1 2006-12-11 Diego Novillo <dnovillo@redhat.com>
3 * tree-scalar-evolution.c (scev_const_prop):
4 * tree-phinodes.c (remove_phi_node): Add argument
5 RELEASE_LHS_P. If given, release the SSA name on the LHS of
8 * tree-ssa-dce.c: Remove forward declarations for static
9 functions. Re-arrange functions bodies as needed.
10 (find_obviously_necessary_stmts): Never mark PHI nodes as
13 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
15 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
17 2006-12-11 Jan Hubicka <jh@suse.cz>
19 * value-prof.c (tree_stringops_transform): New.
20 (tree_value_profile_transformations): Require count to be non-zero;
21 call stringop transform; reset stmt BSI after BB changed.
22 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
23 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
24 (tree_stringops_values_to_profile): New.
25 (tree_values_to_profile): Call tree_stringops_values_to_profile.
26 * tree.h (build_string_literal): Tidy prototype.
27 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
29 * builtins.c (validate_arglist, builtin_memset_read_str,
30 get_pointer_alignment): Export.
32 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
36 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
38 * config/i386/i386.opt: New target option -mx87regparm.
40 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
41 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
42 (X87_REGPARM_MAX): Define.
44 * config/i386/i386.c (override_options): Error out for
45 -mx87regparm but no 80387 support.
46 (ix86_attribute_table): Add x87regparm.
47 (ix86_handle_cconv_attribute): Update comments for x87regparm.
48 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
49 (ix86_function_x87regparm): New function.
50 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
52 (init_cumulative_args): Initialize x87_nregs and float_in_x87
54 (function_arg_advance): Process x87_nregs and x87_regno when
55 floating point argument is to be passed in 80387 register.
56 (function_arg): Pass XFmode arguments in 80387 registers for local
57 functions. Pass SFmode and DFmode arguments to local functions
58 in 80387 registers when flag_unsafe_math_optimizations is set.
60 * reg-stack.c (convert_regs_entry): Disable NaN load for
61 stack registers that are used for argument passing.
63 * doc/extend.texi: Document x87regparm function attribute.
64 * doc/invoke.texi: Document -mx87regparm.
66 2006-12-11 Jan Hubicka <jh@suse.cz>
68 Move all varpool routines out of cgraph/cgraphunit to varpool.c
69 * cgraph.c: Update comments.
71 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
72 cgraph_varpool_node_name, cgraph_varpool_node,
73 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
74 cgraph_variable_initializer_availability): Move to
75 varpool.c and drop cgraph_ prefixes.
76 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
77 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
78 move to varpool.c; drop cgraph_ prefix; make static.
79 (dump_cgraph_varpool_node): Move to varpool.c under name
81 (dump_varpool, hash_varpool_node, eq_varpool_node,
82 decide_is_variable_needed): Move to varpool.c
83 (decl_assembler_name_equal): Move to tree.c.
84 (availability_names): Rename to ...
85 (cgraph_availability_names): ... this one.
86 (dump_cgraph_node): Update.
87 * cgraph.h: Reorder declarations now in varpool.c
88 (cgraph_vailablity_names): Declare.
89 (struct cgraph_varpool_node): Rename to ...
90 (struct varpool_node): ... this one.
91 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
92 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
93 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
94 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
95 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
96 cgraph_variable_initializer_availability): Rename to ...
97 (varpool_first_unanalyzed_node, varpool_nodes_queue,
98 varpool_first_unanalyzed_node, varpool_node,
99 varpool_node_for_asm, varpool_mark_needed_node,
100 varpool_finalize_decl, varpool_enqueue_needed_node,
101 varpool_assemble_pending_decls, variable_initializer_availability):
103 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
104 * tree.h (decl_assembler_name_equal): Declare.
105 * omp-low.c (lower_omp_critical): Update.
106 * ipa-reference (analyze_variable, static_execute): Likewise.
107 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
108 * cgraphunit.c: Update comments.
109 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
110 varpool_assembled_nodes_queue.
111 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
112 varpool_analyze_pending_decls.
113 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
114 varpool_remove_unreferenced_decls.
115 (record_reference): Update.
116 (cgraph_create_edges): Update.
117 (record_referneces_in_initializer): New function.
118 (cgraph_varpool_assemble_decl): Move to varpool.c under name
119 varpool_assemble_decl; make global.
120 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
121 varpool_assemble_pending_decls.
122 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
123 struct cgraph_order_sort, cgraph_output_in_order,
124 cgraph_function_and_variable_invisibility, cgraph_optimize,
125 cgraph_increase_alignment): Update.
126 * dwarf2out.c (decls_for_scope): Likewise.
127 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
128 * except.c (output_ttype): Likewise.
129 * varasm.c (mark_decl_referenced): Likewise.
130 (find_decl_and_mark_referenced, assemble_alias): update.
131 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
132 * passes.c (rest_of_decl_compilation): Update.
134 2006-12-11 Ira Rosen <irar@il.ibm.com>
136 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
138 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
139 (vect_setup_realignment): Likewise.
141 2006-12-11 Sa Liu <saliu@de.ibm.com>
142 Ben Elliston <bje@au.ibm.com>
144 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
145 (ENDFILE_SPEC): Likewise.
146 * config/spu/spu.opt (mstdmain): New option.
147 * config/spu/crti.asm: Remove.
148 * config/spu/crtn.asm: Likewise.
149 * config/spu/crt0.c: Likewise.
150 * config/spu/crtend.c: Likewise.
151 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
153 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
154 * doc/invoke.texi (SPU Options): Document -mstdmain.
156 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
158 * doc/loop.texi: Document number_of_latch_executions and
159 number_of_cond_exit_executions.
160 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
161 chrec_is_positive, number_of_iterations_for_all_loops,
162 scev_const_prop): Use number_of_latch_executions.
163 (set_nb_iterations_in_loop): Do not increase the value of the
164 number of iterations.
165 (number_of_iterations_in_loop): Renamed to ...
166 (number_of_latch_executions): ... this.
167 (number_of_exit_cond_executions): New function.
168 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
170 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
171 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
172 number_of_latch_executions.
173 * tree-data-ref.c (get_number_of_iters_for_loop): Use
174 number_of_exit_cond_executions.
175 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
176 * cfgloop.h (struct loop): Improve description of the nb_iterations
179 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
181 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
182 (tree_pointer_compare): Remove.
184 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
186 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
187 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
188 * tree-loop-linear.c (linear_transform_loops): Ditto.
189 * tree-ssa-loop-im.c (determine_lsm): Ditto.
190 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
191 free_numbers_of_iterations_estimates): Ditto.
192 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
193 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
194 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
195 * modulo-sched.c (sms_schedule): Ditto.
196 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
197 tree_unroll_loops_completely): Ditto.
198 * predict.c (predict_loops): Ditto.
199 * tree-if-conv.c (main_tree_if_conversion): Ditto.
200 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
201 decide_unrolling_and_peeling): Ditto.
202 * cfgloopmanip.c (unloop): Use delete_loop.
203 (place_new_loop): Access larray vector instead of parray.
204 (create_preheaders, force_single_succ_latches,
205 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
206 * loop-doloop.c (doloop_optimize_loops): Ditto.
207 * loop-invariant.c (move_loop_invariants): Ditto.
208 * tree-cfg.c (replace_uses_by): Ditto.
209 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
210 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
212 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
214 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
215 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
216 get_loop and get_chrec_loop.
217 (number_of_iterations_for_all_loops): Use number_of_loops.
218 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
219 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
220 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
222 * tree-chrec.c (evolution_function_is_invariant_rec_p,
223 chrec_convert_1): Use get_loop and get_chrec_loop.
224 * loop-init.c (loop_optimizer_init): Use number_of_loops.
225 (loop_optimizer_init): Use FOR_EACH_LOOP.
226 * tree-vectorizer.c (vect_loops_num): Removed.
227 (vectorize_loops): Store number of loops locally. Use
228 FOR_EACH_LOOP and get_loop.
229 * tree-vectorizer.h (vect_loops_num): Removed.
230 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
231 (find_data_references_in_loop): Do not set parallel_p.
232 * tree-data-ref.h: Do not declare VEC(loop_p).
233 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
234 verify_loop_structure): Use FOR_EACH_LOOP.
235 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
236 (initialize_loops_parallel_p): Removed.
237 (flow_loops_find): Push the loops into a vector.
238 (delete_loop): New function.
239 (cancel_loop): Use delete_loop.
240 * cfgloop.h: Declare VEC(loop_p).
241 (struct loop): Remove parallel_p field.
242 (struct loops): Replace num and parray field by larray vector.
243 Remove shared_headers field.
244 (delete_loop): Declare.
245 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
247 * doc/loop.tex: Document new accessor functions.
249 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
251 * common.opt (-ftree-lrs): Remove live range splitting option.
252 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
253 * opts.c (decode_options): Remove flag_tree_live_range_split.
254 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
255 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
256 * tree-outof-ssa.c: Remove header files which aren't needed.
257 (SSANORM_*): Remove flags.
258 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
259 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
260 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
261 (assign_vars): Use Basevar instead of root_var structure.
262 (replace_def_variable): Dont do anything if def is replaceable.
263 (remove_ssa_form): Integrate functional changes.
264 (rewrite_out_of_ssa): Remove live-range_split option.
265 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
266 (coalesce_cost): Calculate the cost of a coalesce.
267 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
268 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
269 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
270 (pop_best_coalesce): Remove the best coalesce from the list.
271 (coalesce_pair_map_hash): Calculate coalesce pair hash.
272 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
273 (create_coalesce_list): Create a coalesce list object.
274 (delete_coalesce_list): Free a coalesce list object.
275 (find_coalesce_pair): Find matching pair in the coalesce list.
276 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
277 (add_coalesce): Add a coalesce to the coalesce list.
278 (compare_pairs): Comparision function to determine pair sorted order.
279 (num_coalesce_pairs): Number of coalesced pairs.
280 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
281 Coalesce pair iterator functions.
282 (sort_coalesce_list): Sort coalesce pairs in order of expense.
283 (dump_coalesce_list): Show coalesce list.
284 (ssa_conflicts_new): Create an SSA conflict graph.
285 (ssa_conflicts_delete): Delete an SSA conflict graph.
286 (ssa_conflicts_test_p): Test for conflicts.
287 (ssa_conflicts_add_one): Add a single conflict.
288 (ssa_conflicts_add): Add a conflict pair.
289 (ssa_conflicts_merge): Merge conflicts.
290 (struct live_track_d): Struct for tracking live partitions.
291 (new_live_track): Create new live_track object.
292 (delete_live_track): Delete a live_track object.
293 (live_track_remove_partition): Remove a partition from the live list.
294 (live_track_add_partition): Add a partition from the live list.
295 (live_track_clear_var): Take VAR from the live list.
296 (live_track_live_p): Is var live?
297 (live_track_process_use): Make var come alive.
298 (live_track_process_def): Make var go dead, add conflicts.
299 (live_track_init): Initialize to a live on exit set.
300 (live_track_clear_base_vars): Clear live partitions.
301 (build_ssa_conflict_graph): Build a conflict graph.
302 (print_exprs): Common debug output routine.
303 (abnormal_corrupt): Output info about a failed coalesce across an
305 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
306 (create_outofssa_var_map): Create a var map and coalesce list.
307 (attempt_coalesce): Coalesce a pair.
308 (coalesce_partitions): Coalesce all pairs in a coalesce list.
309 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
310 * tree-ssa-live.c: Remove header files which aren't needed.
311 (var_map_base_init): New. Initialize a basevar list.
312 (var_map_base_fini): New. Finish a basevar list.
313 (init_var_map): Initialize new fields.
314 (delete_var_map): Free new fields.
315 (var_union): Use renamed fields.
316 (compact_var_map): Remove.
317 (partition_to_view_init): Use renamed fields, change order of an if.
318 (partition_view_fini): Use renamed fields.
319 (partition_view_normal): Create basevar list if requested.
320 (partition_view_bitmap): Create a view based on a bitmap of partitions.
321 (change_partition_var): Use renamed fields.
322 (create_ssa_var_map): Remove.
323 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
324 root_var_init): Remove.
325 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
326 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
327 compare_pairs, num_coalesce_pairs, first_partition_pair,
328 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
329 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
330 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
331 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
332 (dump_var_map): Use renamed fields.
333 * tree-ssa-live.h (struct _var_map): Modify fields.
334 (partition_to_var, version_to_var, var_to_partition): Use renamed
336 (basevar_index): New. Index of the base variable of a partition.
337 (num_basevars): New. Number of unique base variables in partition map.
338 (register_ssa_partition): Use renamed fields.
339 (struct tree_partition_associator_d): Remove.
340 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
341 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
342 root_var, root_var_first_partition, root_var_next_partition,
343 root_var_dump, root_var_delete, root_var_remove_partition,
344 root_var_find, root_var_compact, root_var_decompact): Remove.
345 (struct partition_pair, struct coalesce_list_d): Moved to
347 * tree-ssa-ter.c: Remove header files which aren't needed.
349 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
351 * cse.c: (struct cse_basic_block_data): Remove LAST field.
352 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
354 (cse_visited_basic_blocks): New static bitmap.
355 (cse_end_of_basic_block, cse_basic_block): Remove.
356 (cse_find_path, cse_dump_path, cse_prescan_path,
357 cse_extended_basic_block): New static functions.
358 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
359 basic block boundaries. Don't record jump equivalences here.
360 Update the CFG after doing in-place replacement of the SET_SRC.
361 (cse_main): Rewrite. Look for extended basic block headers
362 and call cse_extended_basic_block on them until all paths that
363 start at this header are exhausted.
364 (rest_of_handle_cse): Verify that the CFG is incrementally updated
365 and correct after cse_main.
366 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
367 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
368 (pass_cse): Add TODO_verify_flow.
369 (pass_cse2): Likewise.
371 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
373 * reload1.c (choose_reload_regs): Don't set byte offset when
374 resolving subregs of hard regs.
376 2006-12-09 Zack Weinberg <zackw@panix.com>
378 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
379 suitable for the language, if set_yydebug is true.
380 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
381 YYDEBUG or declare yydebug.
382 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
384 2006-12-09 Jan Hubicka <jh@suse.cz>
386 * cgraph.c: Update copyright.
388 (cgraph_update_pending_function): Remove prototype.
389 * cgraphunit.c: Update copyright; update overall comment.
390 (cgraph_assemble_pending_functions): Make local.
392 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
394 * haifa-sched.c (schedule_block): Remove excessive sanity check.
396 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
398 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
400 (cpat_const_p, gen_cpat_const): Add.
401 * config/spu/spu.c (immediate_class): New enum.
402 (cpat_info, classify_immediate): New.
403 (print_operand): Use S, D, T instead of F, G, H. Use
404 classify_immediate. Handle cpat cases.
405 (spu_split_immediate): Renamed from spu_split_address. Split all
406 immediates that can be split.
407 (immediate_load_p): Use classify_immediate.
408 (spu_legitimate_constant_p): Accept everything except some cases of
410 (spu_expand_move): Use spu_split_immedate.
411 (fsmbi_const_p): Use classify_immediate.
413 (gen_cpat_const: New.
414 * config/spu/constraints.md (j,k,l): New constraints for cpat
416 * config/spu/spu.md (unnamed splitter): Change address splitter to
417 handle all immediates.
418 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
420 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
423 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
426 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
427 patterns. Correct length of high:DI instruction sequence.
429 2006-12-08 Mike Stump <mrs@apple.com>
431 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
432 libgcc with -mmacosx-version-min=10.4.
433 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
434 G4 for 10.5+ unless doing kernel builds.
436 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
439 * reg-stack.c (convert_regs_entry): Mark current argument passing
442 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
443 of float arguments in x87 registers.
445 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
447 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
449 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
451 * recog.c (mode_dependent_address_p): Identify pre-increment,
452 pre-decrement, post-increment and post-decrement addressing as always
453 being mode-dependent.
454 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
455 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
456 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
457 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
458 PRE_INC and POST_INC checks.
459 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
460 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
461 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
462 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
463 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
464 PRE_INC, POST_DEC and POST_INC cases.
465 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
466 Delete POST_INC and PRE_DEC cases.
467 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
469 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
470 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
472 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
473 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
474 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
475 PRE_INC and PRE_DEC cases.
476 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
477 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
478 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
479 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
480 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
481 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
482 auto-increment cases.
483 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
484 auto-increment cases.
485 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
487 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
489 * Makefile.in: Add new file tree-ssa-ter.c.
490 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
491 free_temp_expr_table, add_value_to_version_list,
492 add_value_to_partition_list, remove_value_from_partition_list,
493 add_dependence, check_replaceable, finish_expr, mark_replaceable,
494 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
495 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
496 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
498 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
499 (struct value_expr_d): Remove.
500 (struct temp_expr_table_d): Rename fields, add explicit vector of
501 replaceable expressions instead of sharing. Change value_expr_p's to
502 bitmap. Delete free_list.
503 (new_temp_expr_table): Rename fields, count number of ssa_names in
505 (free_temp_expr_table): Rename field, free new fields.
506 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
507 add_info_to_list, remove_value_from_list): Delete.
508 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
509 (make_dependent_on_partition): New. Set bit in version list, allocating
511 (add_to_partition_kill_list): New. Set bit in the partition list,
512 allocating a bitmap if need be.
513 (remove_from_partition_kill_list): New. Remove a bit from the
514 partition list, free the bitmap if it is empty.
515 (add_dependence): Use renamed field, cleanup. Don't add a dependence
516 on partitions with only one member.
517 (is_replaceable_p): New. Split out replaceability check from
519 (process_replaceable): New. Code split from check_replaceable.
520 (check_replaceable): Removed.
521 (finished_with_expr): Renamed from finish_expr.
522 (kill_expr): Use renamed fields and less parameters.
523 (kill_virtual_exprs): Less parameters.
524 (mark_replaceable): Use renamed fields.
525 (find_replaceable_in_bb): Use renamed fields, cleanup.
526 (find_replaceable_exprs): Use renamed routines, cleanup.
527 (dump_replaceable_exprs): Don't go past end of ssa_names list.
528 (debug_ter): New. Debug routine to dump state.
530 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
532 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
533 anything involving the GOT.
534 (bfin_adjust_cost): Don't take the REGNO of a MEM.
535 (trapping_loads_p): Look inside the pattern of an insn to find the
537 * config/bfin/bfin.md (attr "type"): Add movcc.
538 (insn_reservation "alu"): Likewise.
539 (movsicc_insn1, movsicc_insn2): Change type to movcc.
541 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
543 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
544 (spu_resolve_overloaded_builtin): Check for non scalar instead
545 of vector type and check the function call argument type also for
547 Call build_function_call instead of spu_build_overload_builtin.
549 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
551 * config/spu/spu.c (array_to_constant): Correct the order of arguments
552 to the calls of hwint_to_const_double.
554 2006-12-07 Nick Clifton <nickc@redhat.com>
556 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
557 elf_record_gcc_switches.
559 2006-12-07 Andrew Macleod <amacleod@redhat.com>
561 * expr.c (string_constant): Account for non-zero lower bound arrays.
563 2006-12-07 Richard Guenther <rguenther@suse.de>
565 * builtins.c (expand_builtin_pow): Adjust predicates for
566 pow to cbrt expansion to unsafe math and !HONOR_NANS for
569 2006-12-07 Jan Hubicka <jh@suse.cz>
571 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
574 2006-12-07 Jan Hubicka <jh@suse.cz>
576 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
577 use fold_constant_to_binary; tolerate wrong type constants.
578 (value_intersect_p): Do just two tests.
580 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
582 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
583 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
584 lshifthi3): Use it, and fix the order of alternatives.
586 2006-12-07 Nick Clifton <nickc@redhat.com>
588 * common.opt (record-gcc-switches): New command line switch.
589 * target.h (print_switch_type): New enum.
590 (print_switch_fn_type): New typedef for a function pointer.
591 (struct gcc_target): Add record_gcc_switches and
592 record_gcc_switches_section fields.
593 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
595 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
597 * toplev.c (print_single_switch): Simplify by providing a
598 pointer to function that will format and output the switch
600 (print_switch_values): Likewise.
601 (print_to_asm_out_file): New function.
602 (print_to_stderr): New function.
603 (init_asm_output): If flag_record_gcc_switches is set then if
604 the target supports recording the switches then emit them into
605 the assembler output file, otherwise tell the user that the
606 switch is not supported.
607 * varasm.c (eld_record_gcc_switches): New function. Example
608 handler for the record_gcc_switches target hook.
609 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
611 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
612 * doc/invoke.texi (-frecord-gcc-switches): Document.
614 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
617 * sched-rgn.c (add_block1): Use correct initializer.
619 2006-12-07 Richard Guenther <rguenther@suse.de>
621 * tree-vect-transform.c (vectorizable_call): Fix leftover of
622 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
624 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
627 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
628 not GIMPLE_MODIFY_STMT.
630 2006-12-06 Jan Hubicka <jh@suse.cz>
632 * tree-vrp.c (operand_less_p): New.
633 (compare_values, value_inside_range): Rewrite in terms of
636 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
638 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
640 (length_immediate): Do not depend on cld type attribute.
641 (length_address): Ditto.
644 (cld): Remove insn pattern.
645 (strmov_singleop): Do not use DIRFLAG_REG.
646 (*strmovdi_rex_1): Ditto.
647 (*strmovsi_1): Ditto.
648 (*strmovsi_rex_1): Ditto.
649 (*strmovhi_1): Ditto.
650 (*strmovhi_rex_1): Ditto.
651 (*strmovqi_1): Ditto.
652 (*strmovqi_rex_1): Ditto.
654 (*rep_movdi_rex64): Ditto.
656 (*rep_movsi_rex64): Ditto.
658 (*rep_movqi_rex64): Ditto.
659 (strset_singleop): Ditto.
660 (*strsetdi_rex_1): Ditto.
661 (*strsetsi_1): Ditto.
662 (*strsetsi_rex_1): Ditto.
