tree-flow.h: Allow compilation with a C++ compiler.
[gcc.git] / gcc / ChangeLog
1 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2
3 * tree-flow.h: Allow compilation with a C++ compiler.
4 (struct edge_prediction): Prefix all field names with "ep_".
5 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
6 (tree_predict_edge, combine_predictions_for_bb): Likewise.
7 (remove_predictions_associated_with_edge): Likewise.
8
9 2005-12-12 Jeff Law <law@redhat.com>
10
11 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
12 reassociation code.
13 * passes.c (init_optimization_passes): Run reassociation again
14 after loop optimizations.
15
16 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
17
18 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
19 if necessary.
20 (optimize_stmt): Ditto.
21 (canonicalize_comparison): New function.
22 * tree-ssa-operands.c (swap_tree_operands): Make external.
23 (get_expr_operands): Stop auto-canonicalization.
24 * tree-ssa-reassoc.c: Rewrite.
25 (init_optimization_passes):
26 * tree-flow.h (swap_tree_operands): Prototype.
27 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
28
29 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
30
31 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
32 indicate function epilogue has been output.
33 (pa_asm_output_mi_thunk): Likewise.
34 (output_deferred_plabels): Put plabels in readonly data section when
35 not generating PIC code.
36 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
37 information. Add assert.
38 (som_output_comdat_data_section_asm_op): New function.
39 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
40 instead of output_section_asm_op for COMDAT sections.
41
42 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
43
44 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
45 Fix whitespace in vincinity of to-be-installed changes.
46 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
47 (insns_match_p): Likewise.
48
49 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
50
51 * config.gcc (ms1): Replace with ...
52 (mt): ... this.
53 * config/ms1: Rename to ...
54 * config/mt: ... here. Rename ms1 files to mt.
55 * config/mt/mt.c: Adjust gt-mt.h #include.
56 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
57 (crti.o, crtn.o): Adjust file names.
58
59 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
60
61 * varray.h: Allow compilation with a C++ compiler.
62 (union varray_data_tag): Prefix all field names with "vdt_".
63 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
64 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
65 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
66 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
67 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
68 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
69 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
70 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
71 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
72 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
73 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
74 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
75 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
76 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
77 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
78 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
79 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
80 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
81 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
82 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
83 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
84 VARRAY_TOP_TREE_PTR): Likewise.
85 * varray.c (varray_grow): Likewise.
86 (varray_clear): Likewise.
87
88 2005-12-12 Alan Modra <amodra@bigpond.net.au>
89
90 PR target/25299
91 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
92 alignment to doubleword if the first field is a double array.
93 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
94
95 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
96
97 * tree-ssa-structalias.c (process_constraint): Remove code to
98 transform addressofs into scalar.
99 (create_variable_info_for): In whole-program IPA, globals don't
100 point to ANYTHING by default.
101
102 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
103
104 * timevar.def (TV_IPA_PTA): New.
105 * tree-pass.h (pass_ipa_pta): New
106 * tree-ssa-structalias.c: Include cgraph.h
107 (in_ipa_mode): New.
108 (predbitmap_obstack): New.
109 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
110 (struct constraint_stats): Add num_edges.
111 (new_var_info): Don't call bitmap_clear.
112 (struct constraint_edge): Update docs.
113 (new_constraint_edge): Remove src param.
114 (struct constraint_graph): Add zero_weight_succs,
115 zero_weight_preds. Update docs.
116 (constraint_expr_equal): Reformat.
117 (constraint_edge_equal): Update for removal of src.
118 (constraint_edge_less): Ditto.
119 (constraint_edge_vec_find): Ditto.
120 (erase_graph_self_edge): Update for removal of src and and zero
121 weight bitmap.
122 (clear_edges_for_node): Ditto.
123 (add_graph_edge): Ditto.
124 (get_graph_weights): Ditto.
125 (allocate_graph_weights): Ditto.
126 (merge_graph_nodes): Ditto.
127 (int_add_graph_edge): Ditto.
128 (valid_graph_edge): Ditto.
129 (valid_weighted_graph_edge): Ditto.
130 (build_constraint_graph): Ditto.
131 (scc_visit): Ditto.
132 (collapse_nodes): Ditto.
133 (process_unification_queue): Ditto.
134 (topo_visit): Ditto.
135 (solve_graph): Ditto.
136 (do_structure_copy): Ditto.
137 (perform_var_substitution): Ditto.
138 Init and release obstack.
139 (handle_ptr_arith): Try to resolve directly.
140 (find_func_aliases): Don't call update_alias_info here
141 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
142 (do_sd_constraint): Add code for propagating faster.
143 Update.
144 (do_ds_constraint): Ditto.
145 (count_num_arguments): New function.
146 (create_function_info_for): Ditto.
147 (create_variable_info_for): Handle FUNCTION_DECL.
148 (intra_create_variable_infos): Use make_constraint_to_anything.
149 (init_alias_vars): Init obstacks here.
150 (need_to_solve): Handle zero weight graph changes.
151 (compute_points_to_sets): Call update_alias_info here.
152 (delete_points_to_sets): Free zero weight preds/succs here.
153 (gate_ipa_pta): New.
154 (ipa_pta_execute): New
155
156 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
157
158 * tree-ssa-structalias.c (var_anyoffset): Removed.
159 (anyoffset_tree): Ditto.
160 (anyoffset_id): Ditto.
161 (do_deref): Take vector of constraints, no return value.
162 Update to work on vector.
163 (get_constraint_for): Ditto.
164 (get_constraint_for_component_ref): Ditto.
165 (do_structure_copy): Ditto.
166 (handle_ptr_arith): Ditto.
167 (find_func_aliases): Ditto.
168 (set_uids_in_ptset): Remove anyoffset handling.
169 (init_base_vars): Ditto.
170
171 2005-12-10 Mark Mitchell <mark@codesourcery.com>
172
173 PR c++/25010
174 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
175 DECL_EXTERNAL functions have no bodies. Tidy.
176
177 2005-12-10 Andreas Schwab <schwab@suse.de>
178
179 * except.c (switch_to_exception_section): Only define if
180 TARGET_UNWIND_INFO is not defined.
181
182 2005-12-10 Richard Sandiford <richard@codesourcery.com>
183
184 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
185 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
186
187 2005-12-10 Richard Sandiford <richard@codesourcery.com>
188
189 * output.h (init_section, fini_section): Delete.
190 * varasm.c (init_section, fini_section): Delete.
191 (init_varasm_once): Don't initialize them.
192 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
193 there are no corresponding varasm.c variables.
194
195 2005-12-10 Richard Sandiford <richard@codesourcery.com>
196
197 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
198 of EH_FRAME_SECTION_NAME into...
199 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
200 if it is still null.
201 * except.c (default_exception_section): Delete, moving most
202 of the code to...
203 (switch_to_exception_section): ...this new function. Set
204 exception_section if it is still null, then switch to it.
205 (output_function_exception_table): Use switch_to_exception_section.
206 * varasm.c (exception_section, eh_frame_section): Update comments.
207 (get_section): Hoist use of SECTION_NAMED.
208 (init_varasm_once): Don't set exception_section and eh_frame_section.
209 * output.h (default_exception_section): Delete.
210 (default_eh_frame_section): Delete.
211
212 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
213
214 * config/bfin/bfin.c: Include "cgraph.h".
215 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
216 Return the reg that holds the pointer to the GOT.
217 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
218 doing stack checking.
219
220 2005-12-09 Diego Novillo <dnovillo@redhat.com>
221
222 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
223 recompute_tree_invarant_for_addr_expr.
224 Update uses everywhere.
225
226 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
227
228 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
229 (MULTILIB_DIRNAMES): Define.
230
231 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
232
233 PR target/25311
234 * config/s390/s390.c (struct s390_address): New field literal_pool.
235 (s390_decompose_address): Compute literal_pool field. Do not
236 assume register %r13 is always (and solely) used as pool base.
237 (s390_extra_constraint_str): Use literal_pool field.
238
239 2005-12-09 Thiemo Seufer <ths@networkno.de>
240
241 * config/mips/mips.c (override_options): Don't allow too small
242 integers in FP registers.
243
244 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
245
246 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
247 targetm.binds_local_p to check for local function calls.
248
249 2005-12-09 Alan Modra <amodra@bigpond.net.au>
250
251 PR debug/24908
252 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
253 call_used_regs can't be used to save reg in another reg.
254
255 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
256 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
257
258 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
259 abort.
260 * except.c (output_ttype): Likewise.
261 * tree-object-size.c (collect_object_sizes_for): Likewise.
262 (check_for_plus_in_loops_1): Likewise.
263 (check_for_plus_in_loops): Likewise.
264 (compute_object_sizes): Use gcc_unreachable instead of abort.
265
266 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
267
268 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
269 (loop_end, loop_init, doloop_end): New insns.
270 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
271 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
272 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
273 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
274 * config/ms1/ms1.c: #include basic-block.h
275 (struct machine_function): Add has_loops field.
276 (ms1_add_loop): New.
277 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
278 (struct loop_info, struct loop_work): New.
279 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
280 (ms1_reorg_loops): New loop optimization.
281 (ms1_machine_reorg): Call it.
282 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
283
284 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
285
286 PR tree-optimization/25248
287 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
288 evolution_of_loop from the failed attempt. Remove handling
289 of MULT_EXPR.
290
291 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
292
293 * tree.h (DECL_EXTERNAL): Clarify documentation.
294
295 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
296 Jakub Jelinek <jakub@redhat.com>
297
298 PR target/25268
299 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
300 argument. Don't drop outer ANDs.
301 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
302 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
303 prototype.
304 * config/s390/predicates.md (setmem_operand): Remove.
305 (shift_count_operand): Rename to...
306 (shift_count_or_setmem_operand): ... this. Adjust
307 s390_decompose_shift_count caller.
308 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
309 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
310 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
311 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
312 rotl<mode>3_and, setmem_long_and): New insns.
313 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
314 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
315 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
316 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
317 of shift_count_operand.
318 (setmem_long): Use shift_count_or_setmem_operand instead of
319 setmem_operand.
320
321 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
322 Andreas Tobler <a.tobler@schweiz.ch>
323
324 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
325 tr expression.
326
327 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
328
329 * expr.c (force_operand): Use convert_to_mode for conversions.
330
331 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
332
333 * reload.h (reg_equiv_invariant): Declare.
334 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
335 register also when reg_equiv_invariant[R] is set.
336
337 2005-12-07 Richard Sandiford <richard@codesourcery.com>
338 Andreas Tobler <a.tobler@schweiz.ch>
339
340 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
341
342 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
343
344 * tree-ssa-pre.c (bitmap_set_and): New function.
345 (bitmap_set_and_compl): New function.
346 (bitmap_set_empty_p): New function.
347 (insert_extra_phis): New function.
348 (compute_avail): Use insert_extra_phis.
349
350 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
351
352 * config/s390/s390.c (s390_expand_atomic): New function.
353 Adjust comment of helper functions.
354 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
355 * config/s390/s390.md ("ATOMIC"): New code macro.
356 ("atomic"): Corresponding new code attribute.
357 ("sync_lock_test_and_set[hq]i",
358 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
359
360 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
361
362 * config/s390/s390.c (s390_expand_mask_and_shift,
363 struct alignment_context, init_alignment_context,
364 s390_expand_cs_hqi): New.
365 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
366 * config/s390/s390.md ("sync_compare_and_swaphi",
367 "sync_compare_and_swapqi"): New pattern.
368
369 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
370
371 Fix PR tree-optimization/25291
372 * tree-ssa-operands.c (add_call_clobber_ops): Remove
373 redundant and crashing check.
374
375 2005-12-08 Alan Modra <amodra@bigpond.net.au>
376
377 PR target/25212
378 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
379 tests further when !strict && reload_in_progress.
380 (print_operand): Check that both operands of indexed address are regs.
381 (print_operand_address): Likewise.
382 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
383 (INT_REG_OK_FOR_BASE_P): Correct.
384
385 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
386
387 Preparation for PR rtl-optimization/20070 / part1
388 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
389 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
390 outgoing_edges_match.
391 (outgoing_edges_match): Use condjump_equiv_p.
392 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
393 into..
394 * struct-equiv.c: New file.
395 (death_notes_match_p) New function, broken out of insns_match_p.
396 * Makefile.in (OBJS-common): Add struct-equiv.o.
397 (struct-equiv.o): New target.
398
399 2005-12-07 Richard Sandiford <richard@codesourcery.com>
400
401 * coretypes.h: Revert previous change.
402 * config/darwin.h: Revert previous reversion.
403 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
404
405 2005-12-07 Richard Sandiford <richard@codesourcery.com>
406
407 * coretypes.h (section): Provide dummy definition for target files.
408 * config/darwin.h: Revert previous change.
409
410 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
411
412 * doc/sourcebuild.texi (all.build, install-normal): Remove.
413 * configure.ac: Remove all.build and install-normal from target_list
414 * configure: Regenerate.
415 * Makefile.in (install): Don't depend on install-normal.
416
417 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
418
419 * Makefile.in: Document the use of stamps.
420
421 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
422
423 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
424 * Makefile.in: Add code to compute some dependencies on s-gtype
425 automatically. Remove the declaration of those dependencies.
426
427 2005-12-07 Richard Sandiford <richard@codesourcery.com>
428
429 * gcc/reload.c (push_secondary_reload): Fix typo:
430 s/insn_constraint/scratch_constraint/.
431
432 2005-12-07 Richard Sandiford <richard@codesourcery.com>
433
434 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
435
436 2005-12-07 Richard Sandiford <richard@codesourcery.com>
437
438 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
439 (alpha_elf_select_rtx_section): Return the selected section rather
440 than emitting assembly code.
441 (alpha_write_linkage): Emit a ".link" directive directly and then
442 set in_section to NULL.
443 (vms_asm_out_constructor): Use switch_to_section.
444 (vms_asm_out_destructor): Likewise.
445 (unicosmk_output_common): Set in_section to NULL instead of calling
446 the dummy common_section function.
447 (unicosmk_text_section): Delete in favor of...
448 (unicosmk_output_text_section_asm_op): ...this new function.
449 (unicosmk_data_section): Delete in favor of...
450 (unicosmk_output_data_section_asm_op): ...this new function.
451 (unicosmk_init_sections): New function.
452 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
453 (unicosmk_output_ssib): Set in_section to NULL instead of calling
454 the dummy ssib_section function.
455 (unicosmk_section_buf): Delete.
456 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
457 (unicosmk_data_section): Delete.
458 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
459 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
460 (SECTION_FUNCTION_TEMPLATE): Delete.
461 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
462 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
463 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
464 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
465 (TARGET_ASM_INIT_SECTIONS): Define.
466 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
467 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
468 (link_section, literals_section): Delete.
469 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
470 set in_section to NULL.
471
472 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
473 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
474 (COMMON_SECTION): Delete.
475 (TARGET_ASM_INIT_SECTIONS): Define.
476 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
477 the dummy common_section function.
478 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
479 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
480 between readonly_data_section and text_section to check whether
481 read-only data is being put in the text section.
482 (arm_output_function_epilogue): Use switch_to_section.
483 (arm_elf_asm_constructor): Likewise.
484 (thumb_call_via_reg): Replace call to in_text_section with
485 a comparison between in_section and text_section.
486 (arm_file_end): Use switch_to_section.
487 (aof_text_section): Delete in favor of...
488 (aof_output_text_section_asm_op): ...this new function.
489 (aof_data_section): Delete in favor of...
490 (aof_output_data_section_asm_op): ...this new function.
491 (aof_asm_init_sections): New function.
492 (zero_init_section): Moved from config/arm/aof.h.
493 (aof_dump_imports, aof_file_start): Use switch_to_section.
494 * config/arm/arm.h (thumb_call_via_label): Update comment.
495 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
496 (common_section): Delete.
497 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
498 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
499 global switch_to_section function instead of the old port-local one.
500 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
501 (SWITCH_TO_SECTION_FUNCTION): Delete.
502 (drectve_section): Redefine as a macro.
503 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
504 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
505 switch_to_section.
506
507 * config/avr/avr.c (progmem_section): New variable.
508 (avr_output_progmem_section_asm_op): New function.
509 (avr_asm_init_sections): New function.
510 (avr_output_addr_vec_elt): Use switch_to_section.
511 * config/avr/avr.h (progmem_section): Declare.
512 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
513 (READONLY_DATA_SECTION): Delete.
514 (TARGET_ASM_INIT_SECTIONS): Define.
515 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
516 * config/avr/avr-protos.h (progmem_section): Delete.
517
518 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
519
520 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
521 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
522
523 * config/darwin-sections.def: New file.
524 * config/darwin.c: Define all sections in darwin-sections.def.
525 (output_objc_section_asm_op, darwin_init_sections): New functions.
526 (machopic_output_indirection): Use switch_to_section.
527 (machopic_select_section): Return the selected section rather than
528 emitting assembly code. Replace the static function table with
529 inline conditional expressions. Update the tests of last_text_section
530 and move them into the FUNCTION_DECL block.
531 (machopic_select_rtx_section): Return the selected section rather than
532 emitting assembly code.
533 (machopic_asm_out_constructor, machopic_asm_out_destructor)
534 (darwin_file_end): Use switch_to_section.
535 * config/darwin.h: Use darwin-sections.def to declare sections.
536 (INIT_SECTION_ASM_OP): Remove empty definition.
537 (HAS_INIT_SECTION): Define this instead.
538 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
539 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
540 (TARGET_ASM_EH_FRAME_SECTION): Delete.
541 (TARGET_ASM_INIT_SECTIONS): Define.
542 * config/darwin-protos.h (darwin_init_sections): Declare.
543 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
544 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
545 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
546 (constructor_section, destructor_section, mod_init_section): Delete.
547 (mod_term_section): Delete.
548 (darwin_exception_section, darwin_eh_frame_section): Delete.
549 (machopic_select_section): Return a section.
550 (machopic_select_rtx_section): Likewise.
551 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
552 (const_section, const_coal_section, const_data_section): Delete.
553 (const_data_coal_section, data_coal_section, cstring_section): Delete.
554 (literal4_section, literal8_section, constructor_section): Delete.
555 (mod_init_section, mod_term_section, destructor_section): Delete.
556 (objc_class_section, objc_meta_class_section, objc_category_section)
557 (objc_class_vars_section, objc_instance_vars_section): Delete.
558 (objc_cls_meth_section, objc_inst_meth_section): Delete.
559 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
560 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
561 (objc_symbols_section, objc_module_info_section): Delete.
562 (objc_image_info_section, objc_protocol_section): Delete.
563 (objc_string_object_section, objc_constant_string_object_section)
564 (objc_class_names_section, objc_meth_var_names_section): Delete.
565 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
566 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
567 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
568 (darwin_exception_section, darwin_eh_frame_section): Delete.
569 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
570
571 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
572 (frv_asm_out_destructor): Likewise.
573 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
574 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
575 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
576 get_named_section.
577 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
578 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
579 (data_section): Delete.
580
581 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
582 (DRECTVE_SECTION_FUNCTION): Delete.
583 (drectve_section): Redefine as a macro that sets in_section after
584 emitting the directive.
585 (SWITCH_TO_SECTION_FUNCTION): Delete.
586 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
587 in_text_section with comparison between in_section and text_section.
588 * config/i386/i386.c (x86_64_elf_select_section): Return the section
589 rather than emitting assembly code. Use get_named_section.
590 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
591 get_named_section.
592 (machopic_output_stub): Use switch_to_section.
593 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
594 (nwld_named_section_asm_out_destructor): Use get_section and
595 switch_to_section.
596
597 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
598 rather than emitting assembly code.
599 (ia64_rwreloc_select_section): Likewise.
600 (ia64_rwreloc_select_rtx_section): Likewise.
601 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
602 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
603 switch_to_section.
604 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
605 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
606
607 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
608 section rather than emitting assembly code.
609 (iq2000_select_section): Likewise.
610 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
611 (sbss_section): Delete.
612
613 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
614 and get_named_section.
615 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
616
617 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
618 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
619 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
620 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
621 in_section to NULL.
622 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
623 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
624 global switch_to_section function instead of the old port-local one.
625 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
626 (SWITCH_SECTION_FUNCTION): Delete.
627 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
628 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
629 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
630 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
631 in_section to NULL.
632 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
633 global switch_to_section function instead of the old port-local one.
634 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
635
636 * config/mips/mips.c (mips_file_start): Update comment.
637 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
638 (mips_output_aligned_decl_common): Use switch_to_section.
639 (mips_select_rtx_section): Return the section rather than emitting
640 assembly code. Use get_named_section.
641 (mips_function_rodata_section: Likewise get_section.
642 (build_mips16_function_stub): Use switch_to_section.
643 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
644 (SDATA_SECTION_ASM_OP): Delete.
645 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
646 (EXTRA_SECTION_FUNCTIONS): Delete.
647
648 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
649 (mmix_asm_output_aligned_local): Use switch_to_section.
650
651 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
652 (som_one_only_readonly_data_section): New variables.
653 (pa_output_function_epilogue): Set in_section to NULL instead of
654 calling forget_section.
655 (output_deferred_plabels): Use select_section.
656 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
657 of calling forget_section.
658 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
659 (pa_asm_output_aligned_local): Use select_section.
660 (som_text_section_asm_op): Delete in favor of...
661 (som_output_text_section_asm_op): ...this new function.
662 (pa_som_asm_init_sections): New function.
663 (pa_select_section): Return the section rather than emitting
664 assembly code.
665 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
666 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
667 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
668 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
669 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
670 (som_readonly_data_section, som_one_only_readonly_data_section)
671 (som_one_only_data_section, forget_section): Delete.
672 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
673 (TARGET_ASM_INIT_SECTIONS): Define.
674 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
675
676 * config/rs6000/rs6000.c (read_only_data_section): New variable.
677 (private_data_section, read_only_private_data_section): New variables.
678 (sdata2_section, toc_section): New variables.
679 (rs6000_file_start): Use switch_to_section.
680 (rs6000_assemble_integer): Use comparisons against in_section
681 instead of calling in_toc_section and in_text_section. Use
682 unlikely_text_section_p.
683 (rs6000_elf_output_toc_section_asm_op): New function, derived
684 from the old rs6000/sysv4.h toc_section function.
685 (rs6000_elf_asm_init_sections): New function.
686 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
687 the section rather than emitting assembly code.
688 (machopic_output_stub): Use switch_to_section.
689 (toc_section): Delete dummy function.
690 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
691 switch_to_section and get_section.
692 (rs6000_xcoff_output_readonly_section_asm_op): New function.
693 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
694 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
695 the old rs6000/xcoff.h toc_section function.
696 (rs6000_xcoff_asm_init_sections): New function.
697 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
698 the section rather than emitting assembly code.
699 (rs6000_xcoff_file_start): Use switch_to_section.
700 (rs6000_xcoff_file_end): Likewise.
701 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
702 (sdata2_section, sbss_section, private_data_section): Delete.
703 (read_only_data_section, read_only_private_data_section): Delete.
704 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
705 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
706 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
707 (FINI_SECTION_FUNCTION): Delete.
708 (TARGET_ASM_INIT_SECTIONS): Define.
709 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
710 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
711 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
712 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
713 (READONLY_DATA_SECTION): Delete.
714 (TARGET_ASM_INIT_SECTIONS): Define.
715 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
716 to NULL rather than no_section.
717 (TARGET_ASM_EXCEPTION_SECTION): Delete.
718
719 * config/sh/sh.c (sh_file_start): Use switch_to_section.
720
721 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
722 (sparc_output_deferred_case_vectors): Likewise. Remove argument
723 from call to current_function_section.
724
725 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
726 (bss100_section): New variable.
727 (xstormy16_asm_output_aligned_common): Use switch_to_section.
728 (xstormy16_asm_init_sections): New function.
729 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
730 switch_to_section and get_section.
731 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
732 from calls to current_function_section.
733 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
734 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
735 (TARGET_ASM_INIT_SECTIONS): Define.
736 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
737
738 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
739 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
740 (FINI_SECTION_FUNCTION): Delete.
741
742 * config/v850/v850.c: Include gt-v850.h.
743 (rosdata_section, rozdata_section, tdata_section, zdata_section)
744 (zbss_section): New variables.
745 (v850_output_aligned_bss): Use switch_to_section.
746 (v850_asm_init_sections): New function.
747 (v850_select_section): Return the section rather than emitting
748 assembly code.
749 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
750 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
751 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
752 (TARGET_ASM_INIT_SECTIONS): Define.
753 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
754 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
755 (zbss_section): Delete.
756
757 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
758
759 * config/vx-common.h (vxworks_exception_section): Delete.
760 (TARGET_ASM_EXCEPTION_SECTION): Delete.
761
762 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
763 section rather than emitting assembly code.
764 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
765 switch_to_section.
766
767 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
768 * coretypes.h (section): New union and typedef.
769 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
770 from call to current_function_section.
771 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
772 (dbxout_symbol_location): Use switch_to_section.
773 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
774 most of the code into...
775 (default_eh_frame_section): ...here. Return a section.
776 (collect2_eh_frame_section): Delete, moving most of the code into..
777 (switch_to_eh_frame_section): ...this new function.
778 (debug_info_section, debug_abbrev_section, debug_aranges_section)
779 (debug_macinfo_section, debug_line_section, debug_loc_section)
780 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
781 variables.
782 (output_call_frame_info): Call switch_to_eh_frame_section instead of
783 eh_frame_section. Use switch_to_section and get_section.
784 (dwarf2out_begin_prologue): Use switch_to_section.
785 (AT_string_form): Check the flags in debug_str_section instead of
786 DEBUG_STR_SECTION_FLAGS.
787 (output_comp_unit): Use switch_to_section, get_section, and
788 debug_info_section.
789 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
790 (dwarf2out_begin_block): Use switch_to_section. Remove argument
791 from call to current_function_section.
792 (dwarf2out_var_location): Use unlikely_text_section_p.
793 (dwarf2out_source_line): Use switch_to_section. Remove argument
794 from call to current_function_section.
795 (dwarf2out_start_source_file, dwarf2out_end_source_file)
796 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
797 debug_macinfo_section.
798 (dwarf2out_init): Initialize the new section variables. Use them
799 instead of calls to named_section_flags. Use switch_to_section.
800 (output_indirect_string): Use switch_to_section and debug_str_section.
801 (dwarf2out_finish): Use switch_to_section and the new section
802 variables.
803 * except.c (default_exception_section): Return the section instead
804 of emitting assembly code.
805 (output_function_exception_table): Use the global exception_section
806 variable instead of the target hook. Use switch_to_section. Remove
807 argument from call to current_function_section.
808 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
809 (shorten_branches): Use pointer comparisons to detect whether the
810 text section is the same as readonly_data_section.
811 (profile_function): Use switch_to_section. Remove argument from
812 call to current_function_section.
813 (final_scan_insn): Likewise. Update use of last_text_section.
814 * gengtype.c (open_base_files): Add an include of output.h.
815 * output.h (text_section, data_section, readonly_data_section)
816 (ctors_section, dtors_section, bss_section, init_section)
817 (fini_section, sdata_section): Turn into section pointers.
818 (in_text_section, in_unlikely_text_section, exports_section)
819 (drectve_section, named_section, mergeable_string_section)
820 (last_text_section_name): Delete.
821 (default_exception_section, default_eh_frame_section): Return sections.
822 (SECTION_DECLARED, SECTION_NAMED): New macros.
823 (SECTION_MACH_DEP): Bump value.
824 (section_common, named_section, unnamed_section): New structures.
825 (unnamed_section_callback): New typedef.
826 (section): New union.
827 (sbss_section, exception_section, eh_frame_section): New variables.
828 (in_section, last_text_section): Turn into section pointers.
829 (get_unnamed_section, get_section, get_named_section): New functions.
830 (mergeable_constant_section, function_section): Return a section.
831 (unlikely_text_section): Likewise.
832 (current_function_section): Likewise. Remove the decl argument.
833 (unlikely_text_section_p, switch_to_section): New functions.
834 (output_section_asm_op): New function.
835 (set_named_section_flags, named_section_flags, named_section_real)
836 (named_section_first_declaration): Delete.
837 (default_select_section, default_elf_select_section): Return a section.
838 (default_elf_select_section_1, default_function_rodata_section)
839 (default_no_function_rodata_section, default_select_rtx_section)
840 (default_elf_select_rtx_section): Likewise.
841 * rtl.h (in_data_section): Delete.
842 * sdbout.c (sdbout_one_type): Use switch_to_section.
843 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
844 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
845 (TARGET_ASM_EH_FRAME_SECTION): Poison.
846 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
847 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
848 (TARGET_ASM_OUT): Update after above changes.
849 * target.h (init_sections): New hook.
850 (exception_section, eh_frame_section): Delete.
851 (select_section, select_rtx_section, function_rodata_section): Return
852 a section rather than emitting assembly code.
853 * varasm.c (text_section, data_section, readonly_data_section)
854 (ctors_section, dtors_section, bss_section, init_section)
855 (fini_section): Turn into section pointers.
856 (sdata_section, sbss_section, exception_section): New variables.
857 (eh_frame_section): New variable.
858 (in_section): Make global and turn into a section pointer.
859 (last_text_section): Turn into a section pointer.
860 (unnamed_sections): New variable.
861 (in_named_name, last_text_section_name): Delete.
862 (EXTRA_SECTION_FUNCTIONS): Delete.
863 (in_named_entry): Delete.
864 (section_htab): New variable, replacing...
865 (in_named_htab): ...this deleted variable.
866 (section_entry_eq, section_entry_hash): New functions, based on...
867 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
868 (get_unnamed_section, get_section): New functions.
869 (unlikely_text_section): Return a section instead of emitting
870 assembly code.
871 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
872 (get_named_section_flags, named_section_first_declaration): Delete.
873 (unlikely_text_section_p): New function.
874 (named_section_real, named_section): Delete.
875 (get_named_section): New function.
876 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
877 (function_section): Return a section rather than emitting
878 assembly code.
879 (current_function_section): Likewise. Remove argument. Use
880 last_text_section if nonnull, otherwise use function_section.
881 (default_function_rodata_section): Return a section rather than
882 emitting assembly code. Use get_section.
883 (default_no_function_rodata_section): Return a section rather than
884 emitting assembly code.
885 (variable_section): Use switch_to_section and get_named_section.
886 (mergeable_string_section): Return a section rather than emitting
887 assembly code. Use get_section. Make static. Don't take special
888 countermeasures for empty strings.
889 (mergeable_constant_section): Return a section rather than emitting
890 assembly code. Use get_section.
891 (default_named_section_asm_out_destructor): Use switch_to_section
892 and get_section.
893 (default_dtor_section_asm_out_destructor): Use switch_to_section.
894 (default_named_section_asm_out_constructor): Use switch_to_section
895 and get_section.
896 (default_ctor_section_asm_out_constructor): Use switch_to_section.
897 (assemble_start_function): Likewise. Set last_text_section to
898 NULL rather than no_section. Change the type of save_section.
899 (assemble_zeros, assemble_variable): Use the section flags to detect
900 whether or not a section is text.
901 (assemble_static_space): Use switch_to_section.
902 (assemble_trampoline_template): Likewise.
903 (output_constant_def_contents): Use switch_to_section and
904 get_named_section.
905 (output_constant_pool_1): Use switch_to_section. Use the section
906 flags to see whether sections contain mergeable data.
907 (init_varasm_once): Initialize section_htab instead of in_named_htab.
908 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
909 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
910 whether a section has already been declared.
911 (default_select_section, default_elf_select_section): Return a
912 section rather than emitting assembly code.
913 (default_elf_select_section_1): Likewise. Use bss_section for
914 SECCAT_BSS if nonnull. Use get_named_section.
915 (default_select_rtx_section): Return a section rather than
916 emitting assembly code.
917 (default_elf_select_rtx_section): Likewise. Use get_named_section.
918 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
919 (output_section_asm_op, switch_to_section): New functions.
920 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
921 get_named_section.
922
923 * doc/tm.texi: Expand the introduction to the sections documentation.
924 (TRAMPOLINE_SECTION): Document new interface.
925 (SDATA_SECTION_ASM_OP): Document new macro.
926 (READONLY_DATA_SECTION): Delete.
927 (SDATA_SECTION_ASM_OP): Document new macro.
928 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
929 (TARGET_ASM_INIT_SECTIONS): Document new hook.
930 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
931 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
932 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
933
934 2005-12-07 Alan Modra <amodra@bigpond.net.au>
935
936 * gcc.c (init_gcc_specs): Match braces inside conditionally
937 compiled strings.
938
939 2005-12-06 Geoffrey Keating <geoffk@apple.com>
940
941 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
942
943 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
944
945 PR C++/24138
946 * tree.c (integer_all_onesp): Always return true if all bits on.
947
948 * testsuite/g++.dg/init/array0.C: New.
949
950 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
951
952 * doc/md.texi: Adapt to implementation.
953
954 2005-12-06 Andreas Schwab <schwab@suse.de>
955
956 * opts.c (decode_options): Fix typo in message.
957
958 2005-12-06 Alan Modra <amodra@bigpond.net.au>
959
960 PR other/13873
961 * longlong.h: Merge PPC tests from upstream.
962
963 2005-12-06 Richard Guenther <rguenther@suse.de>
964
965 * fold-const.c (fold_convert): Do not build and fold
966 CONVERT_EXPR, but always use NOP_EXPR.
967
968 2005-12-06 Jan Beulich <jbeulich@novell.com>
969
970 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
971 __builtin_ia32_paddq and __builtin_ia32_subq.
972 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
973 __builtin_ia32_pshufw.
974 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
975
976 2005-12-05 James E Wilson <wilson@specifix.com>
977
978 PR target/24934
979 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
980 is set.
981
982 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
983
984 * print-tree.c (print_node): Ditto.
985 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
986 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
987 before accessing DECL_ARTIFICIAL.
988 Handle new tag tree codes.
989 * tree-flow-inline.h (clear_call_clobbered): Update for tag
990 changes.
991 (unmodifiable_var_p): Ditto.
992 * tree-flow.h (mem_tag_kind): Remove.
993 (struct var_ann_d): Remove mem_tag_kind member.
994 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
995 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
996 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
997 (group_aliases): Ditto.
998 (setup_pointers_and_addressables): Ditto.
999 (is_escape_site): Ditto.
1000 (may_alias_p): Ditto.
1001 (create_tag_raw): New function.
1002 (create_memory_tag): Use it.
1003 (dump_alias_info): Update for tags.
1004 (may_be_aliased): Ditto.
1005 (add_type_alias): Ditto.
1006 (new_type_alias): Ditto.
1007 (create_sft): Ditto.
1008 (create_structure_vars): Ditto.
1009 * tree-ssa-ccp.c (get_default_value): Ditto.
1010 * tree-ssa-operands.c (get_expr_operands): Ditto.
1011 (add_stmt_operand): Ditto.
1012 (add_call_clobber_ops): Remove duplicated condition.
1013 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1014 tags.
1015 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1016 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1017 * tree.c (init_ttree): Update structures for new tree codes.
1018 (tree_code_size): Update sizes for new tree codes.
1019 (make_node_stat): Don't try to set common things on minimal
1020 structures.
1021 (tree_node_structure): Update for tags.
1022 (is_global_var): Ditto.
1023 * tree.def: Add new tree codes.
1024 * tree.h (MTAG_P): New macro.
1025 (TREE_MEMORY_TAG_CHECK): Ditto.
1026 (SSA_VAR_P): Update for tags.
1027 (struct tree_memory_tag): New structure.
1028 (MTAG_GLOBAL): New macro.
1029 (union tree_node): Add memory tag member.
1030 * treestruct.def (TS_MEMORY_TAG): New.
1031
1032 2005-12-05 Dale Johannesen <dalej@apple.com>
1033
1034 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1035 what was approved (PR 24323).
1036
1037 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1038
1039 * doc/c-tree.texi (Function Bodies): Remove description of
1040 RETURN_INIT.
1041
1042 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1043
1044 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1045 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1046 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1047 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1048 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1049 __divxc3): Document.
1050
1051 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1052
1053 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1054 previous behaviour.
1055 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1056 hook_bool_void_false.
1057 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1058 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1059
1060 * config/darwin.c (machopic_select_section): It's not defined
1061 as weak if it's only marked as weak_import.
1062
1063 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1064 Prototype.
1065
1066 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1067 A hidden weak object does bind locally. Strong linkonce data
1068 counts like any other strong symbol for binding.
1069 (weak_finish_1): Don't specially handle weakrefs, they no longer
1070 arrive here.
1071 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1072 * c-common.c (handle_alias_attribute): Allow static aliases
1073 of variables.
1074 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1075 * gthr-dce.h: Make weakrefs static.
1076 * gthr-tpf.h: Likewise.
1077 * gthr-solaris.h: Likewise.
1078 * gthr-posix.h: Likewise.
1079 * gthr-posix95.h: Likewise.
1080 * config/darwin.c (darwin_encode_section_info): static weakref
1081 variables are not necessarily defined in this translation unit.
1082 * doc/extend.texi (Function Attributes): Mention that an alias
1083 attribute creates a definition for the thing it's attached to.
1084 Change the documentation for weakref to say that the thing
1085 it's attached to must be static.
1086
1087 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1088 we don't go into an infinite loop.
1089
1090 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1091
1092 * config/rs6000/predicates.md (logical_const_operand): Split
1093 out of logical_operand.
1094 (logical_operand): Use it.
1095 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1096 logical_const_operand.
1097
1098 2005-12-05 Jan Beulich <jbeulich@novell.com>
1099
1100 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1101 and IX86_BUILTIN_CMPNESS.
1102 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1103 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1104 * config/i386/i386.md (movti_internal): Correct type attribute.
1105 Simplify mode attribute.
1106 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1107 Correct type attribute.
1108 (absxf2): Correct operator.
1109 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1110 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1111 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1112 mode attribute.
1113 (sse2_vmsqrtv2df2): Correct mode attribute.
1114
1115 2005-12-05 Jan Beulich <jbeulich@novell.com>
1116
1117 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1118 16 bits. Provide insn pattern for this case.
1119
1120 2005-12-05 Jan Beulich <jbeulich@novell.com>
1121
1122 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1123 result.
1124 (__popcountDI2): Likewise.
1125
1126 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1127
1128 PR target/25166
1129 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1130 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1131 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1132 functions.
1133
1134 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1135
1136 * c-typeck.c (null_pointer_constant_p): New function.
1137 (build_conditional_expr, build_c_cast, convert_for_assignment,
1138 build_binary_op): Use it.
1139
1140 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1141
1142 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1143 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1144 CONVERT_EXPR.
1145 (check_function_arguments_recurse): Allow both NOP_EXPR and
1146 CONVERT_EXPR but check conversions preserve precision.
1147 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1148 but check conversions preserve precision.
1149 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1150 default case.
1151
1152 2005-12-04 Roger Sayle <roger@eyesopen.com>
1153
1154 PR c/7776
1155 * common.opt (Wstring-literal-comparison): New command line option.
1156 * c-opts.c (c_common_handle_option): Set it with -Wall.
1157 * c-typeck.c (parser_build_binary_op): Issue warning if either
1158 operand of a comparison operator is a string literal, except for
1159 testing equality or inequality against NULL.
1160
1161 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1162
1163 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1164
1165 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1166 of building a NOP_EXPR.
1167 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1168 NOP_EXPR.
1169 * c-convert.c (convert): Use fold_convert instead of building
1170 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1171 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1172 #if 0 code.
1173 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1174 NOP_EXPR the same as CONVERT_EXPR.
1175 * c-typeck.c (build_function_call): Use fold_convert instead of
1176 building a NOP_EXPR directly.
1177 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1178
1179 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1180
1181 PR rtl-optimization/25197
1182 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1183 have a reg.
1184
1185 2005-12-02 Stuart Hastings <stuart@apple.com>
1186
1187 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1188 warning.
1189
1190 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1191
1192 * c-typeck.c (default_function_array_conversion,
1193 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1194 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1195 orig_op2. Don't check them for NOP_EXPR.
1196 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1197 around integer zero.
1198
1199 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1200
1201 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1202 toc_save_offset, toc_size, lr_size.
1203 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1204 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1205 Adjust for removal of unused rs6000_stack_t fields.
1206 (debug_stack_info): Adjust.
1207 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1208 first, and don't bother checking for set/inc of lr on sibcalls.
1209 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1210
1211 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1212
1213 PR target/25199
1214 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1215 5 if operand 1 is not aligned. Undo previous constraint change.
1216 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1217
1218 2005-12-02 Richard Guenther <rguenther@suse.de>
1219
1220 * tree.h (build): Remove prototype.
1221 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1222 * tree.c (build): Remove.
1223 (build0_stat): Update comment.
1224
1225 2005-12-02 Richard Guenther <rguenther@suse.de>
1226
1227 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1228 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1229 Likewise.
1230 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1231 maybe_fold_offset_to_component_ref): Likewise.
1232 * tree-ssa-dom.c (thread_across_edge,
1233 simplify_rhs_and_lookup_avail_expr,
1234 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1235 Likewise.
1236 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1237 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1238 lower_try_finally_switch): Likewise.
1239 * tree-if-conv.c (add_to_dst_predicate_list,
1240 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1241 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1242 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1243 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1244 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1245 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1246 gimplify_init_ctor_eval, gimplify_init_constructor,
1247 gimplify_variable_sized_compare, gimplify_boolean_expr,
1248 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1249 gimplify_expr, gimplify_body, gimplify_function_tree,
1250 force_gimple_operand): Likewise.
1251 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1252 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1253 mx_register_decls): Likewise.
1254 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1255 get_frame_field, finalize_nesting_tree_1): Likewise.
1256 * tree-inline.c (setup_one_parameter): Likewise.
1257 * tree-vect-transform.c (vectorizable_condition): Likewise.
1258 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1259 Likewise.
1260 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1261 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1262 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1263 * tree-chrec.h (build_polynomial_chrec): Likewise.
1264
1265 2005-12-02 Richard Guenther <rguenther@suse.de>
1266
1267 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1268 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1269 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1270 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1271 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1272 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1273 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1274 Likewise.
1275 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1276 sh_adjust_unroll_max): Likewise.
1277 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1278 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1279 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1280 Likewise.
1281 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1282 Likewise.
1283 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1284 Likewise.
1285
1286 2005-12-02 Richard Guenther <rguenther@suse.de>
1287
1288 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1289 simplify_cond_using_ranges): Use buildN instead of build.
1290 * tree-tailcall.c (adjust_accumulator_values,
1291 adjust_return_value): Likewise.
1292 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1293 generate_element_copy, generate_element_zero,
1294 generate_one_element_init): Likewise.
1295 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1296 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1297 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1298 perfect_nestify): Likewise.
1299
1300 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1301
1302 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1303
1304 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1305
1306 * ggc.h (GGC_RESIZEVEC): New.
1307
1308 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1309
1310 * gcc.c (execute): Improve readability.
1311
1312 2005-12-02 Richard Guenther <rguenther@suse.de>
1313
1314 * tree-cfg.c (mark_used_vars): New function.
1315 (dump_function_to_file): Dump only used VAR_DECLs.
1316
1317 2005-12-02 Richard Guenther <rguenther@suse.de>
1318
1319 * convert.c (convert_to_integer): Fix compare for nonpositive
1320 constant to use tree_int_cst_sgn <= 0.
1321
1322 2005-12-02 Richard Guenther <rguenther@suse.de>
1323
1324 * convert.c (convert_to_integer): Use fold_convert instead
1325 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1326 instead of comparing against 0. Use build_int_cst instead
1327 of converting integer_zero_node.
1328
1329 2005-12-02 Richard Guenther <rguenther@suse.de>
1330
1331 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1332 and RROTATE_EXPR.
1333
1334 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1335
1336 PR target/21017
1337 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1338 rotates.
1339
1340 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1341
1342 PR middle-end/25176
1343 * function.c (expand_function_end): Emit blockage for unwinder
1344 after return label.
