cfgcleanup.c (condjump_equiv_p, [...]): Fix whitespace in vincinity of to-be-installe...
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
2
3         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
4         Fix whitespace in vincinity of to-be-installed changes.
5         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
6         (insns_match_p): Likewise.
7
8 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
9
10         * config.gcc (ms1): Replace with ...
11         (mt): ... this.
12         * config/ms1: Rename to ...
13         * config/mt: ... here.  Rename ms1 files to mt.
14         * config/mt/mt.c: Adjust gt-mt.h #include.
15         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
16         (crti.o, crtn.o): Adjust file names.
17
18 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
19
20         * varray.h: Allow compilation with a C++ compiler.
21         (union varray_data_tag): Prefix all field names with "vdt_".
22         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
23         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
24         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
25         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
26         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
27         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
28         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
29         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
30         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
31         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
32         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
33         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
34         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
35         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
36         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
37         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
38         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
39         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
40         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
41         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
42         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
43         VARRAY_TOP_TREE_PTR): Likewise.
44         * varray.c (varray_grow): Likewise.
45         (varray_clear): Likewise.
46
47 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
48
49         PR target/25299
50         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
51         alignment to doubleword if the first field is a double array.
52         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
53
54 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
55
56         * tree-ssa-structalias.c (process_constraint): Remove code to
57         transform addressofs into scalar.
58         (create_variable_info_for): In whole-program IPA, globals don't
59         point to ANYTHING by default.
60
61 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
62
63         * timevar.def (TV_IPA_PTA): New.
64         * tree-pass.h (pass_ipa_pta): New
65         * tree-ssa-structalias.c: Include cgraph.h
66         (in_ipa_mode): New.
67         (predbitmap_obstack): New.
68         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
69         (struct constraint_stats): Add num_edges.
70         (new_var_info): Don't call bitmap_clear.
71         (struct constraint_edge): Update docs.
72         (new_constraint_edge): Remove src param.
73         (struct constraint_graph): Add zero_weight_succs,
74         zero_weight_preds.  Update docs.
75         (constraint_expr_equal): Reformat.
76         (constraint_edge_equal): Update for removal of src.
77         (constraint_edge_less): Ditto.
78         (constraint_edge_vec_find): Ditto.
79         (erase_graph_self_edge): Update for removal of src and and zero
80         weight bitmap.
81         (clear_edges_for_node): Ditto.
82         (add_graph_edge): Ditto.
83         (get_graph_weights): Ditto.
84         (allocate_graph_weights): Ditto.
85         (merge_graph_nodes): Ditto.
86         (int_add_graph_edge): Ditto.
87         (valid_graph_edge): Ditto.
88         (valid_weighted_graph_edge): Ditto.
89         (build_constraint_graph): Ditto.
90         (scc_visit): Ditto.
91         (collapse_nodes): Ditto.
92         (process_unification_queue): Ditto.
93         (topo_visit): Ditto.
94         (solve_graph): Ditto.
95         (do_structure_copy): Ditto.
96         (perform_var_substitution): Ditto.
97         Init and release obstack.
98         (handle_ptr_arith): Try to resolve directly.
99         (find_func_aliases): Don't call update_alias_info here
100         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
101         (do_sd_constraint): Add code for propagating faster.
102         Update.
103         (do_ds_constraint): Ditto.
104         (count_num_arguments): New function.
105         (create_function_info_for): Ditto.
106         (create_variable_info_for): Handle FUNCTION_DECL.
107         (intra_create_variable_infos): Use make_constraint_to_anything.
108         (init_alias_vars): Init obstacks here.
109         (need_to_solve): Handle zero weight graph changes.
110         (compute_points_to_sets): Call update_alias_info here.
111         (delete_points_to_sets): Free zero weight preds/succs here.
112         (gate_ipa_pta): New.
113         (ipa_pta_execute): New
114
115 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
116
117         * tree-ssa-structalias.c (var_anyoffset): Removed.
118         (anyoffset_tree): Ditto.
119         (anyoffset_id): Ditto.
120         (do_deref): Take vector of constraints, no return value.
121         Update to work on vector.                
122         (get_constraint_for): Ditto.
123         (get_constraint_for_component_ref): Ditto.
124         (do_structure_copy): Ditto.
125         (handle_ptr_arith): Ditto.
126         (find_func_aliases): Ditto.
127         (set_uids_in_ptset): Remove anyoffset handling.
128         (init_base_vars): Ditto.
129
130 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
131
132         PR c++/25010
133         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
134         DECL_EXTERNAL functions have no bodies.  Tidy.
135
136 2005-12-10  Andreas Schwab  <schwab@suse.de>
137
138         * except.c (switch_to_exception_section): Only define if
139         TARGET_UNWIND_INFO is not defined.
140
141 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
142
143         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
144         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
145
146 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
147
148         * output.h (init_section, fini_section): Delete.
149         * varasm.c (init_section, fini_section): Delete.
150         (init_varasm_once): Don't initialize them.
151         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
152         there are no corresponding varasm.c variables.
153
154 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
155
156         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
157         of EH_FRAME_SECTION_NAME into...
158         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
159         if it is still null.
160         * except.c (default_exception_section): Delete, moving most
161         of the code to...
162         (switch_to_exception_section): ...this new function.  Set
163         exception_section if it is still null, then switch to it.
164         (output_function_exception_table): Use switch_to_exception_section.
165         * varasm.c (exception_section, eh_frame_section): Update comments.
166         (get_section): Hoist use of SECTION_NAMED.
167         (init_varasm_once): Don't set exception_section and eh_frame_section.
168         * output.h (default_exception_section): Delete.
169         (default_eh_frame_section): Delete.
170
171 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
172
173         * config/bfin/bfin.c: Include "cgraph.h".
174         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
175         Return the reg that holds the pointer to the GOT.
176         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
177         doing stack checking.
178
179 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
180
181         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
182         recompute_tree_invarant_for_addr_expr.
183         Update uses everywhere.
184
185 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
186
187         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
188         (MULTILIB_DIRNAMES): Define.
189
190 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
191
192         PR target/25311
193         * config/s390/s390.c (struct s390_address): New field literal_pool.
194         (s390_decompose_address): Compute literal_pool field.  Do not 
195         assume register %r13 is always (and solely) used as pool base.
196         (s390_extra_constraint_str): Use literal_pool field.
197
198 2005-12-09  Thiemo Seufer  <ths@networkno.de>
199
200         * config/mips/mips.c (override_options): Don't allow too small
201         integers in FP registers.
202
203 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
204
205         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
206         targetm.binds_local_p to check for local function calls.
207
208 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
209
210         PR debug/24908
211         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
212         call_used_regs can't be used to save reg in another reg.
213
214 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
215             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
216
217         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
218         abort.
219         * except.c (output_ttype): Likewise.
220         * tree-object-size.c (collect_object_sizes_for): Likewise.
221         (check_for_plus_in_loops_1): Likewise.
222         (check_for_plus_in_loops): Likewise.
223         (compute_object_sizes): Use gcc_unreachable instead of abort.
224
225 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
226
227         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
228         (loop_end, loop_init, doloop_end): New insns.
229         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
230         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
231         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
232         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
233         * config/ms1/ms1.c: #include basic-block.h
234         (struct machine_function): Add has_loops field.
235         (ms1_add_loop): New.
236         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
237         (struct loop_info, struct loop_work): New.
238         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
239         (ms1_reorg_loops): New loop optimization.
240         (ms1_machine_reorg): Call it.
241         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
242
243 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
244
245         PR tree-optimization/25248
246         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
247         evolution_of_loop from the failed attempt.  Remove handling
248         of MULT_EXPR.
249
250 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
251
252         * tree.h (DECL_EXTERNAL): Clarify documentation.
253
254 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
255             Jakub Jelinek  <jakub@redhat.com>
256
257         PR target/25268
258         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
259         argument.  Don't drop outer ANDs.
260         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
261         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
262         prototype.
263         * config/s390/predicates.md (setmem_operand): Remove.
264         (shift_count_operand): Rename to...
265         (shift_count_or_setmem_operand): ... this.  Adjust
266         s390_decompose_shift_count caller.
267         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
268         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
269         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
270         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
271         rotl<mode>3_and, setmem_long_and): New insns.
272         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
273         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
274         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
275         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
276         of shift_count_operand.
277         (setmem_long): Use shift_count_or_setmem_operand instead of
278         setmem_operand.
279
280 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
281             Andreas Tobler  <a.tobler@schweiz.ch>
282
283         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
284         tr expression.
285
286 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
287
288         * expr.c (force_operand): Use convert_to_mode for conversions.
289
290 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
291
292         * reload.h (reg_equiv_invariant): Declare.
293         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
294         register also when reg_equiv_invariant[R] is set.
295
296 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
297             Andreas Tobler  <a.tobler@schweiz.ch>
298
299         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
300
301 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
302
303         * tree-ssa-pre.c (bitmap_set_and): New function.
304         (bitmap_set_and_compl): New function.
305         (bitmap_set_empty_p): New function.
306         (insert_extra_phis): New function.
307         (compute_avail): Use insert_extra_phis.
308
309 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
310
311         * config/s390/s390.c (s390_expand_atomic): New function.
312         Adjust comment of helper functions.
313         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
314         * config/s390/s390.md ("ATOMIC"): New code macro.
315         ("atomic"): Corresponding new code attribute.
316         ("sync_lock_test_and_set[hq]i", 
317         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
318
319 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
320
321         * config/s390/s390.c (s390_expand_mask_and_shift, 
322         struct alignment_context, init_alignment_context, 
323         s390_expand_cs_hqi): New.
324         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
325         * config/s390/s390.md ("sync_compare_and_swaphi",
326         "sync_compare_and_swapqi"): New pattern.
327
328 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
329
330         Fix PR tree-optimization/25291
331         * tree-ssa-operands.c (add_call_clobber_ops): Remove
332         redundant and crashing check.
333
334 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
335
336         PR target/25212
337         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
338         tests further when !strict && reload_in_progress.
339         (print_operand): Check that both operands of indexed address are regs.
340         (print_operand_address): Likewise.
341         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
342         (INT_REG_OK_FOR_BASE_P): Correct.
343
344 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
345
346         Preparation for PR rtl-optimization/20070 / part1
347         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
348         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
349         outgoing_edges_match.
350         (outgoing_edges_match): Use condjump_equiv_p.
351         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
352         into..
353         * struct-equiv.c: New file.
354         (death_notes_match_p) New function, broken out of insns_match_p.
355         * Makefile.in (OBJS-common): Add struct-equiv.o.
356         (struct-equiv.o): New target.
357
358 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
359
360         * coretypes.h: Revert previous change.
361         * config/darwin.h: Revert previous reversion.
362         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
363
364 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
365
366         * coretypes.h (section): Provide dummy definition for target files.
367         * config/darwin.h: Revert previous change.
368
369 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
370
371         * doc/sourcebuild.texi (all.build, install-normal): Remove.
372         * configure.ac: Remove all.build and install-normal from target_list
373         * configure: Regenerate.
374         * Makefile.in (install): Don't depend on install-normal.
375
376 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
377
378         * Makefile.in: Document the use of stamps.
379
380 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
381
382         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
383         * Makefile.in: Add code to compute some dependencies on s-gtype
384         automatically.  Remove the declaration of those dependencies.
385
386 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
387
388         * gcc/reload.c (push_secondary_reload): Fix typo:
389         s/insn_constraint/scratch_constraint/.
390
391 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
392
393         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
394
395 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
396
397         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
398         (alpha_elf_select_rtx_section): Return the selected section rather
399         than emitting assembly code.
400         (alpha_write_linkage): Emit a ".link" directive directly and then
401         set in_section to NULL.
402         (vms_asm_out_constructor): Use switch_to_section.
403         (vms_asm_out_destructor): Likewise.
404         (unicosmk_output_common): Set in_section to NULL instead of calling
405         the dummy common_section function.
406         (unicosmk_text_section): Delete in favor of...
407         (unicosmk_output_text_section_asm_op): ...this new function.
408         (unicosmk_data_section): Delete in favor of...
409         (unicosmk_output_data_section_asm_op): ...this new function.
410         (unicosmk_init_sections): New function.
411         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
412         (unicosmk_output_ssib): Set in_section to NULL instead of calling
413         the dummy ssib_section function.
414         (unicosmk_section_buf): Delete.
415         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
416         (unicosmk_data_section): Delete.
417         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
418         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
419         (SECTION_FUNCTION_TEMPLATE): Delete.
420         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
421         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
422         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
423         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
424         (TARGET_ASM_INIT_SECTIONS): Define.
425         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
426         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
427         (link_section, literals_section): Delete.
428         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
429         set in_section to NULL.
430
431         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
432         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
433         (COMMON_SECTION): Delete.
434         (TARGET_ASM_INIT_SECTIONS): Define.
435         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
436         the dummy common_section function.
437         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
438         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
439         between readonly_data_section and text_section to check whether
440         read-only data is being put in the text section.
441         (arm_output_function_epilogue): Use switch_to_section.
442         (arm_elf_asm_constructor): Likewise.
443         (thumb_call_via_reg): Replace call to in_text_section with
444         a comparison between in_section and text_section.
445         (arm_file_end): Use switch_to_section.
446         (aof_text_section): Delete in favor of...
447         (aof_output_text_section_asm_op): ...this new function.
448         (aof_data_section): Delete in favor of...
449         (aof_output_data_section_asm_op): ...this new function.
450         (aof_asm_init_sections): New function.
451         (zero_init_section): Moved from config/arm/aof.h.
452         (aof_dump_imports, aof_file_start): Use switch_to_section.
453         * config/arm/arm.h (thumb_call_via_label): Update comment.
454         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
455         (common_section): Delete.
456         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
457         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
458         global switch_to_section function instead of the old port-local one.
459         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
460         (SWITCH_TO_SECTION_FUNCTION): Delete.
461         (drectve_section): Redefine as a macro.
462         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
463         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
464         switch_to_section.
465
466         * config/avr/avr.c (progmem_section): New variable.
467         (avr_output_progmem_section_asm_op): New function.
468         (avr_asm_init_sections): New function.
469         (avr_output_addr_vec_elt): Use switch_to_section.
470         * config/avr/avr.h (progmem_section): Declare.
471         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
472         (READONLY_DATA_SECTION): Delete.
473         (TARGET_ASM_INIT_SECTIONS): Define.
474         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
475         * config/avr/avr-protos.h (progmem_section): Delete.
476
477         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
478
479         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
480         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
481
482         * config/darwin-sections.def: New file.
483         * config/darwin.c: Define all sections in darwin-sections.def.
484         (output_objc_section_asm_op, darwin_init_sections): New functions.
485         (machopic_output_indirection): Use switch_to_section.
486         (machopic_select_section): Return the selected section rather than
487         emitting assembly code.  Replace the static function table with
488         inline conditional expressions.  Update the tests of last_text_section
489         and move them into the FUNCTION_DECL block.
490         (machopic_select_rtx_section): Return the selected section rather than
491         emitting assembly code.
492         (machopic_asm_out_constructor, machopic_asm_out_destructor)
493         (darwin_file_end): Use switch_to_section.
494         * config/darwin.h: Use darwin-sections.def to declare sections.
495         (INIT_SECTION_ASM_OP): Remove empty definition.
496         (HAS_INIT_SECTION): Define this instead.
497         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
498         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
499         (TARGET_ASM_EH_FRAME_SECTION): Delete.
500         (TARGET_ASM_INIT_SECTIONS): Define.
501         * config/darwin-protos.h (darwin_init_sections): Declare.
502         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
503         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
504         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
505         (constructor_section, destructor_section, mod_init_section): Delete.
506         (mod_term_section): Delete.
507         (darwin_exception_section, darwin_eh_frame_section): Delete.
508         (machopic_select_section): Return a section.
509         (machopic_select_rtx_section): Likewise.
510         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
511         (const_section, const_coal_section, const_data_section): Delete.
512         (const_data_coal_section, data_coal_section, cstring_section): Delete.
513         (literal4_section, literal8_section, constructor_section): Delete.
514         (mod_init_section, mod_term_section, destructor_section): Delete.
515         (objc_class_section, objc_meta_class_section, objc_category_section)
516         (objc_class_vars_section, objc_instance_vars_section): Delete.
517         (objc_cls_meth_section, objc_inst_meth_section): Delete.
518         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
519         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
520         (objc_symbols_section, objc_module_info_section): Delete.
521         (objc_image_info_section, objc_protocol_section): Delete.
522         (objc_string_object_section, objc_constant_string_object_section)
523         (objc_class_names_section, objc_meth_var_names_section): Delete.
524         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
525         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
526         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
527         (darwin_exception_section, darwin_eh_frame_section): Delete.
528         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
529
530         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
531         (frv_asm_out_destructor): Likewise.
532         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
533         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
534         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
535         get_named_section.
536         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
537         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
538         (data_section): Delete.
539
540         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
541         (DRECTVE_SECTION_FUNCTION): Delete.
542         (drectve_section): Redefine as a macro that sets in_section after
543         emitting the directive.
544         (SWITCH_TO_SECTION_FUNCTION): Delete.
545         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
546         in_text_section with comparison between in_section and text_section.
547         * config/i386/i386.c (x86_64_elf_select_section): Return the section
548         rather than emitting assembly code.  Use get_named_section.
549         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
550         get_named_section.
551         (machopic_output_stub): Use switch_to_section.
552         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
553         (nwld_named_section_asm_out_destructor): Use get_section and
554         switch_to_section.
555
556         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
557         rather than emitting assembly code.
558         (ia64_rwreloc_select_section): Likewise.
559         (ia64_rwreloc_select_rtx_section): Likewise.
560         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
561         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
562         switch_to_section.
563         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
564         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
565
566         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
567         section rather than emitting assembly code.
568         (iq2000_select_section): Likewise.
569         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
570         (sbss_section): Delete.
571
572         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
573         and get_named_section.
574         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
575
576         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
577         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
578         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
579         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
580         in_section to NULL.
581         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
582         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
583         global switch_to_section function instead of the old port-local one.
584         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
585         (SWITCH_SECTION_FUNCTION): Delete.
586         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
587         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
588         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
589         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
590         in_section to NULL.
591         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
592         global switch_to_section function instead of the old port-local one.
593         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
594
595         * config/mips/mips.c (mips_file_start): Update comment.
596         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
597         (mips_output_aligned_decl_common): Use switch_to_section.
598         (mips_select_rtx_section): Return the section rather than emitting
599         assembly code.  Use get_named_section.
600         (mips_function_rodata_section: Likewise get_section.
601         (build_mips16_function_stub): Use switch_to_section.
602         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
603         (SDATA_SECTION_ASM_OP): Delete.
604         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
605         (EXTRA_SECTION_FUNCTIONS): Delete.
606
607         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
608         (mmix_asm_output_aligned_local): Use switch_to_section.
609
610         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
611         (som_one_only_readonly_data_section): New variables.
612         (pa_output_function_epilogue): Set in_section to NULL instead of
613         calling forget_section.
614         (output_deferred_plabels): Use select_section.
615         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
616         of calling forget_section.
617         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
618         (pa_asm_output_aligned_local): Use select_section.
619         (som_text_section_asm_op): Delete in favor of...
620         (som_output_text_section_asm_op): ...this new function.
621         (pa_som_asm_init_sections): New function.
622         (pa_select_section): Return the section rather than emitting
623         assembly code.
624         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
625         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
626         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
627         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
628         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
629         (som_readonly_data_section, som_one_only_readonly_data_section)
630         (som_one_only_data_section, forget_section): Delete.
631         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
632         (TARGET_ASM_INIT_SECTIONS): Define.
633         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
634
635         * config/rs6000/rs6000.c (read_only_data_section): New variable.
636         (private_data_section, read_only_private_data_section): New variables.
637         (sdata2_section, toc_section): New variables.
638         (rs6000_file_start): Use switch_to_section.
639         (rs6000_assemble_integer): Use comparisons against in_section
640         instead of calling in_toc_section and in_text_section.  Use
641         unlikely_text_section_p.
642         (rs6000_elf_output_toc_section_asm_op): New function, derived
643         from the old rs6000/sysv4.h toc_section function.
644         (rs6000_elf_asm_init_sections): New function.
645         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
646         the section rather than emitting assembly code.
647         (machopic_output_stub): Use switch_to_section.
648         (toc_section): Delete dummy function.
649         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
650         switch_to_section and get_section.
651         (rs6000_xcoff_output_readonly_section_asm_op): New function.
652         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
653         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
654         the old rs6000/xcoff.h toc_section function.
655         (rs6000_xcoff_asm_init_sections): New function.
656         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
657         the section rather than emitting assembly code.
658         (rs6000_xcoff_file_start): Use switch_to_section.
659         (rs6000_xcoff_file_end): Likewise.
660         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
661         (sdata2_section, sbss_section, private_data_section): Delete.
662         (read_only_data_section, read_only_private_data_section): Delete.
663         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
664         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
665         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
666         (FINI_SECTION_FUNCTION): Delete.
667         (TARGET_ASM_INIT_SECTIONS): Define.
668         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
669         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
670         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
671         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
672         (READONLY_DATA_SECTION): Delete.
673         (TARGET_ASM_INIT_SECTIONS): Define.
674         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
675         to NULL rather than no_section.
676         (TARGET_ASM_EXCEPTION_SECTION): Delete.
677
678         * config/sh/sh.c (sh_file_start): Use switch_to_section.
679
680         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
681         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
682         from call to current_function_section.
683
684         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
685         (bss100_section): New variable.
686         (xstormy16_asm_output_aligned_common): Use switch_to_section.
687         (xstormy16_asm_init_sections): New function.
688         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
689         switch_to_section and get_section.
690         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
691         from calls to current_function_section.
692         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
693         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
694         (TARGET_ASM_INIT_SECTIONS): Define.
695         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
696
697         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
698         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
699         (FINI_SECTION_FUNCTION): Delete.
700
701         * config/v850/v850.c: Include gt-v850.h.
702         (rosdata_section, rozdata_section, tdata_section, zdata_section)
703         (zbss_section): New variables.
704         (v850_output_aligned_bss): Use switch_to_section.
705         (v850_asm_init_sections): New function.
706         (v850_select_section): Return the section rather than emitting
707         assembly code.
708         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
709         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
710         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
711         (TARGET_ASM_INIT_SECTIONS): Define.
712         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
713         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
714         (zbss_section): Delete.
715
716         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
717
718         * config/vx-common.h (vxworks_exception_section): Delete.
719         (TARGET_ASM_EXCEPTION_SECTION): Delete.
720
721         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
722         section rather than emitting assembly code.
723         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
724         switch_to_section.
725
726         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
727         * coretypes.h (section): New union and typedef.
728         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
729         from call to current_function_section.
730         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
731         (dbxout_symbol_location): Use switch_to_section.
732         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
733         most of the code into...
734         (default_eh_frame_section): ...here.  Return a section.
735         (collect2_eh_frame_section): Delete, moving most of the code into..
736         (switch_to_eh_frame_section): ...this new function.
737         (debug_info_section, debug_abbrev_section, debug_aranges_section)
738         (debug_macinfo_section, debug_line_section, debug_loc_section)
739         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
740         variables.
741         (output_call_frame_info): Call switch_to_eh_frame_section instead of
742         eh_frame_section.  Use switch_to_section and get_section.
743         (dwarf2out_begin_prologue): Use switch_to_section.
744         (AT_string_form): Check the flags in debug_str_section instead of
745         DEBUG_STR_SECTION_FLAGS.
746         (output_comp_unit): Use switch_to_section, get_section, and
747         debug_info_section.
748         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
749         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
750         from call to current_function_section.
751         (dwarf2out_var_location): Use unlikely_text_section_p.
752         (dwarf2out_source_line): Use switch_to_section.  Remove argument
753         from call to current_function_section.
754         (dwarf2out_start_source_file, dwarf2out_end_source_file)
755         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
756         debug_macinfo_section.
757         (dwarf2out_init): Initialize the new section variables.  Use them
758         instead of calls to named_section_flags.  Use switch_to_section.
759         (output_indirect_string): Use switch_to_section and debug_str_section.
760         (dwarf2out_finish): Use switch_to_section and the new section
761         variables.
762         * except.c (default_exception_section): Return the section instead
763         of emitting assembly code.
764         (output_function_exception_table): Use the global exception_section
765         variable instead of the target hook.  Use switch_to_section.  Remove
766         argument from call to current_function_section.
767         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
768         (shorten_branches): Use pointer comparisons to detect whether the
769         text section is the same as readonly_data_section.
770         (profile_function): Use switch_to_section.  Remove argument from
771         call to current_function_section.
772         (final_scan_insn): Likewise.  Update use of last_text_section.
773         * gengtype.c (open_base_files): Add an include of output.h.
774         * output.h (text_section, data_section, readonly_data_section)
775         (ctors_section, dtors_section, bss_section, init_section)
776         (fini_section, sdata_section): Turn into section pointers.
777         (in_text_section, in_unlikely_text_section, exports_section)
778         (drectve_section, named_section, mergeable_string_section)
779         (last_text_section_name): Delete.
780         (default_exception_section, default_eh_frame_section): Return sections.
781         (SECTION_DECLARED, SECTION_NAMED): New macros.
782         (SECTION_MACH_DEP): Bump value.
783         (section_common, named_section, unnamed_section): New structures.
784         (unnamed_section_callback): New typedef.
785         (section): New union.
786         (sbss_section, exception_section, eh_frame_section): New variables.
787         (in_section, last_text_section): Turn into section pointers.
788         (get_unnamed_section, get_section, get_named_section): New functions.
789         (mergeable_constant_section, function_section): Return a section.
790         (unlikely_text_section): Likewise.
791         (current_function_section): Likewise.  Remove the decl argument.
792         (unlikely_text_section_p, switch_to_section): New functions.
793         (output_section_asm_op): New function.
794         (set_named_section_flags, named_section_flags, named_section_real)
795         (named_section_first_declaration): Delete.
796         (default_select_section, default_elf_select_section): Return a section.
797         (default_elf_select_section_1, default_function_rodata_section)
798         (default_no_function_rodata_section, default_select_rtx_section)
799         (default_elf_select_rtx_section): Likewise.
800         * rtl.h (in_data_section): Delete.
801         * sdbout.c (sdbout_one_type): Use switch_to_section.
802         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
803         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
804         (TARGET_ASM_EH_FRAME_SECTION): Poison.
805         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
806         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
807         (TARGET_ASM_OUT): Update after above changes.
808         * target.h (init_sections): New hook.
809         (exception_section, eh_frame_section): Delete.
810         (select_section, select_rtx_section, function_rodata_section): Return
811         a section rather than emitting assembly code.
812         * varasm.c (text_section, data_section, readonly_data_section)
813         (ctors_section, dtors_section, bss_section, init_section)
814         (fini_section): Turn into section pointers.
815         (sdata_section, sbss_section, exception_section): New variables.
816         (eh_frame_section): New variable.
817         (in_section): Make global and turn into a section pointer.
818         (last_text_section): Turn into a section pointer.
819         (unnamed_sections): New variable.
820         (in_named_name, last_text_section_name): Delete.
821         (EXTRA_SECTION_FUNCTIONS): Delete.
822         (in_named_entry): Delete.
823         (section_htab): New variable, replacing...
824         (in_named_htab): ...this deleted variable.
825         (section_entry_eq, section_entry_hash): New functions, based on...
826         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
827         (get_unnamed_section, get_section): New functions.
828         (unlikely_text_section): Return a section instead of emitting
829         assembly code.
830         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
831         (get_named_section_flags, named_section_first_declaration): Delete.
832         (unlikely_text_section_p): New function.
833         (named_section_real, named_section): Delete.
834         (get_named_section): New function.
835         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
836         (function_section): Return a section rather than emitting
837         assembly code.
838         (current_function_section): Likewise.  Remove argument.  Use
839         last_text_section if nonnull, otherwise use function_section.
840         (default_function_rodata_section): Return a section rather than
841         emitting assembly code.  Use get_section.
842         (default_no_function_rodata_section): Return a section rather than
843         emitting assembly code.
844         (variable_section): Use switch_to_section and get_named_section.
845         (mergeable_string_section): Return a section rather than emitting
846         assembly code.  Use get_section.  Make static.  Don't take special
847         countermeasures for empty strings.
848         (mergeable_constant_section): Return a section rather than emitting
849         assembly code.  Use get_section.
850         (default_named_section_asm_out_destructor): Use switch_to_section
851         and get_section.
852         (default_dtor_section_asm_out_destructor): Use switch_to_section.
853         (default_named_section_asm_out_constructor): Use switch_to_section
854         and get_section.
855         (default_ctor_section_asm_out_constructor): Use switch_to_section.
856         (assemble_start_function): Likewise.  Set last_text_section to
857         NULL rather than no_section.  Change the type of save_section.
858         (assemble_zeros, assemble_variable): Use the section flags to detect
859         whether or not a section is text.
860         (assemble_static_space): Use switch_to_section.
861         (assemble_trampoline_template): Likewise.
862         (output_constant_def_contents): Use switch_to_section and
863         get_named_section.
864         (output_constant_pool_1): Use switch_to_section.  Use the section
865         flags to see whether sections contain mergeable data.
866         (init_varasm_once): Initialize section_htab instead of in_named_htab.
867         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
868         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
869         whether a section has already been declared.
870         (default_select_section, default_elf_select_section): Return a
871         section rather than emitting assembly code.
872         (default_elf_select_section_1): Likewise.  Use bss_section for
873         SECCAT_BSS if nonnull.  Use get_named_section.
874         (default_select_rtx_section): Return a section rather than
875         emitting assembly code.
876         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
877         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
878         (output_section_asm_op, switch_to_section): New functions.
879         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
880         get_named_section.
881
882         * doc/tm.texi: Expand the introduction to the sections documentation.
883         (TRAMPOLINE_SECTION): Document new interface.
884         (SDATA_SECTION_ASM_OP): Document new macro.
885         (READONLY_DATA_SECTION): Delete.
886         (SDATA_SECTION_ASM_OP): Document new macro.
887         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
888         (TARGET_ASM_INIT_SECTIONS): Document new hook.
889         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
890         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
891         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
892
893 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
894
895         * gcc.c (init_gcc_specs): Match braces inside conditionally
896         compiled strings.
897
898 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
899
900         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
901
902 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
903
904         PR C++/24138
905         * tree.c (integer_all_onesp): Always return true if all bits on.
906
907         * testsuite/g++.dg/init/array0.C: New.
908
909 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
910
911         * doc/md.texi: Adapt to implementation.
912
913 2005-12-06  Andreas Schwab  <schwab@suse.de>
914
915         * opts.c (decode_options): Fix typo in message.
916
917 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
918
919         PR other/13873
920         * longlong.h: Merge PPC tests from upstream.
921
922 2005-12-06  Richard Guenther  <rguenther@suse.de>
923
924         * fold-const.c (fold_convert): Do not build and fold
925         CONVERT_EXPR, but always use NOP_EXPR.
926
927 2005-12-06  Jan Beulich  <jbeulich@novell.com>
928
929         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
930         __builtin_ia32_paddq and __builtin_ia32_subq.
931         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
932         __builtin_ia32_pshufw.
933         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
934
935 2005-12-05  James E Wilson  <wilson@specifix.com>
936
937         PR target/24934
938         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
939         is set.
940
941 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
942         
943         * print-tree.c (print_node): Ditto.
944         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
945         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
946         before accessing DECL_ARTIFICIAL. 
947         Handle new tag tree codes.
948         * tree-flow-inline.h (clear_call_clobbered): Update for tag
949         changes.
950         (unmodifiable_var_p): Ditto.
951         * tree-flow.h (mem_tag_kind): Remove.
952         (struct var_ann_d): Remove mem_tag_kind member.
953         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
954         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
955         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
956         (group_aliases): Ditto.
957         (setup_pointers_and_addressables): Ditto.
958         (is_escape_site): Ditto.                                          
959         (may_alias_p): Ditto.
960         (create_tag_raw): New function.
961         (create_memory_tag): Use it.
962         (dump_alias_info): Update for tags.
963         (may_be_aliased): Ditto.
964         (add_type_alias): Ditto.
965         (new_type_alias): Ditto.
966         (create_sft): Ditto.
967         (create_structure_vars): Ditto.
968         * tree-ssa-ccp.c (get_default_value): Ditto.
969         * tree-ssa-operands.c (get_expr_operands): Ditto.
970         (add_stmt_operand): Ditto.
971         (add_call_clobber_ops): Remove duplicated condition.
972         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
973         tags.
974         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
975         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
976         * tree.c (init_ttree): Update structures for new tree codes.
977         (tree_code_size): Update sizes for new tree codes.
978         (make_node_stat): Don't try to set common things on minimal
979         structures.
980         (tree_node_structure): Update for tags.
981         (is_global_var): Ditto.
982         * tree.def: Add new tree codes.
983         * tree.h (MTAG_P): New macro.
984         (TREE_MEMORY_TAG_CHECK): Ditto.
985         (SSA_VAR_P): Update for tags.
986         (struct tree_memory_tag): New structure.
987         (MTAG_GLOBAL): New macro.
988         (union tree_node): Add memory tag member.
989         * treestruct.def (TS_MEMORY_TAG): New.
990         
991 2005-12-05  Dale Johannesen  <dalej@apple.com>
992
993         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
994         what was approved (PR 24323).
995
996 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
997
998         * doc/c-tree.texi (Function Bodies): Remove description of
999         RETURN_INIT.
1000
1001 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1002
1003         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1004         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1005         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1006         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1007         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1008         __divxc3): Document.
1009
1010 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1011
1012         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1013         previous behaviour.
1014         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1015         hook_bool_void_false.
1016         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1017         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1018
1019         * config/darwin.c (machopic_select_section): It's not defined
1020         as weak if it's only marked as weak_import.
1021         
1022         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1023         Prototype.
1024
1025         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1026         A hidden weak object does bind locally.  Strong linkonce data
1027         counts like any other strong symbol for binding.
1028         (weak_finish_1): Don't specially handle weakrefs, they no longer
1029         arrive here.
1030         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1031         * c-common.c (handle_alias_attribute): Allow static aliases
1032         of variables.
1033         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1034         * gthr-dce.h: Make weakrefs static.
1035         * gthr-tpf.h: Likewise.
1036         * gthr-solaris.h: Likewise.
1037         * gthr-posix.h: Likewise.
1038         * gthr-posix95.h: Likewise.
1039         * config/darwin.c (darwin_encode_section_info): static weakref
1040         variables are not necessarily defined in this translation unit.
1041         * doc/extend.texi (Function Attributes): Mention that an alias
1042         attribute creates a definition for the thing it's attached to.
1043         Change the documentation for weakref to say that the thing
1044         it's attached to must be static.
1045
1046         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1047         we don't go into an infinite loop.
1048
1049 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1050
1051         * config/rs6000/predicates.md (logical_const_operand): Split
1052         out of logical_operand.
1053         (logical_operand): Use it.
1054         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1055         logical_const_operand.
1056
1057 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1058
1059         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1060         and IX86_BUILTIN_CMPNESS.
1061         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1062         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1063         * config/i386/i386.md (movti_internal): Correct type attribute.
1064         Simplify mode attribute.
1065         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1066         Correct type attribute.
1067         (absxf2): Correct operator.
1068         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1069         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1070         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1071         mode attribute.
1072         (sse2_vmsqrtv2df2): Correct mode attribute.
1073
1074 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1075
1076         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1077         16 bits. Provide insn pattern for this case.
1078
1079 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1080
1081         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1082         result.
1083         (__popcountDI2): Likewise.
1084
1085 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1086
1087         PR target/25166
1088         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1089         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1090         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1091         functions.
1092
1093 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1094
1095         * c-typeck.c (null_pointer_constant_p): New function.
1096         (build_conditional_expr, build_c_cast, convert_for_assignment,
1097         build_binary_op): Use it.
1098
1099 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1100
1101         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1102         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1103         CONVERT_EXPR.
1104         (check_function_arguments_recurse): Allow both NOP_EXPR and
1105         CONVERT_EXPR but check conversions preserve precision.
1106         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1107         but check conversions preserve precision.
1108         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1109         default case.
1110
1111 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1112
1113         PR c/7776
1114         * common.opt (Wstring-literal-comparison): New command line option.
1115         * c-opts.c (c_common_handle_option): Set it with -Wall.
1116         * c-typeck.c (parser_build_binary_op): Issue warning if either
1117         operand of a comparison operator is a string literal, except for
1118         testing equality or inequality against NULL.
1119
1120         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1121
1122 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1123
1124         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1125         of building a NOP_EXPR.
1126         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1127         NOP_EXPR.
1128         * c-convert.c (convert): Use fold_convert instead of building
1129         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1130         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1131         #if 0 code.
1132         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1133         NOP_EXPR the same as CONVERT_EXPR.
1134         * c-typeck.c (build_function_call): Use fold_convert instead of
1135         building a NOP_EXPR directly.
1136         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1137
1138 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1139
1140         PR rtl-optimization/25197
1141         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1142         have a reg.
1143
1144 2005-12-02  Stuart Hastings  <stuart@apple.com>
1145
1146         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1147         warning.
1148
1149 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1150
1151         * c-typeck.c (default_function_array_conversion,
1152         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1153         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1154         orig_op2.  Don't check them for NOP_EXPR.
1155         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1156         around integer zero.
1157
1158 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1159
1160         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1161         toc_save_offset, toc_size, lr_size.
1162         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1163         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1164         Adjust for removal of unused rs6000_stack_t fields.
1165         (debug_stack_info): Adjust.
1166         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1167         first, and don't bother checking for set/inc of lr on sibcalls.
1168         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1169
1170 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1171
1172         PR target/25199
1173         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1174         5 if operand 1 is not aligned.  Undo previous constraint change.
1175         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1176
1177 2005-12-02  Richard Guenther  <rguenther@suse.de>
1178
1179         * tree.h (build): Remove prototype.
1180         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1181         * tree.c (build): Remove.
1182         (build0_stat): Update comment.
1183
1184 2005-12-02  Richard Guenther  <rguenther@suse.de>
1185
1186         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1187         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1188         Likewise.
1189         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1190         maybe_fold_offset_to_component_ref): Likewise.
1191         * tree-ssa-dom.c (thread_across_edge,
1192         simplify_rhs_and_lookup_avail_expr,
1193         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1194         Likewise.
1195         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1196         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1197         lower_try_finally_switch): Likewise.
1198         * tree-if-conv.c (add_to_dst_predicate_list,
1199         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1200         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1201         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1202         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1203         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1204         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1205         gimplify_init_ctor_eval, gimplify_init_constructor,
1206         gimplify_variable_sized_compare, gimplify_boolean_expr,
1207         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1208         gimplify_expr, gimplify_body, gimplify_function_tree,
1209         force_gimple_operand): Likewise.
1210         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1211         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1212         mx_register_decls): Likewise.
1213         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1214         get_frame_field, finalize_nesting_tree_1): Likewise.
1215         * tree-inline.c (setup_one_parameter): Likewise.
1216         * tree-vect-transform.c (vectorizable_condition): Likewise.
1217         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1218         Likewise.
1219         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1220         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1221         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1222         * tree-chrec.h (build_polynomial_chrec): Likewise.
1223
1224 2005-12-02  Richard Guenther  <rguenther@suse.de>
1225
1226         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1227         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1228         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1229         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1230         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1231         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1232         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1233         Likewise.
1234         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1235         sh_adjust_unroll_max): Likewise.
1236         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1237         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1238         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1239         Likewise.
1240         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1241         Likewise.
1242         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1243         Likewise.
1244
1245 2005-12-02  Richard Guenther  <rguenther@suse.de>
1246
1247         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1248         simplify_cond_using_ranges): Use buildN instead of build.
1249         * tree-tailcall.c (adjust_accumulator_values,
1250         adjust_return_value): Likewise.
1251         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1252         generate_element_copy, generate_element_zero,
1253         generate_one_element_init): Likewise.
1254         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1255         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1256         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1257         perfect_nestify): Likewise.
1258
1259 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1260
1261         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1262
1263 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1264
1265         * ggc.h (GGC_RESIZEVEC): New.
1266
1267 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1268
1269         * gcc.c (execute): Improve readability.
1270
1271 2005-12-02  Richard Guenther  <rguenther@suse.de>
1272
1273         * tree-cfg.c (mark_used_vars): New function.
1274         (dump_function_to_file): Dump only used VAR_DECLs.
1275
1276 2005-12-02  Richard Guenther  <rguenther@suse.de>
1277
1278         * convert.c (convert_to_integer): Fix compare for nonpositive
1279         constant to use tree_int_cst_sgn <= 0.
1280
1281 2005-12-02  Richard Guenther  <rguenther@suse.de>
1282
1283         * convert.c (convert_to_integer): Use fold_convert instead
1284         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1285         instead of comparing against 0.  Use build_int_cst instead
1286         of converting integer_zero_node.
