| blob | 063cc3f666042a5740e4e7a5fca329b271fe5eb6 |
1 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
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.
8 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
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.
18 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
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.
47 2005-12-12 Alan Modra <amodra@bigpond.net.au>
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.
54 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
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.
61 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
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
115 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
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.
130 2005-12-10 Mark Mitchell <mark@codesourcery.com>
132 PR c++/25010
133 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
134 DECL_EXTERNAL functions have no bodies. Tidy.
136 2005-12-10 Andreas Schwab <schwab@suse.de>
138 * except.c (switch_to_exception_section): Only define if
139 TARGET_UNWIND_INFO is not defined.
141 2005-12-10 Richard Sandiford <richard@codesourcery.com>
143 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
144 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
146 2005-12-10 Richard Sandiford <richard@codesourcery.com>
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.
154 2005-12-10 Richard Sandiford <richard@codesourcery.com>
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.
171 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
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.
179 2005-12-09 Diego Novillo <dnovillo@redhat.com>
181 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
182 recompute_tree_invarant_for_addr_expr.
183 Update uses everywhere.
185 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
187 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
188 (MULTILIB_DIRNAMES): Define.
190 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
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.
198 2005-12-09 Thiemo Seufer <ths@networkno.de>
200 * config/mips/mips.c (override_options): Don't allow too small
201 integers in FP registers.
203 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
205 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
206 targetm.binds_local_p to check for local function calls.
208 2005-12-09 Alan Modra <amodra@bigpond.net.au>
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.
214 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
215 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
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.
225 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
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.
243 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
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.
250 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
252 * tree.h (DECL_EXTERNAL): Clarify documentation.
254 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
255 Jakub Jelinek <jakub@redhat.com>
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.
280 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
281 Andreas Tobler <a.tobler@schweiz.ch>
283 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
284 tr expression.
286 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
288 * expr.c (force_operand): Use convert_to_mode for conversions.
290 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
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.
296 2005-12-07 Richard Sandiford <richard@codesourcery.com>
297 Andreas Tobler <a.tobler@schweiz.ch>
299 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
301 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
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.
309 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
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.
319 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
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.
328 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
330 Fix PR tree-optimization/25291
331 * tree-ssa-operands.c (add_call_clobber_ops): Remove
332 redundant and crashing check.
334 2005-12-08 Alan Modra <amodra@bigpond.net.au>
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.
344 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
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.
358 2005-12-07 Richard Sandiford <richard@codesourcery.com>
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.
364 2005-12-07 Richard Sandiford <richard@codesourcery.com>
366 * coretypes.h (section): Provide dummy definition for target files.
367 * config/darwin.h: Revert previous change.
369 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
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.
376 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
378 * Makefile.in: Document the use of stamps.
380 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
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.
386 2005-12-07 Richard Sandiford <richard@codesourcery.com>
388 * gcc/reload.c (push_secondary_reload): Fix typo:
389 s/insn_constraint/scratch_constraint/.
391 2005-12-07 Richard Sandiford <richard@codesourcery.com>
393 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
395 2005-12-07 Richard Sandiford <richard@codesourcery.com>
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.
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.
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.
477 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
479 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
480 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
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.
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.
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.
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.
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.
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.
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.
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.
607 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
608 (mmix_asm_output_aligned_local): Use switch_to_section.
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.
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.
678 * config/sh/sh.c (sh_file_start): Use switch_to_section.
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.
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.
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.
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.
716 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
718 * config/vx-common.h (vxworks_exception_section): Delete.
719 (TARGET_ASM_EXCEPTION_SECTION): Delete.
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.
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.
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.
893 2005-12-07 Alan Modra <amodra@bigpond.net.au>
895 * gcc.c (init_gcc_specs): Match braces inside conditionally
896 compiled strings.
898 2005-12-06 Geoffrey Keating <geoffk@apple.com>
900 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
902 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
904 PR C++/24138
905 * tree.c (integer_all_onesp): Always return true if all bits on.
907 * testsuite/g++.dg/init/array0.C: New.
909 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
911 * doc/md.texi: Adapt to implementation.
913 2005-12-06 Andreas Schwab <schwab@suse.de>
915 * opts.c (decode_options): Fix typo in message.
917 2005-12-06 Alan Modra <amodra@bigpond.net.au>
919 PR other/13873
920 * longlong.h: Merge PPC tests from upstream.
922 2005-12-06 Richard Guenther <rguenther@suse.de>
924 * fold-const.c (fold_convert): Do not build and fold
925 CONVERT_EXPR, but always use NOP_EXPR.
927 2005-12-06 Jan Beulich <jbeulich@novell.com>
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.
935 2005-12-05 James E Wilson <wilson@specifix.com>
937 PR target/24934
938 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
939 is set.
941 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
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.
991 2005-12-05 Dale Johannesen <dalej@apple.com>
993 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
994 what was approved (PR 24323).
996 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
998 * doc/c-tree.texi (Function Bodies): Remove description of
999 RETURN_INIT.
1001 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
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.
1010 2005-12-05 Geoffrey Keating <geoffk@apple.com>
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.
1019 * config/darwin.c (machopic_select_section): It's not defined
1020 as weak if it's only marked as weak_import.
1022 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1023 Prototype.
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.
1046 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1047 we don't go into an infinite loop.
1049 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
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.
1057 2005-12-05 Jan Beulich <jbeulich@novell.com>
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.
1074 2005-12-05 Jan Beulich <jbeulich@novell.com>
1076 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1077 16 bits. Provide insn pattern for this case.
1079 2005-12-05 Jan Beulich <jbeulich@novell.com>
1081 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1082 result.
1083 (__popcountDI2): Likewise.
1085 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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.
1093 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
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.
1099 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
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.
1111 2005-12-04 Roger Sayle <roger@eyesopen.com>
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.
1120 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1122 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
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.
1138 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1140 PR rtl-optimization/25197
1141 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1142 have a reg.
1144 2005-12-02 Stuart Hastings <stuart@apple.com>
1146 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1147 warning.
1149 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
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.
1158 2005-12-03 Alan Modra <amodra@bigpond.net.au>
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.
1170 2005-12-02 Jakub Jelinek <jakub@redhat.com>
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.
1177 2005-12-02 Richard Guenther <rguenther@suse.de>
1179 * tree.h (build): Remove prototype.
1180 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1181 * tree.c (build): Remove.
1182 (build0_stat): Update comment.
1184 2005-12-02 Richard Guenther <rguenther@suse.de>
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.
1224 2005-12-02 Richard Guenther <rguenther@suse.de>
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.
1245 2005-12-02 Richard Guenther <rguenther@suse.de>
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.
1259 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1261 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1263 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1265 * ggc.h (GGC_RESIZEVEC): New.
1267 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1269 * gcc.c (execute): Improve readability.
1271 2005-12-02 Richard Guenther <rguenther@suse.de>
1273 * tree-cfg.c (mark_used_vars): New function.
1274 (dump_function_to_file): Dump only used VAR_DECLs.
1276 2005-12-02 Richard Guenther <rguenther@suse.de>
1278 * convert.c (convert_to_integer): Fix compare for nonpositive
1279 constant to use tree_int_cst_sgn <= 0.
1281 2005-12-02 Richard Guenther <rguenther@suse.de>
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.
1288 2005-12-02 Richard Guenther <rguenther@suse.de>
1290 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1291 and RROTATE_EXPR.
1293 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1295 PR target/21017
1296 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1297 rotates.
1299 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1301 PR middle-end/25176
1302 * function.c (expand_function_end): Emit blockage for unwinder
1303 after return label.
1305 2005-12-01 Roger Sayle <roger@eyesopen.com>
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.
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>
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.
1381 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1383 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1384 Delete dead code.
1386 2005-12-01 Richard Henderson <rth@redhat.com>
1388 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1390 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1392 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1394 * config/pa/pa.c (pa_init_builtins): If we detect
1395 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1396 putc_unlocked.
1398 2005-12-01 Richard Guenther <rguenther@suse.de>
1400 * fold-const.c (fold_binary): Use fold_build2, not
1401 fold (build (...)).
1403 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
1405 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1407 * vec.h (VEC_block_remove): New.
1409 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
1411 PR c/13384
1412 * c-common.c (lvalue_error): Fix wording.
1414 2005-12-01 Richard Guenther <rguenther@suse.de>
1416 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1417 thinko in last patch.
1419 2005-12-01 Geoffrey Keating <geoffk@apple.com>
1421 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1422 than -flat_namespace.
1424 2005-12-01 Ben Elliston <bje@au.ibm.com>
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.
1430 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1432 PR middle-end/25158
1433 * builtins.c (fold_builtin_fputs): Defer check for missing
1434 replacement functions.
1436 2005-11-30 Kean Johnston <jkj@sco.com>
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.
1441 2005-11-30 Richard Guenther <rguenther@suse.de>
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.
1449 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
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.
1466 2005-11-30 Dale Johannesen <dalej@apple.com>
1467 Andrew Pinski <pinskia@physics.uc.edu>
1469 * combine.c (find_split_point): Sign extend bitmask
1470 when changing bitfield assignment to IOR of AND.
1472 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
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.
1483 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1484 Bernd Schmidt <bernd.schmidt@analog.com>
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.
1496 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1498 * loop-doloop.c (add_test): Only add jump notes if we did emit a
1499 jump.
1501 2005-11-30 Jeff Law <law@redhat.com>
1503 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1504 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1506 2005-11-30 Jakub Jelinek <jakub@redhat.com>
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.
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.
1516 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
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.
1526 2005-11-29 Evan Cheng <evan.cheng@apple.com>
1528 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1529 moves and unpack to speed up.
1531 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
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.
1539 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1541 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1543 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1544 the if.
1546 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
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.
1552 2005-11-29 Ben Elliston <bje@au.ibm.com>
1554 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1555 Fix typo in comment.
1557 2005-11-29 Ben Elliston <bje@au.ibm.com>
1559 * Makefile.in (clean-target): Depend on clean-target-libgcc.
1560 (clean-target-libgcc): Import rule from the top-level Makefile.in.
1562 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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.
1574 2005-11-29 Paul Brook <paul@codesourcery.com>
1576 * config.gcc: Do not use fixproto on m68k-elf.
1578 2005-11-28 Roger Sayle <roger@eyesopen.com>
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.
1588 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1590 PR libfortran/24991
1591 * config/darwin.c (machopic_indirection_name,
1592 machopic_output_indirection): Follow transparent alias chain.
1594 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1596 * varasm.c (ultimate_transparent_alias_target): Add comment.
1598 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
1600 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1601 SET_SRC instead of XEXP where appropriate.
1603 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1605 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1606 __builtin_expect.
1608 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
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.
1614 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
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.
1624 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
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.
1633 2005-11-28 Richard Guenther <rguenther@suse.de>
1635 * c-common.c (strict_aliasing_warning): Handle all
1636 component-ref like accesses.
1638 2005-11-28 Roger Sayle <roger@eyesopen.com>
1639 Uros Bizjak <uros@kss-loka.si>
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.
1647 Move x/expN(y) and x/pow(y,z) transformation into common
1648 flag_unsafe_math_optimizations section.
1650 2005-11-27 Mark Mitchell <mark@codesourcery.com>
1652 * gcc.c (main): Change type of argv to "char **".
1654 2005-11-28 Alan Modra <amodra@bigpond.net.au>
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.
1665 2005-11-28 Alan Modra <amodra@bigpond.net.au>
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.
1675 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
1677 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1679 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
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.
1686 2005-11-27 Andreas Schwab <schwab@suse.de>
1688 * config/m68k/m68k.c: Reindent and fix whitespace, remove
1689 redundant parens.
1691 2005-11-27 Steven Bosscher <stevenb@suse.de>
1693 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1694 has EH predecessor edges.
1696 2005-11-26 Eric Christopher <echristo@apple.com>
1698 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1699 register stalls by zero extending to the full register.
1701 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
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.
1709 2005-11-26 Richard Henderson <rth@redhat.com>
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.
1719 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
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.
1725 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
1727 * doc/md.texi (Insn Canonicalizations): Refer to the
1728 function commutative_operand_precedence for further rules.
1730 2005-11-25 Roger Sayle <roger@eyesopen.com>
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.
1737 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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.
1745 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
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.
1752 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
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.
1758 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
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.
1765 2005-11-25 Alan Modra <amodra@bigpond.net.au>
1767 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1768 (__floatundidf, __floatundisf): Likewise.
1770 2005-11-25 David Edelsohn <edelsohn@gnu.org>
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.
1782 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1784 PR middle-end/24989
1785 * fold-const.c (fold_build): Convert bool_var != 1 and
1786 bool_var == 0 to !bool_var.
1788 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
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 !=.
1794 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1796 PR middle-end/24998
1797 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1798 unsigned conversions from SImode to TFmode.
1800 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
1802 * expr.c (expand_expr_real_1): Fix error in last change.
1804 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1806 * caller-save.c: (this_insn_sets): Move into:
1807 (save_call_clobbered_regs).