1345
1346 2005-12-01 Roger Sayle <roger@eyesopen.com>
1347
1348 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1349 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1350 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1351 integer constant comparisons.
1352
1353 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1354 Janis Johnson <janis187@us.ibm.com>
1355 David Edelsohn <dje@watson.ibm.com>
1356 Ben Elliston <bje@au.ibm.com>
1357
1358 * dfp.h, dfp.c: New files.
1359 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1360 (DECNUM_H): Likewise.
1361 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1362 (INCLUDES): Append $(DECNUMINC).
1363 (OBJS-common): Add dfp.o.
1364 (dfp.o): New rule.
1365 * real.h (EXP_BITS): Pinch one bit to ..
1366 (struct real_value): Add decimal field.
1367 (real_format): Change table size, update documentation.
1368 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1369 (real_from_string3): Declare.
1370 (decimal_single_format): Declare.
1371 (decimal_double_format): Declare.
1372 (decimal_quad_format): Declare.
1373 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1374 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1375 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1376 * real.c: Include dfp.h.
1377 (normalize): Early return for decimal floats.
1378 (do_add): Zero decimal field.
1379 (do_compare): Call do_decimal_compare for decimal floats.
1380 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1381 (real_arithmetic): Call decimal_real_arithmetic for decimal
1382 floating point operands.
1383 (real_identical): If a and b are of differing radix, return false.
1384 (real_to_integer): Call decimal_real_to_integer if the value is a
1385 decimal float.
1386 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1387 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1388 (real_to_hexadecimal): Place "N/A" in the return string for
1389 decimal float.
1390 (real_from_string3): New variant, given a mode.
1391 (real_maxval): Use decimal_real_maxval for decimal floats.
1392 (round_for_format): Use decimal_round_for_format for decimals.
1393 (real_convert): Use decimal_real_convert where appropriate.
1394 (significand_size): Handle base 10.
1395 (encode_decimal_single, decode_decimal_single,
1396 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1397 decode_decimal_quad): New functions.
1398 (decimal_single_format): New.
1399 (decimal_double_format): New.
1400 (decimal_quad_format): New.
1401 * machmode.def: Add SD, DD and TD decimal floating point modes.
1402 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1403 Include MODE_DECIMAL_FLOAT.
1404 (DECIMAL_FLOAT_MODE_P): New.
1405 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1406 * genmodes.c (struct mode_data): Add counter field.
1407 (struct mode_data): Update comment for format.
1408 (blank_mode): Initialise counter field.
1409 (new_mode): Increment counter field for each mode defined.
1410 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1411 using a format.
1412 (make_complex_modes): Handle modes containing `D'.
1413 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1414 (make_decimal_float_mode): New.
1415 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1416 (cmp_modes): Compare counter field if other characteristics
1417 similar.
1418 (emit_real_format_for_mode): Support formats for decimal floats.
1419 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1420 Document MODE_DECIMAL_FLOAT.
1421
1422 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1423
1424 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1425 Delete dead code.
1426
1427 2005-12-01 Richard Henderson <rth@redhat.com>
1428
1429 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1430
1431 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1432
1433 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1434
1435 * config/pa/pa.c (pa_init_builtins): If we detect
1436 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1437 putc_unlocked.
1438
1439 2005-12-01 Richard Guenther <rguenther@suse.de>
1440
1441 * fold-const.c (fold_binary): Use fold_build2, not
1442 fold (build (...)).
1443
1444 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
1445
1446 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1447
1448 * vec.h (VEC_block_remove): New.
1449
1450 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
1451
1452 PR c/13384
1453 * c-common.c (lvalue_error): Fix wording.
1454
1455 2005-12-01 Richard Guenther <rguenther@suse.de>
1456
1457 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1458 thinko in last patch.
1459
1460 2005-12-01 Geoffrey Keating <geoffk@apple.com>
1461
1462 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1463 than -flat_namespace.
1464
1465 2005-12-01 Ben Elliston <bje@au.ibm.com>
1466
1467 * mklibgcc.in: Parameterise the script to build soft float
1468 functions by iterating over each type, rather than cloning the
1469 code for each type.
1470
1471 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1472
1473 PR middle-end/25158
1474 * builtins.c (fold_builtin_fputs): Defer check for missing
1475 replacement functions.
1476
1477 2005-11-30 Kean Johnston <jkj@sco.com>
1478
1479 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1480 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1481
1482 2005-11-30 Richard Guenther <rguenther@suse.de>
1483
1484 PR tree-optimization/22501
1485 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1486 function split out from ...
1487 (forward_propagate_addr_expr): ... here. Use it to propagate
1488 ADDR_EXPRs to all uses.
1489
1490 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1491
1492 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1493 * builtins.c (expand_builtin_mathfn): Use them.
1494 (expand_builtin_mathfn_2): Likewise.
1495 (expand_builtin_mathfn_3): Likewise.
1496 (expand_builtin_int_roundingfn): Likewise.
1497 (expand_builtin): Likewise.
1498 (integer_valued_real_p): Likewise.
1499 (fold_builtin_int_roundingfn): Likewise.
1500 (fold_builtin_bitop): Likewise.
1501 (fold_builtin_logarithm): Likewise.
1502 (fold_builtin_1): Likewise.
1503 * convert.c (convert_to_integer): Likewise.
1504 * fold-const.c (negate_mathfn_p): Likewise.
1505 (tree_expr_nonnegative_p): Likewise.
1506
1507 2005-11-30 Dale Johannesen <dalej@apple.com>
1508 Andrew Pinski <pinskia@physics.uc.edu>
1509
1510 * combine.c (find_split_point): Sign extend bitmask
1511 when changing bitfield assignment to IOR of AND.
1512
1513 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1514
1515 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1516 clobber to scratch reg.
1517 (*decrement_and_branch_until_zero_no_clobber): Remove.
1518 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1519 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1520 * config/ms1/ms1.opt (mmul): Remove.
1521 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1522 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1523
1524 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1525 Bernd Schmidt <bernd.schmidt@analog.com>
1526
1527 * pa/predicates.md (symbolic_operand): Add comment.
1528 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1529 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1530 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1531 (pa_secondary_reload_class): Delete.
1532 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1533 and pa_secondary_reload_class. Reorder some checks. Update inline
1534 copy of symbolic operand.
1535 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1536
1537 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1538
1539 * loop-doloop.c (add_test): Only add jump notes if we did emit a
1540 jump.
1541
1542 2005-11-30 Jeff Law <law@redhat.com>
1543
1544 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1545 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1546
1547 2005-11-30 Jakub Jelinek <jakub@redhat.com>
1548
1549 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1550 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1551 (ia64_expand_move): Adjust caller.
1552
1553 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1554 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1555 negate VAL.
1556
1557 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
1558
1559 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1560 Always produce an output if we can remove NEGs or canonicalize
1561 (minus (minus ...)) expressions. Provide a fast path for the
1562 two-operand case.
1563 (simplify_gen_binary): Do not call simplify_plus_minus.
1564 (simplify_binary_operation_1): Reassociate at the end of the
1565 function.
1566
1567 2005-11-29 Evan Cheng <evan.cheng@apple.com>
1568
1569 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1570 moves and unpack to speed up.
1571
1572 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
1573
1574 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1575 argument, they are always sparc_compare_op0 and sparc_compare_op1.
1576 (gen_v9_scc): Update callers.
1577 * config/sparc/sparc.md: Likewise.
1578 * config/sparc/sparc-protos.h: Update extern declaration.
1579
1580 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1581
1582 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1583
1584 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1585 the if.
1586
1587 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1588
1589 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1590 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1591 (negate_expr): Here.
1592
1593 2005-11-29 Ben Elliston <bje@au.ibm.com>
1594
1595 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1596 Fix typo in comment.
1597
1598 2005-11-29 Ben Elliston <bje@au.ibm.com>
1599
1600 * Makefile.in (clean-target): Depend on clean-target-libgcc.
1601 (clean-target-libgcc): Import rule from the top-level Makefile.in.
1602
1603 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1604
1605 PR middle-end/20109
1606 PR middle-end/25120
1607 * builtins.c (init_target_chars): New.
1608 (expand_builtin_printf, expand_builtin_fprintf,
1609 expand_builtin_sprintf, fold_builtin_sprintf,
1610 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1611 fold_builtin_snprintf_chk, fold_builtin_printf,
1612 fold_builtin_fprintf): Check for matching format strings using
1613 the target charset.
1614
1615 2005-11-29 Paul Brook <paul@codesourcery.com>
1616
1617 * config.gcc: Do not use fixproto on m68k-elf.
1618
1619 2005-11-28 Roger Sayle <roger@eyesopen.com>
1620
1621 * expmed.c (div_cost): Replace with...
1622 (sdiv_cost, udiv_cost): New.
1623 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1624 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1625 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1626 (expand_divmod): Replace use of div_cost with either sdiv_cost
1627 or udiv_cost depending upon the signedness of the operation.
1628
1629 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1630
1631 PR libfortran/24991
1632 * config/darwin.c (machopic_indirection_name,
1633 machopic_output_indirection): Follow transparent alias chain.
1634
1635 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1636
1637 * varasm.c (ultimate_transparent_alias_target): Add comment.
1638
1639 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
1640
1641 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1642 SET_SRC instead of XEXP where appropriate.
1643
1644 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1645
1646 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1647 __builtin_expect.
1648
1649 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1650
1651 * config/fp-bit.h (LSHIFT): Take shift count parameter.
1652 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1653 bit at a time.
1654
1655 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
1656
1657 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1658 secondary_input_reload_class, made static. Adapt to new
1659 infrastructure.
1660 (secondary_output_reload_class): Delete.
1661 (TARGET_SECONDARY_RELOAD): New macro.
1662 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1663 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1664
1665 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
1666
1667 PR c++/21166
1668 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
1669 when its natural alignment is > BITS_PER_UNIT.
1670 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1671 * c-common.c (handle_packed_attribute): Ignore packing on a field
1672 whose type is naturally char aligned.
1673
1674 2005-11-28 Richard Guenther <rguenther@suse.de>
1675
1676 * c-common.c (strict_aliasing_warning): Handle all
1677 component-ref like accesses.
1678
1679 2005-11-28 Roger Sayle <roger@eyesopen.com>
1680 Uros Bizjak <uros@kss-loka.si>
1681
1682 PR middle-end/20219
1683 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1684 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1685 when flag_unsafe_math_optimizations is set and
1686 we don't care about NaNs or Infinities.
1687
1688 Move x/expN(y) and x/pow(y,z) transformation into common
1689 flag_unsafe_math_optimizations section.
1690
1691 2005-11-27 Mark Mitchell <mark@codesourcery.com>
1692
1693 * gcc.c (main): Change type of argv to "char **".
1694
1695 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1696
1697 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1698 small data sections.
1699 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1700 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1701 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1702 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
1703 output locals to sbss if !rs6000_elf_in_small_data_p.
1704 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1705
1706 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1707
1708 PR target/24997
1709 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1710 generated by reload.
1711 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1712 indexed_or_indirect_address.
1713 (indexed_or_indirect_address): Don't test for base reg. Call
1714 address_operand last. Make it a special predicate.
1715
1716 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
1717
1718 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1719
1720 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
1721
1722 PR middle-end/24575
1723 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1724 is undefined.
1725 (negate_expr): Likewise.
1726
1727 2005-11-27 Andreas Schwab <schwab@suse.de>
1728
1729 * config/m68k/m68k.c: Reindent and fix whitespace, remove
1730 redundant parens.
1731
1732 2005-11-27 Steven Bosscher <stevenb@suse.de>
1733
1734 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1735 has EH predecessor edges.
1736
1737 2005-11-26 Eric Christopher <echristo@apple.com>
1738
1739 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1740 register stalls by zero extending to the full register.
1741
1742 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
1743
1744 * config/floatunsisf.c, config/floatunsidf.c,
1745 config/floatunsixf.c, config/floatunsitf.c: New files.
1746 * config/ia64/t-hpux: Add floatunsitf.c.
1747 * config/ia64/ia64.c (ia64_init_libfuncs): Use
1748 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1749
1750 2005-11-26 Richard Henderson <rth@redhat.com>
1751
1752 * c-lex.c (pragma_lex): Rename from c_lex.
1753 * c-pch.c: Update for pragma_lex rename.
1754 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1755 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1756 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1757 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1758 * doc/tm.texi: Likewise.
1759
1760 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
1761
1762 PR middle-end/23669
1763 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1764 when overflow is undefined.
1765
1766 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
1767
1768 * doc/md.texi (Insn Canonicalizations): Refer to the
1769 function commutative_operand_precedence for further rules.
1770
1771 2005-11-25 Roger Sayle <roger@eyesopen.com>
1772
1773 PR middle-end/21309
1774 * expmed.c (choose_mult_variant): Return immediately when mult_cost
1775 is less than zero. Limit mult_cost to a reasonable upper bound for
1776 the synthetic multiplication sequence.
1777
1778 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1779
1780 PR middle-end/25022
1781 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1782 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1783 Lookup the explicit replacement functions for any unlocked
1784 stdio builtin transformations.
1785
1786 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
1787
1788 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1789 earlyclobber.
1790 * targhooks.c (default_secondary_reload): Don't require operand 2
1791 for an input reload to be earlyclobber.
1792
1793 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1794
1795 * fold-const.c (negate_mathfn_p): Fix comment and add support
1796 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1797 BUILT_IN_ATANH.
1798
1799 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1800
1801 PR middle-end/24998
1802 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1803 _Q_ulltoq for unsigned conversions from SImode and DImode to
1804 TFmode.
1805
1806 2005-11-25 Alan Modra <amodra@bigpond.net.au>
1807
1808 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1809 (__floatundidf, __floatundisf): Likewise.
1810
1811 2005-11-25 David Edelsohn <edelsohn@gnu.org>
1812
1813 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1814 (rs6000_override_options): Remove initialization of
1815 rs6000_sr_alias_set.
1816 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1817 (rs6000_emit_stack_tie): Same.
1818 (emit_frame_save): Same.
1819 (gen_frame_mem_offset): Same.
1820 (rs6000_emit_prologue): Same.
1821 (rs6000_emit_epilogue): Same.
1822
1823 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1824
1825 PR middle-end/24989
1826 * fold-const.c (fold_build): Convert bool_var != 1 and
1827 bool_var == 0 to !bool_var.
1828
1829 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1830
1831 PR middle-end/24990
1832 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1833 for C being INTEGER_CST. Likewise for !=.
1834
1835 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1836
1837 PR middle-end/24998
1838 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1839 unsigned conversions from SImode to TFmode.
1840
1841 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
1842
1843 * expr.c (expand_expr_real_1): Fix error in last change.
1844
1845 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1846
1847 * caller-save.c: (this_insn_sets): Move into:
1848 (save_call_clobbered_regs).
1849 (mark_set_regs): Get this_insn_sets from data.
1850
1851 (save_call_clobbered_regs): Take sets of the return value by
1852 sibcalls into account.
1853
1854 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1855 PR target/21623:
1856
1857 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1858 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1859 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1860 (memory_move_secondary_cost, init_reg_autoinc): Remove
1861 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1862 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1863 secondary_reload_class call.
1864 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
1865 callers.
1866 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1867 (push_secondary_reload): Use secondary_reload target hook.
1868 (secondary_reload_class, scratch_reload_class): New functions.
1869 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1870 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
1871 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1872 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1873 (secondary_reload_class, scratch_reload_class): Declare.
1874 * reload1.c: Include target.h.
1875 (reload_adjust_reg_for_temp): New function.
1876 (reload_adjust_reg_for_icode): Likewise.
1877 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1878 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1879 call.
1880 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
1881 for inheritance. Support case when both secondary & tertiary reloads
1882 are for intermediate registers.
1883 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1884 with secondary_reload_class call. Support case when both secondary
1885 & tertiary reloads are for intermediate registers.
1886 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1887 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1888 * target.h (secondary_reload_info): New struct / typedef.
1889 (struct gcc_target): New member secondary_reload.
1890 * targhooks.c Include reload.h, optabs.h and recog.h.
1891 (default_secondary_reload): New function.
1892 * targhooks.h (default_secondary_reload): Declare.
1893 * doc/tm.texi: Document secondary_reload target hook. Update
1894 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1895 * doc/md.texi: Likewise.
1896
1897 * sh-protos.h (sh_secondary_reload): Declare.
1898 * sh.c (TARGET_SECONDARY_RELOAD): Override.
1899 (sh_secondary_reload): New function.
1900 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1901 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1902 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1903 (HAVE_SECONDARY_RELOADS): Define.
1904 * sh.md (reload_indf): Rename to:
1905 (reload_indf__frn).
1906 (reload_outdf): Rename to:
1907 (reload_outdf__RnFRm).
1908 (reload_insf): Rename to:
1909 (reload_insf__frn).
1910 (reload_insi): Rename to:
1911 (reload_insi__i_fpul).
1912
1913 2005-11-24 Uros Bizjak <uros@kss-loka.si>
1914
1915 * configure.ac: Require at least texinfo 4.4.
1916 * configure: Regenerate.
1917
1918 * doc/install.texi (Tools/packages necessary for building GCC):
1919 Update required version of texinfo to at least 4.4.
1920 (Installing GCC: Building): Update required version of texinfo
1921 to at least 4.4.
1922 (Installing GCC: Final installation): Update required version
1923 of texi2dvi to at least 4.4.
1924 (Host/target specific installation notes for GCC): Update required
1925 version of texinfo to at least 4.4.
1926
1927 2005-11-24 Richard Guenther <rguenther@suse.de>
1928 Dirk Mueller <dmueller@suse.de>
1929
1930 PR c++/14024
1931 * c-common.h (strict_aliasing_warning): Declare.
1932 * c-common.c (strict_aliasing_warning): New function,
1933 split out from ...
1934 * c-typeck.c (build_c_cast): ... here.
1935
1936 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1937
1938 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1939 to order operands.
1940 (swap_commutative_operands_with_target): New.
1941
1942 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1943
1944 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1945 also when doing PRE, rather than only for global CPROP.
1946
1947 2005-11-24 Ben Elliston <bje@au.ibm.com>
1948
1949 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1950 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1951 formatting.
1952 (expand_twoval_unop): Likewise.
1953 (widen_clz): Likewise.
1954 (expand_parity): Likewise.
1955 (expand_unop): Likewise.
1956 (emit_cmp_and_jmp_insn_1): Likewise.
1957 (prepare_float_lib_cmp): Likewise.
1958
1959 2005-11-24 Ben Elliston <bje@au.ibm.com>
1960
1961 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1962 Remove unused `class' variable.
1963
1964 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1965
1966 PR c++/21667
1967 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
1968 C/C++ diagnostic function warn_array_subscript_with_type_char.
1969 * c-common.h (warn_array_subscript_with_type_char): Declare.
1970 * c-common.c (warn_array_subscript_with_type_char): Define.
1971
1972 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1973
1974 PR c/21668
1975 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1976 compiling at the intersection of C and C++.
1977
1978 2005-11-23 Mark Mitchell <mark@codesourcery.com>
1979
1980 * doc/invoke.texi: For man pages, include gcc-vers.texi.
1981 List @file in the option summary. Include the libiberty
1982 documentation for @file.
1983 * gcc.c (main): Call expandargv.
1984 * Makefile.in (gcc-vers.texi): Define srcdir.
1985
1986 2005-11-23 Diego Novillo <dnovillo@redhat.com>
1987
1988 * passes.c (init_optimization_passes): Document
1989 sequencing of passes.
1990
1991 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
1992
1993 * config/m68k/predicates.md (pcrel_address, extend_operator,
1994 post_inc_operand, pre_dec_operand): Remove redundant
1995 conditionals.
1996 (const_uint32_operand, const_sint32_operand): Use gcc_assert
1997 instead of abort.
1998 (valid_dbcc_comparison_p): Rewrite in the lisp style.
1999
2000 2005-11-23 Ben Elliston <bje@au.ibm.com>
2001
2002 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2003
2004 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2005
2006 Preparatory work for PR target/21623:
2007 * alpha.c (secondary_reload_class): Rename to:
2008 (alpha_secondary_reload_class).
2009 * alpha.h, alpha-protos.h: Likewise.
2010 * mn10300.c (secondary_reload_class): Rename to:
2011 (mn10300_secondary_reload_class).
2012 * mn10300.h, mn10300-protos.h: Likewise.
2013 * pa.c (secondary_reload_class): Rename to:
2014 (pa_secondary_reload_class).
2015 * pa.h, pa-protos.h: Likewise.
2016 * rs6000.c (secondary_reload_class): Rename to:
2017 rs6000_secondary_reload_class.
2018 * rs6000.h, rs6000-protos.h: Likewise.
2019
2020 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2021
2022 PR middle-end/22561
2023 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2024
2025 2005-11-22 Ian Lance Taylor <ian@airs.com>
2026
2027 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2028 a mode_class.
2029 (prepare_cmp_insn): Likewise.
2030
2031 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2032
2033 PR target/23435
2034 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2035 if both operands[0] and operands[1] are memory.
2036
2037 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2038
2039 PR middle-end/23606
2040 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2041 COMPARISON_CLASS_P and an integral types create create a new
2042 expression with the new type and fold that.
2043
2044 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2045
2046 PR target/24988
2047 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2048 to SUBTARGET_OS_CPP_BUILTINS.
2049
2050 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2051
2052 * arm.c (emit_set_insn): New function.
2053 (arm_split_constant): Call it.
2054 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2055 (arm_legitimize_address): Likewise. Use plus_constant.
2056 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2057 (thumb_expand_prologue): Likewise.
2058 (arm_gen_load_multiple): Use VOIDmode in SET.
2059 (arm_gen_store_multiple): Likewise.
2060 (vfp_emit_fstmx): Likewise. Use plus_constant.
2061 (emit_multi_reg_push): Likewise.
2062 (emit_sfm): Use plus_constant.
2063
2064 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2065
2066 PR target/24954
2067 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2068 typo last change.
2069
2070 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2071
2072 PR middle-end/24950
2073 * expmed.c (store_bit_field): Don't attempt to insv a field
2074 larger than the reg.
2075
2076 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2077
2078 PR target/24954
2079 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2080 explicit sign extension, not a (char) cast.
2081
2082 2005-11-22 Ben Elliston <bje@au.ibm.com>
2083
2084 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2085 GET_MODE_CLASS (x) == MODE_FLOAT.
2086 * config/i386/i386.c: Likewise.
2087 * config/rs6000/xcoff.h: Likewise.
2088 * config/rs6000/linux64.h: Likewise.
2089 * config/rs6000/rs6000.c: Likewise.
2090 * config/rs6000/rs6000.h: Likewise.
2091 * config/rs6000/predicates.md: Likewise.
2092 * config/rs6000/sysv4.h: Likewise.
2093
2094 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2095
2096 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2097 flag_pic is set.
2098
2099 * config/alpha/freebsd.h, config/alpha/linux.h,
2100 config/arm/linux-elf.h, config/bfin/bfin.h,
2101 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2102 config/i386/beos-elf.h, config/i386/gnu.h,
2103 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2104 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2105 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2106 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2107 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2108 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2109 config/sparc/linux.h, config/sparc/linux64.h,
2110 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2111
2112 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2113 are both defined when either flag -fpic or -fPIC are used.
2114
2115 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2116
2117 * config/fp-bit.c (clzusi): New function.
2118 (si_to_float, usi_to_float): Use it to compute proper shift.
2119 (usi_to_float): Preserve guard bits when shifting right.
2120 * libgcc-std.ver (GCC_4.2.0): New version.
2121 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2122 __floatundisf): New functions.
2123 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2124 __floatundisf): Declare.
2125 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2126 _floatundixf, and _floatunditf.
2127 * optabs.c (expand_float): If target does not define a pattern for
2128 signed or unsigned conversion, use an unsigned libcall instead of
2129 a signed one.
2130 (init_optabs): Initialize ufloat_optab.
2131
2132 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2133
2134 * config/rs6000/rs6000.opt (mmulhw): New option.
2135 * doc/invoke.texi (-mmulhw): Document.
2136 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2137 for 405 and 440.
2138 * config/rs6000/rs6000.md: Add half-word multiply and
2139 multiply-accumulate instructions for 405 and 440.
2140
2141 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2142
2143 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2144 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2145 default now includes a linker group which makes the RTEMS one nest.
2146
2147 2005-11-22 Ben Elliston <bje@au.ibm.com>
2148
2149 * cse.c (fold_rtx): Typo fix.
2150 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2151
2152 2005-11-21 Richard Henderson <rth@redhat.com>
2153
2154 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2155 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2156
2157 * c-tree.h (lookup_name): Move declaration ...
2158 * c-common.h (lookup_name): ... here.
2159 * config/darwin-c.c: Include c-common.h.
2160 * config/t-darwin: Update dependencies.
2161
2162 2005-11-22 Ben Elliston <bje@au.ibm.com>
2163
2164 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2165 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2166 * genopinit.c (gen_insn): Likewise.
2167 * reload.c (find_equiv_reg): Likewise.
2168 * loop.c (load_mems): Likewise.
2169 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2170 * cse.c (find_comparison_args, fold_rtx): Likewise.
2171 * dwarf2out.c (add_const_value_attribute): Likewise.
2172 * expr.c (convert_move): Likewise.
2173 * recog.c (general_operand, register_operand): Likewise.
2174 * reg-stack.c (replace_reg): Likewise.
2175 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2176 * c-common.c (handle_vector_size_attribute): Likewise.
2177 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2178 (simplify_binary_operation_1): Likewise.
2179 (simplify_const_binary_operation): Likewise.
2180 (simplify_relational_operation): Likewise.
2181 (simplify_const_relational_operation): Likewise.
2182 (simplify_immed_subreg): Likewise.
2183 * emit-rtl.c (gen_lowpart_common): Likewise.
2184 * expmed.c (expand_mult): Likewise.
2185 * stor-layout.c (layout_type): Likewise.
2186
2187 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2188
2189 PR target/24951
2190 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2191 cst2 only for SPE vectors.
2192
2193 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2194
2195 PR target/24953
2196 * config/rs6000/predicates.md (vrsave_operation): Check
2197 UNSPEC_VOLATILE value.
2198
2199 2005-11-21 Jan Hubicka <jh@suse.cz>
2200
2201 PR tree-optimization/24653
2202 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2203
2204 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2205
2206 * config/i386/predicates.md (ax_reg_operand): New predicate.
2207 (memory_displacement_only_operand): New predicate.
2208 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2209 operand is AX register and the other operand is memory operand
2210 with displacement only.
2211
2212 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2213
2214 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2215 if we don't care about NaNs or Infinities.
2216
2217 2005-11-20 Ian Lance Taylor <ian@airs.com>
2218
2219 PR rtl-optimization/24883
2220 * combine.c (combinable_i3pat): When checking whether the
2221 destination of i3 is used in i3, consider paradoxical subregs.
2222
2223 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2224
2225 PR middle-end/20583
2226 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2227
2228 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2229
2230 * combine.c (try_combine): Do not run subst on i1src and i2src in
2231 the case of generating a PARALLEL for a comparison.
2232
2233 2005-11-20 Richard Henderson <rth@redhat.com>
2234
2235 PR 24931
2236 * tree-sra.c (struct sra_elt): Add all_no_warning.
2237 (struct sra_walk_fns) <use>: Add use_all argument.
2238 (sra_walk_expr): Pass it.
2239 (sra_walk_modify_expr): Likewise.
2240 (scalarize_ldst): Likewise.
2241 (scan_use): Update for new argument.
2242 (mark_no_warning): New.
2243 (scalarize_use): Use it.
2244
2245 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2246
2247 * expr.c (expand_expr_real): Use usmul_optab for widening
2248 signed * unsigned multiplies.
2249 * genopinit.c (optabs): Add usmul_widen_optab.
2250 * optabs.c (init_optabs): Likewise.
2251 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2252 (usmul_widen_optab): Define.
2253 * config/bfin/bfin.md (usmulhisi3): New pattern.
2254
2255 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2256
2257 2005-11-20 Graham Stott <btinternet.com>
2258
2259 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2260
2261 2005-11-20 Andreas Schwab <schwab@suse.de>
2262
2263 PR target/24757
2264 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2265 insn.
2266
2267 2005-11-19 Richard Henderson <rth@redhat.com>
2268
2269 PR tree-opt/24665
2270 * tree-gimple.c (is_gimple_id): Export.
2271 * tree-gimple.h (is_gimple_id): Declare.
2272 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2273 (get_default_value): Use it.
2274 (maybe_fold_stmt_indirect): Likewise.
2275
2276 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2277
2278 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2279 than VR1 or vice-versa.
2280
2281 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2282
2283 PR middle-end/24912
2284 PR middle-end/24750
2285 * reload.c (find_reloads_address_1): Mention dependency on
2286 gen_reload.
2287 * reload1.c (gen_reload): For IN with an unary operation, try
2288 moving inner expression to OUT if trivial SET is not valid.
2289 Confirm that the result is valid. Move common code block into...
2290 (emit_insn_if_valid_for_reload): New function.
2291
2292 2005-11-19 Richard Guenther <rguenther@suse.de>
2293
2294 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2295 ARRAY_REFs of constant strings.
2296
2297 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2298
2299 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2300 fatal format string.
2301
2302 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2303
2304 * combine.c (make_compound_operation): Swap operands of
2305 commutative operation if necessary before returning.
2306
2307 2005-11-19 Richard Guenther <rguenther@suse.de>
2308
2309 PR middle-end/23294
2310 * fold-const.c (fold_plusminus_mult_expr): New function.
2311 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2312 cases, remove now unnecessary code.
2313
2314 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2315
2316 * gensupport.c (old_preds): Rename to std_preds, add special field.
2317 (struct old_pred_table): Rename to struct std_pred_table, add special
2318 field.
2319 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2320 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2321 (init_predicate_table): Adjust, and set along the way whether a
2322 predicate is special.
2323
2324 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2325
2326 * BASE-VER: Change to 4.2.0.
2327
2328 2005-11-18 James E Wilson <wilson@specifix.com>
2329
2330 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2331 returning it.
2332
2333 2005-11-18 Mike Stump <mrs@apple.com>
2334
2335 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2336 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2337 * c-decl.c (lookup_name_two) Remove.
2338 * c-tree.h (lookup_name_two): Remove.
2339 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2340 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2341 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2342 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2343
2344 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2345
2346 PR target/24914
2347 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2348 when not generating code to use that co-processor.
2349
2350 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2351
2352 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2353 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2354 these functions are now in tree-phinodes.c.
2355
2356 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2357
2358 * config/bfin/bfin.md (trap): New pattern.
2359
2360 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2361
2362 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2363 on types.
2364
2365 * expr.c (expand_expr_real): Don't call record_block_change unless
2366 ib_boundaries_block is non-null
2367
2368 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2369
2370 * fold-const.c (build_range_check): Use proper type for subtraction
2371 when merging lower bound.
2372
2373 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2374
2375 PR rtl-optimization/24497
2376 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2377 the copied insn.
2378
2379 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2380
2381 * tree-scalar-evolution.c (expression_expensive_p): New function.
2382 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2383
2384 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2385
2386 * config/bfin/crtlibid.s: New file.
2387
2388 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2389
2390 PR target/24348
2391 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2392 when not using sjlj exceptions.
2393 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2394 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2395 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2396 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2397 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2398 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2399 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2400 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2401 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2402 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2403 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2404 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2405 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2406 defines.
2407 * config/pa/hpux-unwind.h: New file.
2408
2409 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
2410
2411 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2412 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2413 * varasm.c (do_assemble_alias): Adjust call.
2414 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2415 is defined.
2416 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2417
2418 2005-11-17 James E Wilson <wilson@specifix.com>
2419
2420 * tree.def (FUNCTION_DECL): Correct typo in comment.
2421
2422 2005-11-17 Richard Henderson <rth@redhat.com>
2423
2424 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2425 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2426 and DW_CFA_def_cfa_sf.
2427 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2428 (dbx_reg_number): Don't assert particular registers here.
2429 (based_loc_descr): ... do it here instead. Fold in ...
2430 (eliminate_reg_to_offset): ... this function.
2431 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2432 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2433 * unwind-dw2.c (execute_cfa_program): Apply data align factor
2434 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2435 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2436 (instantiate_virtual_regs): Likewise.
2437 * var-tracking.c (adjust_stack_reference): Likewise.
2438 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2439
2440 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
2441
2442 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2443 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2444 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2445 crtlibid.o.
2446 ($(T)crtlibid.o): New rule.
2447
2448 2005-11-16 Richard Guenther <rguenther@suse.de>
2449
2450 PR middle-end/24851
2451 * fold-const.c (extract_array_ref): Return byte offset
2452 in all cases.
2453 (fold_binary): Fold &x[a] CMP &x[b] to
2454 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2455 behavior.
2456
2457 2005-11-16 Richard Henderson <rth@redhat.com>
2458
2459 PR middle-end/23497
2460 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2461 parts of an SSA_NAME.
2462
2463 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
2464
2465 PR target/24861
2466 * arm.md (split for movsf with immediate): Restrict split to insns
2467 that set a general register.
2468
2469 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2470
2471 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
2472 uw_update_context.
2473 * unwind-dw2.c (uw_advance_context): Likewise.
2474 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
2475 _Unwind_SjLj_Unregister.
2476 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2477
2478 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2479
2480 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2481
2482 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2483
2484 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2485 langhook to get a DImode integer type.
2486
2487 2005-11-16 Richard Henderson <rth@redhat.com>
2488 J"orn Rennecke <joern.rennecke@st.com>
2489 Ulrich Weigand <uweigand@de.ibm.com>
2490
2491 PR rtl-opt/24160
2492 PR target/24621
2493 * reload1.c (reg_equiv_invariant): New.
2494 (reload): Allocate, initialize, and free it.
2495 (calculate_needs_all_insns): Check it when skipping equivalence
2496 setting insns.
2497 (alter_reg): Likewise.
2498 (eliminate_regs_1): Rename from eliminate_regs. Add new
2499 may_use_invariant argument; only use reg_equiv_invariant when true.
2500 (eliminate_regs): New.
2501 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2502 a context for which may_use_invariant may be true.
2503
2504 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2505
2506 * fold-const.c (const_binop): Don't constant fold the operation
2507 if the result has overflowed and flag_trapping_math.
2508 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2509
2510 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2511
2512 * config/arm/unwind-arm.c (abort): Add prototype here.
2513 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2514 (struct phase1_vrs): Add prev_sp.
2515 (unwind_phase2_forced): Save the original core registers instead of
2516 modifying entry_vrs. Take a new flag argument for resuming unwinding
2517 and set action flags accordingly. Always set _US_END_OF_STACK when
2518 get_eit_entry fails. Unwind before calling the stop function.
2519 (_Unwind_GetCFA): New function.
2520 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2521 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2522 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2523 just call unwind_phase2_forced.
2524 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2525 * config/arm/unwind-arm.h (abort): Remove prototype.
2526 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2527 prototypes.
2528 (_Unwind_GetCFA): New prototype.
2529 * config/arm/pr-support.c (abort): Add prototype here.
2530 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2531 forced unwinding.
2532 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2533 not schedule the prologue with non-call exceptions and EABI.
2534
2535 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
2536
2537 * config/arm/unwind-arm.h: Reorder interface function declarations.
2538 (_URC_END_OF_STACK): New enumeration value.
2539 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2540 (struct _Unwind_Control_Block): Document reserved field use.
2541 (_Unwind_Stop_Fn): New typedef.
2542 (_Unwind_ForcedUnwind): Declare.
2543 (_Unwind_Resume_or_Rethrow): Declare.
2544 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2545 argument. Adjust.
2546 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2547 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2548 (UCB_FORCED_STOP_ARG): New.
2549 (search_EIT_table): Update boundary condition checks.
2550 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2551 (unwind_phase2): Replace for with do..while.
2552 (unwind_phase2_forced): New.
2553 (__gnu_Unwind_RaiseException): Replace for with do..while.
2554 (__gnu_Unwind_ForcedUnwind): New.
2555 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2556 Use appropriate phase2 unwinder.
2557 (__gnu_Unwind_Resume_or_Rethrow): New.
2558 (__gnu_unwind_pr_common): Cope with forced unwinding.
2559
2560 2005-11-16 David Edelsohn <edelsohn@gnu.org>
2561
2562 PR target/24772
2563 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2564
2565 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2566 roundsf2): Remove "s" from mnemonic.
2567
2568 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
2569
2570 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2571 __PIC__ is defined.
2572 * config/bfin/crtn.s: Change epilogues to match.
2573 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2574 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2575 __PIC__ and __pic__.
2576
2577 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
2578
2579 PR 24357
2580 * doc/invoke.texi: Distinguish between free and fixed form instead of
2581 Fortran and Fortran 90/95. Remove ratfor from the list of supported
2582 languages.
2583 * gcc.c (default_compilers): Remove double entries, add entries for
2584 suffixes '.F90' and '.F95'.
2585
2586 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2587
2588 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2589 in the stack probing loop.
2590
2591 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2592
2593 * configure.ac: Use .machine power5 not power5x.
2594 * configure: Regenerate.
2595
2596 2005-11-15 Mike Stump <mrs@apple.com>
2597
2598 * c-decl.c (lookup_name_two): Add.
2599 * c-tree.h (lookup_name_two): Likewise.
2600 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2601 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2602
2603 2005-11-16 Alan Modra <amodra@bigpond.net.au>
2604
2605 PR rtl-optimization/23392
2606 * regrename.c (enum scan_actions) Add mark_access.
2607 (scan_actions_name): Ditto.
2608 (scan_rtx_reg): Handle mark_access.
2609 (scan_rtx_address): Do nothing for mark_access.
2610 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2611 and regs in REG_INC notes before closing chains for dead regs.
2612 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2613 opening chains for new writes.
2614
2615 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2616
2617 * c.opt (ffixed-line-length-none): New.
2618
2619 2005-11-15 Steve Ellcey <sje@cup.hp.com>
2620
2621 * mklibgcc.in: Change contents of eh_dummy.c.
2622
2623 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2624
2625 * loop.c (scan_loop): Do not insert temporaries for hard registers.
2626
2627 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2628
2629 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2630 of making syscalls.
2631 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
2632
2633 2005-11-15 Jan Hubicka <jh@suse.cz>
2634
2635 * invoke.texi (large-unit-insns): Document.
2636 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2637 * params.def (large-unit-insns): New param.
2638
2639 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
2640
2641 PR target/24869
2642 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2643 special register for operand 3. Reindent constraints to align
2644 them vertically.
2645
2646 2005-11-14 David Edelsohn <edelsohn@gnu.org>
2647
2648 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2649 -mpopcntb, -mfprnd. Add -mcpu=power5+.
2650 * configure.ac: Add test for FP rounding instructions.
2651 * configure: Regenerate.
2652 * config.in: Regenerate.
2653 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2654 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2655 features enabled.
2656 * config/rs6000/rs6000.opt (mfprnd): New.
2657 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2658 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2659 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2660 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2661 (TARGET_FPRND): New.
2662 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2663 UNSPEC_FRIZ): New.
2664 (btrunc<mode>2): New.
2665 (ceil<mode>2): New.
2666 (floor<mode>2): New.
2667 (round<mode>2): New.
2668
2669 2005-11-14 Geoffrey Keating <geoffk@apple.com>
2670
2671 * gcc.c (version_compare_spec_function): Use fatal() rather than
2672 abort().
2673
2674 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2675 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2676 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2677 as empty.
2678 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2679 link in crt2.o.
2680
2681 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2682 on -mmacosx-version-min setting.
2683
2684 2005-11-14 Diego Novillo <dnovillo@redhat.com>
2685
2686 PR 24840
2687 * tree-vrp.c (infer_value_range): Return false if STMT is a
2688 block terminator and its basic block has no successors.
2689
2690 2005-11-14 Mike Stump <mrs@apple.com>
2691
2692 * config/i386/i386.c (override_options): -masm=intel isn't
2693 supported on darwin.
2694 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2695
2696 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
2697
2698 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2699 vfork after including auto-host.h.
2700
2701 2005-11-15 Alan Modra <amodra@bigpond.net.au>
2702
2703 PR rtl-optimization/22002
2704 * combine.c (distribute_notes): Detect cases where a reg dies
2705 two or more times in a bb, including on the insn we are combining,
2706 and place the death note on the correct range.
2707
2708 2005-11-14 Dale Johannesen <dalej@apple.com>
2709
2710 * expmed.c (store_bit_field): Add offset unconditionally for
2711 memory targets.
2712 (extract_bit_field): Don't force extzv or extv operand into
2713 a register if field is too big.
2714
2715 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2716
2717 * config/arm/arm.c (pic_labelno): New.
2718 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2719 LABEL_REF. Pass only the labelno to PIC insns.
2720 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2721 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2722 * arm.md (UNSPEC_PIC_LABEL): New constant.
2723 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2724 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2725 Use the correct label prefix.
2726
2727 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2728
2729 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2730 REQ_EQUIV note.
2731
2732 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
2733
2734 * loop-invariant.c: Include tm_p.h.
2735 * Makefile.in: Updated.
2736
2737 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2738
2739 * pa.c (store_reg): Revise generation of frame notes in large frames.
2740 (set_reg_plus_d): Likewise.
2741
2742 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
2743
2744 PR tree-optimization/24709
2745 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2746 loop check.
2747
2748 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2749
2750 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2751 and duplicate declaration of pthread_self.
2752
2753 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
2754 Ian Lance Taylor <ian@airs.com>
2755
2756 PR middle-end/24003
2757 * calls.c (expand_call): If TARGET is a MEM and some part of the
2758 argument area has been saved, force TARGET to a register.
2759
2760 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
2761
2762 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2763 checking.
2764
2765 2005-11-13 Jason Merrill <jason@redhat.com>
2766
2767 PR c++/22489
2768 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2769 lazily declared methods.
2770 (force_decl_die): Stop if forcing out the context already make a
2771 DIE for the decl.
2772 (force_type_die): Likewise.
2773
2774 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
2775
2776 PR middle-end/24820
2777 * builtins.c (integer_valued_real_p): Add break in
2778 REAL_CST having TREE_OVERFLOW set.
2779
2780 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
2781
2782 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2783 addressing modes during calculation of costs.
2784
2785 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
2786
2787 * function.c (assign_stack_local_1): Restrict sanity check
2788 on frame size overflow to 32-bit and above platforms.
2789
2790 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2791
2792 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2793 * config/cris/cris.c: Include reload.h.
2794 (cris_initial_elimination_offset): New function.
2795 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2796 Prototype.
2797
2798 2005-11-12 Richard Guenther <rguenther@suse.de>
2799
2800 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2801
2802 2005-11-12 Jan Hubicka <jh@suse.cz>
2803
2804 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2805 to compare against 0 when possible.
2806
2807 2005-11-12 Jie Zhang <jie.zhang@analog.com>
2808
2809 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2810 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2811 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2812 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2813 in the new order.
2814
2815 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2816
2817 * recog.c (constrain_operands) <case 'g'>: For a match, require
2818 that a non-register matches general_operand when strict >= 0.
2819
2820 2005-11-11 Steven Bosscher <stevenb@suse.de>
2821
2822 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2823 previous checkin.
2824
2825 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2826
2827 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2828 (memory_address_same): New.
2829 (dse_optimize_stmt): Call memory_address_same.
2830
2831 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2832
2833 PR middle-end/24750
2834 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2835 ZERO_EXTEND>: New cases.
2836
2837 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2838
2839 * longlong.h (__clz_tab): Always provide.
2840
2841 2005-11-11 Steven Bosscher <stevenb@suse.de>
2842
2843 PR 24265
2844 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2845 can be assigned to.
2846 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2847 before check_maybe_invariant.
2848 (move_invariant_reg): Use gen_move_insn instead of replacing
2849 SET_DEST with the temporary for the invariant.
2850 (move_loop_invariants): If checking is enabled, do internal
2851 consistency checks after completing the pass.