1287
1288 2005-12-02  Richard Guenther  <rguenther@suse.de>
1289
1290         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1291         and RROTATE_EXPR.
1292  
1293 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1294
1295         PR target/21017
1296         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1297         rotates.
1298
1299 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1300
1301         PR middle-end/25176
1302         * function.c (expand_function_end): Emit blockage for unwinder
1303         after return label.
1304
1305 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1306
1307         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1308         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1309         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1310         integer constant comparisons.
1311
1312 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1313             Janis Johnson  <janis187@us.ibm.com>
1314             David Edelsohn  <dje@watson.ibm.com>
1315             Ben Elliston  <bje@au.ibm.com>
1316
1317         * dfp.h, dfp.c: New files.
1318         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1319         (DECNUM_H): Likewise.
1320         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1321         (INCLUDES): Append $(DECNUMINC).
1322         (OBJS-common): Add dfp.o.
1323         (dfp.o): New rule.
1324         * real.h (EXP_BITS): Pinch one bit to ..
1325         (struct real_value): Add decimal field.
1326         (real_format): Change table size, update documentation.
1327         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1328         (real_from_string3): Declare.
1329         (decimal_single_format): Declare.
1330         (decimal_double_format): Declare.
1331         (decimal_quad_format): Declare.
1332         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1333         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1334         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1335         * real.c: Include dfp.h.
1336         (normalize): Early return for decimal floats.
1337         (do_add): Zero decimal field.
1338         (do_compare): Call do_decimal_compare for decimal floats.
1339         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1340         (real_arithmetic): Call decimal_real_arithmetic for decimal
1341         floating point operands.
1342         (real_identical): If a and b are of differing radix, return false.
1343         (real_to_integer): Call decimal_real_to_integer if the value is a
1344         decimal float.
1345         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1346         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1347         (real_to_hexadecimal): Place "N/A" in the return string for
1348         decimal float.
1349         (real_from_string3): New variant, given a mode.
1350         (real_maxval): Use decimal_real_maxval for decimal floats.
1351         (round_for_format): Use decimal_round_for_format for decimals.
1352         (real_convert): Use decimal_real_convert where appropriate.
1353         (significand_size): Handle base 10.
1354         (encode_decimal_single, decode_decimal_single,
1355         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1356         decode_decimal_quad): New functions.
1357         (decimal_single_format): New.
1358         (decimal_double_format): New.
1359         (decimal_quad_format): New.
1360         * machmode.def: Add SD, DD and TD decimal floating point modes.
1361         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1362         Include MODE_DECIMAL_FLOAT.
1363         (DECIMAL_FLOAT_MODE_P): New.
1364         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1365         * genmodes.c (struct mode_data): Add counter field.
1366         (struct mode_data): Update comment for format.
1367         (blank_mode): Initialise counter field.
1368         (new_mode): Increment counter field for each mode defined.
1369         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1370         using a format.
1371         (make_complex_modes): Handle modes containing `D'.
1372         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1373         (make_decimal_float_mode): New.
1374         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1375         (cmp_modes): Compare counter field if other characteristics
1376         similar.
1377         (emit_real_format_for_mode): Support formats for decimal floats.
1378         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1379         Document MODE_DECIMAL_FLOAT.
1380
1381 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1382
1383         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1384         Delete dead code.
1385
1386 2005-12-01  Richard Henderson  <rth@redhat.com>
1387
1388         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1389
1390 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1391
1392         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1393
1394         * config/pa/pa.c (pa_init_builtins): If we detect
1395         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1396         putc_unlocked.
1397
1398 2005-12-01  Richard Guenther  <rguenther@suse.de>
1399
1400         * fold-const.c (fold_binary): Use fold_build2, not
1401         fold (build (...)).
1402
1403 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1404
1405         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1406
1407         * vec.h (VEC_block_remove): New.
1408
1409 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1410
1411         PR c/13384
1412         * c-common.c (lvalue_error): Fix wording.
1413
1414 2005-12-01  Richard Guenther  <rguenther@suse.de>
1415
1416         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1417         thinko in last patch.
1418
1419 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1420
1421         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1422         than -flat_namespace.
1423
1424 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1425
1426         * mklibgcc.in: Parameterise the script to build soft float
1427         functions by iterating over each type, rather than cloning the
1428         code for each type.
1429
1430 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1431
1432         PR middle-end/25158
1433         * builtins.c (fold_builtin_fputs): Defer check for missing
1434         replacement functions.
1435
1436 2005-11-30  Kean Johnston  <jkj@sco.com>
1437
1438         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1439         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1440
1441 2005-11-30  Richard Guenther  <rguenther@suse.de>
1442
1443         PR tree-optimization/22501
1444         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1445         function split out from ...
1446         (forward_propagate_addr_expr): ... here.  Use it to propagate
1447         ADDR_EXPRs to all uses.
1448
1449 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1450
1451         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1452         * builtins.c (expand_builtin_mathfn): Use them.
1453         (expand_builtin_mathfn_2): Likewise.
1454         (expand_builtin_mathfn_3): Likewise.
1455         (expand_builtin_int_roundingfn): Likewise.
1456         (expand_builtin): Likewise.
1457         (integer_valued_real_p): Likewise.
1458         (fold_builtin_int_roundingfn): Likewise.
1459         (fold_builtin_bitop): Likewise.
1460         (fold_builtin_logarithm): Likewise.
1461         (fold_builtin_1): Likewise.
1462         * convert.c (convert_to_integer): Likewise.
1463         * fold-const.c (negate_mathfn_p): Likewise.
1464         (tree_expr_nonnegative_p): Likewise.
1465
1466 2005-11-30  Dale Johannesen  <dalej@apple.com>
1467             Andrew Pinski  <pinskia@physics.uc.edu>
1468
1469         * combine.c (find_split_point):  Sign extend bitmask
1470         when changing bitfield assignment to IOR of AND.
1471
1472 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1473
1474         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1475         clobber to scratch reg.
1476         (*decrement_and_branch_until_zero_no_clobber): Remove.
1477         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1478         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1479         * config/ms1/ms1.opt (mmul): Remove.
1480         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1481         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1482
1483 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1484             Bernd Schmidt  <bernd.schmidt@analog.com>
1485
1486         * pa/predicates.md (symbolic_operand): Add comment.
1487         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1488         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1489         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1490         (pa_secondary_reload_class): Delete.
1491         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1492         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1493         copy of symbolic operand.
1494         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1495
1496 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1497
1498         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1499         jump.
1500
1501 2005-11-30  Jeff Law  <law@redhat.com>
1502
1503         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1504         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1505
1506 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1507
1508         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1509         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1510         (ia64_expand_move): Adjust caller.
1511
1512         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1513         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1514         negate VAL.
1515
1516 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1517
1518         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1519         Always produce an output if we can remove NEGs or canonicalize
1520         (minus (minus ...)) expressions.  Provide a fast path for the
1521         two-operand case.
1522         (simplify_gen_binary): Do not call simplify_plus_minus.
1523         (simplify_binary_operation_1): Reassociate at the end of the
1524         function.
1525
1526 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1527
1528         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1529         moves and unpack to speed up.
1530
1531 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1532
1533         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1534         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1535         (gen_v9_scc): Update callers.
1536         * config/sparc/sparc.md: Likewise.
1537         * config/sparc/sparc-protos.h: Update extern declaration.
1538
1539         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1540
1541 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1542
1543         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1544         the if.
1545
1546 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1547
1548         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1549         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1550         (negate_expr): Here.
1551
1552 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1553
1554         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1555         Fix typo in comment.
1556
1557 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1558
1559         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1560         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1561
1562 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1563
1564         PR middle-end/20109
1565         PR middle-end/25120
1566         * builtins.c (init_target_chars): New.
1567         (expand_builtin_printf, expand_builtin_fprintf,
1568         expand_builtin_sprintf, fold_builtin_sprintf,
1569         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1570         fold_builtin_snprintf_chk, fold_builtin_printf,
1571         fold_builtin_fprintf): Check for matching format strings using
1572         the target charset.
1573
1574 2005-11-29  Paul Brook  <paul@codesourcery.com>
1575
1576         * config.gcc: Do not use fixproto on m68k-elf.
1577
1578 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1579
1580         * expmed.c (div_cost): Replace with...
1581         (sdiv_cost, udiv_cost): New.
1582         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1583         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1584         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1585         (expand_divmod): Replace use of div_cost with either sdiv_cost
1586         or udiv_cost depending upon the signedness of the operation.
1587
1588 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1589
1590         PR libfortran/24991
1591         * config/darwin.c (machopic_indirection_name,
1592         machopic_output_indirection): Follow transparent alias chain.
1593
1594 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1595
1596         * varasm.c (ultimate_transparent_alias_target): Add comment.
1597
1598 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1599
1600         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1601         SET_SRC instead of XEXP where appropriate.
1602
1603 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1604
1605         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1606         __builtin_expect.
1607
1608 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1609
1610         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1611         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1612         bit at a time.
1613
1614 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1615
1616         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1617         secondary_input_reload_class, made static.  Adapt to new
1618         infrastructure.
1619         (secondary_output_reload_class): Delete.
1620         (TARGET_SECONDARY_RELOAD): New macro.
1621         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1622         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1623
1624 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1625
1626         PR c++/21166
1627         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1628         when its natural alignment is > BITS_PER_UNIT.
1629         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1630         * c-common.c (handle_packed_attribute): Ignore packing on a field
1631         whose type is naturally char aligned.
1632
1633 2005-11-28  Richard Guenther  <rguenther@suse.de>
1634
1635         * c-common.c (strict_aliasing_warning): Handle all
1636         component-ref like accesses.
1637
1638 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1639             Uros Bizjak  <uros@kss-loka.si>
1640
1641         PR middle-end/20219
1642         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1643         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1644         when flag_unsafe_math_optimizations is set and
1645         we don't care about NaNs or Infinities.
1646
1647         Move x/expN(y) and x/pow(y,z) transformation into common
1648         flag_unsafe_math_optimizations section.
1649
1650 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1651
1652         * gcc.c (main): Change type of argv to "char **".
1653
1654 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1655
1656         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1657         small data sections.
1658         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1659         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1660         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1661         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1662         output locals to sbss if !rs6000_elf_in_small_data_p.
1663         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1664
1665 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1666
1667         PR target/24997
1668         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1669         generated by reload.
1670         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1671         indexed_or_indirect_address.
1672         (indexed_or_indirect_address): Don't test for base reg.  Call
1673         address_operand last.  Make it a special predicate.
1674
1675 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1676
1677         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1678
1679 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1680
1681         PR middle-end/24575
1682         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1683         is undefined.
1684         (negate_expr): Likewise.
1685
1686 2005-11-27  Andreas Schwab  <schwab@suse.de>
1687
1688         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1689         redundant parens.
1690
1691 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1692
1693         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1694         has EH predecessor edges.
1695
1696 2005-11-26  Eric Christopher  <echristo@apple.com>
1697
1698         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1699         register stalls by zero extending to the full register.
1700
1701 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1702
1703         * config/floatunsisf.c, config/floatunsidf.c,
1704         config/floatunsixf.c, config/floatunsitf.c: New files.
1705         * config/ia64/t-hpux: Add floatunsitf.c.
1706         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1707         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1708
1709 2005-11-26  Richard Henderson  <rth@redhat.com>
1710
1711         * c-lex.c (pragma_lex): Rename from c_lex.
1712         * c-pch.c: Update for pragma_lex rename.
1713         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1714         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1715         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1716         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1717         * doc/tm.texi: Likewise.
1718
1719 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1720
1721         PR middle-end/23669
1722         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1723         when overflow is undefined.
1724
1725 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1726
1727         * doc/md.texi (Insn Canonicalizations): Refer to the
1728         function commutative_operand_precedence for further rules.
1729
1730 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1731
1732         PR middle-end/21309
1733         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1734         is less than zero.  Limit mult_cost to a reasonable upper bound for
1735         the synthetic multiplication sequence.
1736
1737 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1738
1739         PR middle-end/25022
1740         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1741         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1742         Lookup the explicit replacement functions for any unlocked
1743         stdio builtin transformations.
1744
1745 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1746
1747         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1748         earlyclobber.
1749         * targhooks.c (default_secondary_reload): Don't require operand 2
1750         for an input reload to be earlyclobber.
1751
1752 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1753
1754         * fold-const.c (negate_mathfn_p): Fix comment and add support
1755         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1756         BUILT_IN_ATANH.
1757
1758 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1759
1760         PR middle-end/24998
1761         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1762         _Q_ulltoq for unsigned conversions from SImode and DImode to
1763         TFmode.
1764
1765 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1766
1767         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1768         (__floatundidf, __floatundisf): Likewise.
1769
1770 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1771
1772         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1773         (rs6000_override_options): Remove initialization of
1774         rs6000_sr_alias_set.
1775         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1776         (rs6000_emit_stack_tie): Same.
1777         (emit_frame_save): Same.
1778         (gen_frame_mem_offset): Same.
1779         (rs6000_emit_prologue): Same.
1780         (rs6000_emit_epilogue): Same.
1781
1782 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1783
1784         PR middle-end/24989
1785         * fold-const.c (fold_build): Convert bool_var != 1 and
1786         bool_var == 0 to !bool_var.
1787
1788 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1789
1790         PR middle-end/24990
1791         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1792         for C being INTEGER_CST.  Likewise for !=.
1793
1794 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1795
1796         PR middle-end/24998
1797         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1798         unsigned conversions from SImode to TFmode.
1799
1800 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1801
1802         * expr.c (expand_expr_real_1): Fix error in last change.
1803
1804 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1805
1806         * caller-save.c: (this_insn_sets): Move into:
1807         (save_call_clobbered_regs).
1808         (mark_set_regs): Get this_insn_sets from data.
1809
1810         (save_call_clobbered_regs): Take sets of the return value by
1811         sibcalls into account.
1812
1813 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1814         PR target/21623:
1815
1816         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1817         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1818         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1819         (memory_move_secondary_cost, init_reg_autoinc): Remove
1820         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1821         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1822         secondary_reload_class call.
1823         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1824         callers.
1825         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1826         (push_secondary_reload): Use secondary_reload target hook.
1827         (secondary_reload_class, scratch_reload_class): New functions.
1828         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1829         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1830         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1831         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1832         (secondary_reload_class, scratch_reload_class): Declare.
1833         * reload1.c: Include target.h.
1834         (reload_adjust_reg_for_temp): New function.
1835         (reload_adjust_reg_for_icode): Likewise.
1836         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1837         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1838         call.
1839         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1840         for inheritance.  Support case when both secondary & tertiary reloads
1841         are for intermediate registers.
1842         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1843         with secondary_reload_class call.  Support case when both secondary
1844         & tertiary reloads are for intermediate registers.
1845         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1846         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1847         * target.h (secondary_reload_info): New struct / typedef.
1848         (struct gcc_target): New member secondary_reload.
1849         * targhooks.c Include reload.h, optabs.h and recog.h.
1850         (default_secondary_reload): New function.
1851         * targhooks.h (default_secondary_reload): Declare.
1852         * doc/tm.texi: Document secondary_reload target hook.  Update
1853         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1854         * doc/md.texi: Likewise.
1855
1856         * sh-protos.h (sh_secondary_reload): Declare.
1857         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1858         (sh_secondary_reload): New function.
1859         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1860         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1861         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1862         (HAVE_SECONDARY_RELOADS): Define.
1863         * sh.md (reload_indf): Rename to:
1864         (reload_indf__frn).
1865         (reload_outdf): Rename to:
1866         (reload_outdf__RnFRm).
1867         (reload_insf): Rename to:
1868         (reload_insf__frn).
1869         (reload_insi): Rename to:
1870         (reload_insi__i_fpul).
1871
1872 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1873
1874         * configure.ac: Require at least texinfo 4.4.
1875         * configure: Regenerate.
1876
1877         * doc/install.texi (Tools/packages necessary for building GCC):
1878         Update required version of texinfo to at least 4.4.
1879         (Installing GCC: Building): Update required version of texinfo
1880         to at least 4.4.
1881         (Installing GCC: Final installation): Update required version
1882         of texi2dvi to at least 4.4.
1883         (Host/target specific installation notes for GCC): Update required
1884         version of texinfo to at least 4.4.
1885
1886 2005-11-24  Richard Guenther  <rguenther@suse.de>
1887         Dirk Mueller <dmueller@suse.de>
1888
1889         PR c++/14024
1890         * c-common.h (strict_aliasing_warning): Declare.
1891         * c-common.c (strict_aliasing_warning): New function,
1892         split out from ...
1893         * c-typeck.c (build_c_cast): ... here.
1894
1895 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1898         to order operands.
1899         (swap_commutative_operands_with_target): New.
1900
1901 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1902
1903         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1904         also when doing PRE, rather than only for global CPROP.
1905
1906 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1907
1908         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1909         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1910         formatting.
1911         (expand_twoval_unop): Likewise.
1912         (widen_clz): Likewise.
1913         (expand_parity): Likewise.
1914         (expand_unop): Likewise.
1915         (emit_cmp_and_jmp_insn_1): Likewise.
1916         (prepare_float_lib_cmp): Likewise.
1917
1918 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1919
1920         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1921         Remove unused `class' variable.
1922
1923 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1924
1925         PR c++/21667
1926         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1927         C/C++ diagnostic function warn_array_subscript_with_type_char.
1928         * c-common.h (warn_array_subscript_with_type_char): Declare.
1929         * c-common.c (warn_array_subscript_with_type_char): Define.
1930
1931 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1932
1933         PR c/21668
1934         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1935         compiling at the intersection of C and C++.
1936
1937 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1938
1939         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1940         List @file in the option summary.  Include the libiberty
1941         documentation for @file.
1942         * gcc.c (main): Call expandargv.
1943         * Makefile.in (gcc-vers.texi): Define srcdir.
1944
1945 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1946
1947         * passes.c (init_optimization_passes): Document
1948         sequencing of passes.
1949
1950 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1951
1952         * config/m68k/predicates.md (pcrel_address, extend_operator,
1953         post_inc_operand, pre_dec_operand): Remove redundant
1954         conditionals.
1955         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1956         instead of abort.
1957         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1958
1959 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1960
1961         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1962
1963 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1964
1965         Preparatory work for PR target/21623:
1966         * alpha.c (secondary_reload_class): Rename to:
1967         (alpha_secondary_reload_class).
1968         * alpha.h, alpha-protos.h: Likewise.
1969         * mn10300.c (secondary_reload_class): Rename to:
1970         (mn10300_secondary_reload_class).
1971         * mn10300.h, mn10300-protos.h: Likewise.
1972         * pa.c (secondary_reload_class): Rename to:
1973         (pa_secondary_reload_class).
1974         * pa.h, pa-protos.h: Likewise.
1975         * rs6000.c (secondary_reload_class): Rename to:
1976         rs6000_secondary_reload_class.
1977         * rs6000.h, rs6000-protos.h: Likewise.
1978
1979 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1980
1981         PR middle-end/22561
1982         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1983
1984 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1985
1986         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1987         a mode_class.
1988         (prepare_cmp_insn): Likewise.
1989
1990 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1991
1992         PR target/23435
1993         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1994         if both operands[0] and operands[1] are memory.
1995
1996 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1997
1998         PR middle-end/23606
1999         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2000         COMPARISON_CLASS_P and an integral types create create a new
2001         expression with the new type and fold that.
2002
2003 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2004
2005         PR target/24988
2006         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2007         to SUBTARGET_OS_CPP_BUILTINS.
2008
2009 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2010
2011         * arm.c (emit_set_insn): New function.
2012         (arm_split_constant): Call it.
2013         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2014         (arm_legitimize_address): Likewise.  Use plus_constant.
2015         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2016         (thumb_expand_prologue): Likewise.
2017         (arm_gen_load_multiple): Use VOIDmode in SET.
2018         (arm_gen_store_multiple): Likewise.
2019         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2020         (emit_multi_reg_push): Likewise.
2021         (emit_sfm): Use plus_constant.
2022
2023 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2024
2025         PR target/24954
2026         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2027         typo last change.
2028
2029 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2030
2031         PR middle-end/24950
2032         * expmed.c (store_bit_field): Don't attempt to insv a field
2033         larger than the reg.
2034
2035 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2036
2037         PR target/24954
2038         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2039         explicit sign extension, not a (char) cast.
2040
2041 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2042
2043         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2044         GET_MODE_CLASS (x) == MODE_FLOAT.
2045         * config/i386/i386.c: Likewise.
2046         * config/rs6000/xcoff.h: Likewise.
2047         * config/rs6000/linux64.h: Likewise.
2048         * config/rs6000/rs6000.c: Likewise.
2049         * config/rs6000/rs6000.h: Likewise.
2050         * config/rs6000/predicates.md: Likewise.
2051         * config/rs6000/sysv4.h: Likewise.
2052
2053 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2054
2055         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2056         flag_pic is set.
2057
2058         * config/alpha/freebsd.h, config/alpha/linux.h,
2059         config/arm/linux-elf.h, config/bfin/bfin.h,
2060         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2061         config/i386/beos-elf.h, config/i386/gnu.h,
2062         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2063         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2064         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2065         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2066         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2067         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2068         config/sparc/linux.h, config/sparc/linux64.h,
2069         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2070
2071         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2072         are both defined when either flag -fpic or -fPIC are used.
2073
2074 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2075
2076         * config/fp-bit.c (clzusi): New function.
2077         (si_to_float, usi_to_float): Use it to compute proper shift.
2078         (usi_to_float): Preserve guard bits when shifting right.
2079         * libgcc-std.ver (GCC_4.2.0): New version.
2080         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2081         __floatundisf): New functions.
2082         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2083         __floatundisf): Declare.
2084         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2085         _floatundixf, and _floatunditf.
2086         * optabs.c (expand_float): If target does not define a pattern for
2087         signed or unsigned conversion, use an unsigned libcall instead of
2088         a signed one.
2089         (init_optabs): Initialize ufloat_optab.
2090
2091 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2092
2093         * config/rs6000/rs6000.opt (mmulhw): New option.
2094         * doc/invoke.texi (-mmulhw): Document.
2095         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2096         for 405 and 440.
2097         * config/rs6000/rs6000.md: Add half-word multiply and
2098         multiply-accumulate instructions for 405 and 440.
2099
2100 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2101
2102         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2103         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2104         default now includes a linker group which makes the RTEMS one nest.
2105
2106 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2107
2108         * cse.c (fold_rtx): Typo fix.
2109         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2110
2111 2005-11-21  Richard Henderson  <rth@redhat.com>
2112
2113         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2114         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2115
2116         * c-tree.h (lookup_name): Move declaration ...
2117         * c-common.h (lookup_name): ... here.
2118         * config/darwin-c.c: Include c-common.h.
2119         * config/t-darwin: Update dependencies.
2120
2121 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2122
2123         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2124         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2125         * genopinit.c (gen_insn): Likewise.
2126         * reload.c (find_equiv_reg): Likewise.
2127         * loop.c (load_mems): Likewise.
2128         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2129         * cse.c (find_comparison_args, fold_rtx): Likewise.
2130         * dwarf2out.c (add_const_value_attribute): Likewise.
2131         * expr.c (convert_move): Likewise.
2132         * recog.c (general_operand, register_operand): Likewise.
2133         * reg-stack.c (replace_reg): Likewise.
2134         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2135         * c-common.c (handle_vector_size_attribute): Likewise.
2136         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2137         (simplify_binary_operation_1): Likewise.
2138         (simplify_const_binary_operation): Likewise.
2139         (simplify_relational_operation): Likewise.
2140         (simplify_const_relational_operation): Likewise.
2141         (simplify_immed_subreg): Likewise.
2142         * emit-rtl.c (gen_lowpart_common): Likewise.
2143         * expmed.c (expand_mult): Likewise.
2144         * stor-layout.c (layout_type): Likewise.
2145
2146 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2147
2148         PR target/24951
2149         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2150         cst2 only for SPE vectors.
2151
2152 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2153
2154         PR target/24953
2155         * config/rs6000/predicates.md (vrsave_operation): Check
2156         UNSPEC_VOLATILE value.
2157
2158 2005-11-21  Jan Hubicka  <jh@suse.cz>
2159
2160         PR tree-optimization/24653
2161         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2162
2163 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2164
2165         * config/i386/predicates.md (ax_reg_operand): New predicate.
2166         (memory_displacement_only_operand): New predicate.
2167         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2168         operand is AX register and the other operand is memory operand
2169         with displacement only.
2170
2171 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2172
2173         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2174         if we don't care about NaNs or Infinities.
2175
2176 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2177
2178         PR rtl-optimization/24883
2179         * combine.c (combinable_i3pat): When checking whether the
2180         destination of i3 is used in i3, consider paradoxical subregs.
2181
2182 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2183
2184         PR middle-end/20583
2185         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2186
2187 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2188
2189         * combine.c (try_combine): Do not run subst on i1src and i2src in
2190         the case of generating a PARALLEL for a comparison.
2191
2192 2005-11-20  Richard Henderson  <rth@redhat.com>
2193
2194         PR 24931
2195         * tree-sra.c (struct sra_elt): Add all_no_warning.
2196         (struct sra_walk_fns) <use>: Add use_all argument.
2197         (sra_walk_expr): Pass it.
2198         (sra_walk_modify_expr): Likewise.
2199         (scalarize_ldst): Likewise.
2200         (scan_use): Update for new argument.
2201         (mark_no_warning): New.
2202         (scalarize_use): Use it.
2203
2204 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2205
2206         * expr.c (expand_expr_real): Use usmul_optab for widening
2207         signed * unsigned multiplies.
2208         * genopinit.c (optabs): Add usmul_widen_optab.
2209         * optabs.c (init_optabs): Likewise.
2210         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2211         (usmul_widen_optab): Define.
2212         * config/bfin/bfin.md (usmulhisi3): New pattern.
2213
2214         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2215
2216 2005-11-20  Graham Stott <btinternet.com>
2217
2218         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2219
2220 2005-11-20  Andreas Schwab  <schwab@suse.de>
2221
2222         PR target/24757
2223         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2224         insn.
2225
2226 2005-11-19  Richard Henderson  <rth@redhat.com>
2227
2228         PR tree-opt/24665
2229         * tree-gimple.c (is_gimple_id): Export.
2230         * tree-gimple.h (is_gimple_id): Declare.
2231         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2232         (get_default_value): Use it.
2233         (maybe_fold_stmt_indirect): Likewise.
2234
2235 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2236
2237         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2238         than VR1 or vice-versa.
2239
2240 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2241
2242         PR middle-end/24912
2243         PR middle-end/24750
2244         * reload.c (find_reloads_address_1): Mention dependency on
2245         gen_reload.
2246         * reload1.c (gen_reload): For IN with an unary operation, try
2247         moving inner expression to OUT if trivial SET is not valid.
2248         Confirm that the result is valid.  Move common code block into...
2249         (emit_insn_if_valid_for_reload): New function.
2250
2251 2005-11-19  Richard Guenther  <rguenther@suse.de>
2252
2253         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2254         ARRAY_REFs of constant strings.
2255
2256 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2257
2258         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2259         fatal format string.
2260
2261 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2262
2263         * combine.c (make_compound_operation): Swap operands of
2264         commutative operation if necessary before returning.
2265
2266 2005-11-19  Richard Guenther  <rguenther@suse.de>
2267
2268         PR middle-end/23294
2269         * fold-const.c (fold_plusminus_mult_expr): New function.
2270         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2271         cases, remove now unnecessary code.
2272
2273 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2274
2275         * gensupport.c (old_preds): Rename to std_preds, add special field.
2276         (struct old_pred_table): Rename to struct std_pred_table, add special
2277         field.
2278         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2279         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2280         (init_predicate_table): Adjust, and set along the way whether a
2281         predicate is special.
2282
2283 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2284
2285         * BASE-VER: Change to 4.2.0.
2286
2287 2005-11-18  James E Wilson  <wilson@specifix.com>
2288
2289         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2290         returning it.
2291
2292 2005-11-18  Mike Stump  <mrs@apple.com>
2293
2294         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2295         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2296         * c-decl.c (lookup_name_two) Remove.
2297         * c-tree.h (lookup_name_two): Remove.
2298         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2299         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2300         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2301         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2302
2303 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2304
2305         PR target/24914
2306         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2307         when not generating code to use that co-processor.
2308
2309 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2310
2311         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2312         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2313         these functions are now in tree-phinodes.c.
2314
2315 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2316
2317         * config/bfin/bfin.md (trap): New pattern.
2318
2319 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2320
2321         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2322         on types.
2323
2324         * expr.c (expand_expr_real): Don't call record_block_change unless
2325         ib_boundaries_block is non-null
2326
2327         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2328
2329         * fold-const.c (build_range_check): Use proper type for subtraction
2330         when merging lower bound.
2331
2332 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2333
2334         PR rtl-optimization/24497
2335         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2336         the copied insn.
2337
2338 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2339
2340         * tree-scalar-evolution.c (expression_expensive_p): New function.
2341         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2342
2343 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2344
2345         * config/bfin/crtlibid.s: New file.
2346
2347 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2348
2349         PR target/24348
2350         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2351         when not using sjlj exceptions.
2352         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2353         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2354         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2355         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2356         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2357         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2358         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2359         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2360         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2361         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2362         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2363         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2364         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2365         defines.
2366         * config/pa/hpux-unwind.h: New file.
2367
2368 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2369
2370         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2371         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2372         * varasm.c (do_assemble_alias): Adjust call.
2373         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2374         is defined.
2375         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2376
2377 2005-11-17  James E Wilson  <wilson@specifix.com>
2378
2379         * tree.def (FUNCTION_DECL): Correct typo in comment.
2380
2381 2005-11-17  Richard Henderson  <rth@redhat.com>
2382
2383         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2384         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2385         and DW_CFA_def_cfa_sf.
2386         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2387         (dbx_reg_number): Don't assert particular registers here.
2388         (based_loc_descr): ... do it here instead.  Fold in ...
2389         (eliminate_reg_to_offset): ... this function.
2390         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2391         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2392         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2393         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2394         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2395         (instantiate_virtual_regs): Likewise.
2396         * var-tracking.c (adjust_stack_reference): Likewise.
2397         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2398
2399 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2400
2401         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2402         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2403         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2404         crtlibid.o.
2405         ($(T)crtlibid.o): New rule.
2406
2407 2005-11-16  Richard Guenther  <rguenther@suse.de>
2408
2409         PR middle-end/24851
2410         * fold-const.c (extract_array_ref): Return byte offset
2411         in all cases.
2412         (fold_binary): Fold &x[a] CMP &x[b] to
2413         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2414         behavior.
2415
2416 2005-11-16  Richard Henderson  <rth@redhat.com>
2417
2418         PR middle-end/23497
2419         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2420         parts of an SSA_NAME.
2421
2422 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2423
2424         PR target/24861
2425         * arm.md (split for movsf with immediate): Restrict split to insns
2426         that set a general register.
2427
2428 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2429
2430         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2431         uw_update_context.
2432         * unwind-dw2.c (uw_advance_context): Likewise.
2433         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2434         _Unwind_SjLj_Unregister.
2435         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2436
2437 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2438
2439         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2440
2441 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2442
2443         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2444         langhook to get a DImode integer type.
2445
2446 2005-11-16  Richard Henderson  <rth@redhat.com>
2447             J"orn Rennecke <joern.rennecke@st.com>
2448             Ulrich Weigand  <uweigand@de.ibm.com>
2449
2450         PR rtl-opt/24160
2451         PR target/24621
2452         * reload1.c (reg_equiv_invariant): New.
2453         (reload): Allocate, initialize, and free it.
2454         (calculate_needs_all_insns): Check it when skipping equivalence
2455         setting insns.
2456         (alter_reg): Likewise.
2457         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2458         may_use_invariant argument; only use reg_equiv_invariant when true.
2459         (eliminate_regs): New.
2460         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2461         a context for which may_use_invariant may be true.
2462
2463 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2464
2465         * fold-const.c (const_binop): Don't constant fold the operation
2466         if the result has overflowed and flag_trapping_math.
2467         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2468
2469 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2470
2471         * config/arm/unwind-arm.c (abort): Add prototype here.
2472         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2473         (struct phase1_vrs): Add prev_sp.
2474         (unwind_phase2_forced): Save the original core registers instead of
2475         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2476         and set action flags accordingly.  Always set _US_END_OF_STACK when
2477         get_eit_entry fails.  Unwind before calling the stop function.
2478         (_Unwind_GetCFA): New function.
2479         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2480         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2481         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2482         just call unwind_phase2_forced.
2483         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2484         * config/arm/unwind-arm.h (abort): Remove prototype.
2485         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2486         prototypes.
2487         (_Unwind_GetCFA): New prototype.
2488         * config/arm/pr-support.c (abort): Add prototype here.
2489         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2490         forced unwinding.
2491         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2492         not schedule the prologue with non-call exceptions and EABI.
2493
2494 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2495
2496         * config/arm/unwind-arm.h: Reorder interface function declarations.
2497         (_URC_END_OF_STACK): New enumeration value.
2498         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2499         (struct _Unwind_Control_Block): Document reserved field use.
2500         (_Unwind_Stop_Fn): New typedef.
2501         (_Unwind_ForcedUnwind): Declare.
2502         (_Unwind_Resume_or_Rethrow): Declare.
2503         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2504         argument.  Adjust.
2505         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2506         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2507         (UCB_FORCED_STOP_ARG): New.
2508         (search_EIT_table): Update boundary condition checks.
2509         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2510         (unwind_phase2): Replace for with do..while.
2511         (unwind_phase2_forced): New.
2512         (__gnu_Unwind_RaiseException): Replace for with do..while.
2513         (__gnu_Unwind_ForcedUnwind): New.
2514         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2515         Use appropriate phase2 unwinder.
2516         (__gnu_Unwind_Resume_or_Rethrow): New.
2517         (__gnu_unwind_pr_common): Cope with forced unwinding.
2518
2519 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2520
2521         PR target/24772
2522         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2523
2524         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2525         roundsf2): Remove "s" from mnemonic.
2526
2527 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2528
2529         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2530         __PIC__ is defined.
2531         * config/bfin/crtn.s: Change epilogues to match.
2532         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2533         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2534         __PIC__ and __pic__.
2535
2536 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2537
2538         PR 24357
2539         * doc/invoke.texi: Distinguish between free and fixed form instead of
2540         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2541         languages.
2542         * gcc.c (default_compilers): Remove double entries, add entries for
2543         suffixes '.F90' and '.F95'.
2544
2545 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2546
2547         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2548         in the stack probing loop.
2549
2550 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2551
2552         * configure.ac: Use .machine power5 not power5x.
2553         * configure: Regenerate.
2554
2555 2005-11-15  Mike Stump  <mrs@apple.com>
2556
2557         * c-decl.c (lookup_name_two): Add.
2558         * c-tree.h (lookup_name_two): Likewise.
2559         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2560         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2561
2562 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2563
2564         PR rtl-optimization/23392
2565         * regrename.c (enum scan_actions) Add mark_access.
2566         (scan_actions_name): Ditto.
2567         (scan_rtx_reg): Handle mark_access.
2568         (scan_rtx_address): Do nothing for mark_access.
2569         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2570         and regs in REG_INC notes before closing chains for dead regs.
2571         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2572         opening chains for new writes.
2573
2574 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2575
2576         * c.opt (ffixed-line-length-none): New.
2577
2578 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2579
2580         * mklibgcc.in: Change contents of eh_dummy.c.
2581
2582 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2583
2584         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2585
2586 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2587
2588         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2589         of making syscalls.
2590         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2591
2592 2005-11-15  Jan Hubicka  <jh@suse.cz>
2593
2594         * invoke.texi (large-unit-insns): Document.
2595         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2596         * params.def (large-unit-insns): New param.
2597
2598 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2599
2600         PR target/24869
2601         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2602         special register for operand 3.  Reindent constraints to align
2603         them vertically.
2604
2605 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2606
2607         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2608         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2609         * configure.ac: Add test for FP rounding instructions.
2610         * configure: Regenerate.
2611         * config.in: Regenerate.
2612         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2613         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2614         features enabled.
2615         * config/rs6000/rs6000.opt (mfprnd): New.
2616         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2617         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2618         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2619         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2620         (TARGET_FPRND): New.
2621         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2622         UNSPEC_FRIZ): New.
2623         (btrunc<mode>2): New.
2624         (ceil<mode>2): New.
2625         (floor<mode>2): New.
2626         (round<mode>2): New.
2627
2628 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2629
2630         * gcc.c (version_compare_spec_function): Use fatal() rather than
2631         abort().
2632
2633         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2634         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2635         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2636         as empty.
2637         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2638         link in crt2.o.
2639
2640         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2641         on -mmacosx-version-min setting.
2642
2643 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2644
2645         PR 24840
2646         * tree-vrp.c (infer_value_range): Return false if STMT is a
2647         block terminator and its basic block has no successors.
2648
2649 2005-11-14  Mike Stump  <mrs@apple.com>
2650
2651         * config/i386/i386.c (override_options): -masm=intel isn't
2652         supported on darwin.
2653         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2654
2655 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2656
2657         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2658         vfork after including auto-host.h.
2659
2660 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2661
2662         PR rtl-optimization/22002
2663         * combine.c (distribute_notes): Detect cases where a reg dies
2664         two or more times in a bb, including on the insn we are combining,
2665         and place the death note on the correct range.
2666
2667 2005-11-14  Dale Johannesen  <dalej@apple.com>
2668
2669         * expmed.c (store_bit_field):  Add offset unconditionally for
2670         memory targets.
2671         (extract_bit_field):  Don't force extzv or extv operand into
2672         a register if field is too big.
2673
2674 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2675
2676         * config/arm/arm.c (pic_labelno): New.
2677         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2678         LABEL_REF.  Pass only the labelno to PIC insns.
2679         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2680         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2681         * arm.md (UNSPEC_PIC_LABEL): New constant.
2682         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2683         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2684         Use the correct label prefix.
2685
2686 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2687
2688         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2689         REQ_EQUIV note.
2690
2691 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2692
2693         * loop-invariant.c: Include tm_p.h.
2694         * Makefile.in: Updated.
2695
2696 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2697
2698         * pa.c (store_reg): Revise generation of frame notes in large frames.
2699         (set_reg_plus_d): Likewise.
2700
2701 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2702
2703         PR tree-optimization/24709
2704         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2705         loop check.
2706
2707 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2708
2709         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2710         and duplicate declaration of pthread_self.
2711
2712 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2713             Ian Lance Taylor  <ian@airs.com>
2714
2715         PR middle-end/24003
2716         * calls.c (expand_call): If TARGET is a MEM and some part of the
2717         argument area has been saved, force TARGET to a register.
2718
2719 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2720
2721         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2722         checking.
2723
2724 2005-11-13  Jason Merrill  <jason@redhat.com>
2725
2726         PR c++/22489
2727         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2728         lazily declared methods.
2729         (force_decl_die): Stop if forcing out the context already make a
2730         DIE for the decl.
2731         (force_type_die): Likewise.
2732
2733 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2734
2735         PR middle-end/24820
2736         * builtins.c (integer_valued_real_p): Add break in
2737         REAL_CST having TREE_OVERFLOW set.
2738
2739 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2740
2741         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2742         addressing modes during calculation of costs.
2743
2744 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2745
2746         * function.c (assign_stack_local_1): Restrict sanity check
2747         on frame size overflow to 32-bit and above platforms.
2748
2749 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2750
2751         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2752         * config/cris/cris.c: Include reload.h.
2753         (cris_initial_elimination_offset): New function.
2754         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2755         Prototype.
2756
2757 2005-11-12  Richard Guenther  <rguenther@suse.de>
2758
2759         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2760
2761 2005-11-12  Jan Hubicka  <jh@suse.cz>
2762
2763         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2764         to compare against 0 when possible.
2765
2766 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2767
2768         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2769         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2770         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2771         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2772         in the new order.
2773
2774 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2775
2776         * recog.c (constrain_operands) <case 'g'>: For a match, require
2777         that a non-register matches general_operand when strict >= 0.
2778
2779 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2780
2781         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2782         previous checkin.
2783
2784 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2785
2786         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2787         (memory_address_same): New.
2788         (dse_optimize_stmt): Call memory_address_same.
2789
2790 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2791
2792         PR middle-end/24750
2793         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2794         ZERO_EXTEND>: New cases.
2795
2796 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2797
2798         * longlong.h (__clz_tab): Always provide.
2799
2800 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2801
2802         PR 24265
2803         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2804         can be assigned to.
2805         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2806         before check_maybe_invariant.
2807         (move_invariant_reg): Use gen_move_insn instead of replacing
2808         SET_DEST with the temporary for the invariant.
2809         (move_loop_invariants): If checking is enabled, do internal
2810         consistency checks after completing the pass.