1808 (mark_set_regs): Get this_insn_sets from data.
1810 (save_call_clobbered_regs): Take sets of the return value by
1811 sibcalls into account.
1813 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1814 PR target/21623:
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.
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).
1872 2005-11-24 Uros Bizjak <uros@kss-loka.si>
1874 * configure.ac: Require at least texinfo 4.4.
1875 * configure: Regenerate.
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.
1886 2005-11-24 Richard Guenther <rguenther@suse.de>
1887 Dirk Mueller <dmueller@suse.de>
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.
1895 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1897 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1898 to order operands.
1899 (swap_commutative_operands_with_target): New.
1901 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
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.
1906 2005-11-24 Ben Elliston <bje@au.ibm.com>
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.
1918 2005-11-24 Ben Elliston <bje@au.ibm.com>
1920 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1921 Remove unused `class' variable.
1923 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
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.
1931 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
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++.
1937 2005-11-23 Mark Mitchell <mark@codesourcery.com>
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.
1945 2005-11-23 Diego Novillo <dnovillo@redhat.com>
1947 * passes.c (init_optimization_passes): Document
1948 sequencing of passes.
1950 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
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.
1959 2005-11-23 Ben Elliston <bje@au.ibm.com>
1961 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1963 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
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.
1979 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
1981 PR middle-end/22561
1982 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1984 2005-11-22 Ian Lance Taylor <ian@airs.com>
1986 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1987 a mode_class.
1988 (prepare_cmp_insn): Likewise.
1990 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
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.
1996 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
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.
2003 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2005 PR target/24988
2006 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2007 to SUBTARGET_OS_CPP_BUILTINS.
2009 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
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.
2023 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2025 PR target/24954
2026 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2027 typo last change.
2029 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2031 PR middle-end/24950
2032 * expmed.c (store_bit_field): Don't attempt to insv a field
2033 larger than the reg.
2035 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2037 PR target/24954
2038 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2039 explicit sign extension, not a (char) cast.
2041 2005-11-22 Ben Elliston <bje@au.ibm.com>
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.
2053 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2055 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2056 flag_pic is set.
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__.
2071 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2072 are both defined when either flag -fpic or -fPIC are used.
2074 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
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.
2091 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
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.
2100 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
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.
2106 2005-11-22 Ben Elliston <bje@au.ibm.com>
2108 * cse.c (fold_rtx): Typo fix.
2109 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2111 2005-11-21 Richard Henderson <rth@redhat.com>
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.
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.
2121 2005-11-22 Ben Elliston <bje@au.ibm.com>
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.
2146 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2148 PR target/24951
2149 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2150 cst2 only for SPE vectors.
2152 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2154 PR target/24953
2155 * config/rs6000/predicates.md (vrsave_operation): Check
2156 UNSPEC_VOLATILE value.
2158 2005-11-21 Jan Hubicka <jh@suse.cz>
2160 PR tree-optimization/24653
2161 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2163 2005-11-21 Uros Bizjak <uros@kss-loka.si>
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.
2171 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2173 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2174 if we don't care about NaNs or Infinities.
2176 2005-11-20 Ian Lance Taylor <ian@airs.com>
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.
2182 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2184 PR middle-end/20583
2185 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2187 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2189 * combine.c (try_combine): Do not run subst on i1src and i2src in
2190 the case of generating a PARALLEL for a comparison.
2192 2005-11-20 Richard Henderson <rth@redhat.com>
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.
2204 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
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.
2214 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2216 2005-11-20 Graham Stott <btinternet.com>
2218 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2220 2005-11-20 Andreas Schwab <schwab@suse.de>
2222 PR target/24757
2223 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2224 insn.
2226 2005-11-19 Richard Henderson <rth@redhat.com>
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.
2235 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2237 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2238 than VR1 or vice-versa.
2240 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
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.
2251 2005-11-19 Richard Guenther <rguenther@suse.de>
2253 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2254 ARRAY_REFs of constant strings.
2256 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2258 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2259 fatal format string.
2261 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2263 * combine.c (make_compound_operation): Swap operands of
2264 commutative operation if necessary before returning.
2266 2005-11-19 Richard Guenther <rguenther@suse.de>
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.
2273 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
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.
2283 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2285 * BASE-VER: Change to 4.2.0.
2287 2005-11-18 James E Wilson <wilson@specifix.com>
2289 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2290 returning it.
2292 2005-11-18 Mike Stump <mrs@apple.com>
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.
2303 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
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.
2309 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
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.
2315 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2317 * config/bfin/bfin.md (trap): New pattern.
2319 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2321 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2322 on types.
2324 * expr.c (expand_expr_real): Don't call record_block_change unless
2325 ib_boundaries_block is non-null
2327 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2329 * fold-const.c (build_range_check): Use proper type for subtraction
2330 when merging lower bound.
2332 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2334 PR rtl-optimization/24497
2335 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2336 the copied insn.
2338 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2340 * tree-scalar-evolution.c (expression_expensive_p): New function.
2341 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2343 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2345 * config/bfin/crtlibid.s: New file.
2347 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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.
2368 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
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.
2377 2005-11-17 James E Wilson <wilson@specifix.com>
2379 * tree.def (FUNCTION_DECL): Correct typo in comment.
2381 2005-11-17 Richard Henderson <rth@redhat.com>
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.
2399 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
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.
2407 2005-11-16 Richard Guenther <rguenther@suse.de>
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.
2416 2005-11-16 Richard Henderson <rth@redhat.com>
2418 PR middle-end/23497
2419 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2420 parts of an SSA_NAME.
2422 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
2424 PR target/24861
2425 * arm.md (split for movsf with immediate): Restrict split to insns
2426 that set a general register.
2428 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
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.
2437 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2439 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2441 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2443 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2444 langhook to get a DImode integer type.
2446 2005-11-16 Richard Henderson <rth@redhat.com>
2447 J"orn Rennecke <joern.rennecke@st.com>
2448 Ulrich Weigand <uweigand@de.ibm.com>
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.
2463 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
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.
2469 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
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.
2494 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
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.
2519 2005-11-16 David Edelsohn <edelsohn@gnu.org>
2521 PR target/24772
2522 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2524 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2525 roundsf2): Remove "s" from mnemonic.
2527 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
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__.
2536 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
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'.
2545 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2547 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2548 in the stack probing loop.
2550 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2552 * configure.ac: Use .machine power5 not power5x.
2553 * configure: Regenerate.
2555 2005-11-15 Mike Stump <mrs@apple.com>
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.
2562 2005-11-16 Alan Modra <amodra@bigpond.net.au>
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.
2574 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2576 * c.opt (ffixed-line-length-none): New.
2578 2005-11-15 Steve Ellcey <sje@cup.hp.com>
2580 * mklibgcc.in: Change contents of eh_dummy.c.
2582 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2584 * loop.c (scan_loop): Do not insert temporaries for hard registers.
2586 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
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.
2592 2005-11-15 Jan Hubicka <jh@suse.cz>
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.
2598 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
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.
2605 2005-11-14 David Edelsohn <edelsohn@gnu.org>
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.
2628 2005-11-14 Geoffrey Keating <geoffk@apple.com>
2630 * gcc.c (version_compare_spec_function): Use fatal() rather than
2631 abort().
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.
2640 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2641 on -mmacosx-version-min setting.
2643 2005-11-14 Diego Novillo <dnovillo@redhat.com>
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.
2649 2005-11-14 Mike Stump <mrs@apple.com>
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.
2655 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
2657 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2658 vfork after including auto-host.h.
2660 2005-11-15 Alan Modra <amodra@bigpond.net.au>
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.
2667 2005-11-14 Dale Johannesen <dalej@apple.com>
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.
2674 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
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.
2686 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2688 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2689 REQ_EQUIV note.
2691 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
2693 * loop-invariant.c: Include tm_p.h.
2694 * Makefile.in: Updated.
2696 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2698 * pa.c (store_reg): Revise generation of frame notes in large frames.
2699 (set_reg_plus_d): Likewise.
2701 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
2703 PR tree-optimization/24709
2704 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2705 loop check.
2707 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2709 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2710 and duplicate declaration of pthread_self.
2712 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
2713 Ian Lance Taylor <ian@airs.com>
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.
2719 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
2721 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2722 checking.
2724 2005-11-13 Jason Merrill <jason@redhat.com>
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.
2733 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
2735 PR middle-end/24820
2736 * builtins.c (integer_valued_real_p): Add break in
2737 REAL_CST having TREE_OVERFLOW set.
2739 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
2741 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2742 addressing modes during calculation of costs.
2744 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
2746 * function.c (assign_stack_local_1): Restrict sanity check
2747 on frame size overflow to 32-bit and above platforms.
2749 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
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.
2757 2005-11-12 Richard Guenther <rguenther@suse.de>
2759 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2761 2005-11-12 Jan Hubicka <jh@suse.cz>
2763 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2764 to compare against 0 when possible.
2766 2005-11-12 Jie Zhang <jie.zhang@analog.com>
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.
2774 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2776 * recog.c (constrain_operands) <case 'g'>: For a match, require
2777 that a non-register matches general_operand when strict >= 0.
2779 2005-11-11 Steven Bosscher <stevenb@suse.de>
2781 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2782 previous checkin.
2784 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
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.
2790 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2792 PR middle-end/24750
2793 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2794 ZERO_EXTEND>: New cases.
2796 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2798 * longlong.h (__clz_tab): Always provide.
2800 2005-11-11 Steven Bosscher <stevenb@suse.de>
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.
2812 2005-11-11 David Edelsohn <edelsohn@gnu.org>
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.
2820 * doc/md.texi (copysign): Document standard named pattern.
2822 2005-11-11 Jie Zhang <jie.zhang@analog.com>
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.
2829 2005-11-11 Jason Merrill <jason@redhat.com>
2831 PR c++/24686
2832 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2833 the cleanup list.
2835 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2837 PR rtl-optimization/22509
2838 * local-alloc.c (memref_used_between_p): Check whether a function call
2839 could not reference the memref.
2841 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
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.
2847 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
2849 PR target/24445
2850 * calls.c (expand_call): Copy a return value to a plain register
2851 if needed.
2853 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
2855 PR target/24778
2856 * varasm.c (assemble_name): Recompute name only for transparent
2857 aliases.
2859 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
2861 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2863 2005-11-04 Jeff Law <law@redhat.com>
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.
2870 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
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.
2897 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2899 PR middle-end/22127
2900 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2902 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
2904 * tree.c (int_fits_type_p): Only look at the base type
2905 if it has the same precision as the original type.
2907 2005-11-10 Jakub Jelinek <jakub@redhat.com>
2909 PR other/4372
2910 * varasm.c (assemble_alias): Use %q+D in the error
2911 message instead of %J and %qD.
2913 2005-11-10 Richard Guenther <rguenther@suse.de>
2915 * gcse.c (free_ldst_entry): Only free hashtable if
2916 it exists.
2918 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2920 * function.c (assign_stack_local_1): Issue an error message if
2921 the frame size overflows in the signed target arithmetics.
2923 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
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.
2931 2005-11-09 Jakub Jelinek <jakub@redhat.com>
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.
2937 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
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.
2943 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
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.
2951 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
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.
2973 2005-11-09 Richard Guenther <rguenther@suse.de>
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.
2979 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
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.
2986 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
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.
2994 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
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.
3005 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
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.
3011 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3013 PR 24034
3014 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3015 is live afterwards.
3017 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3019 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3020 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3022 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
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.
3055 2005-11-09 Per Bothner <per@bothner.com>
3056 Uros Bizjak <uros@kss-loka.si>
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.
3062 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3064 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3065 DBX_REGISTER_NUMBER being contiguous.
3067 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3068 Diego Novillo <dnovillo@redhat.com>
3070 PR 23046
3071 * tree-vrp.c (register_edge_assert_for): Do not register
3072 always-false predicates.
3074 2005-11-08 Devang Patel <dpatel@apple.com>
3076 PR tree-optimization/23115
3077 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3078 relation.
3080 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3082 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3083 -mcpu=440.
3085 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3087 Fix PR tree-optimization/23382
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.
3100 2005-11-08 Jason Merrill <jason@redhat.com>
3102 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3104 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3106 PR target/19340
3107 * reg-stack.c (reg_to_stack): Update register liveness also
3108 for flag_sched2_use_traces.
3110 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3112 PR target/23704
3113 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3114 override prior explicit -mno-powerpc-gfxopt.
3116 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
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.
3122 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3123 (TARGET_PASS_BY_REFERENCE): Likewise.
3125 2005-11-07 Ian Lance Taylor <ian@airs.com>
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.
3131 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3133 * configure.ac: Enable checking assembler dwarf2 support for bfin
3134 target.
3135 * configure: Regenerate.
3137 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3139 PR target/24230
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.
3155 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3157 PR c/24599
3159 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3160 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3162 2005-11-07 Jakub Jelinek <jakub@redhat.com>
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.
3170 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3172 PR 24670
3173 * tree-vrp.c (fix_equivalence_set): New.