2852
2853 2005-11-11 David Edelsohn <edelsohn@gnu.org>
2854
2855 PR 24644
2856 * common.opt (Wvolatile-register-var): New.
2857 * varasm.c (make_decl_rtl): Only emit warning when option
2858 specified. Clarify warning message.
2859 * doc/invoke.texi (Wvolatile-register-var): Document new option.
2860
2861 * doc/md.texi (copysign): Document standard named pattern.
2862
2863 2005-11-11 Jie Zhang <jie.zhang@analog.com>
2864
2865 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2866 bytes when align is 2.
2867 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2868 by the first instruction of the loop.
2869
2870 2005-11-11 Jason Merrill <jason@redhat.com>
2871
2872 PR c++/24686
2873 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2874 the cleanup list.
2875
2876 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2877
2878 PR rtl-optimization/22509
2879 * local-alloc.c (memref_used_between_p): Check whether a function call
2880 could not reference the memref.
2881
2882 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
2883
2884 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2885 algorithm so as to choose the best, not the worst, alternative.
2886 Reset accumulated register class before processing next alternative.
2887
2888 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
2889
2890 PR target/24445
2891 * calls.c (expand_call): Copy a return value to a plain register
2892 if needed.
2893
2894 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
2895
2896 PR target/24778
2897 * varasm.c (assemble_name): Recompute name only for transparent
2898 aliases.
2899
2900 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
2901
2902 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2903
2904 2005-11-04 Jeff Law <law@redhat.com>
2905
2906 PR middle-end/23181
2907 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2908 perform reassociation if the parent statement will not die as
2909 a result of the optimization.
2910
2911 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
2912
2913 * tree-ssa-alias.c (compute_may_aliases): Remove call to
2914 delete_old_heap_vars.
2915 * tree-dfa.c (referenced_var_remove): Remove function.
2916 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2917 (delete_tree_ssa): Remove call to delete_old_heapvars.
2918 Add call to delete_alias_heapvars.
2919 * tree-flow.h (referenced_var_remove): Remove prototype
2920 (init_alias_heapvars): New prototype.
2921 (delete_alias_heapvars): Ditto.
2922 * Makefile.in (tree-ssa-structalias.o): Add
2923 gt-tree-ssa-structalias.o
2924 (GTFILES): Add tree-ssa-structalias.h and
2925 tree-ssa-structalias.c.
2926 (s-gtype): Add gt-tree-ssa-structalias.h.
2927 * tree-ssa-structalias.c (heapvars): Remove.
2928 (oldheapvars): Remove.
2929 (heapvar_for_stmt): New variable.
2930 (heapvar_lookup): New function.
2931 (heapvar_insert): Ditto.
2932 (get_constraint_for): See if we have an old heapvar
2933 to reuse.
2934 (init_alias_heapvars): New function.
2935 (delete_alias_heapvars): Ditto.
2936 Add include of gt-tree-ssa-structalias.h.
2937
2938 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2939
2940 PR middle-end/22127
2941 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2942
2943 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
2944
2945 * tree.c (int_fits_type_p): Only look at the base type
2946 if it has the same precision as the original type.
2947
2948 2005-11-10 Jakub Jelinek <jakub@redhat.com>
2949
2950 PR other/4372
2951 * varasm.c (assemble_alias): Use %q+D in the error
2952 message instead of %J and %qD.
2953
2954 2005-11-10 Richard Guenther <rguenther@suse.de>
2955
2956 * gcse.c (free_ldst_entry): Only free hashtable if
2957 it exists.
2958
2959 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2960
2961 * function.c (assign_stack_local_1): Issue an error message if
2962 the frame size overflows in the signed target arithmetics.
2963
2964 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2965
2966 * tree.c (build_qualified_type): Chain the new type to the original
2967 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2968 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2969 (build_pointer_type_for_mode): Only return unqualified types.
2970 (build_reference_type_for_mode): Likewise.
2971
2972 2005-11-09 Jakub Jelinek <jakub@redhat.com>
2973
2974 * Makefile.in (gnucompare): Do comparison of all files using one of
2975 the chosen methods and only afterwards decide if just warning should
2976 be issued or comparison failure raised.
2977
2978 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2979
2980 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2981 (noce_try_abs): Negate if the comparison is reversed.
2982 Look only one instruction backwards for a REG_EQUAL note.
2983
2984 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2985
2986 PR other/4372
2987 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2988 gthr-tpf.h: Define __gthrw. For all identifiers that might
2989 be weak, introduce weakrefs or non-weak aliases with __gthrw,
2990 and prefix all uses with __ghtrw.
2991
2992 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2993
2994 PR other/4372
2995 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2996 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
2997 * c-common.c (handle_weakref_attribute): New.
2998 (c_common_attribute_table): Add weakref.
2999 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3000 in the assembler.
3001 * configure, config.in: Rebuilt.
3002 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3003 * doc/extend.texi: Document weakref attribute.
3004 * varasm.c (ultimate_transparent_alias_target): New
3005 (assemble_name): Use it.
3006 (weak_finish_1): Split out of...
3007 (weak_finish): ... and deal with weakrefs in...
3008 (weakref_targets): ... new list.
3009 (globalize_decl): Clean up weakref_targets.
3010 (do_assemble_alias): Handle weakrefs.
3011 (finish_aliases_1): Do not reject weakrefs to external symbols.
3012 (assemble_alias): Handle weakrefs.
3013
3014 2005-11-09 Richard Guenther <rguenther@suse.de>
3015
3016 PR tree-optimization/24716
3017 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3018 t_bool to track results from follow_ssa_edge.
3019
3020 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3021
3022 * final.c (force_source_line): New global variable.
3023 (final_scan_insn): Set it to true instead of clearing last_filename.
3024 (notice_source_line): Return true if force_source_line is true,
3025 unless source info is absent.
3026
3027 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3028
3029 PR c/24644
3030 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3031 a linkage name for a variable if it a register variable.
3032 * c-decl.c (grokdeclarator): Global register variables
3033 should be set as PUBLIC.
3034
3035 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3036
3037 PR 24624
3038 * config/s390/s390.c (struct s390_frame_layout): New fields
3039 first_save_gpr_slot and last_save_gpr_slot.
3040 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3041 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3042 first_save_gpr and last_save_gpr with the _slot variants.
3043 (s390_register_info): Calculate first_save_gpr_slot and
3044 last_save_gpr_slot using regs_ever_live.
3045
3046 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3047
3048 PR 24623
3049 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3050 for a function containing a landing pad.
3051
3052 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3053
3054 PR 24034
3055 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3056 is live afterwards.
3057
3058 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3059
3060 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3061 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3062
3063 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3064
3065 Add ms2 support
3066 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3067 constants.
3068 (call,load,store): New insn types.
3069 (mem_access, branch_access): Adjust reservation conditions.
3070 (define_delay): Adjust condition.
3071 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3072 type.
3073 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3074 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3075 insn type.
3076 (call_internal, call_value_internal, return_internal,
3077 return_interrupt_internal, eh_return_internal, indirect_jump,
3078 tablejump): Set call insn type.
3079 (blockage, ei, di): Use appropriate unspec const.
3080 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3081 (ms1_get_attr_type): Adjust to give load & store types.
3082 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3083 backwards past a barrier.
3084 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3085 branch scheduling.
3086 (struct branch_info, struct label_info): New.
3087 (ms1_labels): New.
3088 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3089 (ms1_machine_reorg): New.
3090 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3091 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3092 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3093 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3094 (TARGET_MS2): New.
3095
3096 2005-11-09 Per Bothner <per@bothner.com>
3097 Uros Bizjak <uros@kss-loka.si>
3098
3099 PR c/24101
3100 * toplev.c (process_options): Initialize debug_hooks early
3101 in case lang_hooks.post_options ends up calling a debug_hook.
3102
3103 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3104
3105 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3106 DBX_REGISTER_NUMBER being contiguous.
3107
3108 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3109 Diego Novillo <dnovillo@redhat.com>
3110
3111 PR 23046
3112 * tree-vrp.c (register_edge_assert_for): Do not register
3113 always-false predicates.
3114
3115 2005-11-08 Devang Patel <dpatel@apple.com>
3116
3117 PR tree-optimization/23115
3118 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3119 relation.
3120
3121 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3122
3123 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3124 -mcpu=440.
3125
3126 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3127
3128 Fix PR tree-optimization/23382
3129
3130 * tree-ssa-alias.c (compute_may_aliases): Call
3131 delete_old_heap_vars.
3132 * tree-dfa.c (referenced_var_remove): New function.
3133 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3134 * tree-flow.h (referenced_var_remove): Add prototype.
3135 (delete_old_heap_vars): Ditto.
3136 * tree-ssa-structalias.c (heapvars): New variable.
3137 (oldheapvars): Ditto.
3138 (get_constraint_for): Put heap vars on heapvars list.
3139 (delete_old_heap_vars): New function.
3140
3141 2005-11-08 Jason Merrill <jason@redhat.com>
3142
3143 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3144
3145 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3146
3147 PR target/19340
3148 * reg-stack.c (reg_to_stack): Update register liveness also
3149 for flag_sched2_use_traces.
3150
3151 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3152
3153 PR target/23704
3154 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3155 override prior explicit -mno-powerpc-gfxopt.
3156
3157 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3158
3159 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3160 if the bitsize is zero.
3161 * doc/md.texi (Standard Pattern Names): Document it.
3162
3163 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3164 (TARGET_PASS_BY_REFERENCE): Likewise.
3165
3166 2005-11-07 Ian Lance Taylor <ian@airs.com>
3167
3168 PR rtl-optimization/24683
3169 * config/i386/i386.c (legitimize_pic_address): If constant operand
3170 to PLUS is too large, put it in a register.
3171
3172 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3173
3174 * configure.ac: Enable checking assembler dwarf2 support for bfin
3175 target.
3176 * configure: Regenerate.
3177
3178 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3179
3180 PR target/24230
3181
3182 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3183 gen_easy_vector_constant_add_self): Delete.
3184 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3185 New.
3186 (output_vec_const_move): Use gen_easy_altivec_constant.
3187 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3188 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3189 (easy_vector_constant_add_self): Rewritten.
3190 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3191 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3192 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3193 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3194 Macroize and adjust for the other changes.
3195
3196 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3197
3198 PR c/24599
3199
3200 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3201 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3202
3203 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3204
3205 PR rtl-optimization/23567
3206 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3207 (noce_process_if_block): Don't do any optimizations except
3208 if (cond) x = x; if !set_b and write into orig_x may trap
3209 or fault. Remove the MEM_READONLY_P check.
3210
3211 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3212
3213 PR 24670
3214 * tree-vrp.c (fix_equivalence_set): New.
3215 (extract_range_from_assert): Call it.
3216
3217 2005-11-05 Ian Lance Taylor <ian@airs.com>
3218
3219 PR target/22432
3220 * combine.c (apply_distributive_law): Don't distribute across a
3221 vector mode subreg.
3222
3223 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3224
3225 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3226 config/ms1/ms1.h, config/rs6000/predicates.md,
3227 config/s390/s390.c, params.def, postreload-gcse.c,
3228 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3229 tree-vrp.c, tree.c: Fix comment typos.
3230 * doc/invoke.texi: Fix typos.
3231
3232 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3233
3234 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3235 for testing whether the data_dependence_relation contains distance
3236 vectors. Iterate over all distance vectors of the ddr.
3237 * lambda.h: Define a vec of lambda_vector pointers.
3238 * tree-data-ref.c (dump_data_dependence_relation,
3239 dump_data_dependence_direction): Iterate over all distance and
3240 direction vectors of the ddr.
3241 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3242 DDR_DIST_VECTS.
3243 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3244 of distance/direction vectors instead of a single one.
3245 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3246 lambda_vectors with a vec of lambda_vectors.
3247 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3248 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3249 DDR_NUM_DIST_VECTS): New.
3250 * tree-loop-linear.c (gather_interchange_stats): Test for the
3251 existence of distance vectors only after having checked that there
3252 is a dependence. Iterate over all distance vectors of the ddr.
3253 (linear_transform_loops): Use dump_data_dependence_relation.
3254 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3255 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3256 distance vectors of the ddr.
3257
3258 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3259
3260 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3261 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3262 IS_INTHANDLER; all callers changed.
3263 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3264 account.
3265 (do_link, do_unlink): New argument ALL; all callers changed.
3266 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3267 If function isn't leaf, save and restore all registers.
3268 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3269 exception handler.
3270
3271 2005-11-05 Jan Hubicka <jh@suse.cz>
3272
3273 PR rtl-optimization/23490
3274 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3275 max-flow-memory-location): Document.
3276 * flow.c: Include params.h
3277 (MAX_MEM_SET_LIST_LEN): Kill.
3278 (add_to_mem_set_list): Use new param.
3279 * cse.c (cse_basic_block): Replace 1000 by new param.
3280 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3281 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3282 * predict.c (predict_loops): Use new param.
3283 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3284
3285 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3286 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3287 Do not hold memory returned by cgraph_node_name across other call.
3288
3289 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3290
3291 PR target/23424
3292 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3293 Disable.
3294
3295 2005-11-04 Jeff Law <law@redhat.com>
3296
3297 PR/21883
3298 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3299 * tree-ssa-dom.c: Include params.h.
3300 (thread_across_edge): If there are too many statements in the
3301 target block, then do not thread through it.
3302 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3303 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3304
3305 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3306
3307 PR 24627
3308 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3309 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3310
3311 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3312
3313 PR/18595
3314 * tree-scalar-evolution.c (instantiate_parameters_1,
3315 instantiate_parameters, resolve_mixers): Compute the size of an
3316 expression to be instantiated and give up the instantiation if the
3317 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3318
3319 2005-11-04 Richard Guenther <rguenther@suse.de>
3320
3321 * tree-flow.h (ref_contains_indirect_ref): Rename to
3322 array_ref_contains_indirect_ref.
3323 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3324 (array_ref_contains_indirect_ref): Make comment match the code
3325 and vice-versa.
3326 (ref_contains_array_ref): Likewise.
3327 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3328 ref_contains_indirect_ref.
3329 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3330 Rename calls to ref_contains_indirect_ref.
3331
3332 2005-11-04 Paul Brook <paul@codesourcery.com>
3333
3334 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3335 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3336 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3337 * config/arm/arm.md: Use match_operand in peephole input templates
3338 and match_dup in peephole output templates.
3339
3340 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3341
3342 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3343 __aeabi_uidiv.
3344
3345 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3346 Daniel Jacobowitz <dan@codesourcery.com>
3347
3348 * longlong.h (add_ssaaaa): Clobber condition code register
3349 in ARM version.
3350 (sub_ddmmss): Likewise.
3351 (umul_ppmm): Likewise.
3352
3353 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3354 Paul Brook <paul@codesourcery.com>
3355 Phil Blundell <pb@reciva.com>
3356
3357 * configure.ac: Add test for ARM TLS support.
3358 * configure: Regenerated.
3359 * config/arm/arm-protos.h (legitimize_tls_address)
3360 (arm_tls_referenced_p, tls_mentioned_p)
3361 (arm_output_addr_const_extra): New prototypes.
3362 (thumb_legitimize_pic_address): Delete.
3363 * config/arm/arm.c: Include "gt-arm.h".
3364 (enum tls_reloc): New.
3365 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3366 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3367 (arm_call_tls_get_addr, legitimize_tls_address)
3368 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3369 (arm_init_tls_builtins, arm_emit_tls_decoration)
3370 (arm_output_addr_const_extra): New functions.
3371 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3372 (TARGET_HAVE_TLS): Define.
3373 (target_thread_pointer): New.
3374 (arm_override_options): Handle -mtp=.
3375 (legitimize_pic_address): Ignore UNSPECs.
3376 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3377 relative symbols.
3378 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3379 (tls_get_addr_libfunc): New variable.
3380 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3381 (arm_init_builtins): Call arm_init_tls_builtins.
3382 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3383 (arm_encode_section_info): Call default_encode_section_info.
3384 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3385 (enum arm_tp_type): New.
3386 (target_thread_pointer): Add declaration.
3387 (LEGITIMATE_CONSTANT_P): Handle TLS.
3388 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3389 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3390 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3391 * config/arm/arm.md: Add UNSPEC_TLS.
3392 (movsi): Handle TLS.
3393 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3394 non-PIC.
3395 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3396 (load_tp_hard, load_tp_soft): New insns.
3397 * arm.opt: Add -mtp=.
3398 * doc/invoke.texi (ARM Options): Document -mtp.
3399
3400 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3401
3402 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3403 * config/arm/libunwind.S: Include "lib1funcs.asm".
3404 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3405 (LIB2ADDEH): Add libunwind.S.
3406 (LIB2ADDEHDEP): Add lib1funcs.asm.
3407 * mklibgcc.in: Handle asm files in libgcc_eh.a.
3408
3409 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3410
3411 PR fortran/18452
3412 * gcc/c.opt: Add a -lang-fortran option.
3413 * gcc/c-opts.c: Add a lang_fortran flag.
3414 (c_common_init_options): Handling the -lang-fortran option.
3415 (c_common_handle_option): Add a case for Fortran options in
3416 preprocessing. Remove cases for -ffixed-form and
3417 -ffixed-line-length. Add a case for -lang-fortran.
3418
3419 2005-11-03 David Edelsohn <edelsohn@gnu.org>
3420
3421 * config/rs6000/rs6000.c: Include params.h
3422 (optimization_options): Set max-grow-copy-bb-insns default to 16.
3423 (bdesc_2arg): Delete vpkuhss and vpkuwss.
3424 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3425 (UNSPEC_VPKUWSS): Delete.
3426 (altivec_vpkuhss): Delete.
3427 (altivec_vpkuwss): Delete.
3428 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3429 final condition.
3430 (neg_eq0<mode>): Remove final condition.
3431 (neg_eq<mode>): Remove condition and split-condition.
3432
3433 2005-11-04 Alan Modra <amodra@bigpond.net.au>
3434
3435 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3436 Use associated print macros.
3437
3438 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3439
3440 PR c++/17964
3441 * diagnostic.c (diagnostic_set_info_translated): New function.
3442 (diagnostic_set_info): Use it. Add comment.
3443 * diagnostic.h (diagnostic_set_info_translated): Declare.
3444
3445 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
3446
3447 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3448 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3449 reference only if 'public' is true.
3450 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3451 emit the .hidden directive only if the indirect reference is public.
3452 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3453 Pass it to dw2_force_const_mem.
3454 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3455 * dwarf2out.c (output_cfi): Adjust calls to above function.
3456 (output_call_frame_info): Likewise.
3457 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3458 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3459
3460 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
3461
3462 PR tree-optimization/24483
3463 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3464 field to elts if possible.
3465
3466 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3467
3468 PR middle-end/23155
3469 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3470 CONSTRUCTOR.
3471
3472 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
3473
3474 Fix PR tree-optimization/24351
3475
3476 * tree-ssa-structalias.c (struct variable_info): Add
3477 collapsed_into.
3478 (get_varinfo_fc): New function to follow collapsing.
3479 (new_var_info): Set collapsed_to to NULL.
3480 (dump_constraint): Follow collapsing.
3481 (build_constraint_graph): Handle collapsing.
3482 (do_simple_structure_copy): Return false if something bad
3483 happened.
3484 (collapse_rest_of_var): New function.
3485 (do_structure_copy): Collapse if do_simple_structure_copy returns
3486 false.
3487
3488 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3489
3490 PR middle-end/24589
3491 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3492 expressions to a statement list instead of gimplifying them.
3493
3494 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3495
3496 PR rtl-optimization/23585
3497 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3498 that can't trap plus a constant integer, if the mode has zero size.
3499
3500 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
3501
3502 PR target/24620
3503 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3504 as operand 2.
3505 ("*insv<mode>_reg_extimm"): Likewise.
3506
3507 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3508
3509 PR c/24329
3510 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3511 c_common_type_for_mode returns an unnamed type.
3512
3513 2005-11-02 Richard Henderson <rth@redhat.com>
3514
3515 PR target/9350
3516 PR target/24374
3517 * dwarf2out.c (dwarf2out_reg_save_reg): New.
3518 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3519 * function.c (assign_parms): Use calls.internal_arg_pointer.
3520 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3521 code.
3522 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3523 (TARGET_CALLS): Add it.
3524 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3525 * targhooks.c (default_internal_arg_pointer): New.
3526 * targhooks.h (default_internal_arg_pointer): Declare.
3527 * tree.h (dwarf2out_reg_save_reg): Declare.
3528 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3529 * config/i386/i386.c (dbx_register_map): Add return column.
3530 (dbx64_register_map, svr4_dbx_register_map): Likewise.
3531 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3532 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3533 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3534 (ix86_save_reg): Save force_align_arg_pointer.
3535 (ix86_emit_save_regs): Make regno unsigned.
3536 (ix86_emit_save_regs_using_mov): Likewise.
3537 (ix86_expand_prologue): Handle force_align_arg_pointer.
3538 (ix86_expand_epilogue): Likewise.
3539 * config/i386/i386.h: (dbx_register_map): Update.
3540 (dbx64_register_map, svr4_dbx_register_map): Update.
3541 (struct machine_function): Add force_align_arg_pointer.
3542 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3543 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3544 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3545
3546 2005-11-02 Jan Hubicka <jh@suse.cz>
3547
3548 PR target/23303
3549 * i386.md: Add peep2 for simplyfing array accesses.
3550
3551 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3552
3553 PR target/24615
3554 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3555 * config/s390/s390.c (s390_decompose_shift_count): New function.
3556 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3557 (print_shift_count_operand): Use s390_decompose_shift_count.
3558 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3559 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
3560
3561 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3562
3563 PR target/24600
3564 * loop.c (loop_givs_rescan): Use force_operand to expand
3565 complex GIVs.
3566
3567 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
3568
3569 PR 22429
3570 * fold-const.c (build_range_check): Use unsigned when signed
3571 overflow is undefined also. If etype is subtype, make sure that
3572 the subtraction is in the supertype.
3573
3574 2005-11-02 Richard Henderson <rth@redhat.com>
3575
3576 PR target/24178
3577 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3578 by MEM_ALIGN.
3579
3580 2005-11-01 Richard Henderson <rth@redhat.com>
3581
3582 PR 21518
3583 * loop.c (scan_loop): Do not propagate computations to a hard
3584 register destination with SMALL_REGISTER_CLASSES.
3585
3586 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
3587
3588 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3589 costs for MULT inside PLUS or MINUS.
3590
3591 2005-11-01 Bob Wilson <bob.wilson@acm.org>
3592
3593 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3594 (TRAMPOLINE_SIZE): Round up to 60.
3595 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3596
3597 2005-10-31 James E. Wilson <wilson@specifix.com>
3598
3599 PR debug/24444
3600 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3601 ifdef. Put ifdefs around call in gen_subprogram_die.
3602 (compute_frame_pointer_to_cfa_displacement): Likewise.
3603 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3604 not defined.
3605
3606 PR rtl-optimization/17356
3607 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
3608 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3609
3610 2005-10-31 Jan Hubicka <jh@suse.cz>
3611
3612 PR middle-end/24093
3613 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3614
3615 PR target/20928
3616 * i386.c (legitimize_pic_address): Deal with large immediates.
3617
3618 PR profile/20815
3619 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3620 from symbol names while computing checkup.
3621
3622 PR profile/24487
3623 * predict.c (predict_loops): Do not estimate more than
3624 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3625 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3626
3627 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
3628
3629 PR tree-optimization/19097
3630 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3631
3632 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
3633
3634 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3635
3636 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
3637
3638 PR middle-end/23492
3639 * tree-inline.c (setup_one_parameter): If the init_stmt
3640 is NULL, don't insert the statement.
3641
3642 2005-10-30 Jan Hubicka <jh@suse.cz>
3643
3644 PR tree-optimization/24172
3645 * tree-inline.c (copy_body_r): Unshare the substituted value first.
3646
3647 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
3648
3649 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3650 constants for hosts with long != 32 bits.
3651
3652 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
3653
3654 PR middle-end/24093
3655 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3656
3657 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
3658
3659 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3660 (TARGET_MS1_16_002): New.
3661 (TARGET_MS1_16_003): New.
3662
3663 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3664 ("*decrement_and_branch_until_zero_no_clobber"): New.
3665 Add corresponding splitter for decrement_and_branch_until_zero
3666 instruction.
3667 Key all decrement_and_branch_until_zero patterns off of
3668 TARGET_MS1_16_003.
3669
3670 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
3671
3672 PR middle-end/24362
3673 * tree-complex.c (extract_component): Treat RESULT_DECL
3674 like the rest of the decls.
3675
3676 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
3677
3678 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3679 indirect call to _mcount if the function needs a static chain.
3680
3681 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
3682 Caroline Tice <ctice@apple.com>
3683
3684 PR rtl-optimization/24460
3685 * dwarf2out.c (have_switched_text_sections): New boolean variable.
3686 (dwarf2out_switch_text_section): Set it to true instead of
3687 incrementing separate_line_info_table_in_use.
3688 (output_loc_list): Additionally test have_switched_text_sections.
3689 (output_ranges): Likewise.
3690 (dwarf2out_finish): Likewise.
3691 * varasm.c (assemble_start_function): Do not call
3692 insert_section_boundary_note.
3693 (assemble_end_function): If flag_reorder_blocks_and_partition,
3694 switch to the function's section before emitting the .size directive.
3695 * bb-reorder.c (insert_section_boundary_note): Staticify.
3696 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3697 * output.h (insert_section_boundary_note): Delete.
3698
3699 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
3700
3701 PR c/23103
3702 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3703 instead of pointer equality when comparing types.
3704
3705 2005-10-24 James E. Wilson <wilson@specifix.com>
3706
3707 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3708 add_dependence_list_and_free calls.
3709
3710 2005-10-24 Steven Bosscher <stevenb@suse.de>
3711
3712 * contrib.texi: Add the names of the LLNL folks who donated
3713 Cray pointer support for gfortran.
3714
3715 2005-10-24 Steven Bosscher <stevenb@suse.de>
3716
3717 PR tree-optimization/24225
3718 * profile.c (branch_prob): Look from end to start through a
3719 basic block when looking for a locus.
3720
3721 2005-10-24 Richard Henderson <rth@redhat.com>
3722
3723 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3724 parallel.
3725 (hppa_expand_prologue): Likewise.
3726
3727 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3728
3729 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3730 (NO_DEFERRED_PROFILE_COUNTERS): Define.
3731 * pa.h (NO_PROFILE_COUNTERS): Define.
3732 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3733 (funcdef_nos): New vector to hold label numbers of deferred profile
3734 counters.
3735 (output_deferred_profile_counters): New function.
3736 (hppa_profile_hook): Push label number onto funcdef_nos.
3737 (pa_hpux_file_end): Call output_deferred_profile_counters if
3738 NO_DEFERRED_PROFILE_COUNTERS is false.
3739
3740 * pa-protos.h (get_deferred_plabel): New prototype.
3741 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
3742 Make global.
3743 (output_call): Adjust calls.
3744
3745 2005-10-24 Alan Modra <amodra@bigpond.net.au>
3746
3747 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3748 peculiarity of GOT/TOC section usage.
3749
3750 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
3751
3752 PR objc/24435
3753 * c-common.c (constant_string_class_name): Add documentation.
3754
3755 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
3756
3757 PR target/23832
3758 * recog.c (peephole2_optimize): Increment peep2_current_count
3759 only when the slot is empty.
3760
3761 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3762
3763 PR ada/23957
3764 * except.c (output_function_exception_table): Call
3765 assemble_external_libcall if we need a personality function.
3766
3767 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3768
3769 PR rtl-optimization/24460
3770 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3771 set the basic block for barriers.
3772
3773 2005-10-21 Janis Johnson <janis187@us.ibm.com>
3774
3775 * var-tracking.c (vt_initialize): Initialize post.
3776
3777 2005-10-21 Devang Patel <dpatel@apple.com>
3778
3779 PR/24220
3780 * c-common.c (vector_types_convertible_p): Check vector element type.
3781
3782 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
3783
3784 * config/sh/sh.c (prepare_move_operands): Handle the address
3785 constant which is a tls symbolic address plus a constant.
3786
3787 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
3788
3789 PR driver/24473
3790 * gcc.c (main): Use the correct counter for erroring out
3791 about mulitple files.
3792
3793 2005-10-21 Alan Modra <amodra@bigpond.net.au>
3794
3795 PR target/24465
3796 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3797 use r2 for 64-bit tls .got access.
3798
3799 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
3800
3801 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3802 TRUTH_OR_EXPR.
3803
3804 2005-10-20 Steven Bosscher <stevenb@suse.de>
3805
3806 PR tree-optimization/24307
3807 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3808
3809 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
3810
3811 PR middle-end/24295
3812 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3813 alias targets.
3814 * varasm.c (find_decl_and_mark_needed): After cgraph global info
3815 is ready, stop marking functions, but still mark variables.
3816
3817 2005-10-20 Richard Guenther <rguenther@suse.de>
3818
3819 PR c++/24439
3820 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3821 void type operands.
3822
3823 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
3824
3825 PR rtl-optimization/23585
3826 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3827 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
3828 (may_trap_p_1): New predicate extracted from...
3829 (may_trap_p): ... here. Invoke may_trap_p_1.
3830 (may_trap_or_fault_p): New predicate.
3831 * rtl.h (may_trap_or_fault_p): Declare it.
3832 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3833 instead of may_trap_p.
3834 (steal_delay_list_from_fallthrough): Likewise.
3835 (fill_simple_delay_slots): Likewise.
3836 (fill_slots_from_thread): Likewise.
3837 * function.c (pad_to_arg_alignment): Rework comment about
3838 SPARC_STACK_BOUNDARY_HACK.
3839 * config/sparc/sparc.h: Likewise.
3840
3841 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
3842
3843 * config/s390/s390.c (s390_expand_insv): New.
3844 * config/s390/s390-protos.h (s390_expand_insv): Declare.
3845 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3846 ("icm_hi"): Remove mode attribute.
3847 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3848 Adjust all uses.
3849 ("*extracthi", "*extractqi"): Remove.
3850 (extv<mode>", "*extzv<mode>"): New.
3851 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3852 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3853
3854 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3855
3856 * cfgexpand.c (discover_nonconstant_array_refs_r,
3857 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3858 (tree_expand_cfg): Call discover_nonconstant_array_refs.
3859 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3860 discover_nonconstant_array_refs.
3861
3862 2005-10-19 Steven Bosscher <stevenb@suse.de>
3863
3864 PR c/23228
3865 * c-decl.c (pop_scope): Don't warn about an unused variable
3866 if it is marked with TREE_NO_WARNING.
3867 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3868 somenow mismatch and olddecl is to be replaced.
3869
3870 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
3871
3872 PR middle-end/23199
3873 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3874 whether registers live on the edge can be saved/restored.
3875
3876 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
3877
3878 * config/sh/sh.c (fixup_mova): Skip notes.
3879
3880 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3881
3882 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3883 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3884 (s390_can_eliminate): Handle BASE_REGNUM elimination.
3885 (s390_initial_elimination_offset): Likewise.
3886 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3887 register on TARGET_ZARCH targets.
3888 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3889 (INITIAL_FRAME_POINTER_OFFSET): Remove.
3890 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3891 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3892
3893 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3894
3895 * config/s390/s390.md: Comment describing output modifiers updated.
3896 * config/s390/s390.c (print_operand): Likewise.
3897
3898 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3899
3900 * config/s390/s390.c (override_options): Added check for -mstack-size
3901 64k limitation.
3902 * doc/invoke.texi: Mention that limit in the documenation.
3903
3904 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
3905
3906 PR #19672
3907 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3908
3909 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
3910
3911 Fix PR tree-optimization/24231
3912
3913 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3914 (compute_avail): Ditto.
3915
3916 2005-10-18 Richard Henderson <rth@redhat.com>
3917
3918 PR target/24428
3919 * config/i386/i386.c (legitimate_constant_p): Check
3920 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
3921 if LABEL_REF.
3922 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3923 (legitimate_pic_address_disp_p): Reorg CONST checking to make
3924 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
3925 directly.
3926 (print_operand_address): Likewise.
3927 * config/i386/predicates.md (x86_64_immediate_operand): Test
3928 SYMBOL_REF_TLS_MODEL properly inside CONST.
3929 (x86_64_zext_immediate_operand): Likewise.
3930 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3931 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3932 * config/i386/i386-protos.h: Remove predicates.md entries.
3933
3934 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
3935
3936 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3937 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3938
3939 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
3940 Ian Lance Taylor <ian@airs.com>
3941
3942 PR middle-end/23522
3943 * fold-const.c (fold_widened_comparison): Do not allow range based
3944 constant folding when right operand cannot be unwidened.
3945
3946 2005-10-17 Richard Henderson <rth@redhat.com>
3947
3948 * builtins.c (expand_builtin_synchronize): Build a new-style asm
3949 with a memory clobber.
3950
3951 2005-10-17 James E Wilson <wilson@specifix.com>
3952
3953 PR rtl-optimization/17356
3954 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3955 checking for EDGE_EH.
3956
3957 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
3958
3959 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3960 the slot on an even boundary for any type with 16-byte alignment.
3961
3962 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
3963
3964 PR target/23424
3965 * md.texi (Modifiers) <%>: Clarify that % doesn't work
3966 after register allocation.
3967
3968 2005-10-17 DJ Delorie <dj@redhat.com>
3969
3970 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3971 as frame related.
3972
3973 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
3974
3975 PR c++/22551
3976 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3977 overflow flags.
3978
3979 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
3980
3981 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3982 to 2 if it's already non-zero.
3983 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3984 is set and warn about it if flag_schedule_insns is 1.
3985
3986 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
3987
3988 * config/crx/crx.md: Compare-and-branch instructions need to
3989 invalidate CC.
3990
3991 2005-10-17 Uros Bizjak <uros@kss-loka.si>
3992
3993 PR target/24315
3994 * config/i386/i386.md (*pushdi2_rex64 splitter)
3995 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3996 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3997 flow2 pass only when (optimize > 0 && flag_peephole2).
3998
3999 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4000
4001 PR driver/22544
4002 * gcc.c (have_c): New static variable.
4003 (have_o): Likewise.
4004 (process_command): Remove declation of have_c.
4005 Set have_o to 1 when handling -o.
4006 (main): Add a fatel error if there are multiple
4007 files specified and -o and -c/-S is passed witout
4008 -combine or multiple languages.
4009
4010 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4011
4012 Fix PR tree-optimization/22444
4013 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4014 Assert that we don't hit something with subvars.
4015 (setup_pointers_and_addressables): Don't add things with subvars,
4016 because we'll already process the subvars for aliasing purposes.
4017
4018 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4019
4020 PR target/23424
4021 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4022 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4023 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4024 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4025 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4026 swapped, alternatives for the R constraint.
4027
4028 PR middle-end/24341
4029 * builtins.c (get_builtin_sync_mode): Make unlimited
4030 mode_for_size request.
4031
4032 2005-10-15 Richard Henderson <rth@redhat.com>
4033
4034 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4035 (gimplify_expr): ... here.
4036 (gimplify_compound_lval): Use it in initial scan loop. Allow
4037 fb_lvalue in base expression.
4038
4039 2005-10-15 Richard Henderson <rth@redhat.com>
4040
4041 PR 23714
4042 * builtins.c (expand_builtin_trap): Export.
4043 * expr.h (expand_builtin_trap): Declare.
4044 * expr.c (expand_assignment): Emit a trap for integral offsets
4045 from registers that weren't reduced to bitpos.
4046
4047 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4048 (mark_array_ref_addressable): Remove.
4049 * tree-flow.h (mark_array_ref_addressable): Remove.
4050 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4051
4052 2005-10-15 James E Wilson <wilson@specifix.com>
4053
4054 PR target/24232
4055 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4056 (add_dependence_list_and_free): Likewise.
4057 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4058 call.
4059
4060 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4061
4062 PR 23141
4063 PR 23142
4064 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4065 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4066 anti-range.
4067 (vrp_visit_phi_node): Only prevent infinite iterations when
4068 the previous result and the new result are both VR_RANGEs.
4069
4070 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4071
4072 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4073 function comment.
4074
4075 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4076
4077 PR c/23439
4078 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4079 to initialize loc.
4080
4081 2005-10-14 Per Bothner <per@bothner.com>
4082
4083 PR preprocessor/21250
4084 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4085
4086 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4087
4088 PR c++/22551
4089 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4090 overflow flags. Refactor some conditionals.
4091
4092 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4093
4094 PR tree-opt/21304
4095 * tree-dfa.c (add_referenced_var): Only look at decls which
4096 have TREE_CONSTANT or TREE_READONLY set instead of if
4097 !TREE_PUBLIC or !TREE_CONSTANT.
4098
4099 2005-10-13 James E Wilson <wilson@specifix.com>
4100
4101 * doc/invoke.texi: For -x, add f95-cpp-input.
4102 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4103
4104 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4105
4106 PR tree-optimization/24262
4107 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4108 in loop all the time.
4109
4110 2005-10-12 Richard Henderson <rth@redhat.com>
4111
4112 PR c/24255
4113 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4114 * function.c (assign_parm_find_data_types): Don't support it.
4115 * print-tree.c (print_node): Likewise.
4116 * c-common.c (handle_transparent_union_attribute): Likewise.
4117 Use build_duplicate_type.
4118 * tree-inline.c (remap_type_1): Split out of remap_type;
4119 properly remap aggregate fields.
4120 (build_duplicate_type): New.
4121 * doc/extend.texi (Variable Attributes): Remove documentation
4122 for transparent_union.
4123
4124 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4125
4126 PR target/24284
4127 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4128 (gen_stack_pointer_dec): Likewise.
4129
4130 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4131
4132 PR middle-end/21275
4133 PR middle-end/21766
4134 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4135 target hook.
4136 (struct cxx): Add adjust_class_at_definition target hook.
4137 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4138 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4139 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4140 hook_void_tree. Add to TARGET_CXX.
4141 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4142 dllimport_flag.
4143 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4144 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4145 instead of attribute. Check for dllexport override. Warn if
4146 inconsistent dll linkage. Don't lose old dllimport if decl has
4147 had address referenced. Tweak lookup of dllimport atribute.
4148 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4149 for target specific rules. Don't add dllimport attribute if
4150 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4151 dllimport attribute.
4152 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4153 * varasm.c (initializer_constant_valid_p): Replace
4154 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4155
4156 PR target/21801
4157 PR target/23589
4158 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4159 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4160 (i[34567]86-*-mingw32*): Likewise.
4161
4162 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4163 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4164
4165 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4166 C++-specific code. Change return value to bool.
4167 (i386_pe_dllimport_p): Likewise.
4168 (associated_type): Simplify and make language-independent
4169 (i386_pe_encode_section_info): Replace override of ambiguous
4170 dllimport symbol refs with a gcc_assert.
4171 (i386_pe_valid_dllimport_attribute_p): Define.
4172 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4173 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4174 i386_pe_adjust_class_at_definition.
4175 * config/i386/winnt-stubs.c: New file. Define stub versions of
4176 lang-specific functions.
4177 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4178 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4179 i386_pe_adjust_class_at_definition.
4180 (i386_pe_valid_dllimport_attribute_p): Declare.
4181 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4182 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4183 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4184
4185 PR target/19704
4186 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4187 dllimport attribute with test of DECL_DLLIMPORT_P.
4188
4189 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4190
4191 * combine.c (make_extraction): Correct offset computation.
4192
4193 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4194
4195 * config/cris/t-linux (LIMITS_H_TEST): Define.
4196
4197 2005-10-12 Richard Henderson <rth@redhat.com>
4198
4199 PR rtl-opt/23324
4200 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4201
4202 2005-10-12 Richard Guenther <rguenther@suse.de>
4203
4204 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4205
4206 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4207
4208 PR c++/19964
4209 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4210 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4211 type.
4212
4213 2005-10-12 Richard Guenther <rguenther@suse.de>
4214
4215 PR c++/23799
4216 * varasm.c (output_constant): Correct typo from previous
4217 patch by DJ.
4218
4219 2005-10-11 Ian Lance Taylor <ian@airs.com>
4220
4221 PR rtl-optimization/13931
4222 * combine.c: Revert patch of 2003-05-14, and:
4223 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4224 completely killed in the appropriate insn.
4225 (distribute_notes): Don't skip multiple hard register test for
4226 elim_i1 and elim_i2.
4227
4228 2005-10-11 Richard Henderson <rth@redhat.com>
4229
4230 PR c/24255
4231 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4232 to initialize a transparent union instead of a nop_expr.
4233
4234 2005-10-11 Richard Henderson <rth@redhat.com>
4235
4236 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4237 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4238 (tree_ssa_dce_loop): Call scev_reset.
4239
4240 PR tree-opt/24300
4241 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4242 * tree-ssa-dce.c: Include cfgloop.h.
4243 (tree_ssa_dce_loop, pass_dce_loop): New.
4244 * tree-pass.h (pass_dce_loop): Declare it.
4245 * passes.c (init_optimization_passes): Use it.
4246
4247 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4248
4249 PR middle-end/24263
4250 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4251 Only apply the optimization for rounding builtins if the inner
4252 cast is also an extension.
4253
4254 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4255
4256 PR tree-opt/23946
4257 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4258 mark_new_vars_to_rename instead of update_stmt.
4259
4260 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4261
4262 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4263
4264 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4265
4266 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4267 for setting MMX register to 0 rather than mmx.
4268
4269 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4270
4271 PR target/12098
4272 * configure.ac: Move gas check from mips specific case to common case.
4273 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4274 * configure: Regenerate
4275 * doc/install.texi: Update.
4276
4277 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4278
4279 PR target/24284
4280 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4281
4282 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4283
4284 * gcc.c (do_spec_1): Accept numeric characters in file name
4285 suffixes.
4286
4287 2005-10-10 Nick Clifton <nickc@redhat.com>
4288
4289 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4290 describing the deleted arm_gen_rotated_half_load function.
4291
4292 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4293
4294 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4295 __fpscr_values.
4296
4297 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4298
4299 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4300 gnu_ld assignments.
4301 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4302 (EXTRA_MULTILIB_PARTS): Define.
4303 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4304 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4305 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4306 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4307 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4308 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4309
4310 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4311
4312 PR tree-optimization/24226
4313 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4314 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4315 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4316 Export.
4317
4318 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4319
4320 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4321
4322 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4323
4324 PR target/24136
4325 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4326 Rewrite for no need for the early clobber.
4327
4328 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4329
4330 Merge from csl-arm-branch:
4331 2005-09-07 Paul Brook <paul@codesourcery.com>
4332 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4333 space to string.
4334
4335 2005-04-30 Paul Brook <paul@codesourcery.com>
4336 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4337 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4338
4339 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4340 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4341 (arm_override_options): Use TARGET_AAPCS_BASED.
4342 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4343 (PTRDIFF_TYPE): Use int for AAPCS.
4344 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4345 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4346 (DEFAULT_SHORT_ENUMS): Delete.
4347 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4348
4349 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4350 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4351 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4352 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4353
4354 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4355 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4356
4357 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4358 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4359
4360 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4361 * config.gcc (arm*-*-linux-gnueabi): Add it.
4362 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4363 redefining it.
4364 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4365 * config/arm/linux-eabi.h: New file.
4366 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4367 (LINUX_TARET_LINK_SPEC): Likewise.
4368 (LINK_SPEC): Use it.
4369 * config/arm/t-linux-eabi: New file.
4370
4371 2005-10-08 Steven Bosscher <stevenb@suse.de>
4372
4373 PR other/22202
4374 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4375 spaces.
4376 (PARAM_SMS_DFA_HISTORY): Likewise.
4377
4378 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4379
4380 PR middle-end/23150
4381 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4382 (load_register_parameters): Call it.
4383 (check_sibcall_argument_overlap_1): Likewise.
4384 (store_one_arg): Likewise.
