basic block.
5983
5984 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5985
5986         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5987         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5988         * aclocal.m4: Regenerate.
5989
5990 2005-09-05  DJ Delorie  <dj@redhat.com>
5991
5992         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5993         of macro.
5994
5995 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5996
5997         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5998         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5999         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6000         Follow spelling conventions.
6001         * doc/invoke.texi: Follow spelling conventions.
6002
6003 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6004
6005         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6006         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6007         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6008
6009 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6010
6011         PR target/23683
6012         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6013         (output_stack_adjust): Use gen_tmp_stack_mem.
6014         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6015         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6016         (sh_get_pr_initial_val): Likewise.
6017         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6018         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6019         * sh.md (divsi_inv_m0): Use gen_const_mem.
6020         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6021         (movdf_i4+1): Use gen_tmp_stack_mem.
6022         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6023         (fpu_switch+2): Likewise.
6024         (movv4sf_i, movv16sf_i): Use adjust_address.
6025         (symGOT_load): Set MEM_NOTRAP_P bit.
6026
6027 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6028
6029         PR target/23721
6030         * pa.c (emit_move_sequence): Fix typo in last change.
6031
6032 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6033
6034         PR rtl-optimization/23454
6035         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6036         is true.
6037
6038 2005-09-03  Richard Henderson  <rth@redhat.com>
6039             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6040
6041         PR middle-end/23671
6042         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6043         gen_rtx_MEM.
6044
6045 2005-09-02  Nicolas Pitre <nico@cam.org>
6046
6047         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6048         to bit_count to 32 bits.
6049
6050 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6051
6052         PR c++/23167
6053         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6054         generating synthetic loads from volatile lvalues.
6055
6056 005-09-02  Nick Clifton  <nickc@redhat.com>
6057
6058         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6059         __ctzhi2, __clzhi2): New functions.
6060
6061 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6062
6063         PR middle-end/23547
6064         * tree-nested.c (struct var_map_elt): Mark with GTY.
6065         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6066         var_map_elt.
6067         (lookup_field_for_decl): Allocate new element in GC memory.
6068         (lookup_tramp_for_decl): Likewise.
6069         (convert_nl_goto_reference): Likewise
6070         (create_nesting_tree): Allocate info in GC memory. Likewise for
6071         info->var_map.
6072         (free_nesting_tree): Free with ggc_free instead of free.
6073         (root): New static variable.
6074         (lower_nested_functions): Remove root as local variable.  And zero out
6075         root at the end of the function.
6076
6077 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6078
6079         PR rtl-optimization/20365
6080         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6081         to short.  New member ix.
6082         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6083         (simplify_plus_minus): Initialize ix members before calling qsort.
6084
6085 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6086
6087         PR tree-optimization/23626
6088         * tree-cfg.c (replace_uses_by): Clean up eh info.
6089
6090 2005-09-01  DJ Delorie  <dj@redhat.com>
6091
6092         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6093         fprintf.
6094
6095 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6096
6097         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6098         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6099         gen_rtx_MEM.
6100
6101 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6102
6103         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6104         do not issue warning for a variable definition following
6105         a declaration.
6106
6107 2005-09-01  Richard Henderson  <rth@redhat.com>
6108
6109         PR 23668
6110         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6111         conversion to CONST_VECTOR.
6112
6113 2005-09-01  Richard Henderson  <rth@redhat.com>
6114
6115         PR 23676
6116         * reload1.c (reload_as_needed): Check !CALL_P before calling
6117         fixup_eh_region_note.
6118         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6119
6120 2005-09-01  DJ Delorie  <dj@redhat.com>
6121
6122         * varasm.c (output_constant): Let the target resolve
6123         conversions of addresses to non-default pointer sizes.
6124
6125 2005-09-01  Nicolas Pitre <nico@cam.org>
6126
6127         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6128         to alow matching ARM pre-indexed addressing mode.
6129         (arm_override_options): Remove now irrelevant comment.
6130
6131 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6132
6133         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6134         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6135         * config/i386/vxworks.h:  Likewise.
6136         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6137         * config/i386/vxworksae.h:  Likewise.
6138
6139 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6140
6141         PR tree-optimization/23410
6142         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6143         sequence is not wrapping during the first step.
6144
6145 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6146
6147         PR debug/7241
6148         * dwarf2out.c (base_type_die): Compare char_type_node with
6149         TYPE_MAIN_VARIANT (type), not type.
6150
6151 2005-09-01  Richard Guenther  <rguenther@suse.de>
6152
6153         PR tree-optimization/15366
6154         * common.opt: Add -finline-functions-called-once.
6155         Put -fearly-inlining in alphabetically ordered place.
6156         * doc/invoke.texi: Document new option.
6157         * ipa-inline.c (cgraph_decide_inlining): Honour
6158         flag_inline_functions_called_once.
6159
6160 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6161
6162         PR rtl-optimization/23478
6163         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6164         (alloc_qty): Initialize it.
6165         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6166         (combine_regs): Combine also n_throwing_calls_crossed fields.
6167         (find_free_reg): Don't attempt to caller-save pseudos crossing
6168         calls that might throw.
6169         * global.c (struct allocno): Add throwing_calls_crossed field.
6170         (global_alloc): Revert 2005-08-22 change.  Initialize
6171         throwing_calls_crossed.
6172         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6173         might throw.
6174
6175 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6176
6177         PR target/23649
6178         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6179         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6180         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6181         (and64_2_operand): Tweak to use predicate.
6182         (and_operand): Adjust for mask_operand changes.
6183         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6184         (print_operand): Likewise.
6185         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6186         (mask64_1or2_operand): Delete.
6187         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6188         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6189         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6190         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6191         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6192         (rotldi3_internal4): Likewise.
6193         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6194         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6195         (ashldi3_internal7): Likewise.
6196         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6197         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6198         (anddi3 split): Don't match mask64_operand.
6199         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6200         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6201         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6202         't' splitter predicate.
6203         (movdi_internal64 + 2): Revert 2005-06-11 change.
6204
6205 2005-08-31  DJ Delorie  <dj@redhat.com>
6206
6207         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6208         (m32c_asm_integer): Add support for 32 bit pointers.
6209
6210 2005-08-31  Richard Henderson  <rth@redhat.com>
6211
6212         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6213         component-like references for setting MEM_NOTRAP_P.
6214
6215         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6216         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6217
6218 2005-08-31  Richard Henderson  <rth@redhat.com>
6219
6220         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6221         into a pseudo before applying gen_lowpart.
6222
6223 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6224
6225         * doc/install.texi (Specific): Update cctools version required
6226         for full functionality.
6227         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6228         linkers as -macosx_version_min.
6229
6230 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6231
6232         PR target/21255
6233         * sh.c (print_operand, %R and %S): Add handling of floating point
6234         registers, memory, constants and invalid operands.
6235
6236 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6237
6238         * ipa-pure-const.c: Change dump name.
6239
6240 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6241
6242         PR target/23570
6243         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6244         to "reg_or_0_operand".
6245         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6246
6247 2005-08-31  Dale Johannesen  <dalej@apple.com>
6248
6249         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6250         loops that count down.
6251
6252 2005-08-31  Richard Henderson  <rth@redhat.com>
6253
6254         PR rtl-opt/23601
6255         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6256         (fixup_eh_region_note): New.
6257         (reload_as_needed): Call it.
6258         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6259         don't call find_many_sub_basic_blocks; call verify_flow_info.
6260         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6261         (keep_stack_depressed): Likewise.
6262         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6263
6264 2005-08-31  Richard Henderson  <rth@redhat.com>
6265
6266         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6267         fp return matching.
6268
6269 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6270
6271         * expr.c (expand_expr_real_1): Compare size of address
6272         mode to target's address mode size in deciding expansion of
6273         the constant address.
6274
6275 2005-08-31  Richard Guenther  <rguenther@suse.de>
6276
6277         PR middle-end/23477
6278         * expr.c (all_zeros_p): New function.
6279         (expand_expr_real_1): Handle the case of an all-zero
6280         non-addressable constructor separately.
6281
6282 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6283
6284         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6285         arguments, adjust all callers.
6286         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6287
6288 2005-08-30  Richard Henderson  <rth@redhat.com>
6289
6290         PR target/23630
6291         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6292         whenever the mode sizes match.
6293
6294 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6295
6296         * calls.c (load_register_parameters): Fix comment typo.
6297         * expr.c (emit_push_insn): Comment formatting.
6298
6299 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6300
6301         * config/i386/x-cygwin (host-cygwin): Change dependency from
6302         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6303
6304 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6305
6306         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6307         parts of 'vals'.
6308
6309 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6310
6311         PR middle-end/23408
6312         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6313         call to ggc_collect.
6314
6315 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6316
6317         PR bootstrap/21268
6318         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6319         beginning.  Remove $(INCLUDES) from all the rules, if following
6320         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6321
6322 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6323
6324         PR middle-end/23484
6325         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6326         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6327         not constant, but maxlen is, don't set len to maxlen, rather
6328         set maxlen to len if len is a constant.
6329
6330 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6331
6332         PR tree-optimization/23475
6333         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6334         and counts.
6335
6336 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6337
6338         Fix PR middle-end/22455
6339
6340         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6341         Checksum only the parts of the tree that exist for the tree code.
6342
6343 2005-08-28  Dale Johannesen  <dalej@apple.com>
6344
6345         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6346
6347 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6348
6349         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6350
6351 2005-08-28  Richard Henderson  <rth@redhat.com>
6352
6353         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6354         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6355         of char_type_node.
6356
6357 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6358
6359         PR ada/23593
6360         * builtins.c (get_memory_rtx): Don't strip nops
6361         in between COMPONENT_REFs.
6362
6363 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6364
6365         PR middle-end/23463
6366         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6367         types.
6368         (gimplify_modify_expr): Check for zero sized types and gimplify the
6369         rhs and lhs as statements.
6370
6371 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6372
6373         PR libgcj/23508
6374         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6375         state for return address column of signal frames.
6376
6377 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6378
6379         PR target/23539
6380         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6381         bytes >= 2 not bytes == 2.
6382         (expand_block_move): Same.
6383
6384 2005-08-27  Richard Guenther  <rguenther@suse.de>
6385
6386         PR target/23575
6387         * config/i386/sse.md (sse2_movsd): Add missing closing
6388         braces.
6389
6390 2005-08-27  Paul Brook  <paul@codesourcery.com>
6391
6392         * genrecog.c (enum decision_type): Add DT_num_insns.
6393         (struct decision_test): Add u.num_insns.
6394         (add_to_sequence): Add DT_num_insns test.
6395         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6396         (write_cond, debug_decision_2): Ditto.
6397         (change_state): Assume peep2_next_insn never fails.
6398         Remove "afterward" argument.
6399         (write afterward, write_tree): Update to match.
6400         * recog.c (peep2_current_count): New variable.
6401         (peep2_next_insn): Check it.
6402         (peephole2_optimize): Set peep2_current_count.
6403         * recog.h (peep2_current_count): Declare.
6404
6405 2005-08-26  Josh Conner  <jconner@apple.com>
6406
6407         PR middle-end/23584
6408         * ipa-pure-const.c (check_tree): Check for volatile-ness
6409         when considering a dereference.
6410
6411 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6412
6413         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6414
6415 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6416
6417         PR rtl-optimization/23561
6418         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6419         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6420         at most LEN bytes long memory fits into the field.
6421         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6422         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6423         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6424
6425 2005-08-26  Richard Henderson  <rth@redhat.com>
6426
6427         PR rtl-opt/23560
6428         * loop.c (biased_biv_may_wrap_p): New.
6429         (maybe_eliminate_biv_1): Use it to suppress non-equality
6430         comparison transformations.  Delete disabled code.
6431
6432 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6433
6434         * combine.c (make_extraction): Avoid reference outside object.
6435
6436 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6437
6438         * stor-layout.c (finalize_type_size): Restore behaviour for
6439         non-aggregate types to the status quo ante of the patch for
6440         pr 23467.  Document why it matters.
6441
6442 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6443
6444         PR c/23506
6445         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6446         array by one element, initialize the BT_LAST element with NULL.
6447
6448 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6449
6450         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6451         optimizing for size.
6452         (plus_eqsi): Same.
6453         (compare_plus_eqsi): Same.
6454         (plus_eqsi_compare): Same.
6455         (neg_eq0<mode>): Same.
6456         (neg_eq<mode>): Same.
6457
6458         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6459         PROCESSOR_POWER4.
6460
6461 2005-08-26  Nick Clifton  <nickc@redhat.com>
6462
6463         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6464         TARGET_EP is not defined.
6465         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6466         TARGET_EP is enabled.
6467         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6468         * config/v850/v850.md (save_all_interrupt): Only use the EP
6469         register if TARGET_EP is defined.
6470         (restore_all_interrupt): Likewise.
6471         * config/v850/lib1funcs.asm: Update functions so that the EP
6472         register is only used if __EP__ is defined.
6473
6474 2005-08-26  David Ung  <davidu@mips.com>
6475
6476         * config/mips/mips.c (mips_expand_prologue): Handle case when
6477         generating for MIPS16 and the outgoing argument area is more than
6478         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6479         add instruction.
6480
6481 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6482
6483         * config/crx/crx.md: Make doloop_end pattern usage controllable
6484         via mloop-nesting=<max-nesting> command line switch. Make sure
6485         the combiner cannot use doloop_end_<mode> in an illegal way.
6486         * config/crx/crx.c: Use regs up to r6 for argument passing.
6487         Refine crx_address_cost (non cst4 displacements are expensive).
6488         * config/crx/crx.opt: Add switch for mloop-nesting=.
6489
6490 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6491
6492         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6493         (UNSPEC_MVST): New constant.
6494
6495 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6496
6497         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6498         Reject operands containing eliminable registers.
6499         * testsuite/gcc.dg/20050825-1.c: New testcase.
6500
6501 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6502             Jan Hubicka  <jh@suse.cz>
6503
6504         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6505
6506 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6507
6508         PR tree-optimization/23546
6509         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6510         and REAL_CST nodes.
6511
6512 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6513
6514         * params.def (PARAM_MIN_SPEC_PROB): New.
6515         * sched-rgn.c (MIN_PROBABILITY): Delete.
6516         (compute_trg_info): Convert to PARAM_VALUE.
6517         * doc/invoke.texi (param): Document min-spec-prob.
6518
6519 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6520
6521         * config/darwin.h: define __PIC__
6522         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6523         TARGET_OS_CPP_BUILTINS macro.
6524
6525 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6526
6527         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6528         yesterday.
6529
6530 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6531
6532         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6533         to duplicate_block.
6534         * cfghooks.c (duplicate_block): Added position where to place
6535         new block as argument.
6536         * cfghooks.h (duplicate_block): Declaration changed.
6537         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6538         duplicate_block.
6539         * cfglayout.h (copy_bbs): Declaration changed.
6540         * cfgloop.h (loop_version): Declaration changed.
6541         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6542         position to copy_bbs.
6543         (loop_version): Pass position to duplicate_loop_to_header_edge.
6544         Add place_after argument and position new blocks according to
6545         it.
6546         * modulo-sched.c (sms_schedule): Pass place_after argument
6547         to loop_version.
6548         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6549         * tree-cfg.c (split_edge_bb_loc): New function.
6550         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6551         to determine position of new blocks.
6552         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6553         to loop_version.
6554         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6555         argument to duplicate_block.
6556         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6557         Pass position to copy_bbs.
6558
6559 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6560
6561         * fold-const.c (ptr_difference_const): Use
6562         cst_and_fits_in_hwi instead of host_integerp.
6563
6564 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6565
6566         * config/darwin.c (gen_pic_offset): New.
6567         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6568         Use it.
6569
6570 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6571
6572         PR tree-optimization/23486
6573         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6574
6575 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6576
6577         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6578         remove use_collect2.
6579         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6580
6581         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6582         configuration files to override the default value.
6583
6584         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6585         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6586         * config/vx-common.h:  New file, split out from...
6587         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6588         * config/vxworksae.h:  New file, for VxWorks AE.
6589         * config/vxworks.opt:  New file.
6590         * config/vxlib.c:  Update for VxWorks 6.
6591
6592         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6593         other MULTILIB_* variables appropriately.
6594         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6595         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6596         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6597         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6598
6599 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6600
6601         PR target/20799
6602         * config/darwin.c (machopic_select_section): Remove the hack to
6603         mark "::operator new" and "::operator delete" for coalescing
6604         even though they are not weak.
6605
6606 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6607
6608         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6609         * configure: Regenerate.
6610
6611 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6612
6613         PR middle-end/23517
6614         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6615         between vectors.
6616         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6617         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6618         Likewise.
6619
6620 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6621
6622         * config/rs6000/predicates.md (equality_operator): New.
6623         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6624         comparison with a large constant.
6625
6626 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6627
6628         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6629
6630 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6631
6632         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6633         registers is even, and we have a hardware double precision fp,
6634         align the buffer.
6635         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6636         size of current argument when checking if argument was passed in
6637         registers.
6638
6639         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6640
6641         PR middle-end/23467
6642         * stor-layout.c (finalize_type_size): Dont override
6643         existing alignment with a smaller alignment from the mode.
6644
6645 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6646
6647         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6648         * lambda.h (lambda_vector_lexico_pos): ... here.
6649         * tree-data-ref.c (build_classic_dist_vector): Return false when
6650         the distance vector is lexicographically negative.
6651
6652 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6653
6654         PR tree-optimization/23511
6655         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6656         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6657
6658 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6659
6660         PR tree-optimization/22043
6661         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6662         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6663         If ALLOW_FLEXARR, handle types ending with flexible array member.
6664         Pass false as second argument to recursive count_type_elements calls.
6665         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6666         argument to count_type_elements call.
6667         * tree-sra.c (decide_block_copy): Likewise.
6668         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6669         for a constant-sized object, set cleared as well.  Pass true as
6670         second argument to count_type_elements call.
6671
6672 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6673
6674         PR target/21571
6675         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6676         from legitimate_small_data_p, and make global.  Update use.
6677         Remove forward declaration.
6678         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6679         Declare.
6680         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6681
6682 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6683
6684         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6685         of scratch intermediates.
6686         (eq<mode>_compare): Same.
6687         (neg_eq0<mode>): New.
6688         (neg_eq<mode>): Convert to define_insn_and_split.
6689
6690 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6691
6692         PR target/23070
6693         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6694         stdarg functions, set/clear the fp marker even when no variable
6695         args are passed.
6696         * config/rs6000/sysv4.opt (mprototype): Describe.
6697
6698 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6699
6700         PR rtl-optimization/23478
6701         * regs.h (reg_info): Add throw_calls_crossed.
6702         (REG_N_THROWING_CALLS_CROSSED): Define.
6703         * flow.c (allocate_reg_life_data): Initialize
6704         REG_N_THROWING_CALLS_CROSSED.
6705         (propagate_one_insn, attempt_auto_inc): Update
6706         REG_N_THROWING_CALLS_CROSSED.
6707         * global.c (global_alloc): Don't allocate pseudos across
6708         calls that may throw.
6709
6710 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6711
6712         PR c/18715
6713         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6714         value is inbetween the range if we did not find an exact match.
6715
6716 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6717
6718         * doc/invoke.texi (Option Summary): Add ms1 options.
6719         * doc/extend.texi: Document interrupt handler attribute for ms1.
6720         * doc/md.texi: Document ms1 constraints.
6721         * config.gcc: Add ms1-*-elf.
6722         * config/ms1/ms1.h: New.
6723         * config/ms1/ms1.c: New.
6724         * config/ms1/ms1.md: New.
6725         * config/ms1/ms1-protos.h: New.
6726         * config/ms1/ABI.txt: New.
6727         * config/ms1/crti.asm: New.
6728         * config/ms1/crtn.asm: New.
6729         * config/ms1/lib2extra-funcs.c: New.
6730         * config/ms1/t-ms1: New.
6731         * config/ms1/ms1.opt: New.
6732
6733 2005-08-22 Ira Rosen <irar@il.ibm.com>
6734
6735         * config/rs6000/altivec.md (xorv4sf3): New.