3174 (extract_range_from_assert): Call it.
3176 2005-11-05 Ian Lance Taylor <ian@airs.com>
3178 PR target/22432
3179 * combine.c (apply_distributive_law): Don't distribute across a
3180 vector mode subreg.
3182 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
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.
3191 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
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.
3217 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
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.
3230 2005-11-05 Jan Hubicka <jh@suse.cz>
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.
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.
3248 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3250 PR target/23424
3251 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3252 Disable.
3254 2005-11-04 Jeff Law <law@redhat.com>
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.
3264 2005-11-03 Diego Novillo <dnovillo@redhat.com>
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.
3270 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
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.
3278 2005-11-04 Richard Guenther <rguenther@suse.de>
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.
3291 2005-11-04 Paul Brook <paul@codesourcery.com>
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.
3299 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3301 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3302 __aeabi_uidiv.
3304 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3305 Daniel Jacobowitz <dan@codesourcery.com>
3307 * longlong.h (add_ssaaaa): Clobber condition code register
3308 in ARM version.
3309 (sub_ddmmss): Likewise.
3310 (umul_ppmm): Likewise.
3312 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3313 Paul Brook <paul@codesourcery.com>
3314 Phil Blundell <pb@reciva.com>
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.
3359 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
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.
3368 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
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.
3378 2005-11-03 David Edelsohn <edelsohn@gnu.org>
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.
3392 2005-11-04 Alan Modra <amodra@bigpond.net.au>
3394 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3395 Use associated print macros.
3397 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
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.
3404 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
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.
3419 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
3421 PR tree-optimization/24483
3422 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3423 field to elts if possible.
3425 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3427 PR middle-end/23155
3428 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3429 CONSTRUCTOR.
3431 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
3433 Fix PR tree-optimization/24351
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.
3447 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3449 PR middle-end/24589
3450 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3451 expressions to a statement list instead of gimplifying them.
3453 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
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.
3459 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
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.
3466 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
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.
3472 2005-11-02 Richard Henderson <rth@redhat.com>
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.
3505 2005-11-02 Jan Hubicka <jh@suse.cz>
3507 PR target/23303
3508 * i386.md: Add peep2 for simplyfing array accesses.
3510 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
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.
3520 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3522 PR target/24600
3523 * loop.c (loop_givs_rescan): Use force_operand to expand
3524 complex GIVs.
3526 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
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.
3533 2005-11-02 Richard Henderson <rth@redhat.com>
3535 PR target/24178
3536 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3537 by MEM_ALIGN.
3539 2005-11-01 Richard Henderson <rth@redhat.com>
3541 PR 21518
3542 * loop.c (scan_loop): Do not propagate computations to a hard
3543 register destination with SMALL_REGISTER_CLASSES.
3545 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
3547 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3548 costs for MULT inside PLUS or MINUS.
3550 2005-11-01 Bob Wilson <bob.wilson@acm.org>
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.
3556 2005-10-31 James E. Wilson <wilson@specifix.com>
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.
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.
3569 2005-10-31 Jan Hubicka <jh@suse.cz>
3571 PR middle-end/24093
3572 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3574 PR target/20928
3575 * i386.c (legitimize_pic_address): Deal with large immediates.
3577 PR profile/20815
3578 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3579 from symbol names while computing checkup.
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.
3586 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
3588 PR tree-optimization/19097
3589 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3591 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
3593 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3595 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
3597 PR middle-end/23492
3598 * tree-inline.c (setup_one_parameter): If the init_stmt
3599 is NULL, don't insert the statement.
3601 2005-10-30 Jan Hubicka <jh@suse.cz>
3603 PR tree-optimization/24172
3604 * tree-inline.c (copy_body_r): Unshare the substituted value first.
3606 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
3608 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3609 constants for hosts with long != 32 bits.
3611 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
3613 PR middle-end/24093
3614 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3616 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
3618 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3619 (TARGET_MS1_16_002): New.
3620 (TARGET_MS1_16_003): New.
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.
3629 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
3631 PR middle-end/24362
3632 * tree-complex.c (extract_component): Treat RESULT_DECL
3633 like the rest of the decls.
3635 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
3637 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3638 indirect call to _mcount if the function needs a static chain.
3640 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
3641 Caroline Tice <ctice@apple.com>
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.
3658 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
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.
3664 2005-10-24 James E. Wilson <wilson@specifix.com>
3666 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3667 add_dependence_list_and_free calls.
3669 2005-10-24 Steven Bosscher <stevenb@suse.de>
3671 * contrib.texi: Add the names of the LLNL folks who donated
3672 Cray pointer support for gfortran.
3674 2005-10-24 Steven Bosscher <stevenb@suse.de>
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.
3680 2005-10-24 Richard Henderson <rth@redhat.com>
3682 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3683 parallel.
3684 (hppa_expand_prologue): Likewise.
3686 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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.
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.
3704 2005-10-24 Alan Modra <amodra@bigpond.net.au>
3706 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3707 peculiarity of GOT/TOC section usage.
3709 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
3711 PR objc/24435
3712 * c-common.c (constant_string_class_name): Add documentation.
3714 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
3716 PR target/23832
3717 * recog.c (peephole2_optimize): Increment peep2_current_count
3718 only when the slot is empty.
3720 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3722 PR ada/23957
3723 * except.c (output_function_exception_table): Call
3724 assemble_external_libcall if we need a personality function.
3726 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3728 PR rtl-optimization/24460
3729 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3730 set the basic block for barriers.
3732 2005-10-21 Janis Johnson <janis187@us.ibm.com>
3734 * var-tracking.c (vt_initialize): Initialize post.
3736 2005-10-21 Devang Patel <dpatel@apple.com>
3738 PR/24220
3739 * c-common.c (vector_types_convertible_p): Check vector element type.
3741 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
3743 * config/sh/sh.c (prepare_move_operands): Handle the address
3744 constant which is a tls symbolic address plus a constant.
3746 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
3748 PR driver/24473
3749 * gcc.c (main): Use the correct counter for erroring out
3750 about mulitple files.
3752 2005-10-21 Alan Modra <amodra@bigpond.net.au>
3754 PR target/24465
3755 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3756 use r2 for 64-bit tls .got access.
3758 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
3760 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3761 TRUTH_OR_EXPR.
3763 2005-10-20 Steven Bosscher <stevenb@suse.de>
3765 PR tree-optimization/24307
3766 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3768 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
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.
3776 2005-10-20 Richard Guenther <rguenther@suse.de>
3778 PR c++/24439
3779 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3780 void type operands.
3782 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
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.
3800 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
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.
3813 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
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.
3821 2005-10-19 Steven Bosscher <stevenb@suse.de>
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.
3829 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
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.
3835 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
3837 * config/sh/sh.c (fixup_mova): Skip notes.
3839 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
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.
3852 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3854 * config/s390/s390.md: Comment describing output modifiers updated.
3855 * config/s390/s390.c (print_operand): Likewise.
3857 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
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.
3863 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
3865 PR #19672
3866 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3868 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
3870 Fix PR tree-optimization/24231
3872 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3873 (compute_avail): Ditto.
3875 2005-10-18 Richard Henderson <rth@redhat.com>
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.
3893 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
3895 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3896 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3898 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
3899 Ian Lance Taylor <ian@airs.com>
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.
3905 2005-10-17 Richard Henderson <rth@redhat.com>
3907 * builtins.c (expand_builtin_synchronize): Build a new-style asm
3908 with a memory clobber.
3910 2005-10-17 James E Wilson <wilson@specifix.com>
3912 PR rtl-optimization/17356
3913 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3914 checking for EDGE_EH.
3916 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
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.
3921 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
3923 PR target/23424
3924 * md.texi (Modifiers) <%>: Clarify that % doesn't work
3925 after register allocation.
3927 2005-10-17 DJ Delorie <dj@redhat.com>
3929 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3930 as frame related.
3932 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
3934 PR c++/22551
3935 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3936 overflow flags.
3938 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
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.
3945 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
3947 * config/crx/crx.md: Compare-and-branch instructions need to
3948 invalidate CC.
3950 2005-10-17 Uros Bizjak <uros@kss-loka.si>
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).
3958 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
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.
3969 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
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.
3977 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
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.
3987 PR middle-end/24341
3988 * builtins.c (get_builtin_sync_mode): Make unlimited
3989 mode_for_size request.
3991 2005-10-15 Richard Henderson <rth@redhat.com>
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.
3998 2005-10-15 Richard Henderson <rth@redhat.com>
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.
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.
4011 2005-10-15 James E Wilson <wilson@specifix.com>
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.
4019 2005-10-15 Diego Novillo <dnovillo@redhat.com>
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.
4029 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4031 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4032 function comment.
4034 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4036 PR c/23439
4037 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4038 to initialize loc.
4040 2005-10-14 Per Bothner <per@bothner.com>
4042 PR preprocessor/21250
4043 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4045 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
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.
4051 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
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.
4058 2005-10-13 James E Wilson <wilson@specifix.com>
4060 * doc/invoke.texi: For -x, add f95-cpp-input.
4061 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4063 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4065 PR tree-optimization/24262
4066 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4067 in loop all the time.
4069 2005-10-12 Richard Henderson <rth@redhat.com>
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.
4083 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4085 PR target/24284
4086 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4087 (gen_stack_pointer_dec): Likewise.
4089 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
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
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.
4121 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4122 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
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.
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.
4148 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4150 * combine.c (make_extraction): Correct offset computation.
4152 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4154 * config/cris/t-linux (LIMITS_H_TEST): Define.
4156 2005-10-12 Richard Henderson <rth@redhat.com>
4158 PR rtl-opt/23324
4159 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4161 2005-10-12 Richard Guenther <rguenther@suse.de>
4163 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4165 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
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.
4172 2005-10-12 Richard Guenther <rguenther@suse.de>
4174 PR c++/23799
4175 * varasm.c (output_constant): Correct typo from previous
4176 patch by DJ.
4178 2005-10-11 Ian Lance Taylor <ian@airs.com>
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.
4187 2005-10-11 Richard Henderson <rth@redhat.com>
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.
4193 2005-10-11 Richard Henderson <rth@redhat.com>
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.
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.
4206 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
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.
4213 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
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.
4219 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4221 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4223 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4225 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4226 for setting MMX register to 0 rather than mmx.
4228 2005-10-10 Steve Ellcey <sje@cup.hp.com>
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.
4236 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4238 PR target/24284
4239 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4241 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4243 * gcc.c (do_spec_1): Accept numeric characters in file name
4244 suffixes.
4246 2005-10-10 Nick Clifton <nickc@redhat.com>
4248 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4249 describing the deleted arm_gen_rotated_half_load function.
4251 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4253 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4254 __fpscr_values.
4256 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
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.
4269 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
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.
4277 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4279 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4281 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4283 PR target/24136
4284 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4285 Rewrite for no need for the early clobber.
4287 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
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.
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.
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.
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.
4313 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4314 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4316 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4317 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
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.
4330 2005-10-08 Steven Bosscher <stevenb@suse.de>
4332 PR other/22202
4333 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4334 spaces.
4335 (PARAM_SMS_DFA_HISTORY): Likewise.
4337 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
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.
4345 2005-10-07 James E. Wilson <wilson@specifix.com>
4347 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4348 DImode not VECINT24 for operand 2.
4350 PR target/23644
4351 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4352 -mtune-arch.
4354 PR target/24193
4355 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4356 fr_spill): Use destination_operand for operand 0.
4358 2005-10-07 DJ Delorie <dj@redhat.com>
4360 * varasm.c (output_constant): Limit error to expanding
4361 conversions.
4363 2005-10-07 Richard Guenther <rguenther@suse.de>
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.
4371 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4373 * stor-layout.c (layout_type): Do not allow alignment of array
4374 elements to be greater than their size.
4376 2005-10-07 Steve Ellcey <sje@cup.hp.com>
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.
4388 2005-10-07 Jeff Law <law@redhat.com>
4390 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4391 determine whether or not to try and thread outgoing edges.
4393 2005-10-07 David Edelsohn <edelsohn@gnu.org>
4395 * config/rs6000/rs6000.md (eqsi_power): New.
4396 (neg_eq0si): Add TARGET_POWER to final condition.
4397 (neg_eqsi): Same.
4399 2005-10-06 Richard Henderson <rth@redhat.com>
4401 * config/rs6000/rs6000.c: Revert last change.
4403 2005-10-06 Richard Henderson <rth@redhat.com>
4405 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4406 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4408 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
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.
4415 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4417 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4418 change.
4420 2005-10-06 Richard Henderson <rth@redhat.com>
4422 PR tree-opt/22237
4423 * tree-inline.c (declare_return_variable): Handle modify_dest not
4424 being a DECL.
4426 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4428 Fix PR tree-optimization/22488
4429 * tree-ssa-structalias.c (check_for_overlaps): New function.
4430 (create_variable_info_for): Use it.