4385
4386 2005-10-07 James E. Wilson <wilson@specifix.com>
4387
4388 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4389 DImode not VECINT24 for operand 2.
4390
4391 PR target/23644
4392 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4393 -mtune-arch.
4394
4395 PR target/24193
4396 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4397 fr_spill): Use destination_operand for operand 0.
4398
4399 2005-10-07 DJ Delorie <dj@redhat.com>
4400
4401 * varasm.c (output_constant): Limit error to expanding
4402 conversions.
4403
4404 2005-10-07 Richard Guenther <rguenther@suse.de>
4405
4406 PR middle-end/24227
4407 * fold-const.c (fold_binary): Fix operand types during folding
4408 of X op (A, Y). Evaluation order of the side-effects of
4409 X and A are frontend-defined, so ensure we honour that even for
4410 tcc_comparison class operands; eased by removing duplicate code.
4411
4412 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4413
4414 * stor-layout.c (layout_type): Do not allow alignment of array
4415 elements to be greater than their size.
4416
4417 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4418
4419 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4420 host_xmake_file.
4421 (hppa*-*-linux*): Ditto.
4422 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4423 * config/host-hpux.c: New.
4424 * config/x-hpux: New.
4425 * config/pa/x-hpux: Remove.
4426 * config/pa/x-linux: Remove.
4427 * config/pa/pa-host.c: Remove.
4428
4429 2005-10-07 Jeff Law <law@redhat.com>
4430
4431 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4432 determine whether or not to try and thread outgoing edges.
4433
4434 2005-10-07 David Edelsohn <edelsohn@gnu.org>
4435
4436 * config/rs6000/rs6000.md (eqsi_power): New.
4437 (neg_eq0si): Add TARGET_POWER to final condition.
4438 (neg_eqsi): Same.
4439
4440 2005-10-06 Richard Henderson <rth@redhat.com>
4441
4442 * config/rs6000/rs6000.c: Revert last change.
4443
4444 2005-10-06 Richard Henderson <rth@redhat.com>
4445
4446 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4447 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4448
4449 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
4450
4451 PR middle-end/22216
4452 PR middle-end/23651
4453 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4454 out return_label and naked_return_label.
4455
4456 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4457
4458 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4459 change.
4460
4461 2005-10-06 Richard Henderson <rth@redhat.com>
4462
4463 PR tree-opt/22237
4464 * tree-inline.c (declare_return_variable): Handle modify_dest not
4465 being a DECL.
4466
4467 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4468
4469 Fix PR tree-optimization/22488
4470 * tree-ssa-structalias.c (check_for_overlaps): New function.
4471 (create_variable_info_for): Use it.
4472
4473 2005-10-06 Richard Henderson <rth@redhat.com>
4474
4475 PR debug/24070
4476 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4477 (dwarf2out_start_source_file): Print it.
4478
4479 2005-10-06 Geoffrey Keating <geoffk@apple.com>
4480
4481 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4482
4483 2005-10-06 Richard Henderson <rth@redhat.com>
4484
4485 PR 23706
4486 * mode-switching.c (optimize_mode_switching): Clear transp bit
4487 for block with incomming abnormal edges.
4488
4489 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4490 (fpscr_set_from_mem): Use them.
4491 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4492 (fpscr postinc splitters): Rewrite as peephole2+split.
4493
4494 2005-10-06 David Edelsohn <edelsohn@gnu.org>
4495
4496 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4497 (eq<mode>_compare): Same.
4498
4499 2005-10-06 Richard Guenther <rguenther@suse.de>
4500
4501 PR tree-optimization/24238
4502 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4503
4504 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
4505
4506 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4507 here. Use AC_PATH_PROG for environment variables instead of
4508 test -x.
4509 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
4510 objdump also.
4511 * configure: Regenerated.
4512
4513 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
4514
4515 PR target/23783
4516 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4517 then force it into a register.
4518 (call_value): Likewise.
4519
4520 2005-10-06 Richard Henderson <rth@redhat.com>
4521
4522 PR 24049
4523 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4524 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
4525 under pass_vectorize.
4526
4527 2005-10-05 Devang Patel <dpatel@apple.com>
4528
4529 PR Debug/23205
4530 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4531 handling constants. Check NAMESPACE_DECL context for constants.
4532
4533 2005-10-05 Eric Christopher <echristo@apple.com>
4534
4535 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4536
4537 2005-10-05 Richard Henderson <rth@redhat.com>
4538
4539 PR 23714
4540 * tree-cfg.c (mark_array_ref_addressable_1): New.
4541 (mark_array_ref_addressable): New.
4542 * tree-flow.h (mark_array_ref_addressable): Declare.
4543 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4544
4545 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
4546
4547 PR middle-end/20606
4548 PR middle-end/24069
4549 * reload.c (subst_reloads): When adding a REG_LABEL to a
4550 jump instruction, also update JUMP_LABEL.
4551
4552 2005-10-05 David Edelsohn <edelsohn@gnu.org>
4553
4554 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4555 * bb-reorder.c (copy_bb_p): Use it.
4556 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4557
4558 2005-10-05 Richard Henderson <rth@redhat.com>
4559
4560 PR target/23602
4561 * toplev.c (process_options): Warn about unsupported combinations
4562 of unwind tables and omit-frame-pointer.
4563 * config/i386/i386.c (override_options): Similarly. Enable
4564 accumulate-outgoing-args if not explicitly disabled.
4565
4566 2005-10-05 Steve Ellcey <sje@cup.hp.com>
4567
4568 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4569 Handle big endian vs. small endian.
4570 (vec_initv2sf): Handle big endian vs. small endian.
4571 (*vec_extractv2sf_1): Ditto.
4572
4573 2005-10-05 Dale Johannesen <dalej@apple.com>
4574
4575 * convert.c (convert_to_real): Don't convert
4576 (float)floor(double d) to floorf((float)d).
4577
4578 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
4579
4580 * config/arm/arm.md (insv): Use gen_int_mode in more places.
4581
4582 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
4583
4584 PR tree-optimization/18587
4585 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4586 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4587 build_vuses): Change to VEC type.
4588 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4589 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4590 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4591 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4592 (get_name_decl): New. Return DECL_UID of base variable.
4593 (operand_build_cmp): New. qsort comparison routine.
4594 (operand_build_sort_virtual): New. Sort virtual build vector.
4595 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4596 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4597 (FINALIZE_BASE): Use get_name_decl.
4598 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4599 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4600 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4601 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4602 direct VEC_* manipulations.
4603 (build_ssa_operands): Call operand_build_sort_virtual.
4604 (copy_virtual_operand, create_ssa_artficial_load_stmt,
4605 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4606 with direct VEC_* manipulations.
4607 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4608 with direct VEC manipulations.
4609
4610 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
4611
4612 PR tree-optimization/21419
4613 PR tree-optimization/24146
4614 PR tree-optimization/24151
4615
4616 * c-typeck.c (readonly_error): Handle USE being lv_asm.
4617 (build_asm_expr): Call it if outputs are read-only.
4618 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4619
4620 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
4621 Paolo Bonzini <bonzini@gnu.org>
4622
4623 PR target/23809
4624
4625 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4626 enable the instructions and not just the built-ins.
4627 * doc/invoke.texi (x86 Options): Likewise.
4628
4629 2005-10-04 Geoffrey Keating <geoffk@apple.com>
4630
4631 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4632
4633 * doc/invoke.texi (Option Summary): Correct spelling
4634 of -mmacosx-version-min.
4635
4636 2005-10-04 Devang Patel <dpatel@apple.com>
4637
4638 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4639 real types.
4640
4641 2005-10-04 Steve Ellcey <sje@cup.hp.com>
4642
4643 * tree-vect-transform.c (vect_create_epilog_for_reduction):
4644 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4645
4646 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
4647
4648 * config/s390/s390.md ("TDSI","DP"): New mode macros.
4649 ("TE","tg"): New mode attributes.
4650 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4651 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4652 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4653 dword_mode and one for GPRmode.
4654
4655 2005-10-04 Ian Lance Taylor <ian@airs.com>
4656
4657 PR preprocessor/13726
4658 * c-ppoutput.c (cb_include): Add comments parameter, and print out
4659 any comments passed in.
4660
4661 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4662
4663 * tree.c (annotate_with_file_line): Fix typo.
4664
4665 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4666
4667 PR ada/19382
4668 * builtins.c (fold_builtin_memcmp): When constructing the pointer
4669 type used to access data in the inlined length == 1 case, use
4670 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4671 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4672
4673 2005-10-04 Uros Bizjak <uros@kss-loka.si>
4674
4675 * config/i386/i386.h (TARGET_FISTTP): Enable also for
4676 TARGET_SSE3 and only for TARGET_80387.
4677 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4678 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4679 Do not depend on TARGET_80387.
4680
4681 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4682
4683 * tree.c (last_annotated_node): Change type to location_t*.
4684 (annotate_with_file_line): Reflect the change of
4685 last_annotated_node type.
4686
4687 2005-10-04 Richard Guenther <rguenther@suse.de>
4688
4689 PR c/23576
4690 * c-decl.c (grokdeclarator): Don't write to fields
4691 of error_mark_node.
4692
4693 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4694
4695 PR middle-end/23125
4696 * c-decl.c (finish_decl): Use set_user_assembler_name even for
4697 register variables.
4698 * varasm.c (make_decl_rtl): If a register variable does not
4699 have a set user assmbler name, error out.
4700 Decode the asmspec is now name+1 bypassing '*'.
4701
4702 2005-10-04 Steven Bosscher <stevenb@suse.de>
4703
4704 PR tree-optimization/23049
4705 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4706 of a COND_EXPR is folded before calling fold on the whole rhs of a
4707 conditional assignment.
4708 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4709 document that a COND_EXPR may appear there.
4710
4711 2005-10-03 Diego Novillo <dnovillo@redhat.com>
4712
4713 PR 23445
4714 * tree-vrp.c (extract_range_from_assert): If the new numeric
4715 range created out of the assertion contradicts the existing
4716 numeric range of the ASSERT_EXPR variable, make the new range
4717 varying.
4718
4719 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
4720
4721 * config/sh/sh.c (sh_register_move_cost): Add case for moving
4722 from T_REGS to FP register class.
4723
4724 2005-10-03 Richard Henderson <rth@redhat.com>
4725
4726 PR 24135
4727 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4728 before creating a new one.
4729
4730 2005-10-03 David Edelsohn <edelsohn@gnu.org>
4731
4732 * config/rs6000/t-aix43 (LDFLAGS): New.
4733 * config/rs6000/t-aix52 (LDFLAGS): New.
4734
4735 2005-10-03 Ian Lance Taylor <ian@airs.com>
4736
4737 * gimplify.c (find_single_pointer_decl_1): New static function.
4738 (find_single_pointer_decl): New static function.
4739 (internal_get_tmp_var): For a formal variable, set restrict base
4740 information if appropriate.
4741 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4742 return it.
4743 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4744 (DECL_GET_RESTRICT_BASE): Define.
4745 (SET_DECL_RESTRICT_BASE): Define.
4746 (decl_restrict_base_lookup): Declare.
4747 (decl_restrict_base_insert): Declare.
4748 (struct tree_decl_with_vis): Add based_on_restrict_p field.
4749 * tree.c (restrict_base_for_decl): New static variable.
4750 (init_ttree): Initialize restrict_base_for_decl.
4751 (copy_node_stat): Copy restrict base information.
4752 (decl_restrict_base_lookup): New function.
4753 (decl_restrict_base_insert): New function.
4754 (print_restrict_base_statistics): New static function.
4755 (dump_tree_statistics): Call print_restrict_base_statistics.
4756
4757 2005-10-02 Diego Novillo <dnovillo@redhat.com>
4758
4759 PR 24142
4760 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4761 case of anti-ranges.
4762
4763 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
4764
4765 PR c/18851
4766 * c-typeck.c (tagged_tu_seen): Rename to ...
4767 (tagged_tu_seen_cache): this and add val field.
4768 (comptypes): Move functional to comptypes_internal
4769 and free tagged_tu_seen.
4770 (comptypes_internal): New function and call comptypes_internal
4771 instead of comptypes. Speed up by sibcalling
4772 tagged_types_tu_compatible_p.
4773 (alloc_tagged_tu_seen): New function
4774 (free_all_tagged_tu_seen_up_to): New function.
4775 (tagged_types_tu_compatible_p): Return the val of the seen two
4776 types.
4777 Add that the two types are the same to tagged_tu_seen_base
4778 if they are and call comptypes_internal instead of comptypes.
4779 <case UNION_TYPE>: Speed up common type where the fields are
4780 in the same order.
4781 (function_types_compatible_p): Call comptypes_internal instead of
4782 comptypes.
4783 (type_lists_compatible_p): Likewise.
4784 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4785
4786 2005-10-02 Matthias Klose <doko@debian.org>
4787
4788 * doc/invoke.texi: Fix typo and speling error.
4789
4790 2005-10-01 Richard Henderson <rth@redhat.com>
4791
4792 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4793
4794 2005-10-01 Mark Mitchell <mark@codesourcery.com>
4795
4796 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4797 using --start-group and --end-group.
4798
4799 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4800
4801 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4802 FIXME note regarding quirky semantics.
4803
4804 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4805
4806 PR 24141
4807 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4808 non-null range as a last resort.
4809
4810 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
4811 Diego Novillo <dnovillo@redhat.com>
4812
4813 PR 23604
4814 * tree-vrp.c (extract_range_from_assert): For !=
4815 assertions, only build an anti-range if LIMIT is a
4816 single-valued range.
4817
4818 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
4819
4820 * arm.md (movqi): On thumb when optimizing, handle loading from
4821 memory by describing this as taking a subreg of a zero-extended load
4822 into an SImode register.
4823 (movhi): Likewise.
4824
4825 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
4826
4827 * reload1.c (merge_assigned_reloads): Do not change any
4828 RELOAD_FOR_OUTPUT_ADDRESS reloads.
4829
4830 2005-09-30 Geoffrey Keating <geoffk@apple.com>
4831
4832 * Makefile.in (LIPO_FOR_TARGET): Define.
4833 (STRIP_FOR_TARGET): Define.
4834
4835 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4836 before creating new ones. Do symlinks before creating the actual
4837 targets.
4838
4839 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4840 to work out which multilibs are actually being built.
4841
4842 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
4843
4844 * tree-vect-transform.c, config/ms1/ms1.md,
4845 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4846 Follow spelling conventions.
4847 * doc/invoke.texi, doc/md.texi: Fix typos.
4848
4849 2005-09-30 Andrew Macleod <amacleod@redat.com>
4850
4851 PR tree-optimization/21430
4852 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4853 use operands, and set stmt pointer if need be.
4854 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4855 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4856 present.
4857
4858 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4859
4860 PR middle-end/24053
4861 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4862
4863 2005-09-29 Mark Mitchell <mark@codesourcery.com>
4864
4865 * optabs.c (expand_binop): Initialize first_pass_p.
4866
4867 2005-09-29 Jakub Jelinek <jakub@redhat.com>
4868
4869 PR middle-end/24109
4870 * c-decl.c (c_write_global_declarations_1): If any
4871 wrapup_global_declaration_2 call returned true, restart the loop.
4872
4873 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
4874
4875 Fix PR tree-optimization/24117
4876 * tree-ssa-structalias.c (find_func_aliases): Strip nops
4877 before considering whether to use anyoffset.
4878
4879 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4880
4881 Revert this patch:
4882
4883 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4884
4885 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4886 to order operands.
4887 (swap_commutative_operands_with_target): New.
4888
4889 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4890
4891 PR c/21419
4892 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4893 read-only.
4894
4895 2005-09-29 Steven Bosscher <stevenb@suse.de>
4896
4897 PR tree-optimization/23911
4898 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4899 and IMAGPART_EXPR too.
4900
4901 2005-09-28 Mark Mitchell <mark@codesourcery.com>
4902
4903 PR 17886
4904 * expmed.c (expand_shift): Move logic to reverse rotation
4905 direction when rotating by constants ...
4906 * optabs.c (expand_binop): ... here.
4907 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4908 (ix86_rotrdi3): New pattern.
4909 (rotldi3): Handle 32-bit mode.
4910 (ix86_rotldi3): New pattern.
4911
4912 2005-09-29 Alan Modra <amodra@bigpond.net.au>
4913
4914 PR target/24102
4915 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4916 check for numbers that need no bit twiddle.
4917
4918 2005-09-28 Geoffrey Keating <geoffk@apple.com>
4919
4920 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4921 multilib to be built.
4922
4923 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4924 (stage1-start): Delete old libgcc and libunwind before moving
4925 anything into the stage directory.
4926 (stage2-start): Likewise.
4927 (stage3-start): Likewise.
4928 (stage4-start): Likewise.
4929 (stageprofile-start): Likewise.
4930 (stagefeedback-start): Likewise.
4931 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4932 header in tm_file and CPU-specific t-darwin in tmake_file.
4933 (i[34567]86-*-darwin*): Don't change tm_file.
4934 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4935 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4936 shared library stub for target OS version.
4937 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4938 (SHLIB_LINK): Don't make SHLIB_SOLINK.
4939 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4940 (libgcc_s.%.dylib): New.
4941 (LIBGCC): Define.
4942 (install-darwin-libgcc-stubs): New.
4943 (INSTALL_LIBGCC): New append.
4944 * config/i386/darwin-libgcc.10.4.ver: New.
4945 * config/i386/darwin-libgcc.10.5.ver: New.
4946 * config/i386/t-darwin: New.
4947 * config/rs6000/darwin-libgcc.10.4.ver: New.
4948 * config/rs6000/darwin-libgcc.10.5.ver: New.
4949 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4950 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4951
4952 2005-09-28 Paul Brook <paul@codesourcery.com>
4953
4954 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4955 denormals.
4956
4957 2005-09-28 Richard Guenther <rguenther@suse.de>
4958
4959 PR tree-optimization/23853
4960 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4961 host_integerp to verify misalignment value.
4962
4963 2005-09-28 Richard Henderson <rth@redhat.com>
4964
4965 * builtins.c (get_builtin_sync_mode): New.
4966 (expand_builtin_sync_operation): Pass in mode argument.
4967 (expand_builtin_compare_and_swap): Likewise.
4968 (expand_builtin_lock_test_and_set): Likewise.
4969 (expand_builtin_lock_release): Likewise.
4970 (expand_builtin): Update to match.
4971
4972 2005-09-28 Nick Clifton <nickc@redhat.com>
4973
4974 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4975 formatting. Add check to PLUS case to ensure that the offset is
4976 within an acceptable range.
4977
4978 * config/v850/v850.md (casesi): Disable the generation of the
4979 switch pattern as it is not being handled properly at the moment.
4980
4981 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4982 for when the high words are identical.
4983
4984 2005-09-27 Richard Henderson <rth@redhat.com>
4985
4986 * pretty-print.c (pp_base_format): Fix typo for %>.
4987
4988 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
4989 Devang Patel <dpatel@apple.com>
4990
4991 PR tree-optimization/23625
4992 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4993 LABEL_EXPR, assertion check.
4994
4995 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
4996
4997 * optabs.c (no_conflict_move_test): Check if a result of a
4998 to-be-moved insn would be clobbered by an originally
4999 preceding insn.
5000
5001 2005-09-27 Jeff Law <law@redhat.com>
5002
5003 * passes.c (init_optimization_passes): Replace copy propagation
5004 passes immediately after DOM with phi-only copy propagation
5005 pases. Add phi-only copy propagation pass after first DOM pass.
5006 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5007 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5008 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5009 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5010 to init_copy_prop. Callers updated.
5011 (do_phi_only_copy_prop): New function.
5012 (pass_phi_only_copy_prop): New pass descriptor.
5013
5014 2005-09-27 Nick Clifton <nickc@redhat.com>
5015
5016 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5017
5018 2005-09-26 Jason Merrill <jason@redhat.com>
5019
5020 PR c++/13764
5021 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5022
5023 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5024
5025 2005-09-26 James E Wilson <wilson@specifix.com>
5026
5027 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5028 copyright. Add gcc copyright plus libgcc exception.
5029 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5030 copyright.
5031 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5032
5033 2005-09-26 Jeff Law <law@redhat.com>
5034
5035 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5036 about when to iterate.
5037
5038 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5039
5040 PR target/23847
5041 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5042 for __complex__ double in -mcpu=G5 mode.
5043
5044 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5045
5046 PR tree-optimization/23942
5047 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5048 * tree-scalar-evolution.c: Include params.h.
5049 (t_bool): New enum.
5050 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5051 follow_ssa_edge_in_condition_phi_branch,
5052 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5053 Change return type to t_bool. Use a parameter to limit the size of
5054 trees that are walked before stopping
5055 (analyze_evolution_in_loop): Initialize the limit to 0.
5056 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5057 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5058
5059 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5060
5061 PR middle-end/23831
5062 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5063 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5064
5065 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5066
5067 * combine.c (make_extraction): Check for valid use of subreg.
5068
5069 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5070
5071 PR target/24055
5072 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5073 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5074 ("fist<mode>2_with_temp"): Use only register operands.
5075
5076 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5077
5078 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5079 CALL_INSN_FUNCTION_USAGE.
5080
5081 2005-09-26 Richard Guenther <rguenther@suse.de>
5082
5083 PR middle-end/15855
5084 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5085 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5086 (ldst_entry): Use the hashtable instead of list-walking.
5087 (find_rtx_in_ldst): Likewise.
5088 (free_ldst_entry): Free the hashtable.
5089 (compute_ld_motion_mems): Create the hashtable.
5090 (trim_ld_motion_mems): Remove entry from hashtable if
5091 removing it from list.
5092 (compute_store_table): Likewise^2.
5093 (store_motion): Free hashtable in case we did not see
5094 any stores.
5095
5096 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5097
5098 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5099 and arg1 if we are passing them to fold_build2.
5100
5101 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5102
5103 PR 23828
5104 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5105 a nested function.
5106
5107 2005-09-25 Richard Henderson <rth@redhat.com>
5108
5109 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5110 SYMBOL_REF_TLS_MODEL to be correct.
5111
5112 2005-09-24 Richard Henderson <rth@redhat.com>
5113
5114 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5115 end of function. Reindent.
5116
5117 2005-09-24 Ian Lance Taylor <ian@airs.com>
5118
5119 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5120 NEGATE_EXPR/BIT_NOT_EXPR case.
5121
5122 2005-09-24 Richard Henderson <rth@redhat.com>
5123
5124 * c-common.c (handle_mode_attribute): When not modifying in place,
5125 create subtypes for enumerations.
5126 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5127 * gimplify.c (create_tmp_from_val): Likewise.
5128
5129 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5130
5131 * config/i386/i386.md (*tls_global_dynamic_64,
5132 *tls_local_dynamic_base_64): Add missing mode to call.
5133 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5134
5135 2005-09-24 Jan Hubicka <jh@suse.cz>
5136
5137 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5138 (cgraph_clone_node): Likewise.
5139 * cgraph.h (cgraph_clone_edge): Update prototype.
5140 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5141 duplicated prototypes; add updating argument.
5142 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5143 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5144 updating profile.
5145 (cgraph_mark_inline_edge): Likewise.
5146 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5147 (cgraph_flatten_node): Likewise.
5148 (cgraph_decide_recursive_inlining): Likewise.
5149 (cgraph_decide_inlining_of_small_function): Likewise.
5150 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5151
5152 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5153 Pete Steinmetz <steinmtz@us.ibm.com>
5154
5155 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5156 (rldic.): Set type to "compare".
5157 (rldicr.): Same.
5158 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5159 mfjmpr for MFCTR/MFLR.
5160 (movdf_hardfloat64): Same.
5161 (movdf_softfloat64): Same. Correct order of store and move types.
5162 (movti_string): Set type to store_ux/load_ux.
5163 (load_multiple): Set type to load_ux.
5164 (store_multiple): Set type to store_ux.
5165 (movmemsi): Set type to store_ux.
5166 (output_cbranch direct_return): Set type to jmpreg.
5167 (stmw): Set type to store_ux.
5168 (lmw): Set type to load_ux.
5169 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5170 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5171 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5172 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5173 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5174 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5175 (rios1-fpstore): Increase latency to 3.
5176 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5177 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5178
5179 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5180 Andrew Pinski <pinskia@physics.uc.edu>
5181
5182 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5183 operand2 constraint to "b".
5184 (sync_<fetchop_name>di_internal): Same.
5185 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5186 to "b".
5187 (sync_old_<fetchop_name>di_internal): Same.
5188 (sync_new_<fetchop_name>si_internal): Same.
5189 (sync_new_<fetchop_name>di_internal): Same.
5190
5191 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5192
5193 PR middle-end/23991
5194 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5195 case, define as macros.
5196
5197 PR rtl-optimization/23837
5198 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5199 clobber / clobber match between dest and p->first.
5200
5201 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5202 (no_conflict_move_test): Update comments.
5203
5204 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5205
5206 * doc/install.texi: Update URL for Jacks.
5207 * doc/sourcebuild.texi: Likewise.
5208
5209 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5210
5211 PR target/24007
5212 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5213 registers when choosing register preferences.
5214 (movdf_hardfloat64): Same.
5215
5216 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5217
5218 * expmed.c (expand_shift): Don't use the target of the rotate as
5219 target for the first expanded shift insn.
5220 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5221
5222 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5223
5224 PR tree-optimization/22438
5225 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5226 preserved iv rhs rewriting specially.
5227
5228 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5229
5230 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5231 estimate_only is true.
5232 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5233 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5234 tree-ssa-structalias.c
5235 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5236 ref_contains_indirect_ref.
5237 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5238
5239 2005-09-21 DJ Delorie <dj@redhat.com>
5240
5241 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5242 MASK_PTR_A0D0.
5243 (mn10300_return_in_memory): Support variable size types also.
5244 (mn10300_pass_by_reference): Likewise.
5245 (mn10300_function_value): New.
5246 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5247 (FUNCTION_OUTGOING_VALUE): Likewise.
5248 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5249 * doc/invoke.texi: Document it.
5250
5251 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5252
5253 PR target/22585
5254 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5255 force integer op1 into register for XFmode compares.
5256
5257 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5258
5259 PR middle-end/23971
5260 * expmed.c (alg_code): Add alg_impossible.
5261 (alg_hash_entry): Add cost.
5262 (synth_mult): Record alg_impossible in the hash table if
5263 multiplication by a given integer is impossble within the
5264 limit. Speed up using alg_impossible.
5265
5266 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5267
5268 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5269 argument. Allow and set any offset if needs_anyoffset is passed
5270 in.
5271 (get_constraint_for): Add argument here too.
5272 Pass it down.
5273 (do_structure_copy): Pass NULL to get_constraint_for.
5274 (handle_ptr_arith): Ditto.
5275 (find_func_aliases): Ditto.
5276
5277 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5278
5279 PR rtl-optimization/23898
5280 * output.h (get_attr_min_length): Declare.
5281 * final.c (get_attr_length_1): New function, broken out of:
5282 (get_attr_length).
5283 (get_attr_min_length): New function.
5284 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5285 (duplicate_computed_gotos): Likewise.
5286 * genattr.c (insn_min_length): Generate declaration.
5287 * genattrtab.c (min_fn, min_attr_value): New functions.
5288 (make_length_attrs): Generate insn_min_length.
5289
5290 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5291
5292 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5293
5294 2005-09-20 Richard Henderson <rth@redhat.com>
5295
5296 PR tree-optimization/24059
5297 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5298 EXPAND_STACK_PARM.
5299
5300 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5301
5302 * c.opt (fextended-identifiers): New.
5303 * c-opts.c (c_common_handle_option): Handle
5304 -fextended-identifiers.
5305 * doc/cpp.texi: Update documentation of extended identifiers.
5306 * doc/cppopts.texi (-fextended-identifiers): Document.
5307
5308 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5309
5310 PR tree-optimization/23929
5311 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5312 if expr is NULL.
5313
5314 PR tree-optimization/23818
5315 * tree-stdarg.c (execute_optimize_stdarg): Call
5316 calculate_dominance_info.
5317
5318 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5319
5320 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5321 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5322 (compute_overlap_steps_for_affine_1_2): Use
5323 get_number_of_iters_for_loop.
5324 (analyze_subscript_affine_affine): Check whether difference is
5325 zero first.
5326 Use get_number_of_iters_for_loop.
5327 Check whether overlap occurs outside of bounds.
5328 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5329
5330 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5331
5332 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5333 base register if possible.
5334
5335 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5336
5337 PR tree-optimization/18463
5338 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5339 converting it directly is not possible.
5340 (chrec_convert_aggressive): New function.
5341 * tree-chrec.h (chrec_convert_aggressive): Declare.
5342 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5343 Fold chrec conversions aggressively if asked to.
5344 (instantiate_parameters): Modified because of changes in
5345 instantiate_parameters_1.
5346
5347 2005-09-19 Richard Henderson <rth@redhat.com>
5348
5349 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5350 (reduc_splus_v2df): New.
5351
5352 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5353
5354 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5355 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5356
5357 2005-09-19 Richard Henderson <rth@redhat.com>
5358
5359 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5360 vcondu<SSEMODE12>.
5361
5362 2005-09-19 Richard Henderson <rth@redhat.com>
5363
5364 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5365 (ia64_expand_dot_prod_v8qi): New.
5366 * config/ia64/ia64-protos.h: Update.
5367 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5368 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5369 sdot_prodv8qi, sdot_prodv4hi): New.
5370 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5371
5372 2005-09-19 Richard Henderson <rth@redhat.com>
5373
5374 PR 23941
5375 * real.c (exact_real_truncate): Return false if the format cannot
5376 represent the number as a normal.
5377
5378 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5379 for a memory source.
5380
5381 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5382
5383 * tree-ssa-operands.c (swap_tree_operands): Export.
5384 * tree.h (swap_tree_operands): Declare.
5385 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5386 Call swap_tree_operands.
5387
5388 2005-09-19 Richard Henderson <rth@redhat.com>
5389
5390 * tree-flow.h (merge_alias_info): Declare.
5391 * tree-ssa-copy.c (merge_alias_info): Export.
5392 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5393 (vect_create_data_ref_ptr): Use create_iv directly.
5394 (vectorizable_load): Use correct types for integer constants.
5395 (vect_generate_tmps_on_preheader): Likewise.
5396 (vect_gen_niters_for_prolog_loop): Likewise.
5397
5398 2005-09-19 Steven Bosscher <stevenb@suse.de>
5399
5400 PR rtl-optimization/23943
5401 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5402
5403 2005-09-18 Jan Hubicka <jh@suse.cz>
5404
5405 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5406
5407 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5408
5409 * varasm.c (output_constant): Do not abort on conversions to union
5410 types between different sizes.
5411
5412 2005-09-18 Richard Guenther <rguenther@suse.de>
5413
5414 PR middle-end/23944
5415 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5416 fallback.
5417
5418 2005-09-18 Paul Brook <paul@codesourcery.com>
5419
5420 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5421
5422 2005-09-17 Richard Henderson <rth@redhat.com>
5423
5424 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5425 * tree-ssa-loop.c (pass_vect_dce): Remove.
5426 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5427 of pass_vectorize.
5428
5429 2005-09-17 Richard Henderson <rth@redhat.com>
5430
5431 * tree-pass.h (pass_vect_dce): Declare.
5432 * passes.c (init_optimization_passes): Add it.
5433 * tree-flow.h (tree_ssa_dce): Declare.
5434 * tree-ssa-dce.c (tree_ssa_dce): Export.
5435 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5436 (gate_tree_vectorize): ... here.
5437 (pass_vect_dce): New.
5438
5439 2005-09-17 Jan Hubicka <jh@suse.cz>
5440
5441 * except.c (struct eh_status): Turn region_array into vec.
5442 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5443 convert_from_eh_region_ranges, find_exception_handler_labels,
5444 current_function_has_exception_handlers, assign_filter_values,
5445 build_post_landing_pads, dw2_build_landing_pads,
5446 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5447 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5448 foreach_reachable_handler, can_throw_internal_1,
5449 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5450 region_array.
5451 (duplicate_eh_region_1): Update region_array.
5452 (duplicate_eh_regions): Resize region_array and avoid recomputing.
5453
5454 2005-09-17 David Edelsohn <edelsohn@gnu.org>
5455
5456 PR middle-end/22067
5457 * expmed.c (expand_mult): Substitute simple register for op0 when
5458 computing max_cost.
5459
5460 2005-09-17 Richard Henderson <rth@redhat.com>
5461
5462 * expr.c (emit_move_via_integer): Add force argument, pass it on
5463 to emit_move_change_mode. Update callers.
5464 (emit_move_complex): Pass true to new force argument.
5465 * function.c (expand_function_end): Move expand_eh_return call
5466 earlier. Merge sub-word complex values into a pseudo before
5467 copying to the return hard register.
5468
5469 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
5470
5471 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5472 between different sizes.
5473
5474 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
5475
5476 PR 23903
5477
5478 * passes.c (init_optimization_passes): Register dump files for
5479 IPA passes first.
5480
5481 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
5482
5483 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5484 * config/s390/s390.c (s390_overlap_p): New function.
5485 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5486 peephole2, "*xc" peephole2): Added overlap check to the peephole2
5487 condition.
5488
5489 2005-09-16 Richard Guenther <rguenther@suse.de>
5490
5491 * ipa-pure-const.c (static_execute): Free auxiliar information.
5492 * ipa-type-escape.c (discover_unique_type): Free temporary key.
5493 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5494
5495 2005-09-15 DJ Delorie <dj@redhat.com>
5496
5497 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5498
5499 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5500
5501 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5502 to order operands.
5503 (swap_commutative_operands_with_target): New.
5504
5505 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
5506
5507 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5508 parameter.
5509 Update callers.
5510 (estimate_iters_using_array): New function.
5511 * tree-data-ref.h (estimate_iters_using_array): Prototype
5512 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5513 Use estimate_iters_using_array instead of analyze_array.
5514
5515 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
5516
5517 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5518 as addressable.
5519
5520 2005-09-15 Michael Matz <matz@suse.de>
5521
5522 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5523
5524 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
5525
5526 PR tree-optimization/23835
5527 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5528 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5529
5530 2005-09-14 Richard Henderson <rth@redhat.com>
5531
5532 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5533 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5534
5535 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
5536
5537 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5538 in the ARRAY_TYPE case.
5539
5540 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
5541
5542 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5543
5544 2005-09-14 Uros Bizjak <uros@kss-loka.si>
5545
5546 PR middle-end/22480
5547 * tree-vect-transform.c (vectorizable_operation): Return false for
5548 scalar shift operations and for vector shift operations with
5549 non-invariant shift arguments. Use scalar tree operand op1 as
5550 a shift operand when vector shift insn pattern uses scalar shift
5551 operand.
5552 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5553
5554 2005-09-14 Olivier Hainque <hainque@adacore.com>
5555
5556 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5557 value if it has side-effects.
5558
5559 2005-09-14 David Edelsohn <edelsohn@gnu.org>
5560
5561 PR target/22068
5562 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5563
5564 2005-09-14 Alan Modra <amodra@bigpond.net.au>
5565
5566 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5567 passed as NAME as if it were label at start of function code.
5568
5569 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
5570
5571 * config/sh/sh.md (*movv4sf_i): Add general register cases to
5572 the constraints.
5573
5574 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5575
5576 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5577 as early clobber. Rewrite so the PIC register is not implicitly used.
5578
5579 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5580
5581 * tree.c (annotate_with_file_line): Compare line numbers before
5582 file names.
5583
5584 2005-09-13 Uros Bizjak <uros@kss-loka.si>
5585
5586 PR target/23816
5587 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5588 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5589
5590 2005-09-13 Ian Lance Taylor <ian@airs.com>
5591
5592 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5593 than a HOST_WIDEST_INT to gen_doloop_begin.
5594
5595 2005-09-13 Diego Novillo <dnovillo@redhat.com>
5596
5597 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5598
5599 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
5600
5601 PR tree-optimize/23817
5602 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5603
5604 2005-09-13 Alan Modra <amodra@bigpond.net.au>
5605
5606 PR target/23774
5607 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5608 word before changing the stack pointer. Use gen_frame_mem for MEMs.
5609 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5610 (restore_stack_nonlocal): Likewise.
5611 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5612
5613 2005-09-12 Ian Lance Taylor <ian@airs.com>
5614
5615 PR g++/7874
5616 * c.opt (ffriend-injection): New C++ option.
5617 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5618 (C++ Dialect Options): Document -ffriend-injection.
5619
5620 2005-09-12 Josh Conner <jconner@apple.com>
5621
5622 PR middle-end/23237
5623 * ipa-reference.c (static_execute): Don't mark variables in
5624 named sections TREE_READONLY.
5625
5626 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5627
5628 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5629 stack_tie.
5630
5631 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5632
5633 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5634 V_MUST_DEF instead of just the first_use_p.
5635 Don't mark the virtual variables for renaming on the statement which
5636 is being removed.
5637 (pass_dse): Remove TODO_update_ssa.
5638
5639 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
5640
5641 PR middle-end/23290
5642 * stor-layout.c (compute_record_mode): For records with a single
5643 field, actually check the field's mode size against the type size.
5644
5645 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5646 registers for TARGET_SHMEDIA.
5647 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5648 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
5649 of GENERAL_REGS and FP_REGS.
5650
5651 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
5652
5653 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5654
5655 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5656
5657 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5658 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5659 are omitted. Exclude stack_tie insn too.
5660
5661 2005-09-11 David Edelsohn <edelsohn@gnu.org>
5662
5663 PR rtl-optimization/23098
5664 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5665 0.0f is easy.
5666 * config/rs6000/rs6000.md (movdf splitter): Use
5667 const_double_operand predicate for TARGET_POWERPC64.
5668 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5669 SYMBOL_REF method to ABI_V4.
5670
5671 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5672 replace_equiv_address.
5673 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5674 rs6000_sr_alias_set and MEM_NOTRAP.
5675 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5676
5677 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
5678
5679 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5680 handle CALL_EXPR again.
5681
5682 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
5683
5684 * arm/predicates.md (alignable_memory_operand): Delete.
5685
5686 2005-09-10 Richard Henderson <rth@redhat.com>
5687
5688 PR debug/23806
5689 * dbxout.c (dbxout_expand_expr): New.
5690 (dbxout_symbol): Use it.
5691
5692 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
5693
5694 * arm.c (arm_gen_rotated_half_load): Delete.
5695 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5696 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5697 (thumb_set_return_address): Likewise.
5698 (thumb_load_double_from_address): Use adjust_address.
5699 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5700 (extendhsisi2_mem, movhi_bytes): Use change_address.
5701 (movhi): Use widen_memory_access.
5702 (reload_out_df): Use replace_equiv_address.
5703 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5704
5705 2005-09-09 Richard Henderson <rth@redhat.com>
5706
5707 PR debug/20998
5708 * dbxout.c: Include expr.h.
5709 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5710 (dbxout_symbol): Handle DECL_VALUE_EXPR.
5711 * Makefile.in (dbxout.o): Add EXPR_H.
5712
5713 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
5714
5715 PR tree-optimization/23509
5716 * tree-cfg.c (replace_uses_by): Use replace_exp.
5717 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5718 pointers have name_mem_tag or type_mem_tag set.
5719
5720 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5721
5722 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5723 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5724 of wrongly accessing operands.
5725
5726 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5727
5728 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5729 * tree-chrec.c: Include tree-scalar-evolution.h.
5730 (chrec_convert): Instantiate the base and step before calling
5731 scev_probably_wraps_p that would fail on parametric evolutions.
5732 Collect all the fails into a single section failed_to_convert,
5733 print a diagnostic, and return chrec_dont_know instead of calling
5734 fold_convert.
5735 * tree-scalar-evolution.c (loop_closed_phi_def): New.
5736 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5737 phi nodes.
5738 (scev_const_prop): Don't replace the definition of a loop closed ssa
5739 phi node by itself, or by another loop closed ssa phi node.
5740 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5741 that base and step are defined.
5742
5743 2005-09-09 Richard Guenther <rguenther@suse.de>
5744
5745 PR c++/23624
5746 * fold-const.c (fold_ternary): Check truth_value_p before
5747 calling invert_truthvalue.
5748
5749 2005-09-09 Nick Clifton <nickc@redhat.com>
5750
5751 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5752 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5753 dimension of these arrays.
5754 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5755 these arrays.
5756 * longlong.h: Only provide a prototype for the __clz_tab[] array
5757 if this header has not been included from libgcc2.h.
5758 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5759 defining own types.
5760 Provide prototypes for exported functions.
5761 Use the __clz_tab[] and __popcount_tab[] arrays provided by
5762 libgcc2.c.
5763
5764 2005-09-08 Josh Conner <jconner@apple.com>
5765
5766 PR c++/21135
5767 PR c++/23180
5768 * expr.c (expand_expr_addr_expr_1): Don't invoke
5769 expand_simple_binop for EXPAND_INITIALIZER.
5770
5771 2005-09-08 Richard Henderson <rth@redhat.com>
5772
5773 PR debug/23190
5774 * toplev.c (wrapup_global_declaration_1): Split out ...
5775 (wrapup_global_declaration_2): ... from ...
5776 (wrapup_global_declarations): ... here. Return bool.
5777 (check_global_declaration_1): Split out ...
5778 (check_global_declarations): from here.
5779 (emit_debug_global_declarations): New.
5780 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5781 check_global_declaration_1, emit_debug_global_declarations): Declare.
5782 * c-decl.c (c_write_global_declarations_1): Don't create a vector
5783 of decls. Call wrapup_global_declaration_1,
5784 wrapup_global_declaration_2, check_global_declaration_1 directly.
5785 (c_write_global_declarations_2): New.
5786 (ext_block): New.
5787 (c_write_global_declarations): Call c_write_global_declarations_2.
5788 * langhooks.c (write_global_declarations): Call
5789 emit_debug_global_declarations.
5790
5791 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5792 remove decls that have DECL_RTL_SET_P.
5793 * passes.c (rest_of_decl_compilation): Invoke
5794 cgraph_varpool_finalize_decl for all but functions.
5795
5796 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5797
5798 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5799 the result of a conversion if the new min and max cannot be compared.
5800
5801 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
5802
5803 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5804 (override_options): Setting s390_sr_alias_set removed.
5805 (save_fpr, save_gprs): Set alias set to vararg or frame.
5806 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5807 s390_sr_alias_set with get_frame_alias_set ().
5808 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5809 get_varargs_alias_set ().
5810
5811 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5812
5813 PR objc/20574
5814 PR objc/19324
5815 * c-parser.c (c_parser_objc_method_definition): If the next
5816 token is not "{", error out and don't start the function.
5817
5818 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5819
5820 * tree-vrp.c (extract_range_from_expr): Move the check for non
5821 nullness after the check for gimple invariant.
5822
5823 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5824
5825 * tree.c (host_integerp, tree_low_cst): Correct function comment.
5826
5827 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5828
5829 PR target/23747
5830 * config/m32r.md (movmemsi_internal): Canonicalize order of
5831 operands in PLUS component of template.
5832
5833 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
5834
5835 * reload1.c (fixup_eh_region_note): Remove assertion.
5836 (fixup_abnormal_edges): Reverted removal of call to
5837 find_many_sub_basic_blocks made on 2005-08-31.
5838
5839 2005-09-07 Richard Henderson <rth@redhat.com>
5840
5841 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5842 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5843 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5844 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5845 rearrange for better packing.
5846 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5847 (lookup_cfa_1): Remove inline marker.
5848 (cfa_equal_p): Split out of ...
5849 (def_cfa_1): ... here. Use INVALID_REGNUM.
5850 (build_cfa_loc): Handle !cfa->indirect.
5851 (frame_pointer_cfa_offset): New.
5852 (dbx_reg_number): Assert register elimination performed; do
5853 leaf register remapping.
5854 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5855 (eliminate_reg_to_offset): New.
5856 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
5857 for verifiably local stack frame addresses; re-base to CFA.