6736         (negv4sf2, neg<mode>2): Likewise.
6737
6738 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6739
6740         PR target/23485
6741         * config/ia64/ia64.md (divsi3): Check divide by zero.
6742         (udivsi3): Likewise.
6743         (divdi3): Likewise.
6744         (udivdi3): Likewise.
6745
6746 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6747
6748         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6749         up to elem_bitsize bits, not max_bitsize.
6750
6751 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6752
6753         PR tree-optimization/23433
6754         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6755         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6756
6757 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6758
6759         PR tree-optimization/23434
6760         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6761         the iteration bound is not an INTEGER_CST.
6762
6763 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6764
6765         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6766         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6767         NULL if need_epilog_adjust is false.
6768         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6769         Case 3 always peels first itration, not just for PLUS case, and no need
6770         to use scalar_initial_def here. Create an epilog adjustment only if
6771         scalar_initial_def is not NULL.
6772
6773         (vectorizable_reduction): Remove assert.
6774
6775 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6776
6777         PR target/23485
6778         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6779         (__moddi3): Likewise.
6780         (__udivdi3): Likewise.
6781         (__umoddi3): Likewise.
6782         (__divsi3): Likewise.
6783         (__modsi3): Likewise.
6784         (__udivsi3): Likewise.
6785         (__umodsi3): Likewise.
6786
6787 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6788
6789         * tree-pass.h (TDF_GRAPH): Define.
6790         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6791         * passes.c (finish_optimization_passes): Only call
6792         finish_graph_dump_file if TDF_GRAPH is set.
6793         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6794         NULL.  Set TDF_GRAPH bit.
6795         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6796
6797 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6798
6799         * arm.h (arm_stack_offsets): Add locals_base field.
6800         * arm.c (arm_get_frame_offsets): Compute it.
6801         (thumb_compute_initial_elimination offset): Make the Thumb frame
6802         pointer point to the base of the local variables.
6803         (thumb_expand_prologue): Update accordingly.
6804         (thumb_expand_epilogue): Likewise.
6805
6806         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6807         mode of clobbered scratch to DImode.  Handle a case that's known to
6808         need this.
6809
6810 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6811
6812         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6813         (gt0<mode>_compare): Delete.
6814         (neg_gt0<mode>): Delete.
6815
6816 2005-08-19  Eric Christopher  <echristo@apple.com>
6817
6818         * optabs.h: Change CTI_ to COI_.
6819         * optabs.c: Ditto.
6820
6821 2005-08-19  James E Wilson  <wilson@specifix.com>
6822
6823         * builtins.c (expand_builtin_return_addr): Set
6824         current_function_accesses_prior_frames when count != 0.  Use
6825         frame_pointer_rtx when count == 0.
6826         * function.h (struct function): Add accesses_prior_frames field.
6827         (current_function_accesses_prior_frames): Define.
6828         * reload1.c (init_elim_table): Check
6829         current_function_accesses_prior_frames.
6830         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6831
6832 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6833
6834         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6835         indicator.  Return true if the flowgraph changed during
6836         cleanup.
6837
6838 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6839
6840         PR 23476
6841         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6842         conditional expression before testing its value.
6843
6844 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6845
6846         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6847
6848 2005-08-19  Devang Patel  <dpatel@apple.com>
6849
6850         PR tree-optimization/23048
6851         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6852         third parameter. Check whether latch is dominated by exit
6853         block or not.
6854         (if_convertible_loop_p): Supply exit block itself to
6855         if_convertible_bb_p.
6856
6857 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6858
6859         PR target/23473
6860         * arm.md (arm_load_pic_register): Change argument to the mask of
6861         saved registers.  Call thumb_find_work_register if we need a
6862         scratch register on Thumb.
6863         (arm_expand_prologue): Pass empty register set to
6864         arm_load_pic_register.
6865         (thumb_expand_prologue): Pass live_regs_mask directly to
6866         arm_load_pic_register.
6867         * arm-protos.h (arm_load_pic_register): Update prototype.
6868
6869 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6870
6871         * sh.c (find_sole_member): New function.
6872         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6873         if the record's alignment is larger than the size of its only member.
6874
6875 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6876
6877         PR target/23436
6878         * arm.c (thumb_legitimize_reload_address): New function.
6879         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6880         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6881
6882 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6883
6884         * config/crx/crx.c: Implement crx_decompose_address. Reject
6885         symbolic displacements since CRX register relative adressing
6886         mode can't handle unsigned 32-bit values as displacements.
6887         * config/crx/crx.h: Simplify definitions, remove redundant
6888         parenthesis and obsolete macros.
6889         * config/crx/crx.opt: Add new switch for debugging addresses.
6890         * config/crx/crx-protos.h: Add new declarations for above.
6891
6892 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6893
6894         PR middle-end/20624
6895         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6896         looking past it.
6897
6898 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6899
6900         * collect2.c (dup2): Delete.
6901         * configure.ac: Don't check for dup2.
6902
6903         * config.in, configure: Regenerate.
6904
6905 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6906
6907         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6908         record with the type of its only member.
6909
6910 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6911
6912         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6913         define_insn_and_split.
6914         (plus_ltu<mode>_compare): Same.
6915         (gtu<mode>_compare): Same.
6916         (plus_gtu<mode>_compare): Same.
6917
6918 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6919
6920         PR tree-optimization/22228
6921         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6922         todo_flags_start.
6923         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6924         are recorded in vect_vnames_to_rename for renaming.
6925         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6926         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6927         in vect_vnames_to_rename.
6928         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6929         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6930
6931 2005-08-18  Jan Hubicka  <jh@suse.cz>
6932
6933         PR c++/22034
6934         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6935         info only for local statics, not for member variables.
6936
6937 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6938
6939         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6940
6941 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6942
6943         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6944
6945 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6946
6947         PR middle-end/16045
6948         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6949
6950 2005-08-17  James E Wilson  <wilson@specifix.com>
6951
6952         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6953         array size check.
6954
6955 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6956
6957         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6958         (leu<mode>_compare): Same.
6959         (plus_leu<mode>): Same.
6960         (neg_leu<mode>): Same.
6961         (and_neg_leu<mode): Same.
6962         (ltu<mode>_compare): Same.
6963         (plus_ltu<mode>): Same.
6964         (geu<mode>): Same.
6965         (geu<mode>_compare): Same.
6966         (plus_geu<mode>): Same.
6967         (neg_geu<mode>): Same.
6968         (and_neg_geu<mode>): Same.
6969         (plus_gt<mode>): Same.
6970         (gtu<mode>_compare): Same.
6971         (plus_gtu<mode>): Same.
6972
6973 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6974
6975         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6976         Move call_table_data to end.  Delete spurious .text.
6977         (callt_save_all_interrupt): Fix comment typo.
6978
6979 2005-08-17  James E Wilson  <wilson@specifix.com>
6980             Kevin Winchester  <winchester@amirix.com>
6981
6982         PR target/21684
6983         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6984
6985 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6986
6987         PR target/23268
6988         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6989         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6990
6991 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6992
6993         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6994         record with the type of its only member if the modes don't match.
6995
6996         * varasm.c (decode_reg_name): Skip empty additional register names.
6997
6998 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6999
7000         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7001         lsm_tmp_name_length): New.
7002         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7003         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7004
7005 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7006             Andreas Krebbel  <krebbel1@de.ibm.com>
7007
7008         * config.gcc: Added z9-109 switch.
7009         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7010         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7011         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7012         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7013         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7014         for "z9_109" cpu attribute.
7015         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7016         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7017         (s390_handle_arch_option): Added z9-109 switch.
7018         (override_options): Set respective cost function for z9-109.
7019         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7020         (legitimate_reload_constant_p): Accept extended immediates.
7021         (print_operand): Three new output modifiers added: k, m and o.
7022         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7023         (s390_output_mi_thunk): Use extended immediate when possible.
7024         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7025         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7026         (CONSTRAINT_LEN): Added length of O constraint.
7027         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7028         * config/s390/s390.md ("cpu"): New value z9_109 added.
7029         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7030         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7031         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7032         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7033         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7034         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7035         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7036         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7037         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7038         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7039         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7040         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7041         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7042         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7043         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7044         immediates.
7045         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7046         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7047         insns for TARGET_EXTIMM.
7048
7049 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7050
7051         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7052
7053 2005-08-17  Nick Clifton  <nickc@redhat.com>
7054
7055         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7056         Call default_encode_section_info.
7057
7058 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7059
7060         PR tree-optimization/21574
7061         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7062         constant, return CONSTANT.
7063         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7064         (ccp_fold, visit_assignment): Likewise.
7065         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7066
7067 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7068
7069         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7070         fold_buildN instead of buildN then fold_initializer or fold.
7071         (build_unary_op): Likewise.
7072         (build_binary_op): Likewise.
7073         * fold-const.c (fold_initializer): Remove.
7074         (fold_build1_initializer): New function.
7075         (fold_build2_initializer): New function.
7076         (fold_build3_initializer): New function.
7077         * tree.h (fold_initializer): Remove.
7078         (fold_build1_initializer): New function.
7079         (fold_build2_initializer): New function.
7080         (fold_build3_initializer): New function.
7081
7082 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7083
7084         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7085         (try_move_mult_to_index): Call fold_build2 instead of build2.
7086         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7087         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7088         fold_binary_to_constant.
7089         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7090         fold (build.
7091         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7092         check if A == gcd (A, B).  Remove TYPE argument.
7093         (analyze_offset) Use fold_build2 instead of fold (build.
7094         (create_data_ref): Likewise.
7095         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7096         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7097         then fold.
7098
7099 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7100
7101         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7102         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7103
7104 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7105
7106         PR tree-opt/23402
7107         * gimplify.c (zero_sized_type): New function.
7108         (gimplify_modify_expr_rhs): If we have a zero sized type,
7109         replace the statement with an empty statement.
7110
7111 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7112
7113         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7114         fxsave.
7115
7116 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7117
7118         * doc/tm.texi (Label Output): Correct typo.
7119
7120 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7121
7122         PR target/23376
7123         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7124         force_operand will work later on using have_insn_for.
7125
7126 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7127
7128         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7129
7130 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7131
7132         PR c++/23337
7133         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7134         vector type, don't try to construct it element by element.  Add an
7135         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7136
7137 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7138
7139         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7140
7141 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7142
7143         * doc/invoke.texi (Precompiled Headers): Document some more options
7144         which are known to be safe.
7145
7146 2005-08-16  James E Wilson  <wilson@specifix.com>
7147
7148         PR tree-optimization/21105
7149         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7150         TREE_OVERFLOW check.
7151
7152 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7153
7154         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7155         (neg_ltu<mode>): Same.
7156         (gtu<mode>): Same.
7157         (neg_gtu<mode>): Same.
7158
7159 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7160
7161         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7162         (fold_builtin_isdigit): Use fold_buildN.
7163         (build_function_call_expr): Likewise.
7164         * c-typeck.c (c_finish_loop): Likewise.
7165
7166 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7167             Richard Shann <rshann@superh.com>
7168
7169         PR middle-end/20396:
7170         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7171
7172 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7173
7174         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7175
7176 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7177
7178         PR target/23355
7179         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7180         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7181         must be saved.
7182
7183 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7184
7185         PR middle-end/23369
7186         * fold-const.c (build_range_check): Disable optimization for function
7187         pointer expressions on targets that require function pointer
7188         canonicalization.
7189
7190 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7191
7192         * simplify-rtx.c (simplify_const_relational_operation): When
7193         extracting arguments of a COMPARE, recompute the mode as well.
7194
7195 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7196
7197         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7198
7199 2005-08-15  DJ Delorie  <dj@redhat.com>
7200
7201         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7202         the stack.
7203         (movsi_splittable): Allow, but split, moves to the stack.
7204         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7205         stack.
7206
7207 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7208
7209         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7210         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7211         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7212
7213         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7214         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7215         Delete HOST_PTR_PRINTF.
7216
7217         * configure, config.in: Regenerate.
7218
7219 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7220
7221         * config/rs6000/rs6000.md (QHSI): New mode macro.
7222         (wd): Extend mode attr for QImode and HImode
7223         (dbits): New mode attr.
7224         (zero_extend<mode>di2): Convert to mode macro.
7225
7226 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7227
7228         PR target/21841
7229         * doc/invoke.texi (-mgnu-ld): Update description.
7230         (-mhp-ld): Ditto.
7231
7232 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7233
7234         PR 23391
7235         * Makefile.in (tree-chrec.o): Depends on real.h.
7236         * tree-chrec.c: Include real.h.
7237         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7238         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7239         * tree-scalar-evolution.c (add_to_evolution_1,
7240         interpret_rhs_modify_expr): Ditto.
7241
7242 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7243
7244         PR 23386
7245         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7246         step is negative compute the estimation from init downwards to zero.
7247
7248 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7249
7250         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7251
7252 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7253
7254         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7255         constraint.
7256         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7257         Accept double-word constants that can be split.
7258         * config/s390/s390.md ("movti"): Use 'P' constraint.
7259         ("*movdi_31", "*movdf_31"): Likewise.
7260
7261 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7262
7263         Fix PR tree-optimization/22615
7264
7265         * tree-ssa-structalias.c (solution_set_add): Handle
7266         first_vi_for_offset returning NULL.
7267         (do_da_constraint): Ditto.
7268         (do_sd_constraint): Ditto.
7269         (do_ds_constraint): Ditto
7270         (find_func_aliases): Ditto.
7271         (build_constraint_graph): RHS is allowed be ANYTHING.
7272         (first_vi_for_offset): Return NULL if we couldn't find anything at
7273         the offset.
7274
7275 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7276
7277         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7278         over memory as first operand.
7279
7280 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7281
7282         PR target/23360
7283         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7284         available for setting it.
7285
7286 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7287
7288         PR tree-optimization/23320
7289         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7290         data-refs' types instead of base object nullness. Add check for
7291         pointer type data-refs before first location comparison. Remove
7292         assert.
7293
7294 2005-08-14  Andreas Schwab  <schwab@suse.de>
7295
7296         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7297
7298 2005-08-13  James E Wilson  <wilson@specifix.com>
7299
7300         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7301         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7302         -fstack-protector-all, --param ssp-buffer-size): Document.
7303         (-Wvariadic-macros): Alphabetize.
7304         (-fsched-stalled-insns-dep): Add missing 'f'.
7305
7306         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7307         macros.
7308
7309 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7310
7311         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7312         or indirect address operand.
7313         (EXTRA_ADDRESS_CONSTRAINT): New.
7314         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7315
7316 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7317
7318         PR tree-optimization/22236
7319         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7320         successors and predecessors.
7321         * tree-chrec.c (chrec_convert): Before converting, check that
7322         sequences don't wrap.
7323         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7324         (analyze_array): Extern.
7325         (find_data_references_in_loop): Remove call to
7326         compute_estimated_nb_iterations.
7327         * tree-data-ref.h (analyze_array): Declared.
7328         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7329         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7330         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7331         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7332         condition.
7333         * tree-ssa-loop-ivcanon.c: Fix documentation.
7334         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7335         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7336         (infer_loop_bounds_from_undefined): New.
7337         (estimate_numbers_of_iterations_loop): Use
7338         infer_loop_bounds_from_undefined.
7339         (used_in_pointer_arithmetic_p): New.
7340         (scev_probably_wraps_p): Pass an extra parameter.  Call
7341         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7342         (convert_step): Fix documentation.
7343         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7344         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7345         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7346         scev_probably_wraps_p.
7347
7348 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7349
7350         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7351         (s390_register_info): Ignore clobbered_regs information for fixed
7352         registers, and only fixed registers.
7353         (s390_init_frame_layout): Remove redundant call.
7354
7355 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7356
7357         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7358         description of -Wold-style-casts.
7359
7360 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7361             Jakub Jelinek  <jakub@redhat.com>
7362
7363         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7364         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7365         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7366         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7367         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7368         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7369         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7370         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7371         ("stack_protect_set", "stack_protect_test"): New expanders.
7372         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7373         "stack_protect_testdi"): New insn definitions.
7374
7375 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7376
7377         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7378
7379 2005-08-12  Paul Brook  <paul@codesourcery.com>
7380
7381         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7382
7383 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7384
7385         * config/s390/predicates.md (setmem_operand): New predicate.
7386         (shift_count_operand): Accept ANDs with special constants as
7387         operand.
7388         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7389         with special constants.
7390         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7391         shift_count_operand with setmem_operand.
7392
7393 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7394
7395         * config/s390/s390.c (s390_extract_part, s390_single_part):
7396         Type cast added.
7397         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7398         (s390_output_mi_thunk): Don't use lg on 31 bit.
7399         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7400         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7401
7402 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7403
7404         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7405         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7406         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7407         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7408         with one of the new macros.
7409
7410 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7411
7412         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7413         Don't set save_return_addr_p.
7414         (s390_register_info): Make clobbered_regs not depending on
7415         save_return_addr_p.
7416
7417 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7418
7419         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7420         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7421
7422 2005-08-11  James E. Wilson  <wilson@specifix.com>
7423
7424         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7425
7426 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7427
7428         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7429         locations gathered by var-tracking in single entry loc_list
7430         over loc_descriptor_from_tree.
7431
7432         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7433         pass it down to loc_descriptor.
7434         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7435         (containing_function_has_frame_base): Move earlier in the file.
7436         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7437         instead of always assuming fbreg can't be used.
7438
7439 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7440
7441         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7442         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7443         Accept address wrapped in AND for Altivec.
7444         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7445         Strip AND wrapping offset address for Altivec.
7446
7447 2005-08-11  Richard Henderson  <rth@redhat.com>
7448
7449         PR middle-end/23312
7450         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7451         before using TYPE_IS_SIZETYPE.
7452
7453 2005-08-11  Richard Henderson  <rth@redhat.com>
7454
7455         PR target/22225
7456         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7457         insn types not present on ev4.
7458         (alphaev5_insn_pipe): Similarly.
7459
7460 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7461
7462         PR target/23250
7463         * arm.c (arm_override_options): If the user has selected callee-super-
7464         interworking, then enable normal interworking.
7465
7466 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7467
7468         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7469         redefinition.
7470
7471 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7472
7473         * doc/rtl.texi: Fix two typos.
7474
7475 2005-08-11  Richard Guenther  <rguenther@suse.de>
7476
7477         PR target/23289
7478         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7479         cases where we call to/from functions returning void.
7480
7481 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7482
7483         PR c++/23225
7484         * tree.c (build_pointer_type_for_mode): Robustify.
7485
7486 2005-08-10  James E Wilson  <wilson@specifix.com>
7487
7488         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7489         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7490
7491         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7492         "cum->".
7493
7494 2005-08-10  Eric Christopher  <echristo@apple.com>
7495
7496         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7497         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7498         V2DFmode.
7499
7500 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7501
7502         PR target/21887
7503         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7504         for the high part when generating dynamic-no-pic code.
7505
7506 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7507
7508         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7509         (x86_64-*-linux*): Likewise.
7510
7511         * config/i386/crtfastmath.c: New file.
7512         * config/i386/t-crtfm: Likewise.
7513
7514         * config/i386/linux.h (ENDFILE_SPEC): New.
7515         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7516
7517         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7518         crtfastmath.o.
7519
7520 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7521
7522         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7523         (vec_shl, vec_shr): Document new operations.
7524         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7525
7526 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7527
7528         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7529         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7530         change predicate to indexed_or_indirect_address.
7531
7532 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7533
7534         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7535         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7536         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7537         and __aeabi_uwrite8.
7538         * config/arm/unaligned-funcs.c: New file.
7539         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7540
7541 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7542
7543         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7544         Add dump.
7545         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7546         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7547         Add dump.
7548         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7549         * final.c (pass_shorten_branches): Add dump.
7550         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7551         (pass_life): Rename dump.
7552         (rest_of_handle_flow2): Remove initial verify_flow_info.
7553         * function.c (pass_instantiate_virtual_regs): Add dump.
7554         * integrate.c (pass_initial_value_sets): Add dump.