663 (*strsethi_1): Ditto.
664 (*strsethi_rex_1): Ditto.
665 (*strsetqi_1): Ditto.
666 (*strsetqi_rex_1): Ditto.
668 (*rep_stosdi_rex64): Ditto.
669 (*rep_stossi): Ditto.
670 (*rep_stossi_rex64): Ditto.
671 (*rep_stosqi): Ditto.
672 (*rep_stosqi_rex64): Ditto.
673 (cmpstrnsi): Do not generate cld insn.
674 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
675 (*cmpstrnqi_nz_1): Ditto.
676 (*cmpstrnqi_nz_rex_1): Ditto.
677 (cmpstrnqi_1): Ditto.
678 (*cmpstrnqi_1): Ditto.
679 (*cmpstrnqi_rex_1): Ditto.
681 (*strlenqi_1): Ditto.
682 (*strlenqi_rex_1): Ditto.
684 * config/i386/geode.md (shift): Do not depend on cld type attribute.
685 * config/i386/pentium.md (pent_cld): Remove insn reservation.
686 * config/i386/athlon.md (athlon_decode): Do not depend on cld
688 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
689 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
691 (k6_alux_only_load): Ditto.
692 (k6_alux_only_store): Ditto.
694 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
695 Do not emit cld instruction.
696 (ix86_expand_setmem): Ditto.
697 (ix86_expand_strlen): Do not emit cld instruction.
699 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
701 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
704 2006-12-06 Diego Novillo <dnovillo@redhat.com>
706 * gdbinit.in: Set complaints to 0.
708 2006-12-06 Jan Hubicka <jh@suse.cz>
710 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
711 ALONE_MEM_STAT_DECL): New macros.
712 * bitmap.h: Include statistics.h
713 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
714 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
715 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
716 * bitmap.c: Include hashtab.h
717 (bitmap_descriptor): New.
718 (bitmap_hash): New static variable
719 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
720 New static functions.
721 (bitmap_register): New.
722 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
723 bitmap_obstack_release): Do accounting.
724 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
726 (bitmap_gc_alloc_stat): Likewise.
727 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
728 (print_statistics, dump_bitmap_statistics): New functions.
729 * toplev.c (finalize): Dump bitmap statistics.
731 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
733 * reload1.c (delete_output_reload): Count occurrences in
734 CALL_INSN_FUNCTION_USAGE.
735 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
736 crashing at the end of the list.
738 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
740 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
741 Optimize to avoid marking more SMT's as used when they aren't.
743 2006-12-05 Eric Christopher <echristo@apple.com>
745 * config/i386/i386.c (x86_output_aligned_bss): Move out
746 of COMMON_ASM_OP ifdef.
748 2006-12-05 Eric Christopher <echristo@apple.com>
750 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
751 (STARTFILE_SPEC): Use.
752 (DARWIN_DYLIB1_SPEC): New.
753 (DARWIN_CRT1_SPEC): New.
754 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
756 * config/i386/darwin.h: Ditto.
757 * config/rs6000/darwin.h: Ditto.
759 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
761 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
762 * tree-complex.c (pass_lower_complex): Ditto.
763 * tree-ssa-ccp.c (pass_ccp): Ditto.
764 (pass_store_ccp): Ditto.
765 * tree-ssa-dom.c (pass_dominator): Ditto.
766 (pass_phi_only_cprop): Ditto.
767 * tree-sra.c (pass_sra): Ditto.
768 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
769 * tree-flow.h (updating_used_alone): Remove.
770 (updating_used_alone): Ditto.
771 * tree-ssa-alias.c (updating_used_alone): Remove variable.
772 (lhs_may_store_to): Remove function.
773 (recalculate_used_alone): Ditto.
774 (compute_may_aliases): Remove used_alone calculation.
775 * tree.h (struct tree_memory_tag): Remove is_used_alone and
776 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
777 * tree-pass.h (PROP_smt_usage): Remove.
778 * passes.c (execute_todo): Remove used alone recalculation.
779 (execute_one_pass): Ditto.
780 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
783 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
785 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
787 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
789 PR tree-optimization/14784
790 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
792 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
794 Merge from gimple-tuples-branch.
796 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
798 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
800 (s390_gimplify_va_arg): Same.
801 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
802 * config/sh/sh.c (sh_va_start): Same.
803 (sh_gimplify_va_arg_expr): Same.
804 * config/xtensa/xtensa.c (xtensa_va_start): Same.
805 (xtensa_gimplify_va_arg_expr): Same.
806 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
807 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
808 * config/mips/mips.c (mips_va_start): Same.
809 (mips_gimplify_va_arg_expr): Same.
811 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
813 * Merge from mainline at revision 119445.
815 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
817 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
819 (spu_gimplify_va_arg_expr): Same.
821 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
823 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
824 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
825 (xstormy16_expand_builtin_va_arg): Same.
827 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
829 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
830 to GIMPLE_MODIFY_STMT.
832 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
834 * config/alpha/alpha.c (va_list_skip_additions): Change all
835 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
836 (alpha_va_start): Same.
837 (alpha_gimplify_va_arg_1): Same.
838 (alpha_gimplify_va_arg): Same.
840 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
842 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
844 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
846 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
847 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
849 * tree-complex.c: Same.
850 * tree-pretty-print.c: Same.
854 * fold-const.c: Same.
855 * tree-ssa-dom.c: Same.
856 * tree-ssa-propagate.c: Same.
857 * tree-ssa-alias.c: Same.
858 * gimple-low.c: Same.
860 * c-pretty-print.c: Same.
862 * tree-inline.c: Same.
863 * tree-outof-ssa.c: Same.
864 * tree-ssa-structalias.c: Same.
865 * tree-ssa-reassoc.c: Same.
868 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
870 * tree.c (build2_stat): Fix comment.
872 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
874 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
875 TREE_OPERAND when appropriate.
877 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
879 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
880 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
881 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
882 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
883 not handle GIMPLE_MODIFY_STMT in the switch statement.
884 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
885 (java_gimplify_new_array_init): Same.
887 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
889 * gimplify.c (gimplify_omp_for): Allow gimple statements.
890 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
891 * fold-const.c (fold_binary): Allow gimple statements.
893 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
894 Rename from gfc_conv_descriptor_data_set.
895 Call gfc_add_modify instead of gfc_add_modify_expr.
896 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
897 Rename from gfc_conv_descriptor_data_set.
898 (gfc_conv_descriptor_data_set): New macro.
899 (gfc_conv_descriptor_data_set_tuples): New macros.
900 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
901 gfc_conv_descriptor_data_set_tuples.
902 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
903 Generate GIMPLE_MODIFY_STMT when appropriate.
904 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
905 (gfc_add_modify_expr): New macro.
906 (gfc_add_modify_stmt): New macro.
907 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
909 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
911 * Merge from mainline at revision 118200.
913 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
915 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
918 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
920 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
922 Also, add __extension__ to GCC versions.
923 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
924 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
927 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
929 * tree-complex.c (expand_complex_libcall): Adjust for
931 (expand_complex_comparison): Same.
932 * tree-pretty-print.c (dump_generic_node): Is_expr should include
933 GIMPLE_STMT_P statements.
934 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
936 (tree_mod_pow2_value_transform): Same.
937 (tree_mod_subtract_transform): Same.
938 * tree.c (build2_stat): Check for gimplified function in cfun.
939 * tree.h (DECL_GIMPLIFIED): Delete.
940 (struct tree_function_decl): Remove gimplified_flag.
941 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
942 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
943 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
944 (cxx_omp_clause_copy_ctor): Same.
945 (cxx_omp_clause_assign_op): Same.
946 * c-pretty-print.c (pp_c_conditional_expression): Same.
947 (pp_c_expression): Same.
948 * langhooks.c (lhd_omp_predetermined_sharing): Same.
949 * function.h (struct function): Add gimplified field.
950 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
952 (find_phi_replacement_condition): Same.
953 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
954 (gimplify_modify_expr_to_memset): Same.
955 (gimplify_init_ctor_eval_range): Same.
956 (gimplify_modify_expr_complex_part): Same.
957 (tree_to_gimple_tuple): Same.
958 (gimplify_modify_expr): Same.
959 (gimple_push_cleanup): Same.
960 (gimplify_omp_for): Same.
961 (gimplify_omp_atomic_pipeline): Same.
962 (gimplify_omp_atomic_mutex): Same.
963 (gimplify_expr): Same.
964 (gimplify_one_sizepos): Same.
965 (gimplify_function_tree): Same.
966 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
967 (vect_recog_widen_sum_pattern): Same.
968 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
969 (vect_create_epilog_for_reduction): Same.
970 (vectorizable_reduction): Same.
972 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
974 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
975 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
976 (ifc_temp_var): Same.
977 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
978 for gimple statements.
979 (vect_analyze_operations): Same.
980 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
981 * gimplify.c (gimplify_return_expr): Handle gimple statements.
982 * lambda-code.c (can_put_in_inner_loop): Same.
983 (can_put_after_inner_loop): Same.
984 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
985 (vect_create_data_ref_ptr): Same.
986 (vect_init_vector): Same.
987 (vect_get_vec_def_for_operand): Same.
988 (vect_create_epilog_for_reduction): Same.
989 (vectorizable_reduction): Same.
990 (vectorizable_assignment): Same.
991 (vectorizable_operation): Same.
992 (vectorizable_load): Same.
993 (vectorizable_condition): Same.
994 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
995 (rs6000_gimplify_va_arg): Same.
997 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
999 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1000 GIMPLE_STMT_OPERAND.
1001 (simplify_abs_using_ranges): Same.
1002 * tree-complex.c (expand_complex_operations_1): Use
1003 PROTECTED_TREE_OPERAND.
1004 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1006 (get_val_for): Use GIMPLE_STMT_OPERAND.
1007 * tree-tailcall.c (adjust_accumulator_values): Same.
1008 (adjust_return_value): Same.
1009 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1010 case. Remove special case for tcc_gimple_stmt.
1011 * tree.h (CAN_HAVE_LOCATION_P): New.
1012 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1014 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1015 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1016 * tree-nrv.c (execute_return_slot_opt): Same.
1017 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1018 * tree-vn.c (set_value_handle): Same.
1019 (get_value_handle): Same.
1020 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1021 * tree-vectorizer.c (find_loop_location): Same.
1022 * c-typeck.c (c_process_expr_stmt): Same.
1023 (c_finish_stmt_expr): Same.
1024 * gimplify.c (should_carry_locus_p): Same.
1025 (tree_to_gimple_tuple): Delete definition and use of unecessary
1026 variable save_tree_block.
1027 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1028 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1029 (realify_fake_stores): Same.
1030 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1032 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1033 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1034 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1035 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1036 (c_parser_statement_after_labels): Same.
1037 (c_parser_paren_condition): Same.
1038 (c_parser_for_statement): Same.
1039 (c_parser_omp_for_loop): Same.
1040 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1041 (linearize_expr_tree): Same.
1042 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1043 * function.c (instantiate_expr): Same.
1045 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1047 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1048 (set_expr_location): Same.
1050 (set_expr_locus): Same.
1051 (expr_filename): Same.
1052 (expr_lineno): Same.
1053 (tree_block): Use GIMPLE_STMT_BLOCK.
1054 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1055 * tree.h (struct gimple_stmt): Remove prev and next.
1056 (GIMPLE_STMT_OPERAND_CHECK): New.
1057 (TREE_TO_GIMPLE_STMT): Delete.
1058 (GIMPLE_STMT_TO_TREE): Delete.
1059 (GIMPLE_STMT_OPERAND): Use union, not cast.
1060 (GIMPLE_STMT_LOCUS): New.
1061 (GIMPLE_STMT_BLOCK): New.
1062 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1064 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1066 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1068 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1070 * tree-tailcall.c (adjust_return_value): Same.
1071 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1072 (copy_node_stat): Change common.base to base.
1073 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1074 Remove GIMPLE_STATEMENT_LIST case.
1075 * tree.h (struct gimple_stmt): Make operands of type tree.
1076 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1077 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1078 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1079 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1080 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1081 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1082 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1083 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1084 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1085 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1086 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1087 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1088 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1089 Change common.base to base.
1090 (GIMPLE_STATEMENT_LIST*): Remove.
1091 (union tree_node): Add base. Remove gimple_statement_list.
1092 Remove pointer from gstmt.
1093 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1094 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1095 * tree-vn.c (vn_compute): Change common.base to base.
1096 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1097 * tree-flow-inline.h (var_ann): Same.
1098 (function_ann): Same.
1100 (mark_non_addressable): Same.
1101 * gimplify.c (tree_to_gimple_tuple): Same.
1102 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1103 * tree-dfa.c (create_var_ann): Change common.base to base.
1104 (create_function_ann): Same.
1105 (create_stmt_ann): Same.
1106 (create_tree_ann): Same.
1107 (collect_dfa_stats_r): Same.
1108 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1109 * tree-ssa-dce.c (NECESSARY): Same.
1110 * tree-ssa.c (delete_tree_ssa): Same.
1111 * tree-optimize.c (execute_free_cfg_annotations): Same.
1112 * tree-flow.h: Same.
1114 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1116 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1117 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1119 * tree.h (struct gimple_stmt): Add prev and next fields.
1120 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1121 (GIMPLE_STATEMENT_LIST_HEAD): New.
1122 (GIMPLE_STATEMENT_LIST_TAIL): New.
1123 (struct gimple_statement_list): New.
1124 (union tree_node): Add gimple_stmt_list and gstmt.
1125 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1126 * tree.def: Add GIMPLE_STATEMENT_LIST.
1128 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1130 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1131 * tree-vrp.c (build_assert_expr_for): Change uses of
1132 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1133 (find_assert_locations): Same.
1134 (remove_range_assertions): Same.
1135 (stmt_interesting_for_vrp): Same.
1136 (vrp_visit_assignment): Same.
1137 (vrp_visit_stmt): Same.
1138 (simplify_cond_using_ranges): Same.
1139 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1141 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1142 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1144 (determine_invariantness_stmt): Same.
1145 (schedule_sm): Same.
1146 (gather_mem_refs_stmt): Same.
1147 * tree-complex.c (init_dont_simulate_again): Same.
1148 (complex_visit_stmt): Same.
1149 (set_component_ssa_name): Same.
1150 (expand_complex_move): Same.
1151 (expand_complex_div_wide): Same.
1152 (expand_complex_comparison): Same.
1153 (expand_complex_operations_1): Same.
1154 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1155 (chain_of_csts_start): Same.
1156 (infer_loop_bounds_from_undefined): Same.
1157 * tree-pretty-print.c (dump_generic_node): Same.
1159 (op_symbol_1): Same.
1160 * tree-ssa-loop-manip.c (create_iv): Same.
1161 * value-prof.c (tree_divmod_fixed_value): Same.
1162 (tree_divmod_fixed_value_transform): Same.
1163 (tree_mod_pow2): Same.
1164 (tree_mod_pow2_value_transform): Same.
1165 (tree_mod_subtract): Same.
1166 (tree_mod_subtract_transform): Same.
1167 (tree_divmod_values_to_profile): Same.
1168 * tree-tailcall.c (process_assignment): Same.
1169 (find_tail_calls): Same.
1170 (adjust_accumulator_values): Same.
1171 (adjust_return_value): Same.
1172 (eliminate_tail_call): Same.
1173 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1174 (make_node_stat): Same.
1175 (copy_node_stat): Handle gimple tuples.
1176 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1177 (tree_node_structure): Handle tcc_gimple_stmt.
1178 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1180 (build2_gimple_stat): New.
1181 (expr_location): New.
1182 (set_expr_location): New.
1183 (expr_has_location): New.
1185 (set_expr_locus): New.
1186 (expr_filename): New.
1188 (walk_tree): Handle tcc_gimple_stmt.
1190 (protected_tree_operand): New.
1191 (protected_tree_type): New.
1192 (tree_code_kind): Add gimple statements.
1193 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1194 (IS_GIMPLE_STMT_CODE_CLASS): New.
1195 (struct tree_base): New.
1196 (struct tree_common): Shrink.
1197 (struct gimple_stmt): New.
1198 (struct gimple_expr): New.
1199 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1200 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1201 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1202 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1203 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1204 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1205 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1206 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1207 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1208 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1209 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1210 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1211 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1212 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1213 Adjust for new `common' layout.
1214 (struct tree_function_decl): Add gimplified_flag.
1215 (DECL_GIMPLIFIED): NEW.
1216 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1217 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1218 EXPR_HAS_LOCATION): Call corresponding function.
1219 (GIMPLE_STMT_CHECK): New.
1220 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1221 (TREE_BLOCK): Call tree_block.
1222 (GIMPLE_STMT_P): New.
1223 (GIMPLE_TUPLE_P): New.
1224 (TREE_TO_GIMPLE_STMT): New.
1225 (GIMPLE_STMT_TO_TREE): New.
1226 (GIMPLE_STMT_OPERAND): New.
1227 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1228 (PROTECTED_TREE_OPERAND): New.
1229 (PROTECTED_TREE_TYPE): New.
1230 (build2_gimple_stat): Protoize.
1231 (build2_gimple): New.
1232 (expr_location): Protoize.
1233 (set_expr_location): Protoize.
1234 (expr_has_location): Protoize.
1235 (expr_locus): Protoize.
1236 (set_expr_locus): Protoize.
1237 (expr_filename): Protoize.
1238 (expr_lineno): Protoize.
1239 (tree_block): Protoize.
1240 (protected_tree_operand): Protoize.
1241 (protected_tree_type): Protoize.
1242 (enum tree_node_kind): Add gimple_stmt_kind.
1243 * c-decl.c (union lang_tree_node): Tuples do not have a
1245 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1246 GIMPLE_MODIFY_STMT and adjust accordingly.
1247 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1248 (interpret_condition_phi): Same.
1249 (pointer_used_p): Same.
1250 (analyze_scalar_evolution_1): Same.
1251 (scev_const_prop): Same.
1252 (interpret_rhs_modify_stmt): Rename from
1253 interpret_rhs_modify_expr.
1254 * builtins.c (std_expand_builtin_va_start): Change uses of
1255 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1256 (std_gimplify_va_arg_expr): Same.
1257 (expand_builtin_va_copy): Same.
1258 (integer_valued_real_p): Same.
1259 * fold-const.c (maybe_lvalue_p): Same.
1261 (tree_expr_nonnegative_p): Same.
1262 (tree_expr_nonzero_p): Same.
1263 * omp-low.c (extract_omp_for_data): Same.
1264 (lower_rec_input_clauses): Same.
1265 (lower_reduction_clauses): Same.
1266 (lower_copyprivate_clauses): Same.
1267 (lower_send_clauses): Same.
1268 (lower_send_shared_vars): Same.
1269 (expand_parallel_call): Same.
1270 (expand_omp_parallel): Same.
1271 (expand_omp_for_generic): Same.
1272 (expand_omp_for_static_nochunk): Same.
1273 (expand_omp_for_static_chunk): Same.
1274 (expand_omp_sections): Same.
1275 (lower_omp_single_copy): Same.
1276 (lower_omp_parallel): Same.
1277 * tree-ssa-dse.c (memory_address_same): Same.
1278 (dse_optimize_stmt): Same.
1279 * ipa-reference.c (scan_for_static_refs): Same.
1280 * tree-gimple.c (is_gimple_reg_rhs): Same.
1281 (get_call_expr_in): Same.
1282 (recalculate_side_effects): Same.
1283 * cgraphunit.c (cgraph_create_edges): Same.
1284 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1285 * tree-ssa-ccp.c (get_default_value): Same.
1286 (likely_value): Same.
1287 (visit_assignment): Same.
1288 (ccp_visit_stmt): Same.
1289 (get_maxval_strlen): Same.
1290 (ccp_fold_builtin): Same.
1291 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1292 (find_givs_in_stmt): Same.
1293 (find_interesting_uses_op): Same.
1294 (find_interesting_uses_stmt): Same.
1295 (rewrite_use_nonlinear_expr): Same.
1296 * ipa-pure-const.c (scan_function): Same.
1297 * tree-stdarg.c (va_list_counter_bump): Same.
1298 (check_all_va_list_escapes): Same.
1299 (execute_optimize_stdarg): Same.
1300 * tree-ssa-math-opts.c (compute_merit): Same.
1301 (insert_reciprocals): Same.
1302 (execute_cse_reciprocals): Same.
1303 * tree-ssa-dom.c (initialize_hash_element): Same.
1304 (simple_iv_increment_p): Same.
1305 (record_equivalences_from_stmt): Same.
1306 (optimize_stmt): Same.
1307 (remove_stmt_or_phi): Same.
1308 (get_rhs_or_phi_arg): Same.
1309 (get_lhs_or_phi_result): Same.
1310 (propagate_rhs_into_lhs): Same.
1311 * tree-nrv.c (tree_nrv): Same.
1312 (execute_return_slot_opt): Same.
1313 * tree-ssa-propagate.c (get_rhs): Same.
1315 (stmt_makes_single_load): Same.
1316 (stmt_makes_single_store): Same.
1317 (replace_vuses_in): Same.
1318 (fold_predicate_in): Same.
1319 (substitute_and_fold): Same.
1320 * tree-ssa-alias.c (compute_call_clobbered): Same.
1321 (recalculate_used_alone): Same.
1322 (count_uses_and_derefs): Same.
1323 (is_escape_site): Same.
1324 (find_used_portions): Same.
1325 * gimple-low.c (lower_stmt): Same.
1326 (block_may_fallthru): Same.
1327 (lower_return_expr): Same.
1328 * tree-ssa-sink.c (is_hidden_global_store): Same.
1329 (statement_sink_location): Same.
1330 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1331 * expr.c (safe_from_p): Same.
1332 (expand_expr_real): Same.
1333 (expand_expr_real_1): Same.
1334 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1335 * predict.c (expr_expected_value): Same.
1336 (strip_builtin_expect): Same.
1337 (apply_return_prediction): Same.
1338 (tree_bb_level_predictions): Same.