5858 (mem_loc_descriptor): Remove can_use_fbreg argument.
5859 (concat_loc_descriptor, loc_descriptor): Likewise.
5860 (containing_function_has_frame_base): Remove.
5861 (rtl_for_decl_location): Don't do register elimination or
5862 leaf register remapping here.
5863 (secname_for_decl): Split out from ..
5864 (add_location_or_const_value_attribute): ... here.
5865 (convert_cfa_to_loc_list): New.
5866 (compute_frame_pointer_to_cfa_displacement): New.
5867 (gen_subprogram_die): Use them.
5868 * tree.h (frame_base_decl): Remove.
5869 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5870 (prologue_stack_adjust): Remove.
5871 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5872 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5873 (set_frame_base_location): Remove.
5874 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5875 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5876 (vt_add_function_parameters): Don't eliminate_regs.
5877 (vt_initialize): Don't create frame_base_decl.
5878
5879 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5880
5881 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5882 version of GNU binutils for 4.x and later.
5883
5884 2005-09-06 Mark Mitchell <mark@codesourcery.com>
5885
5886 * ggc-page.c (ggc_push_context): Remove.
5887 (ggc_pop_context): Likewise.
5888 * ggc.h (ggc_push_context): Remove.
5889 (ggc_pop_context): Likewise.
5890
5891 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5892
5893 PR target/8973
5894 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5895 returning from an interrupt handler.
5896
5897 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5898
5899 PR target/8972
5900 * config/arc/arc.c (output_shift): Add check for loop count when
5901 optimizing.
5902
5903 2005-09-06 Steven Bosscher <stevenb@suse.de>
5904
5905 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5906 form manually.
5907 (abs_replacement): Likewise.
5908 (pass_phiopt): Remove TODO_update_ssa.
5909
5910 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5911
5912 PR c/23075
5913 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5914 if "return with no value, in function returning non-void" warning
5915 has been issued.
5916 * tree-cfg.c (execute_warn_function_return): Don't look at
5917 RETURN_EXPRs with TREE_NO_WARNING set.
5918
5919 PR target/22362
5920 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5921 for internal functions doesn't use registers used by global registers
5922 variables. Use fewer register parameters if there are global register
5923 variables.
5924
5925 2005-09-06 Olivier Hainque <hainque@adacore.com>
5926 Eric Botcazou <ebotcazou@adacore.com>
5927
5928 PR middle-end/14997
5929 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5930 when we would be extracting outside its bit span (bitpos+bitsize
5931 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5932 Ada unchecked conversions.
5933
5934 2005-09-06 Steven Bosscher <stevenb@suse.de>
5935
5936 * tree-ssa-pre.c (try_look_through_load): New function.
5937 (compute_avail): Use it to try to look through loads for some
5938 more useful expressions.
5939
5940 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5941
5942 * simplify-rtx.c (simplify_binary_operation_1): Correct the
5943 condition for detecting cases like (a&a) and (a^a).
5944
5945 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
5946
5947 * common.opt: Add option ftree-vect-loop-version.
5948 * params.def: Add --param vect-max-version-checks.
5949 * doc/invoke.texi: Document ftree-vect-loop-version and
5950 --param vect-max-version-checks.
5951 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5952 may_misalign_stmts and defines for accessors.
5953 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5954 LOOP_VINFO_MAY_MISALIGN_STMTS.
5955 (destroy_loop_vec_info): VEC_free for
5956 LOOP_VINFO_MAY_MISALIGN_STMTS.
5957 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5958 Update documentation.
5959 (vect_update_misalignment_for_peel): New.
5960 (vect_enhance_data_refs_alignment): Update to choose loop
5961 peeling or loop versioning if appropriate for the (potentially)
5962 unaligned data references in the loop.
5963 (vect_analyze_data_refs_alignment): Remove call to
5964 vect_enhance_data_refs_alignment so the checks can be done
5965 earlier.
5966 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5967 and move up call to vect_analyze_data_refs_alignment.
5968 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5969 (vect_transform_loop): Add call to loop_version.
5970
5971 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5972
5973 PR rtl-optimization/23098
5974 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5975 * simplify-rtx.c (constant_pool_reference_p): New function.
5976 * rtl.h (constant_pool_reference_p): New prototype.
5977 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5978 constant_pool_reference_p in condition and
5979 avoid_constant_pool_reference in preparation statements.
5980
5981 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
5982
5983 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5984 STRICT_LOW_PART SETs.
5985
5986 2005-09-06 Alan Modra <amodra@bigpond.net.au>
5987
5988 PR middle-end/21460
5989 * except.c (sjlj_emit_function_enter): Find the function begin
5990 note even when it's not in first basic block.
5991
5992 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
5993
5994 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
5995 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5996 * aclocal.m4: Regenerate.
5997
5998 2005-09-05 DJ Delorie <dj@redhat.com>
5999
6000 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6001 of macro.
6002
6003 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6004
6005 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6006 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6007 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6008 Follow spelling conventions.
6009 * doc/invoke.texi: Follow spelling conventions.
6010
6011 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6012
6013 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6014 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6015 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6016
6017 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6018
6019 PR target/23683
6020 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6021 (output_stack_adjust): Use gen_tmp_stack_mem.
6022 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6023 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6024 (sh_get_pr_initial_val): Likewise.
6025 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6026 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6027 * sh.md (divsi_inv_m0): Use gen_const_mem.
6028 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6029 (movdf_i4+1): Use gen_tmp_stack_mem.
6030 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6031 (fpu_switch+2): Likewise.
6032 (movv4sf_i, movv16sf_i): Use adjust_address.
6033 (symGOT_load): Set MEM_NOTRAP_P bit.
6034
6035 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6036
6037 PR target/23721
6038 * pa.c (emit_move_sequence): Fix typo in last change.
6039
6040 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6041
6042 PR rtl-optimization/23454
6043 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6044 is true.
6045
6046 2005-09-03 Richard Henderson <rth@redhat.com>
6047 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6048
6049 PR middle-end/23671
6050 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6051 gen_rtx_MEM.
6052
6053 2005-09-02 Nicolas Pitre <nico@cam.org>
6054
6055 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6056 to bit_count to 32 bits.
6057
6058 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6059
6060 PR c++/23167
6061 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6062 generating synthetic loads from volatile lvalues.
6063
6064 005-09-02 Nick Clifton <nickc@redhat.com>
6065
6066 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6067 __ctzhi2, __clzhi2): New functions.
6068
6069 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6070
6071 PR middle-end/23547
6072 * tree-nested.c (struct var_map_elt): Mark with GTY.
6073 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6074 var_map_elt.
6075 (lookup_field_for_decl): Allocate new element in GC memory.
6076 (lookup_tramp_for_decl): Likewise.
6077 (convert_nl_goto_reference): Likewise
6078 (create_nesting_tree): Allocate info in GC memory. Likewise for
6079 info->var_map.
6080 (free_nesting_tree): Free with ggc_free instead of free.
6081 (root): New static variable.
6082 (lower_nested_functions): Remove root as local variable. And zero out
6083 root at the end of the function.
6084
6085 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6086
6087 PR rtl-optimization/20365
6088 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6089 to short. New member ix.
6090 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6091 (simplify_plus_minus): Initialize ix members before calling qsort.
6092
6093 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6094
6095 PR tree-optimization/23626
6096 * tree-cfg.c (replace_uses_by): Clean up eh info.
6097
6098 2005-09-01 DJ Delorie <dj@redhat.com>
6099
6100 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6101 fprintf.
6102
6103 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6104
6105 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6106 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6107 gen_rtx_MEM.
6108
6109 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6110
6111 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6112 do not issue warning for a variable definition following
6113 a declaration.
6114
6115 2005-09-01 Richard Henderson <rth@redhat.com>
6116
6117 PR 23668
6118 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6119 conversion to CONST_VECTOR.
6120
6121 2005-09-01 Richard Henderson <rth@redhat.com>
6122
6123 PR 23676
6124 * reload1.c (reload_as_needed): Check !CALL_P before calling
6125 fixup_eh_region_note.
6126 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6127
6128 2005-09-01 DJ Delorie <dj@redhat.com>
6129
6130 * varasm.c (output_constant): Let the target resolve
6131 conversions of addresses to non-default pointer sizes.
6132
6133 2005-09-01 Nicolas Pitre <nico@cam.org>
6134
6135 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6136 to alow matching ARM pre-indexed addressing mode.
6137 (arm_override_options): Remove now irrelevant comment.
6138
6139 2005-09-01 Phil Edwards <phil@codesourcery.com>
6140
6141 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6142 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6143 * config/i386/vxworks.h: Likewise.
6144 * config/i386/t-vxworksae: New file, for VxWorks AE.
6145 * config/i386/vxworksae.h: Likewise.
6146
6147 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6148
6149 PR tree-optimization/23410
6150 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6151 sequence is not wrapping during the first step.
6152
6153 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6154
6155 PR debug/7241
6156 * dwarf2out.c (base_type_die): Compare char_type_node with
6157 TYPE_MAIN_VARIANT (type), not type.
6158
6159 2005-09-01 Richard Guenther <rguenther@suse.de>
6160
6161 PR tree-optimization/15366
6162 * common.opt: Add -finline-functions-called-once.
6163 Put -fearly-inlining in alphabetically ordered place.
6164 * doc/invoke.texi: Document new option.
6165 * ipa-inline.c (cgraph_decide_inlining): Honour
6166 flag_inline_functions_called_once.
6167
6168 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6169
6170 PR rtl-optimization/23478
6171 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6172 (alloc_qty): Initialize it.
6173 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6174 (combine_regs): Combine also n_throwing_calls_crossed fields.
6175 (find_free_reg): Don't attempt to caller-save pseudos crossing
6176 calls that might throw.
6177 * global.c (struct allocno): Add throwing_calls_crossed field.
6178 (global_alloc): Revert 2005-08-22 change. Initialize
6179 throwing_calls_crossed.
6180 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6181 might throw.
6182
6183 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6184
6185 PR target/23649
6186 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6187 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6188 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6189 (and64_2_operand): Tweak to use predicate.
6190 (and_operand): Adjust for mask_operand changes.
6191 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6192 (print_operand): Likewise.
6193 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6194 (mask64_1or2_operand): Delete.
6195 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6196 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6197 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6198 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6199 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6200 (rotldi3_internal4): Likewise.
6201 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6202 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6203 (ashldi3_internal7): Likewise.
6204 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6205 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6206 (anddi3 split): Don't match mask64_operand.
6207 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6208 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6209 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6210 't' splitter predicate.
6211 (movdi_internal64 + 2): Revert 2005-06-11 change.
6212
6213 2005-08-31 DJ Delorie <dj@redhat.com>
6214
6215 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6216 (m32c_asm_integer): Add support for 32 bit pointers.
6217
6218 2005-08-31 Richard Henderson <rth@redhat.com>
6219
6220 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6221 component-like references for setting MEM_NOTRAP_P.
6222
6223 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6224 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6225
6226 2005-08-31 Richard Henderson <rth@redhat.com>
6227
6228 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6229 into a pseudo before applying gen_lowpart.
6230
6231 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6232
6233 * doc/install.texi (Specific): Update cctools version required
6234 for full functionality.
6235 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6236 linkers as -macosx_version_min.
6237
6238 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6239
6240 PR target/21255
6241 * sh.c (print_operand, %R and %S): Add handling of floating point
6242 registers, memory, constants and invalid operands.
6243
6244 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6245
6246 * ipa-pure-const.c: Change dump name.
6247
6248 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6249
6250 PR target/23570
6251 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6252 to "reg_or_0_operand".
6253 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6254
6255 2005-08-31 Dale Johannesen <dalej@apple.com>
6256
6257 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6258 loops that count down.
6259
6260 2005-08-31 Richard Henderson <rth@redhat.com>
6261
6262 PR rtl-opt/23601
6263 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6264 (fixup_eh_region_note): New.
6265 (reload_as_needed): Call it.
6266 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6267 don't call find_many_sub_basic_blocks; call verify_flow_info.
6268 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6269 (keep_stack_depressed): Likewise.
6270 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6271
6272 2005-08-31 Richard Henderson <rth@redhat.com>
6273
6274 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6275 fp return matching.
6276
6277 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6278
6279 * expr.c (expand_expr_real_1): Compare size of address
6280 mode to target's address mode size in deciding expansion of
6281 the constant address.
6282
6283 2005-08-31 Richard Guenther <rguenther@suse.de>
6284
6285 PR middle-end/23477
6286 * expr.c (all_zeros_p): New function.
6287 (expand_expr_real_1): Handle the case of an all-zero
6288 non-addressable constructor separately.
6289
6290 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6291
6292 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6293 arguments, adjust all callers.
6294 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6295
6296 2005-08-30 Richard Henderson <rth@redhat.com>
6297
6298 PR target/23630
6299 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6300 whenever the mode sizes match.
6301
6302 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6303
6304 * calls.c (load_register_parameters): Fix comment typo.
6305 * expr.c (emit_push_insn): Comment formatting.
6306
6307 2005-08-30 Ian Lance Taylor <ian@airs.com>
6308
6309 * config/i386/x-cygwin (host-cygwin): Change dependency from
6310 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6311
6312 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6313
6314 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6315 parts of 'vals'.
6316
6317 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6318
6319 PR middle-end/23408
6320 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6321 call to ggc_collect.
6322
6323 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6324
6325 PR bootstrap/21268
6326 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6327 beginning. Remove $(INCLUDES) from all the rules, if following
6328 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6329
6330 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6331
6332 PR middle-end/23484
6333 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6334 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6335 not constant, but maxlen is, don't set len to maxlen, rather
6336 set maxlen to len if len is a constant.
6337
6338 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6339
6340 PR tree-optimization/23475
6341 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6342 and counts.
6343
6344 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6345
6346 Fix PR middle-end/22455
6347
6348 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6349 Checksum only the parts of the tree that exist for the tree code.
6350
6351 2005-08-28 Dale Johannesen <dalej@apple.com>
6352
6353 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6354
6355 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6356
6357 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6358
6359 2005-08-28 Richard Henderson <rth@redhat.com>
6360
6361 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6362 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6363 of char_type_node.
6364
6365 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6366
6367 PR ada/23593
6368 * builtins.c (get_memory_rtx): Don't strip nops
6369 in between COMPONENT_REFs.
6370
6371 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6372
6373 PR middle-end/23463
6374 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6375 types.
6376 (gimplify_modify_expr): Check for zero sized types and gimplify the
6377 rhs and lhs as statements.
6378
6379 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6380
6381 PR libgcj/23508
6382 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6383 state for return address column of signal frames.
6384
6385 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6386
6387 PR target/23539
6388 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6389 bytes >= 2 not bytes == 2.
6390 (expand_block_move): Same.
6391
6392 2005-08-27 Richard Guenther <rguenther@suse.de>
6393
6394 PR target/23575
6395 * config/i386/sse.md (sse2_movsd): Add missing closing
6396 braces.
6397
6398 2005-08-27 Paul Brook <paul@codesourcery.com>
6399
6400 * genrecog.c (enum decision_type): Add DT_num_insns.
6401 (struct decision_test): Add u.num_insns.
6402 (add_to_sequence): Add DT_num_insns test.
6403 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6404 (write_cond, debug_decision_2): Ditto.
6405 (change_state): Assume peep2_next_insn never fails.
6406 Remove "afterward" argument.
6407 (write afterward, write_tree): Update to match.
6408 * recog.c (peep2_current_count): New variable.
6409 (peep2_next_insn): Check it.
6410 (peephole2_optimize): Set peep2_current_count.
6411 * recog.h (peep2_current_count): Declare.
6412
6413 2005-08-26 Josh Conner <jconner@apple.com>
6414
6415 PR middle-end/23584
6416 * ipa-pure-const.c (check_tree): Check for volatile-ness
6417 when considering a dereference.
6418
6419 2005-08-27 Jakub Jelinek <jakub@redhat.com>
6420
6421 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6422
6423 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6424
6425 PR rtl-optimization/23561
6426 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
6427 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6428 at most LEN bytes long memory fits into the field.
6429 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6430 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6431 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6432
6433 2005-08-26 Richard Henderson <rth@redhat.com>
6434
6435 PR rtl-opt/23560
6436 * loop.c (biased_biv_may_wrap_p): New.
6437 (maybe_eliminate_biv_1): Use it to suppress non-equality
6438 comparison transformations. Delete disabled code.
6439
6440 2005-08-26 Ian Lance Taylor <ian@airs.com>
6441
6442 * combine.c (make_extraction): Avoid reference outside object.
6443
6444 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
6445
6446 * stor-layout.c (finalize_type_size): Restore behaviour for
6447 non-aggregate types to the status quo ante of the patch for
6448 pr 23467. Document why it matters.
6449
6450 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6451
6452 PR c/23506
6453 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6454 array by one element, initialize the BT_LAST element with NULL.
6455
6456 2005-08-26 David Edelsohn <edelsohn@gnu.org>
6457
6458 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6459 optimizing for size.
6460 (plus_eqsi): Same.
6461 (compare_plus_eqsi): Same.
6462 (plus_eqsi_compare): Same.
6463 (neg_eq0<mode>): Same.
6464 (neg_eq<mode>): Same.
6465
6466 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6467 PROCESSOR_POWER4.
6468
6469 2005-08-26 Nick Clifton <nickc@redhat.com>
6470
6471 * config/v850/v850.c (ep_memory_operand): Return FALSE if
6472 TARGET_EP is not defined.
6473 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6474 TARGET_EP is enabled.
6475 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6476 * config/v850/v850.md (save_all_interrupt): Only use the EP
6477 register if TARGET_EP is defined.
6478 (restore_all_interrupt): Likewise.
6479 * config/v850/lib1funcs.asm: Update functions so that the EP
6480 register is only used if __EP__ is defined.
6481
6482 2005-08-26 David Ung <davidu@mips.com>
6483
6484 * config/mips/mips.c (mips_expand_prologue): Handle case when
6485 generating for MIPS16 and the outgoing argument area is more than
6486 SMALL_OPERAND. Use the frame pointer as temporary to generate the
6487 add instruction.
6488
6489 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
6490
6491 * config/crx/crx.md: Make doloop_end pattern usage controllable
6492 via mloop-nesting=<max-nesting> command line switch. Make sure
6493 the combiner cannot use doloop_end_<mode> in an illegal way.
6494 * config/crx/crx.c: Use regs up to r6 for argument passing.
6495 Refine crx_address_cost (non cst4 displacements are expensive).
6496 * config/crx/crx.opt: Add switch for mloop-nesting=.
6497
6498 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
6499
6500 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6501 (UNSPEC_MVST): New constant.
6502
6503 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
6504
6505 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6506 Reject operands containing eliminable registers.
6507 * testsuite/gcc.dg/20050825-1.c: New testcase.
6508
6509 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6510 Jan Hubicka <jh@suse.cz>
6511
6512 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6513
6514 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6515
6516 PR tree-optimization/23546
6517 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6518 and REAL_CST nodes.
6519
6520 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
6521
6522 * params.def (PARAM_MIN_SPEC_PROB): New.
6523 * sched-rgn.c (MIN_PROBABILITY): Delete.
6524 (compute_trg_info): Convert to PARAM_VALUE.
6525 * doc/invoke.texi (param): Document min-spec-prob.
6526
6527 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
6528
6529 * config/darwin.h: define __PIC__
6530 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6531 TARGET_OS_CPP_BUILTINS macro.
6532
6533 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6534
6535 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6536 yesterday.
6537
6538 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6539
6540 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6541 to duplicate_block.
6542 * cfghooks.c (duplicate_block): Added position where to place
6543 new block as argument.
6544 * cfghooks.h (duplicate_block): Declaration changed.
6545 * cfglayout.c (copy_bbs): Add argument after. Pass it to
6546 duplicate_block.
6547 * cfglayout.h (copy_bbs): Declaration changed.
6548 * cfgloop.h (loop_version): Declaration changed.
6549 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6550 position to copy_bbs.
6551 (loop_version): Pass position to duplicate_loop_to_header_edge.
6552 Add place_after argument and position new blocks according to
6553 it.
6554 * modulo-sched.c (sms_schedule): Pass place_after argument
6555 to loop_version.
6556 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6557 * tree-cfg.c (split_edge_bb_loc): New function.
6558 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6559 to determine position of new blocks.
6560 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6561 to loop_version.
6562 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6563 argument to duplicate_block.
6564 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6565 Pass position to copy_bbs.
6566
6567 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6568
6569 * fold-const.c (ptr_difference_const): Use
6570 cst_and_fits_in_hwi instead of host_integerp.
6571
6572 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6573
6574 * config/darwin.c (gen_pic_offset): New.
6575 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
6576 Use it.
6577
6578 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
6579
6580 PR tree-optimization/23486
6581 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6582
6583 2005-08-23 Phil Edwards <phil@codesourcery.com>
6584
6585 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
6586 remove use_collect2.
6587 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
6588
6589 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
6590 configuration files to override the default value.
6591
6592 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
6593 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6594 * config/vx-common.h: New file, split out from...
6595 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
6596 * config/vxworksae.h: New file, for VxWorks AE.
6597 * config/vxworks.opt: New file.
6598 * config/vxlib.c: Update for VxWorks 6.
6599
6600 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
6601 other MULTILIB_* variables appropriately.
6602 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
6603 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
6604 * config/rs6000/vxworks.h: Update for VxWorks 6.
6605 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
6606
6607 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
6608
6609 PR target/20799
6610 * config/darwin.c (machopic_select_section): Remove the hack to
6611 mark "::operator new" and "::operator delete" for coalescing
6612 even though they are not weak.
6613
6614 2005-08-24 Alan Modra <amodra@bigpond.net.au>
6615
6616 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6617 * configure: Regenerate.
6618
6619 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6620
6621 PR middle-end/23517
6622 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6623 between vectors.
6624 * convert.c (convert_to_integer, convert_to_vector): Likewise.
6625 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6626 Likewise.
6627
6628 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6629
6630 * config/rs6000/predicates.md (equality_operator): New.
6631 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6632 comparison with a large constant.
6633
6634 2005-08-23 Mark Mitchell <mark@codesourcery.com>
6635
6636 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6637
6638 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
6639
6640 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6641 registers is even, and we have a hardware double precision fp,
6642 align the buffer.
6643 (sh_gimplify_va_arg_expr): For floating point arguments, consider
6644 size of current argument when checking if argument was passed in
6645 registers.
6646
6647 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6648
6649 PR middle-end/23467
6650 * stor-layout.c (finalize_type_size): Dont override
6651 existing alignment with a smaller alignment from the mode.
6652
6653 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6654
6655 * lambda-code.c (lambda_vector_lexico_pos): Moved...
6656 * lambda.h (lambda_vector_lexico_pos): ... here.
6657 * tree-data-ref.c (build_classic_dist_vector): Return false when
6658 the distance vector is lexicographically negative.
6659
6660 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6661
6662 PR tree-optimization/23511
6663 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6664 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6665
6666 2005-08-23 Jakub Jelinek <jakub@redhat.com>
6667
6668 PR tree-optimization/22043
6669 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6670 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6671 If ALLOW_FLEXARR, handle types ending with flexible array member.
6672 Pass false as second argument to recursive count_type_elements calls.
6673 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6674 argument to count_type_elements call.
6675 * tree-sra.c (decide_block_copy): Likewise.
6676 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6677 for a constant-sized object, set cleared as well. Pass true as
6678 second argument to count_type_elements call.
6679
6680 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6681
6682 PR target/21571
6683 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6684 from legitimate_small_data_p, and make global. Update use.
6685 Remove forward declaration.
6686 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6687 Declare.
6688 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6689
6690 2005-08-23 David Edelsohn <edelsohn@gnu.org>
6691
6692 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6693 of scratch intermediates.
6694 (eq<mode>_compare): Same.
6695 (neg_eq0<mode>): New.
6696 (neg_eq<mode>): Convert to define_insn_and_split.
6697
6698 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6699
6700 PR target/23070
6701 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6702 stdarg functions, set/clear the fp marker even when no variable
6703 args are passed.
6704 * config/rs6000/sysv4.opt (mprototype): Describe.
6705
6706 2005-08-22 Jakub Jelinek <jakub@redhat.com>
6707
6708 PR rtl-optimization/23478
6709 * regs.h (reg_info): Add throw_calls_crossed.
6710 (REG_N_THROWING_CALLS_CROSSED): Define.
6711 * flow.c (allocate_reg_life_data): Initialize
6712 REG_N_THROWING_CALLS_CROSSED.
6713 (propagate_one_insn, attempt_auto_inc): Update
6714 REG_N_THROWING_CALLS_CROSSED.
6715 * global.c (global_alloc): Don't allocate pseudos across
6716 calls that may throw.
6717
6718 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
6719
6720 PR c/18715
6721 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6722 value is inbetween the range if we did not find an exact match.
6723
6724 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
6725
6726 * doc/invoke.texi (Option Summary): Add ms1 options.
6727 * doc/extend.texi: Document interrupt handler attribute for ms1.
6728 * doc/md.texi: Document ms1 constraints.
6729 * config.gcc: Add ms1-*-elf.
6730 * config/ms1/ms1.h: New.
6731 * config/ms1/ms1.c: New.
6732 * config/ms1/ms1.md: New.
6733 * config/ms1/ms1-protos.h: New.
6734 * config/ms1/ABI.txt: New.
6735 * config/ms1/crti.asm: New.
6736 * config/ms1/crtn.asm: New.
6737 * config/ms1/lib2extra-funcs.c: New.
6738 * config/ms1/t-ms1: New.
6739 * config/ms1/ms1.opt: New.
6740
6741 2005-08-22 Ira Rosen <irar@il.ibm.com>
6742
6743 * config/rs6000/altivec.md (xorv4sf3): New.
6744 (negv4sf2, neg<mode>2): Likewise.
6745
6746 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
6747
6748 PR target/23485
6749 * config/ia64/ia64.md (divsi3): Check divide by zero.
6750 (udivsi3): Likewise.
6751 (divdi3): Likewise.
6752 (udivdi3): Likewise.
6753
6754 2005-08-21 Jakub Jelinek <jakub@redhat.com>
6755
6756 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6757 up to elem_bitsize bits, not max_bitsize.
6758
6759 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6760
6761 PR tree-optimization/23433
6762 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6763 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6764
6765 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6766
6767 PR tree-optimization/23434
6768 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6769 the iteration bound is not an INTEGER_CST.
6770
6771 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
6772
6773 * tree-vect-transform.c (get_initial_def_for_reduction): Set
6774 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6775 NULL if need_epilog_adjust is false.
6776 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6777 Case 3 always peels first itration, not just for PLUS case, and no need
6778 to use scalar_initial_def here. Create an epilog adjustment only if
6779 scalar_initial_def is not NULL.
6780
6781 (vectorizable_reduction): Remove assert.
6782
6783 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
6784
6785 PR target/23485
6786 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6787 (__moddi3): Likewise.
6788 (__udivdi3): Likewise.
6789 (__umoddi3): Likewise.
6790 (__divsi3): Likewise.
6791 (__modsi3): Likewise.
6792 (__udivsi3): Likewise.
6793 (__umodsi3): Likewise.
6794
6795 2005-08-20 Jakub Jelinek <jakub@redhat.com>
6796
6797 * tree-pass.h (TDF_GRAPH): Define.
6798 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6799 * passes.c (finish_optimization_passes): Only call
6800 finish_graph_dump_file if TDF_GRAPH is set.
6801 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6802 NULL. Set TDF_GRAPH bit.
6803 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6804
6805 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
6806
6807 * arm.h (arm_stack_offsets): Add locals_base field.
6808 * arm.c (arm_get_frame_offsets): Compute it.
6809 (thumb_compute_initial_elimination offset): Make the Thumb frame
6810 pointer point to the base of the local variables.
6811 (thumb_expand_prologue): Update accordingly.
6812 (thumb_expand_epilogue): Likewise.
6813
6814 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
6815 mode of clobbered scratch to DImode. Handle a case that's known to
6816 need this.
6817
6818 2005-08-19 David Edelsohn <edelsohn@gnu.org>
6819
6820 * config/rs6000/rs6000.md (gt0<mode>): Delete.
6821 (gt0<mode>_compare): Delete.
6822 (neg_gt0<mode>): Delete.
6823
6824 2005-08-19 Eric Christopher <echristo@apple.com>
6825
6826 * optabs.h: Change CTI_ to COI_.
6827 * optabs.c: Ditto.
6828
6829 2005-08-19 James E Wilson <wilson@specifix.com>
6830
6831 * builtins.c (expand_builtin_return_addr): Set
6832 current_function_accesses_prior_frames when count != 0. Use
6833 frame_pointer_rtx when count == 0.
6834 * function.h (struct function): Add accesses_prior_frames field.
6835 (current_function_accesses_prior_frames): Define.
6836 * reload1.c (init_elim_table): Check
6837 current_function_accesses_prior_frames.
6838 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6839
6840 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6841
6842 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6843 indicator. Return true if the flowgraph changed during
6844 cleanup.
6845
6846 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6847
6848 PR 23476
6849 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6850 conditional expression before testing its value.
6851
6852 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6853
6854 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6855
6856 2005-08-19 Devang Patel <dpatel@apple.com>
6857
6858 PR tree-optimization/23048
6859 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6860 third parameter. Check whether latch is dominated by exit
6861 block or not.
6862 (if_convertible_loop_p): Supply exit block itself to
6863 if_convertible_bb_p.
6864
6865 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6866
6867 PR target/23473
6868 * arm.md (arm_load_pic_register): Change argument to the mask of
6869 saved registers. Call thumb_find_work_register if we need a
6870 scratch register on Thumb.
6871 (arm_expand_prologue): Pass empty register set to
6872 arm_load_pic_register.
6873 (thumb_expand_prologue): Pass live_regs_mask directly to
6874 arm_load_pic_register.
6875 * arm-protos.h (arm_load_pic_register): Update prototype.
6876
6877 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
6878
6879 * sh.c (find_sole_member): New function.
6880 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6881 if the record's alignment is larger than the size of its only member.
6882
6883 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6884
6885 PR target/23436
6886 * arm.c (thumb_legitimize_reload_address): New function.
6887 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6888 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6889
6890 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
6891
6892 * config/crx/crx.c: Implement crx_decompose_address. Reject
6893 symbolic displacements since CRX register relative adressing
6894 mode can't handle unsigned 32-bit values as displacements.
6895 * config/crx/crx.h: Simplify definitions, remove redundant
6896 parenthesis and obsolete macros.
6897 * config/crx/crx.opt: Add new switch for debugging addresses.
6898 * config/crx/crx-protos.h: Add new declarations for above.
6899
6900 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
6901
6902 PR middle-end/20624
6903 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6904 looking past it.
6905
6906 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6907
6908 * collect2.c (dup2): Delete.
6909 * configure.ac: Don't check for dup2.
6910
6911 * config.in, configure: Regenerate.
6912
6913 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
6914
6915 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6916 record with the type of its only member.
6917
6918 2005-08-18 David Edelsohn <edelsohn@gnu.org>
6919
6920 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6921 define_insn_and_split.
6922 (plus_ltu<mode>_compare): Same.
6923 (gtu<mode>_compare): Same.
6924 (plus_gtu<mode>_compare): Same.
6925
6926 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
6927
6928 PR tree-optimization/22228
6929 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6930 todo_flags_start.
6931 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6932 are recorded in vect_vnames_to_rename for renaming.
6933 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6934 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6935 in vect_vnames_to_rename.
6936 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6937 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6938
6939 2005-08-18 Jan Hubicka <jh@suse.cz>
6940
6941 PR c++/22034
6942 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6943 info only for local statics, not for member variables.
6944
6945 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6946
6947 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6948
6949 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6950
6951 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6952
6953 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
6954
6955 PR middle-end/16045
6956 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6957
6958 2005-08-17 James E Wilson <wilson@specifix.com>
6959
6960 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6961 array size check.
6962
6963 2005-08-17 David Edelsohn <edelsohn@gnu.org>
6964
6965 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6966 (leu<mode>_compare): Same.
6967 (plus_leu<mode>): Same.
6968 (neg_leu<mode>): Same.
6969 (and_neg_leu<mode): Same.
6970 (ltu<mode>_compare): Same.
6971 (plus_ltu<mode>): Same.
6972 (geu<mode>): Same.
6973 (geu<mode>_compare): Same.
6974 (plus_geu<mode>): Same.
6975 (neg_geu<mode>): Same.
6976 (and_neg_geu<mode>): Same.
6977 (plus_gt<mode>): Same.
6978 (gtu<mode>_compare): Same.
6979 (plus_gtu<mode>): Same.
6980
6981 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
6982
6983 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6984 Move call_table_data to end. Delete spurious .text.
6985 (callt_save_all_interrupt): Fix comment typo.
6986
6987 2005-08-17 James E Wilson <wilson@specifix.com>
6988 Kevin Winchester <winchester@amirix.com>
6989
6990 PR target/21684
6991 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6992
6993 2005-08-17 Uros Bizjak <uros@kss-loka.si>
6994
6995 PR target/23268
6996 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6997 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6998
6999 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7000
7001 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7002 record with the type of its only member if the modes don't match.
7003
7004 * varasm.c (decode_reg_name): Skip empty additional register names.
7005
7006 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7007
7008 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7009 lsm_tmp_name_length): New.
7010 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7011 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7012
7013 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7014 Andreas Krebbel <krebbel1@de.ibm.com>
7015
7016 * config.gcc: Added z9-109 switch.
7017 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7018 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7019 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7020 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7021 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7022 for "z9_109" cpu attribute.
7023 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7024 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7025 (s390_handle_arch_option): Added z9-109 switch.
7026 (override_options): Set respective cost function for z9-109.
7027 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7028 (legitimate_reload_constant_p): Accept extended immediates.
7029 (print_operand): Three new output modifiers added: k, m and o.
7030 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7031 (s390_output_mi_thunk): Use extended immediate when possible.
7032 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7033 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7034 (CONSTRAINT_LEN): Added length of O constraint.
7035 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7036 * config/s390/s390.md ("cpu"): New value z9_109 added.
7037 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7038 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7039 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7040 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7041 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7042 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7043 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7044 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7045 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7046 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7047 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7048 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7049 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7050 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7051 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7052 immediates.
7053 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7054 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7055 insns for TARGET_EXTIMM.
7056
7057 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7058
7059 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7060
7061 2005-08-17 Nick Clifton <nickc@redhat.com>
7062
7063 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7064 Call default_encode_section_info.
7065
7066 2005-08-17 Steven Bosscher <stevenb@suse.de>
7067
7068 PR tree-optimization/21574
7069 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7070 constant, return CONSTANT.
7071 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7072 (ccp_fold, visit_assignment): Likewise.
7073 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7074
7075 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7076
7077 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7078 fold_buildN instead of buildN then fold_initializer or fold.
7079 (build_unary_op): Likewise.
7080 (build_binary_op): Likewise.
7081 * fold-const.c (fold_initializer): Remove.
7082 (fold_build1_initializer): New function.
7083 (fold_build2_initializer): New function.
7084 (fold_build3_initializer): New function.
7085 * tree.h (fold_initializer): Remove.
7086 (fold_build1_initializer): New function.
7087 (fold_build2_initializer): New function.
7088 (fold_build3_initializer): New function.
7089
7090 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7091
7092 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7093 (try_move_mult_to_index): Call fold_build2 instead of build2.
7094 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7095 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7096 fold_binary_to_constant.
7097 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7098 fold (build.
7099 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7100 check if A == gcd (A, B). Remove TYPE argument.
7101 (analyze_offset) Use fold_build2 instead of fold (build.
7102 (create_data_ref): Likewise.
7103 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7104 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7105 then fold.
7106
7107 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7108
7109 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7110 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7111
7112 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7113
7114 PR tree-opt/23402
7115 * gimplify.c (zero_sized_type): New function.
7116 (gimplify_modify_expr_rhs): If we have a zero sized type,
7117 replace the statement with an empty statement.
7118
7119 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7120
7121 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7122 fxsave.
7123
7124 2005-08-16 Ian Lance Taylor <ian@airs.com>
7125
7126 * doc/tm.texi (Label Output): Correct typo.
7127
7128 2005-08-16 Steven Bosscher <stevenb@suse.de>
7129
7130 PR target/23376
7131 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7132 force_operand will work later on using have_insn_for.
7133
7134 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7135
7136 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7137
7138 2005-08-16 Ian Lance Taylor <ian@airs.com>
7139
7140 PR c++/23337
7141 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7142 vector type, don't try to construct it element by element. Add an
7143 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7144
7145 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7146
7147 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7148
7149 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7150
7151 * doc/invoke.texi (Precompiled Headers): Document some more options
7152 which are known to be safe.
7153
7154 2005-08-16 James E Wilson <wilson@specifix.com>
7155
7156 PR tree-optimization/21105
7157 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7158 TREE_OVERFLOW check.
7159
7160 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7161
7162 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7163 (neg_ltu<mode>): Same.
7164 (gtu<mode>): Same.
7165 (neg_gtu<mode>): Same.
7166
7167 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7168
7169 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7170 (fold_builtin_isdigit): Use fold_buildN.
7171 (build_function_call_expr): Likewise.
7172 * c-typeck.c (c_finish_loop): Likewise.
7173
7174 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7175 Richard Shann <rshann@superh.com>
7176
7177 PR middle-end/20396:
7178 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7179
7180 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7181
7182 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7183
7184 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7185
7186 PR target/23355
7187 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7188 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7189 must be saved.
7190
7191 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7192
7193 PR middle-end/23369
7194 * fold-const.c (build_range_check): Disable optimization for function
7195 pointer expressions on targets that require function pointer
7196 canonicalization.
7197
7198 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7199
7200 * simplify-rtx.c (simplify_const_relational_operation): When
7201 extracting arguments of a COMPARE, recompute the mode as well.
7202
7203 2005-08-15 Ian Lance Taylor <ian@airs.com>
7204
7205 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7206
7207 2005-08-15 DJ Delorie <dj@redhat.com>
7208
7209 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7210 the stack.
7211 (movsi_splittable): Allow, but split, moves to the stack.
7212 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7213 stack.
7214
7215 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7216
7217 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7218 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7219 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7220
7221 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7222 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7223 Delete HOST_PTR_PRINTF.
7224
7225 * configure, config.in: Regenerate.
7226
7227 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7228
7229 * config/rs6000/rs6000.md (QHSI): New mode macro.
7230 (wd): Extend mode attr for QImode and HImode
7231 (dbits): New mode attr.
7232 (zero_extend<mode>di2): Convert to mode macro.
7233
7234 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7235
7236 PR target/21841
7237 * doc/invoke.texi (-mgnu-ld): Update description.
7238 (-mhp-ld): Ditto.
7239
7240 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7241
7242 PR 23391
7243 * Makefile.in (tree-chrec.o): Depends on real.h.
7244 * tree-chrec.c: Include real.h.
7245 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7246 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7247 * tree-scalar-evolution.c (add_to_evolution_1,
7248 interpret_rhs_modify_expr): Ditto.
7249
7250 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7251
7252 PR 23386
7253 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7254 step is negative compute the estimation from init downwards to zero.
7255
7256 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7257
7258 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7259
7260 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7261
7262 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7263 constraint.
7264 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7265 Accept double-word constants that can be split.
7266 * config/s390/s390.md ("movti"): Use 'P' constraint.
7267 ("*movdi_31", "*movdf_31"): Likewise.
7268
7269 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7270
7271 Fix PR tree-optimization/22615
7272
7273 * tree-ssa-structalias.c (solution_set_add): Handle
7274 first_vi_for_offset returning NULL.
7275 (do_da_constraint): Ditto.
7276 (do_sd_constraint): Ditto.
7277 (do_ds_constraint): Ditto
7278 (find_func_aliases): Ditto.
7279 (build_constraint_graph): RHS is allowed be ANYTHING.
7280 (first_vi_for_offset): Return NULL if we couldn't find anything at
7281 the offset.
7282
7283 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7284
7285 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7286 over memory as first operand.
7287
7288 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7289
7290 PR target/23360
7291 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7292 available for setting it.
7293
7294 2005-08-14 Ira Rosen <irar@il.ibm.com>
7295
7296 PR tree-optimization/23320
7297 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7298 data-refs' types instead of base object nullness. Add check for
7299 pointer type data-refs before first location comparison. Remove
7300 assert.
7301
7302 2005-08-14 Andreas Schwab <schwab@suse.de>
7303
7304 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7305
7306 2005-08-13 James E Wilson <wilson@specifix.com>
7307
7308 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7309 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7310 -fstack-protector-all, --param ssp-buffer-size): Document.
7311 (-Wvariadic-macros): Alphabetize.
7312 (-fsched-stalled-insns-dep): Add missing 'f'.
7313
7314 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7315 macros.
7316
7317 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7318
7319 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7320 or indirect address operand.
7321 (EXTRA_ADDRESS_CONSTRAINT): New.
7322 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7323
7324 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7325
7326 PR tree-optimization/22236
7327 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7328 successors and predecessors.
7329 * tree-chrec.c (chrec_convert): Before converting, check that
7330 sequences don't wrap.
7331 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7332 (analyze_array): Extern.
7333 (find_data_references_in_loop): Remove call to
7334 compute_estimated_nb_iterations.
7335 * tree-data-ref.h (analyze_array): Declared.
7336 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7337 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7338 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7339 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7340 condition.
7341 * tree-ssa-loop-ivcanon.c: Fix documentation.
7342 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7343 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7344 (infer_loop_bounds_from_undefined): New.
7345 (estimate_numbers_of_iterations_loop): Use
7346 infer_loop_bounds_from_undefined.
7347 (used_in_pointer_arithmetic_p): New.
7348 (scev_probably_wraps_p): Pass an extra parameter. Call
7349 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7350 (convert_step): Fix documentation.
7351 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7352 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7353 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7354 scev_probably_wraps_p.
7355
7356 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7357
7358 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7359 (s390_register_info): Ignore clobbered_regs information for fixed
7360 registers, and only fixed registers.
7361 (s390_init_frame_layout): Remove redundant call.
7362
7363 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7364
7365 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7366 description of -Wold-style-casts.
7367
7368 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7369 Jakub Jelinek <jakub@redhat.com>
7370
7371 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7372 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7373 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7374 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7375 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7376 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7377 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7378 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7379 ("stack_protect_set", "stack_protect_test"): New expanders.
7380 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7381 "stack_protect_testdi"): New insn definitions.
7382
7383 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7384
7385 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7386
7387 2005-08-12 Paul Brook <paul@codesourcery.com>
7388
7389 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7390
7391 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7392
7393 * config/s390/predicates.md (setmem_operand): New predicate.
7394 (shift_count_operand): Accept ANDs with special constants as
7395 operand.
7396 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7397 with special constants.
7398 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7399 shift_count_operand with setmem_operand.
7400
7401 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7402
7403 * config/s390/s390.c (s390_extract_part, s390_single_part):
7404 Type cast added.
7405 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7406 (s390_output_mi_thunk): Don't use lg on 31 bit.
7407 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7408 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7409
7410 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7411
7412 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7413 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7414 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7415 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7416 with one of the new macros.
7417
7418 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7419
7420 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7421 Don't set save_return_addr_p.
7422 (s390_register_info): Make clobbered_regs not depending on
7423 save_return_addr_p.
7424
7425 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
7426
7427 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7428 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7429
7430 2005-08-11 James E. Wilson <wilson@specifix.com>
7431
7432 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7433
7434 2005-08-11 Jakub Jelinek <jakub@redhat.com>
7435
7436 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7437 locations gathered by var-tracking in single entry loc_list
7438 over loc_descriptor_from_tree.
7439
7440 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7441 pass it down to loc_descriptor.
7442 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7443 (containing_function_has_frame_base): Move earlier in the file.
7444 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7445 instead of always assuming fbreg can't be used.