7555         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7556         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7557         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7558         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7559         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7560         gate_rtl_unrool_and_peel_loops): New.
7561         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7562         rtl_doloop): Do not look at flags.
7563         * mode-switching.c (pass_mode_switching): Add dump.
7564         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7565         pass_split_before_regstack): Add dump.
7566         * regmove.c (pass_stack_adjustments): Add dump.
7567         * tree-optimize.c (pass_fixup_cfg): Add dump.
7568
7569 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7570
7571         PR 23309
7572         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7573         deciding which instruction sequence to use.
7574
7575 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7576
7577         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7578         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7579
7580 2005-08-09  Richard Guenther  <rguenther@suse.de>
7581
7582         * c-common.c (builtin_function_2): Remove.
7583         (def_builtin_1): New function.
7584         (c_common_nodes_and_builtins): Use def_builtin_1 to
7585         build builtin functions.
7586
7587 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7588
7589         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7590         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7591         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7592         Visual DSP.
7593
7594 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7595
7596         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7597         fold_binary instead of fold_build2 since we don't care about the
7598         resulting tree.
7599         (loop_niter_by_eval): Likewise.
7600         (compare_trees): Likewise.
7601         (proved_non_wrapping_p): Likewise.
7602
7603 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7604
7605         PR c/23161
7606         PR c/23165
7607         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7608         if the if is really empty.
7609
7610 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7611
7612         PR tree-optimization/23234
7613         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7614         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7615         argument of the new enum.
7616         (execute_cse_reciprocals): Add reciprocals for function arguments
7617         on the unique successor edge of the entry block.  Update other calls
7618         to execute_cse_reciprocals_1.
7619
7620 2005-08-08  Richard Henderson  <rth@redhat.com>
7621
7622         PR 22439
7623         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7624
7625 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7626
7627         * expr.c (write_complex_part): Return after handling MEM.
7628
7629 2005-08-08  Josh Conner  <jconner@apple.com>
7630
7631         PR rtl-optimization/23241
7632         * combine.c (simplify_comparison): Fix error in determining
7633         whether to lift a subreg from comparison.
7634
7635 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7636
7637         PR target/18506
7638         * config/rs6000/altivec.md (vec_init<mode>): New.
7639         (vec_set<mode>): New.
7640         (vec_extract<mode>): New.
7641         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7642         (rs6000_expand_vector_set): New.
7643         (rs6000_expand_vector_extract): New.
7644         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7645         for Altivec modes before reload.
7646         (altivec_expand_vec_init_builtin): New.
7647         (get_element_number): New.
7648         (altivec_expand_vec_set_builtin): New.
7649         (altivec_expand_vec_ext_builtin): New.
7650         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7651         builtins.
7652         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7653         builtins.
7654         * config/rs6000/rs6000.h (rs6000_builtins): Add
7655         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7656         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7657         * config/rs6000/rs6000-protos.h: Declare new functions.
7658
7659 2005-08-08  Jan Hubicka  <jh@suse.cz>
7660
7661         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7662         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7663         * i386.md (movdi*): Use pic_32bit_operand.
7664         * predicates.md (pic_32bit_operand): New.
7665
7666 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7667
7668         PR c++/21166
7669         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7670
7671 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7672
7673         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7674         (test_for_singularity): Use fold_build2.
7675
7676 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7677
7678         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7679
7680 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7681
7682         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7683         (COMMON_ASM_OP) Define.
7684         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7685         (ix86_encode_section_info): Likewise.
7686         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7687         SUBTARGET_ENCODE_SECTION_INFO.
7688
7689 2005-08-06  Richard Henderson  <rth@redhat.com>
7690
7691         PR 21894
7692         * tree-nested.c (convert_local_reference): Save and restore val_only
7693         around component_ref and friends.  Clear walk_subtrees by default.
7694
7695 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7696
7697         PR 21366
7698         * gcc.c (process_command): Check the argument to -b has a dash.
7699         * doc/invoke.texi: Update -b and -V docs.
7700
7701 2005-08-06  James E Wilson  <wilson@specifix.com>
7702
7703         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7704
7705 2005-08-06  Michael Matz  <matz@suse.de>
7706
7707         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7708         member only if only one insn is associated with the value.
7709
7710 2005-08-06  Nick Clifton  <nickc@redhat.com>
7711
7712         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7713         New define.
7714         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7715         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7716         Check symbol flags instead of symbol name mangling.
7717         (xstormy16_asm_output_aligned_common): Likewise.  Also
7718         simplify code since the bss100_section cass is the only case
7719         where the below100 code will be triggered.
7720         (xstormy16_encode_section_info): Encode below100 attribute
7721         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7722         the name.
7723         (xstormy16_strip_name_encoding): Delete - this function is no
7724         longer needed.
7725         (TARGET_STRIP_NAME_ENCODING): Undefine.
7726         * config/stormy16/stormy16-protos.h: Delete prototype for
7727         xstormy16_strip_name_encoding.
7728
7729 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7730
7731         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7732         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7733         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7734         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7735         config/alpha/predicates.md, config/arc/arc.h,
7736         config/arm/arm.h, config/arm/ieee754-df.S,
7737         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7738         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7739         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7740         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7741         config/m68hc11/m68hc11.h, config/mips/mips.c,
7742         config/mips/mips.h, config/mips/openbsd.h,
7743         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7744         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7745         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7746         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7747         config/sparc/linux.h, config/sparc/linux64.h,
7748         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7749         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7750         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7751         typos.  Follow spelling conventions.
7752
7753 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7754
7755         PR c/23113
7756         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7757         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7758         specially.  Check for side effects only for COND_EXPR.
7759         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7760         return with TREE_NO_WARNING.
7761
7762 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7763
7764         PR rtl-optimization/23233
7765         * loop.c (combine_movables): Require the modes to be the same.
7766         (move_movables): Remove handling of cases where the replacement
7767         had a different mode to the original.
7768
7769 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7770
7771         PR tree-optimization/23128
7772         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7773         subtraction wrap, and set TREE_OVERFLOW if they do.
7774
7775 2005-08-05  Richard Henderson  <rth@redhat.com>
7776
7777         PR 21728
7778         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7779         FORCED_LABEL labels.
7780
7781 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7782
7783         PR middle-end/23135
7784         * reload.c (find_reloads_subreg_address): Pass down TYPE
7785         unchanged.  Change all callers except find_reloads_toplev.
7786
7787 2005-08-05  Michael Matz  <matz@suse.de>
7788
7789         * genattrtab.c (current_alternative_string): Remove.
7790         (SIMPLIFY_ALTERNATIVE): Ditto.
7791         (attr_alt_bit_p): Ditto.
7792         (alternative_name): Make const char *.
7793         (evaluate_eq_attr): Remove use of above things.
7794         (simplify_test_exp): Ditto.
7795         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7796         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7797
7798 2005-08-04  James E Wilson  <wilson@specifix.com>
7799
7800         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7801         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7802         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7803         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7804         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7805
7806 2005-08-04  Richard Henderson  <rth@redhat.com>
7807
7808         PR 21529
7809         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7810         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7811         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7812         if we'd have to instantiate too many members.
7813
7814 2005-08-04  Richard Henderson  <rth@redhat.com>
7815
7816         PR 21291
7817         * tree-outof-ssa.c (coalesce_asm_operands): New.
7818         (coalesce_ssa_name): Use it.  Split out ...
7819         (coalesce_phi_operands, coalesce_result_decls): ... these.
7820
7821 2005-08-04  Paul Brook  <paul@codesourcery.com>
7822
7823         * read-rtl.c (read_quoted_string): Break if EOF.
7824
7825 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7826
7827         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7828         (fold_build2): Likewise.
7829         (fold_build3): Likewise.
7830         (fold_build1_stat): New function prototype.
7831         (fold_build2_stat): Likewise.
7832         (fold_build3_stat): Likewise.
7833         * fold-const.c (fold_build1): Rename to ..
7834         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7835         through to build1_stat.
7836         (fold_build2): Rename to ..
7837         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7838         through to build2_stat.
7839         (fold_build3): Rename to ..
7840         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7841         through to build3_stat.
7842
7843 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7844             Ian Lance Taylor  <ian@airs.com>
7845
7846         * function.c (assign_stack_local_1): Do not correct stack slot
7847         address if allocation size is smaller than mode size.
7848
7849 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7850
7851         PR 22037
7852         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7853         (tree_merge_blocks): Propagate anything allowed by
7854         may_propagate_copy.
7855         Clarify documentation.
7856         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7857         SSA form, schedule an update if necessary.
7858
7859 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7860
7861         * doc/install.texi (Binaries): Remove broken link to
7862         Sinix/Reliant Unix binaries.
7863
7864 2005-08-03  Richard Henderson  <rth@redhat.com>
7865
7866         PR 23221
7867         * function.c (stack_protect_epilogue): Export.
7868         * tree.h (stack_protect_epilogue): Declare.
7869         * calls.c (expand_call): Call it.
7870
7871 2005-08-03  Eric Christopher  <echristo@apple.com>
7872
7873         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7874         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7875         spec.
7876
7877 2005-08-04  Jan Hubicka  <jh@suse.cz>
7878
7879         * profile.c (branch_prob): Split edges with goto locus on them
7880         to get proper line counts.
7881         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7882
7883 2005-08-03  Paul Brook  <paul@codesourcery.com>
7884
7885         * function.c (assign_parms): Round current_function_args_size
7886         to PARM_BOUNDARY, not STACK_BOUNDARY.
7887
7888 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7889
7890         * config/i386/i386.c (x86_elf_aligned_common)
7891         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7892
7893 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7894
7895         PR tree-optimization/23157
7896         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7897         before emitting them.
7898
7899 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7900
7901         PR tree-optimization/19899
7902         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7903         * tree-scalar-evolution.c: Include real.h.
7904         (add_to_evolution): Build constant -1 of correct type.
7905
7906 2005-08-03  Jan Hubicka  <jh@suse.cz>
7907
7908         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7909         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7910         profile updating for complette unrolling.
7911         * loop-unroll.c (peel_loop_completely): Use it.
7912         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7913         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7914         loops.
7915
7916 2005-08-03  Paul Brook  <paul@codesourcery.com>
7917
7918         * combine.c (can_change_dest_mode): New function.
7919         (try_combine, simplify_set): Use it.
7920
7921 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7922
7923         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7924         TFmode to BLKmode.
7925
7926 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7927
7928         * doc/install.texi (Specific): Adjust link to openavr.org.
7929         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7930         (Binaries): Adjust HP-UX Porting Center link.
7931         (Binaries): Adjust Free Software Foundation ordering link.
7932
7933 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7934
7935         * convert.c (convert_to_integer): Use fold_build1 instead of
7936         build1 when converting an integer to an integer.
7937
7938 2005-08-02  Richard Henderson  <rth@redhat.com>
7939
7940         * combine.c (combine_instructions): Don't use reg_equal/equiv
7941         results if the mode doesn't match.
7942
7943 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7944
7945         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7946         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7947
7948 2005-08-02  Richard Henderson  <rth@redhat.com>
7949
7950         PR 23196
7951         * explow.c (memory_address): Remove special-case for
7952         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7953
7954 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7955
7956         PR 23164
7957         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7958         number of calls to cleanup_tree_cfg_1.
7959
7960 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7961
7962         * doc/invoke.texi: document file extensions .F90 and .F95
7963
7964 2005-08-02  Richard Guenther  <rguenther@suse.de>
7965
7966         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7967         positive if its first argument is positive.
7968
7969 2005-08-02  Richard Guenther  <rguenther@suse.de>
7970
7971         PR tree-optimization/23177
7972         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7973         on TMR_TAG.
7974
7975 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7976
7977         PR tree-optimization/23129
7978         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7979         varying for divisions with anti-ranges.
7980
7981 2005-08-02  Jan Hubicka  <jh@suse.cz>
7982
7983         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7984         * tree-ssa-threadupdate.c (thread_block): Add it here.
7985
7986 2005-08-01  James E Wilson  <wilson@specifix.com>
7987
7988         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7989         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7990         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7991         New.
7992         * config/mips/predicates.md (const_call_insn_operand): Add check for
7993         SYMBOL_REF_LONG_CALL_P.
7994         * doc/extend.texi (long_call): Document the new attribute.
7995
7996 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7997             Richard Henderson  <rth@redhat.com>
7998
7999         * Makefile.in (RTL_BASE_H): Add real.h.
8000         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8001         instead of memcpy.
8002         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8003         directly.
8004         * rtl.c (rtl_check_failed_code_mode): New.
8005         * rtl.h (struct rtx_def): Add u.rv.
8006         (XCMWINT, XCNMPRV): New.
8007         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8008         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8009
8010 2005-08-01  Richard Henderson  <rth@redhat.com>
8011
8012         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8013         with auto-inc codes.
8014
8015         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8016
8017 2005-08-01  Jan Hubicka  <jh@suse.cz>
8018
8019         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8020         * i386.c: Include dwarf2.h
8021         (asm_preferred_eh_data_format): New.
8022         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8023
8024 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8025
8026         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8027         randomize_va_space for virtual address randomization control.
8028
8029 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8030
8031         * common.opt (flag_ipa_cp): Put in right place to maintain
8032         alphabetic sort.
8033
8034 2005-08-01  Jan Hubicka  <jh@suse.cz>
8035
8036         * profile.c (compute_value_histograms): Fix thinko.
8037         * value-prof.c: Include toplev.h
8038         (check_counter): New function.
8039         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8040         tree_mod_subtract_transform): Add sanity check.
8041
8042 2005-08-01  Richard Guenther  <rguenther@suse.de>
8043
8044         PR tree-optimization/23133
8045         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8046         current functions parameter decls to find defs to cse
8047         reciprocals of.
8048
8049 2005-08-01  Richard Guenther  <rguenther@suse.de>
8050
8051         PR tree-optimization/23109
8052         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8053         If trapping math is in effect, use post-dominator information
8054         to check if we'd in any case reach a trapping point before
8055         doing the reciprocal insertion.
8056         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8057         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8058         expressions are invariant only if trapping math is not in effect.
8059
8060 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8061
8062         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8063         cgraph_function_versioning): New declarations.
8064         * cgraphunit.c: Add include to ipa-prop.h.
8065         (update_call_expr, cgraph_copy_node_for_versioning,
8066         cgraph_function_versioning): New functions.
8067         * integrate.c (copy_decl_for_inlining): Remove.
8068         * ipa-prop.h (ipa_replace_map): New struct.
8069         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8070         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8071         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8072         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8073         ipcp_iterate_stage, ipcp_method_scale_print,
8074         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8075         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8076         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8077         ipcp_update_bb_counts, ipcp_update_profiling,
8078         ipcp_update_edges_counts): New functions.
8079         (ipcp_method_cval_init): Remove restriction regarding local methods.
8080         (ipcp_init_stage): Add ipcp_method_compute_scale.
8081         (ipcp_insert_stage): Add versioning.
8082         (ipcp_structures_print): Add ipcp_method_scale_print.
8083         (ipcp_driver): Dump profiling info.
8084         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8085         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8086         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8087         (struct inline_data): Add versioning_p, ipa_info, new fields.
8088         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8089         declare_return_variable): Replace calls to copy_decl_for_inlining with
8090         copy_decl_for_dup.
8091         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8092         versioning support.
8093         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8094         Add argument VERSIONING.
8095         (copy_arguments_for_versioning, copy_static_chain,
8096         function_versionable_p, tree_versionable_function_p,
8097         tree_function_versioning, replace_ref_tree): New functions.
8098         * tree-inline.h: Include varray.h.
8099         (tree_versionable_function_p,  tree_function_versioning,
8100         tree copy_decl_for_dup): New declarations.
8101
8102 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8103
8104         * ipa-cp.c: New file. Contains IPCP specific functionality.
8105         * ipa-prop.h: New file. Contains structures/definitions that can be
8106         used by several interprocedural data flow optimizations (and also IPCP).
8107         * ipa-prop.c: New file.
8108         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8109         * common.opt: Add ipa-cp flag.
8110         * timevar.def: Add IPCP optimization.
8111         * tree-optimize.c (init_tree_optimization_passes): Schedule
8112         pass_ipa_cp.
8113         * tree-pass.h (pass_ipa_cp): Declare.
8114
8115 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8116
8117         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8118         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8119         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8120         config/i386/i386.c, config/mips/mips.h,
8121         config/rs6000/rs6000.h, config/sh/sh.c,
8122         config/stormy16/stormy16.c: Fix comment typos.
8123
8124 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8125
8126         PR c/22311
8127         * c-typeck.c (build_binary_op): Use common_type wrapper on
8128         shortened types.
8129         (common_type): Update comment.
8130
8131 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8132
8133         PR target/23095
8134         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8135         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8136         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8137
8138 2005-07-31  Jan Hubicka  <jh@suse.cz>
8139
8140         * pretty-print.h (pp_widest_integer): New macro.
8141         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8142         counts.
8143
8144 2005-07-31  Jan Hubicka  <jh@suse.cz>
8145
8146         * output.h (enum section_category): Export from varasm.c
8147         (categorize_decl_for_section): Likewise.
8148         * varasm.c (enum section_category): Kill.
8149         (categorize_decl_for_section): Make global.
8150         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8151         Declare.
8152         * i386.c (ix86_section_threshold): New static variable.
8153         (ix86_in_large_data_p, ix86_encode_section_info,
8154         x86_64_elf_unique_section,
8155         x86_64_elf_select_section): New functions.
8156         (TARGET_ENCODE_SECTION_INFO): Define
8157         (override_options): Enable medium model for PIC.
8158         (ix86_expand_prologue): Expand gen_set_got_rex64.
8159         (legitimate_constant_p): Handle new UNSPECs.
8160         (legitimate_pic_address_disp_p): Likewise.
8161         (legitimize_pic_address): Lower MEDIUM model addressing.
8162         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8163         (enum cmodel): Add MEDIUM_PIC.
8164         (SYMBOL_REF_FAR_ADDR_P): New macro.
8165         (SYMBOL_FLAG_FAR_ADDR): New flag.
8166         * i386.md (movdi): Support medium model.
8167         (set_got_rex64): New pattern.
8168         * i386.opt (mlarge-data-threshold): New flag.
8169         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8170         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8171         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8172         TARGET_ASM_UNIQUE_SECTION): New.
8173
8174         * invoke.texi (-mlarge_data_threshold): Document
8175
8176 2005-07-31  Jan Hubicka  <jh@suse.cz>
8177
8178         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8179         (coalesce_vars): Likewise.
8180         * tree-ssa-live.c (coalesce_cost): New.
8181         (build_tree_conflict_graph): Use coalesce_cost.
8182         * tree-ssa-live.h (coalesce_cost): Declare.
8183
8184 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8185
8186         * arm.md (all peepholes for post-increment operations): Delete.
8187         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8188         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8189         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8190         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8191         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8192
8193 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8194
8195         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8196         non-integral types.
8197
8198 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8199
8200         PR target/22582
8201         * doc/invoke.texi: Document -rdynamic.
8202
8203 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8204
8205         PR c/23143
8206         * c-parser.c (c_parser_parms_list_declarator): Call
8207         mark_forward_parm_decls.
8208         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8209         decls with visibility structure.
8210
8211 2005-07-30  Paul Brook  <paul@codesourcery.com>
8212
8213         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8214
8215 2005-07-30  Paul Brook  <paul@codesourcery.com>
8216
8217         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8218         prototype.
8219         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8220         value for mode.
8221         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8222
8223 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8224
8225         PR c/529
8226         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8227         nested function declarators.
8228         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8229         (grokparms): Call warn_if_shadowing for parameters used within the
8230         parameter list.
8231         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8232         not used within the parameter list.
8233         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8234
8235 2005-07-30  Jan Hubicka  <jh@suse.cz>
8236
8237         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8238         * i386.c (ix86_fixup_binary_operands): Likewise.
8239         (ix86_expand_unary_operator): Likewise.
8240         (ix86_expand_fp_absneg_operator): Likewise.
8241         * optabs.c (expand_vec_cond_expr): Validate dest.