1339 (tree_estimate_probability): Same.
1340 * tree-vn.c (vn_compute): Same.
1341 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1342 (remove_stmt_from_eh_region_fn): Same.
1343 (do_return_redirection): Same.
1344 (honor_protect_cleanup_actions): Same.
1345 (lower_try_finally_switch): Same.
1346 (lower_eh_constructs_1): Same.
1347 (tree_could_throw_p): Same.
1348 (verify_eh_throw_stmt_node): Same.
1349 * function.c (gimplify_parameters): Same.
1350 * tree-vectorizer.c (vect_is_simple_use): Same.
1351 (vect_is_simple_reduction): Same.
1352 * ipa-type-escape.c (scan_for_refs): Same.
1353 * tree-if-conv.c (tree_if_conversion): Same.
1354 (tree_if_convert_stmt): Same.
1355 (if_convertible_gimplify_modify_stmt_p): Rename from
1356 if_convertible_modify_expr_p.
1357 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1358 (ifc_temp_var): Same.
1359 (replace_phi_with_cond_modify_stmt): Rename from
1360 replace_phi_with_cond_modify_expr.
1361 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1362 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1363 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1365 * tree-flow-inline.h (var_ann): Same.
1366 (function_ann): Same.
1368 (mark_non_addressable): Same.
1369 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1370 * gimplify.c (tree_to_gimple_tuple): New.
1371 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1372 (gimplify_return_expr): Same.
1373 (gimplify_decl_expr): Same.
1374 (gimplify_self_mod_expr): Same.
1375 (gimplify_cond_expr): Same.
1376 (gimplify_init_constructor): Same.
1377 (gimplify_modify_expr): Same.
1378 (gimplify_expr): Same.
1379 (gimplify_function_tree): Same.
1380 (force_gimple_operand): Same.
1381 * tree-ssa-phiopt.c (conditional_replacement): Same.
1382 (minmax_replacement): Same.
1383 (abs_replacement): Same.
1384 * tree-dfa.c (create_var_ann): Same.
1385 (create_function_ann): Same.
1386 (create_stmt_ann): Same.
1387 (create_tree_ann): Same.
1388 (collect_dfa_stats_r): Same.
1389 * tree-ssa-pre.c (find_or_generate_expression): Same.
1390 (create_expression_by_pieces): Same.
1391 (try_look_through_load): Same.
1392 (insert_fake_stores): Same.
1393 (realify_fake_stores): Same.
1394 (compute_avail): Same.
1397 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1398 Adjust for GIMPLE_MODIFY_STMT.
1399 (NECESSARY): Adjust for new `common' layout.
1400 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1402 * tree-sra.c (sra_walk_modify_stmt): Rename from
1403 sra_walk_modify_expr.
1404 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1405 (generate_copy_inout): Same.
1406 (generate_element_copy): Same.
1407 (generate_element_zero): Same.
1408 (scalarize_copy): Same.
1409 * tree-mudflap.c (mf_decl_cache_locals): Same.
1410 (mf_build_check_statement_for): Same.
1411 (mf_xform_derefs): Same.
1412 * ipa-prop.c (ipa_method_modify_stmt): Same.
1413 * print-tree.c (print_node): Handle gimple tuples.
1414 Add case for tcc_gimple_stmt.
1415 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1417 (copy_prop_visit_assignment): Same.
1418 (copy_prop_visit_stmt): Same.
1419 (init_copy_prop): Same.
1420 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1421 (forward_propagate_into_cond_1): Same.
1422 (find_equivalent_equality_comparison): Same.
1423 (tidy_after_forward_propagate_addr): Same.
1424 (forward_propagate_addr_expr_1): Same.
1425 (simplify_not_neg_expr): Same.
1426 (simplify_switch_expr): Same.
1427 * tree-ssa-dce.c (find_pdom): Same.
1428 (mark_stmt_if_obviously_necessary): Same.
1429 (NECESSARY): Adjust for new `common' layout.
1430 * tree-flow.h: Same.
1431 * tree-vect-patterns.c (widened_name_p): Adjust for
1433 (vect_recog_dot_prod_pattern): Same.
1434 (vect_recog_widen_sum_pattern): Same.
1435 (vect_pattern_recog_1): Same.
1436 * tree-nested.c (init_tmp_var): Same.
1437 (save_tmp_var): Same.
1439 (convert_call_expr): Same.
1440 (finalize_nesting_tree_1): Same.
1441 * tree-ssa.c (verify_ssa): Same.
1442 (delete_tree_ssa): Same.
1443 * lambda-code.c (lbv_to_gcc_expression): Same.
1444 (lle_to_gcc_expression): Same.
1445 (lambda_loopnest_to_gcc_loopnest): Same.
1446 (can_put_in_inner_loop): Same.
1447 (can_convert_to_perfect_nest): Same.
1448 (perfect_nestify): Same.
1449 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1450 * tree-inline.c (copy_body_r): Same.
1451 (setup_one_parameter): Same.
1452 (initialize_inlined_parameters): Same.
1453 (estimate_num_insns_1): Same.
1454 (expand_call_inline): Same.
1455 (gimple_expand_calls_inline): Same.
1456 (copy_tree_r): Same.
1457 * tree-optimize.c (execute_free_cfg_annotations): Same.
1458 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1459 (vect_align_data_ref): Same.
1460 (vect_create_data_ref_ptr): Same.
1461 (vect_init_vector): Same.
1462 (vect_create_epilog_for_reduction): Same.
1463 (vectorizable_reduction): Same.
1464 (vectorizable_assignment): Same.
1465 (vectorizable_operation): Same.
1466 (vectorizable_store): Same.
1467 (vectorizable_load): Same.
1468 (vectorizable_live_operation): Same.
1469 (vectorizable_condition): Same.
1470 (vect_generate_tmps_on_preheader): Same.
1471 (vect_create_cond_for_align_checks): Same.
1472 * tree-object-size.c (collect_object_sizes_for): Same.
1473 (check_for_plus_in_loops_1): Same.
1474 (check_for_plus_in_loops): Same.
1475 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1476 (replace_use_variable): Same.
1477 (check_replaceable): Same.
1478 (rewrite_trees): Same.
1479 (identical_copies_p): Same.
1480 (insert_backedge_copies): Same.
1481 * tree-profile.c (tree_gen_edge_profiler): Same.
1482 * tree-vect-generic.c (expand_vector_operations_1): Same.
1483 * tree-ssa-structalias.c (update_alias_info): Same.
1484 (find_func_aliases): Same.
1485 * tree-cfg.c (factor_computed_gotos): Same.
1487 (make_goto_expr_edges): Same.
1488 (tree_merge_blocks): Same.
1489 (remove_useless_stmts_cond): Same.
1490 (remove_useless_stmts_1): Same.
1491 (tree_find_edge_insert_loc): Same.
1492 (verify_expr): Same.
1493 (gimplify_val): Same.
1494 (verify_gimple_tuples_1): New.
1495 (verify_gimple_tuples): New.
1496 (verify_stmts): Call verify_gimple_tuples.
1497 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1498 (get_unary_op): Same.
1499 (linearize_expr): Same.
1500 (get_single_immediate_use): Same.
1501 (negate_value): Same.
1502 (should_break_up_subtract): Same.
1503 (break_up_subtract): Same.
1504 (repropagate_negates): Same.
1505 (break_up_subtract_bb): Same.
1506 (reassociate_bb): Same.
1507 * config/i386/i386.c (ix86_va_start): Same.
1508 (ix86_gimplify_va_arg): Same.
1509 * stmt.c (expand_expr_stmt): Same.
1510 (warn_if_unused_value): Same.
1511 (expand_return): Same.
1512 * tree-ssanames.c (make_ssa_name): Same.
1513 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1514 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1515 (add_virtual_operand): Same.
1516 (get_expr_operands): Same.
1517 (parse_ssa_operands): Same.
1518 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1520 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1522 * config.host: Remove extra blank line.
1524 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1526 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1527 target is also an x86 variant.
1529 2006-12-05 Richard Guenther <rguenther@suse.de>
1531 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1532 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1533 (ix86_builtin_vectorized_function): New function to vectorize
1536 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1538 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1539 ia64_override_options.
1541 2006-12-04 Jan Hubicka <jh@suse.cz>
1543 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1546 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1548 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1549 * config/bfin/bfin.c: Include "timevar.h".
1550 (bfin_flag_schedule_insns2, splitting_for_sched,
1551 bfin_flag_var_tracking): New variables.
1552 (print_operand): Handle '%!'.
1553 (override_options): Disable normal sched2 pass, instead set
1554 bfin_flag_schedule_insns2 for reorg to handle it.
1555 (output_file_start): Likewise for var-tracking.
1556 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1557 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1559 (bfin_reorg): Do second scheduling pass here, and call
1560 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1561 of examining insns directly. If bfin_flag_var_tracking, call
1562 var-tracking pass when done with everything else.
1563 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1564 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1565 (movsi_insn32): New pattern, with two new splits to create it
1566 before the final scheduling pass.
1567 (neghi2): Not a dsp32 insn, rather alu0.
1568 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1569 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1570 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1571 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1572 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1573 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1574 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1575 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1576 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1577 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1578 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1579 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1580 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1581 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1582 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1583 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1584 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1585 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1586 variants instead of ';'.
1587 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1588 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1589 (align8, align16, align24): Now named patterns; also using '%!'.
1592 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1594 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1595 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1597 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1599 * config/spu/spu-protos.c (spu_split_address): Add.
1600 * config/spu/spu.c (spu_split_address): Add.
1601 (print_operand): Handle HIGH.
1602 (spu_legitimate_address): Don't test for aligned CONST.
1603 (spu_expand_mov): Don't split addresses here.
1604 * config/spu/constraints.md (A): Don't test legitimate_const.
1605 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1606 (ceq_di): Use correct predicates.
1608 2006-12-04 Eric Christopher <echristo@apple.com>
1610 * config/darwin.h: Update copyright notice.
1611 * config/i386/darwin.h: Ditto.
1613 2006-12-04 Jan Hubicka <jh@suse.cz>
1615 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1616 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1618 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1620 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1622 * tree-ssa-structalias.c (set_used_smts): Export.
1623 (find_what_p_points_to): Don't call set_used_smts here.
1624 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1626 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1628 * tree-ssa-alias.c (compute_may_aliases):
1629 Compute flow sensitive before flow insensitive.
1630 (compute_flow_sensitive_aliasing): Don't try to add
1631 a symbol memory tag to itself.
1633 * alias.h (alias_set_subset_of): New prototype.
1635 * alias.c (alias_set_subset_of): New function.
1637 * tree-ssa-structalias.c: Update comments.
1638 (struct variable_info): Add finished_solution.
1639 (new_varinfo): Set finished solution to NULL.
1640 (var_escaped_vars): Remove.
1641 (escaped_vars_tree): Remove.
1642 (escaped_vars_id): Remove.
1643 (nonlocal_vars_id): Remove.
1644 (constraint_expr_type): Add INCLUDES.
1645 (graph_size): Removed.
1646 (dump_constraint): Support INCLUDES.
1647 (build_constraint_graph): Ditto.
1648 (collapse_nodes): Add merge_solutions argument.
1649 Don't merge attributes.
1650 (process_unification_queue): Just use collapse_nodes.
1651 (perform_var_substitution): Update call to collapse_nodes.
1652 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1653 (process_constraint): Fix non-field sensitive handling
1655 (get_constraint_for): Use INCLUDES.
1656 (make_constraint_from_anything): Renamed from
1657 make_constraint_from_escaped.
1658 (make_constraint_to_escaped): Removed.
1659 (find_global_initializers): Removed.
1660 (create_variable_info_for): Do not make constraints to escaped
1662 (dump_solution_for_var): Don't print out the equivalent points-to
1663 sets, just use the name of the variable it shares it with.
1664 (intra_create_variable_infos): Use INCLUDES.
1665 Change nonlocal variable sets to anything sets.
1666 (init_base_vars): Remove escaped_vars and nonlocal_var
1668 (find_escape_constraints): Removed.
1669 (delete_points_to_sets): Remove dead code.
1670 (used_smt_calculated): New variable.
1671 (set_used_smts): New function.
1672 (merge_smts_into): New function.
1673 (find_what_p_points_to): Modify to use SMTs.
1674 (create_nonlocal_var): Remove.
1676 * tree-ssa-operands.c (access_can_touch_variable): Remove
1677 reference to nonlocal_all.
1679 * tree-ssa.c (verify_name_tags): Remove.
1681 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1683 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1684 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1686 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1688 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1689 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1690 (add_livein_if_notdef): Delete.
1691 (loe_visit_block): New. Propogate live on entry info for a block into
1692 each predecessor. If it changes, make sure it is visited again.
1693 (live_worklist): Visit every block and update the live on entry info
1694 for preds. Iterate over any that changed.
1695 (set_var_live_on_entry): Populate the live on entry blocks with bits
1696 based on the immediate uses of a var.
1697 (calculate_live_on_entry): Remove.
1698 (calculate_live_on_exit): Calculate live on exit based on the newly
1699 oriented live on entry bits.
1700 (calculate_live_ranges): Build live on entry and exit vectors.
1701 (dump_live_info): Use new orientation of live on entry bitmaps.
1702 (verify_live_on_entry): New. Split out verification code from old
1703 calculate_live_on_entry routine.
1704 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1705 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1706 basic_block instead of for a partition.
1707 (live_merge_and_clear): Add asserts.
1708 (make_live_on_entry): Set partition bit in basic block vector.
1710 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1713 * omp-low.c (expand_omp_for_static_nochunk,
1714 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1718 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1719 parallels if region->exit or region->inner->exit is NULL.
1720 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1722 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1723 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1724 or region->exit is NULL.
1725 (expand_omp_sections): Handle NULL region->cond or region->exit.
1728 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1730 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1731 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1733 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1735 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1736 TYPE_MAX_VALUE for scalar types here but...
1737 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1738 is attached an error mark, and the return value of the callback
1739 if it is not NULL_TREE.
1741 2006-12-04 Ben Elliston <bje@au.ibm.com>
1743 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1745 2006-12-03 Eric Christopher <echristo@apple.com>
1748 * config/t-slibgcc-darwin: Pass -install_name.
1749 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1750 libtool. Only pass through options that the linker recognizes.
1751 (LINK_SPEC): Update comment. Translate options.
1752 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1753 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1755 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1757 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1759 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1762 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1763 operands[1] in insn constraint. Correct type attribute to sselog1.
1765 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1768 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1770 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1771 processor detection.
1773 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1774 -march=native if there is no -mtune=*.
1776 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1779 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1781 * doc/install.texi: Update recommended MPFR version. Remove
1782 obsolete reference to cumulative patch.
1784 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1787 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1789 2006-11-30 Jan Hubicka <jh@suse.cz>
1790 Uros Bizjak <ubizjak@gmail.com>
1792 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1793 32bit memcpy/memset decriptors.
1794 (decide_alg): With -minline-all-stringops and sizes that are best
1795 to be copied via libcall still work hard enough to pick non-libcall
1798 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1800 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1802 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1803 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1804 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1805 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1806 config/spu/spu-c.c, config/spu/spu-modes.def,
1807 config/spu/spu.c, config/spu/spu.md,
1808 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1809 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1810 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1811 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1812 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1813 spelling conventions.
1815 * config/i386/i386.c: Fix a comment typo.
1817 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1819 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1820 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1821 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1822 better optimization.
1823 (floatv4siv4sf2): New.
1824 (fix_truncv4sfv4si2): New.
1825 (floatunsv4siv4sf2): New.
1826 (fixuns_truncv4sfv4si2): New.
1834 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1835 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1836 spu_resolve_overloaded_builtin instead of static inline functions.
1838 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1840 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1841 type instead of the size of its mode to compute the highest and
1842 lowest possible values. Still check the size of the mode before
1843 flipping the signedness of the comparison.
1845 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1847 * config/spu/predicates.md (spu_mov_operand): Add.
1848 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1849 (print_operand_address, print_operand): Handle addresses containing AND.
1850 (spu_split_load, spu_split_store): Use updated movti pattern.
1851 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1852 stores in mov patterns for correct operation of reload.
1853 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1855 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1858 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1860 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1862 * common.opt (ftree-combine-temps): Remove.
1863 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1864 (coalesce_ssa_name): Don't check for combine-temps.
1865 (coalesce_vars): Remove.
1866 (check_replaceable): Use num_imm_uses.
1867 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1868 check for combine-temps.
1869 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1870 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1871 to register_ssa_partition calls.
1872 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1873 (init_var_map, delete_var_map): remove refernces to ref_count.
1874 (create_ssa_var_map): Never calculate a ref count.
1875 (type_var_init): Remove.
1876 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1877 (SSA_VAR_MAP_REF_COUNT): Delete.
1878 (create_ssa_var_map): Change Prototype to have no parameters.
1879 (version_ref_count): Delete.
1880 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1882 (type_var_num, type_var, type_var_first_partition,
1883 type_var_next_partition, type_var_dump, type_var_delete,
1884 type_var_remove_partition, type_var_find, type_var_compact,
1885 type_var_decompact): Remove.
1887 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1889 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1892 2006-12-01 Richard Guenther <rguenther@suse.de>
1895 * dwarf2out.c (struct pubname_struct): Make name const.
1896 (add_pubtype): Do not xstrdup identifiers.
1898 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1900 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1901 multiword accesses are in range.
1903 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1905 PR tree-optimization/29921
1906 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1907 (set_lattice_value): Use canonicalize_float_value.
1909 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1911 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1912 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1913 (spu_cpu_cpp_builtins): Remove.
1914 (spu_override_options): Don't set warn_main.
1915 (spu_force_reg): Move from spu-c.c.
1916 (spu_check_builtin_parm): Likewise.
1917 (expand_builtin_args): Likewise.
1918 (spu_expand_builtin_1): Likewise.
1919 (spu_expand_builtin): Likewise.
1920 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1921 warn_main and targetm.resolve_overloaded_builtin.
1922 * config/spu/spu-c.c (spu_builtin_range): Remove.
1923 (spu_check_builtin_parm): Remove.
1924 (expand_builtin_args): Remove.
1925 (spu_expand_builtin_1): Remove.
1926 (spu_expand_builtin): Remove.
1927 (spu_cpu_cpp_builtins): Moved from spu.c
1928 (spu_force_reg): Remove.
1930 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1931 David Edelsohn <edelsohn@gnu.org>
1934 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1935 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1936 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1937 HARD_REGNO_NREGS_WITH_PADDING): Define.
1938 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1939 HARD_REGNO_NREGS_WITH_PADDING): Define.
1940 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1941 Use new macros to detect modes with holes; do not look at integer
1943 (subreg_offset_representable_p): Check for and disallow cases
1944 where the modes use different numbers of bits from registers.
1945 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1946 constant for soft-float.
1947 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1949 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1950 in E500 double case.
1951 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1952 (movtf_softfloat): New.
1954 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1956 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1957 simplify_gen_subreg.
1959 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1961 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1962 (COALESCE_HASH_FN): New. Define hash function.
1963 (partition_pair_map_hash): New. Hash value for a partition pair.
1964 (partition_pair_map_eq): New. Equality for hash pairs.
1965 (create_coalesce_list): Create hash table.
1966 (delete_coalesce_list): Free hash table.
1967 (find_partition_pair): Find/create pairs in hash table.
1968 (compare_pairs): Sort pairs in ascending order now.
1969 (num_coalesce_pairs): New. Number of pairs in hash table.
1970 (struct partition_pair_iterator): Iterator struct for pair table.
1971 (first_partition_pair): Iterator function for first pair.
1972 (end_partition_pair_p): Iterator function for end of iteration.
1973 (next_partition_pair): Iterator function for next pair.
1974 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1975 (sort_coalesce_list): Sort pairs from hash table into an array.
1976 (pop_best_coalesce): Take pairs from the array.
1977 (dump_coalesce_list): Update to use hash table or sorted array.
1978 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1979 (struct coalesce_list_d): Add hash table related fields.
1981 2006-11-30 Jan Hubicka <jh@suse.cz>
1984 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1985 memmove/bcopy->memcpy conversion.
1987 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1989 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1990 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1991 Default is the largest alignment supported for 32-bit ELF and
1992 representable on a 32-bit host.
1994 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1996 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1998 2006-11-30 Jan Hubicka <jh@suse.cz>
2000 * tree-ssa-operands.h (struct ssa_operands): New.
2001 * tree-flow-inline.h (gimple_ssa_operands): New function.
2002 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2003 * Makefile.in: Remove gt-tree-ssa-operands.h
2004 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2005 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2006 operand_memory, operand_memory_index, ops_active): Remove statics.
2007 (ALLOC_OPTYPE): Update.
2008 (operand_build_sort_virtual): Update.
2009 (ssa_operands_active): Update.
2010 (init_ssa_operands): Update.
2011 (fini_ssa_operands): Update.
2012 (ssa_operand_alloc): Update.
2013 (INITIALIZE_USE): Update.
2014 (finalize_ssa_use_ops): Update.
2015 (finalize_ssa_v_may_def_ops): Update.
2016 (finalize_ssa_vuse_ops): Update.
2017 (finalize_ssa_v_must_def_ops): Update.
2019 2006-11-30 Richard Guenther <rguenther@suse.de>
2021 * tree-vectorizer.h (vectorizable_function): Export.
2022 * tree-vect-transform.c (vectorizable_function): Likewise.
2023 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2024 type_in to scalar type in recognition of squaring.
2025 Make sure the target can vectorize sqrt in recognition
2026 of sqrt, set type_in to vector type in this case.
2028 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2030 * config/i386/i386.md (R10_REG): New constant.
2031 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2032 (ix86_emit_restore_regs_using_mov): Ditto.
2033 (ix86_expand_call): Ditto.
2034 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2036 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2038 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2039 * alias.c (canon_true_dependence): Update comment.
2041 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2043 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2044 at the end of a diagnostics message.
2046 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2047 until after asserting that it was allocated in the right pool.