2811
2812 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2813
2814         PR 24644
2815         * common.opt (Wvolatile-register-var): New.
2816         * varasm.c (make_decl_rtl): Only emit warning when option
2817         specified.  Clarify warning message.
2818         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2819
2820         * doc/md.texi (copysign): Document standard named pattern.
2821
2822 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2823
2824         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2825         bytes when align is 2.
2826         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2827         by the first instruction of the loop.
2828
2829 2005-11-11  Jason Merrill  <jason@redhat.com>
2830
2831         PR c++/24686
2832         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2833         the cleanup list.
2834
2835 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2836
2837         PR rtl-optimization/22509
2838         * local-alloc.c (memref_used_between_p): Check whether a function call
2839         could not reference the memref.
2840
2841 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2842
2843         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2844         algorithm so as to choose the best, not the worst, alternative.
2845         Reset accumulated register class before processing next alternative.
2846
2847 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2848
2849         PR target/24445
2850         * calls.c (expand_call): Copy a return value to a plain register
2851         if needed.
2852
2853 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2854
2855         PR target/24778
2856         * varasm.c (assemble_name): Recompute name only for transparent
2857         aliases.
2858
2859 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2860
2861         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2862
2863 2005-11-04  Jeff Law  <law@redhat.com>
2864
2865         PR middle-end/23181
2866         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2867         perform reassociation if the parent statement will not die as
2868         a result of the optimization.
2869
2870 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2871
2872         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2873         delete_old_heap_vars.
2874         * tree-dfa.c (referenced_var_remove): Remove function.
2875         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2876         (delete_tree_ssa): Remove call to delete_old_heapvars.
2877         Add call to delete_alias_heapvars.
2878         * tree-flow.h (referenced_var_remove): Remove prototype
2879         (init_alias_heapvars): New prototype.
2880         (delete_alias_heapvars): Ditto.
2881         * Makefile.in (tree-ssa-structalias.o): Add
2882         gt-tree-ssa-structalias.o
2883         (GTFILES): Add tree-ssa-structalias.h and
2884         tree-ssa-structalias.c.
2885         (s-gtype): Add gt-tree-ssa-structalias.h.
2886         * tree-ssa-structalias.c (heapvars): Remove.
2887         (oldheapvars): Remove.
2888         (heapvar_for_stmt): New variable.
2889         (heapvar_lookup): New function.
2890         (heapvar_insert): Ditto.
2891         (get_constraint_for): See if we have an old heapvar
2892         to reuse.
2893         (init_alias_heapvars): New function.
2894         (delete_alias_heapvars): Ditto.
2895         Add include of gt-tree-ssa-structalias.h.
2896
2897 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2898
2899         PR middle-end/22127
2900         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2901
2902 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2903
2904         * tree.c (int_fits_type_p): Only look at the base type
2905         if it has the same precision as the original type.
2906
2907 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2908
2909         PR other/4372
2910         * varasm.c (assemble_alias): Use %q+D in the error
2911         message instead of %J and %qD.
2912
2913 2005-11-10  Richard Guenther  <rguenther@suse.de>
2914
2915         * gcse.c (free_ldst_entry): Only free hashtable if
2916         it exists.
2917
2918 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2919
2920         * function.c (assign_stack_local_1): Issue an error message if
2921         the frame size overflows in the signed target arithmetics.
2922
2923 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2924
2925         * tree.c (build_qualified_type): Chain the new type to the original
2926         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2927         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2928         (build_pointer_type_for_mode): Only return unqualified types.
2929         (build_reference_type_for_mode): Likewise.
2930
2931 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2932
2933         * Makefile.in (gnucompare): Do comparison of all files using one of
2934         the chosen methods and only afterwards decide if just warning should
2935         be issued or comparison failure raised.
2936
2937 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2938
2939         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2940         (noce_try_abs): Negate if the comparison is reversed.
2941         Look only one instruction backwards for a REG_EQUAL note.
2942
2943 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2944
2945         PR other/4372
2946         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2947         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2948         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2949         and prefix all uses with __ghtrw.
2950
2951 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2952
2953         PR other/4372
2954         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2955         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2956         * c-common.c (handle_weakref_attribute): New.
2957         (c_common_attribute_table): Add weakref.
2958         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2959         in the assembler.
2960         * configure, config.in: Rebuilt.
2961         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2962         * doc/extend.texi: Document weakref attribute.
2963         * varasm.c (ultimate_transparent_alias_target): New
2964         (assemble_name): Use it.
2965         (weak_finish_1): Split out of...
2966         (weak_finish): ... and deal with weakrefs in...
2967         (weakref_targets): ... new list.
2968         (globalize_decl): Clean up weakref_targets.
2969         (do_assemble_alias): Handle weakrefs.
2970         (finish_aliases_1): Do not reject weakrefs to external symbols.
2971         (assemble_alias): Handle weakrefs.
2972
2973 2005-11-09  Richard Guenther  <rguenther@suse.de>
2974
2975         PR tree-optimization/24716
2976         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2977         t_bool to track results from follow_ssa_edge.
2978
2979 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2980
2981         * final.c (force_source_line): New global variable.
2982         (final_scan_insn): Set it to true instead of clearing last_filename.
2983         (notice_source_line): Return true if force_source_line is true,
2984         unless source info is absent.
2985
2986 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2987
2988         PR c/24644
2989         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2990         a linkage name for a variable if it a register variable.
2991         * c-decl.c (grokdeclarator): Global register variables
2992         should be set as PUBLIC.
2993
2994 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2995
2996         PR 24624
2997         * config/s390/s390.c (struct s390_frame_layout): New fields
2998         first_save_gpr_slot and last_save_gpr_slot.
2999         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3000         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3001         first_save_gpr and last_save_gpr with the _slot variants.
3002         (s390_register_info): Calculate first_save_gpr_slot and
3003         last_save_gpr_slot using regs_ever_live.
3004
3005 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3006
3007         PR 24623
3008         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3009         for a function containing a landing pad.
3010
3011 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3012
3013         PR 24034
3014         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3015         is live afterwards.
3016
3017 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3018
3019         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3020         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3021
3022 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3023
3024         Add ms2 support
3025         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3026         constants.
3027         (call,load,store): New insn types.
3028         (mem_access, branch_access): Adjust reservation conditions.
3029         (define_delay): Adjust condition.
3030         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3031         type.
3032         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3033         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3034         insn type.
3035         (call_internal, call_value_internal, return_internal,
3036         return_interrupt_internal, eh_return_internal, indirect_jump,
3037         tablejump): Set call insn type.
3038         (blockage, ei, di): Use appropriate unspec const.
3039         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3040         (ms1_get_attr_type): Adjust to give load & store types.
3041         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3042         backwards past a barrier.
3043         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3044         branch scheduling.
3045         (struct branch_info, struct label_info): New.
3046         (ms1_labels): New.
3047         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3048         (ms1_machine_reorg): New.
3049         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3050         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3051         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3052         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3053         (TARGET_MS2): New.
3054
3055 2005-11-09  Per Bothner  <per@bothner.com>
3056             Uros Bizjak  <uros@kss-loka.si>
3057
3058         PR c/24101
3059         * toplev.c (process_options): Initialize debug_hooks early
3060         in case lang_hooks.post_options ends up calling a debug_hook.
3061
3062 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3063
3064         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3065         DBX_REGISTER_NUMBER being contiguous.
3066
3067 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3068             Diego Novillo  <dnovillo@redhat.com>
3069
3070         PR 23046
3071         * tree-vrp.c (register_edge_assert_for): Do not register
3072         always-false predicates.
3073
3074 2005-11-08  Devang Patel <dpatel@apple.com>
3075
3076         PR tree-optimization/23115
3077         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3078         relation.
3079
3080 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3081
3082         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3083         -mcpu=440.
3084
3085 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3086
3087         Fix PR tree-optimization/23382
3088
3089         * tree-ssa-alias.c (compute_may_aliases): Call
3090         delete_old_heap_vars.
3091         * tree-dfa.c (referenced_var_remove): New function.
3092         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3093         * tree-flow.h (referenced_var_remove): Add prototype.
3094         (delete_old_heap_vars): Ditto.
3095         * tree-ssa-structalias.c (heapvars): New variable.
3096         (oldheapvars): Ditto.
3097         (get_constraint_for): Put heap vars on heapvars list.
3098         (delete_old_heap_vars): New function.
3099
3100 2005-11-08  Jason Merrill  <jason@redhat.com>
3101
3102         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3103
3104 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3105
3106         PR target/19340
3107         * reg-stack.c (reg_to_stack): Update register liveness also
3108         for flag_sched2_use_traces.
3109
3110 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3111
3112         PR target/23704
3113         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3114         override prior explicit -mno-powerpc-gfxopt.
3115
3116 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3117
3118         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3119         if the bitsize is zero.
3120         * doc/md.texi (Standard Pattern Names): Document it.
3121
3122         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3123         (TARGET_PASS_BY_REFERENCE): Likewise.
3124
3125 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3126
3127         PR rtl-optimization/24683
3128         * config/i386/i386.c (legitimize_pic_address): If constant operand
3129         to PLUS is too large, put it in a register.
3130
3131 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3132
3133         * configure.ac: Enable checking assembler dwarf2 support for bfin
3134         target.
3135         * configure: Regenerate.
3136
3137 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3138
3139         PR target/24230
3140
3141         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3142         gen_easy_vector_constant_add_self): Delete.
3143         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3144         New.
3145         (output_vec_const_move): Use gen_easy_altivec_constant.
3146         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3147         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3148         (easy_vector_constant_add_self): Rewritten.
3149         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3150         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3151         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3152         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3153         Macroize and adjust for the other changes.
3154
3155 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3156
3157         PR c/24599
3158
3159         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3160         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3161
3162 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3163
3164         PR rtl-optimization/23567
3165         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3166         (noce_process_if_block): Don't do any optimizations except
3167         if (cond) x = x; if !set_b and write into orig_x may trap
3168         or fault.  Remove the MEM_READONLY_P check.
3169
3170 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3171
3172         PR 24670
3173         * tree-vrp.c (fix_equivalence_set): New.
3174         (extract_range_from_assert): Call it.
3175
3176 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3177
3178         PR target/22432
3179         * combine.c (apply_distributive_law): Don't distribute across a
3180         vector mode subreg.
3181
3182 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3183
3184         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3185         config/ms1/ms1.h, config/rs6000/predicates.md,
3186         config/s390/s390.c, params.def, postreload-gcse.c,
3187         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3188         tree-vrp.c, tree.c: Fix comment typos.
3189         * doc/invoke.texi: Fix typos.
3190
3191 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3192
3193         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3194         for testing whether the data_dependence_relation contains distance
3195         vectors.  Iterate over all distance vectors of the ddr.
3196         * lambda.h: Define a vec of lambda_vector pointers.
3197         * tree-data-ref.c (dump_data_dependence_relation,
3198         dump_data_dependence_direction): Iterate over all distance and
3199         direction vectors of the ddr.
3200         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3201         DDR_DIST_VECTS.
3202         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3203         of distance/direction vectors instead of a single one.
3204         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3205         lambda_vectors with a vec of lambda_vectors.
3206         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3207         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3208         DDR_NUM_DIST_VECTS): New.
3209         * tree-loop-linear.c (gather_interchange_stats): Test for the
3210         existence of distance vectors only after having checked that there
3211         is a dependence.  Iterate over all distance vectors of the ddr.
3212         (linear_transform_loops): Use dump_data_dependence_relation.
3213         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3214         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3215         distance vectors of the ddr.
3216
3217 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3218
3219         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3220         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3221         IS_INTHANDLER; all callers changed.
3222         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3223         account.
3224         (do_link, do_unlink): New argument ALL; all callers changed.
3225         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3226         If function isn't leaf, save and restore all registers.
3227         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3228         exception handler.
3229
3230 2005-11-05  Jan Hubicka  <jh@suse.cz>
3231
3232         PR rtl-optimization/23490
3233         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3234         max-flow-memory-location): Document.
3235         * flow.c: Include params.h
3236         (MAX_MEM_SET_LIST_LEN): Kill.
3237         (add_to_mem_set_list): Use new param.
3238         * cse.c (cse_basic_block): Replace 1000 by new param.
3239         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3240         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3241         * predict.c (predict_loops): Use new param.
3242         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3243
3244         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3245         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3246         Do not hold memory returned by cgraph_node_name across other call.
3247
3248 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3249
3250         PR target/23424
3251         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3252         Disable.
3253
3254 2005-11-04  Jeff Law  <law@redhat.com>
3255
3256         PR/21883
3257         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3258         * tree-ssa-dom.c: Include params.h.
3259         (thread_across_edge): If there are too many statements in the
3260         target block, then do not thread through it.
3261         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3262         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3263
3264 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3265
3266         PR 24627
3267         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3268         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3269
3270 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3271
3272         PR/18595
3273         * tree-scalar-evolution.c (instantiate_parameters_1,
3274         instantiate_parameters, resolve_mixers): Compute the size of an
3275         expression to be instantiated and give up the instantiation if the
3276         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3277
3278 2005-11-04  Richard Guenther  <rguenther@suse.de>
3279
3280         * tree-flow.h (ref_contains_indirect_ref): Rename to
3281         array_ref_contains_indirect_ref.
3282         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3283         (array_ref_contains_indirect_ref): Make comment match the code
3284         and vice-versa.
3285         (ref_contains_array_ref): Likewise.
3286         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3287         ref_contains_indirect_ref.
3288         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3289         Rename calls to ref_contains_indirect_ref.
3290
3291 2005-11-04 Paul Brook  <paul@codesourcery.com>
3292
3293         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3294         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3295         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3296         * config/arm/arm.md: Use match_operand in peephole input templates
3297         and match_dup in peephole output templates.
3298
3299 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3300
3301         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3302         __aeabi_uidiv.
3303
3304 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3305             Daniel Jacobowitz  <dan@codesourcery.com>
3306
3307         * longlong.h (add_ssaaaa): Clobber condition code register
3308         in ARM version.
3309         (sub_ddmmss): Likewise.
3310         (umul_ppmm): Likewise.
3311
3312 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3313             Paul Brook  <paul@codesourcery.com>
3314             Phil Blundell  <pb@reciva.com>
3315
3316         * configure.ac: Add test for ARM TLS support.
3317         * configure: Regenerated.
3318         * config/arm/arm-protos.h (legitimize_tls_address)
3319         (arm_tls_referenced_p, tls_mentioned_p)
3320         (arm_output_addr_const_extra): New prototypes.
3321         (thumb_legitimize_pic_address): Delete.
3322         * config/arm/arm.c: Include "gt-arm.h".
3323         (enum tls_reloc): New.
3324         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3325         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3326         (arm_call_tls_get_addr, legitimize_tls_address)
3327         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3328         (arm_init_tls_builtins, arm_emit_tls_decoration)
3329         (arm_output_addr_const_extra): New functions.
3330         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3331         (TARGET_HAVE_TLS): Define.
3332         (target_thread_pointer): New.
3333         (arm_override_options): Handle -mtp=.
3334         (legitimize_pic_address): Ignore UNSPECs.
3335         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3336         relative symbols.
3337         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3338         (tls_get_addr_libfunc): New variable.
3339         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3340         (arm_init_builtins): Call arm_init_tls_builtins.
3341         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3342         (arm_encode_section_info): Call default_encode_section_info.
3343         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3344         (enum arm_tp_type): New.
3345         (target_thread_pointer): Add declaration.
3346         (LEGITIMATE_CONSTANT_P): Handle TLS.
3347         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3348         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3349         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3350         * config/arm/arm.md: Add UNSPEC_TLS.
3351         (movsi): Handle TLS.
3352         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3353         non-PIC.
3354         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3355         (load_tp_hard, load_tp_soft): New insns.
3356         * arm.opt: Add -mtp=.
3357         * doc/invoke.texi (ARM Options): Document -mtp.
3358
3359 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3360
3361         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3362         * config/arm/libunwind.S: Include "lib1funcs.asm".
3363         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3364         (LIB2ADDEH): Add libunwind.S.
3365         (LIB2ADDEHDEP): Add lib1funcs.asm.
3366         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3367
3368 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3369
3370         PR fortran/18452
3371         * gcc/c.opt: Add a -lang-fortran option.
3372         * gcc/c-opts.c: Add a lang_fortran flag.
3373         (c_common_init_options): Handling the -lang-fortran option.
3374         (c_common_handle_option): Add a case for Fortran options in
3375         preprocessing. Remove cases for -ffixed-form and
3376         -ffixed-line-length. Add a case for -lang-fortran.
3377
3378 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3379
3380         * config/rs6000/rs6000.c: Include params.h
3381         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3382         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3383         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3384         (UNSPEC_VPKUWSS): Delete.
3385         (altivec_vpkuhss): Delete.
3386         (altivec_vpkuwss): Delete.
3387         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3388         final condition.
3389         (neg_eq0<mode>): Remove final condition.
3390         (neg_eq<mode>): Remove condition and split-condition.
3391
3392 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3393
3394         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3395         Use associated print macros.
3396
3397 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3398
3399         PR c++/17964
3400         * diagnostic.c (diagnostic_set_info_translated): New function.
3401         (diagnostic_set_info): Use it.  Add comment.
3402         * diagnostic.h (diagnostic_set_info_translated): Declare.
3403
3404 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3405
3406         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3407         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3408         reference only if 'public' is true.
3409         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3410         emit the .hidden directive only if the indirect reference is public.
3411         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3412         Pass it to dw2_force_const_mem.
3413         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3414         * dwarf2out.c (output_cfi): Adjust calls to above function.
3415         (output_call_frame_info): Likewise.
3416         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3417         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3418
3419 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3420
3421         PR tree-optimization/24483
3422         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3423         field to elts if possible.
3424
3425 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3426
3427         PR middle-end/23155
3428         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3429         CONSTRUCTOR.
3430
3431 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3432
3433         Fix PR tree-optimization/24351
3434
3435         * tree-ssa-structalias.c (struct variable_info): Add
3436         collapsed_into.
3437         (get_varinfo_fc): New function to follow collapsing.
3438         (new_var_info): Set collapsed_to to NULL.
3439         (dump_constraint): Follow collapsing.
3440         (build_constraint_graph): Handle collapsing.
3441         (do_simple_structure_copy): Return false if something bad
3442         happened.
3443         (collapse_rest_of_var): New function.
3444         (do_structure_copy): Collapse if do_simple_structure_copy returns
3445         false.
3446
3447 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3448
3449         PR middle-end/24589
3450         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3451         expressions to a statement list instead of gimplifying them.
3452
3453 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3454
3455         PR rtl-optimization/23585
3456         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3457         that can't trap plus a constant integer, if the mode has zero size.
3458
3459 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3460
3461         PR target/24620
3462         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3463         as operand 2.
3464         ("*insv<mode>_reg_extimm"): Likewise.
3465
3466 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3467
3468         PR c/24329
3469         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3470         c_common_type_for_mode returns an unnamed type.
3471
3472 2005-11-02  Richard Henderson  <rth@redhat.com>
3473
3474         PR target/9350
3475         PR target/24374
3476         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3477         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3478         * function.c (assign_parms): Use calls.internal_arg_pointer.
3479         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3480         code.
3481         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3482         (TARGET_CALLS): Add it.
3483         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3484         * targhooks.c (default_internal_arg_pointer): New.
3485         * targhooks.h (default_internal_arg_pointer): Declare.
3486         * tree.h (dwarf2out_reg_save_reg): Declare.
3487         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3488         * config/i386/i386.c (dbx_register_map): Add return column.
3489         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3490         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3491         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3492         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3493         (ix86_save_reg): Save force_align_arg_pointer.
3494         (ix86_emit_save_regs): Make regno unsigned.
3495         (ix86_emit_save_regs_using_mov): Likewise.
3496         (ix86_expand_prologue): Handle force_align_arg_pointer.
3497         (ix86_expand_epilogue): Likewise.
3498         * config/i386/i386.h: (dbx_register_map): Update.
3499         (dbx64_register_map, svr4_dbx_register_map): Update.
3500         (struct machine_function): Add force_align_arg_pointer.
3501         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3502         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3503         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3504
3505 2005-11-02  Jan Hubicka  <jh@suse.cz>
3506
3507         PR target/23303
3508         * i386.md: Add peep2 for simplyfing array accesses.
3509
3510 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3511
3512         PR target/24615
3513         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3514         * config/s390/s390.c (s390_decompose_shift_count): New function.
3515         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3516         (print_shift_count_operand): Use s390_decompose_shift_count.
3517         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3518         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3519
3520 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3521
3522         PR target/24600
3523         * loop.c (loop_givs_rescan): Use force_operand to expand
3524         complex GIVs.
3525
3526 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3527
3528         PR 22429
3529         * fold-const.c (build_range_check): Use unsigned when signed
3530         overflow is undefined also.  If etype is subtype, make sure that
3531         the subtraction is in the supertype.
3532
3533 2005-11-02  Richard Henderson  <rth@redhat.com>
3534
3535         PR target/24178
3536         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3537         by MEM_ALIGN.
3538
3539 2005-11-01  Richard Henderson  <rth@redhat.com>
3540
3541         PR 21518
3542         * loop.c (scan_loop): Do not propagate computations to a hard
3543         register destination with SMALL_REGISTER_CLASSES.
3544
3545 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3546
3547         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3548         costs for MULT inside PLUS or MINUS.
3549
3550 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3551
3552         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3553         (TRAMPOLINE_SIZE): Round up to 60.
3554         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3555
3556 2005-10-31  James E. Wilson  <wilson@specifix.com>
3557
3558         PR debug/24444
3559         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3560         ifdef.  Put ifdefs around call in gen_subprogram_die.
3561         (compute_frame_pointer_to_cfa_displacement): Likewise.
3562         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3563         not defined.
3564
3565         PR rtl-optimization/17356
3566         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3567         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3568
3569 2005-10-31  Jan Hubicka  <jh@suse.cz>
3570
3571         PR middle-end/24093
3572         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3573
3574         PR target/20928
3575         * i386.c (legitimize_pic_address): Deal with large immediates.
3576
3577         PR profile/20815
3578         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3579         from symbol names while computing checkup.
3580
3581         PR profile/24487
3582         * predict.c (predict_loops): Do not estimate more than
3583         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3584         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3585
3586 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3587
3588         PR tree-optimization/19097
3589         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3590
3591 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3592
3593         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3594
3595 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3596
3597         PR middle-end/23492
3598         * tree-inline.c (setup_one_parameter): If the init_stmt
3599         is NULL, don't insert the statement.
3600
3601 2005-10-30  Jan Hubicka  <jh@suse.cz>
3602
3603         PR tree-optimization/24172
3604         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3605
3606 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3607
3608         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3609         constants for hosts with long != 32 bits.
3610
3611 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3612
3613         PR middle-end/24093
3614         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3615
3616 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3617
3618         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3619         (TARGET_MS1_16_002): New.
3620         (TARGET_MS1_16_003): New.
3621
3622         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3623         ("*decrement_and_branch_until_zero_no_clobber"): New.
3624         Add corresponding splitter for decrement_and_branch_until_zero
3625         instruction.
3626         Key all decrement_and_branch_until_zero patterns off of
3627         TARGET_MS1_16_003.
3628
3629 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3630
3631         PR middle-end/24362
3632         * tree-complex.c (extract_component): Treat RESULT_DECL
3633         like the rest of the decls.
3634
3635 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3636
3637         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3638         indirect call to _mcount if the function needs a static chain.
3639
3640 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3641             Caroline Tice  <ctice@apple.com>
3642
3643         PR rtl-optimization/24460
3644         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3645         (dwarf2out_switch_text_section): Set it to true instead of
3646         incrementing separate_line_info_table_in_use.
3647         (output_loc_list): Additionally test have_switched_text_sections.
3648         (output_ranges): Likewise.
3649         (dwarf2out_finish): Likewise.
3650         * varasm.c (assemble_start_function): Do not call
3651         insert_section_boundary_note.
3652         (assemble_end_function): If flag_reorder_blocks_and_partition,
3653         switch to the function's section before emitting the .size directive.
3654         * bb-reorder.c (insert_section_boundary_note): Staticify.
3655         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3656         * output.h (insert_section_boundary_note): Delete.
3657
3658 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3659
3660         PR c/23103
3661         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3662         instead of pointer equality when comparing types.
3663
3664 2005-10-24  James E. Wilson  <wilson@specifix.com>
3665
3666         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3667         add_dependence_list_and_free calls.
3668
3669 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3670
3671         * contrib.texi: Add the names of the LLNL folks who donated
3672         Cray pointer support for gfortran.
3673
3674 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3675
3676         PR tree-optimization/24225
3677         * profile.c (branch_prob): Look from end to start through a
3678         basic block when looking for a locus.
3679
3680 2005-10-24  Richard Henderson  <rth@redhat.com>
3681
3682         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3683         parallel.
3684         (hppa_expand_prologue): Likewise.
3685
3686 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3687
3688         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3689         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3690         * pa.h (NO_PROFILE_COUNTERS): Define.
3691         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3692         (funcdef_nos): New vector to hold label numbers of deferred profile
3693         counters.
3694         (output_deferred_profile_counters): New function.
3695         (hppa_profile_hook): Push label number onto funcdef_nos.
3696         (pa_hpux_file_end): Call output_deferred_profile_counters if
3697         NO_DEFERRED_PROFILE_COUNTERS is false.
3698
3699         * pa-protos.h (get_deferred_plabel): New prototype.
3700         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3701         Make global.
3702         (output_call): Adjust calls.
3703
3704 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3705
3706         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3707         peculiarity of GOT/TOC section usage.
3708
3709 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3710
3711         PR objc/24435
3712          * c-common.c (constant_string_class_name): Add documentation.
3713
3714 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3715
3716         PR target/23832
3717         * recog.c (peephole2_optimize): Increment peep2_current_count
3718         only when the slot is empty.
3719
3720 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3721
3722         PR ada/23957
3723         * except.c (output_function_exception_table): Call
3724         assemble_external_libcall if we need a personality function.
3725
3726 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3727
3728         PR rtl-optimization/24460
3729         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3730         set the basic block for barriers.
3731
3732 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3733
3734         * var-tracking.c (vt_initialize): Initialize post.
3735
3736 2005-10-21  Devang Patel  <dpatel@apple.com>
3737
3738         PR/24220
3739         * c-common.c (vector_types_convertible_p): Check vector element type.
3740
3741 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3742
3743         * config/sh/sh.c (prepare_move_operands): Handle the address
3744         constant which is a tls symbolic address plus a constant.
3745
3746 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3747
3748         PR driver/24473
3749         * gcc.c (main): Use the correct counter for erroring out
3750         about mulitple files.
3751
3752 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3753
3754         PR target/24465
3755         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3756         use r2 for 64-bit tls .got access.
3757
3758 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3759
3760         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3761         TRUTH_OR_EXPR.
3762
3763 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3764
3765         PR tree-optimization/24307
3766         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3767
3768 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3769
3770         PR middle-end/24295
3771         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3772         alias targets.
3773         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3774         is ready, stop marking functions, but still mark variables.
3775
3776 2005-10-20  Richard Guenther  <rguenther@suse.de>
3777
3778         PR c++/24439
3779         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3780         void type operands.
3781
3782 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3783
3784         PR rtl-optimization/23585
3785         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3786         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3787         (may_trap_p_1): New predicate extracted from...
3788         (may_trap_p): ... here.  Invoke may_trap_p_1.
3789         (may_trap_or_fault_p): New predicate.
3790         * rtl.h (may_trap_or_fault_p): Declare it.
3791         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3792         instead of may_trap_p.
3793         (steal_delay_list_from_fallthrough): Likewise.
3794         (fill_simple_delay_slots): Likewise.
3795         (fill_slots_from_thread): Likewise.
3796         * function.c (pad_to_arg_alignment): Rework comment about
3797         SPARC_STACK_BOUNDARY_HACK.
3798         * config/sparc/sparc.h: Likewise.
3799
3800 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3801
3802         * config/s390/s390.c (s390_expand_insv): New.
3803         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3804         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3805         ("icm_hi"): Remove mode attribute.
3806         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3807         Adjust all uses.
3808         ("*extracthi", "*extractqi"): Remove.
3809         (extv<mode>", "*extzv<mode>"): New.
3810         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3811         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3812
3813 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3814
3815         * cfgexpand.c (discover_nonconstant_array_refs_r,
3816         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3817         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3818         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3819         discover_nonconstant_array_refs.
3820
3821 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3822
3823         PR c/23228
3824         * c-decl.c (pop_scope): Don't warn about an unused variable
3825         if it is marked with TREE_NO_WARNING.
3826         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3827         somenow mismatch and olddecl is to be replaced.
3828
3829 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3830
3831         PR middle-end/23199
3832         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3833         whether registers live on the edge can be saved/restored.
3834
3835 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3836
3837         * config/sh/sh.c (fixup_mova): Skip notes.
3838
3839 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3840
3841         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3842         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3843         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3844         (s390_initial_elimination_offset): Likewise.
3845         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3846         register on TARGET_ZARCH targets.
3847         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3848         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3849         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3850         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3851
3852 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3853
3854         * config/s390/s390.md: Comment describing output modifiers updated.
3855         * config/s390/s390.c (print_operand): Likewise.
3856
3857 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3858
3859         * config/s390/s390.c (override_options): Added check for -mstack-size
3860         64k limitation.
3861         * doc/invoke.texi: Mention that limit in the documenation.
3862
3863 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3864
3865         PR #19672
3866         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3867
3868 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3869
3870         Fix PR tree-optimization/24231
3871
3872         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3873         (compute_avail): Ditto.
3874
3875 2005-10-18  Richard Henderson  <rth@redhat.com>
3876
3877         PR target/24428
3878         * config/i386/i386.c (legitimate_constant_p): Check
3879         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3880         if LABEL_REF.
3881         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3882         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3883         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3884         directly.
3885         (print_operand_address): Likewise.
3886         * config/i386/predicates.md (x86_64_immediate_operand): Test
3887         SYMBOL_REF_TLS_MODEL properly inside CONST.
3888         (x86_64_zext_immediate_operand): Likewise.
3889         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3890         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3891         * config/i386/i386-protos.h: Remove predicates.md entries.
3892
3893 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3894
3895         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3896         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3897
3898 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3899             Ian Lance Taylor <ian@airs.com>
3900
3901         PR middle-end/23522
3902         * fold-const.c (fold_widened_comparison): Do not allow range based
3903         constant folding when right operand cannot be unwidened.
3904
3905 2005-10-17  Richard Henderson  <rth@redhat.com>
3906
3907         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3908         with a memory clobber.
3909
3910 2005-10-17  James E Wilson  <wilson@specifix.com>
3911
3912         PR rtl-optimization/17356
3913         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3914         checking for EDGE_EH.
3915
3916 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3917
3918         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3919         the slot on an even boundary for any type with 16-byte alignment.
3920
3921 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3922
3923         PR target/23424
3924         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3925         after register allocation.
3926
3927 2005-10-17  DJ Delorie  <dj@redhat.com>
3928
3929         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3930         as frame related.
3931
3932 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3933
3934         PR c++/22551
3935         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3936         overflow flags.
3937
3938 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3939
3940         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3941         to 2 if it's already non-zero.
3942         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3943         is set and warn about it if flag_schedule_insns is 1.
3944
3945 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3946
3947         * config/crx/crx.md: Compare-and-branch instructions need to
3948         invalidate CC.
3949
3950 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3951
3952         PR target/24315
3953         * config/i386/i386.md (*pushdi2_rex64 splitter)
3954         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3955         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3956         flow2 pass only when (optimize > 0 && flag_peephole2).
3957
3958 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3959
3960         PR driver/22544
3961         * gcc.c (have_c): New static variable.
3962         (have_o): Likewise.
3963         (process_command): Remove declation of have_c.
3964         Set have_o to 1 when handling -o.
3965         (main): Add a fatel error if there are multiple
3966         files specified and -o and -c/-S is passed witout
3967         -combine or multiple languages.
3968
3969 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3970
3971         Fix PR tree-optimization/22444
3972         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3973         Assert that we don't hit something with subvars.
3974         (setup_pointers_and_addressables): Don't add things with subvars,
3975         because we'll already process the subvars for aliasing purposes.
3976
3977 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3978
3979         PR target/23424
3980         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3981         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3982         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3983         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3984         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3985         swapped, alternatives for the R constraint.
3986
3987         PR middle-end/24341
3988         * builtins.c (get_builtin_sync_mode): Make unlimited
3989         mode_for_size request.
3990
3991 2005-10-15  Richard Henderson  <rth@redhat.com>
3992
3993         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3994         (gimplify_expr): ... here.
3995         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3996         fb_lvalue in base expression.
3997
3998 2005-10-15  Richard Henderson  <rth@redhat.com>
3999
4000         PR 23714
4001         * builtins.c (expand_builtin_trap): Export.
4002         * expr.h (expand_builtin_trap): Declare.
4003         * expr.c (expand_assignment): Emit a trap for integral offsets
4004         from registers that weren't reduced to bitpos.
4005
4006         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4007         (mark_array_ref_addressable): Remove.
4008         * tree-flow.h (mark_array_ref_addressable): Remove.
4009         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4010
4011 2005-10-15  James E Wilson  <wilson@specifix.com>
4012
4013         PR target/24232
4014         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4015         (add_dependence_list_and_free): Likewise.
4016         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4017         call.
4018
4019 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4020
4021         PR 23141
4022         PR 23142
4023         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4024         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4025         anti-range.
4026         (vrp_visit_phi_node): Only prevent infinite iterations when
4027         the previous result and the new result are both VR_RANGEs.
4028
4029 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4030
4031         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4032         function comment.
4033
4034 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4035
4036         PR c/23439
4037         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4038         to initialize loc.
4039
4040 2005-10-14  Per Bothner  <per@bothner.com>
4041
4042         PR preprocessor/21250
4043         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4044
4045 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4046
4047         PR c++/22551
4048         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4049         overflow flags.  Refactor some conditionals.
4050
4051 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4052
4053         PR tree-opt/21304
4054         * tree-dfa.c (add_referenced_var): Only look at decls which
4055         have TREE_CONSTANT or TREE_READONLY set instead of if
4056         !TREE_PUBLIC or !TREE_CONSTANT.
4057
4058 2005-10-13  James E Wilson  <wilson@specifix.com>
4059
4060         * doc/invoke.texi: For -x, add f95-cpp-input.
4061         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4062
4063 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4064
4065         PR tree-optimization/24262
4066         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4067         in loop all the time.
4068
4069 2005-10-12  Richard Henderson  <rth@redhat.com>
4070
4071         PR c/24255
4072         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4073         * function.c (assign_parm_find_data_types): Don't support it.
4074         * print-tree.c (print_node): Likewise.
4075         * c-common.c (handle_transparent_union_attribute): Likewise.
4076         Use build_duplicate_type.
4077         * tree-inline.c (remap_type_1): Split out of remap_type;
4078         properly remap aggregate fields.
4079         (build_duplicate_type): New.
4080         * doc/extend.texi (Variable Attributes): Remove documentation
4081         for transparent_union.
4082
4083 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4084
4085         PR target/24284
4086         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4087         (gen_stack_pointer_dec): Likewise.
4088
4089 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4090
4091         PR middle-end/21275
4092         PR middle-end/21766
4093         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4094         target hook.
4095         (struct cxx): Add adjust_class_at_definition target hook.
4096         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4097         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4098         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4099         hook_void_tree. Add to TARGET_CXX.
4100         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4101         dllimport_flag.
4102         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4103         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4104         instead of attribute. Check for dllexport override.  Warn if
4105         inconsistent dll linkage. Don't lose old dllimport if decl has
4106         had address referenced.   Tweak lookup of dllimport atribute.
4107         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4108         for target specific rules.  Don't add dllimport attribute if
4109         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4110         dllimport attribute.
4111         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4112         * varasm.c (initializer_constant_valid_p): Replace
4113         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4114
4115         PR target/21801
4116         PR target/23589
4117         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4118         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4119         (i[34567]86-*-mingw32*): Likewise.
4120
4121         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4122         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4123
4124         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4125         C++-specific code. Change return value to bool.
4126         (i386_pe_dllimport_p): Likewise.
4127         (associated_type): Simplify and make language-independent
4128         (i386_pe_encode_section_info): Replace override of ambiguous
4129         dllimport symbol refs with a gcc_assert.
4130         (i386_pe_valid_dllimport_attribute_p): Define.
4131         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4132         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4133         i386_pe_adjust_class_at_definition.
4134         * config/i386/winnt-stubs.c: New file. Define stub versions of
4135         lang-specific functions.
4136         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4137         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4138         i386_pe_adjust_class_at_definition.
4139         (i386_pe_valid_dllimport_attribute_p): Declare.
4140         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4141         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4142         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4143
4144         PR target/19704
4145         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4146         dllimport attribute with test of DECL_DLLIMPORT_P.
4147
4148 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4149
4150         * combine.c (make_extraction): Correct offset computation.
4151
4152 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4153
4154         * config/cris/t-linux (LIMITS_H_TEST): Define.
4155
4156 2005-10-12  Richard Henderson  <rth@redhat.com>
4157
4158         PR rtl-opt/23324
4159         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4160
4161 2005-10-12  Richard Guenther  <rguenther@suse.de>
4162
4163         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4164
4165 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4166
4167         PR c++/19964
4168         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4169         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4170         type.
4171
4172 2005-10-12  Richard Guenther  <rguenther@suse.de>
4173
4174         PR c++/23799
4175         * varasm.c (output_constant): Correct typo from previous
4176         patch by DJ.
4177
4178 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4179
4180         PR rtl-optimization/13931
4181         * combine.c: Revert patch of 2003-05-14, and:
4182         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4183         completely killed in the appropriate insn.
4184         (distribute_notes): Don't skip multiple hard register test for
4185         elim_i1 and elim_i2.
4186
4187 2005-10-11  Richard Henderson  <rth@redhat.com>
4188
4189         PR c/24255
4190         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4191         to initialize a transparent union instead of a nop_expr.
4192
4193 2005-10-11  Richard Henderson  <rth@redhat.com>
4194
4195         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4196         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4197         (tree_ssa_dce_loop): Call scev_reset.
4198
4199         PR tree-opt/24300
4200         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4201         * tree-ssa-dce.c: Include cfgloop.h.
4202         (tree_ssa_dce_loop, pass_dce_loop): New.
4203         * tree-pass.h (pass_dce_loop): Declare it.
4204         * passes.c (init_optimization_passes): Use it.
4205
4206 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4207
4208         PR middle-end/24263
4209         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4210         Only apply the optimization for rounding builtins if the inner
4211         cast is also an extension.
4212
4213 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4214
4215         PR tree-opt/23946
4216         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4217         mark_new_vars_to_rename instead of update_stmt.
4218
4219 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4220
4221         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4222
4223 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4224
4225         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4226         for setting MMX register to 0 rather than mmx.
4227
4228 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4229
4230         PR target/12098
4231         * configure.ac: Move gas check from mips specific case to common case.
4232         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4233         * configure: Regenerate
4234         * doc/install.texi: Update.
4235
4236 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4237
4238         PR target/24284
4239         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4240
4241 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4242
4243         * gcc.c (do_spec_1): Accept numeric characters in file name
4244         suffixes.
4245
4246 2005-10-10  Nick Clifton  <nickc@redhat.com>
4247
4248         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4249         describing the deleted arm_gen_rotated_half_load function.
4250
4251 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4252
4253         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4254         __fpscr_values.
4255
4256 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4257
4258         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4259         gnu_ld assignments.
4260         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4261         (EXTRA_MULTILIB_PARTS): Define.
4262         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4263         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4264         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4265         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4266         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4267         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4268
4269 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4270
4271         PR tree-optimization/24226
4272         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4273         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4274         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4275         Export.
4276
4277 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4278
4279         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4280
4281 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4282
4283         PR target/24136
4284         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4285         Rewrite for no need for the early clobber.
4286
4287 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4288
4289         Merge from csl-arm-branch:
4290         2005-09-07  Paul Brook  <paul@codesourcery.com>
4291         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4292         space to string.
4293
4294         2005-04-30  Paul Brook  <paul@codesourcery.com>
4295         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4296         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4297
4298         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4299         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4300         (arm_override_options): Use TARGET_AAPCS_BASED.
4301         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4302         (PTRDIFF_TYPE): Use int for AAPCS.
4303         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4304         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4305         (DEFAULT_SHORT_ENUMS): Delete.
4306         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4307
4308         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4309         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4310         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4311         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4312
4313         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4314         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4315
4316         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4317         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4318
4319         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4320         * config.gcc (arm*-*-linux-gnueabi): Add it.
4321         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4322         redefining it.
4323         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4324         * config/arm/linux-eabi.h: New file.