8242
8243 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8244
8245         PR c/21720
8246         * real.c (real_from_string): Also set last bit if there is a
8247         nonzero hex digit beyond GCC's internal precision after ".".
8248
8249 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8250
8251         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8252         define_constants.  Change duplicate values to unassigned numbers.
8253         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8254         (*altivec_vspltsf): New.
8255         (altivec_vperm_v4sf): Delete.
8256         (altivec_vperm_<mode>): Use mode macro V.
8257         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8258         (altivec_predicate_v4sf): Delete.
8259         (altivec_predicate_<mode>): Use mode macro V.
8260         (*altivec_lvesfx): New.
8261         (*altivec_stvesfx): New.
8262         (vec_realign_load_v4sf): Delete.
8263         (vec_realign_load_<mode>): Use mode macro V.
8264         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8265         UNSPECV_SET_VRSAVE.
8266
8267 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8268
8269         PR bootstrap/23131
8270         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8271         string.
8272         * configure: Regenerated.
8273
8274 2005-07-29  Paul Brook  <paul@codesourcery.com>
8275
8276         * doc/install.texi: Add link to GFortran binaries wiki page.
8277
8278 2005-07-29  David Ung  <davidu@mips.com>
8279
8280         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8281         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8282         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8283         * config/mips/mips.md (cpu): Add 5kf name.
8284         (includes): Includes 5k.md.
8285         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8286         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8287         -march flag.
8288
8289 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8290
8291         PR 22550
8292         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8293         (cleanup_tree_cfg): ... here.
8294         Call cleanup_tree_cfg_1 until there are no more cleanups to
8295         do.
8296
8297 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8298
8299         * tree-vrp.c (compare_range_with_value): Return true or false
8300         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8301         EQ_EXPR respectively.
8302
8303 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8304
8305         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8306         Fix comment typos.
8307
8308 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8309
8310         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8311         (tree_ssa_dominator_optimize): Increment it.
8312         (dump_dominator_optimization_stats): Print it.
8313
8314 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8315             Steven Bosscher  <stevenb@suse.de>
8316
8317         PR rtl-optimization/23117
8318         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8319         when head == tail.  Tidy comment.
8320
8321 2005-07-28  Richard Henderson  <rth@redhat.com>
8322
8323         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8324         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8325         * jump.c (rtx_renumbered_equal_p): Likewise.
8326         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8327         CONST_INT and CONST_DOUBLE.
8328         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8329         * reload.c (operands_match_p): Special case CONST_INT and
8330         CONST_DOUBLE; check mode earlier.
8331
8332 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8333
8334         PR c/22240
8335         * c-typeck.c (convert_for_assignment): Do not check
8336         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8337
8338 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8339
8340         PR c/22192
8341         * c-typeck.c (composite_type): Prefer constant size arrays to
8342         VLAs.
8343
8344 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8345
8346         PR c/21720
8347         * real.c (real_from_string): Set last bit if there is a nonzero
8348         hex digit beyond GCC's internal precision.
8349
8350 2005-07-28  Richard Henderson  <rth@redhat.com>
8351
8352         PR rtl-opt/22619
8353         * cfgcleanup.c (try_forward_edges): Watch out for end of
8354         insn chain.
8355
8356 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8357
8358         PR c/23106
8359         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8360
8361 2005-07-28  Jan Hubicka  <jh@suse.cz>
8362
8363         * Makefile.in (rtl-profile.o): Kill all traces of it.
8364         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8365         * coverage.h (rtl_coverage_counter_ref): Kill.
8366         * opts.c (flag_speculative_prefetching_set): Kill.
8367         (flag_loop_optimize_set): New.
8368         (common_handle_option): Disable loop optimizer when profiling;
8369         do not handle speculative prefetching.
8370         * passes.c (init_optimization_passes): Replace pass_profiling combo
8371         by branch_prob pass.
8372         * profile.c (compute_value_histograms): Update for simplified value
8373         profiles.
8374         (rtl_register_profile_hooks): Kill.
8375         (pass_profiling): Kill.
8376         (rest_of_handle_branch_prob): Do not profile.
8377         * toplev.c (process_options): Remove speculative prefetching.
8378         * toplev.h (flag_tree_based_profiling): Kill.
8379         * tree-profile.c (prepare_instrumented_value,
8380         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8381         tree_gen_one_value_profiler, do_tree_profiling): Update for
8382         simplified datastructures.
8383         * value-prof.c: Add comment that speculative prefetching was dropped;
8384         update rest of file for simplified datastructures.
8385         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8386         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8387         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8388         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8389         rtl_mod_subtract, gen_speculative_prefetch,
8390         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8391         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8392         (gate_handle_value_profile_transformations,
8393         rest_of_handle_value_profile_transformations,
8394         pass_value_profile_transformations): Kill.
8395         * value-prof.h (histogram_value_t): Remove IL based unions.
8396         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8397         rtl_profile_hooks): Remove hooks.
8398
8399         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8400
8401         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8402         (cgraph_clone_node): Likewise.
8403         * cgraph.h (cgraph_clone_edge): Update prototype.
8404         (cgraph_clone_node): Likewise.
8405         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8406         cgraph_clone_node.
8407         (lookup_recursive_calls): Consider profile.
8408         (cgraph_decide_recursive_inlining): Fix updating; use new
8409         probability argument; use profile.
8410         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8411         * tree-inline.c (copy_bb): Update clal of clone_edge.
8412         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8413
8414         * invoke.texi (min-inline-recursive-probability): Document.
8415
8416 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8417
8418         * doc/install.texi (Configuration): Update Valgrind homepage.
8419
8420 2005-07-28  Richard Henderson  <rth@redhat.com>
8421
8422         PR middle-end/21362
8423         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8424         labels we want to delete.
8425         (cfg_layout_merge_blocks): Likewise.
8426
8427 2005-07-28  Richard Henderson  <rth@redhat.com>
8428
8429         PR target/17692
8430         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8431         when expanding to nothing.
8432
8433 2005-07-28  Josh Conner  <jconner@apple.com>
8434
8435         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8436         (cgraph_decide_inlining_of_small_functions): Likewise.
8437
8438 2005-07-28  Josh Conner  <jconner@apple.com>
8439
8440         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8441         direction of badness if negative.
8442         (cgraph_default_inline_p): Add reason to parameters, and assign it
8443         a value.
8444         (cgraph_decide_inlining_of_small_functions): New parameter in call
8445         to cgraph_default_inline_p.
8446         (cgraph_decide_inlining_incrementally): Likewise.
8447         * cgraphunit.c (decide_is_function_needed): Likewise.
8448         * cgraph.h (cgraph_default_inline_p): Likewise.
8449
8450 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8451
8452         * builtins.c: Fix comment typo(s).
8453         * genautomata.c: Likewise.
8454         * gimplify.c: Likewise.
8455         * tree-dfa.c: Likewise.
8456         * tree-flow-inline.h: Likewise.
8457         * tree-into-ssa.c: Likewise.
8458         * tree-ssa-alias.c: Likewise.
8459         * tree-ssa-ccp.c: Likewise.
8460         * tree-ssa-copy.c: Likewise.
8461         * tree-ssa-dce.c: Likewise.
8462         * tree-ssa-dom.c: Likewise.
8463         * tree-ssa-operands.c: Likewise.
8464         * tree-tailcall.c: Likewise.
8465         * tree-vectorizer.c: Likewise.
8466         * tree-vrp.c: Likewise.
8467         * tree.c: Likewise.
8468
8469 2005-07-28  Jeff Law  <law@redhat.com>
8470
8471         * tree-vrp.c (test_for_singularity): Extracted from  ...
8472         (simplify_cond_using_ranges): Attempt to simplify a relational
8473         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8474
8475 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8476
8477         PR tree-optimization/22506
8478         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8479         phis whose argument is constant.
8480
8481 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8482
8483         PR rtl-optimization/18992
8484         Back out this patch:
8485           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8486           PR optimization/12142
8487           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8488           uses of the register in the SET_SRC.  Remove unnecessary argument.
8489
8490         Replace it with this:
8491         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8492         if flag_non_call_exceptions is set and the insn may trap, pass
8493         pc_rtx as dest for recursion.
8494         In SET_SRC part of SET case, if dest is already set, pass it down
8495         unchanged.
8496
8497 2005-07-28  Jan Hubicka  <jh@suse.cz>
8498
8499         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8500         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8501         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8502         roundoff errors.
8503         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8504         profile when available.
8505
8506 2005-07-28  Jan Beulich <jbeulich@novell.com>
8507
8508         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8509         (ia64_print_operand): Describe and handle 'X'.
8510         (ia64_register_move_cost): Also handle FP_REGS.
8511         (ia64_preferred_reload_class): Likewise.
8512         (ia64_secondary_reload_class): Likewise.
8513         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8514         it. Also check for ITANIUM_CLASS_FLDP.
8515         * config/ia64/ia64.h (FP_REGNO_P): New.
8516         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8517         (reg_class): Add FP_REGS.
8518         (REG_CLASS_NAMES): Adjust for it.
8519         (REG_CLASS_CONTENTS): Likewise.
8520         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8521         (REG_CLASS_FROM_LETTER): Handle 'x'.
8522         (CLASS_MAX_NREGS): Handle FP_REGS.
8523         (MEMORY_MOVE_COST): Likewise.
8524         * config/ia64/ia64.md (itanium_class): Add fldp.
8525         (type): Handle fldp.
8526         (movti_internal): More allowable operand combinations. Use ldfp8 when
8527         splitting unnecessary. Remove predicable attribute. Adjust
8528         itanium_class attribute.
8529         (smuldi3_highpart): Remove outdated comment.
8530         (mulditi3, umulditi3, rotlti3): New expanders.
8531         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8532         (absti2): Disabled new insn for future reference.
8533         Respective new splitters.
8534         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8535         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8536         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8537
8538 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8539
8540         PR rtl-optimization/23047
8541         * simplify-rtx.c (simplify_const_relational_operation): Respect
8542         flag_wrapv for comparisons with ABS.
8543
8544 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8545
8546         PR tree-optimization/22493
8547         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8548         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8549
8550 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8551
8552         * config/frv/frv.opt (moptimize-membar): New.
8553
8554         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8555
8556         * config/frv/frv.h: Remove machine_function definition.
8557
8558         * config/frv/frv.c (struct frv_io): New.
8559         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8560         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8561         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8562         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8563         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8564         (frv_reorg): Call frv_optimize_membar when appropriate.
8565         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8566         (frv_expand_builtin): Adjust calls accordingly.
8567         (frv_io_address_cookie): New function.
8568         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8569         load or store rather than a special insn.  Add ccnstant address and
8570         io-type operands to the membar.
8571         (frv_ifcvt_modify_tests): Unsign regno.
8572         (frv_ifcvt_modify_tests): Same.
8573
8574         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8575         UNSPEC_OPTIONAL_MEMBAR constant.
8576         (builtin_read_<mode>): Delete.
8577         (builtin_write_<mode>): Delete.
8578         ("optional_membar_<mode>"): Add operand.
8579
8580         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8581         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8582         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8583         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8584         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8585         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8586         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8587         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8588         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8589
8590 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8591
8592         * df.c (df_uses_record): Handle SCRATCH.
8593
8594 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8595
8596         PR debug/20161
8597         * passes.c (rest_of_decl_compilation): If decl is a type and
8598         we have encountered errors, don't emit debug information.
8599
8600 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8601
8602         * params.def: Fixed comment.
8603
8604 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8605
8606         PR target/19885
8607         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8608         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8609         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8610
8611 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8612
8613         PR c++/22003
8614         * varasm.c (assemble_start_function): Don't do anything that may
8615         require a CFG if the current function is a thunk.
8616
8617 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8618
8619         * doc/install.texi (Prerequisites): Mention that perl is needed
8620         to do export control in libstdc++ targetting Darwin.
8621
8622 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8623
8624         PR rtl-optimization/17808
8625         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8626         (sched_insns_conditions_mutex_p): Split out from...
8627         (add_dependence): ...here.  But don't call it from here.
8628         (add_dependence_list): Check sched_insns_conditions_mutex_p
8629         before calling add_dependence.
8630         (add_dependence_list_and_free): Likewise.
8631         (fixup_sched_groups): Likewise.
8632         (sched_analyze_1): Likewise.
8633         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8634         (sched_analyze): Likewise.
8635         (sched_analyze_insn): Likewise.
8636         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8637         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8638         dependencies on all COND_EXEC insns to jumps ending basic blocks
8639         when doing intrablock scheduling.
8640         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8641
8642 2005-07-27  Jeff Law  <law@redhat.com>
8643
8644         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8645         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8646         equivalency sets, correctly handle the case were vr0 has an
8647         equivalency set, but vr1 does not.
8648
8649 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8650
8651         PR tree-optimization/23073
8652         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8653         vect_print_dump_info before fprintf.
8654
8655 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8656
8657         PR tree-optimize/22348
8658         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8659         Fold the partial computation.
8660
8661 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8662
8663         PR tree-optimization/22325
8664         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8665         Declare.
8666         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8667         value replacement.
8668         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8669         (force_var_cost): ... this function.
8670         (compute_phi_arg_on_exit): Export.
8671
8672 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8673
8674         PR tree-optimization/20773
8675         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8676         edge.
8677
8678 2005-07-27  Richard Guenther  <rguenther@suse.de>
8679
8680         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8681         Avoid pushing again if current struct contains only
8682         fields we decomposed.
8683
8684 2005-07-27  Jan Hubicka  <jh@suse.cz>
8685
8686         PR tree-optimization/22574
8687         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8688         not available.
8689
8690         * tree-tailcall.c (decrease_profile): New function.
8691         (eliminate_tail_call): Use it.
8692
8693         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8694         visibility flags correctly in whole program mode.
8695
8696 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8697
8698         PR rtl-optimization/22472
8699         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8700
8701 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8702
8703         PR tree-optimization/22504
8704         * tree-complex.c (expand_complex_addition): Use 'code' instead
8705         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8706
8707 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8708
8709         * config.gcc (cpu_type): Add frv case.
8710         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8711         (supported_defaults): Add fr550 case.
8712
8713 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8714
8715         PR 22591
8716         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8717         whether a pointer of type T * may point to objects of type T *.
8718
8719 2005-07-26  DJ Delorie  <dj@redhat.com>
8720
8721         * configure: Regenerate.
8722
8723 2005-07-26  Dale Johannesen  <dalej@apple.com>
8724
8725         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8726
8727 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8728
8729         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8730         Clarify use of "build" in name.
8731
8732 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8733
8734         * doc/extend.texi (Raw read/write Functions): New section.
8735         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8736         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8737         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8738         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8739         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8740         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8741         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8742         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8743         * config/frv/frv.c: Add bdesc_loads global.
8744         Add bdesc_stores global.
8745         (frv_init_builtins): Add support for __builtin_{read/write}*.
8746         (frv_volatile_memref): New.
8747         (frv_expand_load_builtin): New.
8748         (frv_expand_store_builtin): New.
8749         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8750         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8751         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8752         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8753         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8754         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8755         (builtin_read_<mode>): New.
8756         (builtin_write_<mode>): New.
8757         (builtin_write64): New.
8758         (optional_membar_<mode>): New.
8759
8760 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8761
8762         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8763         (rather than units) against HOST_BITS_PER_WIDE_INT.
8764
8765 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8766
8767         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8768         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8769         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8770         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8771         FSF address.
8772
8773         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8774         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8775         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8776         comment typos.
8777         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8778
8779 2005-07-26  Richard Guenther  <rguenther@suse.de>
8780
8781         PR tree-optimization/22486
8782         * fold-const.c (fold_unary): Fold away useless component
8783         references of the form (T *)&T.x, if the address
8784         doesn't change.
8785
8786 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8787
8788         * dwarf2out.c (add_call_src_coords_attributes): New.
8789         (gen_inlined_subroutine_die): Call it.
8790         (maybe_emit_file, init_file_table): Add comments.
8791         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8792         maybe_emit_file.
8793         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8794         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8795         * tree.h (BLOCK_SOURCE_LOCATION): New.
8796         (struct tree_block): New field locus.
8797
8798 2005-07-26  Andreas Schwab  <schwab@suse.de>
8799
8800         PR rtl-optimization/23043
8801         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8802         when allocating a struct unoccr.
8803
8804 2005-07-25  Richard Henderson  <rth@redhat.com>
8805
8806         PR 22626
8807         * tree-complex.c (gate_no_optimization): True if errors.
8808         * Makefile.in (tree-complex.o): Update dependencies.
8809
8810 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8811
8812         * config/frv/predicates.md (integer_register_operand): Use
8813         GPR_AP_OR_PSEUDO_P.
8814
8815 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8816
8817         PR tree-opt/22484
8818         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8819         after fold.
8820         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8821
8822 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8823
8824         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8825         types when flag_unsafe_math_optimizations is true.
8826
8827 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8828
8829         * gcc.c (option_map): Add --sysroot.
8830         (process_command): Handle --sysroot.
8831         (display_help): Document it.
8832         * doc/cppopts.tex (-isysroot): Document.
8833         * doc/invoke.texi (--sysroot): Document.
8834         * doc/install.texi (--with-build-sysroot): Document.
8835
8836         * Makefile.in (inhibit_libc): New variable.
8837         (INHIBIT_LIBC_CFLAGS): Likewise.
8838         (LIBGCC2_CFLAGS): Include
8839         $(INHIBIT_LIBC_CFLAGS).
8840         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8841         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8842         ($(T)crtend.o): Likewise.
8843         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8844         ($(T)crtendS.o): Likewise.
8845         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8846         ($(T)crtendT.o): Likewise.
8847         (stmp-fixinc): Do not complain about missing headers if
8848         inhibit_libc.
8849         * configure.ac (inhibit_libc): Set it to true/false.
8850         (--with-build-sysroot): New option.  Use it to set
8851         SYSTEM_HEADER_DIR.
8852         * configure: Regenerated.
8853
8854 2005-07-25  Manfred Hollstein  <mh@suse.com>
8855
8856         * calls.c (store_one_arg): Fix unsigned comparison warning.
8857
8858 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8859
8860         PR other/22337
8861         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8862         (ggc_print_statistics): Initialize variable before use.
8863
8864 2005-07-25  Richard Guenther  <rguenther@suse.de>
8865
8866         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8867         calling with a PHI_NODE argument.
8868
8869         * tree-flow-inline.h (overlap_subvar): Protect against
8870         possible overflow.
8871
8872 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8873
8874         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8875         * configure: Regenerate.
8876
8877 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8878
8879         * expr.c (highest_pow2_factor): Make extern.
8880         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8881         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8882         record_array_differ_p, array_ptr_differ_p): Likewise.
8883         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8884         additional cases. Call the above functions.
8885         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8886         base_object_differ_p when there are two base objects. Otherwise, compare
8887         base address and offset. Call may_alias_p.
8888         (dump_data_reference): Use a correct field name.
8889         (analyze_array): Make static. Initialize new data-ref fields.
8890         (analyze_indirect_ref): New function.
8891         (init_data_ref): Initialize new data-ref fields.
8892         (strip_conversion): Moved from tree-vect-analyze.c.
8893         (analyze_offset_expr, get_ptr_offset, address_analysis,
8894         object_analysis): Likewise.
8895         (analyze_offset): New function.
8896         (create_data_ref): Likewise.
8897         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8898         dimensions for ARRAY_REFs only.
8899         (build_classic_dist_vector): Make static.
8900         (access_functions_are_affine_or_constant_p): Call macro to get the
8901         address of access functions.
8902         (compute_all_dependences): Add new parameter
8903         compute_self_and_read_read_dependences. Compute self and read-read
8904         dependences if it is true.
8905         (find_data_references_in_loop): Call create_data_ref. Initialize new
8906         data-ref fields.
8907         (compute_data_dependences_for_loop): Add new parameter
8908         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8909         compute nb_loops. Call compute_all_dependences,
8910         build_classic_dist_vector and build_classic_dir_vector with correct
8911         parameters.
8912         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8913         with correct parameters. Compare dimensions for ARRAY_REFs only.