2049 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2050 successor edge information as well. Make output of live regs
2051 on exit consistent with live regs on entry.
2053 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2056 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2057 insn patterns for TARGET_80387.
2058 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2059 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2060 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2061 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2062 Generate truncxf<mode>2 insn patterns for strict SSE math.
2064 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2066 * config/i386/i386.md (movsf_1): Enable pattern for standard
2067 80387 constants before reload when optimizing for size.
2068 (*movdf_nointeger, *movdf_integer): Ditto.
2069 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2070 80387 constants before reload when not optimizing for size.
2072 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2073 extension of XFmode input operands.
2075 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2077 * config/spu/crt0.c (__dso_handle): Define.
2079 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2081 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2082 when clearing the used flags.
2084 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2086 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2088 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2091 * config/spu/spu.md (extend_compare<mode>): New pattern.
2092 (extend_compare): Change to expand and use the above pattern.
2094 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2096 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2098 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2099 (DFP_INIT_ROUNDMODE): Define.
2100 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2101 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2103 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2105 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2106 Update documentation.
2107 (associate_line_notes_with_blocks): Kill.
2108 (extend_bb): Remove basic block argument, put void instead.
2109 Remove line number handling for each bb.
2110 (save_line_notes): Kill.
2111 (restore_line_notes): Kill.
2112 (sched_init): Remove line_note_head initialization.
2113 Change extend_bb call.
2114 (sched_finish): Remove free of line_note_head.
2115 (add_block): Change extend_bb call.
2116 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2117 rm_line_notes and restore_line_notes calls.
2118 (schedule_ebbs): Remove rm_redundant_line_notes.
2119 * sched-int.h (struct haifa_insn_data): Remove line_note.
2120 (save_line_notes): Remove declaration.
2121 (restore_line_notes): Remove declaration.
2122 * modulo-sched.c (loop_canon_p): Update debug info printing
2123 by using insn locators instead of line note.
2124 (sms_schedule): Update debug info printing, by using insn
2125 locators instead of line note.
2126 * sched-rgn.c (debug_dependencies): Remove handling of case
2127 n>0 (line number), since it's a dead code.
2128 (schedule_region): Remove save_line_notes and
2129 restore_line_notes calls.
2131 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2133 * config/rs6000/predicates.md (gpc_reg_operand): Check
2134 invalid_e500_subreg.
2135 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2136 SImode subregs of SPE vectors.
2137 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2138 * jump.c (true_regnum): Require subregs to satisfy
2139 subreg_offset_representable_p.
2141 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2142 Steven Bosscher <stevenb.gcc@gmail.com>
2144 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2145 since it no longer exists.
2147 2006-11-29 Duncan Sands <baldrick@free.fr>
2149 PR tree-optimization/23744
2150 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2152 2006-11-29 Duncan Sands <baldrick@free.fr>
2154 PR tree-optimization/23744
2155 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2157 2006-11-29 Duncan Sands <baldrick@free.fr>
2159 PR tree-optimization/23744
2160 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2162 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2164 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2166 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2168 * sh.opt (minline-ic_invalidate): New option.
2169 (musermode): Adjust comment.
2170 * sh.c (sh_initialize_trampoline): Emit library call unless
2171 is set; if it is set, don't emit library call if we can use icbi
2173 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2174 icbi for TARGET_SH4_300.
2175 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2176 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2177 -musermode documentation.
2179 2006-11-29 Jim Tison <jtison@us.ibm.com>
2181 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2182 __gthread_recursive_mutex_init): Define.
2184 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2186 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2187 STRICT_ALIGNMENT and the type is more aligned than the saved
2188 registers, copy via a temporary.
2190 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2193 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2196 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2198 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2200 2006-11-28 Jan Hubicka <jh@suse.cz>
2202 Privatize SSA variables into gimple_df.
2203 * tree-flow-inline.h
2204 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2205 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2206 gimple_nonlocal_all): New accessors.
2207 (first_referenced_var): Update.
2208 (mark_stmt_modified): Update.
2209 (is_call_clobbered): Update.
2210 (mark_call_clobbered): Update.
2211 (clear_call_clobbered): Update.
2212 (mark_non_addressable): Update.
2213 * tree-vrp.c (get_value_range): Update.
2214 * tree-into-ssa.c (in_ssa_p): Kill.
2215 (get_default_def_for): Update.
2216 (rewrite_into_ssa): Update.
2217 * tree-complex.c (init_parameter_lattice_values): Update.
2218 (update_complex_assignment): Update.
2219 (update_parameter_components): Update.
2220 (expand_complex_libcall): Update.
2221 (expand_complex_operations_1): Update.
2222 * tree-tailcall.c (arg_needs_copy_p): Update.
2223 (add_virtual_phis): Update.
2224 (tree_optimize_tail_calls_1): Update.
2225 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2226 * tree-ssa-copyrename.c
2227 (copy_rename_partition_coalesce): Update.
2228 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2229 * tree-ssa-propagate.c (set_rhs): Update.
2230 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2231 addressable_vars, global_var):Kill.
2232 (set_initial_properties): Update.
2233 (init_alias_info): Update.
2234 (finalize_ref_all_pointers): Update.
2235 (setup_pointers_and_addressables): Update.
2236 (maybe_create_global_var): Update.
2237 (create_global_var): Update.
2238 (dump_points_to_info): Update.
2239 * function.h (struct gimple_df): Forward declare.
2240 (struct function): Add GIMPLE_DF field.
2241 * gimplify.c (force_gimple_operand): Update.
2242 * tree-dfa.c (referenced_vars, default_defs): KIll.
2243 (make_rename_temp): Update.
2244 (dump_variable): Update.
2245 (referenced_var_lookup): Update.
2246 (referenced_var_check_and_insert): Update.
2247 (default_def): Rename to ...
2248 (gimple_default_def): ... this one; accept cfun argument.
2249 (set_default_def): Update.
2250 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2251 (cleanup_control_flow): Update.
2252 * tree-ssa-pre.c (compute_avail): Update
2253 * tree-ssa-live.c (calculate_live_on_entry): Update.
2254 * tree-ssa.c (verify_use): Update.
2255 (verify_call_clobbering): Update.
2256 (verify_call_clobbering): Update.
2257 (init_tree_ssa): Update.
2258 (delete_tree_ssa): Update.
2259 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2260 (rewrite_out_of_ssa): Update.
2261 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2262 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2264 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2265 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2266 addressable_vars, aliases_computed_p): Kill.
2267 (default_def): Rename to...
2268 (gimple_default_def): ... this one.
2269 (defaule_def_fn): Kill.
2270 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2271 * tree-ssa-structalias.c (nonlocal_all): Kill.
2272 (get_constraint_exp_from_ssa_var): Update.
2273 (create_nonlocal_var): Update.
2274 (get_constraint_for): Update.
2275 (update_alias_info): Update.
2276 (find_global_initializers): Update.
2277 (intra_create_variable_infos): Update.
2278 (intra_create_variable_infos):
2279 (find_what_p_points_to): Update.
2280 (init_alias_heapvars): Update.
2281 * tree-cfg.c (remove_bb): Update.
2282 (gimplify_val): Update.
2283 * tree-ssa-reassoc.c (get_rank): Update.
2284 (init_reassoc): Update.
2285 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2286 (ssa_names, free_ssanames): Kill.
2287 (init_ssanames): Update.
2288 (make_ssa_name): Update.
2289 (release_ssa_name): Update.
2290 (release_defs): Update.
2291 (replace_ssa_name_symbol): Update.
2292 * tree-ssa-operands.c (access_can_touch_variable): Update.
2293 (add_virtual_operand): Update.
2294 (add_call_clobber_ops): Update.
2295 (add_call_read_ops): Update.
2296 (get_call_expr_operands): Update.
2297 (get_asm_expr_operands): Update.
2299 2006-11-28 Jan Hubicka <jh@suse.cz>
2301 * builtins.c: Include tree-flow.h.
2302 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2303 assignment; convert memmove to memcpy for sizes greater than 1 where
2304 alignment of operands prohibit the partial overlap.
2306 2006-11-28 Jan Hubicka <jh@suse.cz>
2308 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2309 * cgraph.c (dump_cgraph_node): Dump stack usage.
2310 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2311 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2312 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2313 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2314 (cgraph_check_inline_limits): Limit stack growth.
2315 * cfgexpand.c: Include tree-inline.h.
2316 (account_stack_vars): New function.
2317 (expand_one_var): New param to just account the stack; return estimated
2319 (expand_used_vars_for_block): Update call of expand_one_var.
2320 (account_used_vars_for_block): New function.
2321 (estimated_stack_frame_size): Likewise.
2322 (init_vars_expansion, fini_vars_expansion): Break out from..
2323 (expand_used_vars): ... here.
2324 * tree-inline.h (estimated_stack_frame_size): Declare.
2325 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2327 2006-11-28 Richard Guenther <rguenther@suse.de>
2329 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2330 unsigned long for printing OBJECT_SIZE.
2332 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2334 * alias.c (init_alias_analysis): Remove simplification loop
2335 after propagating pointers.
2337 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2339 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2342 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2344 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2346 2006-11-27 Roger Sayle <roger@eyesopen.com>
2347 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2349 * c-common.c (constant_fits_type_p): Delete.
2350 (unsigned_conversion_warning): Delete.
2351 (conversion_warning): Integrate Wconversion warning from
2352 unsigned_conversion_warning.
2353 (convert_and_check): Integrate Woverflow warning from
2354 unsigned_conversion_warning. Reorganize and simplify to avoid
2355 dependence upon the middle-end setting TREE_OVERFLOW on integral
2356 conversions, by using int_fits_type_p directly.
2358 2006-11-27 Tobias Burnus <burnus@net-b.de>
2360 * doc/invoke.texi: Fixed typo.
2362 2006-11-27 Michael Matz <matz@suse.de>
2363 Andreas Krebbel <krebbel1@de.ibm.com>
2366 * config/s390/predicates.md (larl_operand): Check addend of larl
2367 operand to be in range of -/+2GB.
2368 * config/s390/s390.c (legitimize_pic_address): Likewise.
2369 Changed type of variable even to HOST_WIDE_INT.
2371 2006-11-27 Jan Hubicka <jh@suse.cz>
2373 * expr.c (emit_block_move_via_libcall): Export.
2374 (clear_storage_via_libcall): Rename to ...
2375 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2376 (clear_storage): Update to set_storage_via_libcall.
2377 * expr.h (emit_block_move_via_libcall): Declare
2378 * config/i386/i386.h (stringop_alg): New enum.
2379 (MAX_STRINGOP_ALGS): New constant.
2380 (stringop_algs): New struct.
2381 (processor_costs): Add memcpy/memset descriptors.
2382 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2383 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2384 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2386 * config/i386/i386.opt (minline-stringops-dynamically,
2387 mstringop-strategy): New
2389 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2390 (ix86_expand-clrmem): Rename to ...
2391 (ix86_expand_setmem): ... this one; update prototype.
2392 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2393 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2394 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2395 nocona_cost, core2_cost, generic_cost, generic64_cost,
2396 generic32_cost): Add memcpy/memset descriptors.
2397 (x86_rep_movl_optimal): Remove.
2398 (stringop_alg): New static variable.
2399 (ix86_expand_aligntest): Handle predictions.
2400 (override_options): Add strgop_alg handling.
2401 (predict_jump): New function.
2402 (scale_counter): New function.
2403 (expand_set_or_movmem_via_loop): New function.
2404 (expand_movmem_via_rep_mov): New function.
2405 (expand_setmem_via_rep_stots): New function.
2406 (emit_strmov): New function.
2407 (expand_movmem_epilogue): New function.
2408 (expand_setmem_epilogue_via_loop): New function.
2409 (expand_setmem_epilogue): New function.
2410 (expand_movmem_prologue): New function.
2411 (expand_setmem_prologue): New function.
2412 (decide_alg): New function.
2413 (decide_alignment): New function.
2414 (ix86_exand_movmem): Rewrite.
2415 (promote_duplicated_reg): New function.
2416 (ix86_expand_clrmem): Rename to ...
2417 (ix86_expand_setmem): ... this one. Rewrite.
2419 * invoke.texi (minline-stringops-dynamically): New command line option.
2420 (mstringop-strategy): Likewise.
2422 2006-11-27 Jan Hubicka <jh@suse.cz>
2424 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2425 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2426 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2427 * insn-notes.def (FUNCTION_END): Remove.
2428 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2429 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2431 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2432 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2433 * cfglayout.c (duplicate_insn_chain): Don't worry about
2436 2006-11-27 Richard Guenther <rguenther@suse.de>
2437 Zdenek Dvorak <dvorakz@suse.cz>
2439 * target.h (struct gcc_target): Add builtin_vectorized_function
2441 * target-def.h (TARGET_VECTORIZE): Likewise.
2442 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2443 Document new target hook.
2444 * targhooks.h (default_builtin_vectorized_function): Declare.
2445 * targhooks.c (default_builtin_vectorized_function): Define.
2446 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2447 (vectorizable_call): Declare.
2448 * tree-vect-analyze.c (vect_analyze_operations): Call
2450 * tree-vect-transform.c (vectorizable_function): New static function.
2451 (build_vectorized_function_call): Likewise.
2452 (vectorizable_call): New function.
2453 (vect_transform_stmt): Handle vectorizable calls.
2455 2006-11-27 Richard Guenther <rguenther@suse.de>
2458 * builtins.c (expand_builtin_pow): Optimize non integer valued
2459 constant exponents using sqrt or cbrt if possible. Always fall back
2460 to expanding via optabs.
2462 2006-11-27 Ira Rosen <irar@il.ibm.com>
2464 PR tree-optimization/22372
2465 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2466 the type of the base address.
2467 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2468 it in the data-ref pointer creation.
2469 (vect_init_vector): Add an argument, type of the init vector. Use it in
2471 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2472 (get_initial_def_for_reduction): Likewise.
2473 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2475 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2476 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2477 correct type in stmt creation.
2478 (vect_setup_realignment): Use the correct type in stmt creation.
2479 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2481 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2482 of MODIFY_EXPR to void_type_node.
2483 (vectorizable_condition): Change type of MODIFY_EXPR to
2485 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2488 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2491 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2492 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2493 standard 80387 constants, raise the cost to prevent
2494 compress_float_constant() to generate load from memory.
2496 * config/i386/i386.md: Add new splitter pattern to split
2497 float_extended load of constant from constant pool into
2500 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2502 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2503 section to general section. Remove documentation for
2504 --with-mpfr-dir and --with-gmp-dir, add documentation for
2505 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2508 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2510 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2512 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2514 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2516 PR tree-optimization/29122
2517 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2518 for the new version. Assign NULL to DECL_RTL of the new version.
2520 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2522 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2524 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2526 * cse.c (cse_altered): Remove.
2527 (record_jump_equiv): Make true/false argument a bool instead
2529 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2530 where appropriate. Emit a new jump before the existing one
2531 instead of after so that delete_insn_and_edges removes the
2532 dead edges properly. Check any_condjump_p before calling
2534 (cse_basic_block): Check any_condjump_p before calling
2536 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2538 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2540 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2541 -ffixed-line-length-* options.
2543 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2545 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2546 (fprem1xf4): Rename to fprem1xf4_i387.
2548 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2549 Rename patterns to fmod<mode>3. Use general_operand operand
2550 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2551 patterns for SSE math.
2552 (remaindersf3, remainderdf3): Ditto.
2554 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2556 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2557 inside start_sequence / end_sequence pair.
2559 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2561 * jump.c (mark_all_labels): Work in cfglayout mode.
2562 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2563 when in cfglayout mode, because there are no dead jumptables
2565 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2567 (commit_edge_insertions): Do not allow insertion of instructions
2568 with control flow insns when in cfglayout mode.
2570 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2572 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2574 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2575 unswitch_loop): Ditto.
2576 * tree-loop-linear.c (linear_transform_loops): Ditto.
2577 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2578 tree_ssa_lim): Ditto.
2579 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2580 free_numbers_of_iterations_estimates): Ditto.
2581 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2582 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2583 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2584 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2585 place_new_loop, duplicate_loop, duplicate_subloops,
2586 update_single_exit_for_duplicated_loops, copy_loops_to,
2587 duplicate_loop_to_header_edge, create_preheaders,
2588 force_single_succ_latches, loop_version, fix_loop_structure):
2590 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2591 tree_unroll_loop): Ditto.
2592 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2593 * tree-scalar-evolution.c (select_loops_exit_conditions,
2594 scev_initialize, scev_analysis): Ditto.
2595 * tree-scalar-evolution.h (scev_initialize): Ditto.
2596 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2597 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2598 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2599 * modulo-sched.c (sms_schedule): Ditto.
2600 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2601 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2602 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2603 * ifcvt.c (if_convert): Ditto.
2604 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2605 canonicalize_loop_induction_variables,
2606 canonicalize_induction_variables,
2607 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2608 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2609 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2610 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2611 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2612 tree_ssa_loop_done): Ditto.
2613 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2614 estimate_bb_frequencies): Ditto.
2615 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2616 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2617 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2618 decide_unrolling_and_peeling, peel_loop_completely,
2619 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2620 peel_loop_simple, unroll_loop_stupid): Ditto.
2621 * loop-doloop.c (doloop_optimize_loops): Ditto.
2622 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2623 * loop-invariant.c (move_loop_invariants): Ditto.
2624 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2625 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2626 tree_ssa_prefetch_arrays): Ditto.
2627 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2629 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2630 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2631 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2632 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2633 verify_loop_structure): Ditto.
2634 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2635 canonicalize_induction_variables, tree_unroll_loops_completely,
2636 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2637 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2638 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2639 tree_unroll_loop, linear_transform_loops): Declaration changed.
2640 * basic-block.h: Remove declaration of struct loops.
2641 * cfghooks.h (struct cfg_hooks): Change type of
2642 cfg_hook_duplicate_loop_to_header_edge.
2643 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2644 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2645 vect_transform_loop): Declaration changed.
2646 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2647 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2648 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2649 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2650 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2651 loopify, loop_version, remove_path, unswitch_loops,
2652 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2653 Declaration changed.
2655 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2657 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2658 (X87MODEF): New mode macro.
2659 (ssemodefsuffix): New mode attribute.
2660 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2661 (sqrt_extend<mode>xf2_i387): New insn pattern.
2662 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2663 insn and truncate result back to original mode using
2664 UNSPEC_TRUNC_NOOP truncation.
2665 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2666 ssemodefsuffix mode attribute.
2667 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2668 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2669 (*sqrtextenddfxf2_i387): Remove insn patterns.
2671 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2672 truncation patterns.
2674 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2676 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2679 * c-tree.h (c_maybe_initialize_eh): New prototype.
2680 * c-decl.c (finish_decl): Move EH initialization...
2681 (c_maybe_initialize_eh): ... here. New function.
2682 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2683 if not #pragma omp atomic.
2686 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2687 or UNION_TYPE inner types.
2689 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2692 * ipa-pure-const.c (check_tree): If the original tree
2693 is volatile return early and say the function is not pure
2694 nor const. Remove the volatile check for writes.
2695 (analyze_function): Print out the result of the local
2698 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2700 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2702 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2703 * config/rs6000/rs6000.c (rs6000_override_options): Use
2704 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2707 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2709 * config/s390.c (s390_emit_compare_and_swap): New function.
2710 (s390_expand_cs_hqi, s390_expand_atomic): Call
2711 s390_emit_compare_and_swap.
2713 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2715 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2717 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2721 * c-common.c (conversion_warning): New.
2722 (convert_and_check): Call conversion_warning unless there is an
2724 * doc/invoke.texi (-Wconversion): Update description.
2726 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2728 * tree-ssa-alias.c (tree_pointer_compare): New function.
2729 (compact_name_tags): New function.
2730 (group_aliases): Call compact_name_tags.
2732 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2734 * real.h (real_isinteger): Declare.
2735 * real.c (real_isinteger): Define.
2736 * builtins.c (integer_valued_real_p): Use it.
2738 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2741 * c.opt (Wtraditional-conversion): New.
2742 (Wconversion): Update description.
2743 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2744 type conversions different from what would happen in the absence
2745 of prototype are now handled by Wtraditional-conversion.
2746 * doc/invoke.texi (Wtraditional-conversion): New.
2747 (Wconversion): Update description.
2748 * doc/trouble.texi (Wconversion): Replace Wconversion by
2749 Wtraditional-conversion.
2751 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2753 * predict.c (tree_estimate_probability): Check to make
2754 sure current_loops is non null before calling flow_loops_dump.
2756 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2758 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2760 2006-11-23 David Ung <davidu@mips.com>
2762 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2764 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2765 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2766 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2767 high part of FP register when in 64-bit FP register mode. Similarly
2768 use gen_mfhc1 to load high part of FP register.
2769 (override_options): Allow -mgp32 and -mfp64 combination if
2770 ISA_HAS_MXHC1 (currently for O32 only).
2771 (mips_cannot_change_mode_class): If floating-point registers are
2772 bigger than word size. disallow conversion of float register from a
2773 large integer mode to a float mode smaller than the float register
2775 (mips_class_max_nregs): Handle float registers case seperately.
2776 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2778 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2779 (movdf_hardfloat_32bit): Similarly.
2780 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2781 support a full 64-bit fpu.
2782 (mthc1): New pattern to generate MTHC1 instruction.
2783 (mfhc1): New pattern to generate MFHC1 instruction.
2784 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2785 option for the MIPS32R2 and mention its use under O32 ABI.
2787 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2789 * var-tracking.c (emit_note_insn_var_location): Take care not to
2790 cause verify_flow_info failures.
2792 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2794 * tree-ssa-structalias.c: Remove edge weights in favor of just
2795 processing them as complex constraints.
2796 (struct constraint_graph): Remove weighted succs and preds. Rename
2797 nonweighted succs and preds.
2798 (constraint_edge): Removed.
2799 (constraint_edge_t): Ditto.
2800 (constraint_edge_pool): Ditto.