4325         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4326         (LINUX_TARET_LINK_SPEC): Likewise.
4327         (LINK_SPEC): Use it.
4328         * config/arm/t-linux-eabi: New file.
4329
4330 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4331
4332         PR other/22202
4333         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4334         spaces.
4335         (PARAM_SMS_DFA_HISTORY): Likewise.
4336
4337 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4338
4339         PR middle-end/23150
4340         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4341         (load_register_parameters): Call it.
4342         (check_sibcall_argument_overlap_1): Likewise.
4343         (store_one_arg): Likewise.
4344
4345 2005-10-07  James E. Wilson  <wilson@specifix.com>
4346
4347         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4348         DImode not VECINT24 for operand 2.
4349
4350         PR target/23644
4351         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4352         -mtune-arch.
4353
4354         PR target/24193
4355         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4356         fr_spill): Use destination_operand for operand 0.
4357
4358 2005-10-07  DJ Delorie  <dj@redhat.com>
4359
4360         * varasm.c (output_constant): Limit error to expanding
4361         conversions.
4362
4363 2005-10-07  Richard Guenther  <rguenther@suse.de>
4364
4365         PR middle-end/24227
4366         * fold-const.c (fold_binary): Fix operand types during folding
4367         of X op (A, Y).  Evaluation order of the side-effects of
4368         X and A are frontend-defined, so ensure we honour that even for
4369         tcc_comparison class operands; eased by removing duplicate code.
4370
4371 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4372
4373         * stor-layout.c (layout_type): Do not allow alignment of array
4374         elements to be greater than their size.
4375
4376 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4377
4378         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4379         host_xmake_file.
4380         (hppa*-*-linux*): Ditto.
4381         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4382         * config/host-hpux.c: New.
4383         * config/x-hpux: New.
4384         * config/pa/x-hpux: Remove.
4385         * config/pa/x-linux: Remove.
4386         * config/pa/pa-host.c: Remove.
4387
4388 2005-10-07  Jeff Law  <law@redhat.com>
4389
4390         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4391         determine whether or not to try and thread outgoing edges.
4392
4393 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4394
4395         * config/rs6000/rs6000.md (eqsi_power): New.
4396         (neg_eq0si): Add TARGET_POWER to final condition.
4397         (neg_eqsi): Same.
4398
4399 2005-10-06  Richard Henderson  <rth@redhat.com>
4400
4401         * config/rs6000/rs6000.c: Revert last change.
4402
4403 2005-10-06  Richard Henderson  <rth@redhat.com>
4404
4405         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4406         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4407
4408 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4409
4410         PR middle-end/22216
4411         PR middle-end/23651
4412         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4413         out return_label and naked_return_label.
4414
4415 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4416
4417         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4418         change.
4419
4420 2005-10-06  Richard Henderson  <rth@redhat.com>
4421
4422         PR tree-opt/22237
4423         * tree-inline.c (declare_return_variable): Handle modify_dest not
4424         being a DECL.
4425
4426 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4427
4428         Fix PR tree-optimization/22488
4429         * tree-ssa-structalias.c (check_for_overlaps): New function.
4430         (create_variable_info_for): Use it.
4431
4432 2005-10-06  Richard Henderson  <rth@redhat.com>
4433
4434         PR debug/24070
4435         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4436         (dwarf2out_start_source_file): Print it.
4437
4438 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4439
4440         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4441
4442 2005-10-06  Richard Henderson  <rth@redhat.com>
4443
4444         PR 23706
4445         * mode-switching.c (optimize_mode_switching): Clear transp bit
4446         for block with incomming abnormal edges.
4447
4448         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4449         (fpscr_set_from_mem): Use them.
4450         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4451         (fpscr postinc splitters): Rewrite as peephole2+split.
4452
4453 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4454
4455         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4456         (eq<mode>_compare): Same.
4457
4458 2005-10-06  Richard Guenther  <rguenther@suse.de>
4459
4460         PR tree-optimization/24238
4461         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4462
4463 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4464
4465         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4466         here.  Use AC_PATH_PROG for environment variables instead of
4467         test -x.
4468         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4469         objdump also.
4470         * configure: Regenerated.
4471
4472 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4473
4474         PR target/23783
4475         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4476         then force it into a register.
4477         (call_value): Likewise.
4478
4479 2005-10-06  Richard Henderson  <rth@redhat.com>
4480
4481         PR 24049
4482         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4483         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4484         under pass_vectorize.
4485
4486 2005-10-05  Devang Patel  <dpatel@apple.com>
4487
4488         PR Debug/23205
4489         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4490         handling constants. Check NAMESPACE_DECL context for constants.
4491
4492 2005-10-05  Eric Christopher  <echristo@apple.com>
4493
4494         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4495
4496 2005-10-05  Richard Henderson  <rth@redhat.com>
4497
4498         PR 23714
4499         * tree-cfg.c (mark_array_ref_addressable_1): New.
4500         (mark_array_ref_addressable): New.
4501         * tree-flow.h (mark_array_ref_addressable): Declare.
4502         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4503
4504 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4505
4506         PR middle-end/20606
4507         PR middle-end/24069
4508         * reload.c (subst_reloads): When adding a REG_LABEL to a
4509         jump instruction, also update JUMP_LABEL.
4510
4511 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4512
4513         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4514         * bb-reorder.c (copy_bb_p): Use it.
4515         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4516
4517 2005-10-05  Richard Henderson  <rth@redhat.com>
4518
4519         PR target/23602
4520         * toplev.c (process_options): Warn about unsupported combinations
4521         of unwind tables and omit-frame-pointer.
4522         * config/i386/i386.c (override_options): Similarly.  Enable
4523         accumulate-outgoing-args if not explicitly disabled.
4524
4525 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4526
4527         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4528         Handle big endian vs. small endian.
4529         (vec_initv2sf): Handle big endian vs. small endian.
4530         (*vec_extractv2sf_1): Ditto.
4531
4532 2005-10-05  Dale Johannesen  <dalej@apple.com>
4533
4534         * convert.c (convert_to_real):  Don't convert
4535         (float)floor(double d) to floorf((float)d).
4536
4537 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4538
4539         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4540
4541 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4542
4543         PR tree-optimization/18587
4544         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4545         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4546         build_vuses): Change to VEC type.
4547         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4548         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4549         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4550         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4551         (get_name_decl): New.  Return DECL_UID of base variable.
4552         (operand_build_cmp): New.  qsort comparison routine.
4553         (operand_build_sort_virtual): New.  Sort virtual build vector.
4554         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4555         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4556         (FINALIZE_BASE): Use get_name_decl.
4557         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4558         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4559         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4560         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4561         direct VEC_* manipulations.
4562         (build_ssa_operands): Call operand_build_sort_virtual.
4563         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4564         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4565         with direct VEC_* manipulations.
4566         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4567         with direct VEC manipulations.
4568
4569 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4570
4571         PR tree-optimization/21419
4572         PR tree-optimization/24146
4573         PR tree-optimization/24151
4574
4575         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4576         (build_asm_expr): Call it if outputs are read-only.
4577         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4578
4579 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4580             Paolo Bonzini  <bonzini@gnu.org>
4581
4582         PR target/23809
4583
4584         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4585         enable the instructions and not just the built-ins.
4586         * doc/invoke.texi (x86 Options): Likewise.
4587
4588 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4589
4590         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4591
4592         * doc/invoke.texi (Option Summary): Correct spelling
4593         of -mmacosx-version-min.
4594
4595 2005-10-04  Devang Patel  <dpatel@apple.com>
4596
4597         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4598         real types.
4599
4600 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4601
4602         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4603         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4604
4605 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4606
4607         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4608         ("TE","tg"): New mode attributes.
4609         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4610         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4611         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4612         dword_mode and one for GPRmode.
4613
4614 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4615
4616         PR preprocessor/13726
4617         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4618         any comments passed in.
4619
4620 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4621
4622         * tree.c (annotate_with_file_line): Fix typo.
4623
4624 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4625
4626         PR ada/19382
4627         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4628         type used to access data in the inlined length == 1 case, use
4629         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4630         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4631
4632 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4633
4634         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4635         TARGET_SSE3 and only for TARGET_80387.
4636         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4637         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4638         Do not depend on TARGET_80387.
4639
4640 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4641
4642         * tree.c (last_annotated_node): Change type to location_t*.
4643         (annotate_with_file_line): Reflect the change of
4644         last_annotated_node type.
4645
4646 2005-10-04  Richard Guenther  <rguenther@suse.de>
4647
4648         PR c/23576
4649         * c-decl.c (grokdeclarator): Don't write to fields
4650         of error_mark_node.
4651
4652 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4653
4654         PR middle-end/23125
4655         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4656         register variables.
4657         * varasm.c (make_decl_rtl): If a register variable does not
4658         have a set user assmbler name, error out.
4659         Decode the asmspec is now name+1 bypassing '*'.
4660
4661 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4662
4663         PR tree-optimization/23049
4664         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4665         of a COND_EXPR is folded before calling fold on the whole rhs of a
4666         conditional assignment.
4667         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4668         document that a COND_EXPR may appear there.
4669
4670 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4671
4672         PR 23445
4673         * tree-vrp.c (extract_range_from_assert): If the new numeric
4674         range created out of the assertion contradicts the existing
4675         numeric range of the ASSERT_EXPR variable, make the new range
4676         varying.
4677
4678 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4679
4680         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4681         from T_REGS to FP register class.
4682
4683 2005-10-03  Richard Henderson  <rth@redhat.com>
4684
4685         PR 24135
4686         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4687         before creating a new one.
4688
4689 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4690
4691         * config/rs6000/t-aix43 (LDFLAGS): New.
4692         * config/rs6000/t-aix52 (LDFLAGS): New.
4693
4694 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4695
4696         * gimplify.c (find_single_pointer_decl_1): New static function.
4697         (find_single_pointer_decl): New static function.
4698         (internal_get_tmp_var): For a formal variable, set restrict base
4699         information if appropriate.
4700         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4701         return it.
4702         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4703         (DECL_GET_RESTRICT_BASE): Define.
4704         (SET_DECL_RESTRICT_BASE): Define.
4705         (decl_restrict_base_lookup): Declare.
4706         (decl_restrict_base_insert): Declare.
4707         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4708         * tree.c (restrict_base_for_decl): New static variable.
4709         (init_ttree): Initialize restrict_base_for_decl.
4710         (copy_node_stat): Copy restrict base information.
4711         (decl_restrict_base_lookup): New function.
4712         (decl_restrict_base_insert): New function.
4713         (print_restrict_base_statistics): New static function.
4714         (dump_tree_statistics): Call print_restrict_base_statistics.
4715
4716 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4717
4718         PR 24142
4719         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4720         case of anti-ranges.
4721
4722 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4723
4724         PR c/18851
4725         * c-typeck.c (tagged_tu_seen): Rename to ...
4726         (tagged_tu_seen_cache): this and add val field.
4727         (comptypes): Move functional to comptypes_internal
4728         and free tagged_tu_seen.
4729         (comptypes_internal): New function and call comptypes_internal
4730         instead of comptypes. Speed up by sibcalling
4731         tagged_types_tu_compatible_p.
4732         (alloc_tagged_tu_seen): New function
4733         (free_all_tagged_tu_seen_up_to): New function.
4734         (tagged_types_tu_compatible_p): Return the val of the seen two
4735         types.
4736         Add that the two types are the same to tagged_tu_seen_base
4737         if they are and call comptypes_internal instead of comptypes.
4738         <case UNION_TYPE>: Speed up common type where the fields are
4739         in the same order.
4740         (function_types_compatible_p): Call comptypes_internal instead of
4741         comptypes.
4742         (type_lists_compatible_p): Likewise.
4743         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4744
4745 2005-10-02  Matthias Klose  <doko@debian.org>
4746
4747         * doc/invoke.texi: Fix typo and speling error.
4748
4749 2005-10-01  Richard Henderson  <rth@redhat.com>
4750
4751         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4752
4753 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4754
4755         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4756         using --start-group and --end-group.
4757
4758 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4759
4760         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4761         FIXME note regarding quirky semantics.
4762
4763 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4764
4765         PR 24141
4766         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4767         non-null range as a last resort.
4768
4769 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4770             Diego Novillo  <dnovillo@redhat.com>
4771
4772         PR 23604
4773         * tree-vrp.c (extract_range_from_assert): For !=
4774         assertions, only build an anti-range if LIMIT is a
4775         single-valued range.
4776
4777 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4778
4779         * arm.md (movqi): On thumb when optimizing, handle loading from
4780         memory by describing this as taking a subreg of a zero-extended load
4781         into an SImode register.
4782         (movhi): Likewise.
4783
4784 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4785
4786         * reload1.c (merge_assigned_reloads): Do not change any
4787         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4788
4789 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4790
4791         * Makefile.in (LIPO_FOR_TARGET): Define.
4792         (STRIP_FOR_TARGET): Define.
4793
4794         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4795         before creating new ones.  Do symlinks before creating the actual
4796         targets.
4797
4798         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4799         to work out which multilibs are actually being built.
4800
4801 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4802
4803         * tree-vect-transform.c, config/ms1/ms1.md,
4804         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4805         Follow spelling conventions.
4806         * doc/invoke.texi, doc/md.texi: Fix typos.
4807
4808 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4809
4810         PR tree-optimization/21430
4811         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4812         use operands, and set stmt pointer if need be.
4813         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4814         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4815         present.
4816
4817 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4818
4819         PR middle-end/24053
4820         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4821
4822 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4823
4824         * optabs.c (expand_binop): Initialize first_pass_p.
4825
4826 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4827
4828         PR middle-end/24109
4829         * c-decl.c (c_write_global_declarations_1): If any
4830         wrapup_global_declaration_2 call returned true, restart the loop.
4831
4832 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4833
4834         Fix PR tree-optimization/24117
4835         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4836         before considering whether to use anyoffset.
4837
4838 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4839
4840         Revert this patch:
4841
4842         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4843
4844         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4845         to order operands.
4846         (swap_commutative_operands_with_target): New.
4847
4848 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4849
4850         PR c/21419
4851         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4852         read-only.
4853
4854 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4855
4856         PR tree-optimization/23911
4857         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4858         and IMAGPART_EXPR too.
4859
4860 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4861
4862         PR 17886
4863         * expmed.c (expand_shift): Move logic to reverse rotation
4864         direction when  rotating by constants ...
4865         * optabs.c (expand_binop): ... here.
4866         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4867         (ix86_rotrdi3): New pattern.
4868         (rotldi3): Handle 32-bit mode.
4869         (ix86_rotldi3): New pattern.
4870
4871 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4872
4873         PR target/24102
4874         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4875         check for numbers that need no bit twiddle.
4876
4877 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4878
4879         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4880         multilib to be built.
4881
4882         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4883         (stage1-start): Delete old libgcc and libunwind before moving
4884         anything into the stage directory.
4885         (stage2-start): Likewise.
4886         (stage3-start): Likewise.
4887         (stage4-start): Likewise.
4888         (stageprofile-start): Likewise.
4889         (stagefeedback-start): Likewise.
4890         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4891         header in tm_file and CPU-specific t-darwin in tmake_file.
4892         (i[34567]86-*-darwin*): Don't change tm_file.
4893         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4894         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4895         shared library stub for target OS version.
4896         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4897         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4898         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4899         (libgcc_s.%.dylib): New.
4900         (LIBGCC): Define.
4901         (install-darwin-libgcc-stubs): New.
4902         (INSTALL_LIBGCC): New append.
4903         * config/i386/darwin-libgcc.10.4.ver: New.
4904         * config/i386/darwin-libgcc.10.5.ver: New.
4905         * config/i386/t-darwin: New.
4906         * config/rs6000/darwin-libgcc.10.4.ver: New.
4907         * config/rs6000/darwin-libgcc.10.5.ver: New.
4908         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4909         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4910
4911 2005-09-28  Paul Brook  <paul@codesourcery.com>
4912
4913         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4914         denormals.
4915
4916 2005-09-28  Richard Guenther  <rguenther@suse.de>
4917
4918         PR tree-optimization/23853
4919         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4920         host_integerp to verify misalignment value.
4921
4922 2005-09-28  Richard Henderson  <rth@redhat.com>
4923
4924         * builtins.c (get_builtin_sync_mode): New.
4925         (expand_builtin_sync_operation): Pass in mode argument.
4926         (expand_builtin_compare_and_swap): Likewise.
4927         (expand_builtin_lock_test_and_set): Likewise.
4928         (expand_builtin_lock_release): Likewise.
4929         (expand_builtin): Update to match.
4930
4931 2005-09-28  Nick Clifton  <nickc@redhat.com>
4932
4933         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4934         formatting.  Add check to PLUS case to ensure that the offset is
4935         within an acceptable range.
4936
4937         * config/v850/v850.md (casesi): Disable the generation of the
4938         switch pattern as it is not being handled properly at the moment.
4939
4940         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4941         for when the high words are identical.
4942
4943 2005-09-27  Richard Henderson  <rth@redhat.com>
4944
4945         * pretty-print.c (pp_base_format): Fix typo for %>.
4946
4947 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4948             Devang Patel  <dpatel@apple.com>
4949
4950         PR tree-optimization/23625
4951         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4952         LABEL_EXPR, assertion check.
4953
4954 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4955
4956         * optabs.c (no_conflict_move_test): Check if a result of a
4957         to-be-moved insn would be clobbered by an originally
4958         preceding insn.
4959
4960 2005-09-27  Jeff Law  <law@redhat.com>
4961
4962         * passes.c (init_optimization_passes): Replace copy propagation
4963         passes immediately after DOM with phi-only copy propagation
4964         pases.  Add phi-only copy propagation pass after first DOM pass.
4965         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4966         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4967         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4968         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4969         to init_copy_prop.  Callers updated.
4970         (do_phi_only_copy_prop): New function.
4971         (pass_phi_only_copy_prop): New pass descriptor.
4972
4973 2005-09-27  Nick Clifton  <nickc@redhat.com>
4974
4975         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4976
4977 2005-09-26  Jason Merrill  <jason@redhat.com>
4978
4979         PR c++/13764
4980         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4981
4982         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4983
4984 2005-09-26  James E Wilson  <wilson@specifix.com>
4985
4986         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4987         copyright.  Add gcc copyright plus libgcc exception.
4988         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4989         copyright.
4990         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4991
4992 2005-09-26  Jeff Law  <law@redhat.com>
4993
4994         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4995         about when to iterate.
4996
4997 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4998
4999         PR target/23847
5000         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5001         for __complex__ double in -mcpu=G5 mode.
5002
5003 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5004
5005         PR tree-optimization/23942
5006         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5007         * tree-scalar-evolution.c: Include params.h.
5008         (t_bool): New enum.
5009         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5010         follow_ssa_edge_in_condition_phi_branch,
5011         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5012         Change return type to t_bool.  Use a parameter to limit the size of
5013         trees that are walked before stopping
5014         (analyze_evolution_in_loop): Initialize the limit to 0.
5015         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5016         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5017
5018 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5019
5020         PR middle-end/23831
5021         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5022         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5023
5024 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5025
5026         * combine.c (make_extraction): Check for valid use of subreg.
5027
5028 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5029
5030         PR target/24055
5031         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5032         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5033         ("fist<mode>2_with_temp"): Use only register operands.
5034
5035 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5036
5037         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5038         CALL_INSN_FUNCTION_USAGE.
5039
5040 2005-09-26  Richard Guenther  <rguenther@suse.de>
5041
5042         PR middle-end/15855
5043         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5044         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5045         (ldst_entry): Use the hashtable instead of list-walking.
5046         (find_rtx_in_ldst): Likewise.
5047         (free_ldst_entry): Free the hashtable.
5048         (compute_ld_motion_mems): Create the hashtable.
5049         (trim_ld_motion_mems): Remove entry from hashtable if
5050         removing it from list.
5051         (compute_store_table): Likewise^2.
5052         (store_motion): Free hashtable in case we did not see
5053         any stores.
5054
5055 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5056
5057         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5058         and arg1 if we are passing them to fold_build2.
5059
5060 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5061
5062         PR 23828
5063         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5064         a nested function.
5065
5066 2005-09-25  Richard Henderson  <rth@redhat.com>
5067
5068         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5069         SYMBOL_REF_TLS_MODEL to be correct.
5070
5071 2005-09-24  Richard Henderson  <rth@redhat.com>
5072
5073         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5074         end of function.  Reindent.
5075
5076 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5077
5078         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5079         NEGATE_EXPR/BIT_NOT_EXPR case.
5080
5081 2005-09-24  Richard Henderson  <rth@redhat.com>
5082
5083         * c-common.c (handle_mode_attribute): When not modifying in place,
5084         create subtypes for enumerations.
5085         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5086         * gimplify.c (create_tmp_from_val): Likewise.
5087
5088 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5089
5090         * config/i386/i386.md (*tls_global_dynamic_64,
5091         *tls_local_dynamic_base_64): Add missing mode to call.
5092         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5093
5094 2005-09-24  Jan Hubicka  <jh@suse.cz>
5095
5096         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5097         (cgraph_clone_node): Likewise.
5098         * cgraph.h (cgraph_clone_edge): Update prototype.
5099         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5100         duplicated prototypes; add updating argument.
5101         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5102         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5103         updating profile.
5104         (cgraph_mark_inline_edge): Likewise.
5105         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5106         (cgraph_flatten_node): Likewise.
5107         (cgraph_decide_recursive_inlining): Likewise.
5108         (cgraph_decide_inlining_of_small_function): Likewise.
5109         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5110
5111 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5112             Pete Steinmetz <steinmtz@us.ibm.com>
5113
5114         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5115         (rldic.): Set type to "compare".
5116         (rldicr.): Same.
5117         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5118         mfjmpr for MFCTR/MFLR.
5119         (movdf_hardfloat64): Same.
5120         (movdf_softfloat64): Same.  Correct order of store and move types.
5121         (movti_string): Set type to store_ux/load_ux.
5122         (load_multiple): Set type to load_ux.
5123         (store_multiple): Set type to store_ux.
5124         (movmemsi): Set type to store_ux.
5125         (output_cbranch direct_return): Set type to jmpreg.
5126         (stmw): Set type to store_ux.
5127         (lmw): Set type to load_ux.
5128         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5129         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5130         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5131         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5132         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5133         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5134         (rios1-fpstore): Increase latency to 3.
5135         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5136         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5137
5138 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5139             Andrew Pinski  <pinskia@physics.uc.edu>
5140
5141         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5142         operand2 constraint to "b".
5143         (sync_<fetchop_name>di_internal): Same.
5144         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5145         to "b".
5146         (sync_old_<fetchop_name>di_internal): Same.
5147         (sync_new_<fetchop_name>si_internal): Same.
5148         (sync_new_<fetchop_name>di_internal): Same.
5149
5150 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5151
5152         PR middle-end/23991
5153         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5154         case, define as macros.
5155
5156         PR rtl-optimization/23837
5157         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5158         clobber / clobber match between dest and p->first.
5159
5160         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5161         (no_conflict_move_test): Update comments.
5162
5163 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5164
5165         * doc/install.texi: Update URL for Jacks.
5166         * doc/sourcebuild.texi: Likewise.
5167
5168 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5169
5170         PR target/24007
5171         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5172         registers when choosing register preferences.
5173         (movdf_hardfloat64): Same.
5174
5175 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5176
5177         * expmed.c (expand_shift): Don't use the target of the rotate as
5178         target for the first expanded shift insn.
5179         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5180
5181 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5182
5183         PR tree-optimization/22438
5184         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5185         preserved iv rhs rewriting specially.
5186
5187 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5188
5189         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5190         estimate_only  is true.
5191         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5192         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5193         tree-ssa-structalias.c
5194         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5195         ref_contains_indirect_ref.
5196         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5197
5198 2005-09-21  DJ Delorie  <dj@redhat.com>
5199
5200         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5201         MASK_PTR_A0D0.
5202         (mn10300_return_in_memory): Support variable size types also.
5203         (mn10300_pass_by_reference): Likewise.
5204         (mn10300_function_value): New.
5205         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5206         (FUNCTION_OUTGOING_VALUE): Likewise.
5207         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5208         * doc/invoke.texi: Document it.
5209
5210 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5211
5212         PR target/22585
5213         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5214         force integer op1 into register for XFmode compares.
5215
5216 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5217
5218         PR middle-end/23971
5219         * expmed.c (alg_code): Add alg_impossible.
5220         (alg_hash_entry): Add cost.
5221         (synth_mult): Record alg_impossible in the hash table if
5222         multiplication by a given integer is impossble within the
5223         limit.  Speed up using alg_impossible.
5224
5225 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5226
5227         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5228         argument.  Allow and set any offset if needs_anyoffset is passed
5229         in.
5230         (get_constraint_for): Add argument here too.
5231         Pass it down.
5232         (do_structure_copy): Pass NULL to get_constraint_for.
5233         (handle_ptr_arith): Ditto.
5234         (find_func_aliases): Ditto.
5235
5236 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5237
5238         PR rtl-optimization/23898
5239         * output.h (get_attr_min_length): Declare.
5240         * final.c (get_attr_length_1): New function, broken out of:
5241         (get_attr_length).
5242         (get_attr_min_length): New function.
5243         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5244         (duplicate_computed_gotos): Likewise.
5245         * genattr.c (insn_min_length): Generate declaration.
5246         * genattrtab.c (min_fn, min_attr_value): New functions.
5247         (make_length_attrs): Generate insn_min_length.
5248
5249 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5250
5251         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5252
5253 2005-09-20  Richard Henderson  <rth@redhat.com>
5254
5255         PR tree-optimization/24059
5256         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5257         EXPAND_STACK_PARM.
5258
5259 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5260
5261         * c.opt (fextended-identifiers): New.
5262         * c-opts.c (c_common_handle_option): Handle
5263         -fextended-identifiers.
5264         * doc/cpp.texi: Update documentation of extended identifiers.
5265         * doc/cppopts.texi (-fextended-identifiers): Document.
5266
5267 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5268
5269         PR tree-optimization/23929
5270         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5271         if expr is NULL.
5272
5273         PR tree-optimization/23818
5274         * tree-stdarg.c (execute_optimize_stdarg): Call
5275         calculate_dominance_info.
5276
5277 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5278
5279         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5280         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5281         (compute_overlap_steps_for_affine_1_2): Use
5282         get_number_of_iters_for_loop.
5283         (analyze_subscript_affine_affine): Check whether difference is
5284         zero first.
5285         Use get_number_of_iters_for_loop.
5286         Check whether overlap occurs outside of bounds.
5287         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5288
5289 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5290
5291         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5292         base register if possible.
5293
5294 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5295
5296         PR tree-optimization/18463
5297         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5298         converting it directly is not possible.
5299         (chrec_convert_aggressive): New function.
5300         * tree-chrec.h (chrec_convert_aggressive): Declare.
5301         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5302         Fold chrec conversions aggressively if asked to.
5303         (instantiate_parameters): Modified because of changes in
5304         instantiate_parameters_1.
5305
5306 2005-09-19  Richard Henderson  <rth@redhat.com>
5307
5308         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5309         (reduc_splus_v2df): New.
5310
5311 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5312
5313         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5314         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5315
5316 2005-09-19  Richard Henderson  <rth@redhat.com>
5317
5318         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5319         vcondu<SSEMODE12>.
5320
5321 2005-09-19  Richard Henderson  <rth@redhat.com>
5322
5323         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5324         (ia64_expand_dot_prod_v8qi): New.
5325         * config/ia64/ia64-protos.h: Update.
5326         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5327         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5328         sdot_prodv8qi, sdot_prodv4hi): New.
5329         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5330
5331 2005-09-19  Richard Henderson  <rth@redhat.com>
5332
5333         PR 23941
5334         * real.c (exact_real_truncate): Return false if the format cannot
5335         represent the number as a normal.
5336
5337         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5338         for a memory source.
5339
5340 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5341
5342         * tree-ssa-operands.c (swap_tree_operands): Export.
5343         * tree.h (swap_tree_operands): Declare.
5344         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5345         Call swap_tree_operands.
5346
5347 2005-09-19  Richard Henderson  <rth@redhat.com>
5348
5349         * tree-flow.h (merge_alias_info): Declare.
5350         * tree-ssa-copy.c (merge_alias_info): Export.
5351         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5352         (vect_create_data_ref_ptr): Use create_iv directly.
5353         (vectorizable_load): Use correct types for integer constants.
5354         (vect_generate_tmps_on_preheader): Likewise.
5355         (vect_gen_niters_for_prolog_loop): Likewise.
5356
5357 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5358
5359         PR rtl-optimization/23943
5360         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5361
5362 2005-09-18  Jan Hubicka  <jh@suse.cz>
5363
5364         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5365
5366 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5367
5368         * varasm.c (output_constant): Do not abort on conversions to union
5369         types between different sizes.
5370
5371 2005-09-18  Richard Guenther  <rguenther@suse.de>
5372
5373         PR middle-end/23944
5374         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5375         fallback.
5376
5377 2005-09-18  Paul Brook  <paul@codesourcery.com>
5378
5379         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5380
5381 2005-09-17  Richard Henderson  <rth@redhat.com>
5382
5383         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5384         * tree-ssa-loop.c (pass_vect_dce): Remove.
5385         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5386         of pass_vectorize.
5387
5388 2005-09-17  Richard Henderson  <rth@redhat.com>
5389
5390         * tree-pass.h (pass_vect_dce): Declare.
5391         * passes.c (init_optimization_passes): Add it.
5392         * tree-flow.h (tree_ssa_dce): Declare.
5393         * tree-ssa-dce.c (tree_ssa_dce): Export.
5394         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5395         (gate_tree_vectorize): ... here.
5396         (pass_vect_dce): New.
5397
5398 2005-09-17  Jan Hubicka  <jh@suse.cz>
5399
5400         * except.c (struct eh_status): Turn region_array into vec.
5401         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5402         convert_from_eh_region_ranges, find_exception_handler_labels,
5403         current_function_has_exception_handlers, assign_filter_values,
5404         build_post_landing_pads, dw2_build_landing_pads,
5405         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5406         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5407         foreach_reachable_handler, can_throw_internal_1,
5408         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5409         region_array.
5410         (duplicate_eh_region_1): Update region_array.
5411         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5412
5413 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5414
5415         PR middle-end/22067
5416         * expmed.c (expand_mult): Substitute simple register for op0 when
5417         computing max_cost.
5418
5419 2005-09-17  Richard Henderson  <rth@redhat.com>
5420
5421         * expr.c (emit_move_via_integer): Add force argument, pass it on
5422         to emit_move_change_mode.  Update callers.
5423         (emit_move_complex): Pass true to new force argument.
5424         * function.c (expand_function_end): Move expand_eh_return call
5425         earlier.  Merge sub-word complex values into a pseudo before
5426         copying to the return hard register.
5427
5428 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5429
5430         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5431         between different sizes.
5432
5433 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5434
5435         PR 23903
5436
5437         * passes.c (init_optimization_passes): Register dump files for
5438         IPA passes first.
5439
5440 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5441
5442         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5443         * config/s390/s390.c (s390_overlap_p): New function.
5444         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5445         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5446         condition.
5447
5448 2005-09-16  Richard Guenther  <rguenther@suse.de>
5449
5450         * ipa-pure-const.c (static_execute): Free auxiliar information.
5451         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5452         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5453
5454 2005-09-15  DJ Delorie  <dj@redhat.com>
5455
5456         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5457
5458 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5459
5460         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5461         to order operands.
5462         (swap_commutative_operands_with_target): New.
5463
5464 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5465
5466         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5467         parameter.
5468         Update callers.
5469         (estimate_iters_using_array): New function.
5470         * tree-data-ref.h (estimate_iters_using_array): Prototype
5471         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5472         Use estimate_iters_using_array instead of analyze_array.
5473
5474 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5475
5476         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5477         as addressable.
5478
5479 2005-09-15  Michael Matz  <matz@suse.de>
5480
5481         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5482
5483 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5484
5485         PR tree-optimization/23835
5486         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5487         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5488
5489 2005-09-14  Richard Henderson  <rth@redhat.com>
5490
5491         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5492         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5493
5494 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5495
5496         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5497         in the ARRAY_TYPE case.
5498
5499 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5500
5501         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5502
5503 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5504
5505         PR middle-end/22480
5506         * tree-vect-transform.c (vectorizable_operation): Return false for
5507         scalar shift operations and for vector shift operations with
5508         non-invariant shift arguments.  Use scalar tree operand op1 as
5509         a shift operand when vector shift insn pattern uses scalar shift
5510         operand.
5511         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5512
5513 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5514
5515         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5516         value if it has side-effects.
5517
5518 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5519
5520         PR target/22068
5521         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5522
5523 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5524
5525         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5526         passed as NAME as if it were label at start of function code.
5527
5528 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5529
5530         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5531         the constraints.
5532
5533 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5534
5535         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5536         as early clobber.  Rewrite so the PIC register is not implicitly used.
5537
5538 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5539
5540         * tree.c (annotate_with_file_line): Compare line numbers before
5541         file names.
5542
5543 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5544
5545         PR target/23816
5546         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5547         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5548
5549 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5550
5551         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5552         than a HOST_WIDEST_INT to gen_doloop_begin.
5553
5554 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5555
5556         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5557
5558 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5559
5560         PR tree-optimize/23817
5561         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5562
5563 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5564
5565         PR target/23774
5566         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5567         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5568         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5569         (restore_stack_nonlocal): Likewise.
5570         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5571
5572 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5573
5574         PR g++/7874
5575         * c.opt (ffriend-injection): New C++ option.
5576         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5577         (C++ Dialect Options): Document -ffriend-injection.
5578
5579 2005-09-12  Josh Conner  <jconner@apple.com>
5580
5581         PR middle-end/23237
5582         * ipa-reference.c (static_execute): Don't mark variables in
5583         named sections TREE_READONLY.
5584
5585 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5586
5587         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5588         stack_tie.
5589
5590 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5591
5592         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5593         V_MUST_DEF instead of just the first_use_p.
5594         Don't mark the virtual variables for renaming on the statement which
5595         is being removed.
5596         (pass_dse): Remove TODO_update_ssa.
5597
5598 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5599
5600         PR middle-end/23290
5601         * stor-layout.c (compute_record_mode): For records with a single
5602         field, actually check the field's mode size against the type size.
5603
5604         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5605         registers for TARGET_SHMEDIA.
5606         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5607         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5608         of GENERAL_REGS and FP_REGS.
5609
5610 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5611
5612         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5613
5614 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5615
5616         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5617         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5618         are omitted.  Exclude stack_tie insn too.
5619
5620 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5621
5622         PR rtl-optimization/23098
5623         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5624         0.0f is easy.
5625         * config/rs6000/rs6000.md (movdf splitter): Use
5626         const_double_operand predicate for TARGET_POWERPC64.
5627         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5628         SYMBOL_REF method to ABI_V4.
5629
5630         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5631         replace_equiv_address.
5632         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5633         rs6000_sr_alias_set and MEM_NOTRAP.
5634         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5635
5636 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5637
5638         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5639         handle CALL_EXPR again.
5640
5641 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5642
5643         * arm/predicates.md (alignable_memory_operand): Delete.
5644
5645 2005-09-10  Richard Henderson  <rth@redhat.com>
5646
5647         PR debug/23806
5648         * dbxout.c (dbxout_expand_expr): New.
5649         (dbxout_symbol): Use it.
5650
5651 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5652
5653         * arm.c (arm_gen_rotated_half_load): Delete.
5654         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5655         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5656         (thumb_set_return_address): Likewise.
5657         (thumb_load_double_from_address): Use adjust_address.
5658         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5659         (extendhsisi2_mem, movhi_bytes): Use change_address.
5660         (movhi): Use widen_memory_access.
5661         (reload_out_df): Use replace_equiv_address.
5662         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5663
5664 2005-09-09  Richard Henderson  <rth@redhat.com>
5665
5666         PR debug/20998
5667         * dbxout.c: Include expr.h.
5668         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5669         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5670         * Makefile.in (dbxout.o): Add EXPR_H.
5671
5672 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5673
5674         PR tree-optimization/23509
5675         * tree-cfg.c (replace_uses_by): Use replace_exp.
5676         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5677         pointers have name_mem_tag or type_mem_tag set.
5678
5679 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5680
5681         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5682         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5683         of wrongly accessing operands.
5684
5685 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5686
5687         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5688         * tree-chrec.c: Include tree-scalar-evolution.h.
5689         (chrec_convert): Instantiate the base and step before calling
5690         scev_probably_wraps_p that would fail on parametric evolutions.
5691         Collect all the fails into a single section failed_to_convert,
5692         print a diagnostic, and return chrec_dont_know instead of calling
5693         fold_convert.
5694         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5695         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5696         phi nodes.
5697         (scev_const_prop): Don't replace the definition of a loop closed ssa
5698         phi node by itself, or by another loop closed ssa phi node.
5699         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5700         that base and step are defined.
5701
5702 2005-09-09  Richard Guenther  <rguenther@suse.de>
5703
5704         PR c++/23624
5705         * fold-const.c (fold_ternary): Check truth_value_p before
5706         calling invert_truthvalue.
5707
5708 2005-09-09  Nick Clifton  <nickc@redhat.com>
5709
5710         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5711         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5712         dimension of these arrays.
5713         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5714         these arrays.
5715         * longlong.h: Only provide a prototype for the __clz_tab[] array
5716         if this header has not been included from libgcc2.h.
5717         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5718         defining own types.
5719         Provide prototypes for exported functions.
5720         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5721         libgcc2.c.
5722
5723 2005-09-08  Josh Conner  <jconner@apple.com>
5724
5725         PR c++/21135
5726         PR c++/23180
5727         * expr.c (expand_expr_addr_expr_1): Don't invoke
5728         expand_simple_binop for EXPAND_INITIALIZER.
5729
5730 2005-09-08  Richard Henderson  <rth@redhat.com>
5731
5732         PR debug/23190
5733         * toplev.c (wrapup_global_declaration_1): Split out ...
5734         (wrapup_global_declaration_2): ... from ...
5735         (wrapup_global_declarations): ... here.  Return bool.
5736         (check_global_declaration_1): Split out ...
5737         (check_global_declarations): from here.
5738         (emit_debug_global_declarations): New.
5739         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5740         check_global_declaration_1, emit_debug_global_declarations): Declare.
5741         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5742         of decls.  Call wrapup_global_declaration_1,
5743         wrapup_global_declaration_2, check_global_declaration_1 directly.
5744         (c_write_global_declarations_2): New.
5745         (ext_block): New.
5746         (c_write_global_declarations): Call c_write_global_declarations_2.
5747         * langhooks.c (write_global_declarations): Call
5748         emit_debug_global_declarations.
5749
5750         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5751         remove decls that have DECL_RTL_SET_P.
5752         * passes.c (rest_of_decl_compilation): Invoke
5753         cgraph_varpool_finalize_decl for all but functions.
5754
5755 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5756
5757         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5758         the result of a conversion if the new min and max cannot be compared.
5759
5760 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5761
5762         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5763         (override_options): Setting s390_sr_alias_set removed.
5764         (save_fpr, save_gprs): Set alias set to vararg or frame.
5765         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5766         s390_sr_alias_set with get_frame_alias_set ().
5767         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5768         get_varargs_alias_set ().
5769
5770 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5771
5772         PR objc/20574
5773         PR objc/19324
5774         * c-parser.c (c_parser_objc_method_definition): If the next
5775         token is not "{", error out and don't start the function.
5776
5777 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5778
5779         * tree-vrp.c (extract_range_from_expr): Move the check for non
5780         nullness after the check for gimple invariant.
5781
5782 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5783
5784         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5785
5786 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5787
5788         PR target/23747
5789         * config/m32r.md (movmemsi_internal): Canonicalize order of
5790         operands in PLUS component of template.
5791
5792 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5793
5794         * reload1.c (fixup_eh_region_note): Remove assertion.
5795         (fixup_abnormal_edges): Reverted removal of call to
5796         find_many_sub_basic_blocks made on 2005-08-31.
5797
5798 2005-09-07  Richard Henderson  <rth@redhat.com>
5799
5800         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5801         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5802         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5803         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5804         rearrange for better packing.
5805         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5806         (lookup_cfa_1): Remove inline marker.
5807         (cfa_equal_p): Split out of ...
5808         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5809         (build_cfa_loc): Handle !cfa->indirect.
5810         (frame_pointer_cfa_offset): New.
5811         (dbx_reg_number): Assert register elimination performed; do
5812         leaf register remapping.
5813         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5814         (eliminate_reg_to_offset): New.
5815         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5816         for verifiably local stack frame addresses; re-base to CFA.
5817         (mem_loc_descriptor): Remove can_use_fbreg argument.
5818         (concat_loc_descriptor, loc_descriptor): Likewise.
5819         (containing_function_has_frame_base): Remove.