8914         (free_data_refs): Call macro to free access functions.
8915         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8916         fields from stmt_vinfo.
8917         (struct base_object_info): New structure.
8918         (struct data_reference): Move fields to base_object_info. Add fields
8919         first_location and object_info for above structures. Move fields from
8920         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8921         aligned_to.  Add macros to access the new fields.
8922         Update functions declarations.
8923         * tree-flow.h (is_aliased_with): Declare.
8924         * tree-loop-linear.c (linear_transform_loops): Call
8925         compute_data_dependences_for_loop with correct parameters.
8926         * tree-ssa-alias.c (is_aliased_with): New function.
8927         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8928         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8929         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8930         vect_base_addr_differ_p, compute_subscript_distance and
8931         build_classic_dist_vector. Add printings. Check absolute value of
8932         distance.
8933         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8934         data-refs.
8935         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8936         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8937         to bytes. Add printing.
8938         (vect_compute_data_refs_alignment): Go through loads and stores in one
8939         loop.
8940         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8941         vect_analyze_data_ref_access): Likewise.
8942         (vect_analyze_pointer_ref_access): Remove.
8943         (vect_address_analysis, vect_object_analysis): Likewise.
8944         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8945         and analyze data-refs in the loop.
8946         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8947         fields of data-ref instead of stmt. Add init to the offset from the
8948         base.
8949         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8950         (vect_update_init_of_dr): Likewise.
8951         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8952         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8953         removed fields.
8954         (new_loop_vec_info): Initialize new fields.
8955         (destroy_loop_vec_info): Free new fields.
8956         (vect_strip_conversion): Remove.
8957         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8958         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8959         datarefs. Add new field ddrs.
8960         Add macros for the new fields access.
8961         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8962         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8963         Remove their macros.
8964         * tree.h (highest_pow2_factor): Declare.
8965
8966 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8967
8968         * calls.c (store_one_arg): Check for sibling call MEM arguments
8969         from already clobbered incoming argument area.
8970
8971 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8972
8973         * c-common.c (check_missing_format_attribute): New.
8974         * c-common.h (check_missing_format_attribute): Likewise.
8975         * c-typeck.c (convert_for_assignment): Use it.
8976
8977 2005-07-24  Andreas Schwab  <schwab@suse.de>
8978
8979         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8980         register use a word move.  Correct operand of ext.w in 68000 code.
8981
8982 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8983
8984         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8985         variables as declarations, rather than definitions.
8986
8987 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8988
8989         PR tree-optimization/22526
8990         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8991         of the zero node.
8992
8993 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8994
8995         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8996         that C99 reserve for future use. Use it to define clog10,
8997         clog10f and clog10l.
8998
8999 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9000
9001         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9002         * configure.ac: Check for -Wmissing-format-attribute.
9003
9004         * configure: Regenerate.
9005
9006 2005-07-23  Richard Henderson  <rth@redhat.com>
9007
9008         PR tree-optimization/22623
9009         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9010
9011 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9012
9013         PR target/22577
9014         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9015
9016 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9017
9018         * Makefile.in (C_TREE_H): Update dependencies.
9019         * c-tree.h: Include toplev.h.
9020         * diagnostic.h (diagnostic_set_info): Add format attribute.
9021         * rtl-error.c (diagnostic_for_asm): Likewise.
9022
9023 2005-07-23  Chao-ying Fu  <fu@mips.com>
9024
9025         * config/mips/mips-dsp.md: New file.
9026         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9027         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9028         functions.
9029         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9030         MIPS_BUILTIN_BPOSGE32.
9031         (mips_expand_builtin_direct): Add one parameter to indicate that
9032         builtin functions need to return a value.
9033         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9034         functions.
9035         (mips_regno_to_class): Add classes for 12 new DSP registers.
9036         (mips_subword): Change to check four HI registers.
9037         (mips_output_move): Output move to and from 6 new DSP accumulators.
9038         (override_options): Make sure -mdsp and -mips16 are not used together.
9039         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9040         for machine modes.
9041         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9042         when !TARGET_DSP.
9043         (print_operand): Add 'q' for printing DSP accumulators.
9044         (mips_cannot_change_mode_class): Check ACC_REGS.
9045         (mips_secondary_reload_class): Check ACC_REGS.
9046         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9047         (mips_register_move_cost): Check ACC_REGS.
9048         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9049         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9050         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9051         (dsp_bdesc): New array.
9052         (bdesc_arrays): Add DSP builtin function table.
9053         (mips_prepare_builtin_arg): Check predicate again after
9054         copy_to_mode_reg.
9055         (mips_expand_builtin): Add one more parameter to
9056         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9057         MIPS_BUILTIN_BPOSGE32.
9058         (mips_init_builtins): Initialize new function types.
9059         (mips_expand_builtin_direct): Check if builtin functions need to
9060         return a value and pass operands properly.
9061         (mips_expand_builtin_bposge): New function.
9062         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9063         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9064         (FIRST_PSEUDO_REGISTER): Increase to 188.
9065         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9066         Update for 12 new DSP registers.
9067         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9068         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9069         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9070         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9071         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9072         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9073         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9074         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9075         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9076         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9077         (REGISTER_NAMES): Add names for 12 new DSP registers.
9078         * config/mips/mips.md: Include mips-dsp.md.
9079         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9080         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9081         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9082         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9083         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9084         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9085         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9086         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9087         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9088         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9089         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9090         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9091         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9092         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9093         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9094         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9095         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9096         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9097         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9098         (UNSPEC_RDDSP): New constants.
9099         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9100         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9101         A<-d alternative.
9102         * config/mips/mips.opt (-mdsp): New option.
9103         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9104         (reg_imm10_operand): New predicates.
9105         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9106         * doc/invoke.texi (-mdsp): Document new option.
9107
9108 2005-07-22  DJ Delorie  <dj@redhat.com>
9109
9110         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9111         to warning calls.
9112         * tree-inline.c (inlinable_function_p): Likewise.
9113
9114 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9115
9116         PR debug/21828
9117         * toplev.c (check_global_declarations): Do not mark undefined
9118         variables as DECL_IGNORED_P.
9119         * varasm.c (first_global_object_name): GTY it.
9120         (weak_global_object_name): Likewise.
9121         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9122         a string to go into {weak,first}_global_object_name.
9123
9124 2005-07-22  DJ Delorie  <dj@redhat.com>
9125
9126         * c-format.c (check_function_format): Change warning control
9127         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9128
9129 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9130
9131         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9132         &PTR->FLD a dereference of PTR.
9133         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9134         a potential dereference of PTR.
9135
9136 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9137
9138         PR rtl-optimization/20370
9139         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9140         call allocate_reg_info if necessary.
9141
9142         PR rtl-optimization/21848
9143         * calls.c (emit_library_call_value_1): For const functions, add
9144         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9145
9146         PR rtl-optimization/22445
9147         * cselib.c (target.h): Include.
9148         (rtx_equal_for_cselib_p): Allow commutative matches.
9149         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9150         Remove MODE parameter.  Changed all callers.
9151
9152         PR rtl-optimization/22258
9153         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9154         New functions.
9155         (try_combine): Use likely_spilled_retval_p.
9156
9157 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9158
9159         * config.gcc: Add crx-elf support.
9160
9161         * doc/contrib.texi: Mention crx.
9162         * doc/extend.texi: Document crx extensions.
9163         * doc/install.texi: Document crx install.
9164         * doc/invoke.texi: Document crx options.
9165         * doc/md.texi: Document crx constraints.
9166
9167         * config/crx/crx-protos.h: New file.
9168         * config/crx/crx.c: New file.
9169         * config/crx/crx.h: New file.
9170         * config/crx/crx.md: New file.
9171         * config/crx/crx.opt: New file.
9172         * config/crx/t-crx: New file.
9173
9174 2005-07-22  Manfred Hollstein  <mh@suse.com>
9175
9176         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9177         warnings.
9178         (int_add_graph_edge): Likewise.
9179         (collapse_nodes): Likewise.
9180         (process_unification_queue): Likewise.
9181
9182 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9183             Laurent GUERBY  <laurent@guerby.net>
9184
9185         PR tree-optimization/22336
9186         * function.c (record_block_change): Check for
9187         cfun->ib_boundaries_block.
9188
9189 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9190
9191         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9192         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9193
9194 2005-07-21  DJ Delorie  <dj@redhat.com>
9195
9196         * toplev.c (warn_deprecated_use): Add warning control to warning
9197         call.
9198         * c-typeck.c (parser_build_binary_op): Likewise.
9199         (c_finish_if_stmt): Likewise.
9200         * c-common.c (check_function_sentinel): Likewise.
9201         (check_nonnull_arg): Likewise.
9202
9203 2005-07-21  Richard Henderson  <rth@redhat.com>
9204
9205         PR tree-opt/22504
9206         * tree-complex.c (complex_ssa_name_components): New.
9207         (cvc_lookup): Allow entry not found.
9208         (create_components): Remove.
9209         (create_one_component_var, get_component_var): New.
9210         (get_component_ssa_name, set_component_ssa_name): New.
9211         (extract_component): Use get_component_ssa_name.
9212         (update_complex_components): Use set_component_ssa_name.
9213         (update_complex_components_on_edge): Likewise.
9214         (update_phi_components): Create new PHI nodes directly, instead
9215         of adding insns to edges.
9216         (tree_lower_complex): Allocate and free complex_variable_components
9217         and complex_ssa_name_components here.
9218
9219 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9220
9221         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9222         revert to returning false.
9223
9224 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9225
9226         PR target/21149
9227         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9228
9229 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9230
9231         PR target/22576
9232         * config/i386/i386.md (cmpxf): Change operand constraints
9233         to "nonmemory_operand".
9234
9235 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9236
9237         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9238
9239 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9240
9241         PR middle-end/21180
9242         * fold-const.c (fold_build1): Add checksum for the operands.
9243         (fold_build2): Likewise.
9244         (fold_build3): Likewise.
9245
9246 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9247
9248         PR middle-end/19055
9249         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9250
9251 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9252
9253         * common.opt (-fforward-propagate): Committed by mistake,
9254         removed.
9255
9256 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9257
9258         * reg-stack.c: Fix comment typo(s).
9259         * tree-ssa-operands.c: Likewise.
9260         * tree-vectorizer: Likewise.
9261
9262 2005-07-21  Nick Clifton  <nickc@redhat.com>
9263
9264         * config/sh/symbian.c: Replace C++ style line comments with C
9265         style line comments.
9266         (symbian_add_attribute): Do not use a ? operator on the LHS of
9267         an assignment.
9268         (sh_symbian_handle_dll_attribute): Change the type of the
9269         method vector to "VEC(tree,gc)*" and use vector accessor
9270         macros to walk over the elements.
9271         (symbian_export_vtable_and_rtti_p): Likewise.
9272         (symbian_class_needs_attribute_p): Likewise.
9273
9274 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9275
9276         PR target/22085
9277         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9278         initialize targetm.resolve_overloaded_builtin here.
9279         (altivec_expand_overloaded_builtin): Make it non-static.
9280         * config/rs6000/rs6000-protos.h
9281         (altivec_expand_overloaded_builtin): New prototype.
9282         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9283         targetm.resolve_overloaded_builtin here.
9284         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9285
9286 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9287             Zdenek Dvorak  <dvorakz@suse.cz>
9288
9289         PR tree-optimization/19210
9290         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9291         New.
9292         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9293         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9294         rely on unproven assumptions.
9295         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9296         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9297         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9298         to number_of_iterations_exit.
9299         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9300         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9301         * tree-ssa-loop-niter.c (find_loop_niter,
9302         estimate_numbers_of_iterations_loop): Likewise.
9303         (number_of_iterations_exit): Honor the new options.
9304         * doc/invoke.texi (Wunsafe-loop-optimizations,
9305         funsafe-loop-optimizations): Document them.
9306
9307 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9308
9309         PR rtl-optimization/22167
9310         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9311
9312 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9313
9314         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9315         __do_global_dtors_aux longcall.
9316
9317 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9318
9319         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9320         (old_special_pred_table): Don't reference
9321         SPECIAL_MODE_PREDICATES.
9322         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9323         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9324         * config/sh/predicates.h: Don't mention
9325         SPECIAL_MODE_PREDICATES.
9326         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9327         Remove.
9328
9329 2005-07-20  DJ Delorie  <dj@redhat.com>
9330
9331         * config.gcc: Add m32c-elf support.
9332
9333         * doc/contrib.texi: Mention m32c.
9334         * doc/extend.texi: Document m32c extensions.
9335         * doc/install.texi: Mention m32c.
9336         * doc/invoke.texi: Document m32c options.
9337         * doc/md.texi: Document m32c constraints.
9338
9339         * config/m32c/addsub.md: New file.
9340         * config/m32c/bitops.md: New file.
9341         * config/m32c/cond.md: New file.
9342         * config/m32c/jump.md: New file.
9343         * config/m32c/m32c-lib1.S: New file.
9344         * config/m32c/m32c-lib2.c: New file.
9345         * config/m32c/m32c-modes.def: New file.
9346         * config/m32c/m32c-pragma.c: New file.
9347         * config/m32c/m32c-protos.h: New file.
9348         * config/m32c/m32c.abi: New file.
9349         * config/m32c/m32c.c: New file.
9350         * config/m32c/m32c.h: New file.
9351         * config/m32c/m32c.md: New file.
9352         * config/m32c/m32c.opt: New file.
9353         * config/m32c/minmax.md: New file.
9354         * config/m32c/mov.md: New file.
9355         * config/m32c/muldiv.md: New file.
9356         * config/m32c/predicates.md: New file.
9357         * config/m32c/prologue.md: New file.
9358         * config/m32c/shift.md: New file.
9359         * config/m32c/t-m32c: New file.
9360
9361 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9362
9363         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9364         (stack_protect_set, stack_protect_test): New expanders.
9365         (stack_protect_set_si, stack_protect_set_si_media,
9366         stack_protect_set_di_media, stack_protect_test_si,
9367         stack_protect_test_si_media, stack_protect_test_di_media):
9368         New insns.
9369
9370 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9371
9372         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9373
9374 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9375
9376         * tree.h (tree_expr_nonzero_p): Export.
9377         * fold-const.c (tree_expr_nonzero_p): Likewise.
9378         Return true for CALL_EXPRs that are alloca calls.
9379         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9380         against zero.
9381         * tree-flow.h (expr_computes_nonzero): Remove.
9382         * tree-vrp.c (expr_computes_nonzero): Remove.
9383         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9384         (extract_range_from_unary_expr): Likewise.
9385         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9386         tree_expr_nonzero_p.
9387
9388 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9389
9390         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9391         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9392         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9393         All callers changed.
9394         (frame_related_constant_load): New arg "related" which controls
9395         setting of RTX_FRAME_RELATED_P.  All callers changed.
9396         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9397         (bfin_expand_prologue): Add stack limit checking.
9398         * config/bfin/bfin.md (trapifcc): New pattern.
9399
9400         * config/bfin/bfin.c: Include "langhooks.h".
9401         (def_builtin): Go through lang_hooks to call builtin_function.
9402
9403         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9404         * config/bfin/predicates.md (symbol_ref_operand): New.
9405         (call_insn_operand): Delete.  All callers changed to use
9406         register_no_elim_operand.
9407         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9408         call_cookie field.
9409         (function_arg): Use it to generate the call's operand 2.
9410         (bfin_longcall_p): New function.
9411         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9412         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9413         determine if the address needs to be in a REG.
9414         (bfin_handle_longcall_attribute): New function.
9415         (bfin_attribute_table): Add "longcall" and "shortcall".
9416         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9417         (CUMULATIVE_ARGS): New member call_cookie.
9418         (PREDICATE_CODES): Add symbol_ref_operand.
9419         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9420         extra USE to the pattern.
9421         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9422         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9423         sibcall_value_insn; now the new patterns handle direct calls and the
9424         old ones indirect calls.
9425         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9426
9427 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9428
9429         * doc/trouble.texi: Update section on handling of empty loops.
9430
9431 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9432
9433         * config.gcc: Remove support for sparc-*-openbsd*,
9434         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9435         ns32k-*-netbsd*.
9436         * config.host: Remove support for i860-*-sysv4* as a host.
9437         * config/i860/*, config/ip2k/*, config/ns32k/*,
9438         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9439         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9440         mention obsolete ports.
9441
9442 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9443
9444         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9445         soft frame pointer.
9446         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9447         of frame_pointer_rtx.
9448         (sh_expand_epilogue): Likewise.
9449         (sh_set_return_address): Likewise.
9450         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9451         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9452         offsets from FRAME_POINTER_REGNUM.
9453         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9454         (sh_register_names): Add initializer for sfp.
9455         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9456         (VALID_REGISTER_P): Likewise.
9457         (FIRST_PSEUDO_REGISTER): Update.
9458         (DWARF_FRAME_REGISTERS): Define.
9459         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9460         (HARD_FRAME_POINTER_REGNUM): Define.
9461         (FRAME_POINTER_REGNUM): Redefine.
9462         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9463         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9464         from FRAME_POINTER_REGNUM.
9465         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9466         FRAME_POINTER_REGNUM.
9467         (REG_CLASS_CONTENTS): Add sfp.
9468         (REG_ALLOC_ORDER): Likewise.
9469         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9470         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9471         of frame_pointer_rtx.
9472         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9473
9474 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9475
9476         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9477         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9478         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9479         of an ABS_EXPR.
9480         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9481         ABS_EXPR<x>.
9482
9483 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9484
9485         Make CONSTRUCTOR use VEC to store initializers.
9486         * c-common.c (complete_array_type): Update to cope with VEC in
9487         CONSTRUCTOR_ELTS.
9488         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9489         (pp_c_constructor_elts): New function.
9490         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9491         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9492         struct constructor_stack, struct initializer_stack,
9493         constructor_elements, push_init_level, pop_init_level,
9494         add_pending_init, find_init_member, output_init_element): Update to
9495         cope with VEC in CONSTRUCTOR_ELTS.
9496         * coverage.c (build_fn_info_value, build_ctr_info_value,
9497         build_gcov_info): Likewise.
9498         * expr.c (categorize_ctor_elements_1, store_constructor,
9499         expand_expr_real_1): Likewise.
9500         * fold-const.c (fold_ternary): Likewise.
9501         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9502         gimplify_init_constructor, gimplify_expr): Likewise.
9503         * tree-dump.c (dequeue_and_dump): Likewise.
9504         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9505         node.
9506         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9507         CONSTRUCTOR_ELTS.
9508         * tree-sra.c (generate_element_init_1): Likewise.
9509         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9510         * tree-ssa-operands.c (get_expr_operands): Likewise.
9511         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9512         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9513         (get_initial_def_for_reduction): Likewise.
9514         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9515         value handle in annotations.
9516         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9517         tree_node_structure): Add support for constr_kind.
9518         (build_vector_from_ctor, build_constructor_single,
9519         build_constructor_from_list): New functions.
9520         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9521         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9522         Update to cope with VEC in CONSTRUCTOR_ELTS.
9523         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9524         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9525         CONSTRUCTOR_APPEND_ELT): New macros.
9526         (struct constructor_elt, struct tree_constructor): New data types.
9527         (union tree_node): Add tree_constructor field.
9528         * treestruct.def: Define TS_CONSTRUCTOR.
9529         * varasm.c (const_hash_1, compare_constant, copy_constant,
9530         compute_reloc_for_constant, output_addressed_constants,
9531         initializer_constant_valid_p, output_constant,
9532         array_size_for_constructor, output_constructor): Update to cope with
9533         VEC in CONSTRUCTOR_ELTS.
9534         * vec.h (VEC_empty, VEC_copy): New macros.
9535
9536 2005-07-19  Devang Patel  <dpatel@apple.com>
9537
9538         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9539
9540 2005-07-19  Richard Henderson  <rth@redhat.com>
9541
9542         PR tree-opt/22278
9543         * gimplify.c (gimplify_expr): Use main variant type for the temp
9544         destination for a discarded volatile read.
9545         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9546         casts between non-void types that change volatility.