2801 (new_constraint_edge): Ditto.
2802 (constraint_edge_equal): Ditto.
2803 (constraint_edge_less): Ditto.
2804 (constraint_edge_vec_find): Ditto.
2805 (erase_self_graph_edge): Ditto.
2806 (add_graph_edge): Removed.
2807 (get_graph_weights): Ditto.
2808 (allocate_graph_weights): Ditto.
2809 (valid_weighted_graph_edge): Ditto
2810 (bitmap_other_than_zero_bit_set): Ditto.
2811 (int_add_graph_edge): Renamed to add_graph_edge.
2812 (clear_edges_for_node): Remove support for weighted edges.
2813 (merge_graph_nodes): Ditto.
2814 (valid_graph_edge): Ditto.
2815 (build_constraint_graph): Ditto.
2817 (collapse_nodes): Ditto.
2818 (process_unification_queue): Ditto.
2819 (topo_visit): Ditto.
2820 (do_ds_constraint): Ditto.
2821 (perform_var_subsitution): Ditto.
2822 (solve_graph): Ditto.
2823 (init_alias_vars): Ditto.
2824 (delete_points_to_sets): Ditto.
2825 (do_complex_constraint): Support offsetted copies here.
2827 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2829 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2831 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2833 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2836 2006-11-23 Ben Elliston <bje@au.ibm.com>
2838 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2840 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2842 PR tree-optimization/29921
2843 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2844 signed and unsigned zero equal.
2846 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2848 * config/rs6000/rs6000.c (get_store_dest): New.
2849 (adjacent_mem_locations): Use get_store_dest() to get
2850 the rtl of the store destination.
2852 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2854 * config/rs6000/spe.md (SPE64): New mode macro.
2855 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2857 (mov_si<mode>_e500_subreg0_2): New.
2858 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2860 (mov_si<mode>_e500_subreg4_2): New.
2861 * config/rs6000/predicates.md (input_operand): Do not allow
2862 invalid E500 subregs.
2863 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2865 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2866 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2867 involving vector modes if TARGET_SPE.
2869 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2872 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2873 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2875 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2877 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2878 mem_i_address_operand): New predicates.
2879 * config/bfin/bfin.c (bfin_issue_rate): New function.
2880 (TARGET_SCHED_ISSUE_RATE): New macro.
2881 * config/bfin/bfin.md (addrtype): New attribute.
2882 (slot0, slot1, slot2, store, pregs): New cpu_units.
2883 (core): Now a define_reservation.
2884 (alu): Remove some insn types from this reservation.
2885 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2887 (dummy reservation): Don't trigger for mcld insns.
2888 (absence_sets): Two new absence sets to enforce slot ordering.
2889 (popsi_insn): Set addrtype.
2891 2006-11-22 Ira Rosen <irar@il.ibm.com>
2893 * doc/c-tree.texi: Document new tree codes.
2894 * doc/md.texi: Document new optabs.
2895 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2897 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2898 * optabs.h (optab_index): Add new.
2899 (vec_extract_even_optab, vec_extract_odd_optab,
2900 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2901 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2902 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2904 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2905 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2906 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2907 along with macros for their access.
2908 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2910 * tree-vect-analyze.c (toplev.h): Include.
2911 (vect_determine_vectorization_factor): Fix indentation.
2912 (vect_insert_into_interleaving_chain,
2913 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2914 (vect_analyze_data_ref_dependence): Add argument for interleaving
2915 check. Check for interleaving if it's true.
2916 (vect_check_dependences): New function.
2917 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2918 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2919 (vect_update_misalignment_for_peel): Update for interleaving.
2920 (vect_verify_datarefs_alignment): Check only first data-ref for
2922 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2923 only first data-ref for interleaving.
2924 (vect_analyze_data_ref_access): Check interleaving, update
2926 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2927 with different parameters.
2928 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2929 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2930 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2931 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2932 Update step in case of interleaving.
2933 (vect_strided_store_supported, vect_permute_store_chain): New
2935 (vectorizable_store): Handle strided stores.
2936 (vect_strided_load_supported, vect_permute_load_chain,
2937 vect_transform_strided_load): New functions.
2938 (vectorizable_load): Handle strided loads.
2939 (vect_transform_stmt): Add argument. Handle strided stores. Check
2940 that vectorized stmt exists for patterns.
2941 (vect_gen_niters_for_prolog_loop): Update calculation for
2943 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2944 whole chain vectorization.
2945 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2946 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2947 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2948 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2949 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2951 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2953 * cse.c (enum taken): Remove PATH_AROUND.
2954 (addr_affects_sp_p, invalidate_skipped_set,
2955 invalidate_skipped_block): Remove.
2956 (cse_end_of_basic_block): Remove skip_blocks and related code.
2957 (cse_main): Don't test for flag_cse_skip_blocks.
2958 Update cse_end_of_basic_block call.
2959 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2960 code to lengthen the path if a jump was simplified.
2962 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2964 PR rtl-optimization/29924
2965 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2966 (unroll_loop_runtime_iterations): Assert that the argument passed to
2967 split_edge_and_insert is not NULL.
2968 * loop-doloop.c (add_test): Ditto.
2970 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2972 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2974 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2975 * cfgloopmanip.c (update_single_exits_after_duplication,
2976 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2977 * tree-scalar-evolution.c (get_loop_exit_condition,
2978 get_exit_conditions_rec, loop_closed_phi_def,
2979 number_of_iterations_in_loop, scev_const_prop): Ditto.
2980 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2981 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2983 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2985 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2986 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2987 slpeel_make_loop_iterate_ntimes,
2988 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2989 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2991 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2992 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2993 vect_analyze_loop_form): Ditto.
2994 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2995 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2996 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2997 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2998 vect_transform_loop): Ditto.
2999 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3000 (single_exit, set_single_exit): New functions.
3001 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3002 (single_exit, set_single_exit): Declare.
3003 * doc/loop.texi: Undocument single_exit field. Document single_exit
3006 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3008 PR tree-optimization/29902
3009 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3010 any involved ssa name appears in abnormal phi node.
3012 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3014 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3015 (xtensa_const_ok_for_letter_p): Delete.
3016 (xtensa_extra_constraint): Delete.
3017 (override_options): Delete xtensa_char_to_class initialization.
3018 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3019 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3020 (EXTRA_CONSTRAINT): Delete.
3021 * config/xtensa/xtensa.md: Include constraints.md.
3022 (call_internal): Combine alternatives.
3023 (call_value_internal): Likewise, and remove invalid constraints.
3024 * config/xtensa/constraints.md: New file.
3025 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3026 (xtensa_extra_constraint): Delete.
3027 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3030 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3032 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3033 of conversion that doesn't fit.
3035 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3036 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3037 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3039 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3041 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3043 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3045 2006-11-21 Richard Guenther <rguenther@suse.de>
3047 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3048 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3049 vect_recog_pow_pattern.
3050 (vect_recog_pow_pattern): New function.
3052 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3054 * config/bfin/bfin.opt (mstack-check-l1): New.
3055 * doc/invoke.texi (Blackfin Options): Document it.
3056 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3057 stack bounds in L1 memory if the new option is enabled.
3058 (override_options): Don't allow combinations of -fstack-limit and
3060 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3063 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3065 (bfin_register_move_cost): Bump costs if trying to move plain
3066 integer values through accumulators.
3068 2006-11-21 Ben Elliston <bje@au.ibm.com>
3070 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3072 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3073 Russell Olsen <Russell_Olsen@playstation.sony.com>
3074 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3075 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3076 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3077 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3078 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3080 * config.gcc: Add target for SPU.
3081 * config/spu/constraints.md: New file.
3082 * config/spu/crt0.c: New file.
3083 * config/spu/crtend.c: New file.
3084 * config/spu/crti.asm: New file.
3085 * config/spu/crtn.asm: New file.
3086 * config/spu/float_unsdidf.c: New file.
3087 * config/spu/float_unssidf.c: New file.
3088 * config/spu/predicates.md: New file.
3089 * config/spu/spu-builtins.def: New file.
3090 * config/spu/spu-builtins.h: New file.
3091 * config/spu/spu-builtins.md: New file.
3092 * config/spu/spu-c.c: New file.
3093 * config/spu/spu-elf.h: New file.
3094 * config/spu/spu-modes.def: New file.
3095 * config/spu/spu-protos.h: New file.
3096 * config/spu/spu.c: New file.
3097 * config/spu/spu.h: New file.
3098 * config/spu/spu.md: New file.
3099 * config/spu/spu.opt: New file.
3100 * config/spu/spu_internals.h: New file.
3101 * config/spu/spu_intrinsics.h: New file.
3102 * config/spu/spu_mfcio.h: New file.
3103 * config/spu/t-spu-elf: New file.
3104 * config/spu/vec_types.h: New file.
3105 * config/spu/vmx2spu.h: New file.
3106 * doc/contrib.texi: Document SPU contributor.
3107 * doc/extend.texi: Document SPU extensions.
3108 * doc/invoke.texi: Document SPU options.
3109 * doc/md.texi: Document SPU constraints.
3111 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3113 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3115 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3117 (flow_loop_dump): Do not dump loop level.
3118 (flow_loops_find): Do not call flow_loops_level_compute.
3119 * cfgloop.h (struct loop): Remove level field.
3121 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3123 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3124 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3125 Use vector of edges instead of array.
3126 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3127 estimate_numbers_of_iterations_loop): Ditto.
3128 * predict.c (predict_loops): Ditto.
3129 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3130 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3132 * basic-block.h: Declare heap allocation for edge vectors.
3133 * tree-outof-ssa.c: Ditto.
3134 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3135 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3137 2006-11-20 Zack Weinberg <zackw@panix.com>
3139 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3140 Add another out parameter, "skip".
3141 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3142 is tagged "skip", do not mark its type used.
3144 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3147 * tree-sra.c (single_scalar_field_in_record_p): New function.
3148 (decide_block_copy): Use it.
3150 2006-11-20 David Daney <ddaney@avtrex.com>
3152 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3153 PC to point to following instruction.
3155 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3159 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3161 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3163 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3165 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3166 Add sh/superh.h to tm_file.
3168 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3169 Mark Mitchell <mark@codesourcery.com>
3171 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3173 (cpp_relocated): New function.
3174 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3176 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3177 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3178 replace configured prefix with gcc_exec_prefix.
3180 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3182 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3183 bfin_legitimate_constant_p.
3184 * config/bfin/bfin.md (movsi expander): Check return value of
3186 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3187 (expand_move): Adjust prototype.
3188 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3189 invalid constants specially.
3190 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3192 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3194 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3195 sibcall_value_symbol): Allow these patterns if
3196 TARGET_LEAF_ID_SHARED_LIBRARY.
3197 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3198 (override_options): Turn on id shared library flags if -msep-data,
3199 but disallow the combination of these options on the command line.
3200 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3201 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3202 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3203 -mid-shared-library.
3204 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3205 * doc/invoke.texi (Blackfin Options): Document new switches.
3207 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3208 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3210 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3211 inflate costs for addresses with an out-of-bounds address.
3213 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3216 * fwprop.c (loops): Remove.
3217 (forward_propagate_into): Use current_loops instead of
3219 (fwprop_init): Call loop_optimizer_init instead of
3221 (fwprop_done): Call loop_optimizer_finalize instead of
3223 (fwprop): Use current_loops instead of loops.
3225 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3228 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3230 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3233 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3234 larger than BITS_PER_WORD.
3236 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3240 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3241 to MAX_FIXED_MODE_SIZE.
3243 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3245 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3246 (fold_builtin_fmin_fmax): New.
3247 (fold_builtin_1): Use it.
3249 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3251 2006-11-18 Richard Guenther <rguenther@suse.de>
3253 * config/i386/i386.c (ix86_builtins): New array for ix86
3254 builtin function decls.
3255 (def_builtin): New function.
3256 (def_builtin_const): Likewise.
3257 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3259 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3261 * doc/invoke.texi (core2): Add item.
3263 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3265 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3266 (TARGET_CPU_DEFAULT_generic): Change value.
3267 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3268 (processor_type): Add new constant PROCESSOR_CORE2.
3270 * config/i386/i386.md (cpu): Add core2.
3272 * config/i386/i386.c (core2_cost): New initialized variable.
3273 (m_CORE2): New macro.
3274 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3275 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3276 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3277 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3278 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3279 x86_accumulate_outgoing_args, x86_prologue_using_move,
3280 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3281 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3282 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3283 x86_pad_returns): Add m_CORE2.
3284 (override_options): Add entries for Core2.
3285 (ix86_issue_rate): Add case for Core2.
3287 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3289 * doc/invoke.texi: Fix mno-isel typo.
3291 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3293 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3294 easy vector constant loads.
3296 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3298 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3299 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3300 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3301 * config/rs6000/sync.md (lwsync): Emit plain sync if
3304 2006-11-17 DJ Delorie <dj@redhat.com>
3306 * reload1.c (reloads_unique_chain): New.
3307 (reloads_conflict): Call it.
3309 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3311 * config/xtensa/predicates.md (addsubx_operand): New.
3312 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3313 (xtensa_emit_bit_branch): New.
3314 (xtensa_emit_movcc): New.
3315 * config/xtensa/xtensa.md (any_minmax): New code macro.
3316 (minmax): New code attribute.
3317 (any_cond, any_scc, any_scc_sf): New code macros.
3318 (*addx2, *addx4, *addx8): Delete.
3320 (*subx2, *subx4, *subx8): Delete.
3322 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3323 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3324 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3325 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3326 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3327 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3328 (movsfcc_internal0, movsfcc_internal1): Likewise.
3329 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3330 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3331 (xtensa_emit_bit_branch): New.
3332 (xtensa_emit_movcc): New.
3333 (function_arg_boundary): Add missing prototype.
3335 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3337 * config/xtensa/xtensa.md (tstsi): Delete
3339 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3341 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3343 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3345 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3347 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3349 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3351 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3353 * tree-vrp.c (execute_vrp): Do not update current_loops.
3354 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3355 * doc/loop.texi: Remove documentation for cancelled functions.
3356 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3357 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3359 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3360 (remove_path): Ensure that in delete_basic_blocks, the loops
3361 are still allocated.
3362 (add_loop): Work on valid loop structures.
3363 (loopify): Modify call of add_loop.
3364 (mfb_update_loops): Removed.
3365 (create_preheader): Do not update loops explicitly.
3366 (force_single_succ_latches, loop_version): Do not use
3367 loop_split_edge_with.
3368 (loop_split_edge_with): Removed.
3369 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3370 Do not use bsi_insert_on_edge_immediate_loop.
3371 (split_loop_exit_edge, tree_unroll_loop): Do not use
3372 loop_split_edge_with.
3373 (bsi_insert_on_edge_immediate_loop): Removed.
3374 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3375 use loop_split_edge_with.
3376 * cfghooks.c: Include cfgloop.h.
3377 (verify_flow_info): Verify that loop_father is filled iff current_loops
3379 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3380 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3382 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3384 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3385 loop_split_edge_with.
3386 (sms_schedule): Use current_loops.
3387 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3388 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3390 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3391 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3392 * ifcvt.c (if_convert): Ditto.
3393 * predict.c (predict_loops): Do not clear current_loops.
3394 (tree_estimate_probability): Use current_loops.
3395 (propagate_freq): Receive head of the region to propagate instead of
3397 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3398 (estimate_loops): New function. Handle case current_loops == NULL.
3399 (estimate_bb_frequencies): Do not allocate tovisit. Use
3401 * tree-ssa-loop.c (current_loops): Removed.
3402 (tree_loop_optimizer_init): Do not return loops.
3403 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3404 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3405 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3406 Do not update loops explicitly.
3407 * function.h (struct function): Add x_current_loops field.
3408 (current_loops): New macro.
3409 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3410 * loop-unroll.c (split_edge_and_insert): New function.
3411 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3412 use loop_split_edge_with.
3413 * loop-doloop.c (add_test, doloop_modify): Ditto.
3414 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3415 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3416 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3417 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3419 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3420 (flow_loops_free): Do not free dfs_order and rc_order.
3421 (flow_loops_find): Do not set dfs_order and rc_order in loops
3422 structure. Do not call loops and flow info verification.
3423 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3424 already belongs to some loop.
3425 * cfgloop.h (struct loops): Remove struct cfg.
3426 (current_loops, loop_split_edge_with): Declaration removed.
3427 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3428 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3429 Declaration removed.
3430 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3431 * basic-block.h (split_edge_and_insert): Declare.
3432 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3434 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3436 PR tree-optimization/29801
3437 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3438 (get_default_value): Use get_symbol_constant_value.
3439 (set_lattice_value): ICE when the value of the constant is
3441 (visit_assignment): Ignore VDEFs of read-only variables.
3443 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3445 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3447 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3448 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3450 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3452 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3453 select subvars of var.
3455 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3458 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3459 optimize if DEF doesn't have integral type.
3461 2006-11-16 Mike Stump <mrs@apple.com>
3463 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3464 pre-darwin9 system, unless the user asks for it directly.
3465 (PREFERRED_DEBUGGING_TYPE): Likewise.
3466 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3467 * config.gcc: Add suppport for darwin9.h.
3468 * config/darwin9.h: Add.
3469 * doc/install.texi (Specific): Clarify darwin documentation.
3471 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3473 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3474 optimizing for size.
3476 2006-11-16 Mike Stump <mrs@apple.com>
3478 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3480 2006-11-16 Dirk Mueller <dmueller@suse.de>
3482 * tree-vrp.c (get_value_range): Use XCNEW instead
3484 (insert_range_assertions): Use XCNEWVEC instead
3485 of XNEWVEC and memset.
3486 (vrp_initialize): Same.
3487 (vrp_finalize): Same.
3488 * tree-ssa-ccp.c (ccp_initialize): Same.
3489 * predict.c (tree_bb_level_predictions): Same.
3490 * calls.c (expand_call): Same.
3491 * tree-ssa-copy.c (init_copy_prop): Same.
3492 (fini_copy_prop): Same.
3493 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3494 of GGC_NEW and memset.
3496 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3499 * gimplify.c (gimplify_expr): Only force a load for references to
3500 non-BLKmode volatile values.
3501 * doc/implement-c.texi (Qualifiers implementation): Document the
3502 interpretation of what a volatile access is.
3503 * doc/extend.texi (C++ Extensions): Rework same documentation.
3505 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3507 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3510 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3512 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3514 (arm_neg_abssi2): Renamed from neg_abssi2.
3515 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3517 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3519 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3520 number of arguments passed to local functions in SSE registers is 3.
3522 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3523 number of arguments passed in SSE registers to 3.
3525 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3528 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3530 (get_last_bb_insn): ... new global function.
3531 (basic_block.h): Declare it.
3532 * haifa-sched.c (create_recovery_block): Use it.
3534 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3537 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3539 2006-11-15 Paul Brook <paul@codesourcery.com>
3541 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3542 _Unwind_GetTextRelBase): Move from here ...
3543 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3544 _Unwind_GetTextRelBase): ... To here.
3546 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3548 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3549 addresses we generate for testing are aligned.
3551 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3554 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3555 to what is the const decl is a place holder for.
3557 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3559 * config/i386/i386.opt: New target option -mx87regparm.
3561 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3562 and float_in_x87 variables. mmx_words, sse_words: Remove.
3563 (X87_REGPARM_MAX): Define.
3565 * config/i386/i386.c (override_options): Error out for
3566 -mx87regparm but no 80387 support.
3567 (ix86_attribute_table): Add x87regparm.
3568 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3569 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3570 (ix86_function_x87regparm): New function.
3571 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3573 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3575 (function_arg_advance): Process x87_nregs and x87_regno when
3576 floating point argument is to be passed in 80387 register.
3577 (function_arg): Pass XFmode arguments in 80387 registers for local
3578 functions. Pass SFmode and DFmode arguments to local functions
3579 in 80387 registers when flag_unsafe_math_optimizations is set.
3581 * reg-stack.c (convert_regs_entry): Disable NaN load for
3582 stack registers that are used for argument passing.
3584 * doc/extend.texi: Document x87regparm function attribute.
3585 * doc/invoke.texi: Document -mx87regparm.
3587 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3589 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3590 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3591 arg MODE; all callers changed. Use it to determine validity per
3592 machine mode instead of using Pmode for all memory references.
3593 (get_address_cost): Likewise add and use new arg MEM_MODE.
3595 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3596 J"orn Rennecke <joern.rennecke@st.com>
3598 * combine.c (likely_spilled_retval_1): Fix masking operation.
3599 (likely_spilled_retval_p): Use proper pattern for call to
3600 likely_spilled_retval_1.
3602 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3604 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3606 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3607 that tests for CONSTANT_POOL_ADDRESS_P.
3609 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3611 PR tree-optimization/29581
3612 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3613 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3614 type is different between Y and USE, create a temporary
3615 variable, initialize it at the beginning of the body bb
3616 and use it as replacement instead of Y.
3618 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3621 * gimplify.c (fold_indirect_ref_rhs): Use
3622 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3624 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3626 * expmed.c (emit_store_flag_1): New function.
3627 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3629 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3630 Use do_compare_rtx_and_jump.
3631 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3632 * arm.md (cstoresi4): New define_expand.
3633 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3634 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3635 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3637 2006-11-14 Caroline Tice <ctice@apple.com>
3639 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3640 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3642 (pubname_table): Redefine as a vector.
3643 (pubtype_table): New static global variable, defined as a vector.
3644 (pubname_table_allocated): Remove static global variable.
3645 (pubname_table_in_use): Remove static global variable.
3646 (PUBNAME_TABLE_INCREMENT): Remove constant.
3647 (size_of_pubnames): Add parameter to deal with either pubnames or
3648 pubtypes, and change code to deal with table being a vector.
3649 (add_pubname): Change to deal with table being a vector.
3650 (add_pubtype): New function.
3651 (output_pubnames): Add parameter to deal with either pubnames or
3652 pubtypes, and change code to deal with table being a vector.
3653 (gen_array_type_die): Add call to add_pubtype.