4432 2005-10-06 Richard Henderson <rth@redhat.com>
4434 PR debug/24070
4435 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4436 (dwarf2out_start_source_file): Print it.
4438 2005-10-06 Geoffrey Keating <geoffk@apple.com>
4440 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4442 2005-10-06 Richard Henderson <rth@redhat.com>
4444 PR 23706
4445 * mode-switching.c (optimize_mode_switching): Clear transp bit
4446 for block with incomming abnormal edges.
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.
4453 2005-10-06 David Edelsohn <edelsohn@gnu.org>
4455 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4456 (eq<mode>_compare): Same.
4458 2005-10-06 Richard Guenther <rguenther@suse.de>
4460 PR tree-optimization/24238
4461 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4463 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
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.
4472 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
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.
4479 2005-10-06 Richard Henderson <rth@redhat.com>
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.
4486 2005-10-05 Devang Patel <dpatel@apple.com>
4488 PR Debug/23205
4489 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4490 handling constants. Check NAMESPACE_DECL context for constants.
4492 2005-10-05 Eric Christopher <echristo@apple.com>
4494 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4496 2005-10-05 Richard Henderson <rth@redhat.com>
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.
4504 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
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.
4511 2005-10-05 David Edelsohn <edelsohn@gnu.org>
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.
4517 2005-10-05 Richard Henderson <rth@redhat.com>
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.
4525 2005-10-05 Steve Ellcey <sje@cup.hp.com>
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.
4532 2005-10-05 Dale Johannesen <dalej@apple.com>
4534 * convert.c (convert_to_real): Don't convert
4535 (float)floor(double d) to floorf((float)d).
4537 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
4539 * config/arm/arm.md (insv): Use gen_int_mode in more places.
4541 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
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.
4569 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
4571 PR tree-optimization/21419
4572 PR tree-optimization/24146
4573 PR tree-optimization/24151
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.
4579 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
4580 Paolo Bonzini <bonzini@gnu.org>
4582 PR target/23809
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.
4588 2005-10-04 Geoffrey Keating <geoffk@apple.com>
4590 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4592 * doc/invoke.texi (Option Summary): Correct spelling
4593 of -mmacosx-version-min.
4595 2005-10-04 Devang Patel <dpatel@apple.com>
4597 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4598 real types.
4600 2005-10-04 Steve Ellcey <sje@cup.hp.com>
4602 * tree-vect-transform.c (vect_create_epilog_for_reduction):
4603 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4605 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
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.
4614 2005-10-04 Ian Lance Taylor <ian@airs.com>
4616 PR preprocessor/13726
4617 * c-ppoutput.c (cb_include): Add comments parameter, and print out
4618 any comments passed in.
4620 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4622 * tree.c (annotate_with_file_line): Fix typo.
4624 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
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.
4632 2005-10-04 Uros Bizjak <uros@kss-loka.si>
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.
4640 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
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.
4646 2005-10-04 Richard Guenther <rguenther@suse.de>
4648 PR c/23576
4649 * c-decl.c (grokdeclarator): Don't write to fields
4650 of error_mark_node.
4652 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
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 '*'.
4661 2005-10-04 Steven Bosscher <stevenb@suse.de>
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.
4670 2005-10-03 Diego Novillo <dnovillo@redhat.com>
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.
4678 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
4680 * config/sh/sh.c (sh_register_move_cost): Add case for moving
4681 from T_REGS to FP register class.
4683 2005-10-03 Richard Henderson <rth@redhat.com>
4685 PR 24135
4686 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4687 before creating a new one.
4689 2005-10-03 David Edelsohn <edelsohn@gnu.org>
4691 * config/rs6000/t-aix43 (LDFLAGS): New.
4692 * config/rs6000/t-aix52 (LDFLAGS): New.
4694 2005-10-03 Ian Lance Taylor <ian@airs.com>
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.
4716 2005-10-02 Diego Novillo <dnovillo@redhat.com>
4718 PR 24142
4719 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4720 case of anti-ranges.
4722 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
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/.
4745 2005-10-02 Matthias Klose <doko@debian.org>
4747 * doc/invoke.texi: Fix typo and speling error.
4749 2005-10-01 Richard Henderson <rth@redhat.com>
4751 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4753 2005-10-01 Mark Mitchell <mark@codesourcery.com>
4755 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4756 using --start-group and --end-group.
4758 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4760 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4761 FIXME note regarding quirky semantics.
4763 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4765 PR 24141
4766 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4767 non-null range as a last resort.
4769 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
4770 Diego Novillo <dnovillo@redhat.com>
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.
4777 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
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.
4784 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
4786 * reload1.c (merge_assigned_reloads): Do not change any
4787 RELOAD_FOR_OUTPUT_ADDRESS reloads.
4789 2005-09-30 Geoffrey Keating <geoffk@apple.com>
4791 * Makefile.in (LIPO_FOR_TARGET): Define.
4792 (STRIP_FOR_TARGET): Define.
4794 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4795 before creating new ones. Do symlinks before creating the actual
4796 targets.
4798 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4799 to work out which multilibs are actually being built.
4801 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
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.
4808 2005-09-30 Andrew Macleod <amacleod@redat.com>
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.
4817 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4819 PR middle-end/24053
4820 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4822 2005-09-29 Mark Mitchell <mark@codesourcery.com>
4824 * optabs.c (expand_binop): Initialize first_pass_p.
4826 2005-09-29 Jakub Jelinek <jakub@redhat.com>
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.
4832 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
4834 Fix PR tree-optimization/24117
4835 * tree-ssa-structalias.c (find_func_aliases): Strip nops
4836 before considering whether to use anyoffset.
4838 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4840 Revert this patch:
4842 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4844 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4845 to order operands.
4846 (swap_commutative_operands_with_target): New.
4848 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4850 PR c/21419
4851 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4852 read-only.
4854 2005-09-29 Steven Bosscher <stevenb@suse.de>
4856 PR tree-optimization/23911
4857 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4858 and IMAGPART_EXPR too.
4860 2005-09-28 Mark Mitchell <mark@codesourcery.com>
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.
4871 2005-09-29 Alan Modra <amodra@bigpond.net.au>
4873 PR target/24102
4874 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4875 check for numbers that need no bit twiddle.
4877 2005-09-28 Geoffrey Keating <geoffk@apple.com>
4879 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4880 multilib to be built.
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.
4911 2005-09-28 Paul Brook <paul@codesourcery.com>
4913 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4914 denormals.
4916 2005-09-28 Richard Guenther <rguenther@suse.de>
4918 PR tree-optimization/23853
4919 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4920 host_integerp to verify misalignment value.
4922 2005-09-28 Richard Henderson <rth@redhat.com>
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.
4931 2005-09-28 Nick Clifton <nickc@redhat.com>
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.
4937 * config/v850/v850.md (casesi): Disable the generation of the
4938 switch pattern as it is not being handled properly at the moment.
4940 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4941 for when the high words are identical.
4943 2005-09-27 Richard Henderson <rth@redhat.com>
4945 * pretty-print.c (pp_base_format): Fix typo for %>.
4947 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
4948 Devang Patel <dpatel@apple.com>
4950 PR tree-optimization/23625
4951 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4952 LABEL_EXPR, assertion check.
4954 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
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.
4960 2005-09-27 Jeff Law <law@redhat.com>
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.
4973 2005-09-27 Nick Clifton <nickc@redhat.com>
4975 * libgcc2.c (__popcount_tab): Remove redundant prototype.
4977 2005-09-26 Jason Merrill <jason@redhat.com>
4979 PR c++/13764
4980 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4982 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4984 2005-09-26 James E Wilson <wilson@specifix.com>
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.
4992 2005-09-26 Jeff Law <law@redhat.com>
4994 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4995 about when to iterate.
4997 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
4999 PR target/23847
5000 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5001 for __complex__ double in -mcpu=G5 mode.
5003 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
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.
5018 2005-09-26 Uros Bizjak <uros@kss-loka.si>
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.
5024 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5026 * combine.c (make_extraction): Check for valid use of subreg.
5028 2005-09-26 Uros Bizjak <uros@kss-loka.si>
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.
5035 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5037 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5038 CALL_INSN_FUNCTION_USAGE.
5040 2005-09-26 Richard Guenther <rguenther@suse.de>
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.
5055 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5057 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5058 and arg1 if we are passing them to fold_build2.
5060 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5062 PR 23828
5063 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5064 a nested function.
5066 2005-09-25 Richard Henderson <rth@redhat.com>
5068 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5069 SYMBOL_REF_TLS_MODEL to be correct.
5071 2005-09-24 Richard Henderson <rth@redhat.com>
5073 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5074 end of function. Reindent.
5076 2005-09-24 Ian Lance Taylor <ian@airs.com>
5078 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5079 NEGATE_EXPR/BIT_NOT_EXPR case.
5081 2005-09-24 Richard Henderson <rth@redhat.com>
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.
5088 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
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.
5094 2005-09-24 Jan Hubicka <jh@suse.cz>
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.
5111 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5112 Pete Steinmetz <steinmtz@us.ibm.com>
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.
5138 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5139 Andrew Pinski <pinskia@physics.uc.edu>
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.
5150 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5152 PR middle-end/23991
5153 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5154 case, define as macros.
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.
5160 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5161 (no_conflict_move_test): Update comments.
5163 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5165 * doc/install.texi: Update URL for Jacks.
5166 * doc/sourcebuild.texi: Likewise.
5168 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5170 PR target/24007
5171 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5172 registers when choosing register preferences.
5173 (movdf_hardfloat64): Same.
5175 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
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.
5181 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5183 PR tree-optimization/22438
5184 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5185 preserved iv rhs rewriting specially.
5187 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
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.
5198 2005-09-21 DJ Delorie <dj@redhat.com>
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.
5210 2005-09-21 Uros Bizjak <uros@kss-loka.si>
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.
5216 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
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.
5225 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
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.
5236 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
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.
5249 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5251 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5253 2005-09-20 Richard Henderson <rth@redhat.com>
5255 PR tree-optimization/24059
5256 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5257 EXPAND_STACK_PARM.
5259 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
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.
5267 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5269 PR tree-optimization/23929
5270 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5271 if expr is NULL.
5273 PR tree-optimization/23818
5274 * tree-stdarg.c (execute_optimize_stdarg): Call
5275 calculate_dominance_info.
5277 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
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.
5289 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5291 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5292 base register if possible.
5294 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
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.
5306 2005-09-19 Richard Henderson <rth@redhat.com>
5308 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5309 (reduc_splus_v2df): New.
5311 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5313 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5314 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5316 2005-09-19 Richard Henderson <rth@redhat.com>
5318 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5319 vcondu<SSEMODE12>.
5321 2005-09-19 Richard Henderson <rth@redhat.com>
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.
5331 2005-09-19 Richard Henderson <rth@redhat.com>
5333 PR 23941
5334 * real.c (exact_real_truncate): Return false if the format cannot
5335 represent the number as a normal.
5337 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5338 for a memory source.
5340 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
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.
5347 2005-09-19 Richard Henderson <rth@redhat.com>
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.
5357 2005-09-19 Steven Bosscher <stevenb@suse.de>
5359 PR rtl-optimization/23943
5360 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5362 2005-09-18 Jan Hubicka <jh@suse.cz>
5364 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5366 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5368 * varasm.c (output_constant): Do not abort on conversions to union
5369 types between different sizes.
5371 2005-09-18 Richard Guenther <rguenther@suse.de>
5373 PR middle-end/23944
5374 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5375 fallback.
5377 2005-09-18 Paul Brook <paul@codesourcery.com>
5379 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5381 2005-09-17 Richard Henderson <rth@redhat.com>
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.
5388 2005-09-17 Richard Henderson <rth@redhat.com>
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.
5398 2005-09-17 Jan Hubicka <jh@suse.cz>
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.
5413 2005-09-17 David Edelsohn <edelsohn@gnu.org>
5415 PR middle-end/22067
5416 * expmed.c (expand_mult): Substitute simple register for op0 when
5417 computing max_cost.
5419 2005-09-17 Richard Henderson <rth@redhat.com>
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.
5428 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
5430 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5431 between different sizes.
5433 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
5435 PR 23903
5437 * passes.c (init_optimization_passes): Register dump files for
5438 IPA passes first.
5440 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
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.
5448 2005-09-16 Richard Guenther <rguenther@suse.de>
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.
5454 2005-09-15 DJ Delorie <dj@redhat.com>
5456 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5458 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5460 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5461 to order operands.
5462 (swap_commutative_operands_with_target): New.
5464 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
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.
5474 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
5476 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5477 as addressable.
5479 2005-09-15 Michael Matz <matz@suse.de>
5481 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5483 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
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).
5489 2005-09-14 Richard Henderson <rth@redhat.com>
5491 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5492 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5494 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
5496 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5497 in the ARRAY_TYPE case.
5499 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
5501 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5503 2005-09-14 Uros Bizjak <uros@kss-loka.si>
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.
5513 2005-09-14 Olivier Hainque <hainque@adacore.com>
5515 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5516 value if it has side-effects.