9547
9548 2005-07-15  DJ Delorie  <dj@redhat.com>
9549
9550         * toplev.h: Add comment about the first parameter for warning().
9551         * errors.h: Likewise.
9552
9553         * c.opt (Wpragmas): New.
9554         * doc/invoke.texi: Document it.
9555
9556         * function.c (do_warn_unused_parameter): Add warning control to
9557         warning call.
9558         * c-decl.c (warn_if_shadowing): Likewise.
9559         * c-lex.c (cb_def_pragma): Likewise.
9560         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9561         (pop_alignment): Likewise.
9562         (handle_pragma_pack): Likewise.
9563         (apply_pragma_weak): Likewise.
9564         (handle_pragma_weak): Likewise.
9565         (handle_pragma_redefine_extname): Likewise.
9566         (add_to_renaming_pragma_list): Likewise.
9567         (handle_pragma_extern_prefix): Likewise.
9568         (maybe_apply_renaming_pragma): Likewise.
9569         (handle_pragma_visibility): Likewise.
9570
9571         * config/c4x/c4x-c.c (BAD): Likewise.
9572         (c4x_parse_pragma): Likewise.
9573         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9574         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9575         (rs6000_pragma_longcall): Likewise.
9576         * config/v850/v850-c.c (pop_data_area): Likewise.
9577         (ghs_pragma_section): Likewise.
9578         (ghs_pragma_section): Likewise.
9579         (ghs_pragma_interrupt): Likewise.
9580         (ghs_pragma_starttda): Likewise.
9581         (ghs_pragma_startsda): Likewise.
9582         (ghs_pragma_startzda): Likewise.
9583         (ghs_pragma_endtda): Likewise.
9584         (ghs_pragma_endsda): Likewise.
9585         (ghs_pragma_endzda): Likewise.
9586
9587 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9588             Kenneth Zadeck <zadeck@naturalbridge.com>
9589
9590         * Makefile.in: Removed tree-promote-statics.c
9591         * tree-promote-statics.c: Removed.
9592         * common.opt: Removed flag-promote-statics.
9593         * opts.c: Ditto.
9594         * passes.c: Removed tree-promote-statics pass.
9595         * tree-pass.h: Ditto.
9596         * timevar.def: Removed TV_PROMOTE_STATICS.
9597
9598
9599 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9600
9601         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9602         and *-*-freebsd9.
9603         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9604
9605 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9606
9607         PR c/22476
9608         * c-common.c (check_function_arguments): Call
9609         'check_function_format' if either -Wformat or
9610         -Wmissing-format-attribute are specified.
9611         * c-format.c (check_function_format): Check -Wformat before
9612         calling 'check_format_info'.
9613         * c-opts.c (c_common_post_options): Don't warn for
9614         -Wmissing-format-attribute without -Wformat.
9615         * c-typeck.c (convert_for_assignment): Detect additional cases for
9616         -Wmissing-format-attribute.
9617         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9618         behavior.
9619
9620 2005-07-19  Richard Guenther  <rguenther@suse.de>
9621
9622         * config/i386/i386.md (lrint<mode>2): Use temporary
9623         instead of clobbering non-existent memory.
9624
9625 2005-07-19  Nick Clifton  <nickc@redhat.com>
9626
9627         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9628         statement to avoid displaying ASCII control characters.
9629
9630 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9631
9632         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9633         * cfganal.c (find_edge_index): Ditto.
9634         * combine.c (combine_instructions): Ditto.
9635         * ddg.c (create_scc): Ditto.
9636         (find_successors): Ditto.
9637         (find_predecessors): Ditto.
9638         (find_nodes_on_paths): Ditto.
9639         (longest_simple_path): Ditto.
9640         * flow.c (update_life_info): Ditto.
9641         (count_or_remove_death_notes): Ditto.
9642         (clear_log_links): Ditto.
9643         * modulo-sched.c (generate_reg_moves): Ditto.
9644         (find_max_asap): Ditto.
9645         (find_max_hv_min_mob): Ditto.
9646         (find_max_dv_min_mob): Ditto.
9647         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9648         * sched-rgn.c (extract_edgelst): Ditto.
9649         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9650         (dump_update_ssa): Ditto.
9651         (ssa_names_to_replace) Ditto.
9652         (switch_virtuals_to_full_rewrite): Ditto.
9653         (update_ssa): Ditto.
9654         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9655
9656 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9657
9658         Fix PR tree-optimization/22483
9659
9660         * tree-complex.c (create_components): Use
9661         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9662         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9663         * tree-flow.h (safe_referenced_var_iterator): New structure.
9664         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9665         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9666         safe_referenced_var iterator.
9667         (add_type_alias): Ditto.
9668
9669 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9670
9671         * loop-init.c (rest_of_handle_loop2): Remove.
9672         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9673         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9674         (pass_rtl_loop_init, pass_rtl_loop_done,
9675         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9676         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9677         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9678         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9679         pass_tree_loop_done, and pass_tree_unswitch.
9680         (gate_loop): Rename to gate_tree_loop.
9681         * passes.c (init_optimization_passes): Update for renamed tree
9682         loop passes.  Add the new loop2 passes as subpasses of loop2.
9683         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9684         Update for the renamed tree loop passes.
9685
9686 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9687
9688         PR middle-end/22057
9689         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9690         blocks when optimizing.
9691
9692 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9693
9694         * common.opt (frename-registers): Initialize to 2.
9695         (fweb): Ditto.
9696         (fgcse-after-reload): Ditto.
9697         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9698         (process_options): Only change flag_web, flag_rename_registers,
9699         and flag_rerun_cse_after_loop if not explicitly set by user.
9700
9701 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9702
9703         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9704         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9705         in 64-bit mode the same as DImode in 32-bit mode.
9706         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9707         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9708         mode. Add new mode parameter.
9709         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9710         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9711         x86_64_shift_adj): New expanders.
9712         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9713         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9714         insns.
9715         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9716         DImode shift splitters.
9717         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9718         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9719         mode parameter.
9720
9721 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9722
9723         * i386.md (movdi_extzv_1): New.
9724         (zero_extendhidi2): Combine alternatives and never force use of
9725         REX64 prefix.
9726         (zero_extendqidi2): Likewise. Don't restrict input selection.
9727
9728 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9729
9730         Fix PR tree-optimization/22531
9731         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9732          moment.
9733
9734 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9735
9736         * tree-promote-statics.c (pass_promote_statics): Change dump file
9737          name.
9738
9739 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9740
9741         * tree-optimize.c (init_tree_optimization_passes): Add
9742         pass_eliminate_useless_stores pass.
9743         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9744         * tree-ssa-pre.c (is_copy_stmt): New function.
9745         (follow_copies_till_vuse): Ditto.
9746         (do_eustores): Ditto.
9747         (gate_eustores): Ditto.
9748
9749 2005-07-16  Richard Henderson  <rth@redhat.com>
9750
9751         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9752
9753 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9754            Kenneth Zadeck <zadeck@naturalbridge.com>
9755
9756         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9757         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9758         ipa-type-escape.h, tree-promote-statics.c
9759         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9760         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9761         tree-promote-statics.c: new files.
9762         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9763         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9764         int nonlocal_set_p, mark_constant_function): Deleted.
9765         (rest_of_handle_cfg): Removed call to mark_constant_function.
9766         (nonoverlapping_component_refs_p): Added calls to support
9767         type based aliasing.
9768         * tree-ssa-alias.c (may_alias_p,
9769         compute_flow_insensitive_aliasing): Ditto.
9770         * calls.c (flags_from_decl_or_type): Removed reference to
9771         cgraph_rtl_info.
9772         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9773         too many arguments.  This is necessary for Spec 2000.
9774         * cgraph.h (const_function, pure_function): Removed.
9775         * common.opt: Added "fipa-pure-const", "fipa-reference",
9776         "fipa-type-escape", and "ftree-promote-static".
9777         * opts.c: Ditto.
9778         * passes.c: Added ipa and tree-promote-statics passes.
9779         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9780         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9781         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9782         * tree-flow.h: Added exposed sra calls and addition of
9783         reference_vars_info field for FUNCTION_DECLS.
9784         * tree-pass.h: Added passes.
9785         * tree-sra.c: (sra_init_cache): New function.
9786         (sra_insert_before, sra_insert_after) Made public.
9787         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9788         and made public.
9789         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9790         aliasing. (may_alias_p): Added code to use type escape analysis to
9791         improve alias sets.
9792         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9793         code to prune clobbers of static variables based on information
9794         produced in ipa-reference pass.  Changed call clobbering so that
9795         statics are not marked as clobbered if the call does not clobber
9796         them.
9797
9798 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9799
9800         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9801         too.
9802
9803 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9804
9805         * doc/install.texi (*-*-solaris2*): Document recommended version
9806         of GNU binutils and mention GNU linker problem on Solaris 10.
9807
9808 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9809
9810         PR c/22421
9811         * c-decl.c (c_build_bitfield_integer_type): New function.
9812         (finish_struct): Call it.
9813         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9814
9815 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9816
9817         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9818         before returning.
9819
9820 2005-07-16  Jan Hubicka  <jh@suse.cz>
9821
9822         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9823         (scale_bbs_frequencies_int): Watch roundoff errors.
9824         * predict.c (return_prediction): Initialize return_stmt.
9825
9826 2005-07-16  Jan Hubicka  <jh@suse.cz>
9827
9828         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9829         after RTL profiling.
9830
9831 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9832
9833         PR middle-end/22398
9834         * fold-const.c (build_range_check): Convert high/low to etype
9835         if we are only comparing against exp.
9836
9837 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9838
9839         Fix PR tree-optimization/22376
9840         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9841         special var here.
9842         (need_to_solve): New function.
9843         (compute_points_to_sets): Use it.
9844
9845 2005-07-15  Jan Hubicka  <jh@suse.cz>
9846
9847         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9848         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9849
9850 2005-07-15  Richard Guenther  <rguenther@suse.de>
9851
9852         * c-common.c (handle_flatten_attribute): New function.
9853         Add flatten function attribute.
9854         * doc/extend.texi: Document flatten function attribute.
9855         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9856         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9857         New functions.
9858         (cgraph_decide_inlining): Handle functions with flatten
9859         attribute.
9860
9861 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9862
9863         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9864         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9865         UNSPEC_XCHG, UNSPEC_AND): New.
9866         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9867         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9868         * config/rs6000/sync.md (FETCHOP): New code macro.
9869         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9870         New code attrs.
9871         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9872         (sync_compare_and_swap<mode>): Same.
9873         (sync_lock_test_and_set<mode>): Same.
9874         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9875         for QImode and HImode, and not PPC405.
9876         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9877         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9878         (sync_<fetchop>{si,di}_internal): New.
9879         (sync_nand{si,di}_internal): New.
9880         (sync_old_<fetchop>{si,di}_internal): New.
9881         (sync_old_nand{si,di}_internal): New
9882         (sync_new_<fetchop>{si,di}_internal): New.
9883         (sync_new_nand{si,di}_internal): New.
9884         (atomic_and{si,di}): New.
9885         (sync_new_nand{si,di}_internal): New.
9886         (atomic_and{si,di}): New.
9887         (sync_add<mode>_internal): Delete.
9888         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9889         (sync_sub<mode>_internal): Delte.
9890         (sync_subshort_internal): New.
9891         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9892         (sync_anddi_internal): Delete.
9893         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9894         (sync_booldi_internal): Delete.
9895         (sync_boolc<mode>_internal): Delete.
9896         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9897         (sync_boolc<mode>_internal2): Delete.
9898         (sync_boolcc<mode>_internal): Delete.
9899         (isync, lwsync): Use unspec instead of unspec_volatile.
9900         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9901         Revert UNSPEC_VOLATILE.
9902         (rs6000_split_atomic_op): New.
9903         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9904
9905 2005-07-14  Eric Christopher  <echristo@redhat.com>
9906
9907         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9908         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9909
9910 2005-07-14  Eric Christopher  <echristo@redhat.com>
9911
9912         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9913
9914 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9915
9916         PR tree-optimization/22230
9917         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9918         the computation of the four cross productions for "range op range".
9919
9920 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9921             Ulrich Weigand  <uweigand@de.ibm.com>
9922
9923         PR target/20126
9924         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9925         in some insn.
9926
9927 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9928
9929         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9930
9931 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9932
9933         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9934
9935 2005-07-14  Richard Guenther  <rguenther@suse.de>
9936
9937         PR middle-end/22347
9938         * config/i386/i386-protos.h (ix86_function_value): Change
9939         prototype to match new target hook.
9940         * config/i386/i386.c (ix86_value_regno): Change prototype
9941         to take extra type argument.
9942         (TARGET_FUNCTION_VALUE): Define.
9943         (ix86_function_ok_for_sibcall): Pass extra argument to
9944         ix86_value_regno, check return slot rtx for exact match.
9945         (ix86_function_value): Take extra parameter.  Dispatch to
9946         ix86_value_regno with fndecl/fntype as provided.
9947         (ix86_value_regno): Handle extra type argument.
9948         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9949
9950         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9951         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9952         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9953         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9954         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9955
9956 2005-07-14  Richard Guenther  <rguenther@suse.de>
9957
9958         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9959         * calls.c (expand_call): Pass fntype to hard_function_value.
9960         (emit_library_call_value_1): Likewise.
9961         * explow.c: Include target.h.
9962         (hard_function_value): Take extra argument, the fntype.
9963         Use new target hook for function_value.
9964         * expr.h (hard_function_value): Change prototype.
9965         * function.c (aggregate_value_p): Pass 0 as fntype to
9966         hard_function_value.
9967         (assign_parms): Use new target hook for function_value.
9968         Pass 0 as fntype to hard_function_value.
9969         (expand_function_end): Likewise.
9970         * reg-stack.c: Include target.h.
9971         (stack_result): Use new target hook for function_value.
9972         * target-def.h: New target hook function_value.
9973         * target.h: Likewise.
9974         * targhooks.c (default_function_value): New function.
9975         * targhooks.h (default_function_value): Declare.
9976
9977 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9978
9979         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9980
9981 2005-07-14  Jan Hubicka  <jh@suse.cz>
9982
9983         * tree-dfa.c (dump_variable): Use default_def function.
9984         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9985         * tree-ssa.c (verify_use): Likewise.
9986         * tree-ssanames.c (release_ssa_name): Likewise.
9987         * tree-tailcall.c (eliminate_tail_call): Likewise.
9988         (tree_optimize_tail_calls_1): Likewise.
9989         * tree-vrp.c (get_value_range): Likewise.
9990
9991 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9992
9993         * gcc.c (main): Compare language[0] with '*' when iterating over
9994         the infiles.
9995
9996 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9997
9998         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9999         "s390_emit_compare".  Add handling of CCZ1mode.
10000         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10001         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10002         checking.
10003         (s390_branch_condition_mask): Add CCZ1mode handling.
10004         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10005         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10006         Use CCZ1mode instead of CCZmode.
10007         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10008
10009 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10010
10011         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10012         pattern.
10013         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10014
10015 2005-07-13  Eric Christopher  <echristo@redhat.com>
10016
10017         * config/mips/mips.c (mips_canonicalize_comparison): New.
10018         (mips_emit_int_relational): Use.
10019
10020 2005-07-13  Eric Christopher  <echristo@redhat.com>
10021
10022         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10023         static extra parts.
10024         * config/s390/s390.md: Include tpf.md. Move tpf specific
10025         patterns...
10026         * config/s390/tpf.md: To here.
10027         * config/s390/s390.opt: Move tpf specific options...
10028         * config/s390/tpf.opt: to here. Add mmain option.
10029         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10030         * config/s390/tpf.h: Rewrite.
10031
10032 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10033
10034         * doc/tm.texi: Remove @xref{Cross-profiling}.
10035
10036 2005-07-13  Jeff Law  <law@redhat.com>
10037
10038         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10039         expressions, test their _DECL operands for pointer equality rather
10040         than using operand_equal_p.
10041
10042 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10043
10044         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10045         (TARGET_POSIX_IO): This.
10046         * config/darwin.h: Likewise.
10047         * config/freebsd.h: Likewise.
10048         * config/linux.h: Likewise.
10049         * config/lynx.h: Likewise.
10050         * config/netbsd.h: Likewise.
10051         * config/rs6000/linux64.h: Likewise.
10052         * config/rs6000/linux.h: Likewise.
10053         * config/s390/tpf.h: Likewise.
10054         * config/sh/embed-elf.h: Likewise.
10055         * config/sparc/linux64.h: Likewise.
10056         * config/sparc/linux.h: Likewise.
10057         * config/svr4.h: Likewise.
10058         * gcov-io.h: Likewise.
10059
10060         * doc/tm.texi: Updated.
10061
10062         * libgcov.c (create_file_directory): Defined only if
10063         TARGET_POSIX_IO is defined.
10064         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10065         is defined.
10066
10067 2005-07-13  Jan Hubicka  <jh@suse.cz>
10068
10069         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10070
10071 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10072
10073         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10074         structure as argument.
10075
10076 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10077
10078         PR tree-optimization/21921
10079         * tree-iterator.c (tsi_link_before): Support the case when
10080         tsi_end_p (tsi) == true.
10081
10082 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10083
10084         PR tree-optimization/22442
10085         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10086         correctly.
10087
10088 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10089
10090         PR rtl-optimization/20376
10091         * toplev.c (process_options): Enable -fweb and -frename-registers when
10092         unrolling.
10093         * doc/invoke.texi: Update the information about when -fweb and
10094         -frename-registers are enabled.
10095
10096 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10097
10098         PR tree-opt/21840
10099         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10100         if *rhs_p is not a SSA_NAME.
10101
10102 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10103
10104         Fix PR tree-optimization/22422
10105         * tree-ssa-structalias.c (struct variable_info): Add flag for
10106         special vars.
10107         (get_varinfo): Now a static function.
10108         (new_varinfo): init has_union and is_special_var to false.
10109         (solution_set_add): Check has_union.
10110         (do_da_constraint): Move temporary variable so it gets reset
10111         properly.
10112         Also check for special variable.
10113         (do_ds_constraint): Ditto.
10114         (do_sd_constraint): Ditto.
10115         (do_structure_copy): Check for special variable.
10116         (find_func_aliases): Ditto.
10117         (init_base_vars): Set special vars properly.
10118
10119 2005-07-13  Jan Hubicka  <jh@suse.cz>
10120
10121         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10122         do unit-at-a-time.
10123
10124         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10125         (get_expr_operands): Fix thinko wrt flags and subvars.
10126
10127         PR tree-optimize/22379
10128         * tree-inline.c (expand_call_inline): Do not output sorry in early
10129         inlining.
10130
10131 2005-07-12  Dale Johannesen  <dalej@apple.com>
10132
10133         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10134
10135 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10136
10137         PR bootstrap/21704
10138         * host-linux.h: Include limits.h.
10139
10140 2005-07-12  Dale Johannesen  <dalej@apple.com>
10141
10142         * expr.c (compress_float_constant):  Add cost check.
10143         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10144
10145 2005-07-12  Dale Johannesen  <dalej@apple.com>
10146
10147         * gcc.target/i386/compress-float-sse.c:  New.
10148         * gcc.target/i386/compress-float-sse-pic.c:  New.
10149         * gcc.target/i386/compress-float-387.c:  New.
10150         * gcc.target/i386/compress-float-387-pic.c:  New.
10151         * gcc.dg/compress-float-ppc.c:  New.
10152         * gcc.dg/compress-float-ppc-pic.c:  New.
10153
10154 2005-07-12  Eric Christopher  <echristo@redhat.com>
10155
10156         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10157         static extra parts.
10158         * config/s390/s390.md: Include tpf.md. Move tpf specific
10159         patterns...
10160         * config/s390/tpf.md: To here.
10161         * config/s390/s390.opt: Move tpf specific options...
10162         * config/s390/tpf.opt: to here. Add mmain option.
10163         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10164         * config/s390/tpf.h: Rewrite.
10165
10166 2005-07-12  Eric Christopher  <echristo@redhat.com>
10167
10168         * gcc.c (struct infile): Update comment for language.