7446
7447 2005-08-11 David Edelsohn <edelsohn@gnu.org>
7448
7449 * config/rs6000/altivec.md: Change constraint "m" to "Z".
7450 * config/rs6000/predicates.md (indexed_or_indirect_operand):
7451 Accept address wrapped in AND for Altivec.
7452 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7453 Strip AND wrapping offset address for Altivec.
7454
7455 2005-08-11 Richard Henderson <rth@redhat.com>
7456
7457 PR middle-end/23312
7458 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7459 before using TYPE_IS_SIZETYPE.
7460
7461 2005-08-11 Richard Henderson <rth@redhat.com>
7462
7463 PR target/22225
7464 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7465 insn types not present on ev4.
7466 (alphaev5_insn_pipe): Similarly.
7467
7468 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
7469
7470 PR target/23250
7471 * arm.c (arm_override_options): If the user has selected callee-super-
7472 interworking, then enable normal interworking.
7473
7474 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7475
7476 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7477 redefinition.
7478
7479 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
7480
7481 * doc/rtl.texi: Fix two typos.
7482
7483 2005-08-11 Richard Guenther <rguenther@suse.de>
7484
7485 PR target/23289
7486 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7487 cases where we call to/from functions returning void.
7488
7489 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
7490
7491 PR c++/23225
7492 * tree.c (build_pointer_type_for_mode): Robustify.
7493
7494 2005-08-10 James E Wilson <wilson@specifix.com>
7495
7496 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7497 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7498
7499 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7500 "cum->".
7501
7502 2005-08-10 Eric Christopher <echristo@apple.com>
7503
7504 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7505 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7506 V2DFmode.
7507
7508 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
7509
7510 PR target/21887
7511 * config/darwin.c (machopic_indirect_data_reference): Use a new register
7512 for the high part when generating dynamic-no-pic code.
7513
7514 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
7515
7516 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7517 (x86_64-*-linux*): Likewise.
7518
7519 * config/i386/crtfastmath.c: New file.
7520 * config/i386/t-crtfm: Likewise.
7521
7522 * config/i386/linux.h (ENDFILE_SPEC): New.
7523 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7524
7525 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7526 crtfastmath.o.
7527
7528 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
7529
7530 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7531 (vec_shl, vec_shr): Document new operations.
7532 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7533
7534 2005-08-10 David Edelsohn <edelsohn@gnu.org>
7535
7536 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7537 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7538 change predicate to indexed_or_indirect_address.
7539
7540 2005-08-10 Richard Sandiford <richard@codesourcery.com>
7541
7542 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7543 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7544 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7545 and __aeabi_uwrite8.
7546 * config/arm/unaligned-funcs.c: New file.
7547 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7548
7549 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
7550
7551 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7552 Add dump.
7553 * cfglayout.c (pass_insn_locators_initialize): Add dump.
7554 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7555 Add dump.
7556 * except.c (pass_convert_to_eh_region_ranges): Add dump.
7557 * final.c (pass_shorten_branches): Add dump.
7558 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7559 (pass_life): Rename dump.
7560 (rest_of_handle_flow2): Remove initial verify_flow_info.
7561 * function.c (pass_instantiate_virtual_regs): Add dump.
7562 * integrate.c (pass_initial_value_sets): Add dump.
7563 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7564 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7565 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7566 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7567 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7568 gate_rtl_unrool_and_peel_loops): New.
7569 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7570 rtl_doloop): Do not look at flags.
7571 * mode-switching.c (pass_mode_switching): Add dump.
7572 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7573 pass_split_before_regstack): Add dump.
7574 * regmove.c (pass_stack_adjustments): Add dump.
7575 * tree-optimize.c (pass_fixup_cfg): Add dump.
7576
7577 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7578
7579 PR 23309
7580 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7581 deciding which instruction sequence to use.
7582
7583 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
7584
7585 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7586 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7587
7588 2005-08-09 Richard Guenther <rguenther@suse.de>
7589
7590 * c-common.c (builtin_function_2): Remove.
7591 (def_builtin_1): New function.
7592 (c_common_nodes_and_builtins): Use def_builtin_1 to
7593 build builtin functions.
7594
7595 2005-08-09 Jie Zhang <jie.zhang@analog.com>
7596
7597 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7598 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7599 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7600 Visual DSP.
7601
7602 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7603
7604 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7605 fold_binary instead of fold_build2 since we don't care about the
7606 resulting tree.
7607 (loop_niter_by_eval): Likewise.
7608 (compare_trees): Likewise.
7609 (proved_non_wrapping_p): Likewise.
7610
7611 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7612
7613 PR c/23161
7614 PR c/23165
7615 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7616 if the if is really empty.
7617
7618 2005-08-09 Steven Bosscher <stevenb@suse.de>
7619
7620 PR tree-optimization/23234
7621 * tree-ssa-math-opts.c (place_reciprocal): New enum.
7622 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7623 argument of the new enum.
7624 (execute_cse_reciprocals): Add reciprocals for function arguments
7625 on the unique successor edge of the entry block. Update other calls
7626 to execute_cse_reciprocals_1.
7627
7628 2005-08-08 Richard Henderson <rth@redhat.com>
7629
7630 PR 22439
7631 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7632
7633 2005-08-08 Bob Wilson <bob.wilson@acm.org>
7634
7635 * expr.c (write_complex_part): Return after handling MEM.
7636
7637 2005-08-08 Josh Conner <jconner@apple.com>
7638
7639 PR rtl-optimization/23241
7640 * combine.c (simplify_comparison): Fix error in determining
7641 whether to lift a subreg from comparison.
7642
7643 2005-08-08 David Edelsohn <edelsohn@gnu.org>
7644
7645 PR target/18506
7646 * config/rs6000/altivec.md (vec_init<mode>): New.
7647 (vec_set<mode>): New.
7648 (vec_extract<mode>): New.
7649 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7650 (rs6000_expand_vector_set): New.
7651 (rs6000_expand_vector_extract): New.
7652 (rs6000_legitimate_offset_address_p): Offset addresses are valid
7653 for Altivec modes before reload.
7654 (altivec_expand_vec_init_builtin): New.
7655 (get_element_number): New.
7656 (altivec_expand_vec_set_builtin): New.
7657 (altivec_expand_vec_ext_builtin): New.
7658 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7659 builtins.
7660 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7661 builtins.
7662 * config/rs6000/rs6000.h (rs6000_builtins): Add
7663 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7664 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7665 * config/rs6000/rs6000-protos.h: Declare new functions.
7666
7667 2005-08-08 Jan Hubicka <jh@suse.cz>
7668
7669 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7670 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7671 * i386.md (movdi*): Use pic_32bit_operand.
7672 * predicates.md (pic_32bit_operand): New.
7673
7674 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
7675
7676 PR c++/21166
7677 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7678
7679 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
7680
7681 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7682 (test_for_singularity): Use fold_build2.
7683
7684 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7685
7686 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7687
7688 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
7689
7690 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7691 (COMMON_ASM_OP) Define.
7692 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7693 (ix86_encode_section_info): Likewise.
7694 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7695 SUBTARGET_ENCODE_SECTION_INFO.
7696
7697 2005-08-06 Richard Henderson <rth@redhat.com>
7698
7699 PR 21894
7700 * tree-nested.c (convert_local_reference): Save and restore val_only
7701 around component_ref and friends. Clear walk_subtrees by default.
7702
7703 2005-08-06 Peter O'Gorman <peter@pogma.com>
7704
7705 PR 21366
7706 * gcc.c (process_command): Check the argument to -b has a dash.
7707 * doc/invoke.texi: Update -b and -V docs.
7708
7709 2005-08-06 James E Wilson <wilson@specifix.com>
7710
7711 * config/mips/cross64.h, config/mips/t-cross64: Delete.
7712
7713 2005-08-06 Michael Matz <matz@suse.de>
7714
7715 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7716 member only if only one insn is associated with the value.
7717
7718 2005-08-06 Nick Clifton <nickc@redhat.com>
7719
7720 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7721 New define.
7722 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7723 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7724 Check symbol flags instead of symbol name mangling.
7725 (xstormy16_asm_output_aligned_common): Likewise. Also
7726 simplify code since the bss100_section cass is the only case
7727 where the below100 code will be triggered.
7728 (xstormy16_encode_section_info): Encode below100 attribute
7729 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7730 the name.
7731 (xstormy16_strip_name_encoding): Delete - this function is no
7732 longer needed.
7733 (TARGET_STRIP_NAME_ENCODING): Undefine.
7734 * config/stormy16/stormy16-protos.h: Delete prototype for
7735 xstormy16_strip_name_encoding.
7736
7737 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
7738
7739 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7740 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7741 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7742 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7743 config/alpha/predicates.md, config/arc/arc.h,
7744 config/arm/arm.h, config/arm/ieee754-df.S,
7745 config/arm/ieee754-sf.S, config/bfin/bfin.c,
7746 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7747 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7748 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7749 config/m68hc11/m68hc11.h, config/mips/mips.c,
7750 config/mips/mips.h, config/mips/openbsd.h,
7751 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7752 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7753 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7754 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7755 config/sparc/linux.h, config/sparc/linux64.h,
7756 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7757 doc/extend.texi, doc/gcov.texi, doc/install.texi,
7758 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7759 typos. Follow spelling conventions.
7760
7761 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
7762
7763 PR c/23113
7764 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7765 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7766 specially. Check for side effects only for COND_EXPR.
7767 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7768 return with TREE_NO_WARNING.
7769
7770 2005-08-06 Richard Sandiford <richard@codesourcery.com>
7771
7772 PR rtl-optimization/23233
7773 * loop.c (combine_movables): Require the modes to be the same.
7774 (move_movables): Remove handling of cases where the replacement
7775 had a different mode to the original.
7776
7777 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
7778
7779 PR tree-optimization/23128
7780 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7781 subtraction wrap, and set TREE_OVERFLOW if they do.
7782
7783 2005-08-05 Richard Henderson <rth@redhat.com>
7784
7785 PR 21728
7786 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7787 FORCED_LABEL labels.
7788
7789 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
7790
7791 PR middle-end/23135
7792 * reload.c (find_reloads_subreg_address): Pass down TYPE
7793 unchanged. Change all callers except find_reloads_toplev.
7794
7795 2005-08-05 Michael Matz <matz@suse.de>
7796
7797 * genattrtab.c (current_alternative_string): Remove.
7798 (SIMPLIFY_ALTERNATIVE): Ditto.
7799 (attr_alt_bit_p): Ditto.
7800 (alternative_name): Make const char *.
7801 (evaluate_eq_attr): Remove use of above things.
7802 (simplify_test_exp): Ditto.
7803 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7804 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7805
7806 2005-08-04 James E Wilson <wilson@specifix.com>
7807
7808 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7809 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7810 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7811 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7812 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7813
7814 2005-08-04 Richard Henderson <rth@redhat.com>
7815
7816 PR 21529
7817 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7818 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7819 * tree-sra.c (decide_block_copy): Use it. Disable element copy
7820 if we'd have to instantiate too many members.
7821
7822 2005-08-04 Richard Henderson <rth@redhat.com>
7823
7824 PR 21291
7825 * tree-outof-ssa.c (coalesce_asm_operands): New.
7826 (coalesce_ssa_name): Use it. Split out ...
7827 (coalesce_phi_operands, coalesce_result_decls): ... these.
7828
7829 2005-08-04 Paul Brook <paul@codesourcery.com>
7830
7831 * read-rtl.c (read_quoted_string): Break if EOF.
7832
7833 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
7834
7835 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7836 (fold_build2): Likewise.
7837 (fold_build3): Likewise.
7838 (fold_build1_stat): New function prototype.
7839 (fold_build2_stat): Likewise.
7840 (fold_build3_stat): Likewise.
7841 * fold-const.c (fold_build1): Rename to ..
7842 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7843 through to build1_stat.
7844 (fold_build2): Rename to ..
7845 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7846 through to build2_stat.
7847 (fold_build3): Rename to ..
7848 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7849 through to build3_stat.
7850
7851 2005-08-04 David Edelsohn <edelsohn@gnu.org>
7852 Ian Lance Taylor <ian@airs.com>
7853
7854 * function.c (assign_stack_local_1): Do not correct stack slot
7855 address if allocation size is smaller than mode size.
7856
7857 2005-08-04 Diego Novillo <dnovillo@redhat.com>
7858
7859 PR 22037
7860 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7861 (tree_merge_blocks): Propagate anything allowed by
7862 may_propagate_copy.
7863 Clarify documentation.
7864 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7865 SSA form, schedule an update if necessary.
7866
7867 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
7868
7869 * doc/install.texi (Binaries): Remove broken link to
7870 Sinix/Reliant Unix binaries.
7871
7872 2005-08-03 Richard Henderson <rth@redhat.com>
7873
7874 PR 23221
7875 * function.c (stack_protect_epilogue): Export.
7876 * tree.h (stack_protect_epilogue): Declare.
7877 * calls.c (expand_call): Call it.
7878
7879 2005-08-03 Eric Christopher <echristo@apple.com>
7880
7881 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7882 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7883 spec.
7884
7885 2005-08-04 Jan Hubicka <jh@suse.cz>
7886
7887 * profile.c (branch_prob): Split edges with goto locus on them
7888 to get proper line counts.
7889 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7890
7891 2005-08-03 Paul Brook <paul@codesourcery.com>
7892
7893 * function.c (assign_parms): Round current_function_args_size
7894 to PARM_BOUNDARY, not STACK_BOUNDARY.
7895
7896 2005-08-03 Geoffrey Keating <geoffk@apple.com>
7897
7898 * config/i386/i386.c (x86_elf_aligned_common)
7899 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7900
7901 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
7902
7903 PR tree-optimization/23157
7904 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7905 before emitting them.
7906
7907 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7908
7909 PR tree-optimization/19899
7910 * Makefile.in (tree-scalar-evolution.o): Add real.h.
7911 * tree-scalar-evolution.c: Include real.h.
7912 (add_to_evolution): Build constant -1 of correct type.
7913
7914 2005-08-03 Jan Hubicka <jh@suse.cz>
7915
7916 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7917 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7918 profile updating for complette unrolling.
7919 * loop-unroll.c (peel_loop_completely): Use it.
7920 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7921 (tree_unroll_loops_completely): Disable code growing unrolling of cold
7922 loops.
7923
7924 2005-08-03 Paul Brook <paul@codesourcery.com>
7925
7926 * combine.c (can_change_dest_mode): New function.
7927 (try_combine, simplify_set): Use it.
7928
7929 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
7930
7931 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7932 TFmode to BLKmode.
7933
7934 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
7935
7936 * doc/install.texi (Specific): Adjust link to openavr.org.
7937 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7938 (Binaries): Adjust HP-UX Porting Center link.
7939 (Binaries): Adjust Free Software Foundation ordering link.
7940
7941 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
7942
7943 * convert.c (convert_to_integer): Use fold_build1 instead of
7944 build1 when converting an integer to an integer.
7945
7946 2005-08-02 Richard Henderson <rth@redhat.com>
7947
7948 * combine.c (combine_instructions): Don't use reg_equal/equiv
7949 results if the mode doesn't match.
7950
7951 2005-08-02 Mark Mitchell <mark@codesourcery.com>
7952
7953 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7954 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7955
7956 2005-08-02 Richard Henderson <rth@redhat.com>
7957
7958 PR 23196
7959 * explow.c (memory_address): Remove special-case for
7960 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7961
7962 2005-08-02 Diego Novillo <dnovillo@redhat.com>
7963
7964 PR 23164
7965 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7966 number of calls to cleanup_tree_cfg_1.
7967
7968 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
7969
7970 * doc/invoke.texi: document file extensions .F90 and .F95
7971
7972 2005-08-02 Richard Guenther <rguenther@suse.de>
7973
7974 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7975 positive if its first argument is positive.
7976
7977 2005-08-02 Richard Guenther <rguenther@suse.de>
7978
7979 PR tree-optimization/23177
7980 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7981 on TMR_TAG.
7982
7983 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
7984
7985 PR tree-optimization/23129
7986 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7987 varying for divisions with anti-ranges.
7988
7989 2005-08-02 Jan Hubicka <jh@suse.cz>
7990
7991 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7992 * tree-ssa-threadupdate.c (thread_block): Add it here.
7993
7994 2005-08-01 James E Wilson <wilson@specifix.com>
7995
7996 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7997 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7998 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7999 New.
8000 * config/mips/predicates.md (const_call_insn_operand): Add check for
8001 SYMBOL_REF_LONG_CALL_P.
8002 * doc/extend.texi (long_call): Document the new attribute.
8003
8004 2005-08-01 Ian Lance Taylor <ian@airs.com>
8005 Richard Henderson <rth@redhat.com>
8006
8007 * Makefile.in (RTL_BASE_H): Add real.h.
8008 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8009 instead of memcpy.
8010 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8011 directly.
8012 * rtl.c (rtl_check_failed_code_mode): New.
8013 * rtl.h (struct rtx_def): Add u.rv.
8014 (XCMWINT, XCNMPRV): New.
8015 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8016 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8017
8018 2005-08-01 Richard Henderson <rth@redhat.com>
8019
8020 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8021 with auto-inc codes.
8022
8023 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8024
8025 2005-08-01 Jan Hubicka <jh@suse.cz>
8026
8027 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8028 * i386.c: Include dwarf2.h
8029 (asm_preferred_eh_data_format): New.
8030 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8031
8032 2005-08-01 Ian Lance Taylor <ian@airs.com>
8033
8034 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8035 randomize_va_space for virtual address randomization control.
8036
8037 2005-08-01 Steven Bosscher <stevenb@suse.de>
8038
8039 * common.opt (flag_ipa_cp): Put in right place to maintain
8040 alphabetic sort.
8041
8042 2005-08-01 Jan Hubicka <jh@suse.cz>
8043
8044 * profile.c (compute_value_histograms): Fix thinko.
8045 * value-prof.c: Include toplev.h
8046 (check_counter): New function.
8047 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8048 tree_mod_subtract_transform): Add sanity check.
8049
8050 2005-08-01 Richard Guenther <rguenther@suse.de>
8051
8052 PR tree-optimization/23133
8053 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8054 current functions parameter decls to find defs to cse
8055 reciprocals of.
8056
8057 2005-08-01 Richard Guenther <rguenther@suse.de>
8058
8059 PR tree-optimization/23109
8060 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8061 If trapping math is in effect, use post-dominator information
8062 to check if we'd in any case reach a trapping point before
8063 doing the reciprocal insertion.
8064 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8065 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8066 expressions are invariant only if trapping math is not in effect.
8067
8068 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8069
8070 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8071 cgraph_function_versioning): New declarations.
8072 * cgraphunit.c: Add include to ipa-prop.h.
8073 (update_call_expr, cgraph_copy_node_for_versioning,
8074 cgraph_function_versioning): New functions.
8075 * integrate.c (copy_decl_for_inlining): Remove.
8076 * ipa-prop.h (ipa_replace_map): New struct.
8077 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8078 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8079 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8080 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8081 ipcp_iterate_stage, ipcp_method_scale_print,
8082 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8083 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8084 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8085 ipcp_update_bb_counts, ipcp_update_profiling,
8086 ipcp_update_edges_counts): New functions.
8087 (ipcp_method_cval_init): Remove restriction regarding local methods.
8088 (ipcp_init_stage): Add ipcp_method_compute_scale.
8089 (ipcp_insert_stage): Add versioning.
8090 (ipcp_structures_print): Add ipcp_method_scale_print.
8091 (ipcp_driver): Dump profiling info.
8092 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8093 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8094 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8095 (struct inline_data): Add versioning_p, ipa_info, new fields.
8096 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8097 declare_return_variable): Replace calls to copy_decl_for_inlining with
8098 copy_decl_for_dup.
8099 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8100 versioning support.
8101 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8102 Add argument VERSIONING.
8103 (copy_arguments_for_versioning, copy_static_chain,
8104 function_versionable_p, tree_versionable_function_p,
8105 tree_function_versioning, replace_ref_tree): New functions.
8106 * tree-inline.h: Include varray.h.
8107 (tree_versionable_function_p, tree_function_versioning,
8108 tree copy_decl_for_dup): New declarations.
8109
8110 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8111
8112 * ipa-cp.c: New file. Contains IPCP specific functionality.
8113 * ipa-prop.h: New file. Contains structures/definitions that can be
8114 used by several interprocedural data flow optimizations (and also IPCP).
8115 * ipa-prop.c: New file.
8116 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8117 * common.opt: Add ipa-cp flag.
8118 * timevar.def: Add IPCP optimization.
8119 * tree-optimize.c (init_tree_optimization_passes): Schedule
8120 pass_ipa_cp.
8121 * tree-pass.h (pass_ipa_cp): Declare.
8122
8123 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8124
8125 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8126 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8127 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8128 config/i386/i386.c, config/mips/mips.h,
8129 config/rs6000/rs6000.h, config/sh/sh.c,
8130 config/stormy16/stormy16.c: Fix comment typos.
8131
8132 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8133
8134 PR c/22311
8135 * c-typeck.c (build_binary_op): Use common_type wrapper on
8136 shortened types.
8137 (common_type): Update comment.
8138
8139 2005-07-31 Steven Bosscher <stevenb@suse.de>
8140
8141 PR target/23095
8142 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8143 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8144 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8145
8146 2005-07-31 Jan Hubicka <jh@suse.cz>
8147
8148 * pretty-print.h (pp_widest_integer): New macro.
8149 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8150 counts.
8151
8152 2005-07-31 Jan Hubicka <jh@suse.cz>
8153
8154 * output.h (enum section_category): Export from varasm.c
8155 (categorize_decl_for_section): Likewise.
8156 * varasm.c (enum section_category): Kill.
8157 (categorize_decl_for_section): Make global.
8158 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8159 Declare.
8160 * i386.c (ix86_section_threshold): New static variable.
8161 (ix86_in_large_data_p, ix86_encode_section_info,
8162 x86_64_elf_unique_section,
8163 x86_64_elf_select_section): New functions.
8164 (TARGET_ENCODE_SECTION_INFO): Define
8165 (override_options): Enable medium model for PIC.
8166 (ix86_expand_prologue): Expand gen_set_got_rex64.
8167 (legitimate_constant_p): Handle new UNSPECs.
8168 (legitimate_pic_address_disp_p): Likewise.
8169 (legitimize_pic_address): Lower MEDIUM model addressing.
8170 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8171 (enum cmodel): Add MEDIUM_PIC.
8172 (SYMBOL_REF_FAR_ADDR_P): New macro.
8173 (SYMBOL_FLAG_FAR_ADDR): New flag.
8174 * i386.md (movdi): Support medium model.
8175 (set_got_rex64): New pattern.
8176 * i386.opt (mlarge-data-threshold): New flag.
8177 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8178 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8179 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8180 TARGET_ASM_UNIQUE_SECTION): New.
8181
8182 * invoke.texi (-mlarge_data_threshold): Document
8183
8184 2005-07-31 Jan Hubicka <jh@suse.cz>
8185
8186 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8187 (coalesce_vars): Likewise.
8188 * tree-ssa-live.c (coalesce_cost): New.
8189 (build_tree_conflict_graph): Use coalesce_cost.
8190 * tree-ssa-live.h (coalesce_cost): Declare.
8191
8192 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8193
8194 * arm.md (all peepholes for post-increment operations): Delete.
8195 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8196 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8197 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8198 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8199 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8200
8201 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8202
8203 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8204 non-integral types.
8205
8206 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8207
8208 PR target/22582
8209 * doc/invoke.texi: Document -rdynamic.
8210
8211 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8212
8213 PR c/23143
8214 * c-parser.c (c_parser_parms_list_declarator): Call
8215 mark_forward_parm_decls.
8216 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8217 decls with visibility structure.
8218
8219 2005-07-30 Paul Brook <paul@codesourcery.com>
8220
8221 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8222
8223 2005-07-30 Paul Brook <paul@codesourcery.com>
8224
8225 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8226 prototype.
8227 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8228 value for mode.
8229 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8230
8231 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8232
8233 PR c/529
8234 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8235 nested function declarators.
8236 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8237 (grokparms): Call warn_if_shadowing for parameters used within the
8238 parameter list.
8239 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8240 not used within the parameter list.
8241 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8242
8243 2005-07-30 Jan Hubicka <jh@suse.cz>
8244
8245 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8246 * i386.c (ix86_fixup_binary_operands): Likewise.
8247 (ix86_expand_unary_operator): Likewise.
8248 (ix86_expand_fp_absneg_operator): Likewise.
8249 * optabs.c (expand_vec_cond_expr): Validate dest.
8250
8251 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8252
8253 PR c/21720
8254 * real.c (real_from_string): Also set last bit if there is a
8255 nonzero hex digit beyond GCC's internal precision after ".".
8256
8257 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8258
8259 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8260 define_constants. Change duplicate values to unassigned numbers.
8261 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8262 (*altivec_vspltsf): New.
8263 (altivec_vperm_v4sf): Delete.
8264 (altivec_vperm_<mode>): Use mode macro V.
8265 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8266 (altivec_predicate_v4sf): Delete.
8267 (altivec_predicate_<mode>): Use mode macro V.
8268 (*altivec_lvesfx): New.
8269 (*altivec_stvesfx): New.
8270 (vec_realign_load_v4sf): Delete.
8271 (vec_realign_load_<mode>): Use mode macro V.
8272 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8273 UNSPECV_SET_VRSAVE.
8274
8275 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8276
8277 PR bootstrap/23131
8278 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8279 string.
8280 * configure: Regenerated.
8281
8282 2005-07-29 Paul Brook <paul@codesourcery.com>
8283
8284 * doc/install.texi: Add link to GFortran binaries wiki page.
8285
8286 2005-07-29 David Ung <davidu@mips.com>
8287
8288 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8289 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8290 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8291 * config/mips/mips.md (cpu): Add 5kf name.
8292 (includes): Includes 5k.md.
8293 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8294 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8295 -march flag.
8296
8297 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8298
8299 PR 22550
8300 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8301 (cleanup_tree_cfg): ... here.
8302 Call cleanup_tree_cfg_1 until there are no more cleanups to
8303 do.
8304
8305 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8306
8307 * tree-vrp.c (compare_range_with_value): Return true or false
8308 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8309 EQ_EXPR respectively.
8310
8311 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8312
8313 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8314 Fix comment typos.
8315
8316 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8317
8318 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8319 (tree_ssa_dominator_optimize): Increment it.
8320 (dump_dominator_optimization_stats): Print it.
8321
8322 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8323 Steven Bosscher <stevenb@suse.de>
8324
8325 PR rtl-optimization/23117
8326 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8327 when head == tail. Tidy comment.
8328
8329 2005-07-28 Richard Henderson <rth@redhat.com>
8330
8331 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8332 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8333 * jump.c (rtx_renumbered_equal_p): Likewise.
8334 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8335 CONST_INT and CONST_DOUBLE.
8336 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8337 * reload.c (operands_match_p): Special case CONST_INT and
8338 CONST_DOUBLE; check mode earlier.
8339
8340 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8341
8342 PR c/22240
8343 * c-typeck.c (convert_for_assignment): Do not check
8344 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8345
8346 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8347
8348 PR c/22192
8349 * c-typeck.c (composite_type): Prefer constant size arrays to
8350 VLAs.
8351
8352 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8353
8354 PR c/21720
8355 * real.c (real_from_string): Set last bit if there is a nonzero
8356 hex digit beyond GCC's internal precision.
8357
8358 2005-07-28 Richard Henderson <rth@redhat.com>
8359
8360 PR rtl-opt/22619
8361 * cfgcleanup.c (try_forward_edges): Watch out for end of
8362 insn chain.
8363
8364 2005-07-28 James E Wilson <wilson@specifixinc.com>
8365
8366 PR c/23106
8367 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8368
8369 2005-07-28 Jan Hubicka <jh@suse.cz>
8370
8371 * Makefile.in (rtl-profile.o): Kill all traces of it.
8372 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8373 * coverage.h (rtl_coverage_counter_ref): Kill.
8374 * opts.c (flag_speculative_prefetching_set): Kill.
8375 (flag_loop_optimize_set): New.
8376 (common_handle_option): Disable loop optimizer when profiling;
8377 do not handle speculative prefetching.
8378 * passes.c (init_optimization_passes): Replace pass_profiling combo
8379 by branch_prob pass.
8380 * profile.c (compute_value_histograms): Update for simplified value
8381 profiles.
8382 (rtl_register_profile_hooks): Kill.
8383 (pass_profiling): Kill.
8384 (rest_of_handle_branch_prob): Do not profile.
8385 * toplev.c (process_options): Remove speculative prefetching.
8386 * toplev.h (flag_tree_based_profiling): Kill.
8387 * tree-profile.c (prepare_instrumented_value,
8388 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8389 tree_gen_one_value_profiler, do_tree_profiling): Update for
8390 simplified datastructures.
8391 * value-prof.c: Add comment that speculative prefetching was dropped;
8392 update rest of file for simplified datastructures.
8393 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8394 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8395 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8396 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8397 rtl_mod_subtract, gen_speculative_prefetch,
8398 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8399 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8400 (gate_handle_value_profile_transformations,
8401 rest_of_handle_value_profile_transformations,
8402 pass_value_profile_transformations): Kill.
8403 * value-prof.h (histogram_value_t): Remove IL based unions.
8404 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8405 rtl_profile_hooks): Remove hooks.
8406
8407 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8408
8409 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8410 (cgraph_clone_node): Likewise.
8411 * cgraph.h (cgraph_clone_edge): Update prototype.
8412 (cgraph_clone_node): Likewise.
8413 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8414 cgraph_clone_node.
8415 (lookup_recursive_calls): Consider profile.
8416 (cgraph_decide_recursive_inlining): Fix updating; use new
8417 probability argument; use profile.
8418 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8419 * tree-inline.c (copy_bb): Update clal of clone_edge.
8420 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8421
8422 * invoke.texi (min-inline-recursive-probability): Document.
8423
8424 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
8425
8426 * doc/install.texi (Configuration): Update Valgrind homepage.
8427
8428 2005-07-28 Richard Henderson <rth@redhat.com>
8429
8430 PR middle-end/21362
8431 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8432 labels we want to delete.
8433 (cfg_layout_merge_blocks): Likewise.
8434
8435 2005-07-28 Richard Henderson <rth@redhat.com>
8436
8437 PR target/17692
8438 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8439 when expanding to nothing.
8440
8441 2005-07-28 Josh Conner <jconner@apple.com>
8442
8443 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8444 (cgraph_decide_inlining_of_small_functions): Likewise.
8445
8446 2005-07-28 Josh Conner <jconner@apple.com>
8447
8448 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
8449 direction of badness if negative.
8450 (cgraph_default_inline_p): Add reason to parameters, and assign it
8451 a value.
8452 (cgraph_decide_inlining_of_small_functions): New parameter in call
8453 to cgraph_default_inline_p.
8454 (cgraph_decide_inlining_incrementally): Likewise.
8455 * cgraphunit.c (decide_is_function_needed): Likewise.
8456 * cgraph.h (cgraph_default_inline_p): Likewise.
8457
8458 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8459
8460 * builtins.c: Fix comment typo(s).
8461 * genautomata.c: Likewise.
8462 * gimplify.c: Likewise.
8463 * tree-dfa.c: Likewise.
8464 * tree-flow-inline.h: Likewise.
8465 * tree-into-ssa.c: Likewise.
8466 * tree-ssa-alias.c: Likewise.
8467 * tree-ssa-ccp.c: Likewise.
8468 * tree-ssa-copy.c: Likewise.
8469 * tree-ssa-dce.c: Likewise.
8470 * tree-ssa-dom.c: Likewise.
8471 * tree-ssa-operands.c: Likewise.
8472 * tree-tailcall.c: Likewise.
8473 * tree-vectorizer.c: Likewise.
8474 * tree-vrp.c: Likewise.
8475 * tree.c: Likewise.
8476
8477 2005-07-28 Jeff Law <law@redhat.com>
8478
8479 * tree-vrp.c (test_for_singularity): Extracted from ...
8480 (simplify_cond_using_ranges): Attempt to simplify a relational
8481 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
8482
8483 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
8484
8485 PR tree-optimization/22506
8486 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8487 phis whose argument is constant.
8488
8489 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
8490
8491 PR rtl-optimization/18992
8492 Back out this patch:
8493 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8494 PR optimization/12142
8495 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8496 uses of the register in the SET_SRC. Remove unnecessary argument.
8497
8498 Replace it with this:
8499 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8500 if flag_non_call_exceptions is set and the insn may trap, pass
8501 pc_rtx as dest for recursion.
8502 In SET_SRC part of SET case, if dest is already set, pass it down
8503 unchanged.
8504
8505 2005-07-28 Jan Hubicka <jh@suse.cz>
8506
8507 * cfg.c (update_bb_profile_for_threading): Use RDIV.
8508 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8509 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8510 roundoff errors.
8511 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8512 profile when available.
8513
8514 2005-07-28 Jan Beulich <jbeulich@novell.com>
8515
8516 * config/ia64/ia64.c (ia64_load_pair_ok): New.
8517 (ia64_print_operand): Describe and handle 'X'.
8518 (ia64_register_move_cost): Also handle FP_REGS.
8519 (ia64_preferred_reload_class): Likewise.
8520 (ia64_secondary_reload_class): Likewise.
8521 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8522 it. Also check for ITANIUM_CLASS_FLDP.
8523 * config/ia64/ia64.h (FP_REGNO_P): New.
8524 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8525 (reg_class): Add FP_REGS.
8526 (REG_CLASS_NAMES): Adjust for it.
8527 (REG_CLASS_CONTENTS): Likewise.
8528 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8529 (REG_CLASS_FROM_LETTER): Handle 'x'.
8530 (CLASS_MAX_NREGS): Handle FP_REGS.
8531 (MEMORY_MOVE_COST): Likewise.
8532 * config/ia64/ia64.md (itanium_class): Add fldp.
8533 (type): Handle fldp.
8534 (movti_internal): More allowable operand combinations. Use ldfp8 when
8535 splitting unnecessary. Remove predicable attribute. Adjust
8536 itanium_class attribute.
8537 (smuldi3_highpart): Remove outdated comment.
8538 (mulditi3, umulditi3, rotlti3): New expanders.
8539 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8540 (absti2): Disabled new insn for future reference.
8541 Respective new splitters.
8542 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8543 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8544 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8545
8546 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
8547
8548 PR rtl-optimization/23047
8549 * simplify-rtx.c (simplify_const_relational_operation): Respect
8550 flag_wrapv for comparisons with ABS.
8551
8552 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
8553
8554 PR tree-optimization/22493
8555 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8556 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8557
8558 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
8559
8560 * config/frv/frv.opt (moptimize-membar): New.
8561
8562 * doc/invoke.texi: Document -moptimize-membar and its inverse.
8563
8564 * config/frv/frv.h: Remove machine_function definition.
8565
8566 * config/frv/frv.c (struct frv_io): New.
8567 (struct machine_function): Moved from frv.h. Add has_membar_p.
8568 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8569 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8570 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8571 (frv_optimize_membar_global, frv_optimize_membar): New functions.
8572 (frv_reorg): Call frv_optimize_membar when appropriate.
8573 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8574 (frv_expand_builtin): Adjust calls accordingly.
8575 (frv_io_address_cookie): New function.
8576 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8577 load or store rather than a special insn. Add ccnstant address and
8578 io-type operands to the membar.
8579 (frv_ifcvt_modify_tests): Unsign regno.
8580 (frv_ifcvt_modify_tests): Same.
8581
8582 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
8583 UNSPEC_OPTIONAL_MEMBAR constant.
8584 (builtin_read_<mode>): Delete.
8585 (builtin_write_<mode>): Delete.
8586 ("optional_membar_<mode>"): Add operand.
8587
8588 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8589 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8590 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8591 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8592 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8593 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8594 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8595 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8596 * testsuite/gcc.target/frv/all-read-write-1.c: New.
8597
8598 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
8599
8600 * df.c (df_uses_record): Handle SCRATCH.
8601
8602 2005-07-28 Steven Bosscher <stevenb@suse.de>
8603
8604 PR debug/20161
8605 * passes.c (rest_of_decl_compilation): If decl is a type and
8606 we have encountered errors, don't emit debug information.
8607
8608 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8609
8610 * params.def: Fixed comment.
8611
8612 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
8613
8614 PR target/19885
8615 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8616 (TARGET_ASM_UNALIGNED_HI_OP): Add.
8617 (TARGET_ASM_UNALIGNED_SI_OP): Add.
8618
8619 2005-07-27 Steven Bosscher <stevenb@suse.de>
8620
8621 PR c++/22003
8622 * varasm.c (assemble_start_function): Don't do anything that may
8623 require a CFG if the current function is a thunk.
8624
8625 2005-07-25 Geoffrey Keating <geoffk@apple.com>
8626
8627 * doc/install.texi (Prerequisites): Mention that perl is needed
8628 to do export control in libstdc++ targetting Darwin.
8629
8630 2005-07-27 Steven Bosscher <stevenb@suse.de>
8631
8632 PR rtl-optimization/17808
8633 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8634 (sched_insns_conditions_mutex_p): Split out from...
8635 (add_dependence): ...here. But don't call it from here.
8636 (add_dependence_list): Check sched_insns_conditions_mutex_p
8637 before calling add_dependence.
8638 (add_dependence_list_and_free): Likewise.
8639 (fixup_sched_groups): Likewise.
8640 (sched_analyze_1): Likewise.
8641 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8642 (sched_analyze): Likewise.
8643 (sched_analyze_insn): Likewise.
8644 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8645 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
8646 dependencies on all COND_EXEC insns to jumps ending basic blocks
8647 when doing intrablock scheduling.
8648 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8649
8650 2005-07-27 Jeff Law <law@redhat.com>
8651
8652 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8653 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
8654 equivalency sets, correctly handle the case were vr0 has an
8655 equivalency set, but vr1 does not.
8656
8657 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
8658
8659 PR tree-optimization/23073
8660 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8661 vect_print_dump_info before fprintf.
8662
8663 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8664
8665 PR tree-optimize/22348
8666 * tree-ssa-loop-niter.c (number_of_iterations_cond):
8667 Fold the partial computation.
8668
8669 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8670
8671 PR tree-optimization/22325
8672 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8673 Declare.
8674 * tree-scalar-evolution.c (scev_const_prop): Add generic final
8675 value replacement.
8676 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8677 (force_var_cost): ... this function.
8678 (compute_phi_arg_on_exit): Export.
8679
8680 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8681
8682 PR tree-optimization/20773
8683 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8684 edge.
8685
8686 2005-07-27 Richard Guenther <rguenther@suse.de>
8687
8688 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8689 Avoid pushing again if current struct contains only
8690 fields we decomposed.
8691
8692 2005-07-27 Jan Hubicka <jh@suse.cz>
8693
8694 PR tree-optimization/22574
8695 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8696 not available.
8697
8698 * tree-tailcall.c (decrease_profile): New function.
8699 (eliminate_tail_call): Use it.
8700
8701 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8702 visibility flags correctly in whole program mode.
8703
8704 2005-07-26 Steve Ellcey <sje@cup.hp.com>
8705
8706 PR rtl-optimization/22472
8707 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8708
8709 2005-07-26 Steven Bosscher <stevenb@suse.de>
8710
8711 PR tree-optimization/22504
8712 * tree-complex.c (expand_complex_addition): Use 'code' instead
8713 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8714
8715 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8716
8717 * config.gcc (cpu_type): Add frv case.
8718 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8719 (supported_defaults): Add fr550 case.
8720
8721 2005-07-26 Diego Novillo <dnovillo@redhat.com>
8722
8723 PR 22591
8724 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8725 whether a pointer of type T * may point to objects of type T *.
8726
8727 2005-07-26 DJ Delorie <dj@redhat.com>
8728
8729 * configure: Regenerate.
8730
8731 2005-07-26 Dale Johannesen <dalej@apple.com>
8732
8733 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
8734
8735 2005-07-26 Mark Mitchell <mark@codesourcery.com>
8736
8737 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8738 Clarify use of "build" in name.
8739
8740 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8741
8742 * doc/extend.texi (Raw read/write Functions): New section.
8743 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8744 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8745 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8746 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8747 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8748 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8749 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8750 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8751 * config/frv/frv.c: Add bdesc_loads global.
8752 Add bdesc_stores global.
8753 (frv_init_builtins): Add support for __builtin_{read/write}*.
8754 (frv_volatile_memref): New.
8755 (frv_expand_load_builtin): New.
8756 (frv_expand_store_builtin): New.
8757 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8758 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8759 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8760 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8761 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8762 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8763 (builtin_read_<mode>): New.
8764 (builtin_write_<mode>): New.
8765 (builtin_write64): New.
8766 (optional_membar_<mode>): New.
8767
8768 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
8769
8770 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8771 (rather than units) against HOST_BITS_PER_WIDE_INT.
8772
8773 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
8774
8775 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8776 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8777 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8778 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8779 FSF address.
8780
8781 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8782 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8783 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8784 comment typos.
8785 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8786
8787 2005-07-26 Richard Guenther <rguenther@suse.de>
8788
8789 PR tree-optimization/22486
8790 * fold-const.c (fold_unary): Fold away useless component
8791 references of the form (T *)&T.x, if the address
8792 doesn't change.
8793
8794 2005-07-25 James E Wilson <wilson@specifixinc.com>
8795
8796 * dwarf2out.c (add_call_src_coords_attributes): New.
8797 (gen_inlined_subroutine_die): Call it.
8798 (maybe_emit_file, init_file_table): Add comments.
8799 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8800 maybe_emit_file.
8801 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8802 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8803 * tree.h (BLOCK_SOURCE_LOCATION): New.
8804 (struct tree_block): New field locus.
8805
8806 2005-07-26 Andreas Schwab <schwab@suse.de>
8807
8808 PR rtl-optimization/23043
8809 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8810 when allocating a struct unoccr.
8811
8812 2005-07-25 Richard Henderson <rth@redhat.com>
8813
8814 PR 22626
8815 * tree-complex.c (gate_no_optimization): True if errors.
8816 * Makefile.in (tree-complex.o): Update dependencies.
8817
8818 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
8819
8820 * config/frv/predicates.md (integer_register_operand): Use
8821 GPR_AP_OR_PSEUDO_P.
8822
8823 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8824
8825 PR tree-opt/22484
8826 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8827 after fold.
8828 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8829
8830 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8831
8832 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8833 types when flag_unsafe_math_optimizations is true.
8834
8835 2005-07-25 Mark Mitchell <mark@codesourcery.com>
8836
8837 * gcc.c (option_map): Add --sysroot.
8838 (process_command): Handle --sysroot.
8839 (display_help): Document it.
8840 * doc/cppopts.tex (-isysroot): Document.
8841 * doc/invoke.texi (--sysroot): Document.
8842 * doc/install.texi (--with-build-sysroot): Document.
8843
8844 * Makefile.in (inhibit_libc): New variable.
8845 (INHIBIT_LIBC_CFLAGS): Likewise.
8846 (LIBGCC2_CFLAGS): Include
8847 $(INHIBIT_LIBC_CFLAGS).
8848 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8849 ($(T)crtbegin.o): Do not use @inhibit_libc@.
8850 ($(T)crtend.o): Likewise.
8851 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8852 ($(T)crtendS.o): Likewise.
8853 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8854 ($(T)crtendT.o): Likewise.
8855 (stmp-fixinc): Do not complain about missing headers if
8856 inhibit_libc.
8857 * configure.ac (inhibit_libc): Set it to true/false.
8858 (--with-build-sysroot): New option. Use it to set
8859 SYSTEM_HEADER_DIR.
8860 * configure: Regenerated.
8861
8862 2005-07-25 Manfred Hollstein <mh@suse.com>
8863
8864 * calls.c (store_one_arg): Fix unsigned comparison warning.
8865
8866 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
8867
8868 PR other/22337
8869 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8870 (ggc_print_statistics): Initialize variable before use.