5518 2005-09-14 David Edelsohn <edelsohn@gnu.org>
5520 PR target/22068
5521 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5523 2005-09-14 Alan Modra <amodra@bigpond.net.au>
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.
5528 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
5530 * config/sh/sh.md (*movv4sf_i): Add general register cases to
5531 the constraints.
5533 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
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.
5538 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5540 * tree.c (annotate_with_file_line): Compare line numbers before
5541 file names.
5543 2005-09-13 Uros Bizjak <uros@kss-loka.si>
5545 PR target/23816
5546 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5547 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5549 2005-09-13 Ian Lance Taylor <ian@airs.com>
5551 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5552 than a HOST_WIDEST_INT to gen_doloop_begin.
5554 2005-09-13 Diego Novillo <dnovillo@redhat.com>
5556 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5558 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
5560 PR tree-optimize/23817
5561 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5563 2005-09-13 Alan Modra <amodra@bigpond.net.au>
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.
5572 2005-09-12 Ian Lance Taylor <ian@airs.com>
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.
5579 2005-09-12 Josh Conner <jconner@apple.com>
5581 PR middle-end/23237
5582 * ipa-reference.c (static_execute): Don't mark variables in
5583 named sections TREE_READONLY.
5585 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5587 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5588 stack_tie.
5590 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
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.
5598 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
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.
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.
5610 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
5612 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5614 2005-09-12 Alan Modra <amodra@bigpond.net.au>
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.
5620 2005-09-11 David Edelsohn <edelsohn@gnu.org>
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.
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().
5636 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
5638 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5639 handle CALL_EXPR again.
5641 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
5643 * arm/predicates.md (alignable_memory_operand): Delete.
5645 2005-09-10 Richard Henderson <rth@redhat.com>
5647 PR debug/23806
5648 * dbxout.c (dbxout_expand_expr): New.
5649 (dbxout_symbol): Use it.
5651 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
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.
5664 2005-09-09 Richard Henderson <rth@redhat.com>
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.
5672 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
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.
5679 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
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.
5685 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
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.
5702 2005-09-09 Richard Guenther <rguenther@suse.de>
5704 PR c++/23624
5705 * fold-const.c (fold_ternary): Check truth_value_p before
5706 calling invert_truthvalue.
5708 2005-09-09 Nick Clifton <nickc@redhat.com>
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.
5723 2005-09-08 Josh Conner <jconner@apple.com>
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.
5730 2005-09-08 Richard Henderson <rth@redhat.com>
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.
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.
5755 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
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.
5760 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
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 ().
5770 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
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.
5777 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5779 * tree-vrp.c (extract_range_from_expr): Move the check for non
5780 nullness after the check for gimple invariant.
5782 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5784 * tree.c (host_integerp, tree_low_cst): Correct function comment.
5786 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5788 PR target/23747
5789 * config/m32r.md (movmemsi_internal): Canonicalize order of
5790 operands in PLUS component of template.
5792 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
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.
5798 2005-09-07 Richard Henderson <rth@redhat.com>
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.
5838 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5840 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5841 version of GNU binutils for 4.x and later.
5843 2005-09-06 Mark Mitchell <mark@codesourcery.com>
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.
5850 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5852 PR target/8973
5853 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5854 returning from an interrupt handler.
5856 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5858 PR target/8972
5859 * config/arc/arc.c (output_shift): Add check for loop count when
5860 optimizing.
5862 2005-09-06 Steven Bosscher <stevenb@suse.de>
5864 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5865 form manually.
5866 (abs_replacement): Likewise.
5867 (pass_phiopt): Remove TODO_update_ssa.
5869 2005-09-06 Jakub Jelinek <jakub@redhat.com>
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.
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.
5884 2005-09-06 Olivier Hainque <hainque@adacore.com>
5885 Eric Botcazou <ebotcazou@adacore.com>
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.
5893 2005-09-06 Steven Bosscher <stevenb@suse.de>
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.
5899 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5901 * simplify-rtx.c (simplify_binary_operation_1): Correct the
5902 condition for detecting cases like (a&a) and (a^a).
5904 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
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.
5930 2005-09-06 Jakub Jelinek <jakub@redhat.com>
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.
5940 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
5942 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5943 STRICT_LOW_PART SETs.
5945 2005-09-06 Alan Modra <amodra@bigpond.net.au>
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.
5951 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
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.
5957 2005-09-05 DJ Delorie <dj@redhat.com>
5959 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5960 of macro.
5962 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
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.
5970 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
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.
5976 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
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.
5994 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5996 PR target/23721
5997 * pa.c (emit_move_sequence): Fix typo in last change.
5999 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6001 PR rtl-optimization/23454
6002 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6003 is true.
6005 2005-09-03 Richard Henderson <rth@redhat.com>
6006 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6008 PR middle-end/23671
6009 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6010 gen_rtx_MEM.
6012 2005-09-02 Nicolas Pitre <nico@cam.org>
6014 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6015 to bit_count to 32 bits.
6017 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6019 PR c++/23167
6020 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6021 generating synthetic loads from volatile lvalues.
6023 005-09-02 Nick Clifton <nickc@redhat.com>
6025 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6026 __ctzhi2, __clzhi2): New functions.
6028 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
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.
6044 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
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.
6052 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6054 PR tree-optimization/23626
6055 * tree-cfg.c (replace_uses_by): Clean up eh info.
6057 2005-09-01 DJ Delorie <dj@redhat.com>
6059 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6060 fprintf.
6062 2005-09-01 David Edelsohn <edelsohn@gnu.org>
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.
6068 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6070 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6071 do not issue warning for a variable definition following
6072 a declaration.
6074 2005-09-01 Richard Henderson <rth@redhat.com>
6076 PR 23668
6077 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6078 conversion to CONST_VECTOR.
6080 2005-09-01 Richard Henderson <rth@redhat.com>
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.
6087 2005-09-01 DJ Delorie <dj@redhat.com>
6089 * varasm.c (output_constant): Let the target resolve
6090 conversions of addresses to non-default pointer sizes.
6092 2005-09-01 Nicolas Pitre <nico@cam.org>
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.
6098 2005-09-01 Phil Edwards <phil@codesourcery.com>
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.
6106 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
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.
6112 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6114 PR debug/7241
6115 * dwarf2out.c (base_type_die): Compare char_type_node with
6116 TYPE_MAIN_VARIANT (type), not type.
6118 2005-09-01 Richard Guenther <rguenther@suse.de>
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.
6127 2005-09-01 Jakub Jelinek <jakub@redhat.com>
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.
6142 2005-09-01 Alan Modra <amodra@bigpond.net.au>
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.
6172 2005-08-31 DJ Delorie <dj@redhat.com>
6174 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6175 (m32c_asm_integer): Add support for 32 bit pointers.
6177 2005-08-31 Richard Henderson <rth@redhat.com>
6179 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6180 component-like references for setting MEM_NOTRAP_P.
6182 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6183 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6185 2005-08-31 Richard Henderson <rth@redhat.com>
6187 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6188 into a pseudo before applying gen_lowpart.
6190 2005-08-31 Geoffrey Keating <geoffk@apple.com>
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.
6197 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6199 PR target/21255
6200 * sh.c (print_operand, %R and %S): Add handling of floating point
6201 registers, memory, constants and invalid operands.
6203 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6205 * ipa-pure-const.c: Change dump name.
6207 2005-08-31 Uros Bizjak <uros@kss-loka.si>
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".
6214 2005-08-31 Dale Johannesen <dalej@apple.com>
6216 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6217 loops that count down.
6219 2005-08-31 Richard Henderson <rth@redhat.com>
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.
6231 2005-08-31 Richard Henderson <rth@redhat.com>
6233 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6234 fp return matching.
6236 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
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.
6242 2005-08-31 Richard Guenther <rguenther@suse.de>
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.
6249 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
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.
6255 2005-08-30 Richard Henderson <rth@redhat.com>
6257 PR target/23630
6258 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6259 whenever the mode sizes match.
6261 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6263 * calls.c (load_register_parameters): Fix comment typo.
6264 * expr.c (emit_push_insn): Comment formatting.
6266 2005-08-30 Ian Lance Taylor <ian@airs.com>
6268 * config/i386/x-cygwin (host-cygwin): Change dependency from
6269 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6271 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6273 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6274 parts of 'vals'.
6276 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6278 PR middle-end/23408
6279 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6280 call to ggc_collect.
6282 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
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).
6289 2005-08-29 Jakub Jelinek <jakub@redhat.com>
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.
6297 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6299 PR tree-optimization/23475
6300 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6301 and counts.
6303 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6305 Fix PR middle-end/22455
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.
6310 2005-08-28 Dale Johannesen <dalej@apple.com>
6312 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6314 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6316 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6318 2005-08-28 Richard Henderson <rth@redhat.com>
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.
6324 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6326 PR ada/23593
6327 * builtins.c (get_memory_rtx): Don't strip nops
6328 in between COMPONENT_REFs.
6330 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
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.
6338 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
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.
6344 2005-08-27 David Edelsohn <edelsohn@gnu.org>
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.
6351 2005-08-27 Richard Guenther <rguenther@suse.de>
6353 PR target/23575
6354 * config/i386/sse.md (sse2_movsd): Add missing closing
6355 braces.
6357 2005-08-27 Paul Brook <paul@codesourcery.com>
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.
6372 2005-08-26 Josh Conner <jconner@apple.com>
6374 PR middle-end/23584
6375 * ipa-pure-const.c (check_tree): Check for volatile-ness
6376 when considering a dereference.
6378 2005-08-27 Jakub Jelinek <jakub@redhat.com>
6380 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6382 2005-08-26 Jakub Jelinek <jakub@redhat.com>
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.
6392 2005-08-26 Richard Henderson <rth@redhat.com>
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.
6399 2005-08-26 Ian Lance Taylor <ian@airs.com>
6401 * combine.c (make_extraction): Avoid reference outside object.
6403 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
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.
6409 2005-08-26 Jakub Jelinek <jakub@redhat.com>
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.
6415 2005-08-26 David Edelsohn <edelsohn@gnu.org>
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.
6425 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6426 PROCESSOR_POWER4.
6428 2005-08-26 Nick Clifton <nickc@redhat.com>
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.
6441 2005-08-26 David Ung <davidu@mips.com>
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.
6448 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
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=.
6457 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
6459 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6460 (UNSPEC_MVST): New constant.
6462 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
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.
6468 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6469 Jan Hubicka <jh@suse.cz>
6471 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6473 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6475 PR tree-optimization/23546
6476 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6477 and REAL_CST nodes.
6479 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
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.
6486 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
6488 * config/darwin.h: define __PIC__
6489 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6490 TARGET_OS_CPP_BUILTINS macro.
6492 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6494 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6495 yesterday.
6497 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
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.
6526 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6528 * fold-const.c (ptr_difference_const): Use
6529 cst_and_fits_in_hwi instead of host_integerp.
6531 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6533 * config/darwin.c (gen_pic_offset): New.
6534 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
6535 Use it.
6537 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
6539 PR tree-optimization/23486
6540 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6542 2005-08-23 Phil Edwards <phil@codesourcery.com>
6544 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
6545 remove use_collect2.
6546 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
6548 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
6549 configuration files to override the default value.
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.
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.
6566 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
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.
6573 2005-08-24 Alan Modra <amodra@bigpond.net.au>
6575 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6576 * configure: Regenerate.
6578 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
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.
6587 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
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.
6593 2005-08-23 Mark Mitchell <mark@codesourcery.com>
6595 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6597 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
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.
6606 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6608 PR middle-end/23467
6609 * stor-layout.c (finalize_type_size): Dont override
6610 existing alignment with a smaller alignment from the mode.
6612 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
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.
6619 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
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.
6625 2005-08-23 Jakub Jelinek <jakub@redhat.com>
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.
6639 2005-08-23 Alan Modra <amodra@bigpond.net.au>
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.
6649 2005-08-23 David Edelsohn <edelsohn@gnu.org>
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.
6657 2005-08-23 Alan Modra <amodra@bigpond.net.au>
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.
6665 2005-08-22 Jakub Jelinek <jakub@redhat.com>
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.
6677 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
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.
6683 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
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.
6700 2005-08-22 Ira Rosen <irar@il.ibm.com>
6702 * config/rs6000/altivec.md (xorv4sf3): New.
6703 (negv4sf2, neg<mode>2): Likewise.
6705 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
6707 PR target/23485
6708 * config/ia64/ia64.md (divsi3): Check divide by zero.
6709 (udivsi3): Likewise.
6710 (divdi3): Likewise.
6711 (udivdi3): Likewise.
6713 2005-08-21 Jakub Jelinek <jakub@redhat.com>
6715 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6716 up to elem_bitsize bits, not max_bitsize.
6718 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
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.
6724 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
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.
6730 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
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.
6740 (vectorizable_reduction): Remove assert.
6742 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
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.
6754 2005-08-20 Jakub Jelinek <jakub@redhat.com>
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.