10169         (main): Rewrite input file resetting code.
10170
10171 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10172
10173         PR tree-opt/22335
10174         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10175         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10176         (lookup_avail_expr): Use constant_boolean_node instead
10177         of boolean_false_node/boolean_true_node.
10178
10179 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10180
10181         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10182         and use it when printing num_edges.
10183
10184 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10185
10186         * doc/extend.texi (Blackfin Built-in Functions): New section.
10187         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10188         @opindex.
10189
10190 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10191
10192         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10193         s/cmpstrsi/cmpstrnsi
10194         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10195         'cmpstrnsi'.
10196         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10197         (init_optabs): Initialize cmpstrn_optab.
10198         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10199         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10200         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10201         * config/i386/i386.md: s/cmpstr/cmpstrn
10202         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10203         * doc/md.texi: Update documentation.
10204
10205 2005-07-11  Richard Henderson  <rth@redhat.com>
10206
10207         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10208         build_va_arg_indirect_ref.
10209         (alpha_gimplify_va_arg): Likewise.
10210         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10211         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10212         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10213         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10214         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10215         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10216         Likewise.
10217         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10218
10219 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10220
10221         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10222         * passes.c (init_optimization_passes): Add pass_empty_loop.
10223         * tree-pass.h (pass_empty_loop): Declare.
10224         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10225         try_remove_empty_loop, remove_empty_loops): New functions.
10226         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10227         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10228
10229 2005-07-12  Peter Barada  <peter@the-baradas.com>
10230
10231         PR middle-end/16719
10232         PR middle-end/18421
10233         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10234         in address registers.
10235         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10236         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10237         alternative of addsi3_5200.
10238
10239 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10240
10241         * config/mips/mips.md (ffs<mode>2): Remove.
10242
10243 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10244
10245         * doc/tree-ssa.texi (Cleanups): Improve description of
10246         TRY_FINALLY_EXPR.
10247         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10248
10249 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10250
10251         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10252         * tree.h (DECL_ARGUMENT_FLD): New macro.
10253
10254 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10255
10256         Fix PR tree-optimization/22404
10257
10258         * tree-ssa-structalias.c (create_variable_info_for): Use
10259         correct offset.
10260
10261 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10262
10263         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10264         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10265         for second comparison operand.
10266         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10267
10268         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10269         (define_insn_reservation "alu"): Likewise.
10270         (csync, ssync): Now of type sync.
10271         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10272         -mcsync-anomaly -mspecld-anomaly.
10273         * config/bfin/bfin.opt (mcsync): Remove.
10274         (mcsync-anomaly, mspecld-anomaly): Add.
10275         * config/bfin/bfin.c: Include "insn-codes.h".
10276         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10277         (TARGET_DEFAULT_TARGET_FLAGS): New.
10278         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10279
10280 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10281
10282         * basic-block.h: Give the BB flags enum a name, bb_flags.
10283         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10284         * cfgcleanup.c (enum bb_flags): Remove here.
10285         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10286         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10287         (update_forwarder_flag): Likewise.
10288         (thread_jump): Likewise.
10289         (try_forward_edges): Likewise.
10290         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10291         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10292         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10293
10294 2005-07-11  Richard Guenther  <rguenther@suse.de>
10295
10296         * config/i386/i386.opt: New target option -msseregparm.
10297         * config/i386/i386.c (override_options): Error out for
10298         -msseregparm but no SSE support.
10299         (ix86_function_sseregparm): Check for global sseregparm.
10300         * doc/invoke.texi: Document -msseregparm.
10301
10302 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10303
10304         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10305         (m32rle-*-linux*): Ditto.
10306
10307 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10308
10309         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10310         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10311         bytes.
10312
10313 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10314
10315         PR middle-end/22239
10316         PR target/20126
10317         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10318         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10319
10320 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10321
10322         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10323         (varmap): Heapify varmap.
10324         (constraints): Heapify constraints.
10325         (struct constraint_graph): Heapify succs and preds.
10326         (constraint_vec_find): Update for heapification.
10327         (constraint_set_union): Ditto.
10328         (insert_into_complex): Ditto.
10329         (constraint_edge_vec_find): Ditto.
10330         (erase_graph_self_edge): Ditto.
10331         (add_graph_edge): Ditto.
10332         (get_graph_weights): Ditto.
10333         (merge_graph_nodes): Ditto.
10334         (build_constraint_graph): Ditto.
10335         (topo_visit): Ditto.
10336         (solve_graph): Ditto.
10337         (create_variable_info_for): Ditto.
10338         (init_base_vars): Ditto.
10339         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10340         (condese_varmap_nodes): Free complex vector.
10341         (clear_edges_for_node): Clear succs and preds vector.
10342
10343 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10344
10345         * tree-ssa-structalias.c (update_alias_info): Change counting of
10346         references to not include vdefs.
10347
10348 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10349
10350         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10351         (up_insert): Ditto.
10352
10353 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10354
10355         * pa.c (pa_commutative_p): Make PLUS commutative when
10356         TARGET_NO_SPACE_REGS is true.
10357
10358 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10359
10360         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10361         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10362         * tree-dfa.c (dump_subvars_for): New.
10363         (debug_subvars_for): New.
10364         (dump_variable): Show subvariables if VAR has them.
10365         * tree-flow-inline.h (get_subvar_at): New.
10366         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10367         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10368         Update all users.
10369         (struct subvar): Change fields offset and size to unsigned
10370         HOST_WIDE_INT.
10371         (dump_subvars_for): Declare.
10372         (debug_subvars_for): Declare.
10373         (get_subvar_at): Declare.
10374         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10375         to unsigned HOST_WIDE_INT *.
10376         (overlap_subvar): Likewise.
10377         * tree-gimple.c (is_gimple_reg): Always return false for
10378         SFTs and memory tags.
10379         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10380         Update all callers.
10381         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10382         (compute_may_aliases): Call compute_points_to_sets.
10383         (collect_points_to_info_for): Remove.
10384         (compute_points_to_and_addr_escape): Remove.
10385         (delete_alias_info): Call delete_points_to_sets.
10386         (compute_flow_sensitive_aliasing): If the call to
10387         find_what_p_points_to returns false, call set_pt_anything.
10388         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10389         (set_pt_anything): Clear pi->pt_vars.
10390         (set_pt_malloc): Remove.
10391         (merge_pointed_to_info): Remove.
10392         (add_pointed_to_expr): Remove.
10393         (add_pointed_to_var): Remove.
10394         (collect_points_to_info_r): Remove.
10395         (is_escape_site): Make extern.
10396         (create_sft): New.
10397         (create_overlap_variables_for): Call it.
10398         * tree-ssa-copy.c (merge_alias_info): Never merge
10399         flow-sensitive alias information.
10400         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10401         offset and size to be unsigned HOST_WIDE_INT.
10402         (add_to_addressable_set): Rename from note_addressable.
10403         Set TREE_ADDRESSABLE as the variables are added to the set.
10404         Update all users.
10405         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10406         operands into VUSEs when adding V_MAY_DEFs for members in an
10407         alias set.
10408         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10409         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10410         (struct variable_info): Add bitfield is_heap_var.
10411         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10412         (new_var_info): Initialize is_heap_var.
10413         (get_constraint_for): Add HEAP variables to the symbol table.
10414         Mark them with is_heap_var.
10415         (update_alias_info): New.  Taken mostly from the old
10416         compute_points_to_and_addr_escape.
10417         (handle_ptr_arith): New.
10418         (find_func_aliases): Call update_alias_info.
10419         Call handle_ptr_info for tcc_binary expressions.
10420         Call mark_stmt_modified.
10421         (create_variable_info_for): If DECL has subvars, do not create
10422         variables for its subvars.  Always add all the fields.
10423         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10424         SFTs, then add all the SFTs of the structure.
10425         If VI->DECL is an aggregate with subvariables, add the SFT at
10426         VI->OFFSET.
10427         (find_what_p_points_to): If VI is an artificial variable,
10428         translate to bitfields in SSA_NAME_PTR_INFO.
10429         If the solution is empty, set pi->pt_vars to NULL
10430         (init_base_vars): Create ANYOFFSET.
10431         (compute_points_to_sets): Rename from create_alias_vars.
10432         Make extern.
10433         (pass_build_pta): Remove.
10434         (delete_points_to_sets): Rename from delete_alias_vars.
10435         (pass_del_pta): Remove.
10436         * tree-ssa-structalias.h (struct alias_info): Move from
10437         tree-ssa-alias.h.
10438         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10439         NUM_REFERENCES_SET): Likewise.
10440         (compute_points_to_sets, delete_points_to_sets): Declare.
10441
10442 2005-07-09  Richard Henderson  <rth@redhat.com>
10443
10444         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10445         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10446         alpha_split_lock_test_and_set_12): New functions.
10447         * config/alpha/alpha-protos.h: Update.
10448         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10449         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10450         * config/alpha/sync.md (I12MODE): New.
10451         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10452         (sync_<fetchop_name><I48MODE>): Likewise.
10453         (sync_nand<I48MODE>): Likewise.
10454         (sync_old_<fetchop_name><I48MODE>): Likewise.
10455         (sync_new_<fetchop_name><I48MODE>): Likewise.
10456         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10457         (sync_compare_and_swap<I48MODE>): Likewise.
10458         (sync_lock_test_and_set<I48MODE>): Likewise.
10459         (sync_compare_and_swap<I12MODE>): New.
10460         (sync_compare_and_swap<I12MODE>_1): New.
10461         (sync_lock_test_and_set<I12MODE>): New.
10462         (sync_lock_test_and_set<I12MODE>_1): New.
10463
10464 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10465
10466         PR 21356
10467         PR 22332
10468         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10469
10470 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10471
10472         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10473         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10474
10475 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10476
10477         PR target/21656
10478         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10479
10480 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10481
10482         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10483         memory_operand constraint.
10484         (store_conditional_<mode>): Same.
10485         (sync_compare_and_swap<mode>): Same.
10486         (sync_lock_test_and_set<mode>): Same.
10487
10488 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10489
10490         Rewrite PIC support to more closely model actual instructions.
10491         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10492         (cris_symbol): Remove prototypes for removed functions.
10493         (cris_pic_symbol_type_of, cris_valid_pic_const)
10494         (cris_expand_pic_call_address): Prototypes for new functions.
10495         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10496         variable.
10497         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10498         modifiers.
10499         <case ':'>: Add case for new punctuation character.
10500         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10501         emitting (extra) PIC modifier.
10502         <case UNSPEC>: Do not assert for PLT.
10503         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10504         (cris_expand_prologue, cris_expand_epilogue): Check
10505         for pic_offset_table_rtx usage instead of taking
10506         current_function_uses_pic_offset_table as the final word.
10507         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10508         Remove flag_pic difference.
10509         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10510         the moral equivalents of...
10511         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10512         functions.
10513         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10514         (cris_handle_option): Mark ARG as unused.
10515         (cris_expand_pic_call_address): New worker function for "call",
10516         "call_value".
10517         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10518         output PIC constructs here.
10519         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10520         as symbol-specific modifers, not whole or part of operands.
10521         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10522         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10523         constants and flag_pic.
10524         (CONSTANT_INDEX_P): Adjust for new functions.
10525         (enum cris_pic_symbol_type): New helper type.
10526         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10527         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10528         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10529         define_constants.
10530         ("movsi"): Emit actual instructions for GOT and relative access.
10531         ("*movsi_got_load"): New pattern to set up the register holding
10532         the GOT pointer.
10533         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10534         Adjust FIXME for 'S'.
10535         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10536         Use "movs" for -fpic cases.
10537         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10538         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10539         ("call", "call_value"): Just call cris_expand_pic_call_address for
10540         PIC addresses.
10541         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10542         Remove special pattern.
10543         ("*expanded_call_side", "*expanded_call_value_side"): New
10544         patterns.
10545         (gotplt-to-plt, gotplt-to-plt-side-call)
10546         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10547         peephole2:s.
10548         * config/cris/cris/predicates.md
10549         ("cris_general_operand_or_gotless_symbol"): Remove unused
10550         predicate.
10551         ("cris_general_operand_or_symbol"): Adjust for new functions.
10552
10553 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10554
10555         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10556
10557 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10558
10559         * Makefile.in (TREE_H): Add treestruct.def.
10560         (c-decl.o): Add pointer-set.h
10561         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10562         visibility on regular DECL's.
10563         (merge_decls): Fix the copying of decl nodes of various types for
10564         the new structures.  Don't update RTL, section name, weak status,
10565         etc, on DECL's without RTL.
10566         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10567         Don't check volatile on non-variable types.
10568         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10569         to check whether we have seen arguments.
10570         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10571         flag is checked before field (flag is common, field is not).
10572         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10573         TS_DECL_COMMON could have an origin.
10574         (add_location_or_const_value_attribute): Don't check section name
10575         on non-var/function decls.
10576         (dwarf2out_var_location): Reverse order of tests.
10577         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10578         with DECL_WRTL_CHECK.
10579         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10580         * fold-const.c (fold_binary): Don't check weakness on
10581         non-var/function decls.
10582         (tree_expr_nonzero_p): Ditto.
10583         (fold_checksum_tree): Use tree_decl_extra as sizeof
10584         buffer.
10585         * ggc-page.c (extra_order_size_table): Add sizes for
10586         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10587         tree_field_decl.
10588         * gimplify.c (gimplify_bind_expr): Only set
10589         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10590         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10591         without RTL.
10592         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10593         * langhooks.h (init_ts). New langhook.
10594         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10595         * print-tree.c (print_node): Update to only print fields that
10596         exist in the structures the passed decl has.
10597         * toplev.c (wrapup_global_declarations): Don't reset
10598         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10599         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10600         * tree-inline.c (remap_decl): Ditto.
10601         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10602         * tree-pretty-print.c (print_declaration): Don't print
10603         DECL_REGISTER on things that don't contain it.
10604         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10605         non-var/function decls.
10606         * tree.c (tree_contains_struct): New structure.
10607         (init_priority_for_decl): New hashtable.
10608         (tree_int_map): New structure.
10609         (tree_int_map_eq): New function.
10610         (tree_int_map_marked_p): Ditto.
10611         (tree_int_map_hash): Ditto.
10612         (tree_map): Move to tree.h.
10613         (tree_map_eq): Externalize.
10614         (tree_map_hash): Ditto.
10615         (tree_map_marked_p): Ditto.
10616         (init_ttree): Set up tree_contains_struct and call langhook.
10617         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10618         (tree_code_size): Update for new structures.
10619         (tree_node_structure): Update for new structures.
10620         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10621         without the field.
10622         (copy_node_stat):  Copy init priority.
10623         (build_decl_stat): Ditto for visibility.
10624         (ts_enum_names): New.
10625         (tree_contains_struct_check_failed): New function.
10626         (decl_init_priority_lookup): Ditto.
10627         (decl_init_priority_insert): Ditto.
10628         * treestruct.def: New file.
10629         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10630         (CONTAINS_STRUCT_CHECK): Ditto.
10631         (tree_contains_struct_check_failed): New prototype.
10632         (DECL_CHECK): Removed.
10633         (DECL_MINIMAL_CHECK): New.
10634         (DECL_COMMON_CHECK): Ditto.
10635         (DECL_WRTL_CHECK): Ditto.
10636         (DECL_NON_COMMON_CHECK): Ditto.
10637         (DECL_WITH_VIS_CHECK): Ditto.
10638         (VAR_OR_FUNCTION_DECL_P): Ditto
10639         (struct tree_decl_minimal): New structure.
10640         (struct tree_decl_common): Ditto.
10641         (struct tree_decl_with_rtl): Ditto.
10642         (struct tree_decl_with_vis): Ditto.
10643         (struct tree_decl_non_common): Ditto.
10644         (struct tree_field_decl): Ditto.
10645         (struct tree_parm_decl): Ditto.
10646         (struct tree_var_decl): Ditto.
10647         (struct tree_function_decl): Ditto.
10648         (struct tree_const_decl): Ditto.
10649         (struct tree_result_decl): Ditto.
10650         (union tree_node): Add new structures.
10651         * var-tracking.c (track_expr_p): Reverse order of tests.
10652
10653         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10654
10655 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10656
10657         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10658         * system.h: Poison FINALIZE_PIC.
10659         * doc/tm.texi (FINALIZE_PIC): Remove.
10660
10661 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10662
10663         PR tree-opt/22329
10664         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10665         to the correct type if we have a MODIFY_EXPR.
10666
10667 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10668
10669         PR tree-optimization/22360
10670         * tree.c (upper_bound_in_type): Fix calculations for casting
10671         to a non-wider signed type and casting a signed value to a
10672         wider unsigned type.
10673         (lower_bound_in_type): Fix calculations for casting to a
10674         non-wider signed type.
10675
10676         PR tree-optimization/20139
10677         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10678         release_defs.
10679         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10680         fold_cond_expr_cond.
10681         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10682         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10683
10684 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10685
10686         PR tree-opt/22356
10687         * tree-complex.c (expand_complex_libcall): Produce
10688         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10689
10690 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10691
10692         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10693         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10694         b" assert and inserted fastpath code for this case.
10695         (bitmap_ior): Removed "a != b" assert.
10696
10697 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10698
10699         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10700         (ENDFILE_SPEC): Likewise.
10701         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10702
10703         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10704         a large stack frame at epilogue.
10705
10706 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10707
10708         * final.c: Include sdbout.h when required.
10709
10710 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10711
10712         * config.gcc (*-*-darwin*): Only one target-specific header file
10713         for generic darwin.
10714         (powerpc-*-darwin*): Add version-specific header files.
10715         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10716         * config.in: Regenerate.
10717         * configure: Regenerate.
10718         * gcc.c: Include xregex.h.
10719         (version_compare_spec_function): New.
10720         (spec_function): Add version-compare.
10721         (replace_outfile_spec_function): Reformat comment.
10722         (compare_version_strings): New.
10723         * config/darwin-c.c (version_as_macro): New.
10724         (builtin_define): New.
10725         (darwin_cpp_builtins): New.
10726         * config/darwin-protos.h (darwin_cpp_builtins): New.
10727         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10728         (LIB_SPEC): Make unconditional, update comment.
10729         (TARGET_C99_FUNCTIONS): Define.
10730         * config/darwin.opt: Sort.
10731         (mmacosx-version-min=): New.
10732         * config/darwin7.h: Delete.
10733         * config/darwin8.h: Delete.
10734         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10735         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10736         (TARGET_C99_FUNCTIONS): Define.
10737         * config/rs6000/darwin7.h: New.
10738         * config/rs6000/darwin8.h: New.
10739         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10740         (-mmacosx-version-min): Document.
10741
10742 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10743
10744         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10745
10746 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10747
10748         PR middle-end/22239
10749         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10750
10751 2005-07-07  Khem Raj  <kraj@mvista.com>
10752
10753         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10754         in bytes, not words.
10755
10756 2005-07-07  Paul Brook  <paul@codesourcery.com>
10757
10758         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10759         DEFAULT_FUNCTION_ARG_PADDING to upward.
10760
10761 2005-07-07  Richard Henderson  <rth@redhat.com>
10762
10763         * function.c (locate_and_pad_parm): Record parameter alignment in
10764         stack_alignment_needed.
10765
10766 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10767
10768         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10769         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10770         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10771         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10772         (define_attr "type"): Add isync, sync, load_l, store_c.
10773         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10774         Create scratch volatile MEM.
10775         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10776         sync.
10777         (load_locked_<mode>): New.
10778         (store_conditional_<mode>): New.
10779         (sync_compare_and_swap<mode>): Replace with splitter.
10780         (sync_lock_test_and_set<mode>): Replace with splitter.
10781         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10782         and UNSPECV_ISYNC.
10783         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10784         is ics.  Attribute isync.
10785         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10786         lwsync.
10787         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10788         and UNSPECV_SYNC_OP.
10789         (emit_unlikely_jump): New.
10790         (emit_load_locked): New.
10791         (emit_store_conditional): New.
10792         (rs6000_split_compare_and_swap): New.