8871
8872 2005-07-25 Richard Guenther <rguenther@suse.de>
8873
8874 * tree-dfa.c (mark_new_vars_to_rename): Protect against
8875 calling with a PHI_NODE argument.
8876
8877 * tree-flow-inline.h (overlap_subvar): Protect against
8878 possible overflow.
8879
8880 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
8881
8882 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8883 * configure: Regenerate.
8884
8885 2005-07-25 Ira Rosen <irar@il.ibm.com>
8886
8887 * expr.c (highest_pow2_factor): Make extern.
8888 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8889 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8890 record_array_differ_p, array_ptr_differ_p): Likewise.
8891 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8892 additional cases. Call the above functions.
8893 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8894 base_object_differ_p when there are two base objects. Otherwise, compare
8895 base address and offset. Call may_alias_p.
8896 (dump_data_reference): Use a correct field name.
8897 (analyze_array): Make static. Initialize new data-ref fields.
8898 (analyze_indirect_ref): New function.
8899 (init_data_ref): Initialize new data-ref fields.
8900 (strip_conversion): Moved from tree-vect-analyze.c.
8901 (analyze_offset_expr, get_ptr_offset, address_analysis,
8902 object_analysis): Likewise.
8903 (analyze_offset): New function.
8904 (create_data_ref): Likewise.
8905 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8906 dimensions for ARRAY_REFs only.
8907 (build_classic_dist_vector): Make static.
8908 (access_functions_are_affine_or_constant_p): Call macro to get the
8909 address of access functions.
8910 (compute_all_dependences): Add new parameter
8911 compute_self_and_read_read_dependences. Compute self and read-read
8912 dependences if it is true.
8913 (find_data_references_in_loop): Call create_data_ref. Initialize new
8914 data-ref fields.
8915 (compute_data_dependences_for_loop): Add new parameter
8916 compute_self_and_read_read_dependences. Remove parameter nb_loops,
8917 compute nb_loops. Call compute_all_dependences,
8918 build_classic_dist_vector and build_classic_dir_vector with correct
8919 parameters.
8920 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8921 with correct parameters. Compare dimensions for ARRAY_REFs only.
8922 (free_data_refs): Call macro to free access functions.
8923 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8924 fields from stmt_vinfo.
8925 (struct base_object_info): New structure.
8926 (struct data_reference): Move fields to base_object_info. Add fields
8927 first_location and object_info for above structures. Move fields from
8928 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8929 aligned_to. Add macros to access the new fields.
8930 Update functions declarations.
8931 * tree-flow.h (is_aliased_with): Declare.
8932 * tree-loop-linear.c (linear_transform_loops): Call
8933 compute_data_dependences_for_loop with correct parameters.
8934 * tree-ssa-alias.c (is_aliased_with): New function.
8935 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8936 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8937 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8938 vect_base_addr_differ_p, compute_subscript_distance and
8939 build_classic_dist_vector. Add printings. Check absolute value of
8940 distance.
8941 (vect_analyze_data_ref_dependences): Go through ddrs instead of
8942 data-refs.
8943 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8944 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8945 to bytes. Add printing.
8946 (vect_compute_data_refs_alignment): Go through loads and stores in one
8947 loop.
8948 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8949 vect_analyze_data_ref_access): Likewise.
8950 (vect_analyze_pointer_ref_access): Remove.
8951 (vect_address_analysis, vect_object_analysis): Likewise.
8952 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8953 and analyze data-refs in the loop.
8954 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8955 fields of data-ref instead of stmt. Add init to the offset from the
8956 base.
8957 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8958 (vect_update_init_of_dr): Likewise.
8959 (vect_update_inits_of_drs): Go through loads and stores in one loop.
8960 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8961 removed fields.
8962 (new_loop_vec_info): Initialize new fields.
8963 (destroy_loop_vec_info): Free new fields.
8964 (vect_strip_conversion): Remove.
8965 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8966 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8967 datarefs. Add new field ddrs.
8968 Add macros for the new fields access.
8969 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8970 base_aligned_p, misalignment, memtag, ptr_info and subvars.
8971 Remove their macros.
8972 * tree.h (highest_pow2_factor): Declare.
8973
8974 2005-07-25 Jakub Jelinek <jakub@redhat.com>
8975
8976 * calls.c (store_one_arg): Check for sibling call MEM arguments
8977 from already clobbered incoming argument area.
8978
8979 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8980
8981 * c-common.c (check_missing_format_attribute): New.
8982 * c-common.h (check_missing_format_attribute): Likewise.
8983 * c-typeck.c (convert_for_assignment): Use it.
8984
8985 2005-07-24 Andreas Schwab <schwab@suse.de>
8986
8987 * config/m68k/m68k.md ("extendqidi2"): When source is an address
8988 register use a word move. Correct operand of ext.w in 68000 code.
8989
8990 2005-07-23 Mark Mitchell <mark@codesourcery.com>
8991
8992 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8993 variables as declarations, rather than definitions.
8994
8995 2005-07-24 Ira Rosen <irar@il.ibm.com>
8996
8997 PR tree-optimization/22526
8998 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8999 of the zero node.
9000
9001 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9002
9003 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9004 that C99 reserve for future use. Use it to define clog10,
9005 clog10f and clog10l.
9006
9007 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9008
9009 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9010 * configure.ac: Check for -Wmissing-format-attribute.
9011
9012 * configure: Regenerate.
9013
9014 2005-07-23 Richard Henderson <rth@redhat.com>
9015
9016 PR tree-optimization/22623
9017 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9018
9019 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9020
9021 PR target/22577
9022 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9023
9024 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9025
9026 * Makefile.in (C_TREE_H): Update dependencies.
9027 * c-tree.h: Include toplev.h.
9028 * diagnostic.h (diagnostic_set_info): Add format attribute.
9029 * rtl-error.c (diagnostic_for_asm): Likewise.
9030
9031 2005-07-23 Chao-ying Fu <fu@mips.com>
9032
9033 * config/mips/mips-dsp.md: New file.
9034 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9035 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9036 functions.
9037 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9038 MIPS_BUILTIN_BPOSGE32.
9039 (mips_expand_builtin_direct): Add one parameter to indicate that
9040 builtin functions need to return a value.
9041 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9042 functions.
9043 (mips_regno_to_class): Add classes for 12 new DSP registers.
9044 (mips_subword): Change to check four HI registers.
9045 (mips_output_move): Output move to and from 6 new DSP accumulators.
9046 (override_options): Make sure -mdsp and -mips16 are not used together.
9047 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9048 for machine modes.
9049 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9050 when !TARGET_DSP.
9051 (print_operand): Add 'q' for printing DSP accumulators.
9052 (mips_cannot_change_mode_class): Check ACC_REGS.
9053 (mips_secondary_reload_class): Check ACC_REGS.
9054 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9055 (mips_register_move_cost): Check ACC_REGS.
9056 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9057 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9058 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9059 (dsp_bdesc): New array.
9060 (bdesc_arrays): Add DSP builtin function table.
9061 (mips_prepare_builtin_arg): Check predicate again after
9062 copy_to_mode_reg.
9063 (mips_expand_builtin): Add one more parameter to
9064 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9065 MIPS_BUILTIN_BPOSGE32.
9066 (mips_init_builtins): Initialize new function types.
9067 (mips_expand_builtin_direct): Check if builtin functions need to
9068 return a value and pass operands properly.
9069 (mips_expand_builtin_bposge): New function.
9070 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9071 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9072 (FIRST_PSEUDO_REGISTER): Increase to 188.
9073 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9074 Update for 12 new DSP registers.
9075 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9076 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9077 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9078 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9079 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9080 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9081 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9082 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9083 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9084 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9085 (REGISTER_NAMES): Add names for 12 new DSP registers.
9086 * config/mips/mips.md: Include mips-dsp.md.
9087 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9088 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9089 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9090 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9091 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9092 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9093 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9094 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9095 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9096 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9097 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9098 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9099 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9100 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9101 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9102 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9103 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9104 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9105 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9106 (UNSPEC_RDDSP): New constants.
9107 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9108 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9109 A<-d alternative.
9110 * config/mips/mips.opt (-mdsp): New option.
9111 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9112 (reg_imm10_operand): New predicates.
9113 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9114 * doc/invoke.texi (-mdsp): Document new option.
9115
9116 2005-07-22 DJ Delorie <dj@redhat.com>
9117
9118 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9119 to warning calls.
9120 * tree-inline.c (inlinable_function_p): Likewise.
9121
9122 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9123
9124 PR debug/21828
9125 * toplev.c (check_global_declarations): Do not mark undefined
9126 variables as DECL_IGNORED_P.
9127 * varasm.c (first_global_object_name): GTY it.
9128 (weak_global_object_name): Likewise.
9129 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9130 a string to go into {weak,first}_global_object_name.
9131
9132 2005-07-22 DJ Delorie <dj@redhat.com>
9133
9134 * c-format.c (check_function_format): Change warning control
9135 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9136
9137 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9138
9139 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9140 &PTR->FLD a dereference of PTR.
9141 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9142 a potential dereference of PTR.
9143
9144 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9145
9146 PR rtl-optimization/20370
9147 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9148 call allocate_reg_info if necessary.
9149
9150 PR rtl-optimization/21848
9151 * calls.c (emit_library_call_value_1): For const functions, add
9152 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9153
9154 PR rtl-optimization/22445
9155 * cselib.c (target.h): Include.
9156 (rtx_equal_for_cselib_p): Allow commutative matches.
9157 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9158 Remove MODE parameter. Changed all callers.
9159
9160 PR rtl-optimization/22258
9161 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9162 New functions.
9163 (try_combine): Use likely_spilled_retval_p.
9164
9165 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9166
9167 * config.gcc: Add crx-elf support.
9168
9169 * doc/contrib.texi: Mention crx.
9170 * doc/extend.texi: Document crx extensions.
9171 * doc/install.texi: Document crx install.
9172 * doc/invoke.texi: Document crx options.
9173 * doc/md.texi: Document crx constraints.
9174
9175 * config/crx/crx-protos.h: New file.
9176 * config/crx/crx.c: New file.
9177 * config/crx/crx.h: New file.
9178 * config/crx/crx.md: New file.
9179 * config/crx/crx.opt: New file.
9180 * config/crx/t-crx: New file.
9181
9182 2005-07-22 Manfred Hollstein <mh@suse.com>
9183
9184 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9185 warnings.
9186 (int_add_graph_edge): Likewise.
9187 (collapse_nodes): Likewise.
9188 (process_unification_queue): Likewise.
9189
9190 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9191 Laurent GUERBY <laurent@guerby.net>
9192
9193 PR tree-optimization/22336
9194 * function.c (record_block_change): Check for
9195 cfun->ib_boundaries_block.
9196
9197 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9198
9199 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9200 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9201
9202 2005-07-21 DJ Delorie <dj@redhat.com>
9203
9204 * toplev.c (warn_deprecated_use): Add warning control to warning
9205 call.
9206 * c-typeck.c (parser_build_binary_op): Likewise.
9207 (c_finish_if_stmt): Likewise.
9208 * c-common.c (check_function_sentinel): Likewise.
9209 (check_nonnull_arg): Likewise.
9210
9211 2005-07-21 Richard Henderson <rth@redhat.com>
9212
9213 PR tree-opt/22504
9214 * tree-complex.c (complex_ssa_name_components): New.
9215 (cvc_lookup): Allow entry not found.
9216 (create_components): Remove.
9217 (create_one_component_var, get_component_var): New.
9218 (get_component_ssa_name, set_component_ssa_name): New.
9219 (extract_component): Use get_component_ssa_name.
9220 (update_complex_components): Use set_component_ssa_name.
9221 (update_complex_components_on_edge): Likewise.
9222 (update_phi_components): Create new PHI nodes directly, instead
9223 of adding insns to edges.
9224 (tree_lower_complex): Allocate and free complex_variable_components
9225 and complex_ssa_name_components here.
9226
9227 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9228
9229 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9230 revert to returning false.
9231
9232 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9233
9234 PR target/21149
9235 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9236
9237 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9238
9239 PR target/22576
9240 * config/i386/i386.md (cmpxf): Change operand constraints
9241 to "nonmemory_operand".
9242
9243 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9244
9245 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9246
9247 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9248
9249 PR middle-end/21180
9250 * fold-const.c (fold_build1): Add checksum for the operands.
9251 (fold_build2): Likewise.
9252 (fold_build3): Likewise.
9253
9254 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9255
9256 PR middle-end/19055
9257 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9258
9259 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9260
9261 * common.opt (-fforward-propagate): Committed by mistake,
9262 removed.
9263
9264 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9265
9266 * reg-stack.c: Fix comment typo(s).
9267 * tree-ssa-operands.c: Likewise.
9268 * tree-vectorizer: Likewise.
9269
9270 2005-07-21 Nick Clifton <nickc@redhat.com>
9271
9272 * config/sh/symbian.c: Replace C++ style line comments with C
9273 style line comments.
9274 (symbian_add_attribute): Do not use a ? operator on the LHS of
9275 an assignment.
9276 (sh_symbian_handle_dll_attribute): Change the type of the
9277 method vector to "VEC(tree,gc)*" and use vector accessor
9278 macros to walk over the elements.
9279 (symbian_export_vtable_and_rtti_p): Likewise.
9280 (symbian_class_needs_attribute_p): Likewise.
9281
9282 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9283
9284 PR target/22085
9285 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9286 initialize targetm.resolve_overloaded_builtin here.
9287 (altivec_expand_overloaded_builtin): Make it non-static.
9288 * config/rs6000/rs6000-protos.h
9289 (altivec_expand_overloaded_builtin): New prototype.
9290 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9291 targetm.resolve_overloaded_builtin here.
9292 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9293
9294 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9295 Zdenek Dvorak <dvorakz@suse.cz>
9296
9297 PR tree-optimization/19210
9298 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9299 New.
9300 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9301 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9302 rely on unproven assumptions.
9303 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9304 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9305 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9306 to number_of_iterations_exit.
9307 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9308 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9309 * tree-ssa-loop-niter.c (find_loop_niter,
9310 estimate_numbers_of_iterations_loop): Likewise.
9311 (number_of_iterations_exit): Honor the new options.
9312 * doc/invoke.texi (Wunsafe-loop-optimizations,
9313 funsafe-loop-optimizations): Document them.
9314
9315 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9316
9317 PR rtl-optimization/22167
9318 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9319
9320 2005-07-20 Adam Nemet <anemet@lnxw.com>
9321
9322 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9323 __do_global_dtors_aux longcall.
9324
9325 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9326
9327 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9328 (old_special_pred_table): Don't reference
9329 SPECIAL_MODE_PREDICATES.
9330 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9331 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9332 * config/sh/predicates.h: Don't mention
9333 SPECIAL_MODE_PREDICATES.
9334 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9335 Remove.
9336
9337 2005-07-20 DJ Delorie <dj@redhat.com>
9338
9339 * config.gcc: Add m32c-elf support.
9340
9341 * doc/contrib.texi: Mention m32c.
9342 * doc/extend.texi: Document m32c extensions.
9343 * doc/install.texi: Mention m32c.
9344 * doc/invoke.texi: Document m32c options.
9345 * doc/md.texi: Document m32c constraints.
9346
9347 * config/m32c/addsub.md: New file.
9348 * config/m32c/bitops.md: New file.
9349 * config/m32c/cond.md: New file.
9350 * config/m32c/jump.md: New file.
9351 * config/m32c/m32c-lib1.S: New file.
9352 * config/m32c/m32c-lib2.c: New file.
9353 * config/m32c/m32c-modes.def: New file.
9354 * config/m32c/m32c-pragma.c: New file.
9355 * config/m32c/m32c-protos.h: New file.
9356 * config/m32c/m32c.abi: New file.
9357 * config/m32c/m32c.c: New file.
9358 * config/m32c/m32c.h: New file.
9359 * config/m32c/m32c.md: New file.
9360 * config/m32c/m32c.opt: New file.
9361 * config/m32c/minmax.md: New file.
9362 * config/m32c/mov.md: New file.
9363 * config/m32c/muldiv.md: New file.
9364 * config/m32c/predicates.md: New file.
9365 * config/m32c/prologue.md: New file.
9366 * config/m32c/shift.md: New file.
9367 * config/m32c/t-m32c: New file.
9368
9369 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9370
9371 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9372 (stack_protect_set, stack_protect_test): New expanders.
9373 (stack_protect_set_si, stack_protect_set_si_media,
9374 stack_protect_set_di_media, stack_protect_test_si,
9375 stack_protect_test_si_media, stack_protect_test_di_media):
9376 New insns.
9377
9378 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9379
9380 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9381
9382 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9383
9384 * tree.h (tree_expr_nonzero_p): Export.
9385 * fold-const.c (tree_expr_nonzero_p): Likewise.
9386 Return true for CALL_EXPRs that are alloca calls.
9387 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9388 against zero.
9389 * tree-flow.h (expr_computes_nonzero): Remove.
9390 * tree-vrp.c (expr_computes_nonzero): Remove.
9391 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9392 (extract_range_from_unary_expr): Likewise.
9393 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9394 tree_expr_nonzero_p.
9395
9396 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9397
9398 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9399 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9400 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9401 All callers changed.
9402 (frame_related_constant_load): New arg "related" which controls
9403 setting of RTX_FRAME_RELATED_P. All callers changed.
9404 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9405 (bfin_expand_prologue): Add stack limit checking.
9406 * config/bfin/bfin.md (trapifcc): New pattern.
9407
9408 * config/bfin/bfin.c: Include "langhooks.h".
9409 (def_builtin): Go through lang_hooks to call builtin_function.
9410
9411 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9412 * config/bfin/predicates.md (symbol_ref_operand): New.
9413 (call_insn_operand): Delete. All callers changed to use
9414 register_no_elim_operand.
9415 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9416 call_cookie field.
9417 (function_arg): Use it to generate the call's operand 2.
9418 (bfin_longcall_p): New function.
9419 (bfin_expand_call): Extra arg "cookie". All callers and declaration
9420 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
9421 determine if the address needs to be in a REG.
9422 (bfin_handle_longcall_attribute): New function.
9423 (bfin_attribute_table): Add "longcall" and "shortcall".
9424 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9425 (CUMULATIVE_ARGS): New member call_cookie.
9426 (PREDICATE_CODES): Add symbol_ref_operand.
9427 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9428 extra USE to the pattern.
9429 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9430 New patterns, split off call_insn, sibcall_insn, call_value_insn and
9431 sibcall_value_insn; now the new patterns handle direct calls and the
9432 old ones indirect calls.
9433 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9434
9435 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
9436
9437 * doc/trouble.texi: Update section on handling of empty loops.
9438
9439 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
9440
9441 * config.gcc: Remove support for sparc-*-openbsd*,
9442 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9443 ns32k-*-netbsd*.
9444 * config.host: Remove support for i860-*-sysv4* as a host.
9445 * config/i860/*, config/ip2k/*, config/ns32k/*,
9446 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9447 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9448 mention obsolete ports.
9449
9450 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9451
9452 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9453 soft frame pointer.
9454 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9455 of frame_pointer_rtx.
9456 (sh_expand_epilogue): Likewise.
9457 (sh_set_return_address): Likewise.
9458 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9459 instead of FRAME_POINTER_REGNUM if needed. Add elimination
9460 offsets from FRAME_POINTER_REGNUM.
9461 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9462 (sh_register_names): Add initializer for sfp.
9463 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9464 (VALID_REGISTER_P): Likewise.
9465 (FIRST_PSEUDO_REGISTER): Update.
9466 (DWARF_FRAME_REGISTERS): Define.
9467 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9468 (HARD_FRAME_POINTER_REGNUM): Define.
9469 (FRAME_POINTER_REGNUM): Redefine.
9470 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9471 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
9472 from FRAME_POINTER_REGNUM.
9473 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9474 FRAME_POINTER_REGNUM.
9475 (REG_CLASS_CONTENTS): Add sfp.
9476 (REG_ALLOC_ORDER): Likewise.
9477 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
9478 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9479 of frame_pointer_rtx.
9480 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9481
9482 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
9483
9484 * fold-const.c (tree_expr_nonnegative_p): Only return true for
9485 ABS_EXPR when flag_wrapv is false because of INT_MIN.
9486 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9487 of an ABS_EXPR.
9488 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9489 ABS_EXPR<x>.
9490
9491 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
9492
9493 Make CONSTRUCTOR use VEC to store initializers.
9494 * c-common.c (complete_array_type): Update to cope with VEC in
9495 CONSTRUCTOR_ELTS.
9496 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9497 (pp_c_constructor_elts): New function.
9498 * c-pretty-print.h (pp_c_constructor_elts): Declare.
9499 * c-typeck.c (build_function_call, build_c_cast, digest_init,
9500 struct constructor_stack, struct initializer_stack,
9501 constructor_elements, push_init_level, pop_init_level,
9502 add_pending_init, find_init_member, output_init_element): Update to
9503 cope with VEC in CONSTRUCTOR_ELTS.
9504 * coverage.c (build_fn_info_value, build_ctr_info_value,
9505 build_gcov_info): Likewise.
9506 * expr.c (categorize_ctor_elements_1, store_constructor,
9507 expand_expr_real_1): Likewise.
9508 * fold-const.c (fold_ternary): Likewise.
9509 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9510 gimplify_init_constructor, gimplify_expr): Likewise.
9511 * tree-dump.c (dequeue_and_dump): Likewise.
9512 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9513 node.
9514 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9515 CONSTRUCTOR_ELTS.
9516 * tree-sra.c (generate_element_init_1): Likewise.
9517 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9518 * tree-ssa-operands.c (get_expr_operands): Likewise.
9519 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9520 * tree-vect-transform.c (vect_get_vec_def_for_operand):
9521 (get_initial_def_for_reduction): Likewise.
9522 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9523 value handle in annotations.
9524 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9525 tree_node_structure): Add support for constr_kind.
9526 (build_vector_from_ctor, build_constructor_single,
9527 build_constructor_from_list): New functions.
9528 (build_constructor): Update to take a VEC instead of a TREE_LIST.
9529 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9530 Update to cope with VEC in CONSTRUCTOR_ELTS.
9531 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9532 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9533 CONSTRUCTOR_APPEND_ELT): New macros.
9534 (struct constructor_elt, struct tree_constructor): New data types.
9535 (union tree_node): Add tree_constructor field.
9536 * treestruct.def: Define TS_CONSTRUCTOR.
9537 * varasm.c (const_hash_1, compare_constant, copy_constant,
9538 compute_reloc_for_constant, output_addressed_constants,
9539 initializer_constant_valid_p, output_constant,
9540 array_size_for_constructor, output_constructor): Update to cope with
9541 VEC in CONSTRUCTOR_ELTS.
9542 * vec.h (VEC_empty, VEC_copy): New macros.
9543
9544 2005-07-19 Devang Patel <dpatel@apple.com>
9545
9546 * dbxout.c (dbxout_type): Check Objective-C++ lang.
9547
9548 2005-07-19 Richard Henderson <rth@redhat.com>
9549
9550 PR tree-opt/22278
9551 * gimplify.c (gimplify_expr): Use main variant type for the temp
9552 destination for a discarded volatile read.
9553 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9554 casts between non-void types that change volatility.
9555
9556 2005-07-15 DJ Delorie <dj@redhat.com>
9557
9558 * toplev.h: Add comment about the first parameter for warning().
9559 * errors.h: Likewise.
9560
9561 * c.opt (Wpragmas): New.
9562 * doc/invoke.texi: Document it.
9563
9564 * function.c (do_warn_unused_parameter): Add warning control to
9565 warning call.
9566 * c-decl.c (warn_if_shadowing): Likewise.
9567 * c-lex.c (cb_def_pragma): Likewise.
9568 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9569 (pop_alignment): Likewise.
9570 (handle_pragma_pack): Likewise.
9571 (apply_pragma_weak): Likewise.
9572 (handle_pragma_weak): Likewise.
9573 (handle_pragma_redefine_extname): Likewise.
9574 (add_to_renaming_pragma_list): Likewise.
9575 (handle_pragma_extern_prefix): Likewise.
9576 (maybe_apply_renaming_pragma): Likewise.
9577 (handle_pragma_visibility): Likewise.
9578
9579 * config/c4x/c4x-c.c (BAD): Likewise.
9580 (c4x_parse_pragma): Likewise.
9581 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9582 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9583 (rs6000_pragma_longcall): Likewise.
9584 * config/v850/v850-c.c (pop_data_area): Likewise.
9585 (ghs_pragma_section): Likewise.
9586 (ghs_pragma_section): Likewise.
9587 (ghs_pragma_interrupt): Likewise.
9588 (ghs_pragma_starttda): Likewise.
9589 (ghs_pragma_startsda): Likewise.
9590 (ghs_pragma_startzda): Likewise.
9591 (ghs_pragma_endtda): Likewise.
9592 (ghs_pragma_endsda): Likewise.
9593 (ghs_pragma_endzda): Likewise.
9594
9595 2005-07-19 Danny Berlin <dberlin@dberlin.org>
9596 Kenneth Zadeck <zadeck@naturalbridge.com>
9597
9598 * Makefile.in: Removed tree-promote-statics.c
9599 * tree-promote-statics.c: Removed.
9600 * common.opt: Removed flag-promote-statics.
9601 * opts.c: Ditto.
9602 * passes.c: Removed tree-promote-statics pass.
9603 * tree-pass.h: Ditto.
9604 * timevar.def: Removed TV_PROMOTE_STATICS.
9605
9606
9607 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
9608
9609 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9610 and *-*-freebsd9.
9611 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9612
9613 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9614
9615 PR c/22476
9616 * c-common.c (check_function_arguments): Call
9617 'check_function_format' if either -Wformat or
9618 -Wmissing-format-attribute are specified.
9619 * c-format.c (check_function_format): Check -Wformat before
9620 calling 'check_format_info'.
9621 * c-opts.c (c_common_post_options): Don't warn for
9622 -Wmissing-format-attribute without -Wformat.
9623 * c-typeck.c (convert_for_assignment): Detect additional cases for
9624 -Wmissing-format-attribute.
9625 * doc/invoke.texi (-Wmissing-format-attribute): Document new
9626 behavior.
9627
9628 2005-07-19 Richard Guenther <rguenther@suse.de>
9629
9630 * config/i386/i386.md (lrint<mode>2): Use temporary
9631 instead of clobbering non-existent memory.
9632
9633 2005-07-19 Nick Clifton <nickc@redhat.com>
9634
9635 * config/avr/avr.c (legitimate_address_p): Fix debugging print
9636 statement to avoid displaying ASCII control characters.
9637
9638 2005-07-19 Ben Elliston <bje@au.ibm.com>
9639
9640 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9641 * cfganal.c (find_edge_index): Ditto.
9642 * combine.c (combine_instructions): Ditto.
9643 * ddg.c (create_scc): Ditto.
9644 (find_successors): Ditto.
9645 (find_predecessors): Ditto.
9646 (find_nodes_on_paths): Ditto.
9647 (longest_simple_path): Ditto.
9648 * flow.c (update_life_info): Ditto.
9649 (count_or_remove_death_notes): Ditto.
9650 (clear_log_links): Ditto.
9651 * modulo-sched.c (generate_reg_moves): Ditto.
9652 (find_max_asap): Ditto.
9653 (find_max_hv_min_mob): Ditto.
9654 (find_max_dv_min_mob): Ditto.
9655 * sbitmap.c (sbitmap_first_set_bit): Ditto.
9656 * sched-rgn.c (extract_edgelst): Ditto.
9657 * tree-into-ssa.c (prepare_names_to_update): Ditto.
9658 (dump_update_ssa): Ditto.
9659 (ssa_names_to_replace) Ditto.
9660 (switch_virtuals_to_full_rewrite): Ditto.
9661 (update_ssa): Ditto.
9662 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9663
9664 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
9665
9666 Fix PR tree-optimization/22483
9667
9668 * tree-complex.c (create_components): Use
9669 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9670 * tree-flow-inline.h (fill_referenced_var_vec): New function.
9671 * tree-flow.h (safe_referenced_var_iterator): New structure.
9672 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9673 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9674 safe_referenced_var iterator.
9675 (add_type_alias): Ditto.
9676
9677 2005-07-19 Steven Bosscher <stevenb@suse.de>
9678
9679 * loop-init.c (rest_of_handle_loop2): Remove.
9680 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9681 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9682 (pass_rtl_loop_init, pass_rtl_loop_done,
9683 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9684 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9685 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9686 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9687 pass_tree_loop_done, and pass_tree_unswitch.
9688 (gate_loop): Rename to gate_tree_loop.
9689 * passes.c (init_optimization_passes): Update for renamed tree
9690 loop passes. Add the new loop2 passes as subpasses of loop2.
9691 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9692 Update for the renamed tree loop passes.
9693
9694 2005-07-18 Ian Lance Taylor <ian@airs.com>
9695
9696 PR middle-end/22057
9697 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9698 blocks when optimizing.
9699
9700 2005-07-18 Steve Ellcey <sje@cup.hp.com>
9701
9702 * common.opt (frename-registers): Initialize to 2.
9703 (fweb): Ditto.
9704 (fgcse-after-reload): Ditto.
9705 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9706 (process_options): Only change flag_web, flag_rename_registers,
9707 and flag_rerun_cse_after_loop if not explicitly set by user.
9708
9709 2005-07-18 Jan Beulich <jbeulich@novell.com>
9710
9711 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9712 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9713 in 64-bit mode the same as DImode in 32-bit mode.
9714 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9715 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9716 mode. Add new mode parameter.
9717 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9718 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9719 x86_64_shift_adj): New expanders.
9720 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9721 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9722 insns.
9723 Respective new splitters. Use renamed shift splitter helpers in 32-bit
9724 DImode shift splitters.
9725 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9726 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9727 mode parameter.
9728
9729 2005-07-18 Jan Beulich <jbeulich@novell.com>
9730
9731 * i386.md (movdi_extzv_1): New.
9732 (zero_extendhidi2): Combine alternatives and never force use of
9733 REX64 prefix.
9734 (zero_extendqidi2): Likewise. Don't restrict input selection.
9735
9736 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9737
9738 Fix PR tree-optimization/22531
9739 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
9740 moment.
9741
9742 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9743
9744 * tree-promote-statics.c (pass_promote_statics): Change dump file
9745 name.
9746
9747 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9748
9749 * tree-optimize.c (init_tree_optimization_passes): Add
9750 pass_eliminate_useless_stores pass.
9751 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9752 * tree-ssa-pre.c (is_copy_stmt): New function.
9753 (follow_copies_till_vuse): Ditto.
9754 (do_eustores): Ditto.
9755 (gate_eustores): Ditto.
9756
9757 2005-07-16 Richard Henderson <rth@redhat.com>
9758
9759 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9760
9761 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9762 Kenneth Zadeck <zadeck@naturalbridge.com>
9763
9764 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9765 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9766 ipa-type-escape.h, tree-promote-statics.c
9767 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9768 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9769 tree-promote-statics.c: new files.
9770 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9771 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9772 int nonlocal_set_p, mark_constant_function): Deleted.
9773 (rest_of_handle_cfg): Removed call to mark_constant_function.
9774 (nonoverlapping_component_refs_p): Added calls to support
9775 type based aliasing.
9776 * tree-ssa-alias.c (may_alias_p,
9777 compute_flow_insensitive_aliasing): Ditto.
9778 * calls.c (flags_from_decl_or_type): Removed reference to
9779 cgraph_rtl_info.
9780 * c-typeck.c (convert_arguments): Make builtins tolerant of having
9781 too many arguments. This is necessary for Spec 2000.
9782 * cgraph.h (const_function, pure_function): Removed.
9783 * common.opt: Added "fipa-pure-const", "fipa-reference",
9784 "fipa-type-escape", and "ftree-promote-static".
9785 * opts.c: Ditto.
9786 * passes.c: Added ipa and tree-promote-statics passes.
9787 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9788 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9789 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9790 * tree-flow.h: Added exposed sra calls and addition of
9791 reference_vars_info field for FUNCTION_DECLS.
9792 * tree-pass.h: Added passes.
9793 * tree-sra.c: (sra_init_cache): New function.
9794 (sra_insert_before, sra_insert_after) Made public.
9795 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9796 and made public.
9797 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9798 aliasing. (may_alias_p): Added code to use type escape analysis to
9799 improve alias sets.
9800 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9801 code to prune clobbers of static variables based on information
9802 produced in ipa-reference pass. Changed call clobbering so that
9803 statics are not marked as clobbered if the call does not clobber
9804 them.
9805
9806 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
9807
9808 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9809 too.
9810
9811 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9812
9813 * doc/install.texi (*-*-solaris2*): Document recommended version
9814 of GNU binutils and mention GNU linker problem on Solaris 10.
9815
9816 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
9817
9818 PR c/22421
9819 * c-decl.c (c_build_bitfield_integer_type): New function.
9820 (finish_struct): Call it.
9821 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9822
9823 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9824
9825 * c-typeck.c (digest_init): Call 'convert_for_assignment'
9826 before returning.
9827
9828 2005-07-16 Jan Hubicka <jh@suse.cz>
9829
9830 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9831 (scale_bbs_frequencies_int): Watch roundoff errors.
9832 * predict.c (return_prediction): Initialize return_stmt.
9833
9834 2005-07-16 Jan Hubicka <jh@suse.cz>
9835
9836 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9837 after RTL profiling.
9838
9839 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
9840
9841 PR middle-end/22398
9842 * fold-const.c (build_range_check): Convert high/low to etype
9843 if we are only comparing against exp.
9844
9845 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
9846
9847 Fix PR tree-optimization/22376
9848 * tree-ssa-structalias.c (build_constraint_graph): We really meant
9849 special var here.
9850 (need_to_solve): New function.
9851 (compute_points_to_sets): Use it.
9852
9853 2005-07-15 Jan Hubicka <jh@suse.cz>
9854
9855 * cfg.c (update_bb_profile_for_threading): More diagnostic.
9856 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9857
9858 2005-07-15 Richard Guenther <rguenther@suse.de>
9859
9860 * c-common.c (handle_flatten_attribute): New function.
9861 Add flatten function attribute.
9862 * doc/extend.texi: Document flatten function attribute.
9863 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9864 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9865 New functions.
9866 (cgraph_decide_inlining): Handle functions with flatten
9867 attribute.
9868
9869 2005-07-14 David Edelsohn <edelsohn@gnu.org>
9870
9871 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9872 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9873 UNSPEC_XCHG, UNSPEC_AND): New.
9874 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9875 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9876 * config/rs6000/sync.md (FETCHOP): New code macro.
9877 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9878 New code attrs.
9879 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9880 (sync_compare_and_swap<mode>): Same.
9881 (sync_lock_test_and_set<mode>): Same.
9882 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9883 for QImode and HImode, and not PPC405.
9884 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9885 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9886 (sync_<fetchop>{si,di}_internal): New.
9887 (sync_nand{si,di}_internal): New.
9888 (sync_old_<fetchop>{si,di}_internal): New.
9889 (sync_old_nand{si,di}_internal): New
9890 (sync_new_<fetchop>{si,di}_internal): New.
9891 (sync_new_nand{si,di}_internal): New.
9892 (atomic_and{si,di}): New.
9893 (sync_new_nand{si,di}_internal): New.
9894 (atomic_and{si,di}): New.
9895 (sync_add<mode>_internal): Delete.
9896 (sync_addshort_internal): Use unspec instead of unspec_volatile.
9897 (sync_sub<mode>_internal): Delte.
9898 (sync_subshort_internal): New.
9899 (sync_andsi_internal): Use unspec instead of unspec_volatile.
9900 (sync_anddi_internal): Delete.
9901 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9902 (sync_booldi_internal): Delete.
9903 (sync_boolc<mode>_internal): Delete.
9904 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9905 (sync_boolc<mode>_internal2): Delete.
9906 (sync_boolcc<mode>_internal): Delete.
9907 (isync, lwsync): Use unspec instead of unspec_volatile.
9908 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9909 Revert UNSPEC_VOLATILE.
9910 (rs6000_split_atomic_op): New.
9911 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9912
9913 2005-07-14 Eric Christopher <echristo@redhat.com>
9914
9915 * config/mips/mips.c (mips_canonicalize_comparison): Cast
9916 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9917
9918 2005-07-14 Eric Christopher <echristo@redhat.com>
9919
9920 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9921
9922 2005-07-14 Steven Bosscher <stevenb@suse.de>
9923
9924 PR tree-optimization/22230
9925 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9926 the computation of the four cross productions for "range op range".
9927
9928 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
9929 Ulrich Weigand <uweigand@de.ibm.com>
9930
9931 PR target/20126
9932 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9933 in some insn.
9934
9935 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9936
9937 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9938
9939 2005-07-14 Steve Ellcey <sje@cup.hp.com>
9940
9941 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9942
9943 2005-07-14 Richard Guenther <rguenther@suse.de>
9944
9945 PR middle-end/22347
9946 * config/i386/i386-protos.h (ix86_function_value): Change
9947 prototype to match new target hook.
9948 * config/i386/i386.c (ix86_value_regno): Change prototype
9949 to take extra type argument.
9950 (TARGET_FUNCTION_VALUE): Define.
9951 (ix86_function_ok_for_sibcall): Pass extra argument to
9952 ix86_value_regno, check return slot rtx for exact match.
9953 (ix86_function_value): Take extra parameter. Dispatch to
9954 ix86_value_regno with fndecl/fntype as provided.
9955 (ix86_value_regno): Handle extra type argument.
9956 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9957
9958 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9959 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9960 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9961 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9962 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9963
9964 2005-07-14 Richard Guenther <rguenther@suse.de>
9965
9966 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9967 * calls.c (expand_call): Pass fntype to hard_function_value.
9968 (emit_library_call_value_1): Likewise.
9969 * explow.c: Include target.h.
9970 (hard_function_value): Take extra argument, the fntype.
9971 Use new target hook for function_value.
9972 * expr.h (hard_function_value): Change prototype.
9973 * function.c (aggregate_value_p): Pass 0 as fntype to
9974 hard_function_value.
9975 (assign_parms): Use new target hook for function_value.
9976 Pass 0 as fntype to hard_function_value.
9977 (expand_function_end): Likewise.
9978 * reg-stack.c: Include target.h.
9979 (stack_result): Use new target hook for function_value.
9980 * target-def.h: New target hook function_value.
9981 * target.h: Likewise.
9982 * targhooks.c (default_function_value): New function.
9983 * targhooks.h (default_function_value): Declare.
9984
9985 2005-07-13 Ian Lance Taylor <ian@airs.com>
9986
9987 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9988
9989 2005-07-14 Jan Hubicka <jh@suse.cz>
9990
9991 * tree-dfa.c (dump_variable): Use default_def function.
9992 * tree-ssa-alias.c (dump_points_to_info): Likewise.
9993 * tree-ssa.c (verify_use): Likewise.
9994 * tree-ssanames.c (release_ssa_name): Likewise.
9995 * tree-tailcall.c (eliminate_tail_call): Likewise.
9996 (tree_optimize_tail_calls_1): Likewise.
9997 * tree-vrp.c (get_value_range): Likewise.
9998
9999 2005-07-14 Ben Elliston <bje@au.ibm.com>
10000
10001 * gcc.c (main): Compare language[0] with '*' when iterating over
10002 the infiles.
10003
10004 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10005
10006 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10007 "s390_emit_compare". Add handling of CCZ1mode.
10008 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10009 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10010 checking.
10011 (s390_branch_condition_mask): Add CCZ1mode handling.
10012 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10013 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10014 Use CCZ1mode instead of CCZmode.
10015 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10016
10017 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10018
10019 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10020 pattern.
10021 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10022
10023 2005-07-13 Eric Christopher <echristo@redhat.com>
10024
10025 * config/mips/mips.c (mips_canonicalize_comparison): New.
10026 (mips_emit_int_relational): Use.
10027
10028 2005-07-13 Eric Christopher <echristo@redhat.com>
10029
10030 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10031 static extra parts.
10032 * config/s390/s390.md: Include tpf.md. Move tpf specific
10033 patterns...
10034 * config/s390/tpf.md: To here.
10035 * config/s390/s390.opt: Move tpf specific options...
10036 * config/s390/tpf.opt: to here. Add mmain option.
10037 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10038 * config/s390/tpf.h: Rewrite.
10039
10040 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10041
10042 * doc/tm.texi: Remove @xref{Cross-profiling}.
10043
10044 2005-07-13 Jeff Law <law@redhat.com>
10045
10046 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10047 expressions, test their _DECL operands for pointer equality rather
10048 than using operand_equal_p.
10049
10050 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10051
10052 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10053 (TARGET_POSIX_IO): This.
10054 * config/darwin.h: Likewise.
10055 * config/freebsd.h: Likewise.
10056 * config/linux.h: Likewise.
10057 * config/lynx.h: Likewise.
10058 * config/netbsd.h: Likewise.
10059 * config/rs6000/linux64.h: Likewise.
10060 * config/rs6000/linux.h: Likewise.
10061 * config/s390/tpf.h: Likewise.
10062 * config/sh/embed-elf.h: Likewise.
10063 * config/sparc/linux64.h: Likewise.
10064 * config/sparc/linux.h: Likewise.
10065 * config/svr4.h: Likewise.
10066 * gcov-io.h: Likewise.
10067
10068 * doc/tm.texi: Updated.
10069
10070 * libgcov.c (create_file_directory): Defined only if
10071 TARGET_POSIX_IO is defined.
10072 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10073 is defined.
10074
10075 2005-07-13 Jan Hubicka <jh@suse.cz>
10076
10077 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10078
10079 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10080
10081 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10082 structure as argument.
10083
10084 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10085
10086 PR tree-optimization/21921
10087 * tree-iterator.c (tsi_link_before): Support the case when
10088 tsi_end_p (tsi) == true.
10089
10090 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10091
10092 PR tree-optimization/22442
10093 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10094 correctly.
10095
10096 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10097
10098 PR rtl-optimization/20376
10099 * toplev.c (process_options): Enable -fweb and -frename-registers when
10100 unrolling.
10101 * doc/invoke.texi: Update the information about when -fweb and
10102 -frename-registers are enabled.
10103
10104 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10105
10106 PR tree-opt/21840
10107 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10108 if *rhs_p is not a SSA_NAME.
10109
10110 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10111
10112 Fix PR tree-optimization/22422
10113 * tree-ssa-structalias.c (struct variable_info): Add flag for
10114 special vars.
10115 (get_varinfo): Now a static function.
10116 (new_varinfo): init has_union and is_special_var to false.
10117 (solution_set_add): Check has_union.
10118 (do_da_constraint): Move temporary variable so it gets reset
10119 properly.
10120 Also check for special variable.
10121 (do_ds_constraint): Ditto.
10122 (do_sd_constraint): Ditto.
10123 (do_structure_copy): Check for special variable.
10124 (find_func_aliases): Ditto.
10125 (init_base_vars): Set special vars properly.
10126
10127 2005-07-13 Jan Hubicka <jh@suse.cz>
10128
10129 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10130 do unit-at-a-time.
10131
10132 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10133 (get_expr_operands): Fix thinko wrt flags and subvars.
10134
10135 PR tree-optimize/22379
10136 * tree-inline.c (expand_call_inline): Do not output sorry in early
10137 inlining.
10138
10139 2005-07-12 Dale Johannesen <dalej@apple.com>
10140
10141 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10142
10143 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10144
10145 PR bootstrap/21704
10146 * host-linux.h: Include limits.h.
10147
10148 2005-07-12 Dale Johannesen <dalej@apple.com>
10149
10150 * expr.c (compress_float_constant): Add cost check.
10151 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10152
10153 2005-07-12 Dale Johannesen <dalej@apple.com>
10154
10155 * gcc.target/i386/compress-float-sse.c: New.
10156 * gcc.target/i386/compress-float-sse-pic.c: New.
10157 * gcc.target/i386/compress-float-387.c: New.