6764 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
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.
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.
6777 2005-08-19 David Edelsohn <edelsohn@gnu.org>
6779 * config/rs6000/rs6000.md (gt0<mode>): Delete.
6780 (gt0<mode>_compare): Delete.
6781 (neg_gt0<mode>): Delete.
6783 2005-08-19 Eric Christopher <echristo@apple.com>
6785 * optabs.h: Change CTI_ to COI_.
6786 * optabs.c: Ditto.
6788 2005-08-19 James E Wilson <wilson@specifix.com>
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.
6799 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6801 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6802 indicator. Return true if the flowgraph changed during
6803 cleanup.
6805 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6807 PR 23476
6808 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6809 conditional expression before testing its value.
6811 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6813 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6815 2005-08-19 Devang Patel <dpatel@apple.com>
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.
6824 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
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.
6836 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
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.
6842 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
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.
6849 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
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.
6859 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
6861 PR middle-end/20624
6862 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6863 looking past it.
6865 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6867 * collect2.c (dup2): Delete.
6868 * configure.ac: Don't check for dup2.
6870 * config.in, configure: Regenerate.
6872 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
6874 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6875 record with the type of its only member.
6877 2005-08-18 David Edelsohn <edelsohn@gnu.org>
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.
6885 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
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.
6898 2005-08-18 Jan Hubicka <jh@suse.cz>
6900 PR c++/22034
6901 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6902 info only for local statics, not for member variables.
6904 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6906 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6908 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6910 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6912 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
6914 PR middle-end/16045
6915 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6917 2005-08-17 James E Wilson <wilson@specifix.com>
6919 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6920 array size check.
6922 2005-08-17 David Edelsohn <edelsohn@gnu.org>
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.
6940 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
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.
6946 2005-08-17 James E Wilson <wilson@specifix.com>
6947 Kevin Winchester <winchester@amirix.com>
6949 PR target/21684
6950 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6952 2005-08-17 Uros Bizjak <uros@kss-loka.si>
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.
6958 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
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.
6963 * varasm.c (decode_reg_name): Skip empty additional register names.
6965 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
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".
6972 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6973 Andreas Krebbel <krebbel1@de.ibm.com>
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.
7016 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7018 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7020 2005-08-17 Nick Clifton <nickc@redhat.com>
7022 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7023 Call default_encode_section_info.
7025 2005-08-17 Steven Bosscher <stevenb@suse.de>
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.
7034 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
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.
7049 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
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.
7066 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7068 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7069 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7071 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
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.
7078 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7080 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7081 fxsave.
7083 2005-08-16 Ian Lance Taylor <ian@airs.com>
7085 * doc/tm.texi (Label Output): Correct typo.
7087 2005-08-16 Steven Bosscher <stevenb@suse.de>
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.
7093 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7095 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7097 2005-08-16 Ian Lance Taylor <ian@airs.com>
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.
7104 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7106 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7108 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7110 * doc/invoke.texi (Precompiled Headers): Document some more options
7111 which are known to be safe.
7113 2005-08-16 James E Wilson <wilson@specifix.com>
7115 PR tree-optimization/21105
7116 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7117 TREE_OVERFLOW check.
7119 2005-08-16 David Edelsohn <edelsohn@gnu.org>
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.
7126 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
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.
7133 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7134 Richard Shann <rshann@superh.com>
7136 PR middle-end/20396:
7137 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7139 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7141 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7143 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
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.
7150 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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.
7157 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7159 * simplify-rtx.c (simplify_const_relational_operation): When
7160 extracting arguments of a COMPARE, recompute the mode as well.
7162 2005-08-15 Ian Lance Taylor <ian@airs.com>
7164 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7166 2005-08-15 DJ Delorie <dj@redhat.com>
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.
7174 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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.
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.
7184 * configure, config.in: Regenerate.
7186 2005-08-15 David Edelsohn <edelsohn@gnu.org>
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.
7193 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7195 PR target/21841
7196 * doc/invoke.texi (-mgnu-ld): Update description.
7197 (-mhp-ld): Ditto.
7199 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
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.
7209 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
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.
7215 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7217 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7219 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
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.
7228 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7230 Fix PR tree-optimization/22615
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.
7242 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7244 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7245 over memory as first operand.
7247 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7249 PR target/23360
7250 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7251 available for setting it.
7253 2005-08-14 Ira Rosen <irar@il.ibm.com>
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.
7261 2005-08-14 Andreas Schwab <schwab@suse.de>
7263 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7265 2005-08-13 James E Wilson <wilson@specifix.com>
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'.
7273 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7274 macros.
7276 2005-08-13 David Edelsohn <edelsohn@gnu.org>
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".
7283 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
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.
7315 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
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.
7322 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7324 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7325 description of -Wold-style-casts.
7327 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7328 Jakub Jelinek <jakub@redhat.com>
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.
7342 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7344 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7346 2005-08-12 Paul Brook <paul@codesourcery.com>
7348 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7350 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
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.
7360 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
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.
7369 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
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.
7377 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
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.
7384 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
7386 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7387 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7389 2005-08-11 James E. Wilson <wilson@specifix.com>
7391 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7393 2005-08-11 Jakub Jelinek <jakub@redhat.com>
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.
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.
7406 2005-08-11 David Edelsohn <edelsohn@gnu.org>
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.
7414 2005-08-11 Richard Henderson <rth@redhat.com>
7416 PR middle-end/23312
7417 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7418 before using TYPE_IS_SIZETYPE.
7420 2005-08-11 Richard Henderson <rth@redhat.com>
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.
7427 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
7429 PR target/23250
7430 * arm.c (arm_override_options): If the user has selected callee-super-
7431 interworking, then enable normal interworking.
7433 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7435 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7436 redefinition.
7438 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
7440 * doc/rtl.texi: Fix two typos.
7442 2005-08-11 Richard Guenther <rguenther@suse.de>
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.
7448 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
7450 PR c++/23225
7451 * tree.c (build_pointer_type_for_mode): Robustify.
7453 2005-08-10 James E Wilson <wilson@specifix.com>
7455 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7456 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7458 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7459 "cum->".
7461 2005-08-10 Eric Christopher <echristo@apple.com>
7463 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7464 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7465 V2DFmode.
7467 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
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.
7473 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
7475 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7476 (x86_64-*-linux*): Likewise.
7478 * config/i386/crtfastmath.c: New file.
7479 * config/i386/t-crtfm: Likewise.
7481 * config/i386/linux.h (ENDFILE_SPEC): New.
7482 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7484 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7485 crtfastmath.o.
7487 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
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.
7493 2005-08-10 David Edelsohn <edelsohn@gnu.org>
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.
7499 2005-08-10 Richard Sandiford <richard@codesourcery.com>
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.
7508 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
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.
7536 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7538 PR 23309
7539 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7540 deciding which instruction sequence to use.
7542 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
7544 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7545 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7547 2005-08-09 Richard Guenther <rguenther@suse.de>
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.
7554 2005-08-09 Jie Zhang <jie.zhang@analog.com>
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.
7561 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
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.
7570 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
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.
7577 2005-08-09 Steven Bosscher <stevenb@suse.de>
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.
7587 2005-08-08 Richard Henderson <rth@redhat.com>
7589 PR 22439
7590 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7592 2005-08-08 Bob Wilson <bob.wilson@acm.org>
7594 * expr.c (write_complex_part): Return after handling MEM.
7596 2005-08-08 Josh Conner <jconner@apple.com>
7598 PR rtl-optimization/23241
7599 * combine.c (simplify_comparison): Fix error in determining
7600 whether to lift a subreg from comparison.
7602 2005-08-08 David Edelsohn <edelsohn@gnu.org>
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.
7626 2005-08-08 Jan Hubicka <jh@suse.cz>
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.
7633 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
7635 PR c++/21166
7636 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7638 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
7640 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7641 (test_for_singularity): Use fold_build2.
7643 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7645 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7647 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
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.
7656 2005-08-06 Richard Henderson <rth@redhat.com>
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.
7662 2005-08-06 Peter O'Gorman <peter@pogma.com>
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.
7668 2005-08-06 James E Wilson <wilson@specifix.com>
7670 * config/mips/cross64.h, config/mips/t-cross64: Delete.
7672 2005-08-06 Michael Matz <matz@suse.de>
7674 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7675 member only if only one insn is associated with the value.
7677 2005-08-06 Nick Clifton <nickc@redhat.com>
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.
7696 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
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.
7720 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
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.
7729 2005-08-06 Richard Sandiford <richard@codesourcery.com>
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.
7736 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
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.
7742 2005-08-05 Richard Henderson <rth@redhat.com>
7744 PR 21728
7745 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7746 FORCED_LABEL labels.
7748 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
7750 PR middle-end/23135
7751 * reload.c (find_reloads_subreg_address): Pass down TYPE
7752 unchanged. Change all callers except find_reloads_toplev.
7754 2005-08-05 Michael Matz <matz@suse.de>
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').
7765 2005-08-04 James E Wilson <wilson@specifix.com>
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.
7773 2005-08-04 Richard Henderson <rth@redhat.com>
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.
7781 2005-08-04 Richard Henderson <rth@redhat.com>
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.
7788 2005-08-04 Paul Brook <paul@codesourcery.com>
7790 * read-rtl.c (read_quoted_string): Break if EOF.
7792 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
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.
7810 2005-08-04 David Edelsohn <edelsohn@gnu.org>
7811 Ian Lance Taylor <ian@airs.com>
7813 * function.c (assign_stack_local_1): Do not correct stack slot
7814 address if allocation size is smaller than mode size.
7816 2005-08-04 Diego Novillo <dnovillo@redhat.com>
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.
7826 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
7828 * doc/install.texi (Binaries): Remove broken link to
7829 Sinix/Reliant Unix binaries.
7831 2005-08-03 Richard Henderson <rth@redhat.com>
7833 PR 23221
7834 * function.c (stack_protect_epilogue): Export.
7835 * tree.h (stack_protect_epilogue): Declare.
7836 * calls.c (expand_call): Call it.
7838 2005-08-03 Eric Christopher <echristo@apple.com>
7840 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7841 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7842 spec.
7844 2005-08-04 Jan Hubicka <jh@suse.cz>
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.
7850 2005-08-03 Paul Brook <paul@codesourcery.com>
7852 * function.c (assign_parms): Round current_function_args_size
7853 to PARM_BOUNDARY, not STACK_BOUNDARY.
7855 2005-08-03 Geoffrey Keating <geoffk@apple.com>
7857 * config/i386/i386.c (x86_elf_aligned_common)
7858 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7860 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
7862 PR tree-optimization/23157
7863 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7864 before emitting them.
7866 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
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.
7873 2005-08-03 Jan Hubicka <jh@suse.cz>
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.
7883 2005-08-03 Paul Brook <paul@codesourcery.com>
7885 * combine.c (can_change_dest_mode): New function.
7886 (try_combine, simplify_set): Use it.
7888 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
7890 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7891 TFmode to BLKmode.
7893 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
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.
7900 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
7902 * convert.c (convert_to_integer): Use fold_build1 instead of
7903 build1 when converting an integer to an integer.
7905 2005-08-02 Richard Henderson <rth@redhat.com>
7907 * combine.c (combine_instructions): Don't use reg_equal/equiv
7908 results if the mode doesn't match.
7910 2005-08-02 Mark Mitchell <mark@codesourcery.com>
7912 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7913 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7915 2005-08-02 Richard Henderson <rth@redhat.com>
7917 PR 23196
7918 * explow.c (memory_address): Remove special-case for
7919 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7921 2005-08-02 Diego Novillo <dnovillo@redhat.com>
7923 PR 23164
7924 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7925 number of calls to cleanup_tree_cfg_1.
7927 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
7929 * doc/invoke.texi: document file extensions .F90 and .F95
7931 2005-08-02 Richard Guenther <rguenther@suse.de>
7933 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7934 positive if its first argument is positive.
7936 2005-08-02 Richard Guenther <rguenther@suse.de>
7938 PR tree-optimization/23177
7939 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7940 on TMR_TAG.
7942 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
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.
7948 2005-08-02 Jan Hubicka <jh@suse.cz>
7950 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7951 * tree-ssa-threadupdate.c (thread_block): Add it here.
7953 2005-08-01 James E Wilson <wilson@specifix.com>
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.
7963 2005-08-01 Ian Lance Taylor <ian@airs.com>
7964 Richard Henderson <rth@redhat.com>
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.
7977 2005-08-01 Richard Henderson <rth@redhat.com>
7979 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7980 with auto-inc codes.
7982 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7984 2005-08-01 Jan Hubicka <jh@suse.cz>
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.
7991 2005-08-01 Ian Lance Taylor <ian@airs.com>
7993 * config/host-linux.c (linux_gt_pch_get_address): Add new name
7994 randomize_va_space for virtual address randomization control.
7996 2005-08-01 Steven Bosscher <stevenb@suse.de>
7998 * common.opt (flag_ipa_cp): Put in right place to maintain
7999 alphabetic sort.