10793         (rs6000_split_lock_test_and_set): New.
10794         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10795         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10796         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10797         rs6000_split_lock_test_and_set): Declare.
10798         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10799         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10800         store_c, isync, sync.
10801
10802 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10803
10804         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10805         filenames to gtyp-gen.h.
10806         (s-typ-gen): Use it in place of for loops.
10807
10808 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10809
10810         * hooks.c (hook_bool_rtx_int_false): New function.
10811         * hooks.h (hook_bool_rtx_int_false): Declare.
10812         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10813         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10814         * target.h (struct gcc_target): Add commutative_p member.
10815         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10816         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10817         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10818         (pa_commutative_p): New function.
10819         * jump.c (target.h): Include.
10820         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10821         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10822
10823 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10824
10825         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10826         (s390_expand_setmem): New.
10827         * config/s390/s390.c: Likewise.
10828         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10829         Adapt comments.
10830         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10831         general_operand.  Call new function "s390_expand_setmem".
10832         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10833         ("setmem_long", "*setmem_long"): ... this.
10834
10835 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10836
10837         * config/s390/s390.c: (optimization_options): Enable
10838         TARGET_MVCLE at -Os.
10839         * doc/invoke.texi: Document changes in default behaviour.
10840         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10841
10842 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10843
10844         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10845         defined by back-end.
10846
10847 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10848
10849         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10850         all sets in the pattern.
10851         * config/rs6000/rs6000.md (stack_protect_testsi,
10852         stack_protect_testdi): Likewise.
10853
10854 2005-07-06  Jeff Law  <law@redhat.com>
10855
10856         * tree-vrp.c (simplify_using_ranges): Kill.
10857         (vrp_finalize): Remove call to simplify_using_ranges.
10858         (simplify_stmt_using_ranges): New function extracted from
10859         simplify_using_ranges.
10860         (simplify_div_or_mod_using_ranges): Likewise.
10861         (simplify_abs_using_ranges): Likewise.
10862         (simplify_cond_using_ranges): New function.
10863         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10864         * tree-ssa-propagate.c (substitute_and_fold): Call
10865         simplify_stmt_using_ranges if we have range information.
10866
10867 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10868
10869         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10870         ia64_flag_schedule_isns2.
10871
10872         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10873         reading/writing general registers.
10874         (ia64_function_arg): Revert 2005-06-18 change.
10875
10876 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10877
10878         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10879         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10880
10881 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10882
10883         * function.c (expand_function_end): Revert part of 2005-06-27
10884         patch.  Do sjlj_emit_function_exit_after after return_label.
10885
10886 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10887
10888         * doc/install.texi (--disable-libssp): New.
10889
10890 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10891
10892         * doc/invoke.texi: Update -fforce-mem documentation.
10893         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10894         code for -fforce-mem.
10895         * expmed.c: (store_bit_field,store_fixed_bit_field,
10896         extract_bit_field): Ditto.
10897         * expr.c: (convert_move): Ditto.
10898         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10899         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10900         emit_conditional_add,expand_float,expand_fix): Ditto.
10901         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10902         (common_handle_option): Issue warning when -fforce-mem specified.
10903
10904 2005-07-06  Paul Brook  <paul@codesourcery.com>
10905
10906         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10907         argument is empty.
10908         * configure: Regenerate.
10909
10910 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10911
10912         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10913
10914 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10915
10916         Fix PR tree-optimization/22319
10917         Fix PR tree-optimization/22140
10918         Fix PR tree-optimization/22310
10919
10920         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10921         variable sized types.
10922         Use correct type for intermediate structure on *a = *b structure
10923         copies.
10924
10925 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10926
10927         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10928         Remove.
10929         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10930         (machine_function): Move typedef to...
10931         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10932         varargs_save_offset field.
10933         (rs6000_stack_t): Remove varargs_size field.
10934         (setup_incoming_varargs): Allocate varargs save area using
10935         assign_stack_local, try to make it as small as possible.
10936         Save offset from virtual_stack_vars_rtx to the save area
10937         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10938         instead of magic 8 when fp word byte size is used.
10939         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10940         instead of -RS6000_VARARGS_SIZE.
10941         (rs6000_stack_info, debug_stack_info,
10942         rs6000_initial_elimination_offset): Remove all traces of
10943         varargs_size.
10944         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10945         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10946         RS6000_VARARGS_AREA.
10947
10948 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10949
10950         PR tree-optimization/21963
10951         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10952         constant_multiple_of in the same way get_computation_cost_at does.
10953
10954 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10955
10956         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10957         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10958         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10959         and return its previous value.
10960         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10961         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10962         constants.
10963         (stack_protect_set, stack_protect_test): New expanders.
10964         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10965         stack_protect_testdi): New insns.
10966         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10967         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10968
10969 2005-07-06  Jeff Law  <law@redhat.com>
10970
10971         * tree-ssa-dce.c (cfg_altered): New global.
10972         (tree_dce_init): Initialize cfg_altered.
10973         (remove_dead_stmt): If we remove an edge in the CFG, then set
10974         CFG_ALTERED.
10975         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10976         the dominators.
10977
10978 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10979
10980         * Makefile.in (stamp-collect-ld): Use
10981         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10982         ./collect-ld if it already exists.
10983         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10984         Don't remove ./nm if it already exists.
10985
10986 2005-07-05  Devang Patel  <dpatel@apple.com>
10987
10988         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10989         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10990         * tree-vectorizer.c (vect_loop_location): New.
10991         (vect_print_dump_info): Use vect_loop_location.
10992         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10993         (vectorize_loops): Set vect_loop_location.
10994         * tree-vect-analyze.c (vect_analyze_offset_expr,
10995         vect_determin_vectorization_factor, vect_analyze_operations,
10996         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10997         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10998         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10999         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11000         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11001         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11002         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11003         vect_analyze_loop): Adjust vect_print_dump_info API.
11004         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11005         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11006         vect_finish_stmt_generation, vectorizable_assignment,
11007         vectorizable_operation, vectorizable_store, vectorizable_load,
11008         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11009         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11010         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11011         vect_transform_loop): Same.
11012         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11013         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11014         Same.
11015
11016 2005-07-05  Randolph Chung  <tausq@debian.org>
11017
11018         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11019         * configure: Regenerate.
11020         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11021         (pa_tls_referenced_p): Declare.
11022         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11023         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11024         (legitimize_tls_address): New.
11025         (hppa_legitimize_address): Handle TLS addresses.
11026         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11027         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11028         (emit_move_sequence): Handle TLS addresses.
11029         (pa_encode_section_info): Call default handler to handle common
11030         sections.
11031         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11032         (CONSTANT_ADDRESS_P): Reject TLS operands.
11033         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11034         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11035         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11036         (UNSPEC_TLSLE): Define new constants.
11037         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11038         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11039         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11040         (tie_symbolic_operand, tle_symbolic_operand): New
11041
11042 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11043
11044         * aclocal.m4: Update macros for autoconf 2.59 style.
11045         * configure.ac: Likewise.
11046
11047 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11048
11049         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11050         (function_arg): Pass small aggregates in general registers on 32-bit
11051         targets.
11052         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11053
11054 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11055
11056         * Makefile.in (final.o): Fix dependencies.
11057
11058 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11059
11060         PR c/22013
11061         PR c/22098
11062         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11063         * langhooks.c (lhd_expr_to_decl): New.
11064         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11065         New.
11066         (LANG_HOOKS_INITIALIZER): Update.
11067         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11068         expr_to_decl langhook.
11069         * c-tree.h (c_expr_to_decl): Declare.
11070         * c-typeck.c (c_expr_to_decl): New.
11071         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11072         specially.
11073         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11074
11075 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11076
11077         PR c/22308
11078         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11079         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11080
11081 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11082
11083         * Makefile.in: Adjust dependencies.
11084         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11085         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11086         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11087         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11088         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11089         rest_of_compilation.
11090
11091         * bb-reorder.c (gate_duplicate_computed_gotos,
11092         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11093         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11094         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11095         pass_partition_blocks): New.
11096         * bt-load.c (gate_handle_branch_target_load_optimize,
11097         rest_of_handle_branch_target_load_optimize,
11098         pass_branch_target_load_optimize): New.
11099         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11100         pass_jump2): New.
11101         * cfglayout.c (pass_insn_locators_initialize): New.
11102         * cfgrtl.c (pass_free_cfg): New.
11103         * combine.c (gate_handle_combine, rest_of_handle_combine,
11104         pass_combine): New.
11105         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11106         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11107         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11108         * except.c (pass_set_nothrow_function_flags,
11109         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11110         pass_rtl_eh): New.
11111         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11112         rest_of_handle_shorten_branches, pass_shorten_branches,
11113         rest_of_clean_state, pass_clean_state): New.
11114         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11115         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11116         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11117         pass_flow2): New.
11118         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11119         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11120         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11121         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11122         pass_gcse): New.
11123         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11124         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11125         pass_rtl_ifcvt, gate_handle_if_after_combine,
11126         rest_of_handle_if_after_combine, pass_if_after_combine,
11127         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11128         pass_if_after_reload): New.
11129         * integrate.c (pass_initial_value_sets): New.
11130         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11131         pass_purge_lineno_notes): New.
11132         * mode-switching.c (rest_of_handle_mode_switching,
11133         pass_mode_switching): New.
11134         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11135         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11136         pass_loop2): New.
11137         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11138         pass_loop_optimize): New.
11139         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11140         pass_sms): New.
11141         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11142         pass_gcse2): New.
11143         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11144         pass_postreload_cse): New.
11145         * profile.c (gate_handle_profiling, pass_profiling,
11146         rest_of_handle_branch_prob, pass_branch_prob): New.
11147         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11148         pass_split_before_regstack, gate_handle_split_before_regstack,
11149         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11150         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11151         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11152         pass_stack_regs): New.
11153         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11154         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11155         pass_stack_adjustments): New.
11156         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11157         pass_regrename): New.
11158         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11159         pass_delay_slots, gate_handle_machine_reorg,
11160         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11161         * rtl.h (extern void purge_line_number_notes): New.
11162         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11163         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11164         pass_sched2): New.
11165         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11166         pass_tracer): New.
11167         * value-prof.c (gate_handle_value_profile_transformations,
11168         rest_of_handle_value_profile_transformations,
11169         pass_value_profile_transformations): New.
11170         * var-tracking.c (gate_handle_var_tracking,
11171         pass_variable_tracking): New.
11172         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11173
11174         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11175         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11176         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11177         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11178         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11179         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11180         rest_of_handle_gcse2, rest_of_handle_regmove,
11181         rest_of_handle_tracer, rest_of_handle_if_conversion,
11182         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11183         rest_of_handle_web, rest_of_handle_branch_prob,
11184         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11185         rest_of_handle_jump_bypass, rest_of_handle_combine,
11186         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11187         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11188         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11189         rest_of_handle_mode_switching, rest_of_handle_jump,
11190         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11191         rest_of_handle_flow2, rest_of_handle_jump2,
11192         rest_of_handle_peephole2, rest_of_handle_postreload,
11193         rest_of_handle_shorten_branches, rest_of_clean_state,
11194         rest_of_compilation): Remove.
11195
11196         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11197         * passes.c (dump_flags, in_gimple_form, all_passes,
11198         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11199         register_dump_files, next_pass_1, last_verified, execute_todo,
11200         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11201         from tree-optimize.c.
11202         (init_optimization_passes): Moved from tree-optimize.c,
11203         adding the RTL optimizations.
11204         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11205         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11206         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11207         register_dump_files, next_pass_1, last_verified, execute_todo,
11208         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11209         init_tree_optimization_passes, ipa_passes): Delete.
11210         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11211         the RTL dumps.
11212         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11213         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11214         from tree.h.
11215         (ipa_passes): Remove.
11216         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11217         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11218         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11219         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11220         (dump_info_p, dump_flag): Moved to tree-dump.h.
11221
11222         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11223         cgraph.c, opts.c.
11224         * passes.c (finish_optimization_passes): Use dump_begin
11225         and dump_end, TDI_end.
11226         (gate_rest_of_compilation): New.
11227         (pass_rest_of_compilation): Use it.
11228         (gate_postreload, pass_postreload): New.
11229         * toplev.c (general_init): Rename init_tree_optimization_passes.
11230         * toplev.h (init_tree_optimization_passes): Rename to
11231         init_optimizations_passes.
11232         * tree-dump.c (dump_flag): Make static.
11233         (dump_files): Remove RTL dumps.
11234         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11235         pass_cleanup_cfg, pass_free_cfg_annotations,
11236         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11237         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11238         * tree-pretty-print.c: Include tree-pass.h.
11239         * cgraph.c: Include tree-dump.h.
11240
11241 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11242
11243         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11244         Only fall back to saying it points to readonly memory if
11245         we can't do better.
11246
11247 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11248
11249         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11250         * config/m32r/m32r.c (m32r_compute_frame_size,
11251         m32r_expand_prologue): Take current_function_profile into
11252         account whenever we reference
11253         current_function_uses_pic_offset_table.
11254         (m32r_finalize_pic): Remove.
11255         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11256
11257 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11258
11259         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11260         instead of $<.  Don't remove ./as if it already exists.
11261
11262 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11263
11264         PR target/21723
11265         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11266         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11267         for complex modes when generating code for PA 1.0.
11268         (VALID_FP_MODE_P): New macro.
11269         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11270         sets for all general and floating point modes.  Align wide floating
11271         point modes to even register boundaries to comply with architectural
11272         requirements.
11273         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11274         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11275         (VALID_FP_MODE_P): New macro.
11276         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11277         sets for all general and floating point modes.  Align wide floating
11278         point modes to even register boundaries to comply with architectural
11279         requirements.
11280
11281 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11282
11283         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11284         to 0.
11285
11286 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11287
11288         * tree-ssa-structalias.c: Don't include expr.h.
11289
11290 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11291
11292         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11293         comments.
11294
11295 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11296
11297         Fix PR tree-optimization/22279
11298
11299         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11300         correct operator.
11301
11302 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11303
11304         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11305
11306 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11307
11308         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11309         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11310         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11311         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11312         config/stormy16/stormy16.c, config/v850/v850.c,
11313         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11314         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11315         Avoid "." or "\n" at end of diagnostics and capital letters at
11316         start of diagnostics.
11317         * combine.c, cse.c: Don't translate dump file output.
11318         * toplev.c (print_version): Only translate output if going to
11319         stderr.
11320
11321 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11322
11323         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11324         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11325         typos.
11326
11327 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11328
11329         * pa.c (fix_range): Fix typo in comment.
11330
11331 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11332
11333         * tree-vrp.c (extract_range_from_assert): Replace
11334         fold (build (...)) with fold_build2.
11335
11336 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11337
11338         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11339         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11340         (format_types_orig, handle_format_attribute): Add support for
11341         format "gcc_gfc".
11342
11343 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11344
11345         * varasm.c (assemble_variable): Fix format specifier thinko.
11346
11347 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11348
11349         PR tree-optimization/22029 (and 22135)
11350         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11351         a phi node before calling dump_vops.
11352
11353 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11354
11355         * tree-dump.h (dump_string_field): Declare.
11356         * tree-dump.c: Use it instead of dump_string.
11357         (dump_string_field): Make non-static.
11358
11359 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11360
11361         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11362         up the minimal CFG stuff always when optimize > 0.  Call
11363         split_all_insns_noflow in PIC case if needed.
11364
11365 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11366             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11367
11368         PR c++/18279
11369         * c-decl.c (c_write_global_declarations): Dump contents of
11370         external scope to.
11371         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11372         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11373         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11374         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11375         is enabled.
11376
11377 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11378
11379         * c-common.h (GCC_DIAG_STYLE): Define.
11380         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11381         version for format checking to 4.1.
11382         * c-format.c: Include toplev.h after c-common.h.
11383         (enum format_type): Add gcc_tdiag_format_type.
11384         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11385         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11386         (format_types_orig): Add gcc_tdiag.
11387         (init_dynamic_diag_info): Support gcc_tdiag formats.
11388         (handle_format_attribute): Likewise.
11389         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11390         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11391         version for format checking to 4.1.
11392         (warning0, warning, error, pedwarn, sorry): Use
11393         ATTRIBUTE_GCC_DIAG.
11394         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11395         (finish_aliases_1): Do not use %qE.
11396         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11397         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11398         Correct format bugs.
11399         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11400         parameter to unsigned HOST_WIDE_INT.
11401         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11402
11403 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11404
11405         PR middle-end/21742
11406         * expr.c (write_complex_part): Use adjust_address for MEM.
11407         (read_complex_part): Same.
11408
11409 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11410
11411         Fix PR tree-optimization/22280
11412
11413         * tree-sra.c (generate_element_init): Remove useless loop.
11414
11415 2005-07-02  Richard Henderson  <rth@redhat.com>
11416
11417         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11418         TLS_MODEL_NONE.
11419         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11420
11421 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11422
11423         PR middle-end/14490
11424         * fold-const.c (fold_binary): Handle the return value of
11425         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11426         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11427
11428 2005-07-02  Jeff Law  <law@redhat.com>
11429
11430         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11431         a eliminate type conversion which feeds an equality comparison
11432         if the original type or either operand in the comparison is a
11433         function pointer.
11434
11435 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11436
11437         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11438         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11439         texts.
11440         * config/avr/avr.c: Do not use '`' as left quote.
11441         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11442         Remove "." from end of diagnostics.  Make diagnostics start with
11443         lowercase letter.
11444
11445 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11446             Joseph S. Myers  <joseph@codesourcery.com>
11447
11448         * toplev.c (default_tree_printer): Handle setting location with
11449         '+' flag.
11450         * c-objc.common.c (c_tree_printer): Likewise.
11451         * c-format.c (gcc_diag_flag_specs): Add '+'.
11452         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11453         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11454         formats.
11455         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11456         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11457         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11458         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11459         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11460         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11461         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11462         format arguments where %J is used without %D.
11463
11464 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11465
11466         * gcc.c (LINK_SSP_SPEC): Define.
11467         (link_ssp_spec): New variable.
11468         (LINK_COMMAND_SPEC): Add %(link_ssp).
11469         (static_specs): Add link_ssp_spec.
11470         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11471         * configure: Rebuilt.
11472         * config.in: Rebuilt.
11473
11474         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11475         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11476         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11477         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11478         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11479         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11480         -0x7008(2) instead of reading __stack_chk_guard variable.
11481         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11482         number.
11483         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11484         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11485         if TARGET_THREAD_SSP_OFFSET is defined.
11486         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11487         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11488
11489         Revert:
11490         2005-06-27  Richard Henderson  <rth@redhat.com>
11491         * libgcc-std.ver (GCC_4.1.0): New.
11492         * libgcc.h (__stack_chk_guard): Declare.
11493         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11494         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11495         * mklibgcc.in (lib2funcs): Add them.
11496
11497 2005-07-01  Richard Henderson  <rth@redhat.com>
11498
11499         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11500         void * before struct sigcontext *.
11501         (x86_fallback_frame_state): Likewise.
11502
11503 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11504
11505         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11506
11507 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11508
11509         PR tree-opt/22269
11510         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11511         we check for SSA_NAME for.
11512
11513 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11514
11515         Fix PR tree-optimization/22071
11516
11517         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11518         function.
11519         (get_constraint_for_component_ref): Use it.
11520
11521 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11522
11523         PR other/22264
11524         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11525         print out the last new line.
11526
11527 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11528
11529         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11530         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11531         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11532         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11533         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11534         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11535         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11536         (enum reg_class): New member CC0_REGS.
11537         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11538         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11539         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11540         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11541         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11542         Adjust for register now described.
11543
11544 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11545
11546         PR target/22262
11547         * config/i386/i386.md (stack_protect_test_si,
11548         stack_protect_test_di): Add earlyclobber for scratch 3.
11549         * config/rs6000/rs6000.md (stack_protect_testsi,
11550         stack_protect_testdi): Add earlyclobber for scratch 3,
11551         remove earlyclobber from scratch 4.
11552
11553 Older entries for 2005 can be found in ChangeLog-2005.