5820         (rtl_for_decl_location): Don't do register elimination or
5821         leaf register remapping here.
5822         (secname_for_decl): Split out from ..
5823         (add_location_or_const_value_attribute): ... here.
5824         (convert_cfa_to_loc_list): New.
5825         (compute_frame_pointer_to_cfa_displacement): New.
5826         (gen_subprogram_die): Use them.
5827         * tree.h (frame_base_decl): Remove.
5828         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5829         (prologue_stack_adjust): Remove.
5830         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5831         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5832         (set_frame_base_location): Remove.
5833         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5834         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5835         (vt_add_function_parameters): Don't eliminate_regs.
5836         (vt_initialize): Don't create frame_base_decl.
5837
5838 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5839
5840         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5841         version of GNU binutils for 4.x and later.
5842
5843 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5844
5845         * ggc-page.c (ggc_push_context): Remove.
5846         (ggc_pop_context): Likewise.
5847         * ggc.h (ggc_push_context): Remove.
5848         (ggc_pop_context): Likewise.
5849
5850 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5851
5852         PR target/8973
5853         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5854         returning from an interrupt handler.
5855
5856 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5857
5858         PR target/8972
5859         * config/arc/arc.c (output_shift): Add check for loop count when
5860         optimizing.
5861
5862 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5863
5864         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5865         form manually.
5866         (abs_replacement): Likewise.
5867         (pass_phiopt): Remove TODO_update_ssa.
5868
5869 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5870
5871         PR c/23075
5872         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5873         if "return with no value, in function returning non-void" warning
5874         has been issued.
5875         * tree-cfg.c (execute_warn_function_return): Don't look at
5876         RETURN_EXPRs with TREE_NO_WARNING set.
5877
5878         PR target/22362
5879         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5880         for internal functions doesn't use registers used by global registers
5881         variables.  Use fewer register parameters if there are global register
5882         variables.
5883
5884 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5885             Eric Botcazou  <ebotcazou@adacore.com>
5886
5887         PR middle-end/14997
5888         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5889         when we would be extracting outside its bit span (bitpos+bitsize
5890         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5891         Ada unchecked conversions.
5892
5893 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5894
5895         * tree-ssa-pre.c (try_look_through_load): New function.
5896         (compute_avail): Use it to try to look through loads for some
5897         more useful expressions.
5898
5899 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5900
5901         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5902         condition for detecting cases like (a&a) and (a^a).
5903
5904 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5905
5906         * common.opt: Add option ftree-vect-loop-version.
5907         * params.def: Add --param vect-max-version-checks.
5908         * doc/invoke.texi: Document ftree-vect-loop-version and
5909         --param vect-max-version-checks.
5910         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5911         may_misalign_stmts and defines for accessors.
5912         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5913         LOOP_VINFO_MAY_MISALIGN_STMTS.
5914         (destroy_loop_vec_info): VEC_free for
5915         LOOP_VINFO_MAY_MISALIGN_STMTS.
5916         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5917         Update documentation.
5918         (vect_update_misalignment_for_peel): New.
5919         (vect_enhance_data_refs_alignment): Update to choose loop
5920         peeling or loop versioning if appropriate for the (potentially)
5921         unaligned data references in the loop.
5922         (vect_analyze_data_refs_alignment): Remove call to
5923         vect_enhance_data_refs_alignment so the checks can be done
5924         earlier.
5925         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5926         and move up call to vect_analyze_data_refs_alignment.
5927         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5928         (vect_transform_loop): Add call to loop_version.
5929
5930 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5931
5932         PR rtl-optimization/23098
5933         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5934         * simplify-rtx.c (constant_pool_reference_p): New function.
5935         * rtl.h (constant_pool_reference_p): New prototype.
5936         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5937         constant_pool_reference_p in condition and
5938         avoid_constant_pool_reference in preparation statements.
5939
5940 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5941
5942         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5943         STRICT_LOW_PART SETs.
5944
5945 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5946
5947         PR middle-end/21460
5948         * except.c (sjlj_emit_function_enter): Find the function begin
5949         note even when it's not in first basic block.
5950
5951 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5952
5953         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5954         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5955         * aclocal.m4: Regenerate.
5956
5957 2005-09-05  DJ Delorie  <dj@redhat.com>
5958
5959         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5960         of macro.
5961
5962 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5963
5964         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5965         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5966         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5967         Follow spelling conventions.
5968         * doc/invoke.texi: Follow spelling conventions.
5969
5970 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5971
5972         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5973         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5974         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5975
5976 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5977
5978         PR target/23683
5979         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5980         (output_stack_adjust): Use gen_tmp_stack_mem.
5981         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5982         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5983         (sh_get_pr_initial_val): Likewise.
5984         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5985         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5986         * sh.md (divsi_inv_m0): Use gen_const_mem.
5987         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5988         (movdf_i4+1): Use gen_tmp_stack_mem.
5989         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5990         (fpu_switch+2): Likewise.
5991         (movv4sf_i, movv16sf_i): Use adjust_address.
5992         (symGOT_load): Set MEM_NOTRAP_P bit.
5993
5994 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5995
5996         PR target/23721
5997         * pa.c (emit_move_sequence): Fix typo in last change.
5998
5999 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6000
6001         PR rtl-optimization/23454
6002         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6003         is true.
6004
6005 2005-09-03  Richard Henderson  <rth@redhat.com>
6006             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6007
6008         PR middle-end/23671
6009         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6010         gen_rtx_MEM.
6011
6012 2005-09-02  Nicolas Pitre <nico@cam.org>
6013
6014         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6015         to bit_count to 32 bits.
6016
6017 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6018
6019         PR c++/23167
6020         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6021         generating synthetic loads from volatile lvalues.
6022
6023 005-09-02  Nick Clifton  <nickc@redhat.com>
6024
6025         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6026         __ctzhi2, __clzhi2): New functions.
6027
6028 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6029
6030         PR middle-end/23547
6031         * tree-nested.c (struct var_map_elt): Mark with GTY.
6032         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6033         var_map_elt.
6034         (lookup_field_for_decl): Allocate new element in GC memory.
6035         (lookup_tramp_for_decl): Likewise.
6036         (convert_nl_goto_reference): Likewise
6037         (create_nesting_tree): Allocate info in GC memory. Likewise for
6038         info->var_map.
6039         (free_nesting_tree): Free with ggc_free instead of free.
6040         (root): New static variable.
6041         (lower_nested_functions): Remove root as local variable.  And zero out
6042         root at the end of the function.
6043
6044 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6045
6046         PR rtl-optimization/20365
6047         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6048         to short.  New member ix.
6049         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6050         (simplify_plus_minus): Initialize ix members before calling qsort.
6051
6052 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6053
6054         PR tree-optimization/23626
6055         * tree-cfg.c (replace_uses_by): Clean up eh info.
6056
6057 2005-09-01  DJ Delorie  <dj@redhat.com>
6058
6059         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6060         fprintf.
6061
6062 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6063
6064         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6065         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6066         gen_rtx_MEM.
6067
6068 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6069
6070         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6071         do not issue warning for a variable definition following
6072         a declaration.
6073
6074 2005-09-01  Richard Henderson  <rth@redhat.com>
6075
6076         PR 23668
6077         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6078         conversion to CONST_VECTOR.
6079
6080 2005-09-01  Richard Henderson  <rth@redhat.com>
6081
6082         PR 23676
6083         * reload1.c (reload_as_needed): Check !CALL_P before calling
6084         fixup_eh_region_note.
6085         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6086
6087 2005-09-01  DJ Delorie  <dj@redhat.com>
6088
6089         * varasm.c (output_constant): Let the target resolve
6090         conversions of addresses to non-default pointer sizes.
6091
6092 2005-09-01  Nicolas Pitre <nico@cam.org>
6093
6094         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6095         to alow matching ARM pre-indexed addressing mode.
6096         (arm_override_options): Remove now irrelevant comment.
6097
6098 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6099
6100         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6101         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6102         * config/i386/vxworks.h:  Likewise.
6103         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6104         * config/i386/vxworksae.h:  Likewise.
6105
6106 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6107
6108         PR tree-optimization/23410
6109         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6110         sequence is not wrapping during the first step.
6111
6112 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6113
6114         PR debug/7241
6115         * dwarf2out.c (base_type_die): Compare char_type_node with
6116         TYPE_MAIN_VARIANT (type), not type.
6117
6118 2005-09-01  Richard Guenther  <rguenther@suse.de>
6119
6120         PR tree-optimization/15366
6121         * common.opt: Add -finline-functions-called-once.
6122         Put -fearly-inlining in alphabetically ordered place.
6123         * doc/invoke.texi: Document new option.
6124         * ipa-inline.c (cgraph_decide_inlining): Honour
6125         flag_inline_functions_called_once.
6126
6127 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6128
6129         PR rtl-optimization/23478
6130         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6131         (alloc_qty): Initialize it.
6132         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6133         (combine_regs): Combine also n_throwing_calls_crossed fields.
6134         (find_free_reg): Don't attempt to caller-save pseudos crossing
6135         calls that might throw.
6136         * global.c (struct allocno): Add throwing_calls_crossed field.
6137         (global_alloc): Revert 2005-08-22 change.  Initialize
6138         throwing_calls_crossed.
6139         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6140         might throw.
6141
6142 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6143
6144         PR target/23649
6145         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6146         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6147         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6148         (and64_2_operand): Tweak to use predicate.
6149         (and_operand): Adjust for mask_operand changes.
6150         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6151         (print_operand): Likewise.
6152         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6153         (mask64_1or2_operand): Delete.
6154         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6155         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6156         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6157         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6158         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6159         (rotldi3_internal4): Likewise.
6160         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6161         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6162         (ashldi3_internal7): Likewise.
6163         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6164         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6165         (anddi3 split): Don't match mask64_operand.
6166         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6167         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6168         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6169         't' splitter predicate.
6170         (movdi_internal64 + 2): Revert 2005-06-11 change.
6171
6172 2005-08-31  DJ Delorie  <dj@redhat.com>
6173
6174         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6175         (m32c_asm_integer): Add support for 32 bit pointers.
6176
6177 2005-08-31  Richard Henderson  <rth@redhat.com>
6178
6179         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6180         component-like references for setting MEM_NOTRAP_P.
6181
6182         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6183         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6184
6185 2005-08-31  Richard Henderson  <rth@redhat.com>
6186
6187         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6188         into a pseudo before applying gen_lowpart.
6189
6190 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6191
6192         * doc/install.texi (Specific): Update cctools version required
6193         for full functionality.
6194         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6195         linkers as -macosx_version_min.
6196
6197 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6198
6199         PR target/21255
6200         * sh.c (print_operand, %R and %S): Add handling of floating point
6201         registers, memory, constants and invalid operands.
6202
6203 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6204
6205         * ipa-pure-const.c: Change dump name.
6206
6207 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6208
6209         PR target/23570
6210         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6211         to "reg_or_0_operand".
6212         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6213
6214 2005-08-31  Dale Johannesen  <dalej@apple.com>
6215
6216         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6217         loops that count down.
6218
6219 2005-08-31  Richard Henderson  <rth@redhat.com>
6220
6221         PR rtl-opt/23601
6222         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6223         (fixup_eh_region_note): New.
6224         (reload_as_needed): Call it.
6225         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6226         don't call find_many_sub_basic_blocks; call verify_flow_info.
6227         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6228         (keep_stack_depressed): Likewise.
6229         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6230
6231 2005-08-31  Richard Henderson  <rth@redhat.com>
6232
6233         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6234         fp return matching.
6235
6236 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6237
6238         * expr.c (expand_expr_real_1): Compare size of address
6239         mode to target's address mode size in deciding expansion of
6240         the constant address.
6241
6242 2005-08-31  Richard Guenther  <rguenther@suse.de>
6243
6244         PR middle-end/23477
6245         * expr.c (all_zeros_p): New function.
6246         (expand_expr_real_1): Handle the case of an all-zero
6247         non-addressable constructor separately.
6248
6249 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6250
6251         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6252         arguments, adjust all callers.
6253         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6254
6255 2005-08-30  Richard Henderson  <rth@redhat.com>
6256
6257         PR target/23630
6258         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6259         whenever the mode sizes match.
6260
6261 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6262
6263         * calls.c (load_register_parameters): Fix comment typo.
6264         * expr.c (emit_push_insn): Comment formatting.
6265
6266 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6267
6268         * config/i386/x-cygwin (host-cygwin): Change dependency from
6269         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6270
6271 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6272
6273         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6274         parts of 'vals'.
6275
6276 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6277
6278         PR middle-end/23408
6279         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6280         call to ggc_collect.
6281
6282 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6283
6284         PR bootstrap/21268
6285         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6286         beginning.  Remove $(INCLUDES) from all the rules, if following
6287         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6288
6289 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6290
6291         PR middle-end/23484
6292         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6293         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6294         not constant, but maxlen is, don't set len to maxlen, rather
6295         set maxlen to len if len is a constant.
6296
6297 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6298
6299         PR tree-optimization/23475
6300         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6301         and counts.
6302
6303 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6304
6305         Fix PR middle-end/22455
6306
6307         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6308         Checksum only the parts of the tree that exist for the tree code.
6309
6310 2005-08-28  Dale Johannesen  <dalej@apple.com>
6311
6312         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6313
6314 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6315
6316         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6317
6318 2005-08-28  Richard Henderson  <rth@redhat.com>
6319
6320         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6321         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6322         of char_type_node.
6323
6324 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6325
6326         PR ada/23593
6327         * builtins.c (get_memory_rtx): Don't strip nops
6328         in between COMPONENT_REFs.
6329
6330 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6331
6332         PR middle-end/23463
6333         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6334         types.
6335         (gimplify_modify_expr): Check for zero sized types and gimplify the
6336         rhs and lhs as statements.
6337
6338 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6339
6340         PR libgcj/23508
6341         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6342         state for return address column of signal frames.
6343
6344 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6345
6346         PR target/23539
6347         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6348         bytes >= 2 not bytes == 2.
6349         (expand_block_move): Same.
6350
6351 2005-08-27  Richard Guenther  <rguenther@suse.de>
6352
6353         PR target/23575
6354         * config/i386/sse.md (sse2_movsd): Add missing closing
6355         braces.
6356
6357 2005-08-27  Paul Brook  <paul@codesourcery.com>
6358
6359         * genrecog.c (enum decision_type): Add DT_num_insns.
6360         (struct decision_test): Add u.num_insns.
6361         (add_to_sequence): Add DT_num_insns test.
6362         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6363         (write_cond, debug_decision_2): Ditto.
6364         (change_state): Assume peep2_next_insn never fails.
6365         Remove "afterward" argument.
6366         (write afterward, write_tree): Update to match.
6367         * recog.c (peep2_current_count): New variable.
6368         (peep2_next_insn): Check it.
6369         (peephole2_optimize): Set peep2_current_count.
6370         * recog.h (peep2_current_count): Declare.
6371
6372 2005-08-26  Josh Conner  <jconner@apple.com>
6373
6374         PR middle-end/23584
6375         * ipa-pure-const.c (check_tree): Check for volatile-ness
6376         when considering a dereference.
6377
6378 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6379
6380         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6381
6382 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6383
6384         PR rtl-optimization/23561
6385         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6386         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6387         at most LEN bytes long memory fits into the field.
6388         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6389         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6390         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6391
6392 2005-08-26  Richard Henderson  <rth@redhat.com>
6393
6394         PR rtl-opt/23560
6395         * loop.c (biased_biv_may_wrap_p): New.
6396         (maybe_eliminate_biv_1): Use it to suppress non-equality
6397         comparison transformations.  Delete disabled code.
6398
6399 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6400
6401         * combine.c (make_extraction): Avoid reference outside object.
6402
6403 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6404
6405         * stor-layout.c (finalize_type_size): Restore behaviour for
6406         non-aggregate types to the status quo ante of the patch for
6407         pr 23467.  Document why it matters.
6408
6409 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6410
6411         PR c/23506
6412         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6413         array by one element, initialize the BT_LAST element with NULL.
6414
6415 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6416
6417         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6418         optimizing for size.
6419         (plus_eqsi): Same.
6420         (compare_plus_eqsi): Same.
6421         (plus_eqsi_compare): Same.
6422         (neg_eq0<mode>): Same.
6423         (neg_eq<mode>): Same.
6424
6425         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6426         PROCESSOR_POWER4.
6427
6428 2005-08-26  Nick Clifton  <nickc@redhat.com>
6429
6430         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6431         TARGET_EP is not defined.
6432         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6433         TARGET_EP is enabled.
6434         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6435         * config/v850/v850.md (save_all_interrupt): Only use the EP
6436         register if TARGET_EP is defined.
6437         (restore_all_interrupt): Likewise.
6438         * config/v850/lib1funcs.asm: Update functions so that the EP
6439         register is only used if __EP__ is defined.
6440
6441 2005-08-26  David Ung  <davidu@mips.com>
6442
6443         * config/mips/mips.c (mips_expand_prologue): Handle case when
6444         generating for MIPS16 and the outgoing argument area is more than
6445         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6446         add instruction.
6447
6448 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6449
6450         * config/crx/crx.md: Make doloop_end pattern usage controllable
6451         via mloop-nesting=<max-nesting> command line switch. Make sure
6452         the combiner cannot use doloop_end_<mode> in an illegal way.
6453         * config/crx/crx.c: Use regs up to r6 for argument passing.
6454         Refine crx_address_cost (non cst4 displacements are expensive).
6455         * config/crx/crx.opt: Add switch for mloop-nesting=.
6456
6457 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6458
6459         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6460         (UNSPEC_MVST): New constant.
6461
6462 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6463
6464         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6465         Reject operands containing eliminable registers.
6466         * testsuite/gcc.dg/20050825-1.c: New testcase.
6467
6468 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6469             Jan Hubicka  <jh@suse.cz>
6470
6471         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6472
6473 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6474
6475         PR tree-optimization/23546
6476         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6477         and REAL_CST nodes.
6478
6479 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6480
6481         * params.def (PARAM_MIN_SPEC_PROB): New.
6482         * sched-rgn.c (MIN_PROBABILITY): Delete.
6483         (compute_trg_info): Convert to PARAM_VALUE.
6484         * doc/invoke.texi (param): Document min-spec-prob.
6485
6486 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6487
6488         * config/darwin.h: define __PIC__
6489         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6490         TARGET_OS_CPP_BUILTINS macro.
6491
6492 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6493
6494         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6495         yesterday.
6496
6497 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6498
6499         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6500         to duplicate_block.
6501         * cfghooks.c (duplicate_block): Added position where to place
6502         new block as argument.
6503         * cfghooks.h (duplicate_block): Declaration changed.
6504         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6505         duplicate_block.
6506         * cfglayout.h (copy_bbs): Declaration changed.
6507         * cfgloop.h (loop_version): Declaration changed.
6508         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6509         position to copy_bbs.
6510         (loop_version): Pass position to duplicate_loop_to_header_edge.
6511         Add place_after argument and position new blocks according to
6512         it.
6513         * modulo-sched.c (sms_schedule): Pass place_after argument
6514         to loop_version.
6515         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6516         * tree-cfg.c (split_edge_bb_loc): New function.
6517         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6518         to determine position of new blocks.
6519         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6520         to loop_version.
6521         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6522         argument to duplicate_block.
6523         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6524         Pass position to copy_bbs.
6525
6526 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6527
6528         * fold-const.c (ptr_difference_const): Use
6529         cst_and_fits_in_hwi instead of host_integerp.
6530
6531 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6532
6533         * config/darwin.c (gen_pic_offset): New.
6534         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6535         Use it.
6536
6537 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6538
6539         PR tree-optimization/23486
6540         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6541
6542 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6543
6544         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6545         remove use_collect2.
6546         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6547
6548         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6549         configuration files to override the default value.
6550
6551         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6552         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6553         * config/vx-common.h:  New file, split out from...
6554         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6555         * config/vxworksae.h:  New file, for VxWorks AE.
6556         * config/vxworks.opt:  New file.
6557         * config/vxlib.c:  Update for VxWorks 6.
6558
6559         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6560         other MULTILIB_* variables appropriately.
6561         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6562         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6563         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6564         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6565
6566 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6567
6568         PR target/20799
6569         * config/darwin.c (machopic_select_section): Remove the hack to
6570         mark "::operator new" and "::operator delete" for coalescing
6571         even though they are not weak.
6572
6573 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6574
6575         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6576         * configure: Regenerate.
6577
6578 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6579
6580         PR middle-end/23517
6581         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6582         between vectors.
6583         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6584         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6585         Likewise.
6586
6587 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6588
6589         * config/rs6000/predicates.md (equality_operator): New.
6590         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6591         comparison with a large constant.
6592
6593 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6594
6595         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6596
6597 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6598
6599         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6600         registers is even, and we have a hardware double precision fp,
6601         align the buffer.
6602         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6603         size of current argument when checking if argument was passed in
6604         registers.
6605
6606         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6607
6608         PR middle-end/23467
6609         * stor-layout.c (finalize_type_size): Dont override
6610         existing alignment with a smaller alignment from the mode.
6611
6612 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6613
6614         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6615         * lambda.h (lambda_vector_lexico_pos): ... here.
6616         * tree-data-ref.c (build_classic_dist_vector): Return false when
6617         the distance vector is lexicographically negative.
6618
6619 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6620
6621         PR tree-optimization/23511
6622         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6623         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6624
6625 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6626
6627         PR tree-optimization/22043
6628         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6629         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6630         If ALLOW_FLEXARR, handle types ending with flexible array member.
6631         Pass false as second argument to recursive count_type_elements calls.
6632         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6633         argument to count_type_elements call.
6634         * tree-sra.c (decide_block_copy): Likewise.
6635         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6636         for a constant-sized object, set cleared as well.  Pass true as
6637         second argument to count_type_elements call.
6638
6639 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6640
6641         PR target/21571
6642         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6643         from legitimate_small_data_p, and make global.  Update use.
6644         Remove forward declaration.
6645         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6646         Declare.
6647         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6648
6649 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6650
6651         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6652         of scratch intermediates.
6653         (eq<mode>_compare): Same.
6654         (neg_eq0<mode>): New.
6655         (neg_eq<mode>): Convert to define_insn_and_split.
6656
6657 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6658
6659         PR target/23070
6660         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6661         stdarg functions, set/clear the fp marker even when no variable
6662         args are passed.
6663         * config/rs6000/sysv4.opt (mprototype): Describe.
6664
6665 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6666
6667         PR rtl-optimization/23478
6668         * regs.h (reg_info): Add throw_calls_crossed.
6669         (REG_N_THROWING_CALLS_CROSSED): Define.
6670         * flow.c (allocate_reg_life_data): Initialize
6671         REG_N_THROWING_CALLS_CROSSED.
6672         (propagate_one_insn, attempt_auto_inc): Update
6673         REG_N_THROWING_CALLS_CROSSED.
6674         * global.c (global_alloc): Don't allocate pseudos across
6675         calls that may throw.
6676
6677 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6678
6679         PR c/18715
6680         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6681         value is inbetween the range if we did not find an exact match.
6682
6683 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6684
6685         * doc/invoke.texi (Option Summary): Add ms1 options.
6686         * doc/extend.texi: Document interrupt handler attribute for ms1.
6687         * doc/md.texi: Document ms1 constraints.
6688         * config.gcc: Add ms1-*-elf.
6689         * config/ms1/ms1.h: New.
6690         * config/ms1/ms1.c: New.
6691         * config/ms1/ms1.md: New.
6692         * config/ms1/ms1-protos.h: New.
6693         * config/ms1/ABI.txt: New.
6694         * config/ms1/crti.asm: New.
6695         * config/ms1/crtn.asm: New.
6696         * config/ms1/lib2extra-funcs.c: New.
6697         * config/ms1/t-ms1: New.
6698         * config/ms1/ms1.opt: New.
6699
6700 2005-08-22 Ira Rosen <irar@il.ibm.com>
6701
6702         * config/rs6000/altivec.md (xorv4sf3): New.
6703         (negv4sf2, neg<mode>2): Likewise.
6704
6705 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6706
6707         PR target/23485
6708         * config/ia64/ia64.md (divsi3): Check divide by zero.
6709         (udivsi3): Likewise.
6710         (divdi3): Likewise.
6711         (udivdi3): Likewise.
6712
6713 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6714
6715         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6716         up to elem_bitsize bits, not max_bitsize.
6717
6718 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6719
6720         PR tree-optimization/23433
6721         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6722         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6723
6724 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6725
6726         PR tree-optimization/23434
6727         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6728         the iteration bound is not an INTEGER_CST.
6729
6730 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6731
6732         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6733         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6734         NULL if need_epilog_adjust is false.
6735         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6736         Case 3 always peels first itration, not just for PLUS case, and no need
6737         to use scalar_initial_def here. Create an epilog adjustment only if
6738         scalar_initial_def is not NULL.
6739
6740         (vectorizable_reduction): Remove assert.
6741
6742 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6743
6744         PR target/23485
6745         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6746         (__moddi3): Likewise.
6747         (__udivdi3): Likewise.
6748         (__umoddi3): Likewise.
6749         (__divsi3): Likewise.
6750         (__modsi3): Likewise.
6751         (__udivsi3): Likewise.
6752         (__umodsi3): Likewise.
6753
6754 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6755
6756         * tree-pass.h (TDF_GRAPH): Define.
6757         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6758         * passes.c (finish_optimization_passes): Only call
6759         finish_graph_dump_file if TDF_GRAPH is set.
6760         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6761         NULL.  Set TDF_GRAPH bit.
6762         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6763
6764 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6765
6766         * arm.h (arm_stack_offsets): Add locals_base field.
6767         * arm.c (arm_get_frame_offsets): Compute it.
6768         (thumb_compute_initial_elimination offset): Make the Thumb frame
6769         pointer point to the base of the local variables.
6770         (thumb_expand_prologue): Update accordingly.
6771         (thumb_expand_epilogue): Likewise.
6772
6773         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6774         mode of clobbered scratch to DImode.  Handle a case that's known to
6775         need this.
6776
6777 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6778
6779         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6780         (gt0<mode>_compare): Delete.
6781         (neg_gt0<mode>): Delete.
6782
6783 2005-08-19  Eric Christopher  <echristo@apple.com>
6784
6785         * optabs.h: Change CTI_ to COI_.
6786         * optabs.c: Ditto.
6787
6788 2005-08-19  James E Wilson  <wilson@specifix.com>
6789
6790         * builtins.c (expand_builtin_return_addr): Set
6791         current_function_accesses_prior_frames when count != 0.  Use
6792         frame_pointer_rtx when count == 0.
6793         * function.h (struct function): Add accesses_prior_frames field.
6794         (current_function_accesses_prior_frames): Define.
6795         * reload1.c (init_elim_table): Check
6796         current_function_accesses_prior_frames.
6797         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6798
6799 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6800
6801         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6802         indicator.  Return true if the flowgraph changed during
6803         cleanup.
6804
6805 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6806
6807         PR 23476
6808         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6809         conditional expression before testing its value.
6810
6811 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6812
6813         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6814
6815 2005-08-19  Devang Patel  <dpatel@apple.com>
6816
6817         PR tree-optimization/23048
6818         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6819         third parameter. Check whether latch is dominated by exit
6820         block or not.
6821         (if_convertible_loop_p): Supply exit block itself to
6822         if_convertible_bb_p.
6823
6824 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6825
6826         PR target/23473
6827         * arm.md (arm_load_pic_register): Change argument to the mask of
6828         saved registers.  Call thumb_find_work_register if we need a
6829         scratch register on Thumb.
6830         (arm_expand_prologue): Pass empty register set to
6831         arm_load_pic_register.
6832         (thumb_expand_prologue): Pass live_regs_mask directly to
6833         arm_load_pic_register.
6834         * arm-protos.h (arm_load_pic_register): Update prototype.
6835
6836 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6837
6838         * sh.c (find_sole_member): New function.
6839         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6840         if the record's alignment is larger than the size of its only member.
6841
6842 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6843
6844         PR target/23436
6845         * arm.c (thumb_legitimize_reload_address): New function.
6846         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6847         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6848
6849 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6850
6851         * config/crx/crx.c: Implement crx_decompose_address. Reject
6852         symbolic displacements since CRX register relative adressing
6853         mode can't handle unsigned 32-bit values as displacements.
6854         * config/crx/crx.h: Simplify definitions, remove redundant
6855         parenthesis and obsolete macros.
6856         * config/crx/crx.opt: Add new switch for debugging addresses.
6857         * config/crx/crx-protos.h: Add new declarations for above.
6858
6859 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6860
6861         PR middle-end/20624
6862         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6863         looking past it.
6864
6865 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6866
6867         * collect2.c (dup2): Delete.
6868         * configure.ac: Don't check for dup2.
6869
6870         * config.in, configure: Regenerate.
6871
6872 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6873
6874         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6875         record with the type of its only member.
6876
6877 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6878
6879         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6880         define_insn_and_split.
6881         (plus_ltu<mode>_compare): Same.
6882         (gtu<mode>_compare): Same.
6883         (plus_gtu<mode>_compare): Same.
6884
6885 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6886
6887         PR tree-optimization/22228
6888         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6889         todo_flags_start.
6890         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6891         are recorded in vect_vnames_to_rename for renaming.
6892         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6893         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6894         in vect_vnames_to_rename.
6895         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6896         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6897
6898 2005-08-18  Jan Hubicka  <jh@suse.cz>
6899
6900         PR c++/22034
6901         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6902         info only for local statics, not for member variables.
6903
6904 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6905
6906         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6907
6908 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6909
6910         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6911
6912 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6913
6914         PR middle-end/16045
6915         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6916
6917 2005-08-17  James E Wilson  <wilson@specifix.com>
6918
6919         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6920         array size check.
6921
6922 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6923
6924         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6925         (leu<mode>_compare): Same.
6926         (plus_leu<mode>): Same.
6927         (neg_leu<mode>): Same.
6928         (and_neg_leu<mode): Same.
6929         (ltu<mode>_compare): Same.
6930         (plus_ltu<mode>): Same.
6931         (geu<mode>): Same.
6932         (geu<mode>_compare): Same.
6933         (plus_geu<mode>): Same.
6934         (neg_geu<mode>): Same.
6935         (and_neg_geu<mode>): Same.
6936         (plus_gt<mode>): Same.
6937         (gtu<mode>_compare): Same.
6938         (plus_gtu<mode>): Same.
6939
6940 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6941
6942         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6943         Move call_table_data to end.  Delete spurious .text.
6944         (callt_save_all_interrupt): Fix comment typo.
6945
6946 2005-08-17  James E Wilson  <wilson@specifix.com>
6947             Kevin Winchester  <winchester@amirix.com>
6948
6949         PR target/21684
6950         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6951
6952 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6953
6954         PR target/23268
6955         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6956         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6957
6958 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6959
6960         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6961         record with the type of its only member if the modes don't match.
6962
6963         * varasm.c (decode_reg_name): Skip empty additional register names.
6964
6965 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6966
6967         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6968         lsm_tmp_name_length): New.
6969         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6970         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6971
6972 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6973             Andreas Krebbel  <krebbel1@de.ibm.com>
6974
6975         * config.gcc: Added z9-109 switch.
6976         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6977         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6978         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6979         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6980         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6981         for "z9_109" cpu attribute.
6982         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6983         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6984         (s390_handle_arch_option): Added z9-109 switch.
6985         (override_options): Set respective cost function for z9-109.
6986         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6987         (legitimate_reload_constant_p): Accept extended immediates.
6988         (print_operand): Three new output modifiers added: k, m and o.
6989         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6990         (s390_output_mi_thunk): Use extended immediate when possible.
6991         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6992         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6993         (CONSTRAINT_LEN): Added length of O constraint.
6994         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6995         * config/s390/s390.md ("cpu"): New value z9_109 added.
6996         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6997         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6998         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6999         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7000         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7001         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7002         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7003         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7004         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7005         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7006         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7007         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7008         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7009         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7010         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7011         immediates.
7012         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7013         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7014         insns for TARGET_EXTIMM.
7015
7016 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7017
7018         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7019
7020 2005-08-17  Nick Clifton  <nickc@redhat.com>
7021
7022         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7023         Call default_encode_section_info.
7024
7025 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7026
7027         PR tree-optimization/21574
7028         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7029         constant, return CONSTANT.
7030         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7031         (ccp_fold, visit_assignment): Likewise.
7032         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7033
7034 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7035
7036         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7037         fold_buildN instead of buildN then fold_initializer or fold.
7038         (build_unary_op): Likewise.
7039         (build_binary_op): Likewise.
7040         * fold-const.c (fold_initializer): Remove.
7041         (fold_build1_initializer): New function.
7042         (fold_build2_initializer): New function.
7043         (fold_build3_initializer): New function.
7044         * tree.h (fold_initializer): Remove.
7045         (fold_build1_initializer): New function.
7046         (fold_build2_initializer): New function.
7047         (fold_build3_initializer): New function.
7048
7049 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7050
7051         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7052         (try_move_mult_to_index): Call fold_build2 instead of build2.
7053         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7054         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7055         fold_binary_to_constant.
7056         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7057         fold (build.
7058         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7059         check if A == gcd (A, B).  Remove TYPE argument.
7060         (analyze_offset) Use fold_build2 instead of fold (build.
7061         (create_data_ref): Likewise.
7062         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7063         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7064         then fold.
7065
7066 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7067
7068         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7069         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7070
7071 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7072
7073         PR tree-opt/23402
7074         * gimplify.c (zero_sized_type): New function.
7075         (gimplify_modify_expr_rhs): If we have a zero sized type,
7076         replace the statement with an empty statement.
7077
7078 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7079
7080         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7081         fxsave.
7082
7083 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7084
7085         * doc/tm.texi (Label Output): Correct typo.
7086
7087 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7088
7089         PR target/23376
7090         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7091         force_operand will work later on using have_insn_for.
7092
7093 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7094
7095         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7096
7097 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7098
7099         PR c++/23337
7100         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7101         vector type, don't try to construct it element by element.  Add an
7102         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7103
7104 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7105
7106         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7107
7108 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7109
7110         * doc/invoke.texi (Precompiled Headers): Document some more options
7111         which are known to be safe.
7112
7113 2005-08-16  James E Wilson  <wilson@specifix.com>
7114
7115         PR tree-optimization/21105
7116         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7117         TREE_OVERFLOW check.
7118
7119 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7120
7121         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7122         (neg_ltu<mode>): Same.
7123         (gtu<mode>): Same.
7124         (neg_gtu<mode>): Same.
7125
7126 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7127
7128         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7129         (fold_builtin_isdigit): Use fold_buildN.
7130         (build_function_call_expr): Likewise.
7131         * c-typeck.c (c_finish_loop): Likewise.
7132
7133 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7134             Richard Shann <rshann@superh.com>
7135
7136         PR middle-end/20396:
7137         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7138
7139 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7140
7141         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7142
7143 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7144
7145         PR target/23355
7146         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7147         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7148         must be saved.
7149
7150 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7151
7152         PR middle-end/23369
7153         * fold-const.c (build_range_check): Disable optimization for function
7154         pointer expressions on targets that require function pointer
7155         canonicalization.
7156
7157 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7158
7159         * simplify-rtx.c (simplify_const_relational_operation): When
7160         extracting arguments of a COMPARE, recompute the mode as well.
7161
7162 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7163
7164         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7165
7166 2005-08-15  DJ Delorie  <dj@redhat.com>
7167
7168         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7169         the stack.
7170         (movsi_splittable): Allow, but split, moves to the stack.
7171         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7172         stack.
7173
7174 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7175
7176         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7177         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7178         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7179
7180         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7181         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7182         Delete HOST_PTR_PRINTF.
7183
7184         * configure, config.in: Regenerate.
7185
7186 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7187
7188         * config/rs6000/rs6000.md (QHSI): New mode macro.
7189         (wd): Extend mode attr for QImode and HImode
7190         (dbits): New mode attr.
7191         (zero_extend<mode>di2): Convert to mode macro.
7192
7193 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7194
7195         PR target/21841
7196         * doc/invoke.texi (-mgnu-ld): Update description.
7197         (-mhp-ld): Ditto.
7198
7199 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7200
7201         PR 23391
7202         * Makefile.in (tree-chrec.o): Depends on real.h.
7203         * tree-chrec.c: Include real.h.
7204         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7205         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7206         * tree-scalar-evolution.c (add_to_evolution_1,
7207         interpret_rhs_modify_expr): Ditto.
7208
7209 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7210
7211         PR 23386
7212         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7213         step is negative compute the estimation from init downwards to zero.
7214
7215 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7216
7217         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7218
7219 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7220
7221         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7222         constraint.
7223         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7224         Accept double-word constants that can be split.
7225         * config/s390/s390.md ("movti"): Use 'P' constraint.
7226         ("*movdi_31", "*movdf_31"): Likewise.
7227
7228 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7229
7230         Fix PR tree-optimization/22615
7231
7232         * tree-ssa-structalias.c (solution_set_add): Handle
7233         first_vi_for_offset returning NULL.
7234         (do_da_constraint): Ditto.
7235         (do_sd_constraint): Ditto.
7236         (do_ds_constraint): Ditto
7237         (find_func_aliases): Ditto.
7238         (build_constraint_graph): RHS is allowed be ANYTHING.
7239         (first_vi_for_offset): Return NULL if we couldn't find anything at
7240         the offset.
7241
7242 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7243
7244         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7245         over memory as first operand.
7246
7247 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7248
7249         PR target/23360
7250         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7251         available for setting it.
7252
7253 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7254
7255         PR tree-optimization/23320
7256         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7257         data-refs' types instead of base object nullness. Add check for
7258         pointer type data-refs before first location comparison. Remove
7259         assert.
7260
7261 2005-08-14  Andreas Schwab  <schwab@suse.de>
7262
7263         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7264
7265 2005-08-13  James E Wilson  <wilson@specifix.com>
7266
7267         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7268         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7269         -fstack-protector-all, --param ssp-buffer-size): Document.
7270         (-Wvariadic-macros): Alphabetize.
7271         (-fsched-stalled-insns-dep): Add missing 'f'.
7272
7273         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7274         macros.
7275
7276 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7277
7278         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7279         or indirect address operand.
7280         (EXTRA_ADDRESS_CONSTRAINT): New.
7281         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7282
7283 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7284
7285         PR tree-optimization/22236
7286         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7287         successors and predecessors.
7288         * tree-chrec.c (chrec_convert): Before converting, check that
7289         sequences don't wrap.
7290         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7291         (analyze_array): Extern.
7292         (find_data_references_in_loop): Remove call to
7293         compute_estimated_nb_iterations.
7294         * tree-data-ref.h (analyze_array): Declared.
7295         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7296         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7297         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7298         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7299         condition.
7300         * tree-ssa-loop-ivcanon.c: Fix documentation.
7301         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7302         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7303         (infer_loop_bounds_from_undefined): New.
7304         (estimate_numbers_of_iterations_loop): Use
7305         infer_loop_bounds_from_undefined.
7306         (used_in_pointer_arithmetic_p): New.
7307         (scev_probably_wraps_p): Pass an extra parameter.  Call
7308         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7309         (convert_step): Fix documentation.
7310         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7311         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7312         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7313         scev_probably_wraps_p.
7314
7315 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7316
7317         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7318         (s390_register_info): Ignore clobbered_regs information for fixed
7319         registers, and only fixed registers.
7320         (s390_init_frame_layout): Remove redundant call.
7321
7322 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7323
7324         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7325         description of -Wold-style-casts.
7326
7327 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7328             Jakub Jelinek  <jakub@redhat.com>
7329
7330         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7331         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7332         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7333         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7334         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7335         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7336         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7337         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7338         ("stack_protect_set", "stack_protect_test"): New expanders.
7339         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7340         "stack_protect_testdi"): New insn definitions.
7341
7342 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7343
7344         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7345
7346 2005-08-12  Paul Brook  <paul@codesourcery.com>
7347
7348         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7349
7350 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7351
7352         * config/s390/predicates.md (setmem_operand): New predicate.
7353         (shift_count_operand): Accept ANDs with special constants as
7354         operand.
7355         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7356         with special constants.
7357         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7358         shift_count_operand with setmem_operand.
7359
7360 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7361
7362         * config/s390/s390.c (s390_extract_part, s390_single_part):
7363         Type cast added.
7364         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7365         (s390_output_mi_thunk): Don't use lg on 31 bit.
7366         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7367         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7368
7369 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7370
7371         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7372         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7373         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7374         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7375         with one of the new macros.
7376
7377 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7378
7379         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7380         Don't set save_return_addr_p.
7381         (s390_register_info): Make clobbered_regs not depending on
7382         save_return_addr_p.
7383
7384 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7385
7386         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7387         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7388
7389 2005-08-11  James E. Wilson  <wilson@specifix.com>
7390
7391         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7392
7393 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7394
7395         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7396         locations gathered by var-tracking in single entry loc_list
7397         over loc_descriptor_from_tree.