8001 2005-08-01 Jan Hubicka <jh@suse.cz>
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.
8009 2005-08-01 Richard Guenther <rguenther@suse.de>
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.
8016 2005-08-01 Richard Guenther <rguenther@suse.de>
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.
8027 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
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.
8069 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
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.
8082 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
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.
8091 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8093 PR c/22311
8094 * c-typeck.c (build_binary_op): Use common_type wrapper on
8095 shortened types.
8096 (common_type): Update comment.
8098 2005-07-31 Steven Bosscher <stevenb@suse.de>
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.
8105 2005-07-31 Jan Hubicka <jh@suse.cz>
8107 * pretty-print.h (pp_widest_integer): New macro.
8108 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8109 counts.
8111 2005-07-31 Jan Hubicka <jh@suse.cz>
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.
8141 * invoke.texi (-mlarge_data_threshold): Document
8143 2005-07-31 Jan Hubicka <jh@suse.cz>
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.
8151 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
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.
8160 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8162 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8163 non-integral types.
8165 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8167 PR target/22582
8168 * doc/invoke.texi: Document -rdynamic.
8170 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
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.
8178 2005-07-30 Paul Brook <paul@codesourcery.com>
8180 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8182 2005-07-30 Paul Brook <paul@codesourcery.com>
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.
8190 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
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.
8202 2005-07-30 Jan Hubicka <jh@suse.cz>
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.
8210 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
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 ".".
8216 2005-07-29 David Edelsohn <edelsohn@gnu.org>
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.
8234 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8236 PR bootstrap/23131
8237 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8238 string.
8239 * configure: Regenerated.
8241 2005-07-29 Paul Brook <paul@codesourcery.com>
8243 * doc/install.texi: Add link to GFortran binaries wiki page.
8245 2005-07-29 David Ung <davidu@mips.com>
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.
8256 2005-07-29 Diego Novillo <dnovillo@redhat.com>
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.
8264 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
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.
8270 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8272 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8273 Fix comment typos.
8275 2005-07-29 Diego Novillo <dnovillo@redhat.com>
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.
8281 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8282 Steven Bosscher <stevenb@suse.de>
8284 PR rtl-optimization/23117
8285 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8286 when head == tail. Tidy comment.
8288 2005-07-28 Richard Henderson <rth@redhat.com>
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.
8299 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8301 PR c/22240
8302 * c-typeck.c (convert_for_assignment): Do not check
8303 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8305 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8307 PR c/22192
8308 * c-typeck.c (composite_type): Prefer constant size arrays to
8309 VLAs.
8311 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
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.
8317 2005-07-28 Richard Henderson <rth@redhat.com>
8319 PR rtl-opt/22619
8320 * cfgcleanup.c (try_forward_edges): Watch out for end of
8321 insn chain.
8323 2005-07-28 James E Wilson <wilson@specifixinc.com>
8325 PR c/23106
8326 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8328 2005-07-28 Jan Hubicka <jh@suse.cz>
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.
8366 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
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.
8381 * invoke.texi (min-inline-recursive-probability): Document.
8383 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
8385 * doc/install.texi (Configuration): Update Valgrind homepage.
8387 2005-07-28 Richard Henderson <rth@redhat.com>
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.
8394 2005-07-28 Richard Henderson <rth@redhat.com>
8396 PR target/17692
8397 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8398 when expanding to nothing.
8400 2005-07-28 Josh Conner <jconner@apple.com>
8402 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8403 (cgraph_decide_inlining_of_small_functions): Likewise.
8405 2005-07-28 Josh Conner <jconner@apple.com>
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.
8417 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
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.
8436 2005-07-28 Jeff Law <law@redhat.com>
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.
8442 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
8444 PR tree-optimization/22506
8445 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8446 phis whose argument is constant.
8448 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
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.
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.
8464 2005-07-28 Jan Hubicka <jh@suse.cz>
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.
8473 2005-07-28 Jan Beulich <jbeulich@novell.com>
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.
8505 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
8507 PR rtl-optimization/23047
8508 * simplify-rtx.c (simplify_const_relational_operation): Respect
8509 flag_wrapv for comparisons with ABS.
8511 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
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.
8517 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
8519 * config/frv/frv.opt (moptimize-membar): New.
8521 * doc/invoke.texi: Document -moptimize-membar and its inverse.
8523 * config/frv/frv.h: Remove machine_function definition.
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.
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.
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.
8557 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
8559 * df.c (df_uses_record): Handle SCRATCH.
8561 2005-07-28 Steven Bosscher <stevenb@suse.de>
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.
8567 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8569 * params.def: Fixed comment.
8571 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
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.
8578 2005-07-27 Steven Bosscher <stevenb@suse.de>
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.
8584 2005-07-25 Geoffrey Keating <geoffk@apple.com>
8586 * doc/install.texi (Prerequisites): Mention that perl is needed
8587 to do export control in libstdc++ targetting Darwin.
8589 2005-07-27 Steven Bosscher <stevenb@suse.de>
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.
8609 2005-07-27 Jeff Law <law@redhat.com>
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.
8616 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
8618 PR tree-optimization/23073
8619 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8620 vect_print_dump_info before fprintf.
8622 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8624 PR tree-optimize/22348
8625 * tree-ssa-loop-niter.c (number_of_iterations_cond):
8626 Fold the partial computation.
8628 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
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.
8639 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8641 PR tree-optimization/20773
8642 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8643 edge.
8645 2005-07-27 Richard Guenther <rguenther@suse.de>
8647 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8648 Avoid pushing again if current struct contains only
8649 fields we decomposed.
8651 2005-07-27 Jan Hubicka <jh@suse.cz>
8653 PR tree-optimization/22574
8654 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8655 not available.
8657 * tree-tailcall.c (decrease_profile): New function.
8658 (eliminate_tail_call): Use it.
8660 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8661 visibility flags correctly in whole program mode.
8663 2005-07-26 Steve Ellcey <sje@cup.hp.com>
8665 PR rtl-optimization/22472
8666 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8668 2005-07-26 Steven Bosscher <stevenb@suse.de>
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).
8674 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8676 * config.gcc (cpu_type): Add frv case.
8677 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8678 (supported_defaults): Add fr550 case.
8680 2005-07-26 Diego Novillo <dnovillo@redhat.com>
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 *.
8686 2005-07-26 DJ Delorie <dj@redhat.com>
8688 * configure: Regenerate.
8690 2005-07-26 Dale Johannesen <dalej@apple.com>
8692 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
8694 2005-07-26 Mark Mitchell <mark@codesourcery.com>
8696 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8697 Clarify use of "build" in name.
8699 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
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.
8727 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
8729 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8730 (rather than units) against HOST_BITS_PER_WIDE_INT.
8732 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
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.
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.
8746 2005-07-26 Richard Guenther <rguenther@suse.de>
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.
8753 2005-07-25 James E Wilson <wilson@specifixinc.com>
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.
8765 2005-07-26 Andreas Schwab <schwab@suse.de>
8767 PR rtl-optimization/23043
8768 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8769 when allocating a struct unoccr.
8771 2005-07-25 Richard Henderson <rth@redhat.com>
8773 PR 22626
8774 * tree-complex.c (gate_no_optimization): True if errors.
8775 * Makefile.in (tree-complex.o): Update dependencies.
8777 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
8779 * config/frv/predicates.md (integer_register_operand): Use
8780 GPR_AP_OR_PSEUDO_P.
8782 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
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.
8789 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8791 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8792 types when flag_unsafe_math_optimizations is true.
8794 2005-07-25 Mark Mitchell <mark@codesourcery.com>
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.
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.
8821 2005-07-25 Manfred Hollstein <mh@suse.com>
8823 * calls.c (store_one_arg): Fix unsigned comparison warning.
8825 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
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.
8831 2005-07-25 Richard Guenther <rguenther@suse.de>
8833 * tree-dfa.c (mark_new_vars_to_rename): Protect against
8834 calling with a PHI_NODE argument.
8836 * tree-flow-inline.h (overlap_subvar): Protect against
8837 possible overflow.
8839 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
8841 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8842 * configure: Regenerate.
8844 2005-07-25 Ira Rosen <irar@il.ibm.com>
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.
8933 2005-07-25 Jakub Jelinek <jakub@redhat.com>
8935 * calls.c (store_one_arg): Check for sibling call MEM arguments
8936 from already clobbered incoming argument area.
8938 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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.
8944 2005-07-24 Andreas Schwab <schwab@suse.de>
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.
8949 2005-07-23 Mark Mitchell <mark@codesourcery.com>
8951 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8952 variables as declarations, rather than definitions.
8954 2005-07-24 Ira Rosen <irar@il.ibm.com>
8956 PR tree-optimization/22526
8957 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8958 of the zero node.
8960 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
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.
8966 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8968 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8969 * configure.ac: Check for -Wmissing-format-attribute.
8971 * configure: Regenerate.
8973 2005-07-23 Richard Henderson <rth@redhat.com>
8975 PR tree-optimization/22623
8976 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8978 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
8980 PR target/22577
8981 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8983 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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.
8990 2005-07-23 Chao-ying Fu <fu@mips.com>
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.
9075 2005-07-22 DJ Delorie <dj@redhat.com>
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.
9081 2005-07-22 Mark Mitchell <mark@codesourcery.com>
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.
9091 2005-07-22 DJ Delorie <dj@redhat.com>
9093 * c-format.c (check_function_format): Change warning control
9094 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9096 2005-07-22 Diego Novillo <dnovillo@redhat.com>
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.
9103 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9105 PR rtl-optimization/20370
9106 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9107 call allocate_reg_info if necessary.
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.
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.
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.
9124 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9126 * config.gcc: Add crx-elf support.
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.
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.
9141 2005-07-22 Manfred Hollstein <mh@suse.com>
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.
9149 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9150 Laurent GUERBY <laurent@guerby.net>
9152 PR tree-optimization/22336
9153 * function.c (record_block_change): Check for
9154 cfun->ib_boundaries_block.
9156 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9158 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9159 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9161 2005-07-21 DJ Delorie <dj@redhat.com>
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.
9170 2005-07-21 Richard Henderson <rth@redhat.com>
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.
9186 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9188 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9189 revert to returning false.
9191 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9193 PR target/21149
9194 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9196 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9198 PR target/22576
9199 * config/i386/i386.md (cmpxf): Change operand constraints
9200 to "nonmemory_operand".
9202 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9204 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9206 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9208 PR middle-end/21180
9209 * fold-const.c (fold_build1): Add checksum for the operands.
9210 (fold_build2): Likewise.
9211 (fold_build3): Likewise.
9213 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9215 PR middle-end/19055
9216 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9218 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9220 * common.opt (-fforward-propagate): Committed by mistake,
9221 removed.
9223 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9225 * reg-stack.c: Fix comment typo(s).
9226 * tree-ssa-operands.c: Likewise.
9227 * tree-vectorizer: Likewise.
9229 2005-07-21 Nick Clifton <nickc@redhat.com>
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.
9241 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
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.
9253 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9254 Zdenek Dvorak <dvorakz@suse.cz>
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.
9274 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9276 PR rtl-optimization/22167
9277 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9279 2005-07-20 Adam Nemet <anemet@lnxw.com>
9281 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9282 __do_global_dtors_aux longcall.
9284 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
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.
9296 2005-07-20 DJ Delorie <dj@redhat.com>
9298 * config.gcc: Add m32c-elf support.
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.
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.
9328 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
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.
9337 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9339 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9341 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
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.
9355 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
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.
9367 * config/bfin/bfin.c: Include "langhooks.h".
9368 (def_builtin): Go through lang_hooks to call builtin_function.
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.
9394 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
9396 * doc/trouble.texi: Update section on handling of empty loops.
9398 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
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.
9409 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
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.
9441 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
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>.
9450 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
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.
9503 2005-07-19 Devang Patel <dpatel@apple.com>
9505 * dbxout.c (dbxout_type): Check Objective-C++ lang.
9507 2005-07-19 Richard Henderson <rth@redhat.com>
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.
9515 2005-07-15 DJ Delorie <dj@redhat.com>
9517 * toplev.h: Add comment about the first parameter for warning().
9518 * errors.h: Likewise.
9520 * c.opt (Wpragmas): New.
9521 * doc/invoke.texi: Document it.
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.
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.
9554 2005-07-19 Danny Berlin <dberlin@dberlin.org>
9555 Kenneth Zadeck <zadeck@naturalbridge.com>
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.
9566 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
9568 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9569 and *-*-freebsd9.
9570 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9572 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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.
9587 2005-07-19 Richard Guenther <rguenther@suse.de>
9589 * config/i386/i386.md (lrint<mode>2): Use temporary
9590 instead of clobbering non-existent memory.
9592 2005-07-19 Nick Clifton <nickc@redhat.com>
9594 * config/avr/avr.c (legitimate_address_p): Fix debugging print
9595 statement to avoid displaying ASCII control characters.
9597 2005-07-19 Ben Elliston <bje@au.ibm.com>
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.