3654 (gen_enumeration_type_die): Add call to add_pubtype.
3655 (gen_struct_or_union_type_die): Add call to add_pubtype.
3656 (gen_subroutine_type_die): Add call to add_pubtype.
3657 (gen_typedef_die): Add call to add_pubtype.
3658 (dwarf2out_init): Add code to initialize pubname_table and
3659 pubtype_table vectors; also initialize debug_pubtypes_section.
3660 (prune_unused_types): Change to deal with pubnames being a vector.
3661 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3662 pubnames table to call to output_pubnames; Add code to output pubtypes
3663 table if DEBUG_PUBTYPES_SECTION is defined.
3664 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3666 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3668 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3670 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3671 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3672 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3673 movv2si_internal): Support moves between core registers.
3675 2006-11-14 Eric Christopher <echristo@apple.com>
3677 * configure: Regenerate with autoconf 2.59.
3679 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3681 Fix PR tree-optimization/27755
3683 * tree-ssa-pre.c: Update comments.
3684 (bb_bitmap_sets): Add pa_in and deferred member.
3685 (BB_DEFERRED): New macro.
3686 (maximal_set): New variable.
3687 (pre_stats): Add pa_insert member.
3688 (bitmap_set_and): Short circuit orig == dest.
3689 (bitmap_set_subtract_values): New function.
3690 (bitmap_set_contains_expr): Ditto.
3691 (translate_vuses_through_block): Add phiblock argument.
3692 (dependent_clean): New function.
3693 (compute_antic_aux): Update for maximal_set changes.
3694 (compute_partial_antic_aux): New function.
3695 (compute_antic): Handle partial anticipation.
3696 (do_partial_partial_insertion): New function.
3697 (insert_aux): Handle partial anticipation.
3698 (add_to_sets): Add to maximal set.
3699 (compute_avail): Ditto.
3700 (init_pre): Initialize maximal_set.
3701 (execute_pre): Do partial anticipation if -O3+.
3703 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3705 PR rtl-optimization/29798
3707 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3708 TARGET_INSN before any other check.
3709 (fwprop_init): Always calculate dominators.
3710 (fwprop_done): Always free them.
3712 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3714 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3717 2006-11-13 DJ Delorie <dj@redhat.com>
3719 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3720 temporary for intermediates.
3722 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3724 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3725 (sh_optimize_target_register_callee_saved): #if 0 the code
3726 using NOTE_INSN_LOOP_{BEG,END}.
3728 2006-11-13 Roger Sayle <roger@eyesopen.com>
3730 * fold-const.c (optimize_bit_field_compare): Recursively call
3731 fold when simplifying non-constant comparisons between bit-fields.
3733 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3735 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3737 * configure: Rebuilt.
3739 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3741 * config/rs6000/cell.md: New file.
3742 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3744 (ppccell_cost): New cost matrix.
3745 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3746 (rs6000_override_options): Set rs6000_always_hint to false
3747 for cell. Also align functions/lables/loops to 8byte
3748 for the Cell. Use PROCESSOR_CELL.
3749 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3750 using_mtcr_multiple.
3751 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3752 on the Cell, return 0.
3753 (rs6000_adjust_cost): Add Cell cost adjustments.
3754 (is_microcoded_insn): Return true for Cell microcoded
3756 (is_nonpipeline_insn): New function.
3757 (rs6000_issue_rate): Add PROCESSOR_CELL.
3758 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3760 (rs6000_use_sched_lookahead_guard): New function.
3761 (rs6000_sched_reorder): Reorder the ready list, if the second
3762 to last ready insn is a nonepipeline insn on the Cell.
3763 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3764 (ASM_CPU_SPEC): Add Cell.
3765 * config/rs6000/rs6000.md (cpu): Add Cell.
3766 (cell_micro): New Attr.
3769 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3771 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3773 * configure: Rebuilt.
3775 2006-11-13 Richard Guenther <rguenther@suse.de>
3777 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3779 (ix86_expand_lfloorceil): Likewise.
3780 (ix86_expand_rint): Likewise.
3781 (ix86_expand_floorceildf_32): Likewise.
3782 (ix86_expand_floorceil): Likewise.
3783 (ix86_expand_rounddf_32): Likewise.
3784 (ix86_expand_truncdf_32): Likewise.
3785 (ix86_expand_round): Likewise.
3787 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3788 Mark Mitchell <mark@codesourcery.com>
3790 * gcc.c: Organize search path variables into $prefix relative,
3791 and well-known native. Add comments.
3792 (add_sysrooted_prefix): Add comment.
3793 (process_command): If !gcc_exec_prefix add $prefix based paths.
3794 If *cross_compile == '0', add native well-known paths.
3795 Assert tooldir_base_prefix is always relative.
3796 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3797 use this value for 'install:' path.
3798 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3800 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3802 * config/i386/i386.c: Fix a typo in comment.
3804 2006-11-13 Michael Matz <matz@suse.de>
3806 * genemit.c (gen_expand): Allocate enough memory.
3808 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3810 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3811 __GXX_TYPEINFO_EQUALITY_INLINE but not
3812 __GXX_MERGED_TYPEINFO_NAMES.
3813 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3814 __GXX_MERGED_TYPEINFO_NAMES.
3815 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3816 __GXX_TYPEINFO_EQUALITY_INLINE.
3818 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3819 Zdenek Dvorak <dvorakz@suse.cz>
3821 PR tree-optimization/29680
3822 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3825 2006-11-12 Jason Merrill <jason@redhat.com>
3826 Andrew Pinski <pinskia@physics.uc.edu>
3829 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3831 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3833 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3834 * tree.c (build_vector): Handle non-_CST elements.
3836 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3838 * genemit.c (gen_insn): Call gen_exp with a non-null used
3839 when handling multiple insns.
3840 (gen_expand): Likewise.
3841 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3842 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3843 (movsi_const_16bit+1): Copy operands[1].
3844 (call_pcrel): Copy the call_site pattern.
3845 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3847 2006-11-12 Roger Sayle <roger@eyesopen.com>
3849 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3850 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3851 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3852 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3854 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3856 Fix PR tree-optimization/29587
3857 * tree-ssa-structalias.c (process_constraint): Don't
3858 mark address taken due only to escaped vars constraint.
3860 2006-11-12 Michael Matz <matz@suse.de>
3861 Roger Sayle <roger@eyesopen.com>
3863 PR rtl-optimization/29797
3864 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3865 BITS_BIG_ENDIAN targets.
3867 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3869 * builtins.c (fold_builtin_cosh): New.
3870 (fold_builtin_1): Use it.
3871 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3872 trunc to the list of "odd" functions. Also add llrint, lrint,
3873 rint and nearbyint when flag_rounding_math is false.
3875 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3877 * tree-flow.h (name_mappings_registered_p): Declare.
3878 * tree-into-ssa.c (name_mappings_registered_p): New function.
3879 * tree-cfg.c (tree_can_merge_blocks_p): Check
3880 name_mappings_registered_p instead of need_ssa_update_p.
3882 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3884 * tree-ssa-loop.c (tree_vectorize): Return the result of
3886 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3887 if anything changed.
3888 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3889 * tree-flow.h (vectorize_loops): Declaration changed.
3891 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3893 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3895 (issue_prefetch_ref): Move assignment to write_p out of loop.
3896 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3897 SIMULTANEOUS_PREFETCHES into account.
3898 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3899 * lambda-code.c (lcm): Renamed to ...
3900 (least_common_multiple): ... and exported.
3901 * tree-flow.h (least_common_multiple): Declare.
3903 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3905 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3906 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3907 ud-chains. Handle AND_EXPR.
3908 (record_estimate): Record whether the estimate is realistic
3909 and whether it is derived from a loop exit.
3910 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3911 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3913 (compute_estimated_nb_iterations): Take only realistic bounds into
3914 account. Set estimate_state. Use double_ints.
3915 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3916 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3917 that do not have to be always executed.
3918 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3919 to determine whether to call infer_loop_bounds_from_undefined
3920 and compute_estimated_nb_iterations.
3921 (n_of_executions_at_most): Use double_ints.
3922 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3923 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3924 * double-int.c (double_int_to_tree): Improve comment.
3925 (double_int_fits_to_tree_p): New function.
3926 * double-int.h (double_int_fits_to_tree_p): Declare.
3927 * tree-data-ref.c: Include langhooks.h.
3928 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3929 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3930 (analyze_array): Do not pass estimate_only argument to
3931 analyze_array_indexes.
3932 (get_number_of_iters_for_loop): Build tree from the stored double_int
3934 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3935 (find_data_references_in_loop): Use find_data_references_in_stmt.
3936 * tree-data-ref.h (struct data_ref_loc_d): New.
3937 (get_references_in_stmt): Declare.
3938 (estimate_iters_using_array): Declaration removed.
3939 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3940 double_int. Improve comments. Add is_exit and realistic
3942 (struct loop): Changed type of estimated_nb_iterations to double_int.
3943 Added estimate_state field.
3944 (record_estimate): Declaration removed.
3946 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3948 * params.c (set_param_value): Initialize the "set" field.
3949 * params.h (struct param_info): Add "set" field.
3950 (PARAM_SET_P): New macro.
3951 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3952 L1_CACHE_LINE_SIZE): New macros.
3953 * toplev.c (DEFPARAM): Initialize the "set" field.
3954 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3955 SIMULTANEOUS_PREFETCHES): Removed.
3956 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3957 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3958 * config/sparc/sparc.c: Include params.h.
3959 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3960 L1_CACHE_LINE_SIZE parameters.
3961 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3963 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3965 * config/i386/i386.c: Include params.h.
3966 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3967 (override_options): Set SIMULTANEOUS_PREFETCHES and
3968 L1_CACHE_LINE_SIZE parameters.
3969 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3970 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3971 L1_CACHE_LINE_SIZE parameters.
3972 * config/ia64/ia64.c (ia64_optimization_options): Set
3973 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3974 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3976 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3977 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3978 * doc/invoke.texi: Document new params.
3980 2006-11-12 Roger Sayle <roger@eyesopen.com>
3982 PR tree-optimization/13827
3983 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3986 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3988 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3989 update_single_exit_for_duplicated_loops): New functions.
3990 (duplicate_loop_to_header_edge): Use
3991 update_single_exit_for_duplicated_loops.
3992 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3993 functions only with ENABLE_CHECKING.
3995 2006-11-12 Andreas Schwab <schwab@suse.de>
3997 * except.c (sjlj_emit_function_enter): Remove unused variable.
3999 2006-11-11 Roger Sayle <roger@eyesopen.com>
4001 * fold-const.c (int_binop_types_match_p): New function.
4002 (size_binop): Relax constraint that both arguments must both have
4003 exactly the same sizetype type. Instead use int_binop_types_match_p.
4004 (size_diffop): Likewise.
4006 (make_range): Use build_int_cst instead of fold_convert.
4007 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4008 integer constants of the correct type.
4009 (fold_div_compare): Likewise.
4010 (fold_single_bit_test): Likewise.
4011 (fold_binary): Likewise.
4012 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4013 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4015 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4018 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4019 non null value if the struct memory access is in the 0th
4022 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4025 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4026 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4029 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4030 instead of builtin_define for bfin and BFIN.
4032 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4034 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4037 2006-11-11 Jan Hubicka <jh@suse.cz>
4039 * extend.texi (__builtin_expect): We no longer require second argument
4041 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4042 * builtins.c (expand_builtin_expect): Simplify.
4043 (expand_builtin_expect_jump): Kill.
4044 * final.c (final_scan_insn): Do not skip the removed notes.
4045 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4046 EXPECTED_VALUE): Remove.
4047 * dojump.c (do_jump): Do not care about __builtin_expect.
4048 * predict.c (expected_value_to_br_prob): Kill.
4049 * function.c (expand_function_end): Do not expand
4050 NOTE_INSN_REPEATED_LINE_NUMBER.
4051 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4052 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4053 * cfgexpand.c (add_reg_br_prob_note): Export.
4054 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4055 expected_value_to_br_prob.
4056 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4057 * rtl.h (add_reg_br_prob_note): Declare.
4059 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4061 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4063 2006-11-11 Jan Hubicka <jh@suse.cz>
4065 * predict.c (predict_loops): Kill RTL variant.
4067 2006-11-11 Jan Hubicka <jh@suse.cz>
4069 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4070 * modulo-sched.c (find_line_note): Remove.
4071 (loop_canon_p): Do not worry about line number notes.
4072 (sms_schedule): Likewise.
4073 * cse.c (cse_main): Likewise.
4074 * regmove.c (fixup_match_1): Likewise
4075 * function.c (emit_return_info_block): Likewise.
4076 (expand_function_end): Likewise.
4077 (thread_prologue_an_epilogue_insns): Likewise.
4078 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4080 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4081 emit_note_copy_after): Kill.
4082 (emit_note_copy): Do not worry about line numbers.
4083 * jump.c (purge_line_number_notes): Kill.
4084 (pass_purge_lineno_notes): Kill.
4085 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4087 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4088 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4089 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4090 * tree-pass.h (pass_purge_lineno_notes): Kill.
4091 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4092 rm_redundant_line_notes.
4093 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4094 rm_redundant_line_notes.
4095 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4096 * haifa-sched.c: Update comment about handling notes.
4097 (unlink_line_notes): Kill.
4098 (rm_line_notes): Kill.
4099 (save_line_notes): Simplify.
4100 (rm_redundant_line_notes): Kill.
4102 2006-11-11 Richard Guenther <rguenther@suse.de>
4104 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4105 Remove unused tree codes.
4106 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4107 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4108 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4109 * tree.c (stabilize_reference): Likewise.
4110 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4111 fold_unary): Likewise.
4112 * tree-gimple.c (is_gimple_cast): Likewise.
4113 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4114 * expr.c (expand_expr_real_1): Likewise.
4115 * tree-eh.c (tree_could_trap_p): Likewise.
4116 * gimplify.c (gimplify_expr): Likewise.
4117 * tree-inline.c (estimate_num_insns_1): Likewise.
4118 * tree-cfg.c (verify_expr): Likewise.
4120 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4122 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4123 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4124 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4126 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4129 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4130 constraints accept neither registers or memories.
4132 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4134 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4135 (NO_PROFILE_COUNTERS): Define as 1.
4137 2006-11-10 Roger Sayle <roger@eyesopen.com>
4139 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4140 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4142 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4144 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4146 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4148 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4149 (fold_builtin_hypot): Likewise.
4150 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4152 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4154 2006-11-10 Roger Sayle <roger@eyesopen.com>
4156 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4157 when attempting to build INTEGER_CSTs of non-integral types.
4158 * expmed.c (make_tree): Use the correct type, i.e. the inner
4159 type, when constructing the individual elements of a CONST_VECTOR.
4161 2006-11-10 Jan Hubicka <jh@suse.cz>
4163 * cse.c (cse_process_notes): Copy the propagated value.
4164 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4166 * gcse.c (try_replace_reg): Copy the replacement.
4167 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4168 (assign_386_stack_local): Always return copied memory expression
4169 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4172 2006-11-10 Jan Hubicka <jh@suse.cz>
4174 * final.c (final): Walk from first instruction.
4175 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4177 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4180 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4182 (umulv8hi3_highpart): Ditto.
4183 (vec_widen_smult_hi_v8hi): New expander.
4184 (vec_widen_smult_lo_v8hi): Ditto.
4186 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4189 * builtins.c (do_mpfr_arg3): New.
4190 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4192 2006-11-09 Eric Christopher <echristo@apple.com>
4197 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4198 * config.gcc (powerpc64-*-darwin*): New target.
4199 * config.host: Ditto.
4200 * config/rs6000/darwin64.h: New file.
4201 * config/rs6000/x-darwin64: Ditto.
4202 * config/rs6000/host-ppc64-darwin.c: Ditto.
4204 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4206 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4207 routines for integer division.
4209 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4211 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4213 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4216 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4218 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4220 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4221 simplify_subreg with BLKmode outer mode.
4223 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4225 * doc/invoke.texi: Minor formatting fixes in option lists.
4227 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4229 PR tree-optimization/29738
4230 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4231 (ccp_lattice_t): Remove UNKNOWN_VAL.
4232 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4233 Do not handle UNKNOWN_VAL.
4234 (get_default_value): Set initial value of virtual operands to
4236 (get_value): Always use get_default_value on uninitialized
4238 (set_value_varying, surely_varying_stmt_p): New functions.
4239 (set_lattice_value): Do not pass argument to get_value.
4240 Do not handle UNKNOWN_VAL.
4241 (likely_value): Follow the semantics described in the comment.
4242 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4243 phi nodes DONT_SIMULATE_AGAIN.
4244 (ccp_fold): Do not pass argument to get_value.
4245 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4248 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4250 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4251 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4253 2006-11-08 Roger Sayle <roger@eyesopen.com>
4255 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4256 test for inclusion rather than as a test for exclusion.
4257 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4258 the condition after calling fold_binary.
4259 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4260 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4261 * builtins.c (fold_builtin_isascii): Likewise.
4262 (fold_builtin_isdigit): Likewise.
4264 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4266 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4267 * configure: Regenerate.
4269 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4271 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4272 enum argument instead of bool.
4273 (vect_analyze_operations): Call vectorizable_type_promotion.
4274 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4275 stmt_vec_info_type value.
4276 (supportable_widening_operation, vectorizable_type_promotion): New
4277 function declarations.
4278 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4279 (vectorizable_type_promotion): New function.
4280 (vect_transform_stmt): Call vectorizable_type_promotion.
4281 * tree-vect-analyze.c (supportable_widening_operation): New function.
4282 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4284 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4287 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4288 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4289 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4291 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4292 * expr.c (expand_expr_real_1): Likewise.
4293 * optabs.c (optab_for_tree_code): Likewise.
4294 (init_optabs): Initialize new optabs.
4295 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4296 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4297 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4298 vec_unpacku_lo_optab): Initialize new optabs.
4299 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4300 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4301 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4303 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4304 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4305 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4306 (vec_unpacku_lo_optab): New optabs.
4307 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4308 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4309 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4310 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4311 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4312 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4314 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4315 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4316 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4317 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4318 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4319 implement the unsigned unpacking patterns.
4320 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4321 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4322 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4323 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4324 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4325 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4326 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4327 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4328 multiplication patterns.
4330 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4331 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4332 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4333 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4334 (rs6000_builtin_mul_widen_odd): New.
4335 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4336 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4337 * tree-vectorizer.h (enum vect_relevant): New enum type.
4338 (_stmt_vec_info): Field relevant chaned from bool to enum
4340 (STMT_VINFO_RELEVANT_P): Updated.
4341 (STMT_VINFO_RELEVANT): New.
4342 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4343 instead of STMT_VINFO_RELEVANT_P.
4344 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4345 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4346 and boolean variable with enum vect_relevant.
4347 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4348 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4349 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4351 2006-11-08 Richard Henderson <rth@redhat.com>
4353 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4354 vec_widen_umult_lo_v8hi): New.
4355 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4356 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4358 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4359 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4360 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4361 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4362 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4363 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4364 vec_unpacks_lo_v4si): New.
4366 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4368 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4369 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4370 (vect_analyze_operations): Call vectorizable_type_demotion.
4371 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4372 stmt_vec_info_type value.
4373 (vectorizable_type_demotion): New function declaration.
4374 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4377 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4378 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4380 * tree-iniline.c (estimate_num_insns_1): Likewise.
4381 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4382 * optabs.c (optab_for_tree_code): Likewise.
4384 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4385 compared against the predicate of the result is not 'mode' (the input
4386 to the function) but a mode with half the size of 'mode'.
4387 (init_optab): Initialize new optabs.
4388 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4390 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4392 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4393 (vec_pack_usat_optab): Initialize new optabs.
4394 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4395 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4397 2006-11-08 Richard Henderson <rth@redehat.com>
4399 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4400 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4401 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4402 (vec_interleave_highv4si, vec_interleave_lowv4si):
4403 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4405 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4407 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4409 (vect_transform_stmt): Removed redundant code.
4411 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4413 * tree-vect-transform.c (vectorizable_operation): Support multiple
4416 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4418 * tree-vect-transform.c (vect_align_data_ref): Removed.
4419 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4420 Updated function documentation. Return the increment stmt in ptr_incr.
4421 (bump_vector_ptr): New function.
4422 (vect_get_vec_def_for_stmt_copy): New function.
4423 (vect_finish_stmt_generation): Create a stmt_info to newly created
4425 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4427 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4428 VF is greater than the number of elements that can fit in one vector
4430 (vectorizable_operation, vectorizable_condition): Likewise.
4431 (vectorizable_store, vectorizable_load): Support the case that the VF
4432 is greater than the number of elements that can fit in one vector word.
4433 (vect_transform_loop): Don't fail in case of multiple data-types.
4434 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4435 in case of multiple data-types; the smallest type determines the VF.
4436 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4437 if they are of different sizes.
4438 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4439 number of elements rather than number of bytes.
4440 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4441 (vect_can_advance_ivs_p): Fix a dump printout
4443 2006-11-07 Eric Christopher <echristo@apple.com>
4445 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4446 (__bswapsi2): Ditto.
4447 * libgcc2.h: Remove transformation of bswap routines.
4448 * config/i386/i386.md (bswapsi2): New.
4451 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4453 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4454 (handle_gnu_inline_attribute): New function.
4455 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4456 (merge_decls, start_decl, start_function): Likewise.
4457 * doc/extend.texi: Document gnu_inline attribute.
4459 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4462 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4463 _fixunstfdi, and _floatditf
4465 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4467 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4469 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4470 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4471 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4472 which start in an odd register.
4474 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4476 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4478 2006-11-07 Josh Conner <jconner@apple.com>
4480 * doc/invoke.texi (fstrict-aliasing): Move implementation
4482 * doc/tree-ssa.texi (Alias analysis): ...here.
4484 2006-11-07 Richard Guenther <rguenther@suse.de>
4486 PR tree-optimization/29610
4487 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4488 of tree_purge_dead_eh_edges as it may free dominators.