7398
7399         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7400         pass it down to loc_descriptor.
7401         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7402         (containing_function_has_frame_base): Move earlier in the file.
7403         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7404         instead of always assuming fbreg can't be used.
7405
7406 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7407
7408         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7409         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7410         Accept address wrapped in AND for Altivec.
7411         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7412         Strip AND wrapping offset address for Altivec.
7413
7414 2005-08-11  Richard Henderson  <rth@redhat.com>
7415
7416         PR middle-end/23312
7417         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7418         before using TYPE_IS_SIZETYPE.
7419
7420 2005-08-11  Richard Henderson  <rth@redhat.com>
7421
7422         PR target/22225
7423         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7424         insn types not present on ev4.
7425         (alphaev5_insn_pipe): Similarly.
7426
7427 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7428
7429         PR target/23250
7430         * arm.c (arm_override_options): If the user has selected callee-super-
7431         interworking, then enable normal interworking.
7432
7433 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7434
7435         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7436         redefinition.
7437
7438 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7439
7440         * doc/rtl.texi: Fix two typos.
7441
7442 2005-08-11  Richard Guenther  <rguenther@suse.de>
7443
7444         PR target/23289
7445         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7446         cases where we call to/from functions returning void.
7447
7448 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7449
7450         PR c++/23225
7451         * tree.c (build_pointer_type_for_mode): Robustify.
7452
7453 2005-08-10  James E Wilson  <wilson@specifix.com>
7454
7455         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7456         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7457
7458         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7459         "cum->".
7460
7461 2005-08-10  Eric Christopher  <echristo@apple.com>
7462
7463         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7464         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7465         V2DFmode.
7466
7467 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7468
7469         PR target/21887
7470         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7471         for the high part when generating dynamic-no-pic code.
7472
7473 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7474
7475         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7476         (x86_64-*-linux*): Likewise.
7477
7478         * config/i386/crtfastmath.c: New file.
7479         * config/i386/t-crtfm: Likewise.
7480
7481         * config/i386/linux.h (ENDFILE_SPEC): New.
7482         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7483
7484         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7485         crtfastmath.o.
7486
7487 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7488
7489         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7490         (vec_shl, vec_shr): Document new operations.
7491         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7492
7493 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7494
7495         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7496         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7497         change predicate to indexed_or_indirect_address.
7498
7499 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7500
7501         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7502         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7503         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7504         and __aeabi_uwrite8.
7505         * config/arm/unaligned-funcs.c: New file.
7506         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7507
7508 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7509
7510         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7511         Add dump.
7512         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7513         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7514         Add dump.
7515         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7516         * final.c (pass_shorten_branches): Add dump.
7517         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7518         (pass_life): Rename dump.
7519         (rest_of_handle_flow2): Remove initial verify_flow_info.
7520         * function.c (pass_instantiate_virtual_regs): Add dump.
7521         * integrate.c (pass_initial_value_sets): Add dump.
7522         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7523         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7524         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7525         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7526         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7527         gate_rtl_unrool_and_peel_loops): New.
7528         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7529         rtl_doloop): Do not look at flags.
7530         * mode-switching.c (pass_mode_switching): Add dump.
7531         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7532         pass_split_before_regstack): Add dump.
7533         * regmove.c (pass_stack_adjustments): Add dump.
7534         * tree-optimize.c (pass_fixup_cfg): Add dump.
7535
7536 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7537
7538         PR 23309
7539         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7540         deciding which instruction sequence to use.
7541
7542 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7543
7544         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7545         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7546
7547 2005-08-09  Richard Guenther  <rguenther@suse.de>
7548
7549         * c-common.c (builtin_function_2): Remove.
7550         (def_builtin_1): New function.
7551         (c_common_nodes_and_builtins): Use def_builtin_1 to
7552         build builtin functions.
7553
7554 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7555
7556         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7557         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7558         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7559         Visual DSP.
7560
7561 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7562
7563         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7564         fold_binary instead of fold_build2 since we don't care about the
7565         resulting tree.
7566         (loop_niter_by_eval): Likewise.
7567         (compare_trees): Likewise.
7568         (proved_non_wrapping_p): Likewise.
7569
7570 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7571
7572         PR c/23161
7573         PR c/23165
7574         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7575         if the if is really empty.
7576
7577 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7578
7579         PR tree-optimization/23234
7580         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7581         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7582         argument of the new enum.
7583         (execute_cse_reciprocals): Add reciprocals for function arguments
7584         on the unique successor edge of the entry block.  Update other calls
7585         to execute_cse_reciprocals_1.
7586
7587 2005-08-08  Richard Henderson  <rth@redhat.com>
7588
7589         PR 22439
7590         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7591
7592 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7593
7594         * expr.c (write_complex_part): Return after handling MEM.
7595
7596 2005-08-08  Josh Conner  <jconner@apple.com>
7597
7598         PR rtl-optimization/23241
7599         * combine.c (simplify_comparison): Fix error in determining
7600         whether to lift a subreg from comparison.
7601
7602 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7603
7604         PR target/18506
7605         * config/rs6000/altivec.md (vec_init<mode>): New.
7606         (vec_set<mode>): New.
7607         (vec_extract<mode>): New.
7608         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7609         (rs6000_expand_vector_set): New.
7610         (rs6000_expand_vector_extract): New.
7611         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7612         for Altivec modes before reload.
7613         (altivec_expand_vec_init_builtin): New.
7614         (get_element_number): New.
7615         (altivec_expand_vec_set_builtin): New.
7616         (altivec_expand_vec_ext_builtin): New.
7617         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7618         builtins.
7619         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7620         builtins.
7621         * config/rs6000/rs6000.h (rs6000_builtins): Add
7622         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7623         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7624         * config/rs6000/rs6000-protos.h: Declare new functions.
7625
7626 2005-08-08  Jan Hubicka  <jh@suse.cz>
7627
7628         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7629         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7630         * i386.md (movdi*): Use pic_32bit_operand.
7631         * predicates.md (pic_32bit_operand): New.
7632
7633 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7634
7635         PR c++/21166
7636         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7637
7638 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7639
7640         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7641         (test_for_singularity): Use fold_build2.
7642
7643 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7644
7645         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7646
7647 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7648
7649         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7650         (COMMON_ASM_OP) Define.
7651         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7652         (ix86_encode_section_info): Likewise.
7653         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7654         SUBTARGET_ENCODE_SECTION_INFO.
7655
7656 2005-08-06  Richard Henderson  <rth@redhat.com>
7657
7658         PR 21894
7659         * tree-nested.c (convert_local_reference): Save and restore val_only
7660         around component_ref and friends.  Clear walk_subtrees by default.
7661
7662 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7663
7664         PR 21366
7665         * gcc.c (process_command): Check the argument to -b has a dash.
7666         * doc/invoke.texi: Update -b and -V docs.
7667
7668 2005-08-06  James E Wilson  <wilson@specifix.com>
7669
7670         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7671
7672 2005-08-06  Michael Matz  <matz@suse.de>
7673
7674         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7675         member only if only one insn is associated with the value.
7676
7677 2005-08-06  Nick Clifton  <nickc@redhat.com>
7678
7679         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7680         New define.
7681         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7682         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7683         Check symbol flags instead of symbol name mangling.
7684         (xstormy16_asm_output_aligned_common): Likewise.  Also
7685         simplify code since the bss100_section cass is the only case
7686         where the below100 code will be triggered.
7687         (xstormy16_encode_section_info): Encode below100 attribute
7688         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7689         the name.
7690         (xstormy16_strip_name_encoding): Delete - this function is no
7691         longer needed.
7692         (TARGET_STRIP_NAME_ENCODING): Undefine.
7693         * config/stormy16/stormy16-protos.h: Delete prototype for
7694         xstormy16_strip_name_encoding.
7695
7696 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7697
7698         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7699         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7700         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7701         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7702         config/alpha/predicates.md, config/arc/arc.h,
7703         config/arm/arm.h, config/arm/ieee754-df.S,
7704         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7705         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7706         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7707         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7708         config/m68hc11/m68hc11.h, config/mips/mips.c,
7709         config/mips/mips.h, config/mips/openbsd.h,
7710         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7711         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7712         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7713         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7714         config/sparc/linux.h, config/sparc/linux64.h,
7715         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7716         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7717         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7718         typos.  Follow spelling conventions.
7719
7720 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7721
7722         PR c/23113
7723         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7724         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7725         specially.  Check for side effects only for COND_EXPR.
7726         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7727         return with TREE_NO_WARNING.
7728
7729 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7730
7731         PR rtl-optimization/23233
7732         * loop.c (combine_movables): Require the modes to be the same.
7733         (move_movables): Remove handling of cases where the replacement
7734         had a different mode to the original.
7735
7736 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7737
7738         PR tree-optimization/23128
7739         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7740         subtraction wrap, and set TREE_OVERFLOW if they do.
7741
7742 2005-08-05  Richard Henderson  <rth@redhat.com>
7743
7744         PR 21728
7745         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7746         FORCED_LABEL labels.
7747
7748 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7749
7750         PR middle-end/23135
7751         * reload.c (find_reloads_subreg_address): Pass down TYPE
7752         unchanged.  Change all callers except find_reloads_toplev.
7753
7754 2005-08-05  Michael Matz  <matz@suse.de>
7755
7756         * genattrtab.c (current_alternative_string): Remove.
7757         (SIMPLIFY_ALTERNATIVE): Ditto.
7758         (attr_alt_bit_p): Ditto.
7759         (alternative_name): Make const char *.
7760         (evaluate_eq_attr): Remove use of above things.
7761         (simplify_test_exp): Ditto.
7762         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7763         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7764
7765 2005-08-04  James E Wilson  <wilson@specifix.com>
7766
7767         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7768         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7769         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7770         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7771         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7772
7773 2005-08-04  Richard Henderson  <rth@redhat.com>
7774
7775         PR 21529
7776         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7777         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7778         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7779         if we'd have to instantiate too many members.
7780
7781 2005-08-04  Richard Henderson  <rth@redhat.com>
7782
7783         PR 21291
7784         * tree-outof-ssa.c (coalesce_asm_operands): New.
7785         (coalesce_ssa_name): Use it.  Split out ...
7786         (coalesce_phi_operands, coalesce_result_decls): ... these.
7787
7788 2005-08-04  Paul Brook  <paul@codesourcery.com>
7789
7790         * read-rtl.c (read_quoted_string): Break if EOF.
7791
7792 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7793
7794         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7795         (fold_build2): Likewise.
7796         (fold_build3): Likewise.
7797         (fold_build1_stat): New function prototype.
7798         (fold_build2_stat): Likewise.
7799         (fold_build3_stat): Likewise.
7800         * fold-const.c (fold_build1): Rename to ..
7801         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7802         through to build1_stat.
7803         (fold_build2): Rename to ..
7804         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7805         through to build2_stat.
7806         (fold_build3): Rename to ..
7807         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7808         through to build3_stat.
7809
7810 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7811             Ian Lance Taylor  <ian@airs.com>
7812
7813         * function.c (assign_stack_local_1): Do not correct stack slot
7814         address if allocation size is smaller than mode size.
7815
7816 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7817
7818         PR 22037
7819         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7820         (tree_merge_blocks): Propagate anything allowed by
7821         may_propagate_copy.
7822         Clarify documentation.
7823         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7824         SSA form, schedule an update if necessary.
7825
7826 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7827
7828         * doc/install.texi (Binaries): Remove broken link to
7829         Sinix/Reliant Unix binaries.
7830
7831 2005-08-03  Richard Henderson  <rth@redhat.com>
7832
7833         PR 23221
7834         * function.c (stack_protect_epilogue): Export.
7835         * tree.h (stack_protect_epilogue): Declare.
7836         * calls.c (expand_call): Call it.
7837
7838 2005-08-03  Eric Christopher  <echristo@apple.com>
7839
7840         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7841         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7842         spec.
7843
7844 2005-08-04  Jan Hubicka  <jh@suse.cz>
7845
7846         * profile.c (branch_prob): Split edges with goto locus on them
7847         to get proper line counts.
7848         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7849
7850 2005-08-03  Paul Brook  <paul@codesourcery.com>
7851
7852         * function.c (assign_parms): Round current_function_args_size
7853         to PARM_BOUNDARY, not STACK_BOUNDARY.
7854
7855 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7856
7857         * config/i386/i386.c (x86_elf_aligned_common)
7858         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7859
7860 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7861
7862         PR tree-optimization/23157
7863         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7864         before emitting them.
7865
7866 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7867
7868         PR tree-optimization/19899
7869         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7870         * tree-scalar-evolution.c: Include real.h.
7871         (add_to_evolution): Build constant -1 of correct type.
7872
7873 2005-08-03  Jan Hubicka  <jh@suse.cz>
7874
7875         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7876         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7877         profile updating for complette unrolling.
7878         * loop-unroll.c (peel_loop_completely): Use it.
7879         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7880         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7881         loops.
7882
7883 2005-08-03  Paul Brook  <paul@codesourcery.com>
7884
7885         * combine.c (can_change_dest_mode): New function.
7886         (try_combine, simplify_set): Use it.
7887
7888 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7889
7890         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7891         TFmode to BLKmode.
7892
7893 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7894
7895         * doc/install.texi (Specific): Adjust link to openavr.org.
7896         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7897         (Binaries): Adjust HP-UX Porting Center link.
7898         (Binaries): Adjust Free Software Foundation ordering link.
7899
7900 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7901
7902         * convert.c (convert_to_integer): Use fold_build1 instead of
7903         build1 when converting an integer to an integer.
7904
7905 2005-08-02  Richard Henderson  <rth@redhat.com>
7906
7907         * combine.c (combine_instructions): Don't use reg_equal/equiv
7908         results if the mode doesn't match.
7909
7910 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7911
7912         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7913         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7914
7915 2005-08-02  Richard Henderson  <rth@redhat.com>
7916
7917         PR 23196
7918         * explow.c (memory_address): Remove special-case for
7919         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7920
7921 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7922
7923         PR 23164
7924         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7925         number of calls to cleanup_tree_cfg_1.
7926
7927 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7928
7929         * doc/invoke.texi: document file extensions .F90 and .F95
7930
7931 2005-08-02  Richard Guenther  <rguenther@suse.de>
7932
7933         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7934         positive if its first argument is positive.
7935
7936 2005-08-02  Richard Guenther  <rguenther@suse.de>
7937
7938         PR tree-optimization/23177
7939         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7940         on TMR_TAG.
7941
7942 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7943
7944         PR tree-optimization/23129
7945         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7946         varying for divisions with anti-ranges.
7947
7948 2005-08-02  Jan Hubicka  <jh@suse.cz>
7949
7950         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7951         * tree-ssa-threadupdate.c (thread_block): Add it here.
7952
7953 2005-08-01  James E Wilson  <wilson@specifix.com>
7954
7955         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7956         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7957         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7958         New.
7959         * config/mips/predicates.md (const_call_insn_operand): Add check for
7960         SYMBOL_REF_LONG_CALL_P.
7961         * doc/extend.texi (long_call): Document the new attribute.
7962
7963 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7964             Richard Henderson  <rth@redhat.com>
7965
7966         * Makefile.in (RTL_BASE_H): Add real.h.
7967         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7968         instead of memcpy.
7969         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7970         directly.
7971         * rtl.c (rtl_check_failed_code_mode): New.
7972         * rtl.h (struct rtx_def): Add u.rv.
7973         (XCMWINT, XCNMPRV): New.
7974         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7975         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7976
7977 2005-08-01  Richard Henderson  <rth@redhat.com>
7978
7979         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7980         with auto-inc codes.
7981
7982         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7983
7984 2005-08-01  Jan Hubicka  <jh@suse.cz>
7985
7986         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7987         * i386.c: Include dwarf2.h
7988         (asm_preferred_eh_data_format): New.
7989         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7990
7991 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7992
7993         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7994         randomize_va_space for virtual address randomization control.
7995
7996 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7997
7998         * common.opt (flag_ipa_cp): Put in right place to maintain
7999         alphabetic sort.
8000
8001 2005-08-01  Jan Hubicka  <jh@suse.cz>
8002
8003         * profile.c (compute_value_histograms): Fix thinko.
8004         * value-prof.c: Include toplev.h
8005         (check_counter): New function.
8006         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8007         tree_mod_subtract_transform): Add sanity check.
8008
8009 2005-08-01  Richard Guenther  <rguenther@suse.de>
8010
8011         PR tree-optimization/23133
8012         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8013         current functions parameter decls to find defs to cse
8014         reciprocals of.
8015
8016 2005-08-01  Richard Guenther  <rguenther@suse.de>
8017
8018         PR tree-optimization/23109
8019         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8020         If trapping math is in effect, use post-dominator information
8021         to check if we'd in any case reach a trapping point before
8022         doing the reciprocal insertion.
8023         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8024         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8025         expressions are invariant only if trapping math is not in effect.
8026
8027 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8028
8029         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8030         cgraph_function_versioning): New declarations.
8031         * cgraphunit.c: Add include to ipa-prop.h.
8032         (update_call_expr, cgraph_copy_node_for_versioning,
8033         cgraph_function_versioning): New functions.
8034         * integrate.c (copy_decl_for_inlining): Remove.
8035         * ipa-prop.h (ipa_replace_map): New struct.
8036         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8037         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8038         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8039         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8040         ipcp_iterate_stage, ipcp_method_scale_print,
8041         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8042         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8043         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8044         ipcp_update_bb_counts, ipcp_update_profiling,
8045         ipcp_update_edges_counts): New functions.
8046         (ipcp_method_cval_init): Remove restriction regarding local methods.
8047         (ipcp_init_stage): Add ipcp_method_compute_scale.
8048         (ipcp_insert_stage): Add versioning.
8049         (ipcp_structures_print): Add ipcp_method_scale_print.
8050         (ipcp_driver): Dump profiling info.
8051         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8052         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8053         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8054         (struct inline_data): Add versioning_p, ipa_info, new fields.
8055         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8056         declare_return_variable): Replace calls to copy_decl_for_inlining with
8057         copy_decl_for_dup.
8058         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8059         versioning support.
8060         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8061         Add argument VERSIONING.
8062         (copy_arguments_for_versioning, copy_static_chain,
8063         function_versionable_p, tree_versionable_function_p,
8064         tree_function_versioning, replace_ref_tree): New functions.
8065         * tree-inline.h: Include varray.h.
8066         (tree_versionable_function_p,  tree_function_versioning,
8067         tree copy_decl_for_dup): New declarations.
8068
8069 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8070
8071         * ipa-cp.c: New file. Contains IPCP specific functionality.
8072         * ipa-prop.h: New file. Contains structures/definitions that can be
8073         used by several interprocedural data flow optimizations (and also IPCP).
8074         * ipa-prop.c: New file.
8075         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8076         * common.opt: Add ipa-cp flag.
8077         * timevar.def: Add IPCP optimization.
8078         * tree-optimize.c (init_tree_optimization_passes): Schedule
8079         pass_ipa_cp.
8080         * tree-pass.h (pass_ipa_cp): Declare.
8081
8082 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8083
8084         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8085         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8086         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8087         config/i386/i386.c, config/mips/mips.h,
8088         config/rs6000/rs6000.h, config/sh/sh.c,
8089         config/stormy16/stormy16.c: Fix comment typos.
8090
8091 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8092
8093         PR c/22311
8094         * c-typeck.c (build_binary_op): Use common_type wrapper on
8095         shortened types.
8096         (common_type): Update comment.
8097
8098 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8099
8100         PR target/23095
8101         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8102         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8103         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8104
8105 2005-07-31  Jan Hubicka  <jh@suse.cz>
8106
8107         * pretty-print.h (pp_widest_integer): New macro.
8108         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8109         counts.
8110
8111 2005-07-31  Jan Hubicka  <jh@suse.cz>
8112
8113         * output.h (enum section_category): Export from varasm.c
8114         (categorize_decl_for_section): Likewise.
8115         * varasm.c (enum section_category): Kill.
8116         (categorize_decl_for_section): Make global.
8117         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8118         Declare.
8119         * i386.c (ix86_section_threshold): New static variable.
8120         (ix86_in_large_data_p, ix86_encode_section_info,
8121         x86_64_elf_unique_section,
8122         x86_64_elf_select_section): New functions.
8123         (TARGET_ENCODE_SECTION_INFO): Define
8124         (override_options): Enable medium model for PIC.
8125         (ix86_expand_prologue): Expand gen_set_got_rex64.
8126         (legitimate_constant_p): Handle new UNSPECs.
8127         (legitimate_pic_address_disp_p): Likewise.
8128         (legitimize_pic_address): Lower MEDIUM model addressing.
8129         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8130         (enum cmodel): Add MEDIUM_PIC.
8131         (SYMBOL_REF_FAR_ADDR_P): New macro.
8132         (SYMBOL_FLAG_FAR_ADDR): New flag.
8133         * i386.md (movdi): Support medium model.
8134         (set_got_rex64): New pattern.
8135         * i386.opt (mlarge-data-threshold): New flag.
8136         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8137         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8138         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8139         TARGET_ASM_UNIQUE_SECTION): New.
8140
8141         * invoke.texi (-mlarge_data_threshold): Document
8142
8143 2005-07-31  Jan Hubicka  <jh@suse.cz>
8144
8145         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8146         (coalesce_vars): Likewise.
8147         * tree-ssa-live.c (coalesce_cost): New.
8148         (build_tree_conflict_graph): Use coalesce_cost.
8149         * tree-ssa-live.h (coalesce_cost): Declare.
8150
8151 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8152
8153         * arm.md (all peepholes for post-increment operations): Delete.
8154         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8155         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8156         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8157         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8158         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8159
8160 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8161
8162         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8163         non-integral types.
8164
8165 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8166
8167         PR target/22582
8168         * doc/invoke.texi: Document -rdynamic.
8169
8170 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8171
8172         PR c/23143
8173         * c-parser.c (c_parser_parms_list_declarator): Call
8174         mark_forward_parm_decls.
8175         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8176         decls with visibility structure.
8177
8178 2005-07-30  Paul Brook  <paul@codesourcery.com>
8179
8180         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8181
8182 2005-07-30  Paul Brook  <paul@codesourcery.com>
8183
8184         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8185         prototype.
8186         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8187         value for mode.
8188         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8189
8190 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8191
8192         PR c/529
8193         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8194         nested function declarators.
8195         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8196         (grokparms): Call warn_if_shadowing for parameters used within the
8197         parameter list.
8198         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8199         not used within the parameter list.
8200         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8201
8202 2005-07-30  Jan Hubicka  <jh@suse.cz>
8203
8204         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8205         * i386.c (ix86_fixup_binary_operands): Likewise.
8206         (ix86_expand_unary_operator): Likewise.
8207         (ix86_expand_fp_absneg_operator): Likewise.
8208         * optabs.c (expand_vec_cond_expr): Validate dest.
8209
8210 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8211
8212         PR c/21720
8213         * real.c (real_from_string): Also set last bit if there is a
8214         nonzero hex digit beyond GCC's internal precision after ".".
8215
8216 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8217
8218         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8219         define_constants.  Change duplicate values to unassigned numbers.
8220         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8221         (*altivec_vspltsf): New.
8222         (altivec_vperm_v4sf): Delete.
8223         (altivec_vperm_<mode>): Use mode macro V.
8224         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8225         (altivec_predicate_v4sf): Delete.
8226         (altivec_predicate_<mode>): Use mode macro V.
8227         (*altivec_lvesfx): New.
8228         (*altivec_stvesfx): New.
8229         (vec_realign_load_v4sf): Delete.
8230         (vec_realign_load_<mode>): Use mode macro V.
8231         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8232         UNSPECV_SET_VRSAVE.
8233
8234 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8235
8236         PR bootstrap/23131
8237         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8238         string.
8239         * configure: Regenerated.
8240
8241 2005-07-29  Paul Brook  <paul@codesourcery.com>
8242
8243         * doc/install.texi: Add link to GFortran binaries wiki page.
8244
8245 2005-07-29  David Ung  <davidu@mips.com>
8246
8247         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8248         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8249         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8250         * config/mips/mips.md (cpu): Add 5kf name.
8251         (includes): Includes 5k.md.
8252         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8253         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8254         -march flag.
8255
8256 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8257
8258         PR 22550
8259         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8260         (cleanup_tree_cfg): ... here.
8261         Call cleanup_tree_cfg_1 until there are no more cleanups to
8262         do.
8263
8264 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8265
8266         * tree-vrp.c (compare_range_with_value): Return true or false
8267         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8268         EQ_EXPR respectively.
8269
8270 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8271
8272         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8273         Fix comment typos.
8274
8275 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8276
8277         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8278         (tree_ssa_dominator_optimize): Increment it.
8279         (dump_dominator_optimization_stats): Print it.
8280
8281 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8282             Steven Bosscher  <stevenb@suse.de>
8283
8284         PR rtl-optimization/23117
8285         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8286         when head == tail.  Tidy comment.
8287
8288 2005-07-28  Richard Henderson  <rth@redhat.com>
8289
8290         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8291         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8292         * jump.c (rtx_renumbered_equal_p): Likewise.
8293         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8294         CONST_INT and CONST_DOUBLE.
8295         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8296         * reload.c (operands_match_p): Special case CONST_INT and
8297         CONST_DOUBLE; check mode earlier.
8298
8299 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8300
8301         PR c/22240
8302         * c-typeck.c (convert_for_assignment): Do not check
8303         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8304
8305 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8306
8307         PR c/22192
8308         * c-typeck.c (composite_type): Prefer constant size arrays to
8309         VLAs.
8310
8311 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8312
8313         PR c/21720
8314         * real.c (real_from_string): Set last bit if there is a nonzero
8315         hex digit beyond GCC's internal precision.
8316
8317 2005-07-28  Richard Henderson  <rth@redhat.com>
8318
8319         PR rtl-opt/22619
8320         * cfgcleanup.c (try_forward_edges): Watch out for end of
8321         insn chain.
8322
8323 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8324
8325         PR c/23106
8326         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8327
8328 2005-07-28  Jan Hubicka  <jh@suse.cz>
8329
8330         * Makefile.in (rtl-profile.o): Kill all traces of it.
8331         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8332         * coverage.h (rtl_coverage_counter_ref): Kill.
8333         * opts.c (flag_speculative_prefetching_set): Kill.
8334         (flag_loop_optimize_set): New.
8335         (common_handle_option): Disable loop optimizer when profiling;
8336         do not handle speculative prefetching.
8337         * passes.c (init_optimization_passes): Replace pass_profiling combo
8338         by branch_prob pass.
8339         * profile.c (compute_value_histograms): Update for simplified value
8340         profiles.
8341         (rtl_register_profile_hooks): Kill.
8342         (pass_profiling): Kill.
8343         (rest_of_handle_branch_prob): Do not profile.
8344         * toplev.c (process_options): Remove speculative prefetching.
8345         * toplev.h (flag_tree_based_profiling): Kill.
8346         * tree-profile.c (prepare_instrumented_value,
8347         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8348         tree_gen_one_value_profiler, do_tree_profiling): Update for
8349         simplified datastructures.
8350         * value-prof.c: Add comment that speculative prefetching was dropped;
8351         update rest of file for simplified datastructures.
8352         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8353         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8354         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8355         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8356         rtl_mod_subtract, gen_speculative_prefetch,
8357         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8358         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8359         (gate_handle_value_profile_transformations,
8360         rest_of_handle_value_profile_transformations,
8361         pass_value_profile_transformations): Kill.
8362         * value-prof.h (histogram_value_t): Remove IL based unions.
8363         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8364         rtl_profile_hooks): Remove hooks.
8365
8366         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8367
8368         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8369         (cgraph_clone_node): Likewise.
8370         * cgraph.h (cgraph_clone_edge): Update prototype.
8371         (cgraph_clone_node): Likewise.
8372         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8373         cgraph_clone_node.
8374         (lookup_recursive_calls): Consider profile.
8375         (cgraph_decide_recursive_inlining): Fix updating; use new
8376         probability argument; use profile.
8377         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8378         * tree-inline.c (copy_bb): Update clal of clone_edge.
8379         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8380
8381         * invoke.texi (min-inline-recursive-probability): Document.
8382
8383 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8384
8385         * doc/install.texi (Configuration): Update Valgrind homepage.
8386
8387 2005-07-28  Richard Henderson  <rth@redhat.com>
8388
8389         PR middle-end/21362
8390         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8391         labels we want to delete.
8392         (cfg_layout_merge_blocks): Likewise.
8393
8394 2005-07-28  Richard Henderson  <rth@redhat.com>
8395
8396         PR target/17692
8397         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8398         when expanding to nothing.
8399
8400 2005-07-28  Josh Conner  <jconner@apple.com>
8401
8402         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8403         (cgraph_decide_inlining_of_small_functions): Likewise.
8404
8405 2005-07-28  Josh Conner  <jconner@apple.com>
8406
8407         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8408         direction of badness if negative.
8409         (cgraph_default_inline_p): Add reason to parameters, and assign it
8410         a value.
8411         (cgraph_decide_inlining_of_small_functions): New parameter in call
8412         to cgraph_default_inline_p.
8413         (cgraph_decide_inlining_incrementally): Likewise.
8414         * cgraphunit.c (decide_is_function_needed): Likewise.
8415         * cgraph.h (cgraph_default_inline_p): Likewise.
8416
8417 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8418
8419         * builtins.c: Fix comment typo(s).
8420         * genautomata.c: Likewise.
8421         * gimplify.c: Likewise.
8422         * tree-dfa.c: Likewise.
8423         * tree-flow-inline.h: Likewise.
8424         * tree-into-ssa.c: Likewise.
8425         * tree-ssa-alias.c: Likewise.
8426         * tree-ssa-ccp.c: Likewise.
8427         * tree-ssa-copy.c: Likewise.
8428         * tree-ssa-dce.c: Likewise.
8429         * tree-ssa-dom.c: Likewise.
8430         * tree-ssa-operands.c: Likewise.
8431         * tree-tailcall.c: Likewise.
8432         * tree-vectorizer.c: Likewise.
8433         * tree-vrp.c: Likewise.
8434         * tree.c: Likewise.
8435
8436 2005-07-28  Jeff Law  <law@redhat.com>
8437
8438         * tree-vrp.c (test_for_singularity): Extracted from  ...
8439         (simplify_cond_using_ranges): Attempt to simplify a relational
8440         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8441
8442 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8443
8444         PR tree-optimization/22506
8445         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8446         phis whose argument is constant.
8447
8448 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8449
8450         PR rtl-optimization/18992
8451         Back out this patch:
8452           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8453           PR optimization/12142
8454           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8455           uses of the register in the SET_SRC.  Remove unnecessary argument.
8456
8457         Replace it with this:
8458         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8459         if flag_non_call_exceptions is set and the insn may trap, pass
8460         pc_rtx as dest for recursion.
8461         In SET_SRC part of SET case, if dest is already set, pass it down
8462         unchanged.
8463
8464 2005-07-28  Jan Hubicka  <jh@suse.cz>
8465
8466         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8467         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8468         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8469         roundoff errors.
8470         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8471         profile when available.
8472
8473 2005-07-28  Jan Beulich <jbeulich@novell.com>
8474
8475         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8476         (ia64_print_operand): Describe and handle 'X'.
8477         (ia64_register_move_cost): Also handle FP_REGS.
8478         (ia64_preferred_reload_class): Likewise.
8479         (ia64_secondary_reload_class): Likewise.
8480         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8481         it. Also check for ITANIUM_CLASS_FLDP.
8482         * config/ia64/ia64.h (FP_REGNO_P): New.
8483         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8484         (reg_class): Add FP_REGS.
8485         (REG_CLASS_NAMES): Adjust for it.
8486         (REG_CLASS_CONTENTS): Likewise.
8487         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8488         (REG_CLASS_FROM_LETTER): Handle 'x'.
8489         (CLASS_MAX_NREGS): Handle FP_REGS.
8490         (MEMORY_MOVE_COST): Likewise.
8491         * config/ia64/ia64.md (itanium_class): Add fldp.
8492         (type): Handle fldp.
8493         (movti_internal): More allowable operand combinations. Use ldfp8 when
8494         splitting unnecessary. Remove predicable attribute. Adjust
8495         itanium_class attribute.
8496         (smuldi3_highpart): Remove outdated comment.
8497         (mulditi3, umulditi3, rotlti3): New expanders.
8498         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8499         (absti2): Disabled new insn for future reference.
8500         Respective new splitters.
8501         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8502         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8503         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8504
8505 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8506
8507         PR rtl-optimization/23047
8508         * simplify-rtx.c (simplify_const_relational_operation): Respect
8509         flag_wrapv for comparisons with ABS.
8510
8511 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8512
8513         PR tree-optimization/22493
8514         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8515         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8516
8517 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8518
8519         * config/frv/frv.opt (moptimize-membar): New.
8520
8521         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8522
8523         * config/frv/frv.h: Remove machine_function definition.
8524
8525         * config/frv/frv.c (struct frv_io): New.
8526         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8527         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8528         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8529         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8530         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8531         (frv_reorg): Call frv_optimize_membar when appropriate.
8532         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8533         (frv_expand_builtin): Adjust calls accordingly.
8534         (frv_io_address_cookie): New function.
8535         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8536         load or store rather than a special insn.  Add ccnstant address and
8537         io-type operands to the membar.
8538         (frv_ifcvt_modify_tests): Unsign regno.
8539         (frv_ifcvt_modify_tests): Same.
8540
8541         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8542         UNSPEC_OPTIONAL_MEMBAR constant.
8543         (builtin_read_<mode>): Delete.
8544         (builtin_write_<mode>): Delete.
8545         ("optional_membar_<mode>"): Add operand.
8546
8547         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8548         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8549         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8550         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8551         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8552         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8553         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8554         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8555         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8556
8557 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8558
8559         * df.c (df_uses_record): Handle SCRATCH.
8560
8561 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8562
8563         PR debug/20161
8564         * passes.c (rest_of_decl_compilation): If decl is a type and
8565         we have encountered errors, don't emit debug information.
8566
8567 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8568
8569         * params.def: Fixed comment.
8570
8571 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8572
8573         PR target/19885
8574         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8575         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8576         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8577
8578 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8579
8580         PR c++/22003
8581         * varasm.c (assemble_start_function): Don't do anything that may
8582         require a CFG if the current function is a thunk.
8583
8584 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8585
8586         * doc/install.texi (Prerequisites): Mention that perl is needed
8587         to do export control in libstdc++ targetting Darwin.
8588
8589 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8590
8591         PR rtl-optimization/17808
8592         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8593         (sched_insns_conditions_mutex_p): Split out from...
8594         (add_dependence): ...here.  But don't call it from here.
8595         (add_dependence_list): Check sched_insns_conditions_mutex_p
8596         before calling add_dependence.
8597         (add_dependence_list_and_free): Likewise.
8598         (fixup_sched_groups): Likewise.
8599         (sched_analyze_1): Likewise.
8600         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8601         (sched_analyze): Likewise.
8602         (sched_analyze_insn): Likewise.
8603         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8604         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8605         dependencies on all COND_EXEC insns to jumps ending basic blocks
8606         when doing intrablock scheduling.
8607         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8608
8609 2005-07-27  Jeff Law  <law@redhat.com>
8610
8611         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8612         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8613         equivalency sets, correctly handle the case were vr0 has an
8614         equivalency set, but vr1 does not.
8615
8616 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8617
8618         PR tree-optimization/23073
8619         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8620         vect_print_dump_info before fprintf.
8621
8622 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8623
8624         PR tree-optimize/22348
8625         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8626         Fold the partial computation.
8627
8628 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8629
8630         PR tree-optimization/22325
8631         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8632         Declare.
8633         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8634         value replacement.
8635         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8636         (force_var_cost): ... this function.
8637         (compute_phi_arg_on_exit): Export.
8638
8639 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8640
8641         PR tree-optimization/20773
8642         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8643         edge.
8644
8645 2005-07-27  Richard Guenther  <rguenther@suse.de>
8646
8647         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8648         Avoid pushing again if current struct contains only
8649         fields we decomposed.
8650
8651 2005-07-27  Jan Hubicka  <jh@suse.cz>
8652
8653         PR tree-optimization/22574
8654         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8655         not available.
8656
8657         * tree-tailcall.c (decrease_profile): New function.
8658         (eliminate_tail_call): Use it.
8659
8660         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8661         visibility flags correctly in whole program mode.
8662
8663 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8664
8665         PR rtl-optimization/22472
8666         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8667
8668 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8669
8670         PR tree-optimization/22504
8671         * tree-complex.c (expand_complex_addition): Use 'code' instead
8672         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8673
8674 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8675
8676         * config.gcc (cpu_type): Add frv case.
8677         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8678         (supported_defaults): Add fr550 case.
8679
8680 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8681
8682         PR 22591
8683         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8684         whether a pointer of type T * may point to objects of type T *.
8685
8686 2005-07-26  DJ Delorie  <dj@redhat.com>
8687
8688         * configure: Regenerate.
8689
8690 2005-07-26  Dale Johannesen  <dalej@apple.com>
8691
8692         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8693
8694 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8695
8696         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8697         Clarify use of "build" in name.
8698
8699 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8700
8701         * doc/extend.texi (Raw read/write Functions): New section.
8702         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8703         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8704         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8705         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8706         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8707         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8708         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8709         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8710         * config/frv/frv.c: Add bdesc_loads global.
8711         Add bdesc_stores global.
8712         (frv_init_builtins): Add support for __builtin_{read/write}*.
8713         (frv_volatile_memref): New.
8714         (frv_expand_load_builtin): New.
8715         (frv_expand_store_builtin): New.
8716         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8717         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8718         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8719         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8720         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8721         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8722         (builtin_read_<mode>): New.
8723         (builtin_write_<mode>): New.
8724         (builtin_write64): New.
8725         (optional_membar_<mode>): New.
8726
8727 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8728
8729         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8730         (rather than units) against HOST_BITS_PER_WIDE_INT.
8731
8732 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8733
8734         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8735         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8736         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8737         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8738         FSF address.
8739
8740         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8741         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8742         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8743         comment typos.
8744         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8745
8746 2005-07-26  Richard Guenther  <rguenther@suse.de>
8747
8748         PR tree-optimization/22486
8749         * fold-const.c (fold_unary): Fold away useless component
8750         references of the form (T *)&T.x, if the address
8751         doesn't change.
8752
8753 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8754
8755         * dwarf2out.c (add_call_src_coords_attributes): New.
8756         (gen_inlined_subroutine_die): Call it.
8757         (maybe_emit_file, init_file_table): Add comments.
8758         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8759         maybe_emit_file.
8760         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8761         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8762         * tree.h (BLOCK_SOURCE_LOCATION): New.
8763         (struct tree_block): New field locus.
8764
8765 2005-07-26  Andreas Schwab  <schwab@suse.de>
8766
8767         PR rtl-optimization/23043
8768         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8769         when allocating a struct unoccr.
8770
8771 2005-07-25  Richard Henderson  <rth@redhat.com>
8772
8773         PR 22626
8774         * tree-complex.c (gate_no_optimization): True if errors.
8775         * Makefile.in (tree-complex.o): Update dependencies.
8776
8777 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8778
8779         * config/frv/predicates.md (integer_register_operand): Use
8780         GPR_AP_OR_PSEUDO_P.
8781
8782 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8783
8784         PR tree-opt/22484
8785         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8786         after fold.
8787         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8788
8789 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8790
8791         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8792         types when flag_unsafe_math_optimizations is true.
8793
8794 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8795
8796         * gcc.c (option_map): Add --sysroot.
8797         (process_command): Handle --sysroot.
8798         (display_help): Document it.
8799         * doc/cppopts.tex (-isysroot): Document.
8800         * doc/invoke.texi (--sysroot): Document.
8801         * doc/install.texi (--with-build-sysroot): Document.
8802
8803         * Makefile.in (inhibit_libc): New variable.
8804         (INHIBIT_LIBC_CFLAGS): Likewise.
8805         (LIBGCC2_CFLAGS): Include
8806         $(INHIBIT_LIBC_CFLAGS).
8807         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8808         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8809         ($(T)crtend.o): Likewise.
8810         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8811         ($(T)crtendS.o): Likewise.
8812         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8813         ($(T)crtendT.o): Likewise.
8814         (stmp-fixinc): Do not complain about missing headers if
8815         inhibit_libc.
8816         * configure.ac (inhibit_libc): Set it to true/false.
8817         (--with-build-sysroot): New option.  Use it to set
8818         SYSTEM_HEADER_DIR.
8819         * configure: Regenerated.
8820
8821 2005-07-25  Manfred Hollstein  <mh@suse.com>
8822
8823         * calls.c (store_one_arg): Fix unsigned comparison warning.