10158 * gcc.target/i386/compress-float-387-pic.c: New.
10159 * gcc.dg/compress-float-ppc.c: New.
10160 * gcc.dg/compress-float-ppc-pic.c: New.
10161
10162 2005-07-12 Eric Christopher <echristo@redhat.com>
10163
10164 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10165 static extra parts.
10166 * config/s390/s390.md: Include tpf.md. Move tpf specific
10167 patterns...
10168 * config/s390/tpf.md: To here.
10169 * config/s390/s390.opt: Move tpf specific options...
10170 * config/s390/tpf.opt: to here. Add mmain option.
10171 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10172 * config/s390/tpf.h: Rewrite.
10173
10174 2005-07-12 Eric Christopher <echristo@redhat.com>
10175
10176 * gcc.c (struct infile): Update comment for language.
10177 (main): Rewrite input file resetting code.
10178
10179 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10180
10181 PR tree-opt/22335
10182 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10183 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10184 (lookup_avail_expr): Use constant_boolean_node instead
10185 of boolean_false_node/boolean_true_node.
10186
10187 2005-07-12 Ben Elliston <bje@au.ibm.com>
10188
10189 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10190 and use it when printing num_edges.
10191
10192 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10193
10194 * doc/extend.texi (Blackfin Built-in Functions): New section.
10195 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10196 @opindex.
10197
10198 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10199
10200 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10201 s/cmpstrsi/cmpstrnsi
10202 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10203 'cmpstrnsi'.
10204 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10205 (init_optabs): Initialize cmpstrn_optab.
10206 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10207 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10208 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10209 * config/i386/i386.md: s/cmpstr/cmpstrn
10210 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10211 * doc/md.texi: Update documentation.
10212
10213 2005-07-11 Richard Henderson <rth@redhat.com>
10214
10215 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10216 build_va_arg_indirect_ref.
10217 (alpha_gimplify_va_arg): Likewise.
10218 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10219 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10220 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10221 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10222 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10223 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10224 Likewise.
10225 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10226
10227 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10228
10229 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10230 * passes.c (init_optimization_passes): Add pass_empty_loop.
10231 * tree-pass.h (pass_empty_loop): Declare.
10232 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10233 try_remove_empty_loop, remove_empty_loops): New functions.
10234 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10235 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10236
10237 2005-07-12 Peter Barada <peter@the-baradas.com>
10238
10239 PR middle-end/16719
10240 PR middle-end/18421
10241 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10242 in address registers.
10243 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10244 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10245 alternative of addsi3_5200.
10246
10247 2005-07-11 Ian Lance Taylor <ian@airs.com>
10248
10249 * config/mips/mips.md (ffs<mode>2): Remove.
10250
10251 2005-07-11 Ian Lance Taylor <ian@airs.com>
10252
10253 * doc/tree-ssa.texi (Cleanups): Improve description of
10254 TRY_FINALLY_EXPR.
10255 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10256
10257 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10258
10259 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10260 * tree.h (DECL_ARGUMENT_FLD): New macro.
10261
10262 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10263
10264 Fix PR tree-optimization/22404
10265
10266 * tree-ssa-structalias.c (create_variable_info_for): Use
10267 correct offset.
10268
10269 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10270
10271 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10272 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10273 for second comparison operand.
10274 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10275
10276 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10277 (define_insn_reservation "alu"): Likewise.
10278 (csync, ssync): Now of type sync.
10279 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10280 -mcsync-anomaly -mspecld-anomaly.
10281 * config/bfin/bfin.opt (mcsync): Remove.
10282 (mcsync-anomaly, mspecld-anomaly): Add.
10283 * config/bfin/bfin.c: Include "insn-codes.h".
10284 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10285 (TARGET_DEFAULT_TARGET_FLAGS): New.
10286 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10287
10288 2005-07-11 Steven Bosscher <stevenb@suse.de>
10289
10290 * basic-block.h: Give the BB flags enum a name, bb_flags.
10291 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10292 * cfgcleanup.c (enum bb_flags): Remove here.
10293 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10294 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10295 (update_forwarder_flag): Likewise.
10296 (thread_jump): Likewise.
10297 (try_forward_edges): Likewise.
10298 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10299 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10300 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10301
10302 2005-07-11 Richard Guenther <rguenther@suse.de>
10303
10304 * config/i386/i386.opt: New target option -msseregparm.
10305 * config/i386/i386.c (override_options): Error out for
10306 -msseregparm but no SSE support.
10307 (ix86_function_sseregparm): Check for global sseregparm.
10308 * doc/invoke.texi: Document -msseregparm.
10309
10310 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10311
10312 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10313 (m32rle-*-linux*): Ditto.
10314
10315 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10316
10317 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10318 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10319 bytes.
10320
10321 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10322
10323 PR middle-end/22239
10324 PR target/20126
10325 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10326 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10327
10328 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10329
10330 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10331 (varmap): Heapify varmap.
10332 (constraints): Heapify constraints.
10333 (struct constraint_graph): Heapify succs and preds.
10334 (constraint_vec_find): Update for heapification.
10335 (constraint_set_union): Ditto.
10336 (insert_into_complex): Ditto.
10337 (constraint_edge_vec_find): Ditto.
10338 (erase_graph_self_edge): Ditto.
10339 (add_graph_edge): Ditto.
10340 (get_graph_weights): Ditto.
10341 (merge_graph_nodes): Ditto.
10342 (build_constraint_graph): Ditto.
10343 (topo_visit): Ditto.
10344 (solve_graph): Ditto.
10345 (create_variable_info_for): Ditto.
10346 (init_base_vars): Ditto.
10347 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10348 (condese_varmap_nodes): Free complex vector.
10349 (clear_edges_for_node): Clear succs and preds vector.
10350
10351 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10352
10353 * tree-ssa-structalias.c (update_alias_info): Change counting of
10354 references to not include vdefs.
10355
10356 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10357
10358 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10359 (up_insert): Ditto.
10360
10361 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10362
10363 * pa.c (pa_commutative_p): Make PLUS commutative when
10364 TARGET_NO_SPACE_REGS is true.
10365
10366 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10367
10368 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10369 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10370 * tree-dfa.c (dump_subvars_for): New.
10371 (debug_subvars_for): New.
10372 (dump_variable): Show subvariables if VAR has them.
10373 * tree-flow-inline.h (get_subvar_at): New.
10374 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10375 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10376 Update all users.
10377 (struct subvar): Change fields offset and size to unsigned
10378 HOST_WIDE_INT.
10379 (dump_subvars_for): Declare.
10380 (debug_subvars_for): Declare.
10381 (get_subvar_at): Declare.
10382 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10383 to unsigned HOST_WIDE_INT *.
10384 (overlap_subvar): Likewise.
10385 * tree-gimple.c (is_gimple_reg): Always return false for
10386 SFTs and memory tags.
10387 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10388 Update all callers.
10389 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10390 (compute_may_aliases): Call compute_points_to_sets.
10391 (collect_points_to_info_for): Remove.
10392 (compute_points_to_and_addr_escape): Remove.
10393 (delete_alias_info): Call delete_points_to_sets.
10394 (compute_flow_sensitive_aliasing): If the call to
10395 find_what_p_points_to returns false, call set_pt_anything.
10396 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10397 (set_pt_anything): Clear pi->pt_vars.
10398 (set_pt_malloc): Remove.
10399 (merge_pointed_to_info): Remove.
10400 (add_pointed_to_expr): Remove.
10401 (add_pointed_to_var): Remove.
10402 (collect_points_to_info_r): Remove.
10403 (is_escape_site): Make extern.
10404 (create_sft): New.
10405 (create_overlap_variables_for): Call it.
10406 * tree-ssa-copy.c (merge_alias_info): Never merge
10407 flow-sensitive alias information.
10408 * tree-ssa-operands.c (get_expr_operands): Adjust variables
10409 offset and size to be unsigned HOST_WIDE_INT.
10410 (add_to_addressable_set): Rename from note_addressable.
10411 Set TREE_ADDRESSABLE as the variables are added to the set.
10412 Update all users.
10413 (add_stmt_operand): Do not try to micro-optimize unmodifiable
10414 operands into VUSEs when adding V_MAY_DEFs for members in an
10415 alias set.
10416 * tree-ssa-operands.h (add_to_addressable_set): Declare.
10417 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10418 (struct variable_info): Add bitfield is_heap_var.
10419 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10420 (new_var_info): Initialize is_heap_var.
10421 (get_constraint_for): Add HEAP variables to the symbol table.
10422 Mark them with is_heap_var.
10423 (update_alias_info): New. Taken mostly from the old
10424 compute_points_to_and_addr_escape.
10425 (handle_ptr_arith): New.
10426 (find_func_aliases): Call update_alias_info.
10427 Call handle_ptr_info for tcc_binary expressions.
10428 Call mark_stmt_modified.
10429 (create_variable_info_for): If DECL has subvars, do not create
10430 variables for its subvars. Always add all the fields.
10431 (set_uids_in_ptset): If the solution includes ANYOFFSET and
10432 SFTs, then add all the SFTs of the structure.
10433 If VI->DECL is an aggregate with subvariables, add the SFT at
10434 VI->OFFSET.
10435 (find_what_p_points_to): If VI is an artificial variable,
10436 translate to bitfields in SSA_NAME_PTR_INFO.
10437 If the solution is empty, set pi->pt_vars to NULL
10438 (init_base_vars): Create ANYOFFSET.
10439 (compute_points_to_sets): Rename from create_alias_vars.
10440 Make extern.
10441 (pass_build_pta): Remove.
10442 (delete_points_to_sets): Rename from delete_alias_vars.
10443 (pass_del_pta): Remove.
10444 * tree-ssa-structalias.h (struct alias_info): Move from
10445 tree-ssa-alias.h.
10446 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10447 NUM_REFERENCES_SET): Likewise.
10448 (compute_points_to_sets, delete_points_to_sets): Declare.
10449
10450 2005-07-09 Richard Henderson <rth@redhat.com>
10451
10452 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10453 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10454 alpha_split_lock_test_and_set_12): New functions.
10455 * config/alpha/alpha-protos.h: Update.
10456 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10457 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10458 * config/alpha/sync.md (I12MODE): New.
10459 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10460 (sync_<fetchop_name><I48MODE>): Likewise.
10461 (sync_nand<I48MODE>): Likewise.
10462 (sync_old_<fetchop_name><I48MODE>): Likewise.
10463 (sync_new_<fetchop_name><I48MODE>): Likewise.
10464 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10465 (sync_compare_and_swap<I48MODE>): Likewise.
10466 (sync_lock_test_and_set<I48MODE>): Likewise.
10467 (sync_compare_and_swap<I12MODE>): New.
10468 (sync_compare_and_swap<I12MODE>_1): New.
10469 (sync_lock_test_and_set<I12MODE>): New.
10470 (sync_lock_test_and_set<I12MODE>_1): New.
10471
10472 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10473
10474 PR 21356
10475 PR 22332
10476 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10477
10478 2005-07-09 Jakub Jelinek <jakub@redhat.com>
10479
10480 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10481 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10482
10483 2005-07-09 Richard SAndiford <richard@codesourcery.com>
10484
10485 PR target/21656
10486 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10487
10488 2005-07-08 David Edelsohn <edelsohn@gnu.org>
10489
10490 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10491 memory_operand constraint.
10492 (store_conditional_<mode>): Same.
10493 (sync_compare_and_swap<mode>): Same.
10494 (sync_lock_test_and_set<mode>): Same.
10495
10496 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
10497
10498 Rewrite PIC support to more closely model actual instructions.
10499 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10500 (cris_symbol): Remove prototypes for removed functions.
10501 (cris_pic_symbol_type_of, cris_valid_pic_const)
10502 (cris_expand_pic_call_address): Prototypes for new functions.
10503 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10504 variable.
10505 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10506 modifiers.
10507 <case ':'>: Add case for new punctuation character.
10508 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10509 emitting (extra) PIC modifier.
10510 <case UNSPEC>: Do not assert for PLT.
10511 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10512 (cris_expand_prologue, cris_expand_epilogue): Check
10513 for pic_offset_table_rtx usage instead of taking
10514 current_function_uses_pic_offset_table as the final word.
10515 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10516 Remove flag_pic difference.
10517 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10518 the moral equivalents of...
10519 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10520 functions.
10521 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10522 (cris_handle_option): Mark ARG as unused.
10523 (cris_expand_pic_call_address): New worker function for "call",
10524 "call_value".
10525 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10526 output PIC constructs here.
10527 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10528 as symbol-specific modifers, not whole or part of operands.
10529 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10530 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10531 constants and flag_pic.
10532 (CONSTANT_INDEX_P): Adjust for new functions.
10533 (enum cris_pic_symbol_type): New helper type.
10534 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10535 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10536 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10537 define_constants.
10538 ("movsi"): Emit actual instructions for GOT and relative access.
10539 ("*movsi_got_load"): New pattern to set up the register holding
10540 the GOT pointer.
10541 ("*movsi_internal"): Operand 1 is not a plain general_operand.
10542 Adjust FIXME for 'S'.
10543 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10544 Use "movs" for -fpic cases.
10545 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10546 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10547 ("call", "call_value"): Just call cris_expand_pic_call_address for
10548 PIC addresses.
10549 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10550 Remove special pattern.
10551 ("*expanded_call_side", "*expanded_call_value_side"): New
10552 patterns.
10553 (gotplt-to-plt, gotplt-to-plt-side-call)
10554 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10555 peephole2:s.
10556 * config/cris/cris/predicates.md
10557 ("cris_general_operand_or_gotless_symbol"): Remove unused
10558 predicate.
10559 ("cris_general_operand_or_symbol"): Adjust for new functions.
10560
10561 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10562
10563 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10564
10565 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
10566
10567 * Makefile.in (TREE_H): Add treestruct.def.
10568 (c-decl.o): Add pointer-set.h
10569 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10570 visibility on regular DECL's.
10571 (merge_decls): Fix the copying of decl nodes of various types for
10572 the new structures. Don't update RTL, section name, weak status,
10573 etc, on DECL's without RTL.
10574 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10575 Don't check volatile on non-variable types.
10576 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10577 to check whether we have seen arguments.
10578 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10579 flag is checked before field (flag is common, field is not).
10580 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
10581 TS_DECL_COMMON could have an origin.
10582 (add_location_or_const_value_attribute): Don't check section name
10583 on non-var/function decls.
10584 (dwarf2out_var_location): Reverse order of tests.
10585 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10586 with DECL_WRTL_CHECK.
10587 * expmed.c (make_tree): rtl is now in decl_with_rtl.
10588 * fold-const.c (fold_binary): Don't check weakness on
10589 non-var/function decls.
10590 (tree_expr_nonzero_p): Ditto.
10591 (fold_checksum_tree): Use tree_decl_extra as sizeof
10592 buffer.
10593 * ggc-page.c (extra_order_size_table): Add sizes for
10594 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
10595 tree_field_decl.
10596 * gimplify.c (gimplify_bind_expr): Only set
10597 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10598 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10599 without RTL.
10600 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10601 * langhooks.h (init_ts). New langhook.
10602 * passes.c (rest_of_decl_compilation): Reverse order of tests.
10603 * print-tree.c (print_node): Update to only print fields that
10604 exist in the structures the passed decl has.
10605 * toplev.c (wrapup_global_declarations): Don't reset
10606 DECL_DEFER_OUTPUT on DECL's that don't contain it.
10607 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10608 * tree-inline.c (remap_decl): Ditto.
10609 * tree-outof-ssa.c (create_temp): Reverse order of tests.
10610 * tree-pretty-print.c (print_declaration): Don't print
10611 DECL_REGISTER on things that don't contain it.
10612 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10613 non-var/function decls.
10614 * tree.c (tree_contains_struct): New structure.
10615 (init_priority_for_decl): New hashtable.
10616 (tree_int_map): New structure.
10617 (tree_int_map_eq): New function.
10618 (tree_int_map_marked_p): Ditto.
10619 (tree_int_map_hash): Ditto.
10620 (tree_map): Move to tree.h.
10621 (tree_map_eq): Externalize.
10622 (tree_map_hash): Ditto.
10623 (tree_map_marked_p): Ditto.
10624 (init_ttree): Set up tree_contains_struct and call langhook.
10625 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10626 (tree_code_size): Update for new structures.
10627 (tree_node_structure): Update for new structures.
10628 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10629 without the field.
10630 (copy_node_stat): Copy init priority.
10631 (build_decl_stat): Ditto for visibility.
10632 (ts_enum_names): New.
10633 (tree_contains_struct_check_failed): New function.
10634 (decl_init_priority_lookup): Ditto.
10635 (decl_init_priority_insert): Ditto.
10636 * treestruct.def: New file.
10637 * tree.h (CODE_CONTAINS_STRUCT): New macro.
10638 (CONTAINS_STRUCT_CHECK): Ditto.
10639 (tree_contains_struct_check_failed): New prototype.
10640 (DECL_CHECK): Removed.
10641 (DECL_MINIMAL_CHECK): New.
10642 (DECL_COMMON_CHECK): Ditto.
10643 (DECL_WRTL_CHECK): Ditto.
10644 (DECL_NON_COMMON_CHECK): Ditto.
10645 (DECL_WITH_VIS_CHECK): Ditto.
10646 (VAR_OR_FUNCTION_DECL_P): Ditto
10647 (struct tree_decl_minimal): New structure.
10648 (struct tree_decl_common): Ditto.
10649 (struct tree_decl_with_rtl): Ditto.
10650 (struct tree_decl_with_vis): Ditto.
10651 (struct tree_decl_non_common): Ditto.
10652 (struct tree_field_decl): Ditto.
10653 (struct tree_parm_decl): Ditto.
10654 (struct tree_var_decl): Ditto.
10655 (struct tree_function_decl): Ditto.
10656 (struct tree_const_decl): Ditto.
10657 (struct tree_result_decl): Ditto.
10658 (union tree_node): Add new structures.
10659 * var-tracking.c (track_expr_p): Reverse order of tests.
10660
10661 * doc/c-tree.texi: Add documentation on DECL node internal structure.
10662
10663 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10664
10665 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10666 * system.h: Poison FINALIZE_PIC.
10667 * doc/tm.texi (FINALIZE_PIC): Remove.
10668
10669 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10670
10671 PR tree-opt/22329
10672 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10673 to the correct type if we have a MODIFY_EXPR.
10674
10675 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10676
10677 PR tree-optimization/22360
10678 * tree.c (upper_bound_in_type): Fix calculations for casting
10679 to a non-wider signed type and casting a signed value to a
10680 wider unsigned type.
10681 (lower_bound_in_type): Fix calculations for casting to a
10682 non-wider signed type.
10683
10684 PR tree-optimization/20139
10685 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10686 release_defs.
10687 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10688 fold_cond_expr_cond.
10689 * tree-ssanames.c (release_defs): Assert in_ssa_p.
10690 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10691
10692 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10693
10694 PR tree-opt/22356
10695 * tree-complex.c (expand_complex_libcall): Produce
10696 REALPART_EXPR/IMAGPART_EXPR with the correct type.
10697
10698 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
10699
10700 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10701 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10702 b" assert and inserted fastpath code for this case.
10703 (bitmap_ior): Removed "a != b" assert.
10704
10705 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10706
10707 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10708 (ENDFILE_SPEC): Likewise.
10709 * config/m32r/m32r.h (ASM_SPEC): Likewise.
10710
10711 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10712 a large stack frame at epilogue.
10713
10714 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
10715
10716 * final.c: Include sdbout.h when required.
10717
10718 2005-07-07 Geoffrey Keating <geoffk@apple.com>
10719
10720 * config.gcc (*-*-darwin*): Only one target-specific header file
10721 for generic darwin.
10722 (powerpc-*-darwin*): Add version-specific header files.
10723 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10724 * config.in: Regenerate.
10725 * configure: Regenerate.
10726 * gcc.c: Include xregex.h.
10727 (version_compare_spec_function): New.
10728 (spec_function): Add version-compare.
10729 (replace_outfile_spec_function): Reformat comment.
10730 (compare_version_strings): New.
10731 * config/darwin-c.c (version_as_macro): New.
10732 (builtin_define): New.
10733 (darwin_cpp_builtins): New.
10734 * config/darwin-protos.h (darwin_cpp_builtins): New.
10735 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10736 (LIB_SPEC): Make unconditional, update comment.
10737 (TARGET_C99_FUNCTIONS): Define.
10738 * config/darwin.opt: Sort.
10739 (mmacosx-version-min=): New.
10740 * config/darwin7.h: Delete.
10741 * config/darwin8.h: Delete.
10742 * config/i386/darwin.h (): Call darwin_cpp_builtins.
10743 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10744 (TARGET_C99_FUNCTIONS): Define.
10745 * config/rs6000/darwin7.h: New.
10746 * config/rs6000/darwin8.h: New.
10747 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10748 (-mmacosx-version-min): Document.
10749
10750 2005-07-07 Ian Lance Taylor <ian@airs.com>
10751
10752 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10753
10754 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
10755
10756 PR middle-end/22239
10757 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10758
10759 2005-07-07 Khem Raj <kraj@mvista.com>
10760
10761 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10762 in bytes, not words.
10763
10764 2005-07-07 Paul Brook <paul@codesourcery.com>
10765
10766 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10767 DEFAULT_FUNCTION_ARG_PADDING to upward.
10768
10769 2005-07-07 Richard Henderson <rth@redhat.com>
10770
10771 * function.c (locate_and_pad_parm): Record parameter alignment in
10772 stack_alignment_needed.
10773
10774 2005-07-07 David Edelsohn <edelsohn@gnu.org>
10775
10776 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10777 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10778 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10779 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10780 (define_attr "type"): Add isync, sync, load_l, store_c.
10781 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10782 Create scratch volatile MEM.
10783 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
10784 sync.
10785 (load_locked_<mode>): New.
10786 (store_conditional_<mode>): New.
10787 (sync_compare_and_swap<mode>): Replace with splitter.
10788 (sync_lock_test_and_set<mode>): Replace with splitter.
10789 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10790 and UNSPECV_ISYNC.
10791 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
10792 is ics. Attribute isync.
10793 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
10794 lwsync.
10795 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10796 and UNSPECV_SYNC_OP.
10797 (emit_unlikely_jump): New.
10798 (emit_load_locked): New.
10799 (emit_store_conditional): New.
10800 (rs6000_split_compare_and_swap): New.
10801 (rs6000_split_lock_test_and_set): New.
10802 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10803 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10804 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10805 rs6000_split_lock_test_and_set): Declare.
10806 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10807 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10808 store_c, isync, sync.
10809
10810 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
10811
10812 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10813 filenames to gtyp-gen.h.
10814 (s-typ-gen): Use it in place of for loops.
10815
10816 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
10817
10818 * hooks.c (hook_bool_rtx_int_false): New function.
10819 * hooks.h (hook_bool_rtx_int_false): Declare.
10820 * target-def.h (TARGET_COMMUTATIVE_P): Define.
10821 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10822 * target.h (struct gcc_target): Add commutative_p member.
10823 * targhooks.c (hook_bool_rtx_commutative_p): New function.
10824 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10825 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10826 (pa_commutative_p): New function.
10827 * jump.c (target.h): Include.
10828 (rtx_renumbered_equal_p): Use targetm.commutative_p.
10829 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10830
10831 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10832
10833 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10834 (s390_expand_setmem): New.
10835 * config/s390/s390.c: Likewise.
10836 (print_shift_count_operand): Truncate to 12 bits instead of 6.
10837 Adapt comments.
10838 * config/s390/s390.md: ("setmem<mode>"): Accept character as
10839 general_operand. Call new function "s390_expand_setmem".
10840 ("clrmem_long", "*clrmem_long"): Rewrite to ...
10841 ("setmem_long", "*setmem_long"): ... this.
10842
10843 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10844
10845 * config/s390/s390.c: (optimization_options): Enable
10846 TARGET_MVCLE at -Os.
10847 * doc/invoke.texi: Document changes in default behaviour.
10848 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10849
10850 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10851
10852 * expr.c: (set_storage_via_setmem): Convert opchar to mode
10853 defined by back-end.
10854
10855 2005-07-07 Jakub Jelinek <jakub@redhat.com>
10856
10857 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10858 all sets in the pattern.
10859 * config/rs6000/rs6000.md (stack_protect_testsi,
10860 stack_protect_testdi): Likewise.
10861
10862 2005-07-06 Jeff Law <law@redhat.com>
10863
10864 * tree-vrp.c (simplify_using_ranges): Kill.
10865 (vrp_finalize): Remove call to simplify_using_ranges.
10866 (simplify_stmt_using_ranges): New function extracted from
10867 simplify_using_ranges.
10868 (simplify_div_or_mod_using_ranges): Likewise.
10869 (simplify_abs_using_ranges): Likewise.
10870 (simplify_cond_using_ranges): New function.
10871 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10872 * tree-ssa-propagate.c (substitute_and_fold): Call
10873 simplify_stmt_using_ranges if we have range information.
10874
10875 2005-07-06 James E. Wilson <wilson@specifixinc.com>
10876
10877 * config/ia64/ia64.c (ia64_reorg): Check optimize before
10878 ia64_flag_schedule_isns2.
10879
10880 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10881 reading/writing general registers.
10882 (ia64_function_arg): Revert 2005-06-18 change.
10883
10884 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
10885
10886 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10887 (legitimize_tls_address): Use gcc_unreachable instead of abort.
10888
10889 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
10890
10891 * function.c (expand_function_end): Revert part of 2005-06-27
10892 patch. Do sjlj_emit_function_exit_after after return_label.
10893
10894 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10895
10896 * doc/install.texi (--disable-libssp): New.
10897
10898 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
10899
10900 * doc/invoke.texi: Update -fforce-mem documentation.
10901 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10902 code for -fforce-mem.
10903 * expmed.c: (store_bit_field,store_fixed_bit_field,
10904 extract_bit_field): Ditto.
10905 * expr.c: (convert_move): Ditto.
10906 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10907 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10908 emit_conditional_add,expand_float,expand_fix): Ditto.
10909 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10910 (common_handle_option): Issue warning when -fforce-mem specified.
10911
10912 2005-07-06 Paul Brook <paul@codesourcery.com>
10913
10914 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10915 argument is empty.
10916 * configure: Regenerate.
10917
10918 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
10919
10920 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10921
10922 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
10923
10924 Fix PR tree-optimization/22319
10925 Fix PR tree-optimization/22140
10926 Fix PR tree-optimization/22310
10927
10928 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10929 variable sized types.
10930 Use correct type for intermediate structure on *a = *b structure
10931 copies.
10932
10933 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10934
10935 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10936 Remove.
10937 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10938 (machine_function): Move typedef to...
10939 * config/rs6000/rs6000.c (machine_function): ... here. Add
10940 varargs_save_offset field.
10941 (rs6000_stack_t): Remove varargs_size field.
10942 (setup_incoming_varargs): Allocate varargs save area using
10943 assign_stack_local, try to make it as small as possible.
10944 Save offset from virtual_stack_vars_rtx to the save area
10945 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
10946 instead of magic 8 when fp word byte size is used.
10947 (rs6000_va_start): Use cfun->machine->varargs_save_offset
10948 instead of -RS6000_VARARGS_SIZE.
10949 (rs6000_stack_info, debug_stack_info,
10950 rs6000_initial_elimination_offset): Remove all traces of
10951 varargs_size.
10952 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10953 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10954 RS6000_VARARGS_AREA.
10955
10956 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10957
10958 PR tree-optimization/21963
10959 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10960 constant_multiple_of in the same way get_computation_cost_at does.
10961
10962 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10963
10964 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10965 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10966 (gen_compare_reg): If sparc_compare_emitted is set, clear it
10967 and return its previous value.
10968 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10969 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10970 constants.
10971 (stack_protect_set, stack_protect_test): New expanders.
10972 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10973 stack_protect_testdi): New insns.
10974 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10975 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10976
10977 2005-07-06 Jeff Law <law@redhat.com>
10978
10979 * tree-ssa-dce.c (cfg_altered): New global.
10980 (tree_dce_init): Initialize cfg_altered.
10981 (remove_dead_stmt): If we remove an edge in the CFG, then set
10982 CFG_ALTERED.
10983 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10984 the dominators.
10985
10986 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10987
10988 * Makefile.in (stamp-collect-ld): Use
10989 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
10990 ./collect-ld if it already exists.
10991 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10992 Don't remove ./nm if it already exists.
10993
10994 2005-07-05 Devang Patel <dpatel@apple.com>
10995
10996 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10997 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10998 * tree-vectorizer.c (vect_loop_location): New.
10999 (vect_print_dump_info): Use vect_loop_location.
11000 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11001 (vectorize_loops): Set vect_loop_location.
11002 * tree-vect-analyze.c (vect_analyze_offset_expr,
11003 vect_determin_vectorization_factor, vect_analyze_operations,
11004 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11005 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11006 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11007 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11008 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11009 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11010 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11011 vect_analyze_loop): Adjust vect_print_dump_info API.
11012 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11013 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11014 vect_finish_stmt_generation, vectorizable_assignment,
11015 vectorizable_operation, vectorizable_store, vectorizable_load,
11016 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11017 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11018 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11019 vect_transform_loop): Same.
11020 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11021 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11022 Same.
11023
11024 2005-07-05 Randolph Chung <tausq@debian.org>
11025
11026 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11027 * configure: Regenerate.
11028 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11029 (pa_tls_referenced_p): Declare.
11030 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11031 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11032 (legitimize_tls_address): New.
11033 (hppa_legitimize_address): Handle TLS addresses.
11034 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11035 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11036 (emit_move_sequence): Handle TLS addresses.
11037 (pa_encode_section_info): Call default handler to handle common
11038 sections.
11039 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11040 (CONSTANT_ADDRESS_P): Reject TLS operands.
11041 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11042 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11043 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11044 (UNSPEC_TLSLE): Define new constants.
11045 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11046 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11047 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11048 (tie_symbolic_operand, tle_symbolic_operand): New
11049
11050 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11051
11052 * aclocal.m4: Update macros for autoconf 2.59 style.
11053 * configure.ac: Likewise.
11054
11055 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11056
11057 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11058 (function_arg): Pass small aggregates in general registers on 32-bit
11059 targets.
11060 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11061
11062 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11063
11064 * Makefile.in (final.o): Fix dependencies.
11065
11066 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11067
11068 PR c/22013
11069 PR c/22098
11070 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11071 * langhooks.c (lhd_expr_to_decl): New.
11072 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11073 New.
11074 (LANG_HOOKS_INITIALIZER): Update.
11075 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11076 expr_to_decl langhook.
11077 * c-tree.h (c_expr_to_decl): Declare.
11078 * c-typeck.c (c_expr_to_decl): New.
11079 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11080 specially.
11081 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11082
11083 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11084
11085 PR c/22308
11086 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11087 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11088
11089 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11090
11091 * Makefile.in: Adjust dependencies.
11092 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11093 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11094 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11095 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11096 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11097 rest_of_compilation.
11098
11099 * bb-reorder.c (gate_duplicate_computed_gotos,
11100 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11101 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11102 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11103 pass_partition_blocks): New.
11104 * bt-load.c (gate_handle_branch_target_load_optimize,
11105 rest_of_handle_branch_target_load_optimize,
11106 pass_branch_target_load_optimize): New.
11107 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11108 pass_jump2): New.
11109 * cfglayout.c (pass_insn_locators_initialize): New.
11110 * cfgrtl.c (pass_free_cfg): New.
11111 * combine.c (gate_handle_combine, rest_of_handle_combine,
11112 pass_combine): New.
11113 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11114 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11115 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11116 * except.c (pass_set_nothrow_function_flags,
11117 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11118 pass_rtl_eh): New.
11119 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11120 rest_of_handle_shorten_branches, pass_shorten_branches,
11121 rest_of_clean_state, pass_clean_state): New.
11122 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11123 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11124 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11125 pass_flow2): New.
11126 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11127 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11128 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11129 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11130 pass_gcse): New.
11131 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11132 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11133 pass_rtl_ifcvt, gate_handle_if_after_combine,
11134 rest_of_handle_if_after_combine, pass_if_after_combine,
11135 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11136 pass_if_after_reload): New.
11137 * integrate.c (pass_initial_value_sets): New.
11138 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11139 pass_purge_lineno_notes): New.
11140 * mode-switching.c (rest_of_handle_mode_switching,
11141 pass_mode_switching): New.
11142 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11143 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11144 pass_loop2): New.
11145 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11146 pass_loop_optimize): New.
11147 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11148 pass_sms): New.
11149 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11150 pass_gcse2): New.
11151 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11152 pass_postreload_cse): New.
11153 * profile.c (gate_handle_profiling, pass_profiling,
11154 rest_of_handle_branch_prob, pass_branch_prob): New.
11155 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11156 pass_split_before_regstack, gate_handle_split_before_regstack,
11157 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11158 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11159 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11160 pass_stack_regs): New.
11161 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11162 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11163 pass_stack_adjustments): New.
11164 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11165 pass_regrename): New.
11166 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11167 pass_delay_slots, gate_handle_machine_reorg,
11168 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11169 * rtl.h (extern void purge_line_number_notes): New.
11170 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11171 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11172 pass_sched2): New.
11173 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11174 pass_tracer): New.
11175 * value-prof.c (gate_handle_value_profile_transformations,
11176 rest_of_handle_value_profile_transformations,
11177 pass_value_profile_transformations): New.
11178 * var-tracking.c (gate_handle_var_tracking,
11179 pass_variable_tracking): New.
11180 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11181
11182 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11183 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11184 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11185 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11186 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11187 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11188 rest_of_handle_gcse2, rest_of_handle_regmove,
11189 rest_of_handle_tracer, rest_of_handle_if_conversion,
11190 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11191 rest_of_handle_web, rest_of_handle_branch_prob,
11192 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11193 rest_of_handle_jump_bypass, rest_of_handle_combine,
11194 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11195 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11196 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11197 rest_of_handle_mode_switching, rest_of_handle_jump,
11198 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11199 rest_of_handle_flow2, rest_of_handle_jump2,
11200 rest_of_handle_peephole2, rest_of_handle_postreload,
11201 rest_of_handle_shorten_branches, rest_of_clean_state,
11202 rest_of_compilation): Remove.
11203
11204 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11205 * passes.c (dump_flags, in_gimple_form, all_passes,
11206 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11207 register_dump_files, next_pass_1, last_verified, execute_todo,
11208 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11209 from tree-optimize.c.
11210 (init_optimization_passes): Moved from tree-optimize.c,
11211 adding the RTL optimizations.
11212 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11213 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11214 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11215 register_dump_files, next_pass_1, last_verified, execute_todo,
11216 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11217 init_tree_optimization_passes, ipa_passes): Delete.
11218 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11219 the RTL dumps.
11220 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11221 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11222 from tree.h.
11223 (ipa_passes): Remove.
11224 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11225 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11226 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11227 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11228 (dump_info_p, dump_flag): Moved to tree-dump.h.
11229
11230 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11231 cgraph.c, opts.c.
11232 * passes.c (finish_optimization_passes): Use dump_begin
11233 and dump_end, TDI_end.
11234 (gate_rest_of_compilation): New.
11235 (pass_rest_of_compilation): Use it.
11236 (gate_postreload, pass_postreload): New.
11237 * toplev.c (general_init): Rename init_tree_optimization_passes.
11238 * toplev.h (init_tree_optimization_passes): Rename to
11239 init_optimizations_passes.
11240 * tree-dump.c (dump_flag): Make static.
11241 (dump_files): Remove RTL dumps.
11242 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11243 pass_cleanup_cfg, pass_free_cfg_annotations,
11244 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11245 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11246 * tree-pretty-print.c: Include tree-pass.h.
11247 * cgraph.c: Include tree-dump.h.
11248
11249 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11250
11251 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11252 Only fall back to saying it points to readonly memory if
11253 we can't do better.
11254
11255 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11256
11257 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11258 * config/m32r/m32r.c (m32r_compute_frame_size,
11259 m32r_expand_prologue): Take current_function_profile into
11260 account whenever we reference
11261 current_function_uses_pic_offset_table.
11262 (m32r_finalize_pic): Remove.
11263 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11264
11265 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11266
11267 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11268 instead of $<. Don't remove ./as if it already exists.
11269
11270 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11271
11272 PR target/21723
11273 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11274 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11275 for complex modes when generating code for PA 1.0.
11276 (VALID_FP_MODE_P): New macro.
11277 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11278 sets for all general and floating point modes. Align wide floating
11279 point modes to even register boundaries to comply with architectural
11280 requirements.
11281 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11282 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11283 (VALID_FP_MODE_P): New macro.
11284 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11285 sets for all general and floating point modes. Align wide floating
11286 point modes to even register boundaries to comply with architectural
11287 requirements.
11288
11289 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11290
11291 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11292 to 0.
11293
11294 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11295
11296 * tree-ssa-structalias.c: Don't include expr.h.
11297
11298 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11299
11300 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11301 comments.
11302
11303 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11304
11305 Fix PR tree-optimization/22279
11306
11307 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11308 correct operator.
11309
11310 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11311
11312 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11313
11314 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11315
11316 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11317 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11318 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11319 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11320 config/stormy16/stormy16.c, config/v850/v850.c,
11321 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11322 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11323 Avoid "." or "\n" at end of diagnostics and capital letters at
11324 start of diagnostics.
11325 * combine.c, cse.c: Don't translate dump file output.
11326 * toplev.c (print_version): Only translate output if going to
11327 stderr.
11328
11329 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11330
11331 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11332 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11333 typos.
11334
11335 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11336
11337 * pa.c (fix_range): Fix typo in comment.
11338
11339 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11340
11341 * tree-vrp.c (extract_range_from_assert): Replace
11342 fold (build (...)) with fold_build2.
11343
11344 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11345
11346 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11347 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11348 (format_types_orig, handle_format_attribute): Add support for
11349 format "gcc_gfc".
11350
11351 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11352
11353 * varasm.c (assemble_variable): Fix format specifier thinko.
11354
11355 2005-07-03 Ira Rosen <irar@il.ibm.com>
11356
11357 PR tree-optimization/22029 (and 22135)
11358 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11359 a phi node before calling dump_vops.
11360
11361 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11362
11363 * tree-dump.h (dump_string_field): Declare.
11364 * tree-dump.c: Use it instead of dump_string.
11365 (dump_string_field): Make non-static.
11366
11367 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11368
11369 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11370 up the minimal CFG stuff always when optimize > 0. Call
11371 split_all_insns_noflow in PIC case if needed.
11372
11373 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11374 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11375
11376 PR c++/18279
11377 * c-decl.c (c_write_global_declarations): Dump contents of
11378 external scope to.
11379 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11380 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11381 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11382 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11383 is enabled.
11384
11385 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11386
11387 * c-common.h (GCC_DIAG_STYLE): Define.
11388 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11389 version for format checking to 4.1.
11390 * c-format.c: Include toplev.h after c-common.h.
11391 (enum format_type): Add gcc_tdiag_format_type.
11392 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11393 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11394 (format_types_orig): Add gcc_tdiag.
11395 (init_dynamic_diag_info): Support gcc_tdiag formats.
11396 (handle_format_attribute): Likewise.
11397 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11398 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11399 version for format checking to 4.1.
11400 (warning0, warning, error, pedwarn, sorry): Use
11401 ATTRIBUTE_GCC_DIAG.
11402 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11403 (finish_aliases_1): Do not use %qE.
11404 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11405 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11406 Correct format bugs.
11407 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11408 parameter to unsigned HOST_WIDE_INT.
11409 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11410
11411 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11412
11413 PR middle-end/21742
11414 * expr.c (write_complex_part): Use adjust_address for MEM.
11415 (read_complex_part): Same.
11416
11417 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
11418
11419 Fix PR tree-optimization/22280
11420
11421 * tree-sra.c (generate_element_init): Remove useless loop.
11422
11423 2005-07-02 Richard Henderson <rth@redhat.com>
11424
11425 * config/alpha/alpha.c (alpha_legitimize_address): Check for
11426 TLS_MODEL_NONE.
11427 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11428
11429 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
11430
11431 PR middle-end/14490
11432 * fold-const.c (fold_binary): Handle the return value of
11433 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11434 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11435
11436 2005-07-02 Jeff Law <law@redhat.com>
11437
11438 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11439 a eliminate type conversion which feeds an equality comparison
11440 if the original type or either operand in the comparison is a
11441 function pointer.
11442
11443 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
11444
11445 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11446 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11447 texts.
11448 * config/avr/avr.c: Do not use '`' as left quote.
11449 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11450 Remove "." from end of diagnostics. Make diagnostics start with
11451 lowercase letter.
11452
11453 2005-07-02 Zack Weinberg <zack@codesourcery.com>
11454 Joseph S. Myers <joseph@codesourcery.com>
11455
11456 * toplev.c (default_tree_printer): Handle setting location with
11457 '+' flag.
11458 * c-objc.common.c (c_tree_printer): Likewise.
11459 * c-format.c (gcc_diag_flag_specs): Add '+'.
11460 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11461 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11462 formats.
11463 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11464 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11465 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11466 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11467 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11468 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
11469 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
11470 format arguments where %J is used without %D.
11471
11472 2005-07-02 Jakub Jelinek <jakub@redhat.com>
11473
11474 * gcc.c (LINK_SSP_SPEC): Define.
11475 (link_ssp_spec): New variable.
11476 (LINK_COMMAND_SPEC): Add %(link_ssp).
11477 (static_specs): Add link_ssp_spec.
11478 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11479 * configure: Rebuilt.
11480 * config.in: Rebuilt.
11481
11482 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11483 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11484 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11485 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11486 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11487 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11488 -0x7008(2) instead of reading __stack_chk_guard variable.
11489 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11490 number.
11491 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11492 (stack_protect_set, stack_protect_test): Use *_tls* patterns
11493 if TARGET_THREAD_SSP_OFFSET is defined.
11494 (stack_tls_protect_set_si, stack_tls_protect_set_di,
11495 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11496
11497 Revert:
11498 2005-06-27 Richard Henderson <rth@redhat.com>
11499 * libgcc-std.ver (GCC_4.1.0): New.
11500 * libgcc.h (__stack_chk_guard): Declare.
11501 (__stack_chk_fail, __stack_chk_fail_local): Declare.
11502 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11503 * mklibgcc.in (lib2funcs): Add them.
11504
11505 2005-07-01 Richard Henderson <rth@redhat.com>
11506
11507 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11508 void * before struct sigcontext *.
11509 (x86_fallback_frame_state): Likewise.
11510
11511 2005-07-01 James E. Wilson <wilson@specifixinc.com>
11512
11513 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11514
11515 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11516
11517 PR tree-opt/22269
11518 * tree-ssa-reassoc.c (should_transpose): Fix which operand
11519 we check for SSA_NAME for.
11520
11521 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
11522
11523 Fix PR tree-optimization/22071
11524
11525 * tree-ssa-structalias.c (offset_overlaps_with_access): New
11526 function.
11527 (get_constraint_for_component_ref): Use it.
11528
11529 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11530
11531 PR other/22264
11532 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11533 print out the last new line.
11534
11535 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
11536
11537 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11538 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11539 * config/cris/cris.c (cris_conditional_register_usage): Adjust
11540 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11541 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11542 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11543 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11544 (enum reg_class): New member CC0_REGS.
11545 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11546 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11547 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11548 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11549 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11550 Adjust for register now described.
11551
11552 2005-07-01 Jakub Jelinek <jakub@redhat.com>
11553
11554 PR target/22262
11555 * config/i386/i386.md (stack_protect_test_si,
11556 stack_protect_test_di): Add earlyclobber for scratch 3.
11557 * config/rs6000/rs6000.md (stack_protect_testsi,
11558 stack_protect_testdi): Add earlyclobber for scratch 3,
11559 remove earlyclobber from scratch 4.
11560
11561 Older entries for 2005 can be found in ChangeLog-2005.