4490 * g++.dg/other/pr29610.C: New testcase.
4492 2006-11-07 David Ung <davidu@mips.com>
4494 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4495 costs when optimizing for size.
4496 (override_options): Use mips_rtx_cost_optimize_size table for cost
4499 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4501 * gcc.c (process_command): Treat -b as normal switch if its argument
4504 2006-11-07 David Ung <davidu@mips.com>
4506 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4509 2006-11-06 Eric Christopher <echristo@apple.com>
4511 * config.gcc: Add x86_64-darwin host support.
4512 * config.host: Ditto.
4513 * config/i386/darwin64.h: New file.
4514 * config/i386/t-darwin64: Ditto.
4516 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4518 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4519 and output-exists-not.
4521 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4524 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4525 checking for overflow.
4527 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4529 * configure.ac: Fixed typo in case statement: :: changed to ;;
4531 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4533 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4534 count_leading_zeros, and count_trailing_zeros.
4535 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4536 (TARGET_FOLD_BUILTIN): Define.
4537 (TARGET_EXPAND_BUILTIN): Define.
4538 (xtensa_init_builtins): New.
4539 (xtensa_fold_builtin): New.
4540 (xtensa_expand_builtin): New.
4541 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4542 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4543 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4544 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4545 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4546 (any_extend): New code macro.
4547 (u, su): New code attributes.
4548 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4549 (nsau): Remove; replaced by clzsi2.
4550 (ffssi2): Use clzsi2.
4551 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4552 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4553 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4554 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4555 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4557 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4559 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4561 * config/arm/t-strongarm-elf: Likewise.
4562 * config/arm/t-pe: Likewise.
4563 * config/arm/t-arm-elf: Likewise.
4564 * config/arm/t-xscale-elf: Likewise.
4565 * config/arm/t-arm-coff: Likewise.
4566 * config/arm/t-xscale-coff: Likewise.
4567 * config/arm/t-wince-pe: Likewise.
4569 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4571 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4574 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4577 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4580 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4583 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4584 as a valid 80387 constant.
4585 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4586 * config/i386/i386.md (unnamed splitter): Split the load of
4587 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4590 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4592 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4593 from the soft-frame, argument and virtual registers.
4595 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4597 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4598 patterns for standard 80387 constants.
4600 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4601 Steven Bosscher <steven@gcc.gnu.org>
4603 * fwprop.c: New file.
4604 * Makefile.in: Add fwprop.o.
4605 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4606 * passes.c (init_optimization_passes): Schedule forward propagation.
4607 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4609 * timevar.def (TV_FWPROP): New.
4610 * common.opt (-fforward-propagate): New.
4611 * opts.c (decode_options): Enable forward propagation at -O2.
4612 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4613 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4614 canon_for_address, table_size): Remove.
4615 (new_basic_block, insert, remove_from_table): Remove references to
4617 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4618 simplification loop more straightforward by not calling fold_rtx
4620 (equiv_constant): Move here a small part of fold_rtx_subreg,
4621 do not call fold_rtx. Call avoid_constant_pool_reference
4623 * recog.h (canonicalize_change_group): New.
4625 * doc/invoke.texi (Optimization Options): Document fwprop.
4626 * doc/passes.texi (RTL passes): Document fwprop.
4628 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4630 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4631 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4632 (grokdeclarator): Likewise.
4634 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4636 * tree-dump.c (dump_enable_all): Rename local variable
4637 ir_type to avoid name conflicts.
4638 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4639 instead of using ir_type().
4640 * profile.c (tree_register_profile_hooks): Likewise.
4641 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4642 * basic-block.h (struct edge_def): Likewise.
4643 * config/arm/arm.c (legitimize_pic_address): Likewise.
4644 * coretypes.h (ir_type): New enum of all intermediate languages
4646 * cfghooks.c (ir_type): Rename to...
4647 (current_ir_type): ...this. Distinguish between cfgrtl and
4648 cfglayout mode when the current IR is RTL. Return enum ir_type.
4649 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4651 2006-11-03 Paul Brook <paul@codesourcery.com>
4653 * config/arm/arm.c (arm_file_start): New function.
4654 (TARGET_ASM_FILE_START): Define.
4655 (arm_default_cpu): New variable.
4656 (arm_override_options): Set arm_default_cpu.
4658 2006-11-03 David Ung <davidu@mips.com>
4660 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4661 PROCESSOR_24KC and PROCESSOR_24KF.
4662 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4663 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4664 (mips_rtx_cost_data): Add costs for the 24kc.
4665 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4666 * config/mips/24k.md: Remove references to 24k and replace with
4667 uses of 24kc/24kf in the appropriate reservations.
4668 * doc/invoke.texi (MIPS Options): Updated.
4670 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4672 * config/sh/crt1.asm: Fix #ifdef indent.
4674 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4675 Merged from STMicroelectronics sources:
4676 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4677 * config/sh/crt1.asm (vbr_600): Add missing #if.
4678 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4679 * sh.opt (mfused-madd): New option.
4680 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4681 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4682 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4683 Remove pointless handler at VBR+0.
4684 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4685 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4686 fr7. Make sure the timer handler is called with the correct FPU
4687 precision setting, according to the ABI.
4688 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4689 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4690 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4691 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4692 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4693 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4694 zero as second operand.
4695 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4696 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4697 Fixed some bugs related to negative values, in particular -0
4698 and overflow at -0x80000000.
4699 * config/sh/divcost-analysis: Added sh4-300 figures.
4700 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4701 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4702 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4703 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4704 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4705 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4707 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4709 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4710 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4711 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4712 mac_mem, mem_mac, dfp_mul, fp_cmp.
4713 (insn_class, dfp_comp, any_fp_comp): Update.
4714 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4715 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4716 (muldf3_i): Likewise.
4717 (movsi_i): Split rI08 alternative into two separate alternatives.
4719 (movsi_ie, movsi_i_lowpart): Likewise.
4720 (movqi_i): Split ri alternative into two separate alternatives.
4722 * sh1.md (sh1_load_store, sh1_fp): Update.
4723 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4724 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4725 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4726 (sh4a_fp_double_arith): Likewise.
4727 * sh4-300.md: New file.
4728 * sh.c (sh_handle_option): Handle m4-300* options.
4729 (sh_adjust_cost): Fix latency of auto-increments.
4730 Handle SH4-300 differently than other SH4s. Check for new insn types.
4731 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4732 been set by an option.
4733 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4734 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4735 (mbranch-cost=): Likewise.
4736 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4738 * sh.md (mulsf3): Remove special expansion code.
4739 (mulsf3_ie): Now a define_insn_and_split.
4740 (macsf3): Allow for TARGET_SH4.
4742 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4743 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4744 (expand_cbranchdi4): Likewise.
4745 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4746 CONST_DOUBLE if the outer code is COMPARE.
4747 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4748 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4749 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4750 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4751 Remove redundant fp_{zero,one}_operand checks.
4752 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4753 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4754 (expand_cbranchdi4): Likewise.
4755 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4756 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4758 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4760 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4763 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4765 * doc/invoke.texi: Fix mfp-trap-mode typo.
4767 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4769 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4770 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4771 file_end_indicate_exec_stack.
4772 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4774 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4775 for a non-executable stack.
4776 * crti.asm: Likewise.
4777 * crtn.asm: Likewise.
4778 * libunwind.S: Likewise.
4780 2006-11-02 Ben Elliston <bje@au.ibm.com>
4782 * tree-ssa.c (warn_uninit): Use expand_location variables for
4783 locus and declaration locus.
4785 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4788 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4789 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4790 cmp{eq,gt,gtu}{si,di}_media.
4791 (*cmpne0si_media): Remove.
4792 (*movsicc_umin): Adjust gen_cmp*_media call.
4793 (unordered): Change the mode of unordered and operands[1] to
4795 (seq): Adjust gen_cmp*_media calls. Make the mode of
4796 a temporary result of compare SImode if needed. If the mode
4797 of operands[0] is DImode, extend the temporary result to DImode.
4798 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4799 (sunorderd): Change the mode of match_operand and unorderd to
4801 (cmpeq{sf,df}_media): Remove.
4802 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4803 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4804 and compare operation to SImode.
4806 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4808 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4810 (sparc64-sun-solaris2*): Likewise.
4812 2006-11-02 Paul Brook <paul@codesourcery.com>
4814 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4815 from priority argument. Use different section for non-default
4817 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4819 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4822 * except.c (switch_to_exception_section): Do not cache the section
4823 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4824 and flag_function_sections is set.
4826 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4829 * builtins.c (do_mpfr_sincos): New.
4830 (fold_builtin_1): Use it to fold builtin sincos.
4832 2006-11-01 Roger Sayle <roger@eyesopen.com>
4834 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4835 it into -D_REENTRANT.
4837 2006-11-01 Roger Sayle <roger@eyesopen.com>
4839 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4840 whether the assembler supports taking the difference of symbols in
4841 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4842 * configure: Regenerate.
4843 * config.in: Regenerate.
4844 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4845 the assembler doesn't support taking the difference of symbols in
4846 different sections, i.e. we're using the native solaris assembler.
4848 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4849 Peter Bergner <bergner@vnet.ibm.com>
4851 * doc/invoke.texi: Add cpu_type power6x
4852 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4853 * config.gcc: Add cpu_type power6x.
4854 * configure.ac: Add test for mf{t,f}gpr instructions.
4855 (HAVE_AS_MFPGPR): New.
4856 * config.in: Regenerate.
4857 * configure: Regenerate.
4858 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4859 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4860 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4861 and mftgpr attributes.
4862 (define_attr "cpu"): Add power6.
4863 Change instruction sequences to use new attributes.
4864 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4865 (fix_truncdfsi2_mfpgpr): New.
4866 (floatsidf_ppc64_mfpgpr): New.
4867 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4868 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4869 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4870 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4871 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4872 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4873 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4874 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4875 cntlz,exts and var_delayed_compare.
4876 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4877 _ARCH_PWR6X, if features enabled.
4878 * config/rs6000/rs6000.opt (mmfpgpr): New.
4879 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4880 (cached_can_issue_more): New variable.
4881 (processor_costs): Add power6_cost.
4882 (rs6000_sched_init): New function.
4883 (is_dispatch_slot_restricted): Deleted.
4884 (set_to_load_agen): New function.
4885 (is_load_insn,is_store_insn): New functions.
4886 (adjacent_mem_locations): New function.
4887 (insn_must_be_first_in_group): New function.
4888 (insn_must_be_last_in_group): New function.
4889 (rs6000_sched_reorder): New function.
4890 (rs6000_sched_reorder2): New function.
4891 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4892 TARGET_SCHED_REORDER2): Define.
4893 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4894 Add power6x. Add MASK_MFPGPR for power6x.
4895 (POWERPC_MASKS): Add MASK_MFPGPR.
4896 (rs6000_override_options): Set rs6000_always_hint to false
4897 for power6. Set rs6000_align_branch_targets. Replace
4898 rs6000_sched_groups check with rs6000_align_branch_targets.
4899 Use PROCESSOR_POWER6.
4900 (last_scheduled_insn): New variable.
4901 (load_store_pendulum): New variable.
4902 (rs6000_variable_issue): Set last_scheduled_insn and
4903 cached_can_issue_more.
4904 (rs6000_adjust_cost): Add power6 cost adjustments.
4905 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4906 with insn_must_be_first_in_group. Add power6 priority adjustments.
4907 (rs6000_issue_rate): Add CPU_POWER6.
4908 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4909 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4910 (TARGET_MFPGPR): New.
4911 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4912 (ASM_CPU_SPEC): Add power6x.
4913 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4915 * config/rs6000/power6.md: New file.
4917 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4919 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4920 HOST_WIDE_INT_PRINT to print high and low parts. Use
4921 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4922 printing a hexadecimal number prefix it with 0x.
4924 2006-11-01 Chris Johns <chris@contemporary.net.au>
4927 * Makefile.in (install-driver): Use exeext when installing
4928 $target-gcc-$version.
4930 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4932 * c-common.c (flag_cpp0x): New.
4933 * c-common.h (flag_cpp0x): New.
4934 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4935 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4936 * c-opts.c (set_std_cxx0x): New.
4937 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4938 * c.opt (std=c++0x): Document.
4939 (std=gnu++0x): Ditto.
4940 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4941 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4943 2006-11-01 Richard Guenther <rguenther@suse.de>
4945 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4947 (ix86_expand_floorceildf_32): Likewise.
4948 (ix86_expand_floorceil): Likewise.
4949 (ix86_expand_trunc): Likewise.
4951 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4953 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4956 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4958 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4960 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4962 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4964 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4965 * configure.ac (use_cxa_atexit): As a special case, don't test
4966 for libc definition of __cxa_atexit on mingw32
4967 * configure: Regenerate.
4968 * config.gcc (i[34567]86-pc-mingw32): Default to
4969 enable__cxa_atexit=yes.
4971 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4973 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4975 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4978 * c-decl.c (start_struct): Don't create self-containing
4980 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4982 * config/rs6000/rs6000-protos.h
4983 (darwin_rs6000_special_round_type_align): New.
4984 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4985 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4987 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4989 * toplev.c (compile_file): Call final_write_globals
4990 even if there have been errors.
4992 2006-10-31 Eric Christopher <echristo@apple.com>
4993 Falk Hueffner <falk@debian.org>
4995 * doc/extend.texi (__builtin_bswap32): Document.
4996 (__builtin_bswap64): Ditto.
4997 * doc/libgcc.texi (bswapsi2): Document.
4999 * doc/rtl.texi (bswap): Document.
5000 * optabs.c (expand_unop): Don't widen a bswap.
5001 (init_optabs): Init bswap. Set libfuncs explicitly
5002 for bswapsi2 and bswapdi2.
5003 * optabs.h (OTI_bswap): New.
5004 (bswap_optab): Ditto.
5005 * genopinit.c (optabs): Handle bswap_optab.
5006 * tree.h (tree_index): Add TI_UINT32_TYPE and
5008 (uint32_type_node): New.
5009 (uint64_type_node): Ditto.
5010 * tree.c (build_common_tree_nodes_2): Initialize
5011 uint32_type_node and uint64_type_node.
5012 * builtins.c (expand_builtin_bswap): New.
5013 (expand_builtin): Call.
5014 (fold_builtin_bswap): New.
5015 (fold_builtin_1): Call.
5016 * fold-const.c (tree_expr_nonnegative_p): Return true
5018 * builtin-types.def (BT_UINT32): New.
5020 (BT_FN_UINT32_UINT32): Ditto.
5021 (BT_FN_UINT64_UINT64): Ditto.
5022 * builtins.def (BUILT_IN_BSWAP32): New.
5023 (BUILT_IN_BSWAP64): Ditto.
5024 * rtl.def (BSWAP): New.
5025 * genattrtab.c (check_attr_value): New.
5026 * libgcc2.c (__bswapSI2): New.
5027 (__bswapDI2): Ditto.
5028 * libgcc2.h (__bswapSI2): Declare.
5029 (__bswapDI2): Ditto.
5030 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5031 * simplify-rtx.c (simplify_const_unary_operation): Return
5033 * libgcc-std.ver (__bwapsi2): Add.
5034 (__bswapdi2): Ditto.
5035 * reload1.c (eliminate_regs_1): Add bswap.
5036 (elimination_effects): Ditto.
5037 * config/i386/i386.h (x86_bswap): New.
5038 (TARGET_BSWAP): Use.
5039 * config/i386/i386.c (x86_bswap): Set.
5041 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5043 * coverage.c (coverage_checksum_string): Update comment.
5044 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5045 of get_file_function_name.
5046 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5047 of get_file_function_name_long.
5048 * tree.c (get_file_function_name): Rename from
5049 get_file_function_name_long; improve comment; handle 'I' and 'D'
5050 specially when the target has ctor/dtor support; remove special
5052 (get_file_function_name): Remove.
5053 * tree.h (get_file_function_name): Rename from
5054 get_file_function_name_long.
5055 (get_file_function_name): Remove prototype.
5057 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5059 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5060 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5062 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5063 Call dsymutil when compiling and linking one or more source files
5066 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5069 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5071 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5073 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5074 inline static functions in c99 mode.
5077 * doc/extend.texi (Inline): Update.
5078 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5079 * c-decl.c (current_extern_inline): Delete.
5080 (pop_scope): Adjust test for an undefined nested function.
5081 Add warning about undeclared inline function.
5082 (diagnose_mismatched_decls): Update comments. Disallow overriding
5083 of inline functions in a translation unit in C99. Allow inline
5084 declarations in C99 at any time.
5085 (merge_decls): Boolize variables. Handle C99 'extern inline'
5087 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5088 C99 inline semantics.
5089 (start_function): Don't clear current_extern_inline. Don't set
5091 (c_push_function_context): Don't push current_extern_inline.
5092 (c_pop_function_context): Don't restore current_extern_inline.
5095 * c-typeck.c (build_external_ref): Warn about static variables
5096 used in extern inline functions.
5097 * c-decl.c (start_decl): Warn about static variables declared
5098 in extern inline functions.
5100 2006-10-31 Roger Sayle <roger@eyesopen.com>
5103 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5104 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5105 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5106 or y is an even integer.
5108 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5111 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5112 * gthr-posix95.h (__gthread_active_p): Likewise.
5114 2006-10-31 Richard Guenther <rguenther@suse.de>
5116 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5117 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5118 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5119 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5120 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5121 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5122 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5123 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5126 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5128 * opts.c (decode_options): Disable CSE skip blocks.
5130 2006-10-30 Dirk Mueller <dmueller@suse.de>
5132 * c-common.h (strict_aliasing_warning): Fix whitespace.
5133 * c-decl (start_function): Move code for main decl warning ..
5134 * c-common.c (check_main_parameter_types): .. here.
5135 * c-common.h (check_main_parameter_types): Declare.
5137 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5140 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5142 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5144 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5145 be a PARALLEL containing sets. Return false when out_pat is not
5148 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5150 * config/mips/mips.md (mul<mode>3): Split into...
5151 (mulsi3, muldi3): ...these separate patterns.
5153 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5155 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5156 but with each set of options separated by spaces.
5158 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5160 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5161 dwarf_reg_size_table has been initialized.
5163 2006-10-30 Roger Sayle <roger@eyesopen.com>
5165 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5166 * ddg.c (print_ddg_edge): Likewise.
5167 * dwarf2out.c (prune_unused_types_walk): Likewise.
5168 * ifcvt.c (noce_try_cmove_arith): Likewise.
5169 * langhooks.c (add_builtin_function): Likewise.
5170 * reg-stack.c (subst_stack_regs_pat): Likewise.
5171 * tree.c (expanded_location): Likewise.
5172 * tree-dump.c (dequeue_and_dump): Likewise.
5174 2006-10-30 David Daney <ddaney@avtrex.com>
5176 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5178 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5180 PR tree-optimization/29637
5181 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5182 of the innertype is the innertype itself.
5184 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5186 * dwarf2out.c (file_name_acquire): Correct typo.
5188 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5190 * tree.h (tree_value_handle): Remove struct value_set declaration.
5191 Change value_set to bitmap_set.
5192 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5193 * tree-vn.c (get_value_handle): Made inline and moved to
5195 * tree-flow-inline.h: (has_stmt_ann): New function.
5196 * tree-ssa-pre.c (expressions): New variable.
5197 (next_expression_id): Ditto.
5198 (alloc_expression_id): New function.
5199 (struct value_set): Remove.
5200 (get_expression_id): New function.
5201 (get_or_alloc_expression_id): Ditto.
5202 (expression_for_id): Ditto.
5203 (clear_expression_ids): Ditto.
5204 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5205 (bb_value_sets): Renamed to bb_bitmap_sets.
5206 All value sets replaced with bitmap_sets.
5208 (BB_VISITED): New macro.
5209 (postorder): New variable.
5210 (add_to_value): Removed.
5211 (value_exists_in_set_bitmap): Ditto.
5212 (value_insert_into_set_bitmap): Ditto.
5215 (set_remove): Ditto.
5216 (set_contains_value): Ditto.
5217 (insert_into_set): Ditto.
5219 (find_leader): Ditto.
5220 (bitmap_set_subtract_from_value_set): Ditto.
5221 (value_insert_into_set): Ditto.
5222 (print_value_set): Ditto.
5223 (debug_value_set): Ditto.
5224 (constant_expr_p): New function.
5225 (bitmap_remove_from_set): Ditto.
5226 (bitmap_insert_into_set): Ditto.
5227 (bitmap_set_free): Ditto.
5228 (vh_compare): Ditto.
5229 (sorted_array_from_bitmap_set): Ditto.
5230 (bitmap_set_subtract): Ditto.
5231 (bitmap_set_equal): Ditto.
5232 (debug_bitmap_set): Ditto.
5233 (find_leader_in_sets): Ditto.
5234 (bitmap_set_replace_value): Modify for bitmapped sets.
5235 (phi_translate): Ditto.
5236 (phi_translate_set): Ditto.
5237 (bitmap_find_leader): Ditto.
5238 (valid_in_sets): Ditto.
5239 (union_contains_value): Ditto.
5241 (compute_antic_aux): Ditto. Mark changed blocks.
5242 (compute_antic): Ditto. Iterate in postorder and only over
5244 (compute_rvuse_and_antic_safe): Reuse postorder.
5245 (create_component_ref_by_pieces): Modify for bitmapped sets.
5246 (find_or_generate_expression): Ditto.
5247 (create_expression_by_pieces): Ditto.
5248 (insert_into_preds_of_block): Ditto.
5249 (changed_blocks): New variable.
5250 (do_regular_insertion): Broken out from insert_aux.
5251 (insert_aux): Modified for bitmapped sets.
5252 (find_existing_value_expr): New function.
5253 (create_value_expr_from): Use it.
5254 (insert_extra_phis): Removed.
5255 (print_bitmap_set): Renamed from bitmap_print_value_set.
5256 (compute_avail): Handle RETURN_EXPR.