9623 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
9625 Fix PR tree-optimization/22483
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.
9636 2005-07-19 Steven Bosscher <stevenb@suse.de>
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.
9653 2005-07-18 Ian Lance Taylor <ian@airs.com>
9655 PR middle-end/22057
9656 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9657 blocks when optimizing.
9659 2005-07-18 Steve Ellcey <sje@cup.hp.com>
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.
9668 2005-07-18 Jan Beulich <jbeulich@novell.com>
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.
9688 2005-07-18 Jan Beulich <jbeulich@novell.com>
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.
9695 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9697 Fix PR tree-optimization/22531
9698 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
9699 moment.
9701 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9703 * tree-promote-statics.c (pass_promote_statics): Change dump file
9704 name.
9706 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
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.
9716 2005-07-16 Richard Henderson <rth@redhat.com>
9718 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9720 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9721 Kenneth Zadeck <zadeck@naturalbridge.com>
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.
9765 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
9767 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9768 too.
9770 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9772 * doc/install.texi (*-*-solaris2*): Document recommended version
9773 of GNU binutils and mention GNU linker problem on Solaris 10.
9775 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
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.
9782 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9784 * c-typeck.c (digest_init): Call 'convert_for_assignment'
9785 before returning.
9787 2005-07-16 Jan Hubicka <jh@suse.cz>
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.
9793 2005-07-16 Jan Hubicka <jh@suse.cz>
9795 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9796 after RTL profiling.
9798 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
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.
9804 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
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.
9812 2005-07-15 Jan Hubicka <jh@suse.cz>
9814 * cfg.c (update_bb_profile_for_threading): More diagnostic.
9815 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9817 2005-07-15 Richard Guenther <rguenther@suse.de>
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.
9828 2005-07-14 David Edelsohn <edelsohn@gnu.org>
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.
9872 2005-07-14 Eric Christopher <echristo@redhat.com>
9874 * config/mips/mips.c (mips_canonicalize_comparison): Cast
9875 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9877 2005-07-14 Eric Christopher <echristo@redhat.com>
9879 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9881 2005-07-14 Steven Bosscher <stevenb@suse.de>
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".
9887 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
9888 Ulrich Weigand <uweigand@de.ibm.com>
9890 PR target/20126
9891 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9892 in some insn.
9894 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9896 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9898 2005-07-14 Steve Ellcey <sje@cup.hp.com>
9900 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9902 2005-07-14 Richard Guenther <rguenther@suse.de>
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.
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.
9923 2005-07-14 Richard Guenther <rguenther@suse.de>
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.
9944 2005-07-13 Ian Lance Taylor <ian@airs.com>
9946 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9948 2005-07-14 Jan Hubicka <jh@suse.cz>
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.
9958 2005-07-14 Ben Elliston <bje@au.ibm.com>
9960 * gcc.c (main): Compare language[0] with '*' when iterating over
9961 the infiles.
9963 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
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.
9976 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
9978 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9979 pattern.
9980 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9982 2005-07-13 Eric Christopher <echristo@redhat.com>
9984 * config/mips/mips.c (mips_canonicalize_comparison): New.
9985 (mips_emit_int_relational): Use.
9987 2005-07-13 Eric Christopher <echristo@redhat.com>
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.
9999 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10001 * doc/tm.texi: Remove @xref{Cross-profiling}.
10003 2005-07-13 Jeff Law <law@redhat.com>
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.
10009 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
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.
10027 * doc/tm.texi: Updated.
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.
10034 2005-07-13 Jan Hubicka <jh@suse.cz>
10036 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10038 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10040 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10041 structure as argument.
10043 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10045 PR tree-optimization/21921
10046 * tree-iterator.c (tsi_link_before): Support the case when
10047 tsi_end_p (tsi) == true.
10049 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10051 PR tree-optimization/22442
10052 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10053 correctly.
10055 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
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.
10063 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
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.
10069 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
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.
10086 2005-07-13 Jan Hubicka <jh@suse.cz>
10088 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10089 do unit-at-a-time.
10091 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10092 (get_expr_operands): Fix thinko wrt flags and subvars.
10094 PR tree-optimize/22379
10095 * tree-inline.c (expand_call_inline): Do not output sorry in early
10096 inlining.
10098 2005-07-12 Dale Johannesen <dalej@apple.com>
10100 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10102 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10104 PR bootstrap/21704
10105 * host-linux.h: Include limits.h.
10107 2005-07-12 Dale Johannesen <dalej@apple.com>
10109 * expr.c (compress_float_constant): Add cost check.
10110 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10112 2005-07-12 Dale Johannesen <dalej@apple.com>
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.
10121 2005-07-12 Eric Christopher <echristo@redhat.com>
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.
10133 2005-07-12 Eric Christopher <echristo@redhat.com>
10135 * gcc.c (struct infile): Update comment for language.
10136 (main): Rewrite input file resetting code.
10138 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
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.
10146 2005-07-12 Ben Elliston <bje@au.ibm.com>
10148 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10149 and use it when printing num_edges.
10151 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10153 * doc/extend.texi (Blackfin Built-in Functions): New section.
10154 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10155 @opindex.
10157 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
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.
10172 2005-07-11 Richard Henderson <rth@redhat.com>
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.
10186 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
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.
10196 2005-07-12 Peter Barada <peter@the-baradas.com>
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.
10206 2005-07-11 Ian Lance Taylor <ian@airs.com>
10208 * config/mips/mips.md (ffs<mode>2): Remove.
10210 2005-07-11 Ian Lance Taylor <ian@airs.com>
10212 * doc/tree-ssa.texi (Cleanups): Improve description of
10213 TRY_FINALLY_EXPR.
10214 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10216 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10218 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10219 * tree.h (DECL_ARGUMENT_FLD): New macro.
10221 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10223 Fix PR tree-optimization/22404
10225 * tree-ssa-structalias.c (create_variable_info_for): Use
10226 correct offset.
10228 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
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.
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.
10247 2005-07-11 Steven Bosscher <stevenb@suse.de>
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.
10261 2005-07-11 Richard Guenther <rguenther@suse.de>
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.
10269 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10271 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10272 (m32rle-*-linux*): Ditto.
10274 2005-07-11 Jakub Jelinek <jakub@redhat.com>
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.
10280 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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)).
10287 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
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.
10310 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10312 * tree-ssa-structalias.c (update_alias_info): Change counting of
10313 references to not include vdefs.
10315 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10317 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10318 (up_insert): Ditto.
10320 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10322 * pa.c (pa_commutative_p): Make PLUS commutative when
10323 TARGET_NO_SPACE_REGS is true.
10325 2005-07-09 Diego Novillo <dnovillo@redhat.com>
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.
10409 2005-07-09 Richard Henderson <rth@redhat.com>
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.
10431 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10433 PR 21356
10434 PR 22332
10435 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10437 2005-07-09 Jakub Jelinek <jakub@redhat.com>
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).
10442 2005-07-09 Richard SAndiford <richard@codesourcery.com>
10444 PR target/21656
10445 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10447 2005-07-08 David Edelsohn <edelsohn@gnu.org>
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.
10455 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
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.
10520 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10522 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10524 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
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.
10620 * doc/c-tree.texi: Add documentation on DECL node internal structure.
10622 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10624 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10625 * system.h: Poison FINALIZE_PIC.
10626 * doc/tm.texi (FINALIZE_PIC): Remove.
10628 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
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.
10634 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
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.
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.
10651 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10653 PR tree-opt/22356
10654 * tree-complex.c (expand_complex_libcall): Produce
10655 REALPART_EXPR/IMAGPART_EXPR with the correct type.
10657 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
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.
10664 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10666 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10667 (ENDFILE_SPEC): Likewise.
10668 * config/m32r/m32r.h (ASM_SPEC): Likewise.
10670 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10671 a large stack frame at epilogue.
10673 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
10675 * final.c: Include sdbout.h when required.
10677 2005-07-07 Geoffrey Keating <geoffk@apple.com>
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.
10709 2005-07-07 Ian Lance Taylor <ian@airs.com>
10711 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10713 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
10715 PR middle-end/22239
10716 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10718 2005-07-07 Khem Raj <kraj@mvista.com>
10720 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10721 in bytes, not words.
10723 2005-07-07 Paul Brook <paul@codesourcery.com>
10725 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10726 DEFAULT_FUNCTION_ARG_PADDING to upward.
10728 2005-07-07 Richard Henderson <rth@redhat.com>
10730 * function.c (locate_and_pad_parm): Record parameter alignment in
10731 stack_alignment_needed.
10733 2005-07-07 David Edelsohn <edelsohn@gnu.org>
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.
10769 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
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.
10775 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
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.
10790 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
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.
10802 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
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".
10809 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10811 * expr.c: (set_storage_via_setmem): Convert opchar to mode
10812 defined by back-end.
10814 2005-07-07 Jakub Jelinek <jakub@redhat.com>
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.
10821 2005-07-06 Jeff Law <law@redhat.com>
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.
10834 2005-07-06 James E. Wilson <wilson@specifixinc.com>
10836 * config/ia64/ia64.c (ia64_reorg): Check optimize before
10837 ia64_flag_schedule_isns2.
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.
10843 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
10845 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10846 (legitimize_tls_address): Use gcc_unreachable instead of abort.
10848 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
10850 * function.c (expand_function_end): Revert part of 2005-06-27
10851 patch. Do sjlj_emit_function_exit_after after return_label.
10853 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10855 * doc/install.texi (--disable-libssp): New.
10857 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
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.
10871 2005-07-06 Paul Brook <paul@codesourcery.com>
10873 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10874 argument is empty.
10875 * configure: Regenerate.
10877 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
10879 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10881 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
10883 Fix PR tree-optimization/22319
10884 Fix PR tree-optimization/22140
10885 Fix PR tree-optimization/22310
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.
10892 2005-07-06 Jakub Jelinek <jakub@redhat.com>
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.
10915 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
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.
10921 2005-07-06 Jakub Jelinek <jakub@redhat.com>
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.
10936 2005-07-06 Jeff Law <law@redhat.com>
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.
10945 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
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.
10953 2005-07-05 Devang Patel <dpatel@apple.com>
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.
10983 2005-07-05 Randolph Chung <tausq@debian.org>
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
11009 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11011 * aclocal.m4: Update macros for autoconf 2.59 style.
11012 * configure.ac: Likewise.
11014 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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.
11021 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11023 * Makefile.in (final.o): Fix dependencies.
11025 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
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.
11042 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
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.
11048 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
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.
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.
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.
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.
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.
11208 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
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.
11214 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
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.
11224 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11226 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11227 instead of $<. Don't remove ./as if it already exists.
11229 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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.
11248 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11250 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11251 to 0.
11253 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11255 * tree-ssa-structalias.c: Don't include expr.h.
11257 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11259 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11260 comments.
11262 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11264 Fix PR tree-optimization/22279
11266 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11267 correct operator.
11269 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11271 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11273 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
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.
11288 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
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.
11294 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11296 * pa.c (fix_range): Fix typo in comment.
11298 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11300 * tree-vrp.c (extract_range_from_assert): Replace
11301 fold (build (...)) with fold_build2.
11303 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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".
11310 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11312 * varasm.c (assemble_variable): Fix format specifier thinko.
11314 2005-07-03 Ira Rosen <irar@il.ibm.com>
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.
11320 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
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.
11326 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
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.
11332 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11333 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
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.
11344 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
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.
11370 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11372 PR middle-end/21742
11373 * expr.c (write_complex_part): Use adjust_address for MEM.
11374 (read_complex_part): Same.
11376 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
11378 Fix PR tree-optimization/22280
11380 * tree-sra.c (generate_element_init): Remove useless loop.
11382 2005-07-02 Richard Henderson <rth@redhat.com>
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.
11388 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
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".
11395 2005-07-02 Jeff Law <law@redhat.com>
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.
11402 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
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.
11412 2005-07-02 Zack Weinberg <zack@codesourcery.com>
11413 Joseph S. Myers <joseph@codesourcery.com>
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.
11431 2005-07-02 Jakub Jelinek <jakub@redhat.com>
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.
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.
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.
11464 2005-07-01 Richard Henderson <rth@redhat.com>
11466 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11467 void * before struct sigcontext *.
11468 (x86_fallback_frame_state): Likewise.
11470 2005-07-01 James E. Wilson <wilson@specifixinc.com>
11472 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11474 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11476 PR tree-opt/22269
11477 * tree-ssa-reassoc.c (should_transpose): Fix which operand
11478 we check for SSA_NAME for.
11480 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
11482 Fix PR tree-optimization/22071
11484 * tree-ssa-structalias.c (offset_overlaps_with_access): New
11485 function.
11486 (get_constraint_for_component_ref): Use it.
11488 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11490 PR other/22264
11491 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11492 print out the last new line.
11494 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
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.
11511 2005-07-01 Jakub Jelinek <jakub@redhat.com>
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.
11520 Older entries for 2005 can be found in ChangeLog-2005.