8824
8825 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8826
8827         PR other/22337
8828         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8829         (ggc_print_statistics): Initialize variable before use.
8830
8831 2005-07-25  Richard Guenther  <rguenther@suse.de>
8832
8833         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8834         calling with a PHI_NODE argument.
8835
8836         * tree-flow-inline.h (overlap_subvar): Protect against
8837         possible overflow.
8838
8839 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8840
8841         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8842         * configure: Regenerate.
8843
8844 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8845
8846         * expr.c (highest_pow2_factor): Make extern.
8847         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8848         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8849         record_array_differ_p, array_ptr_differ_p): Likewise.
8850         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8851         additional cases. Call the above functions.
8852         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8853         base_object_differ_p when there are two base objects. Otherwise, compare
8854         base address and offset. Call may_alias_p.
8855         (dump_data_reference): Use a correct field name.
8856         (analyze_array): Make static. Initialize new data-ref fields.
8857         (analyze_indirect_ref): New function.
8858         (init_data_ref): Initialize new data-ref fields.
8859         (strip_conversion): Moved from tree-vect-analyze.c.
8860         (analyze_offset_expr, get_ptr_offset, address_analysis,
8861         object_analysis): Likewise.
8862         (analyze_offset): New function.
8863         (create_data_ref): Likewise.
8864         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8865         dimensions for ARRAY_REFs only.
8866         (build_classic_dist_vector): Make static.
8867         (access_functions_are_affine_or_constant_p): Call macro to get the
8868         address of access functions.
8869         (compute_all_dependences): Add new parameter
8870         compute_self_and_read_read_dependences. Compute self and read-read
8871         dependences if it is true.
8872         (find_data_references_in_loop): Call create_data_ref. Initialize new
8873         data-ref fields.
8874         (compute_data_dependences_for_loop): Add new parameter
8875         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8876         compute nb_loops. Call compute_all_dependences,
8877         build_classic_dist_vector and build_classic_dir_vector with correct
8878         parameters.
8879         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8880         with correct parameters. Compare dimensions for ARRAY_REFs only.
8881         (free_data_refs): Call macro to free access functions.
8882         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8883         fields from stmt_vinfo.
8884         (struct base_object_info): New structure.
8885         (struct data_reference): Move fields to base_object_info. Add fields
8886         first_location and object_info for above structures. Move fields from
8887         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8888         aligned_to.  Add macros to access the new fields.
8889         Update functions declarations.
8890         * tree-flow.h (is_aliased_with): Declare.
8891         * tree-loop-linear.c (linear_transform_loops): Call
8892         compute_data_dependences_for_loop with correct parameters.
8893         * tree-ssa-alias.c (is_aliased_with): New function.
8894         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8895         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8896         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8897         vect_base_addr_differ_p, compute_subscript_distance and
8898         build_classic_dist_vector. Add printings. Check absolute value of
8899         distance.
8900         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8901         data-refs.
8902         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8903         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8904         to bytes. Add printing.
8905         (vect_compute_data_refs_alignment): Go through loads and stores in one
8906         loop.
8907         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8908         vect_analyze_data_ref_access): Likewise.
8909         (vect_analyze_pointer_ref_access): Remove.
8910         (vect_address_analysis, vect_object_analysis): Likewise.
8911         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8912         and analyze data-refs in the loop.
8913         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8914         fields of data-ref instead of stmt. Add init to the offset from the
8915         base.
8916         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8917         (vect_update_init_of_dr): Likewise.
8918         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8919         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8920         removed fields.
8921         (new_loop_vec_info): Initialize new fields.
8922         (destroy_loop_vec_info): Free new fields.
8923         (vect_strip_conversion): Remove.
8924         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8925         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8926         datarefs. Add new field ddrs.
8927         Add macros for the new fields access.
8928         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8929         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8930         Remove their macros.
8931         * tree.h (highest_pow2_factor): Declare.
8932
8933 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8934
8935         * calls.c (store_one_arg): Check for sibling call MEM arguments
8936         from already clobbered incoming argument area.
8937
8938 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8939
8940         * c-common.c (check_missing_format_attribute): New.
8941         * c-common.h (check_missing_format_attribute): Likewise.
8942         * c-typeck.c (convert_for_assignment): Use it.
8943
8944 2005-07-24  Andreas Schwab  <schwab@suse.de>
8945
8946         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8947         register use a word move.  Correct operand of ext.w in 68000 code.
8948
8949 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8950
8951         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8952         variables as declarations, rather than definitions.
8953
8954 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8955
8956         PR tree-optimization/22526
8957         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8958         of the zero node.
8959
8960 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8961
8962         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8963         that C99 reserve for future use. Use it to define clog10,
8964         clog10f and clog10l.
8965
8966 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8967
8968         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8969         * configure.ac: Check for -Wmissing-format-attribute.
8970
8971         * configure: Regenerate.
8972
8973 2005-07-23  Richard Henderson  <rth@redhat.com>
8974
8975         PR tree-optimization/22623
8976         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8977
8978 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8979
8980         PR target/22577
8981         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8982
8983 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8984
8985         * Makefile.in (C_TREE_H): Update dependencies.
8986         * c-tree.h: Include toplev.h.
8987         * diagnostic.h (diagnostic_set_info): Add format attribute.
8988         * rtl-error.c (diagnostic_for_asm): Likewise.
8989
8990 2005-07-23  Chao-ying Fu  <fu@mips.com>
8991
8992         * config/mips/mips-dsp.md: New file.
8993         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8994         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8995         functions.
8996         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8997         MIPS_BUILTIN_BPOSGE32.
8998         (mips_expand_builtin_direct): Add one parameter to indicate that
8999         builtin functions need to return a value.
9000         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9001         functions.
9002         (mips_regno_to_class): Add classes for 12 new DSP registers.
9003         (mips_subword): Change to check four HI registers.
9004         (mips_output_move): Output move to and from 6 new DSP accumulators.
9005         (override_options): Make sure -mdsp and -mips16 are not used together.
9006         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9007         for machine modes.
9008         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9009         when !TARGET_DSP.
9010         (print_operand): Add 'q' for printing DSP accumulators.
9011         (mips_cannot_change_mode_class): Check ACC_REGS.
9012         (mips_secondary_reload_class): Check ACC_REGS.
9013         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9014         (mips_register_move_cost): Check ACC_REGS.
9015         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9016         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9017         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9018         (dsp_bdesc): New array.
9019         (bdesc_arrays): Add DSP builtin function table.
9020         (mips_prepare_builtin_arg): Check predicate again after
9021         copy_to_mode_reg.
9022         (mips_expand_builtin): Add one more parameter to
9023         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9024         MIPS_BUILTIN_BPOSGE32.
9025         (mips_init_builtins): Initialize new function types.
9026         (mips_expand_builtin_direct): Check if builtin functions need to
9027         return a value and pass operands properly.
9028         (mips_expand_builtin_bposge): New function.
9029         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9030         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9031         (FIRST_PSEUDO_REGISTER): Increase to 188.
9032         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9033         Update for 12 new DSP registers.
9034         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9035         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9036         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9037         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9038         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9039         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9040         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9041         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9042         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9043         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9044         (REGISTER_NAMES): Add names for 12 new DSP registers.
9045         * config/mips/mips.md: Include mips-dsp.md.
9046         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9047         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9048         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9049         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9050         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9051         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9052         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9053         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9054         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9055         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9056         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9057         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9058         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9059         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9060         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9061         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9062         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9063         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9064         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9065         (UNSPEC_RDDSP): New constants.
9066         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9067         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9068         A<-d alternative.
9069         * config/mips/mips.opt (-mdsp): New option.
9070         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9071         (reg_imm10_operand): New predicates.
9072         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9073         * doc/invoke.texi (-mdsp): Document new option.
9074
9075 2005-07-22  DJ Delorie  <dj@redhat.com>
9076
9077         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9078         to warning calls.
9079         * tree-inline.c (inlinable_function_p): Likewise.
9080
9081 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9082
9083         PR debug/21828
9084         * toplev.c (check_global_declarations): Do not mark undefined
9085         variables as DECL_IGNORED_P.
9086         * varasm.c (first_global_object_name): GTY it.
9087         (weak_global_object_name): Likewise.
9088         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9089         a string to go into {weak,first}_global_object_name.
9090
9091 2005-07-22  DJ Delorie  <dj@redhat.com>
9092
9093         * c-format.c (check_function_format): Change warning control
9094         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9095
9096 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9097
9098         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9099         &PTR->FLD a dereference of PTR.
9100         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9101         a potential dereference of PTR.
9102
9103 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9104
9105         PR rtl-optimization/20370
9106         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9107         call allocate_reg_info if necessary.
9108
9109         PR rtl-optimization/21848
9110         * calls.c (emit_library_call_value_1): For const functions, add
9111         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9112
9113         PR rtl-optimization/22445
9114         * cselib.c (target.h): Include.
9115         (rtx_equal_for_cselib_p): Allow commutative matches.
9116         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9117         Remove MODE parameter.  Changed all callers.
9118
9119         PR rtl-optimization/22258
9120         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9121         New functions.
9122         (try_combine): Use likely_spilled_retval_p.
9123
9124 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9125
9126         * config.gcc: Add crx-elf support.
9127
9128         * doc/contrib.texi: Mention crx.
9129         * doc/extend.texi: Document crx extensions.
9130         * doc/install.texi: Document crx install.
9131         * doc/invoke.texi: Document crx options.
9132         * doc/md.texi: Document crx constraints.
9133
9134         * config/crx/crx-protos.h: New file.
9135         * config/crx/crx.c: New file.
9136         * config/crx/crx.h: New file.
9137         * config/crx/crx.md: New file.
9138         * config/crx/crx.opt: New file.
9139         * config/crx/t-crx: New file.
9140
9141 2005-07-22  Manfred Hollstein  <mh@suse.com>
9142
9143         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9144         warnings.
9145         (int_add_graph_edge): Likewise.
9146         (collapse_nodes): Likewise.
9147         (process_unification_queue): Likewise.
9148
9149 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9150             Laurent GUERBY  <laurent@guerby.net>
9151
9152         PR tree-optimization/22336
9153         * function.c (record_block_change): Check for
9154         cfun->ib_boundaries_block.
9155
9156 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9157
9158         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9159         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9160
9161 2005-07-21  DJ Delorie  <dj@redhat.com>
9162
9163         * toplev.c (warn_deprecated_use): Add warning control to warning
9164         call.
9165         * c-typeck.c (parser_build_binary_op): Likewise.
9166         (c_finish_if_stmt): Likewise.
9167         * c-common.c (check_function_sentinel): Likewise.
9168         (check_nonnull_arg): Likewise.
9169
9170 2005-07-21  Richard Henderson  <rth@redhat.com>
9171
9172         PR tree-opt/22504
9173         * tree-complex.c (complex_ssa_name_components): New.
9174         (cvc_lookup): Allow entry not found.
9175         (create_components): Remove.
9176         (create_one_component_var, get_component_var): New.
9177         (get_component_ssa_name, set_component_ssa_name): New.
9178         (extract_component): Use get_component_ssa_name.
9179         (update_complex_components): Use set_component_ssa_name.
9180         (update_complex_components_on_edge): Likewise.
9181         (update_phi_components): Create new PHI nodes directly, instead
9182         of adding insns to edges.
9183         (tree_lower_complex): Allocate and free complex_variable_components
9184         and complex_ssa_name_components here.
9185
9186 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9187
9188         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9189         revert to returning false.
9190
9191 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9192
9193         PR target/21149
9194         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9195
9196 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9197
9198         PR target/22576
9199         * config/i386/i386.md (cmpxf): Change operand constraints
9200         to "nonmemory_operand".
9201
9202 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9203
9204         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9205
9206 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9207
9208         PR middle-end/21180
9209         * fold-const.c (fold_build1): Add checksum for the operands.
9210         (fold_build2): Likewise.
9211         (fold_build3): Likewise.
9212
9213 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9214
9215         PR middle-end/19055
9216         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9217
9218 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9219
9220         * common.opt (-fforward-propagate): Committed by mistake,
9221         removed.
9222
9223 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9224
9225         * reg-stack.c: Fix comment typo(s).
9226         * tree-ssa-operands.c: Likewise.
9227         * tree-vectorizer: Likewise.
9228
9229 2005-07-21  Nick Clifton  <nickc@redhat.com>
9230
9231         * config/sh/symbian.c: Replace C++ style line comments with C
9232         style line comments.
9233         (symbian_add_attribute): Do not use a ? operator on the LHS of
9234         an assignment.
9235         (sh_symbian_handle_dll_attribute): Change the type of the
9236         method vector to "VEC(tree,gc)*" and use vector accessor
9237         macros to walk over the elements.
9238         (symbian_export_vtable_and_rtti_p): Likewise.
9239         (symbian_class_needs_attribute_p): Likewise.
9240
9241 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9242
9243         PR target/22085
9244         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9245         initialize targetm.resolve_overloaded_builtin here.
9246         (altivec_expand_overloaded_builtin): Make it non-static.
9247         * config/rs6000/rs6000-protos.h
9248         (altivec_expand_overloaded_builtin): New prototype.
9249         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9250         targetm.resolve_overloaded_builtin here.
9251         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9252
9253 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9254             Zdenek Dvorak  <dvorakz@suse.cz>
9255
9256         PR tree-optimization/19210
9257         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9258         New.
9259         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9260         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9261         rely on unproven assumptions.
9262         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9263         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9264         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9265         to number_of_iterations_exit.
9266         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9267         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9268         * tree-ssa-loop-niter.c (find_loop_niter,
9269         estimate_numbers_of_iterations_loop): Likewise.
9270         (number_of_iterations_exit): Honor the new options.
9271         * doc/invoke.texi (Wunsafe-loop-optimizations,
9272         funsafe-loop-optimizations): Document them.
9273
9274 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9275
9276         PR rtl-optimization/22167
9277         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9278
9279 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9280
9281         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9282         __do_global_dtors_aux longcall.
9283
9284 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9285
9286         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9287         (old_special_pred_table): Don't reference
9288         SPECIAL_MODE_PREDICATES.
9289         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9290         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9291         * config/sh/predicates.h: Don't mention
9292         SPECIAL_MODE_PREDICATES.
9293         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9294         Remove.
9295
9296 2005-07-20  DJ Delorie  <dj@redhat.com>
9297
9298         * config.gcc: Add m32c-elf support.
9299
9300         * doc/contrib.texi: Mention m32c.
9301         * doc/extend.texi: Document m32c extensions.
9302         * doc/install.texi: Mention m32c.
9303         * doc/invoke.texi: Document m32c options.
9304         * doc/md.texi: Document m32c constraints.
9305
9306         * config/m32c/addsub.md: New file.
9307         * config/m32c/bitops.md: New file.
9308         * config/m32c/cond.md: New file.
9309         * config/m32c/jump.md: New file.
9310         * config/m32c/m32c-lib1.S: New file.
9311         * config/m32c/m32c-lib2.c: New file.
9312         * config/m32c/m32c-modes.def: New file.
9313         * config/m32c/m32c-pragma.c: New file.
9314         * config/m32c/m32c-protos.h: New file.
9315         * config/m32c/m32c.abi: New file.
9316         * config/m32c/m32c.c: New file.
9317         * config/m32c/m32c.h: New file.
9318         * config/m32c/m32c.md: New file.
9319         * config/m32c/m32c.opt: New file.
9320         * config/m32c/minmax.md: New file.
9321         * config/m32c/mov.md: New file.
9322         * config/m32c/muldiv.md: New file.
9323         * config/m32c/predicates.md: New file.
9324         * config/m32c/prologue.md: New file.
9325         * config/m32c/shift.md: New file.
9326         * config/m32c/t-m32c: New file.
9327
9328 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9329
9330         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9331         (stack_protect_set, stack_protect_test): New expanders.
9332         (stack_protect_set_si, stack_protect_set_si_media,
9333         stack_protect_set_di_media, stack_protect_test_si,
9334         stack_protect_test_si_media, stack_protect_test_di_media):
9335         New insns.
9336
9337 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9338
9339         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9340
9341 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9342
9343         * tree.h (tree_expr_nonzero_p): Export.
9344         * fold-const.c (tree_expr_nonzero_p): Likewise.
9345         Return true for CALL_EXPRs that are alloca calls.
9346         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9347         against zero.
9348         * tree-flow.h (expr_computes_nonzero): Remove.
9349         * tree-vrp.c (expr_computes_nonzero): Remove.
9350         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9351         (extract_range_from_unary_expr): Likewise.
9352         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9353         tree_expr_nonzero_p.
9354
9355 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9356
9357         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9358         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9359         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9360         All callers changed.
9361         (frame_related_constant_load): New arg "related" which controls
9362         setting of RTX_FRAME_RELATED_P.  All callers changed.
9363         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9364         (bfin_expand_prologue): Add stack limit checking.
9365         * config/bfin/bfin.md (trapifcc): New pattern.
9366
9367         * config/bfin/bfin.c: Include "langhooks.h".
9368         (def_builtin): Go through lang_hooks to call builtin_function.
9369
9370         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9371         * config/bfin/predicates.md (symbol_ref_operand): New.
9372         (call_insn_operand): Delete.  All callers changed to use
9373         register_no_elim_operand.
9374         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9375         call_cookie field.
9376         (function_arg): Use it to generate the call's operand 2.
9377         (bfin_longcall_p): New function.
9378         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9379         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9380         determine if the address needs to be in a REG.
9381         (bfin_handle_longcall_attribute): New function.
9382         (bfin_attribute_table): Add "longcall" and "shortcall".
9383         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9384         (CUMULATIVE_ARGS): New member call_cookie.
9385         (PREDICATE_CODES): Add symbol_ref_operand.
9386         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9387         extra USE to the pattern.
9388         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9389         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9390         sibcall_value_insn; now the new patterns handle direct calls and the
9391         old ones indirect calls.
9392         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9393
9394 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9395
9396         * doc/trouble.texi: Update section on handling of empty loops.
9397
9398 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9399
9400         * config.gcc: Remove support for sparc-*-openbsd*,
9401         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9402         ns32k-*-netbsd*.
9403         * config.host: Remove support for i860-*-sysv4* as a host.
9404         * config/i860/*, config/ip2k/*, config/ns32k/*,
9405         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9406         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9407         mention obsolete ports.
9408
9409 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9410
9411         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9412         soft frame pointer.
9413         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9414         of frame_pointer_rtx.
9415         (sh_expand_epilogue): Likewise.
9416         (sh_set_return_address): Likewise.
9417         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9418         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9419         offsets from FRAME_POINTER_REGNUM.
9420         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9421         (sh_register_names): Add initializer for sfp.
9422         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9423         (VALID_REGISTER_P): Likewise.
9424         (FIRST_PSEUDO_REGISTER): Update.
9425         (DWARF_FRAME_REGISTERS): Define.
9426         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9427         (HARD_FRAME_POINTER_REGNUM): Define.
9428         (FRAME_POINTER_REGNUM): Redefine.
9429         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9430         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9431         from FRAME_POINTER_REGNUM.
9432         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9433         FRAME_POINTER_REGNUM.
9434         (REG_CLASS_CONTENTS): Add sfp.
9435         (REG_ALLOC_ORDER): Likewise.
9436         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9437         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9438         of frame_pointer_rtx.
9439         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9440
9441 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9442
9443         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9444         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9445         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9446         of an ABS_EXPR.
9447         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9448         ABS_EXPR<x>.
9449
9450 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9451
9452         Make CONSTRUCTOR use VEC to store initializers.
9453         * c-common.c (complete_array_type): Update to cope with VEC in
9454         CONSTRUCTOR_ELTS.
9455         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9456         (pp_c_constructor_elts): New function.
9457         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9458         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9459         struct constructor_stack, struct initializer_stack,
9460         constructor_elements, push_init_level, pop_init_level,
9461         add_pending_init, find_init_member, output_init_element): Update to
9462         cope with VEC in CONSTRUCTOR_ELTS.
9463         * coverage.c (build_fn_info_value, build_ctr_info_value,
9464         build_gcov_info): Likewise.
9465         * expr.c (categorize_ctor_elements_1, store_constructor,
9466         expand_expr_real_1): Likewise.
9467         * fold-const.c (fold_ternary): Likewise.
9468         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9469         gimplify_init_constructor, gimplify_expr): Likewise.
9470         * tree-dump.c (dequeue_and_dump): Likewise.
9471         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9472         node.
9473         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9474         CONSTRUCTOR_ELTS.
9475         * tree-sra.c (generate_element_init_1): Likewise.
9476         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9477         * tree-ssa-operands.c (get_expr_operands): Likewise.
9478         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9479         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9480         (get_initial_def_for_reduction): Likewise.
9481         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9482         value handle in annotations.
9483         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9484         tree_node_structure): Add support for constr_kind.
9485         (build_vector_from_ctor, build_constructor_single,
9486         build_constructor_from_list): New functions.
9487         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9488         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9489         Update to cope with VEC in CONSTRUCTOR_ELTS.
9490         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9491         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9492         CONSTRUCTOR_APPEND_ELT): New macros.
9493         (struct constructor_elt, struct tree_constructor): New data types.
9494         (union tree_node): Add tree_constructor field.
9495         * treestruct.def: Define TS_CONSTRUCTOR.
9496         * varasm.c (const_hash_1, compare_constant, copy_constant,
9497         compute_reloc_for_constant, output_addressed_constants,
9498         initializer_constant_valid_p, output_constant,
9499         array_size_for_constructor, output_constructor): Update to cope with
9500         VEC in CONSTRUCTOR_ELTS.
9501         * vec.h (VEC_empty, VEC_copy): New macros.
9502
9503 2005-07-19  Devang Patel  <dpatel@apple.com>
9504
9505         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9506
9507 2005-07-19  Richard Henderson  <rth@redhat.com>
9508
9509         PR tree-opt/22278
9510         * gimplify.c (gimplify_expr): Use main variant type for the temp
9511         destination for a discarded volatile read.
9512         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9513         casts between non-void types that change volatility.
9514
9515 2005-07-15  DJ Delorie  <dj@redhat.com>
9516
9517         * toplev.h: Add comment about the first parameter for warning().
9518         * errors.h: Likewise.
9519
9520         * c.opt (Wpragmas): New.
9521         * doc/invoke.texi: Document it.
9522
9523         * function.c (do_warn_unused_parameter): Add warning control to
9524         warning call.
9525         * c-decl.c (warn_if_shadowing): Likewise.
9526         * c-lex.c (cb_def_pragma): Likewise.
9527         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9528         (pop_alignment): Likewise.
9529         (handle_pragma_pack): Likewise.
9530         (apply_pragma_weak): Likewise.
9531         (handle_pragma_weak): Likewise.
9532         (handle_pragma_redefine_extname): Likewise.
9533         (add_to_renaming_pragma_list): Likewise.
9534         (handle_pragma_extern_prefix): Likewise.
9535         (maybe_apply_renaming_pragma): Likewise.
9536         (handle_pragma_visibility): Likewise.
9537
9538         * config/c4x/c4x-c.c (BAD): Likewise.
9539         (c4x_parse_pragma): Likewise.
9540         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9541         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9542         (rs6000_pragma_longcall): Likewise.
9543         * config/v850/v850-c.c (pop_data_area): Likewise.
9544         (ghs_pragma_section): Likewise.
9545         (ghs_pragma_section): Likewise.
9546         (ghs_pragma_interrupt): Likewise.
9547         (ghs_pragma_starttda): Likewise.
9548         (ghs_pragma_startsda): Likewise.
9549         (ghs_pragma_startzda): Likewise.
9550         (ghs_pragma_endtda): Likewise.
9551         (ghs_pragma_endsda): Likewise.
9552         (ghs_pragma_endzda): Likewise.
9553
9554 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9555             Kenneth Zadeck <zadeck@naturalbridge.com>
9556
9557         * Makefile.in: Removed tree-promote-statics.c
9558         * tree-promote-statics.c: Removed.
9559         * common.opt: Removed flag-promote-statics.
9560         * opts.c: Ditto.
9561         * passes.c: Removed tree-promote-statics pass.
9562         * tree-pass.h: Ditto.
9563         * timevar.def: Removed TV_PROMOTE_STATICS.
9564
9565
9566 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9567
9568         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9569         and *-*-freebsd9.
9570         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9571
9572 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9573
9574         PR c/22476
9575         * c-common.c (check_function_arguments): Call
9576         'check_function_format' if either -Wformat or
9577         -Wmissing-format-attribute are specified.
9578         * c-format.c (check_function_format): Check -Wformat before
9579         calling 'check_format_info'.
9580         * c-opts.c (c_common_post_options): Don't warn for
9581         -Wmissing-format-attribute without -Wformat.
9582         * c-typeck.c (convert_for_assignment): Detect additional cases for
9583         -Wmissing-format-attribute.
9584         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9585         behavior.
9586
9587 2005-07-19  Richard Guenther  <rguenther@suse.de>
9588
9589         * config/i386/i386.md (lrint<mode>2): Use temporary
9590         instead of clobbering non-existent memory.
9591
9592 2005-07-19  Nick Clifton  <nickc@redhat.com>
9593
9594         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9595         statement to avoid displaying ASCII control characters.
9596
9597 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9598
9599         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9600         * cfganal.c (find_edge_index): Ditto.
9601         * combine.c (combine_instructions): Ditto.
9602         * ddg.c (create_scc): Ditto.
9603         (find_successors): Ditto.
9604         (find_predecessors): Ditto.
9605         (find_nodes_on_paths): Ditto.
9606         (longest_simple_path): Ditto.
9607         * flow.c (update_life_info): Ditto.
9608         (count_or_remove_death_notes): Ditto.
9609         (clear_log_links): Ditto.
9610         * modulo-sched.c (generate_reg_moves): Ditto.
9611         (find_max_asap): Ditto.
9612         (find_max_hv_min_mob): Ditto.
9613         (find_max_dv_min_mob): Ditto.
9614         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9615         * sched-rgn.c (extract_edgelst): Ditto.
9616         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9617         (dump_update_ssa): Ditto.
9618         (ssa_names_to_replace) Ditto.
9619         (switch_virtuals_to_full_rewrite): Ditto.
9620         (update_ssa): Ditto.
9621         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9622
9623 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9624
9625         Fix PR tree-optimization/22483
9626
9627         * tree-complex.c (create_components): Use
9628         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9629         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9630         * tree-flow.h (safe_referenced_var_iterator): New structure.
9631         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9632         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9633         safe_referenced_var iterator.
9634         (add_type_alias): Ditto.
9635
9636 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9637
9638         * loop-init.c (rest_of_handle_loop2): Remove.
9639         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9640         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9641         (pass_rtl_loop_init, pass_rtl_loop_done,
9642         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9643         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9644         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9645         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9646         pass_tree_loop_done, and pass_tree_unswitch.
9647         (gate_loop): Rename to gate_tree_loop.
9648         * passes.c (init_optimization_passes): Update for renamed tree
9649         loop passes.  Add the new loop2 passes as subpasses of loop2.
9650         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9651         Update for the renamed tree loop passes.
9652
9653 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9654
9655         PR middle-end/22057
9656         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9657         blocks when optimizing.
9658
9659 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9660
9661         * common.opt (frename-registers): Initialize to 2.
9662         (fweb): Ditto.
9663         (fgcse-after-reload): Ditto.
9664         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9665         (process_options): Only change flag_web, flag_rename_registers,
9666         and flag_rerun_cse_after_loop if not explicitly set by user.
9667
9668 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9669
9670         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9671         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9672         in 64-bit mode the same as DImode in 32-bit mode.
9673         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9674         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9675         mode. Add new mode parameter.
9676         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9677         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9678         x86_64_shift_adj): New expanders.
9679         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9680         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9681         insns.
9682         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9683         DImode shift splitters.
9684         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9685         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9686         mode parameter.
9687
9688 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9689
9690         * i386.md (movdi_extzv_1): New.
9691         (zero_extendhidi2): Combine alternatives and never force use of
9692         REX64 prefix.
9693         (zero_extendqidi2): Likewise. Don't restrict input selection.
9694
9695 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9696
9697         Fix PR tree-optimization/22531
9698         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9699          moment.
9700
9701 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9702
9703         * tree-promote-statics.c (pass_promote_statics): Change dump file
9704          name.
9705
9706 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9707
9708         * tree-optimize.c (init_tree_optimization_passes): Add
9709         pass_eliminate_useless_stores pass.
9710         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9711         * tree-ssa-pre.c (is_copy_stmt): New function.
9712         (follow_copies_till_vuse): Ditto.
9713         (do_eustores): Ditto.
9714         (gate_eustores): Ditto.
9715
9716 2005-07-16  Richard Henderson  <rth@redhat.com>
9717
9718         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9719
9720 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9721            Kenneth Zadeck <zadeck@naturalbridge.com>
9722
9723         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9724         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9725         ipa-type-escape.h, tree-promote-statics.c
9726         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9727         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9728         tree-promote-statics.c: new files.
9729         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9730         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9731         int nonlocal_set_p, mark_constant_function): Deleted.
9732         (rest_of_handle_cfg): Removed call to mark_constant_function.
9733         (nonoverlapping_component_refs_p): Added calls to support
9734         type based aliasing.
9735         * tree-ssa-alias.c (may_alias_p,
9736         compute_flow_insensitive_aliasing): Ditto.
9737         * calls.c (flags_from_decl_or_type): Removed reference to
9738         cgraph_rtl_info.
9739         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9740         too many arguments.  This is necessary for Spec 2000.
9741         * cgraph.h (const_function, pure_function): Removed.
9742         * common.opt: Added "fipa-pure-const", "fipa-reference",
9743         "fipa-type-escape", and "ftree-promote-static".
9744         * opts.c: Ditto.
9745         * passes.c: Added ipa and tree-promote-statics passes.
9746         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9747         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9748         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9749         * tree-flow.h: Added exposed sra calls and addition of
9750         reference_vars_info field for FUNCTION_DECLS.
9751         * tree-pass.h: Added passes.
9752         * tree-sra.c: (sra_init_cache): New function.
9753         (sra_insert_before, sra_insert_after) Made public.
9754         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9755         and made public.
9756         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9757         aliasing. (may_alias_p): Added code to use type escape analysis to
9758         improve alias sets.
9759         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9760         code to prune clobbers of static variables based on information
9761         produced in ipa-reference pass.  Changed call clobbering so that
9762         statics are not marked as clobbered if the call does not clobber
9763         them.
9764
9765 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9766
9767         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9768         too.
9769
9770 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9771
9772         * doc/install.texi (*-*-solaris2*): Document recommended version
9773         of GNU binutils and mention GNU linker problem on Solaris 10.
9774
9775 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9776
9777         PR c/22421
9778         * c-decl.c (c_build_bitfield_integer_type): New function.
9779         (finish_struct): Call it.
9780         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9781
9782 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9783
9784         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9785         before returning.
9786
9787 2005-07-16  Jan Hubicka  <jh@suse.cz>
9788
9789         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9790         (scale_bbs_frequencies_int): Watch roundoff errors.
9791         * predict.c (return_prediction): Initialize return_stmt.
9792
9793 2005-07-16  Jan Hubicka  <jh@suse.cz>
9794
9795         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9796         after RTL profiling.
9797
9798 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9799
9800         PR middle-end/22398
9801         * fold-const.c (build_range_check): Convert high/low to etype
9802         if we are only comparing against exp.
9803
9804 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9805
9806         Fix PR tree-optimization/22376
9807         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9808         special var here.
9809         (need_to_solve): New function.
9810         (compute_points_to_sets): Use it.
9811
9812 2005-07-15  Jan Hubicka  <jh@suse.cz>
9813
9814         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9815         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9816
9817 2005-07-15  Richard Guenther  <rguenther@suse.de>
9818
9819         * c-common.c (handle_flatten_attribute): New function.
9820         Add flatten function attribute.
9821         * doc/extend.texi: Document flatten function attribute.
9822         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9823         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9824         New functions.
9825         (cgraph_decide_inlining): Handle functions with flatten
9826         attribute.
9827
9828 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9829
9830         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9831         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9832         UNSPEC_XCHG, UNSPEC_AND): New.
9833         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9834         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9835         * config/rs6000/sync.md (FETCHOP): New code macro.
9836         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9837         New code attrs.
9838         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9839         (sync_compare_and_swap<mode>): Same.
9840         (sync_lock_test_and_set<mode>): Same.
9841         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9842         for QImode and HImode, and not PPC405.
9843         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9844         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9845         (sync_<fetchop>{si,di}_internal): New.
9846         (sync_nand{si,di}_internal): New.
9847         (sync_old_<fetchop>{si,di}_internal): New.
9848         (sync_old_nand{si,di}_internal): New
9849         (sync_new_<fetchop>{si,di}_internal): New.
9850         (sync_new_nand{si,di}_internal): New.
9851         (atomic_and{si,di}): New.
9852         (sync_new_nand{si,di}_internal): New.
9853         (atomic_and{si,di}): New.
9854         (sync_add<mode>_internal): Delete.
9855         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9856         (sync_sub<mode>_internal): Delte.
9857         (sync_subshort_internal): New.
9858         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9859         (sync_anddi_internal): Delete.
9860         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9861         (sync_booldi_internal): Delete.
9862         (sync_boolc<mode>_internal): Delete.
9863         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9864         (sync_boolc<mode>_internal2): Delete.
9865         (sync_boolcc<mode>_internal): Delete.
9866         (isync, lwsync): Use unspec instead of unspec_volatile.
9867         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9868         Revert UNSPEC_VOLATILE.
9869         (rs6000_split_atomic_op): New.
9870         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9871
9872 2005-07-14  Eric Christopher  <echristo@redhat.com>
9873
9874         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9875         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9876
9877 2005-07-14  Eric Christopher  <echristo@redhat.com>
9878
9879         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9880
9881 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9882
9883         PR tree-optimization/22230
9884         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9885         the computation of the four cross productions for "range op range".
9886
9887 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9888             Ulrich Weigand  <uweigand@de.ibm.com>
9889
9890         PR target/20126
9891         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9892         in some insn.
9893
9894 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9895
9896         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9897
9898 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9899
9900         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9901
9902 2005-07-14  Richard Guenther  <rguenther@suse.de>
9903
9904         PR middle-end/22347
9905         * config/i386/i386-protos.h (ix86_function_value): Change
9906         prototype to match new target hook.
9907         * config/i386/i386.c (ix86_value_regno): Change prototype
9908         to take extra type argument.
9909         (TARGET_FUNCTION_VALUE): Define.
9910         (ix86_function_ok_for_sibcall): Pass extra argument to
9911         ix86_value_regno, check return slot rtx for exact match.
9912         (ix86_function_value): Take extra parameter.  Dispatch to
9913         ix86_value_regno with fndecl/fntype as provided.
9914         (ix86_value_regno): Handle extra type argument.
9915         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9916
9917         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9918         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9919         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9920         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9921         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9922
9923 2005-07-14  Richard Guenther  <rguenther@suse.de>
9924
9925         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9926         * calls.c (expand_call): Pass fntype to hard_function_value.
9927         (emit_library_call_value_1): Likewise.
9928         * explow.c: Include target.h.
9929         (hard_function_value): Take extra argument, the fntype.
9930         Use new target hook for function_value.
9931         * expr.h (hard_function_value): Change prototype.
9932         * function.c (aggregate_value_p): Pass 0 as fntype to
9933         hard_function_value.
9934         (assign_parms): Use new target hook for function_value.
9935         Pass 0 as fntype to hard_function_value.
9936         (expand_function_end): Likewise.
9937         * reg-stack.c: Include target.h.
9938         (stack_result): Use new target hook for function_value.
9939         * target-def.h: New target hook function_value.
9940         * target.h: Likewise.
9941         * targhooks.c (default_function_value): New function.
9942         * targhooks.h (default_function_value): Declare.
9943
9944 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9945
9946         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9947
9948 2005-07-14  Jan Hubicka  <jh@suse.cz>
9949
9950         * tree-dfa.c (dump_variable): Use default_def function.
9951         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9952         * tree-ssa.c (verify_use): Likewise.
9953         * tree-ssanames.c (release_ssa_name): Likewise.
9954         * tree-tailcall.c (eliminate_tail_call): Likewise.
9955         (tree_optimize_tail_calls_1): Likewise.
9956         * tree-vrp.c (get_value_range): Likewise.
9957
9958 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9959
9960         * gcc.c (main): Compare language[0] with '*' when iterating over
9961         the infiles.
9962
9963 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9964
9965         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9966         "s390_emit_compare".  Add handling of CCZ1mode.
9967         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9968         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9969         checking.
9970         (s390_branch_condition_mask): Add CCZ1mode handling.
9971         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9972         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9973         Use CCZ1mode instead of CCZmode.
9974         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9975
9976 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9977
9978         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9979         pattern.
9980         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9981
9982 2005-07-13  Eric Christopher  <echristo@redhat.com>
9983
9984         * config/mips/mips.c (mips_canonicalize_comparison): New.
9985         (mips_emit_int_relational): Use.
9986
9987 2005-07-13  Eric Christopher  <echristo@redhat.com>
9988
9989         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9990         static extra parts.
9991         * config/s390/s390.md: Include tpf.md. Move tpf specific
9992         patterns...
9993         * config/s390/tpf.md: To here.
9994         * config/s390/s390.opt: Move tpf specific options...
9995         * config/s390/tpf.opt: to here. Add mmain option.
9996         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9997         * config/s390/tpf.h: Rewrite.
9998
9999 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10000
10001         * doc/tm.texi: Remove @xref{Cross-profiling}.
10002
10003 2005-07-13  Jeff Law  <law@redhat.com>
10004
10005         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10006         expressions, test their _DECL operands for pointer equality rather
10007         than using operand_equal_p.
10008
10009 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10010
10011         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10012         (TARGET_POSIX_IO): This.
10013         * config/darwin.h: Likewise.
10014         * config/freebsd.h: Likewise.
10015         * config/linux.h: Likewise.
10016         * config/lynx.h: Likewise.
10017         * config/netbsd.h: Likewise.
10018         * config/rs6000/linux64.h: Likewise.
10019         * config/rs6000/linux.h: Likewise.
10020         * config/s390/tpf.h: Likewise.
10021         * config/sh/embed-elf.h: Likewise.
10022         * config/sparc/linux64.h: Likewise.
10023         * config/sparc/linux.h: Likewise.
10024         * config/svr4.h: Likewise.
10025         * gcov-io.h: Likewise.
10026
10027         * doc/tm.texi: Updated.
10028
10029         * libgcov.c (create_file_directory): Defined only if
10030         TARGET_POSIX_IO is defined.
10031         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10032         is defined.
10033
10034 2005-07-13  Jan Hubicka  <jh@suse.cz>
10035
10036         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10037
10038 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10039
10040         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10041         structure as argument.
10042
10043 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10044
10045         PR tree-optimization/21921
10046         * tree-iterator.c (tsi_link_before): Support the case when
10047         tsi_end_p (tsi) == true.
10048
10049 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10050
10051         PR tree-optimization/22442
10052         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10053         correctly.
10054
10055 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10056
10057         PR rtl-optimization/20376
10058         * toplev.c (process_options): Enable -fweb and -frename-registers when
10059         unrolling.
10060         * doc/invoke.texi: Update the information about when -fweb and
10061         -frename-registers are enabled.
10062
10063 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10064
10065         PR tree-opt/21840
10066         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10067         if *rhs_p is not a SSA_NAME.
10068
10069 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10070
10071         Fix PR tree-optimization/22422
10072         * tree-ssa-structalias.c (struct variable_info): Add flag for
10073         special vars.
10074         (get_varinfo): Now a static function.
10075         (new_varinfo): init has_union and is_special_var to false.
10076         (solution_set_add): Check has_union.
10077         (do_da_constraint): Move temporary variable so it gets reset
10078         properly.
10079         Also check for special variable.
10080         (do_ds_constraint): Ditto.
10081         (do_sd_constraint): Ditto.
10082         (do_structure_copy): Check for special variable.
10083         (find_func_aliases): Ditto.
10084         (init_base_vars): Set special vars properly.
10085
10086 2005-07-13  Jan Hubicka  <jh@suse.cz>
10087
10088         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10089         do unit-at-a-time.
10090
10091         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10092         (get_expr_operands): Fix thinko wrt flags and subvars.
10093
10094         PR tree-optimize/22379
10095         * tree-inline.c (expand_call_inline): Do not output sorry in early
10096         inlining.
10097
10098 2005-07-12  Dale Johannesen  <dalej@apple.com>
10099
10100         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10101
10102 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10103
10104         PR bootstrap/21704
10105         * host-linux.h: Include limits.h.
10106
10107 2005-07-12  Dale Johannesen  <dalej@apple.com>
10108
10109         * expr.c (compress_float_constant):  Add cost check.
10110         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10111
10112 2005-07-12  Dale Johannesen  <dalej@apple.com>
10113
10114         * gcc.target/i386/compress-float-sse.c:  New.
10115         * gcc.target/i386/compress-float-sse-pic.c:  New.
10116         * gcc.target/i386/compress-float-387.c:  New.
10117         * gcc.target/i386/compress-float-387-pic.c:  New.
10118         * gcc.dg/compress-float-ppc.c:  New.
10119         * gcc.dg/compress-float-ppc-pic.c:  New.
10120
10121 2005-07-12  Eric Christopher  <echristo@redhat.com>
10122
10123         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10124         static extra parts.
10125         * config/s390/s390.md: Include tpf.md. Move tpf specific
10126         patterns...
10127         * config/s390/tpf.md: To here.
10128         * config/s390/s390.opt: Move tpf specific options...
10129         * config/s390/tpf.opt: to here. Add mmain option.
10130         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10131         * config/s390/tpf.h: Rewrite.
10132
10133 2005-07-12  Eric Christopher  <echristo@redhat.com>
10134
10135         * gcc.c (struct infile): Update comment for language.
10136         (main): Rewrite input file resetting code.
10137
10138 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10139
10140         PR tree-opt/22335
10141         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10142         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10143         (lookup_avail_expr): Use constant_boolean_node instead
10144         of boolean_false_node/boolean_true_node.
10145
10146 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10147
10148         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10149         and use it when printing num_edges.
10150
10151 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10152
10153         * doc/extend.texi (Blackfin Built-in Functions): New section.
10154         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10155         @opindex.
10156
10157 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10158
10159         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10160         s/cmpstrsi/cmpstrnsi
10161         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10162         'cmpstrnsi'.
10163         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10164         (init_optabs): Initialize cmpstrn_optab.
10165         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10166         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10167         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10168         * config/i386/i386.md: s/cmpstr/cmpstrn
10169         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10170         * doc/md.texi: Update documentation.
10171
10172 2005-07-11  Richard Henderson  <rth@redhat.com>
10173
10174         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10175         build_va_arg_indirect_ref.
10176         (alpha_gimplify_va_arg): Likewise.
10177         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10178         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10179         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10180         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10181         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10182         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10183         Likewise.
10184         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10185
10186 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10187
10188         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10189         * passes.c (init_optimization_passes): Add pass_empty_loop.
10190         * tree-pass.h (pass_empty_loop): Declare.
10191         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10192         try_remove_empty_loop, remove_empty_loops): New functions.
10193         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10194         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10195
10196 2005-07-12  Peter Barada  <peter@the-baradas.com>
10197
10198         PR middle-end/16719
10199         PR middle-end/18421
10200         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10201         in address registers.
10202         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10203         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10204         alternative of addsi3_5200.
10205
10206 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10207
10208         * config/mips/mips.md (ffs<mode>2): Remove.
10209
10210 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10211
10212         * doc/tree-ssa.texi (Cleanups): Improve description of
10213         TRY_FINALLY_EXPR.
10214         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10215
10216 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10217
10218         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10219         * tree.h (DECL_ARGUMENT_FLD): New macro.
10220
10221 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10222
10223         Fix PR tree-optimization/22404
10224
10225         * tree-ssa-structalias.c (create_variable_info_for): Use
10226         correct offset.
10227
10228 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10229
10230         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10231         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10232         for second comparison operand.
10233         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10234
10235         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10236         (define_insn_reservation "alu"): Likewise.
10237         (csync, ssync): Now of type sync.
10238         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10239         -mcsync-anomaly -mspecld-anomaly.
10240         * config/bfin/bfin.opt (mcsync): Remove.
10241         (mcsync-anomaly, mspecld-anomaly): Add.
10242         * config/bfin/bfin.c: Include "insn-codes.h".
10243         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10244         (TARGET_DEFAULT_TARGET_FLAGS): New.
10245         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10246
10247 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10248
10249         * basic-block.h: Give the BB flags enum a name, bb_flags.
10250         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10251         * cfgcleanup.c (enum bb_flags): Remove here.
10252         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10253         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10254         (update_forwarder_flag): Likewise.
10255         (thread_jump): Likewise.
10256         (try_forward_edges): Likewise.
10257         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10258         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10259         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10260
10261 2005-07-11  Richard Guenther  <rguenther@suse.de>
10262
10263         * config/i386/i386.opt: New target option -msseregparm.
10264         * config/i386/i386.c (override_options): Error out for
10265         -msseregparm but no SSE support.
10266         (ix86_function_sseregparm): Check for global sseregparm.
10267         * doc/invoke.texi: Document -msseregparm.
10268
10269 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10270
10271         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10272         (m32rle-*-linux*): Ditto.
10273
10274 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10275
10276         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10277         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10278         bytes.
10279
10280 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10281
10282         PR middle-end/22239
10283         PR target/20126
10284         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10285         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10286
10287 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10288
10289         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10290         (varmap): Heapify varmap.
10291         (constraints): Heapify constraints.
10292         (struct constraint_graph): Heapify succs and preds.
10293         (constraint_vec_find): Update for heapification.
10294         (constraint_set_union): Ditto.
10295         (insert_into_complex): Ditto.
10296         (constraint_edge_vec_find): Ditto.
10297         (erase_graph_self_edge): Ditto.
10298         (add_graph_edge): Ditto.
10299         (get_graph_weights): Ditto.
10300         (merge_graph_nodes): Ditto.
10301         (build_constraint_graph): Ditto.
10302         (topo_visit): Ditto.
10303         (solve_graph): Ditto.
10304         (create_variable_info_for): Ditto.
10305         (init_base_vars): Ditto.
10306         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10307         (condese_varmap_nodes): Free complex vector.
10308         (clear_edges_for_node): Clear succs and preds vector.
10309
10310 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10311
10312         * tree-ssa-structalias.c (update_alias_info): Change counting of
10313         references to not include vdefs.
10314
10315 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10316
10317         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10318         (up_insert): Ditto.
10319
10320 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10321
10322         * pa.c (pa_commutative_p): Make PLUS commutative when
10323         TARGET_NO_SPACE_REGS is true.
10324
10325 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10326
10327         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10328         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10329         * tree-dfa.c (dump_subvars_for): New.
10330         (debug_subvars_for): New.
10331         (dump_variable): Show subvariables if VAR has them.
10332         * tree-flow-inline.h (get_subvar_at): New.
10333         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10334         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10335         Update all users.
10336         (struct subvar): Change fields offset and size to unsigned
10337         HOST_WIDE_INT.
10338         (dump_subvars_for): Declare.
10339         (debug_subvars_for): Declare.
10340         (get_subvar_at): Declare.
10341         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10342         to unsigned HOST_WIDE_INT *.
10343         (overlap_subvar): Likewise.
10344         * tree-gimple.c (is_gimple_reg): Always return false for
10345         SFTs and memory tags.
10346         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10347         Update all callers.
10348         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10349         (compute_may_aliases): Call compute_points_to_sets.
10350         (collect_points_to_info_for): Remove.
10351         (compute_points_to_and_addr_escape): Remove.
10352         (delete_alias_info): Call delete_points_to_sets.
10353         (compute_flow_sensitive_aliasing): If the call to
10354         find_what_p_points_to returns false, call set_pt_anything.
10355         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10356         (set_pt_anything): Clear pi->pt_vars.
10357         (set_pt_malloc): Remove.
10358         (merge_pointed_to_info): Remove.
10359         (add_pointed_to_expr): Remove.
10360         (add_pointed_to_var): Remove.
10361         (collect_points_to_info_r): Remove.
10362         (is_escape_site): Make extern.
10363         (create_sft): New.
10364         (create_overlap_variables_for): Call it.
10365         * tree-ssa-copy.c (merge_alias_info): Never merge
10366         flow-sensitive alias information.
10367         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10368         offset and size to be unsigned HOST_WIDE_INT.
10369         (add_to_addressable_set): Rename from note_addressable.
10370         Set TREE_ADDRESSABLE as the variables are added to the set.
10371         Update all users.
10372         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10373         operands into VUSEs when adding V_MAY_DEFs for members in an
10374         alias set.
10375         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10376         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10377         (struct variable_info): Add bitfield is_heap_var.
10378         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10379         (new_var_info): Initialize is_heap_var.
10380         (get_constraint_for): Add HEAP variables to the symbol table.
10381         Mark them with is_heap_var.
10382         (update_alias_info): New.  Taken mostly from the old
10383         compute_points_to_and_addr_escape.
10384         (handle_ptr_arith): New.
10385         (find_func_aliases): Call update_alias_info.
10386         Call handle_ptr_info for tcc_binary expressions.
10387         Call mark_stmt_modified.
10388         (create_variable_info_for): If DECL has subvars, do not create
10389         variables for its subvars.  Always add all the fields.
10390         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10391         SFTs, then add all the SFTs of the structure.
10392         If VI->DECL is an aggregate with subvariables, add the SFT at
10393         VI->OFFSET.
10394         (find_what_p_points_to): If VI is an artificial variable,
10395         translate to bitfields in SSA_NAME_PTR_INFO.
10396         If the solution is empty, set pi->pt_vars to NULL
10397         (init_base_vars): Create ANYOFFSET.
10398         (compute_points_to_sets): Rename from create_alias_vars.
10399         Make extern.
10400         (pass_build_pta): Remove.
10401         (delete_points_to_sets): Rename from delete_alias_vars.
10402         (pass_del_pta): Remove.
10403         * tree-ssa-structalias.h (struct alias_info): Move from
10404         tree-ssa-alias.h.
10405         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10406         NUM_REFERENCES_SET): Likewise.
10407         (compute_points_to_sets, delete_points_to_sets): Declare.
10408
10409 2005-07-09  Richard Henderson  <rth@redhat.com>
10410
10411         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10412         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10413         alpha_split_lock_test_and_set_12): New functions.
10414         * config/alpha/alpha-protos.h: Update.
10415         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10416         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10417         * config/alpha/sync.md (I12MODE): New.
10418         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10419         (sync_<fetchop_name><I48MODE>): Likewise.
10420         (sync_nand<I48MODE>): Likewise.
10421         (sync_old_<fetchop_name><I48MODE>): Likewise.
10422         (sync_new_<fetchop_name><I48MODE>): Likewise.
10423         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10424         (sync_compare_and_swap<I48MODE>): Likewise.
10425         (sync_lock_test_and_set<I48MODE>): Likewise.
10426         (sync_compare_and_swap<I12MODE>): New.
10427         (sync_compare_and_swap<I12MODE>_1): New.
10428         (sync_lock_test_and_set<I12MODE>): New.
10429         (sync_lock_test_and_set<I12MODE>_1): New.
10430
10431 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10432
10433         PR 21356
10434         PR 22332
10435         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10436
10437 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10438
10439         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10440         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10441
10442 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10443
10444         PR target/21656
10445         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10446
10447 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10448
10449         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10450         memory_operand constraint.
10451         (store_conditional_<mode>): Same.
10452         (sync_compare_and_swap<mode>): Same.
10453         (sync_lock_test_and_set<mode>): Same.
10454
10455 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10456
10457         Rewrite PIC support to more closely model actual instructions.
10458         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10459         (cris_symbol): Remove prototypes for removed functions.
10460         (cris_pic_symbol_type_of, cris_valid_pic_const)
10461         (cris_expand_pic_call_address): Prototypes for new functions.
10462         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10463         variable.
10464         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10465         modifiers.
10466         <case ':'>: Add case for new punctuation character.
10467         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10468         emitting (extra) PIC modifier.
10469         <case UNSPEC>: Do not assert for PLT.
10470         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10471         (cris_expand_prologue, cris_expand_epilogue): Check
10472         for pic_offset_table_rtx usage instead of taking
10473         current_function_uses_pic_offset_table as the final word.
10474         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10475         Remove flag_pic difference.
10476         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10477         the moral equivalents of...
10478         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10479         functions.
10480         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10481         (cris_handle_option): Mark ARG as unused.
10482         (cris_expand_pic_call_address): New worker function for "call",
10483         "call_value".
10484         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10485         output PIC constructs here.
10486         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10487         as symbol-specific modifers, not whole or part of operands.
10488         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10489         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10490         constants and flag_pic.
10491         (CONSTANT_INDEX_P): Adjust for new functions.
10492         (enum cris_pic_symbol_type): New helper type.
10493         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10494         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10495         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10496         define_constants.
10497         ("movsi"): Emit actual instructions for GOT and relative access.
10498         ("*movsi_got_load"): New pattern to set up the register holding
10499         the GOT pointer.
10500         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10501         Adjust FIXME for 'S'.
10502         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10503         Use "movs" for -fpic cases.
10504         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10505         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10506         ("call", "call_value"): Just call cris_expand_pic_call_address for
10507         PIC addresses.
10508         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10509         Remove special pattern.
10510         ("*expanded_call_side", "*expanded_call_value_side"): New
10511         patterns.
10512         (gotplt-to-plt, gotplt-to-plt-side-call)
10513         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10514         peephole2:s.
10515         * config/cris/cris/predicates.md
10516         ("cris_general_operand_or_gotless_symbol"): Remove unused
10517         predicate.
10518         ("cris_general_operand_or_symbol"): Adjust for new functions.
10519
10520 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10521
10522         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10523
10524 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10525
10526         * Makefile.in (TREE_H): Add treestruct.def.
10527         (c-decl.o): Add pointer-set.h
10528         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10529         visibility on regular DECL's.
10530         (merge_decls): Fix the copying of decl nodes of various types for
10531         the new structures.  Don't update RTL, section name, weak status,
10532         etc, on DECL's without RTL.
10533         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10534         Don't check volatile on non-variable types.
10535         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10536         to check whether we have seen arguments.
10537         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10538         flag is checked before field (flag is common, field is not).
10539         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10540         TS_DECL_COMMON could have an origin.
10541         (add_location_or_const_value_attribute): Don't check section name
10542         on non-var/function decls.
10543         (dwarf2out_var_location): Reverse order of tests.
10544         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10545         with DECL_WRTL_CHECK.
10546         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10547         * fold-const.c (fold_binary): Don't check weakness on
10548         non-var/function decls.
10549         (tree_expr_nonzero_p): Ditto.
10550         (fold_checksum_tree): Use tree_decl_extra as sizeof
10551         buffer.
10552         * ggc-page.c (extra_order_size_table): Add sizes for
10553         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10554         tree_field_decl.
10555         * gimplify.c (gimplify_bind_expr): Only set
10556         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10557         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10558         without RTL.
10559         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10560         * langhooks.h (init_ts). New langhook.
10561         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10562         * print-tree.c (print_node): Update to only print fields that
10563         exist in the structures the passed decl has.
10564         * toplev.c (wrapup_global_declarations): Don't reset
10565         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10566         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10567         * tree-inline.c (remap_decl): Ditto.
10568         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10569         * tree-pretty-print.c (print_declaration): Don't print
10570         DECL_REGISTER on things that don't contain it.
10571         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10572         non-var/function decls.
10573         * tree.c (tree_contains_struct): New structure.
10574         (init_priority_for_decl): New hashtable.
10575         (tree_int_map): New structure.
10576         (tree_int_map_eq): New function.
10577         (tree_int_map_marked_p): Ditto.
10578         (tree_int_map_hash): Ditto.
10579         (tree_map): Move to tree.h.
10580         (tree_map_eq): Externalize.
10581         (tree_map_hash): Ditto.
10582         (tree_map_marked_p): Ditto.
10583         (init_ttree): Set up tree_contains_struct and call langhook.
10584         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10585         (tree_code_size): Update for new structures.
10586         (tree_node_structure): Update for new structures.
10587         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10588         without the field.
10589         (copy_node_stat):  Copy init priority.
10590         (build_decl_stat): Ditto for visibility.
10591         (ts_enum_names): New.
10592         (tree_contains_struct_check_failed): New function.
10593         (decl_init_priority_lookup): Ditto.
10594         (decl_init_priority_insert): Ditto.
10595         * treestruct.def: New file.
10596         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10597         (CONTAINS_STRUCT_CHECK): Ditto.
10598         (tree_contains_struct_check_failed): New prototype.
10599         (DECL_CHECK): Removed.
10600         (DECL_MINIMAL_CHECK): New.
10601         (DECL_COMMON_CHECK): Ditto.
10602         (DECL_WRTL_CHECK): Ditto.
10603         (DECL_NON_COMMON_CHECK): Ditto.
10604         (DECL_WITH_VIS_CHECK): Ditto.
10605         (VAR_OR_FUNCTION_DECL_P): Ditto
10606         (struct tree_decl_minimal): New structure.
10607         (struct tree_decl_common): Ditto.
10608         (struct tree_decl_with_rtl): Ditto.
10609         (struct tree_decl_with_vis): Ditto.
10610         (struct tree_decl_non_common): Ditto.
10611         (struct tree_field_decl): Ditto.
10612         (struct tree_parm_decl): Ditto.
10613         (struct tree_var_decl): Ditto.
10614         (struct tree_function_decl): Ditto.
10615         (struct tree_const_decl): Ditto.
10616         (struct tree_result_decl): Ditto.
10617         (union tree_node): Add new structures.
10618         * var-tracking.c (track_expr_p): Reverse order of tests.
10619
10620         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10621
10622 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10623
10624         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10625         * system.h: Poison FINALIZE_PIC.
10626         * doc/tm.texi (FINALIZE_PIC): Remove.
10627
10628 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10629
10630         PR tree-opt/22329
10631         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10632         to the correct type if we have a MODIFY_EXPR.
10633
10634 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10635
10636         PR tree-optimization/22360
10637         * tree.c (upper_bound_in_type): Fix calculations for casting
10638         to a non-wider signed type and casting a signed value to a
10639         wider unsigned type.
10640         (lower_bound_in_type): Fix calculations for casting to a
10641         non-wider signed type.
10642
10643         PR tree-optimization/20139
10644         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10645         release_defs.
10646         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10647         fold_cond_expr_cond.
10648         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10649         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10650
10651 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10652
10653         PR tree-opt/22356
10654         * tree-complex.c (expand_complex_libcall): Produce
10655         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10656
10657 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10658
10659         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10660         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10661         b" assert and inserted fastpath code for this case.
10662         (bitmap_ior): Removed "a != b" assert.
10663
10664 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10665
10666         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10667         (ENDFILE_SPEC): Likewise.
10668         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10669
10670         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10671         a large stack frame at epilogue.
10672
10673 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10674
10675         * final.c: Include sdbout.h when required.
10676
10677 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10678
10679         * config.gcc (*-*-darwin*): Only one target-specific header file
10680         for generic darwin.
10681         (powerpc-*-darwin*): Add version-specific header files.
10682         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10683         * config.in: Regenerate.
10684         * configure: Regenerate.
10685         * gcc.c: Include xregex.h.
10686         (version_compare_spec_function): New.
10687         (spec_function): Add version-compare.
10688         (replace_outfile_spec_function): Reformat comment.
10689         (compare_version_strings): New.
10690         * config/darwin-c.c (version_as_macro): New.
10691         (builtin_define): New.
10692         (darwin_cpp_builtins): New.
10693         * config/darwin-protos.h (darwin_cpp_builtins): New.
10694         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10695         (LIB_SPEC): Make unconditional, update comment.
10696         (TARGET_C99_FUNCTIONS): Define.
10697         * config/darwin.opt: Sort.
10698         (mmacosx-version-min=): New.
10699         * config/darwin7.h: Delete.
10700         * config/darwin8.h: Delete.
10701         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10702         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10703         (TARGET_C99_FUNCTIONS): Define.
10704         * config/rs6000/darwin7.h: New.
10705         * config/rs6000/darwin8.h: New.
10706         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10707         (-mmacosx-version-min): Document.
10708
10709 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10710
10711         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10712
10713 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10714
10715         PR middle-end/22239
10716         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10717
10718 2005-07-07  Khem Raj  <kraj@mvista.com>
10719
10720         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10721         in bytes, not words.
10722
10723 2005-07-07  Paul Brook  <paul@codesourcery.com>
10724
10725         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10726         DEFAULT_FUNCTION_ARG_PADDING to upward.
10727
10728 2005-07-07  Richard Henderson  <rth@redhat.com>
10729
10730         * function.c (locate_and_pad_parm): Record parameter alignment in
10731         stack_alignment_needed.
10732
10733 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10734
10735         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10736         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10737         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10738         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10739         (define_attr "type"): Add isync, sync, load_l, store_c.
10740         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10741         Create scratch volatile MEM.
10742         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10743         sync.
10744         (load_locked_<mode>): New.
10745         (store_conditional_<mode>): New.
10746         (sync_compare_and_swap<mode>): Replace with splitter.
10747         (sync_lock_test_and_set<mode>): Replace with splitter.
10748         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10749         and UNSPECV_ISYNC.
10750         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10751         is ics.  Attribute isync.
10752         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10753         lwsync.
10754         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10755         and UNSPECV_SYNC_OP.
10756         (emit_unlikely_jump): New.
10757         (emit_load_locked): New.
10758         (emit_store_conditional): New.
10759         (rs6000_split_compare_and_swap): New.
10760         (rs6000_split_lock_test_and_set): New.
10761         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10762         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10763         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10764         rs6000_split_lock_test_and_set): Declare.
10765         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10766         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10767         store_c, isync, sync.
10768
10769 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10770
10771         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10772         filenames to gtyp-gen.h.
10773         (s-typ-gen): Use it in place of for loops.
10774
10775 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10776
10777         * hooks.c (hook_bool_rtx_int_false): New function.
10778         * hooks.h (hook_bool_rtx_int_false): Declare.
10779         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10780         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10781         * target.h (struct gcc_target): Add commutative_p member.
10782         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10783         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10784         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10785         (pa_commutative_p): New function.
10786         * jump.c (target.h): Include.
10787         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10788         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10789
10790 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10791
10792         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10793         (s390_expand_setmem): New.
10794         * config/s390/s390.c: Likewise.
10795         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10796         Adapt comments.
10797         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10798         general_operand.  Call new function "s390_expand_setmem".
10799         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10800         ("setmem_long", "*setmem_long"): ... this.
10801
10802 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10803
10804         * config/s390/s390.c: (optimization_options): Enable
10805         TARGET_MVCLE at -Os.
10806         * doc/invoke.texi: Document changes in default behaviour.
10807         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10808
10809 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10810
10811         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10812         defined by back-end.
10813
10814 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10815
10816         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10817         all sets in the pattern.
10818         * config/rs6000/rs6000.md (stack_protect_testsi,
10819         stack_protect_testdi): Likewise.
10820
10821 2005-07-06  Jeff Law  <law@redhat.com>
10822
10823         * tree-vrp.c (simplify_using_ranges): Kill.
10824         (vrp_finalize): Remove call to simplify_using_ranges.
10825         (simplify_stmt_using_ranges): New function extracted from
10826         simplify_using_ranges.
10827         (simplify_div_or_mod_using_ranges): Likewise.
10828         (simplify_abs_using_ranges): Likewise.
10829         (simplify_cond_using_ranges): New function.
10830         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10831         * tree-ssa-propagate.c (substitute_and_fold): Call
10832         simplify_stmt_using_ranges if we have range information.
10833
10834 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10835
10836         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10837         ia64_flag_schedule_isns2.
10838
10839         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10840         reading/writing general registers.
10841         (ia64_function_arg): Revert 2005-06-18 change.
10842
10843 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10844
10845         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10846         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10847
10848 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10849
10850         * function.c (expand_function_end): Revert part of 2005-06-27
10851         patch.  Do sjlj_emit_function_exit_after after return_label.
10852
10853 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10854
10855         * doc/install.texi (--disable-libssp): New.
10856
10857 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10858
10859         * doc/invoke.texi: Update -fforce-mem documentation.
10860         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10861         code for -fforce-mem.
10862         * expmed.c: (store_bit_field,store_fixed_bit_field,
10863         extract_bit_field): Ditto.
10864         * expr.c: (convert_move): Ditto.
10865         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10866         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10867         emit_conditional_add,expand_float,expand_fix): Ditto.
10868         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10869         (common_handle_option): Issue warning when -fforce-mem specified.
10870
10871 2005-07-06  Paul Brook  <paul@codesourcery.com>
10872
10873         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10874         argument is empty.
10875         * configure: Regenerate.
10876
10877 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10878
10879         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10880
10881 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10882
10883         Fix PR tree-optimization/22319
10884         Fix PR tree-optimization/22140
10885         Fix PR tree-optimization/22310
10886
10887         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10888         variable sized types.
10889         Use correct type for intermediate structure on *a = *b structure
10890         copies.
10891
10892 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10893
10894         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10895         Remove.
10896         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10897         (machine_function): Move typedef to...
10898         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10899         varargs_save_offset field.
10900         (rs6000_stack_t): Remove varargs_size field.
10901         (setup_incoming_varargs): Allocate varargs save area using
10902         assign_stack_local, try to make it as small as possible.
10903         Save offset from virtual_stack_vars_rtx to the save area
10904         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10905         instead of magic 8 when fp word byte size is used.
10906         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10907         instead of -RS6000_VARARGS_SIZE.
10908         (rs6000_stack_info, debug_stack_info,
10909         rs6000_initial_elimination_offset): Remove all traces of
10910         varargs_size.
10911         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10912         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10913         RS6000_VARARGS_AREA.
10914
10915 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10916
10917         PR tree-optimization/21963
10918         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10919         constant_multiple_of in the same way get_computation_cost_at does.
10920
10921 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10922
10923         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10924         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10925         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10926         and return its previous value.
10927         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10928         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10929         constants.
10930         (stack_protect_set, stack_protect_test): New expanders.
10931         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10932         stack_protect_testdi): New insns.
10933         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10934         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10935
10936 2005-07-06  Jeff Law  <law@redhat.com>
10937
10938         * tree-ssa-dce.c (cfg_altered): New global.
10939         (tree_dce_init): Initialize cfg_altered.
10940         (remove_dead_stmt): If we remove an edge in the CFG, then set
10941         CFG_ALTERED.
10942         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10943         the dominators.
10944
10945 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10946
10947         * Makefile.in (stamp-collect-ld): Use
10948         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10949         ./collect-ld if it already exists.
10950         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10951         Don't remove ./nm if it already exists.
10952
10953 2005-07-05  Devang Patel  <dpatel@apple.com>
10954
10955         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10956         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10957         * tree-vectorizer.c (vect_loop_location): New.
10958         (vect_print_dump_info): Use vect_loop_location.
10959         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10960         (vectorize_loops): Set vect_loop_location.
10961         * tree-vect-analyze.c (vect_analyze_offset_expr,
10962         vect_determin_vectorization_factor, vect_analyze_operations,
10963         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10964         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10965         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10966         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10967         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10968         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10969         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10970         vect_analyze_loop): Adjust vect_print_dump_info API.
10971         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10972         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10973         vect_finish_stmt_generation, vectorizable_assignment,
10974         vectorizable_operation, vectorizable_store, vectorizable_load,
10975         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10976         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10977         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10978         vect_transform_loop): Same.
10979         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10980         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10981         Same.
10982
10983 2005-07-05  Randolph Chung  <tausq@debian.org>
10984
10985         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10986         * configure: Regenerate.
10987         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10988         (pa_tls_referenced_p): Declare.
10989         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10990         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10991         (legitimize_tls_address): New.
10992         (hppa_legitimize_address): Handle TLS addresses.
10993         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10994         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10995         (emit_move_sequence): Handle TLS addresses.
10996         (pa_encode_section_info): Call default handler to handle common
10997         sections.
10998         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10999         (CONSTANT_ADDRESS_P): Reject TLS operands.
11000         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11001         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11002         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11003         (UNSPEC_TLSLE): Define new constants.
11004         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11005         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11006         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11007         (tie_symbolic_operand, tle_symbolic_operand): New
11008
11009 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11010
11011         * aclocal.m4: Update macros for autoconf 2.59 style.
11012         * configure.ac: Likewise.
11013
11014 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11015
11016         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11017         (function_arg): Pass small aggregates in general registers on 32-bit
11018         targets.
11019         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11020
11021 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11022
11023         * Makefile.in (final.o): Fix dependencies.
11024
11025 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11026
11027         PR c/22013
11028         PR c/22098
11029         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11030         * langhooks.c (lhd_expr_to_decl): New.
11031         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11032         New.
11033         (LANG_HOOKS_INITIALIZER): Update.
11034         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11035         expr_to_decl langhook.
11036         * c-tree.h (c_expr_to_decl): Declare.
11037         * c-typeck.c (c_expr_to_decl): New.
11038         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11039         specially.
11040         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11041
11042 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11043
11044         PR c/22308
11045         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11046         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11047
11048 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11049
11050         * Makefile.in: Adjust dependencies.
11051         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11052         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11053         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11054         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11055         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11056         rest_of_compilation.
11057
11058         * bb-reorder.c (gate_duplicate_computed_gotos,
11059         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11060         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11061         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11062         pass_partition_blocks): New.
11063         * bt-load.c (gate_handle_branch_target_load_optimize,
11064         rest_of_handle_branch_target_load_optimize,
11065         pass_branch_target_load_optimize): New.
11066         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11067         pass_jump2): New.
11068         * cfglayout.c (pass_insn_locators_initialize): New.
11069         * cfgrtl.c (pass_free_cfg): New.
11070         * combine.c (gate_handle_combine, rest_of_handle_combine,
11071         pass_combine): New.
11072         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11073         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11074         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11075         * except.c (pass_set_nothrow_function_flags,
11076         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11077         pass_rtl_eh): New.
11078         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11079         rest_of_handle_shorten_branches, pass_shorten_branches,
11080         rest_of_clean_state, pass_clean_state): New.
11081         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11082         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11083         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11084         pass_flow2): New.
11085         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11086         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11087         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11088         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11089         pass_gcse): New.
11090         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11091         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11092         pass_rtl_ifcvt, gate_handle_if_after_combine,
11093         rest_of_handle_if_after_combine, pass_if_after_combine,
11094         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11095         pass_if_after_reload): New.
11096         * integrate.c (pass_initial_value_sets): New.
11097         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11098         pass_purge_lineno_notes): New.
11099         * mode-switching.c (rest_of_handle_mode_switching,
11100         pass_mode_switching): New.
11101         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11102         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11103         pass_loop2): New.
11104         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11105         pass_loop_optimize): New.
11106         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11107         pass_sms): New.
11108         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11109         pass_gcse2): New.
11110         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11111         pass_postreload_cse): New.
11112         * profile.c (gate_handle_profiling, pass_profiling,
11113         rest_of_handle_branch_prob, pass_branch_prob): New.
11114         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11115         pass_split_before_regstack, gate_handle_split_before_regstack,
11116         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11117         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11118         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11119         pass_stack_regs): New.
11120         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11121         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11122         pass_stack_adjustments): New.
11123         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11124         pass_regrename): New.
11125         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11126         pass_delay_slots, gate_handle_machine_reorg,
11127         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11128         * rtl.h (extern void purge_line_number_notes): New.
11129         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11130         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11131         pass_sched2): New.
11132         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11133         pass_tracer): New.
11134         * value-prof.c (gate_handle_value_profile_transformations,
11135         rest_of_handle_value_profile_transformations,
11136         pass_value_profile_transformations): New.
11137         * var-tracking.c (gate_handle_var_tracking,
11138         pass_variable_tracking): New.
11139         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11140
11141         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11142         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11143         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11144         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11145         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11146         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11147         rest_of_handle_gcse2, rest_of_handle_regmove,
11148         rest_of_handle_tracer, rest_of_handle_if_conversion,
11149         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11150         rest_of_handle_web, rest_of_handle_branch_prob,
11151         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11152         rest_of_handle_jump_bypass, rest_of_handle_combine,
11153         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11154         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11155         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11156         rest_of_handle_mode_switching, rest_of_handle_jump,
11157         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11158         rest_of_handle_flow2, rest_of_handle_jump2,
11159         rest_of_handle_peephole2, rest_of_handle_postreload,
11160         rest_of_handle_shorten_branches, rest_of_clean_state,
11161         rest_of_compilation): Remove.
11162
11163         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11164         * passes.c (dump_flags, in_gimple_form, all_passes,
11165         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11166         register_dump_files, next_pass_1, last_verified, execute_todo,
11167         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11168         from tree-optimize.c.
11169         (init_optimization_passes): Moved from tree-optimize.c,
11170         adding the RTL optimizations.
11171         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11172         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11173         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11174         register_dump_files, next_pass_1, last_verified, execute_todo,
11175         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11176         init_tree_optimization_passes, ipa_passes): Delete.
11177         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11178         the RTL dumps.
11179         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11180         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11181         from tree.h.
11182         (ipa_passes): Remove.
11183         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11184         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11185         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11186         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11187         (dump_info_p, dump_flag): Moved to tree-dump.h.
11188
11189         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11190         cgraph.c, opts.c.
11191         * passes.c (finish_optimization_passes): Use dump_begin
11192         and dump_end, TDI_end.
11193         (gate_rest_of_compilation): New.
11194         (pass_rest_of_compilation): Use it.
11195         (gate_postreload, pass_postreload): New.
11196         * toplev.c (general_init): Rename init_tree_optimization_passes.
11197         * toplev.h (init_tree_optimization_passes): Rename to
11198         init_optimizations_passes.
11199         * tree-dump.c (dump_flag): Make static.
11200         (dump_files): Remove RTL dumps.
11201         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11202         pass_cleanup_cfg, pass_free_cfg_annotations,
11203         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11204         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11205         * tree-pretty-print.c: Include tree-pass.h.
11206         * cgraph.c: Include tree-dump.h.
11207
11208 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11209
11210         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11211         Only fall back to saying it points to readonly memory if
11212         we can't do better.
11213
11214 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11215
11216         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11217         * config/m32r/m32r.c (m32r_compute_frame_size,
11218         m32r_expand_prologue): Take current_function_profile into
11219         account whenever we reference
11220         current_function_uses_pic_offset_table.
11221         (m32r_finalize_pic): Remove.
11222         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11223
11224 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11225
11226         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11227         instead of $<.  Don't remove ./as if it already exists.
11228
11229 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11230
11231         PR target/21723
11232         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11233         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11234         for complex modes when generating code for PA 1.0.
11235         (VALID_FP_MODE_P): New macro.
11236         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11237         sets for all general and floating point modes.  Align wide floating
11238         point modes to even register boundaries to comply with architectural
11239         requirements.
11240         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11241         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11242         (VALID_FP_MODE_P): New macro.
11243         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11244         sets for all general and floating point modes.  Align wide floating
11245         point modes to even register boundaries to comply with architectural
11246         requirements.
11247
11248 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11249
11250         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11251         to 0.
11252
11253 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11254
11255         * tree-ssa-structalias.c: Don't include expr.h.
11256
11257 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11258
11259         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11260         comments.
11261
11262 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11263
11264         Fix PR tree-optimization/22279
11265
11266         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11267         correct operator.
11268
11269 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11270
11271         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11272
11273 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11274
11275         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11276         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11277         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11278         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11279         config/stormy16/stormy16.c, config/v850/v850.c,
11280         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11281         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11282         Avoid "." or "\n" at end of diagnostics and capital letters at
11283         start of diagnostics.
11284         * combine.c, cse.c: Don't translate dump file output.
11285         * toplev.c (print_version): Only translate output if going to
11286         stderr.
11287
11288 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11289
11290         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11291         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11292         typos.
11293
11294 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11295
11296         * pa.c (fix_range): Fix typo in comment.
11297
11298 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11299
11300         * tree-vrp.c (extract_range_from_assert): Replace
11301         fold (build (...)) with fold_build2.
11302
11303 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11304
11305         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11306         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11307         (format_types_orig, handle_format_attribute): Add support for
11308         format "gcc_gfc".
11309
11310 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11311
11312         * varasm.c (assemble_variable): Fix format specifier thinko.
11313
11314 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11315
11316         PR tree-optimization/22029 (and 22135)
11317         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11318         a phi node before calling dump_vops.
11319
11320 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11321
11322         * tree-dump.h (dump_string_field): Declare.
11323         * tree-dump.c: Use it instead of dump_string.
11324         (dump_string_field): Make non-static.
11325
11326 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11327
11328         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11329         up the minimal CFG stuff always when optimize > 0.  Call
11330         split_all_insns_noflow in PIC case if needed.
11331
11332 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11333             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11334
11335         PR c++/18279
11336         * c-decl.c (c_write_global_declarations): Dump contents of
11337         external scope to.
11338         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11339         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11340         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11341         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11342         is enabled.
11343
11344 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11345
11346         * c-common.h (GCC_DIAG_STYLE): Define.
11347         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11348         version for format checking to 4.1.
11349         * c-format.c: Include toplev.h after c-common.h.
11350         (enum format_type): Add gcc_tdiag_format_type.
11351         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11352         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11353         (format_types_orig): Add gcc_tdiag.
11354         (init_dynamic_diag_info): Support gcc_tdiag formats.
11355         (handle_format_attribute): Likewise.
11356         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11357         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11358         version for format checking to 4.1.
11359         (warning0, warning, error, pedwarn, sorry): Use
11360         ATTRIBUTE_GCC_DIAG.
11361         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11362         (finish_aliases_1): Do not use %qE.
11363         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11364         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11365         Correct format bugs.
11366         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11367         parameter to unsigned HOST_WIDE_INT.
11368         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11369
11370 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11371
11372         PR middle-end/21742
11373         * expr.c (write_complex_part): Use adjust_address for MEM.
11374         (read_complex_part): Same.
11375
11376 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11377
11378         Fix PR tree-optimization/22280
11379
11380         * tree-sra.c (generate_element_init): Remove useless loop.
11381
11382 2005-07-02  Richard Henderson  <rth@redhat.com>
11383
11384         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11385         TLS_MODEL_NONE.
11386         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11387
11388 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11389
11390         PR middle-end/14490
11391         * fold-const.c (fold_binary): Handle the return value of
11392         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11393         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11394
11395 2005-07-02  Jeff Law  <law@redhat.com>
11396
11397         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11398         a eliminate type conversion which feeds an equality comparison
11399         if the original type or either operand in the comparison is a
11400         function pointer.
11401
11402 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11403
11404         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11405         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11406         texts.
11407         * config/avr/avr.c: Do not use '`' as left quote.
11408         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11409         Remove "." from end of diagnostics.  Make diagnostics start with
11410         lowercase letter.
11411
11412 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11413             Joseph S. Myers  <joseph@codesourcery.com>
11414
11415         * toplev.c (default_tree_printer): Handle setting location with
11416         '+' flag.
11417         * c-objc.common.c (c_tree_printer): Likewise.
11418         * c-format.c (gcc_diag_flag_specs): Add '+'.
11419         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11420         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11421         formats.
11422         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11423         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11424         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11425         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11426         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11427         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11428         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11429         format arguments where %J is used without %D.
11430
11431 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11432
11433         * gcc.c (LINK_SSP_SPEC): Define.
11434         (link_ssp_spec): New variable.
11435         (LINK_COMMAND_SPEC): Add %(link_ssp).
11436         (static_specs): Add link_ssp_spec.
11437         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11438         * configure: Rebuilt.
11439         * config.in: Rebuilt.
11440
11441         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11442         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11443         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11444         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11445         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11446         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11447         -0x7008(2) instead of reading __stack_chk_guard variable.
11448         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11449         number.
11450         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11451         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11452         if TARGET_THREAD_SSP_OFFSET is defined.
11453         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11454         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11455
11456         Revert:
11457         2005-06-27  Richard Henderson  <rth@redhat.com>
11458         * libgcc-std.ver (GCC_4.1.0): New.
11459         * libgcc.h (__stack_chk_guard): Declare.
11460         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11461         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11462         * mklibgcc.in (lib2funcs): Add them.
11463
11464 2005-07-01  Richard Henderson  <rth@redhat.com>
11465
11466         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11467         void * before struct sigcontext *.
11468         (x86_fallback_frame_state): Likewise.
11469
11470 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11471
11472         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11473
11474 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11475
11476         PR tree-opt/22269
11477         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11478         we check for SSA_NAME for.
11479
11480 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11481
11482         Fix PR tree-optimization/22071
11483
11484         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11485         function.
11486         (get_constraint_for_component_ref): Use it.
11487
11488 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11489
11490         PR other/22264
11491         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11492         print out the last new line.
11493
11494 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11495
11496         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11497         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11498         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11499         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11500         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11501         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11502         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11503         (enum reg_class): New member CC0_REGS.
11504         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11505         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11506         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11507         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11508         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11509         Adjust for register now described.
11510
11511 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11512
11513         PR target/22262
11514         * config/i386/i386.md (stack_protect_test_si,
11515         stack_protect_test_di): Add earlyclobber for scratch 3.
11516         * config/rs6000/rs6000.md (stack_protect_testsi,
11517         stack_protect_testdi): Add earlyclobber for scratch 3,
11518         remove earlyclobber from scratch 4.
11519
11520 Older entries for 2005 can be found in ChangeLog-2005.