5257 (init_pre): Modify for bitmapped sets.
5258 * tree-flow.h (has_stmt_ann): New function.
5260 2006-10-29 Roger Sayle <roger@eyesopen.com>
5262 * builtins.c (fold_builtin_floor): Check for the availability of
5263 the C99 trunc function before transforming floor into trunc.
5265 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5267 * builtins.c (fold_builtin_hypot): Rearrange recursive
5268 transformation before others, and also do ABS_EXPR. When
5269 necessary, check flag_unsafe_math_optimizations. When necessary,
5272 2006-10-29 Roger Sayle <roger@eyesopen.com>
5274 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5275 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5276 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5277 Fold -X eq/ne -Y as X eq/ne Y.
5279 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5281 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5282 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5283 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5284 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5285 Use an inclusive test for "mult" rather than "mul".
5286 (rotr<mode>3): Depend on ISA_HAS_ROR.
5287 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5289 (GENERATE_MULT3_DI): Delete.
5290 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5291 (ISA_HAS_MUL3): New macro.
5292 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5293 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5294 (ISA_HAS_CLZ_CLO): Likewise.
5295 (ISA_HAS_DCLZ_DCLO): Delete.
5296 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5297 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5298 the VR4120 and VR4130.
5299 (ISA_HAS_MACCHI): Use consistent formatting.
5300 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5301 (ISA_HAS_ROR): ...this new macro.
5302 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5303 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5304 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5306 2006-10-29 Roger Sayle <roger@eyesopen.com>
5308 PR tree-optimization/15458
5309 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5312 2006-10-29 Richard Guenther <rguenther@suse.de>
5314 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5315 (ix86_expand_truncdf_32): Likewise.
5316 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5317 trunc inline for SSE math and -fno-trapping-math and if not
5318 optimizing for size.
5319 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5320 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5321 for expanding btrunc inline for SSE math.
5323 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5325 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5326 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5327 i[34567]86-*-solaris2.1[0-9]*.
5328 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5329 Define conditionally depending on TARGET_64BIT_DEFAULT.
5330 (SPEC_32, SPEC_64): Define.
5331 (LINK_SPEC): Use them.
5332 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5334 2006-10-29 Richard Guenther <rguenther@suse.de>
5336 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5337 (ix86_expand_rounddf_32): Likewise.
5338 * config/i386/i386.c (ix86_expand_round): New function expanding
5339 round inline for SSE math and -fno-trapping-math and if not
5340 optimizing for size.
5341 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5342 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5343 round via ix86_expand_round.
5345 2006-10-29 Richard Guenther <rguenther@suse.de>
5347 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5348 (ix86_expand_floorceildf_32): Likewise.
5349 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5350 static helper function.
5351 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5353 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5354 * config/i386/i386.md (floordf2): Adjust to enable floor
5355 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5356 -fno-trapping-math is enabled and if not optimizing for size.
5357 (floorsf2, ceildf2, ceilsf2): Likewise.
5358 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5359 (sse2_maskcmpdf3): Likewise.
5361 2006-10-29 Richard Guenther <rguenther@suse.de>
5363 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5364 rint in case -fno-trapping-math is enabled.
5365 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5366 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5367 (ix86_expand_sse_fabs): Likewise.
5368 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5369 * config/i386/i386.md (rintdf2): Enable for SSE math if
5370 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5371 (rintsf2): Likewise.
5373 2006-10-29 Richard Guenther <rguenther@suse.de>
5375 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5376 to conversion optabs.
5377 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5378 as conversion optab.
5379 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5380 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5381 (lfloor_optab, lceil_optab): Adjust defines.
5382 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5383 lfloor and lceil optabs now being conversion optabs.
5384 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5385 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5386 New static helper function.
5387 (ix86_expand_lfloorceil): New function to expand lfloor and
5389 * config/i386/i386.md (lfloor<mode>2): Split into ...
5390 (lfloorxf<mode>2): ... x87 variant
5391 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5392 using ix86_expand_lfloorceil.
5393 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5395 * doc/md.texi (lfloorMN, lceilMN): Document.
5397 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5399 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5400 -mno-shared assembler option on mips targets.
5401 * configure, config.in: Regenerate.
5402 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5403 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5404 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5406 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5408 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5409 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5411 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5413 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5414 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5417 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5420 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5421 (fold_builtin_pow): Evaluate constant arguments at compile-time
5423 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5424 (do_mpfr_ckconv): New helper function.
5425 (do_mpfr_arg1): Use do_mpfr_ckconv.
5426 (do_mpfr_arg2): New.
5428 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5431 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5432 (-fdump-rtl-sched): Rename to ..
5433 (-fdump-rtl-sched1): here. Also fix file extension number.
5435 2006-10-28 Richard Guenther <rguenther@suse.de>
5437 * fold-const.c (maybe_canonicalize_comparison): Fix code
5440 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5442 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5443 (NON_QI_REG_P): Use IN_RANGE.
5444 (REX_INT_REGNO_P): Use IN_RANGE.
5445 (FP_REGNO_P): Use IN_RANGE.
5446 (SSE_REGNO_P): Use IN_RANGE.
5447 (REX_SSE_REGNO_P): Use IN_RANGE.
5448 (MMX_REGNO_P): Use IN_RANGE.
5449 (STACK_REGNO_P): New macro.
5450 (STACK_REG_P): Use STACK_REGNO_P.
5451 (NON_STACK_REG_P): Use STACK_REGNO_P.
5452 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5453 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5454 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5455 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5456 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5458 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5460 * except.h (output_function_exception_table): Add 'const char*' param.
5461 * except.c (switch_to_exception_section): Add 'const char*' param.
5462 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5463 and flag_function_sections is set, use a function-specific section.
5464 (output_function_exception_table): Add 'const char*' param.
5465 Adjust call to switch_to_exception_section.
5466 * final.c (rest_of_handle_final): Adjust calls to
5467 output_function_exception_table.
5468 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5469 * config.in: Regenerate.
5470 * configure: Likewise.
5472 2006-10-28 Richard Guenther <rguenther@suse.de>
5475 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5476 for maybe_canonicalize_comparison.
5477 (maybe_canonicalize_comparison): New function for canonicalizing
5479 (fold_comparison): Call it to canonicalize comparisons with
5482 2006-10-28 Richard Guenther <rguenther@suse.de>
5485 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5486 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5487 (expand_builtin): Adjust likewise.
5488 * genopinit.c (optabs[]): Add lround optab.
5489 * optabs.c (init_optabs): Initialize lround_optab.
5490 * optabs.h (enum convert_optab_index): Add COI_lround.
5491 (lround_optab): Define.
5492 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5493 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5495 (ix86_expand_lround): New function.
5496 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5498 * doc/md.texi (lroundMN2): Document.
5500 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5503 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5504 argument to HOST_WIDE_INT. Update function prototype.
5505 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5506 "size" argument to HOST_WIDE_INT. Update function prototype.
5508 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5510 * config/i386/i386.c (output_387_ffreep): Create output from a
5511 template string for !HAVE_AS_IX86_FFREEP.
5513 2006-10-27 Eric Christopher <echristo@apple.com>
5515 * config/darwin.c: Fix formatting and grammar.
5517 2006-10-27 Jan Hubicka <jh@suse.cz>
5519 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5520 to be thrown away soon when IGNORE is set.
5521 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5522 indicating when return value shall not be computed.
5523 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5525 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5527 * config/i386/i386.h (TARGET_GEODE):
5528 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5529 (TARGET_CPU_DEFAULT_geode): New macro.
5530 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5531 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5532 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5533 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5534 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5536 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5537 (processor_type): Add PROCESSOR_GEODE.
5539 * config/i386/i386.md: Include geode.md.
5542 * config/i386/i386.c (geode_cost): New initialized global
5544 (m_GEODE, m_K6_GEODE): New macros.
5545 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5546 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5547 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5548 x86_schedule): Use m_K6_GEODE instead of m_K6.
5549 (x86_movx, x86_cmove): Set up m_GEODE.
5550 (x86_integer_DFmode_moves): Clear m_GEODE.
5551 (processor_target_table): Add entry for geode.
5552 (processor_alias_table): Ditto.
5554 * config/i386/geode.md: New file.
5556 * doc/invoke.texi: Add entry about geode processor.
5558 2006-10-27 Mike Stump <mrs@apple.com>
5560 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5561 __DYNAMIC__ from here back to ...
5562 * config/darwin.h (CPP_SPEC): ... here.
5564 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5565 Nathan Sidwell <nathan@codesourcery.com>
5567 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5568 when choosing the minimum heapsize.
5570 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5572 * gcc/unwind-dw2.h: Move cfa-related variables into
5573 struct frame_state_reg_info to ensure that the CFA is properly
5574 handled when executing DW_CFA_{remember,restore}_state.
5575 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5576 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5577 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5578 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5579 gcc/config/rs6000/linux-unwind.h,
5580 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5581 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5582 Modify to use new cfa_* fields.
5584 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5586 * config/s390/s390.c (s390_init_frame_layout): Check positive
5589 2006-10-26 Ben Elliston <bje@au.ibm.com>
5591 * gimplify.c (get_name): Remove extraneous break.
5592 (gimplify_omp_for): Initialise ret with GS_OK.
5594 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5596 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5597 Add unix98.o to link line.
5599 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5602 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5603 Calculate compile-time constants using MPFR.
5604 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5605 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5607 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5609 * config/xtensa/lib2funcs.S: Use C-style comments.
5611 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5613 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5614 (file_table_relative_p): Likewise.
5615 (dwarf2out_finish): Likewise.
5616 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5618 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5620 * tree-ssa-structalias.c (intra_create_variable_infos):
5621 Don't recreate nonlocal_all if it already exists.
5623 2006-10-25 Richard Guenther <rguenther@suse.de>
5626 * optabs.h (enum optab_index): Remove OTI_lrint.
5627 (enum convert_optab_index): Add COI_lrint.
5628 (lrint_optab): Adjust.
5629 (expand_sfix_optab): Declare.
5630 * optabs.c (expand_sfix_optab): New function.
5631 (init_optabs): Init lrint_optab as conversion optab.
5632 * genopinit.c (lrint_optab): Change to a conversion optab.
5633 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5634 expansion via conversion optab.
5635 * config/i386/i386.md (*fistdi2_1): Remove
5636 flag_unsafe_math_optimizations guard.
5637 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5638 fist<mode>2_with_temp): Likewise.
5639 (lrint<mode>2): Split into...
5640 (lrintxf<mode>2): ... x87 part
5641 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5642 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5643 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5644 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5645 * doc/md.texi (lrintMN2): Document.
5647 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5650 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5651 Use inc and dec instructions for TARGET_USE_INCDEC.
5652 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5653 ("sync_double_compare_and_swap<mode>"): Likewise.
5654 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5655 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5656 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5657 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5658 ("sync_old_add<mode>"): Likewise.
5659 ("sync_lock_test_and_set<mode>"): Likewise.
5660 ("sync_lock_test_and_set<mode>"): Likewise.
5661 ("sync_add<mode>"): Likewise.
5662 ("sync_sub<mode>"): Likewise.
5663 ("sync_ior<mode>"): Likewise.
5664 ("sync_and<mode>"): Likewise.
5665 ("sync_xor<mode>"): Likewise.
5667 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5669 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5670 (remainder_optab): Define corresponding macro.
5671 (drem_optab): Remove.
5672 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5673 drem_optab initialization.
5674 * genopinit.c (optabs): Implement remainder_optab using
5675 remainder?f3 patterns. Remove drem_optab.
5676 * builtins.c (expand_builtin_mathfn_2): Handle
5677 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5678 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5679 expand_builtin_mathfn_2.
5681 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5682 depend on flag_unsafe_math_optimizations.
5684 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5685 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5686 Do not depend on flag_unsafe_math_optimizations. Use
5687 truncxf?f expander instead of truncxf?f_i387_noop.
5689 ("fpremxf4", "fprem1xf4"): Do not depend on
5690 flag_unsafe_math_optimizations.
5691 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5692 flag_unsafe_math_optimizations. Use truncxf?f expander
5693 instead of truncxf?f_i387_noop.
5695 * doc/md.texi (fmod, remainder): Document standard named pattern.
5697 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5698 David Daney <ddaney@avtrex.com>
5701 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5703 2006-10-25 Ben Elliston <bje@au.ibm.com>
5705 * doc/extend.texi (Variable Attributes): Typo fix.
5707 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5709 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5710 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5711 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5712 (FRAME_POINTER_REGNUM): Update register number to 21.
5713 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5714 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5716 * config/i386/i386.c (regclass_map): Add fpcr entry.
5717 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5719 (print_reg): Assert REGNO (x) != FPCR_REG.
5721 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5722 (DIRFLAG_REG): Renumber.
5723 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5724 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5725 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5726 hardcoded SSE register numbers.
5728 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5729 hardcoded MMX register numbers.
5731 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5734 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5735 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5737 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5738 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5739 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5740 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5742 2006-10-24 Richard Guenther <rguenther@suse.de>
5745 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5746 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5747 for deciding optimizations in consistency with fold-const.c
5748 (fold_builtin_unordered_cmp): Likewise.
5750 2006-10-24 Richard Guenther <rguenther@suse.de>
5752 * builtins.c (fold_builtin_floor): Fold floor (x) where
5753 x is nonnegative to trunc (x).
5754 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5755 nonnegative to FIX_TRUNC_EXPR.
5757 2006-10-24 Richard Guenther <rguenther@suse.de>
5759 PR tree-optimization/29567
5760 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5761 for TRUTH_NOT_EXPR. Clarify comments.
5763 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5766 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5767 at compile-time using MPFR. Change parameter VALUE to FUNC,
5769 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5770 for overflow and underflow at all times and avoid folding in
5773 2006-10-24 Ben Elliston <bje@au.ibm.com>
5775 * reload1.c: Formatting fixes.
5777 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5779 PR tree-optimization/14784
5780 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5781 * tree-ssa-structalias.c (get_constraint_for,
5782 intra_create_variable_infos): Set is_heapvar.
5783 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5784 non-heapvar pointer variables specially.
5786 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5789 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5790 fold_builtin_tan): Fold all constant arguments. Take a "type"
5791 argument as necessary.
5792 (do_mpfr_arg1): New.
5793 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5795 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5797 * config/xtensa/lib1funcs.asm: Use C-style comments.
5799 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5801 * tree.c (local_define_builtin): Replace calls to
5802 lang_hooks.builtin_function with add_builtin_function.
5803 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5805 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5807 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5808 common code to add_builtin_function.
5809 * langhooks.c (add_builtin_function): New function.
5810 (lhd_builtin_function): New function.
5811 * langhooks.h (struct lang_hooks): Change the signature of
5813 (add_builtin_function): New function.
5814 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5815 calls to lang_hooks.builtin_function with add_builtin_function.
5816 * c-common.c (decl_builtin_1): Replace calls to
5817 lang_hooks.builtin_function with add_builtin_function.
5818 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5819 lang_hooks.builtin_function with add_builtin_function.
5820 * config/frv/frv.c (def_builtin): Replace calls to
5821 lang_hooks.builtin_function with add_builtin_function.
5822 * config/s390/s390.c (s390_init_builtins): Replace calls to
5823 lang_hooks.builtin_function with add_builtin_function.
5824 * config/sparc/sparc.c (def_builtin): Replace calls to
5825 lang_hooks.builtin_function with add_builtin_function.
5826 * config/i386/i386.c (def_builtin): Replace calls to
5827 lang_hooks.builtin_function with add_builtin_function.
5828 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5829 lang_hooks.builtin_function with add_builtin_function.
5830 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5831 lang_hooks.builtin_function with add_builtin_function.
5832 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5833 Replace calls to lang_hooks.builtin_function with
5834 add_builtin_function.
5835 * config/iq2000/iq2000.c (def_builtin):
5836 Replace calls to lang_hooks.builtin_function with
5837 add_builtin_function.
5838 * config/ia64/ia64.c (def_builtin): Replace calls to
5839 lang_hooks.builtin_function with add_builtin_function.
5840 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5841 lang_hooks.builtin_function with add_builtin_function.
5842 (altivec_init_builtins): Replace calls to
5843 lang_hooks.builtin_function with add_builtin_function.
5844 * config/arm/arm.c (def_mbuiltin): Replace calls to
5845 lang_hooks.builtin_function with add_builtin_function.
5846 (arm_init_tls_builtins): Replace calls to
5847 lang_hooks.builtin_function with add_builtin_function.
5848 * config/mips/mips.c (mips_init_builtins): Replace calls to
5849 lang_hooks.builtin_function with add_builtin_function.
5850 * config/bfin/bfin.c (def_builtin): Replace calls to
5851 lang_hooks.builtin_function with add_builtin_function.
5852 * langhooks-def.h (lhd_builtin_function): New function.
5853 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5855 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5857 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5858 BUILT_IN_STRNCAT_CHK.
5860 2006-10-23 Jan Hubicka <jh@suse.cz>
5862 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5863 don't do conversion from memmove to memcpy here.
5864 (expand_builtin_bcopy, expand_builtin): Update call of
5865 expand_builtin_memmove.
5866 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5868 2006-10-23 Paul Brook <paul@codesourcery.com>
5870 * stor-layout.c (start_record_layout): maximum_field_alignment
5871 overrides STRUCTURE_SIZE_BOUNDARY.
5873 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5875 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5876 nonlocal function symbols if flag_pic.
5878 2006-10-23 Richard Guenther <rguenther@suse.de>
5882 * builtins.c (fold_binary): Remove checks for flag_wrapv
5883 and flag_trapv where negate_expr_p covers these cases.
5885 2006-10-23 Richard Guenther <rguenther@suse.de>
5888 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5889 of two on the absolute value.
5890 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5891 and negating -C does not overflow.
5893 2006-10-23 Richard Guenther <rguenther@suse.de>
5896 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5897 only if not flag_rounding_math.
5899 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5900 Kaz Kojima <kkojima@gcc.gnu.org>
5903 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5904 SImode memory reference for the source of a movua.
5905 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5906 (movua): Use an unspec instead of sign_extract. Expect the source
5907 to have mode BLKmode.
5908 (extv, insv): Use a BLKmode rather than SImode memory reference
5909 for the source of a movua.
5911 2006-10-22 Jeff Law <law@redhat.com>
5912 Richard Guenther <rguenther@suse.de>
5914 PR tree-optimization/15911
5915 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5916 (register_edge_assert_for_1): Likewise.
5917 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5918 (find_conditional_asserts): Adjust for new function signature.
5919 (find_assert_locations): Likewise.
5921 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5923 * config/i386/tmmintrin.h: Remove the duplicated content.
5925 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5927 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5928 (x86_64-*-*): Likewise.
5930 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5931 (override_options): Check SSSE3.
5932 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5933 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5934 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5935 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5936 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5937 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5938 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5939 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5940 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5941 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5942 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5943 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5944 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5945 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5946 IX86_BUILTIN_PABSD128.
5947 (bdesc_2arg): Add SSSE3.
5948 (bdesc_1arg): Likewise.
5949 (ix86_init_mmx_sse_builtins): Support SSSE3.
5950 (ix86_expand_builtin): Likewise.
5951 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5953 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5954 (UNSPEC_PSIGN): Likewise.
5955 (UNSPEC_PALIGNR): Likewise.
5956 Include mmx.md before sse.md.
5958 * config/i386/i386.opt: Add -mssse3.
5960 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5961 (ssse3_phaddwv4hi3): Likewise.
5962 (ssse3_phadddv4si3): Likewise.
5963 (ssse3_phadddv2si3): Likewise.
5964 (ssse3_phaddswv8hi3): Likewise.
5965 (ssse3_phaddswv4hi3): Likewise.
5966 (ssse3_phsubwv8hi3): Likewise.
5967 (ssse3_phsubwv4hi3): Likewise.
5968 (ssse3_phsubdv4si3): Likewise.
5969 (ssse3_phsubdv2si3): Likewise.
5970 (ssse3_phsubswv8hi3): Likewise.
5971 (ssse3_phsubswv4hi3): Likewise.
5972 (ssse3_pmaddubswv8hi3): Likewise.
5973 (ssse3_pmaddubswv4hi3): Likewise.
5974 (ssse3_pmulhrswv8hi3): Likewise.
5975 (ssse3_pmulhrswv4hi3): Likewise.
5976 (ssse3_pshufbv16qi3): Likewise.
5977 (ssse3_pshufbv8qi3): Likewise.
5978 (ssse3_psign<mode>3): Likewise.
5979 (ssse3_psign<mode>3): Likewise.
5980 (ssse3_palignrti): Likewise.
5981 (ssse3_palignrdi): Likewise.
5982 (abs<mode>2): Likewise.
5983 (abs<mode>2): Likewise.
5985 * config/i386/tmmintrin.h: New file.
5987 * doc/extend.texi: Document SSSE3 built-in functions.
5989 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5991 2006-10-22 Ira Rosen <irar@il.ibm.com>
5993 * tree-vect-transform.c (vectorizable_load): Use the type of the
5994 return value of the mask_for_load builtin to create realign_load
5997 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5999 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6002 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6004 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6005 (UNSPEC_LDDQU): This.
6006 * config/i386/sse.md (sse3_lddqu): Updated.
6008 2006-10-21 Richard Guenther <rguenther@suse.de>
6010 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6011 (expand_builtin): Use it to expand lrint instead of
6012 expand_builtin_mathfn.
6014 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6017 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6018 flag_unsafe_math_optimizations is set.
6020 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6023 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6024 patterns to use memory input operand in x87->mem->XMM
6025 reload sequences. Skip transformation for TARGET_K8.
6027 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6029 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6030 force operand1 to register if both operands are memory operands.
6031 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6032 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6033 if both operands are memory operands.
6034 (truncdfsf2): Do not force operand1 to register if both operands
6035 are memory operands.
6037 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6039 * Makefile.in (LIBS): Add $(GMPLIBS).
6040 * doc/install.texi: Update GMP and MPFR requirements.
6041 * doc/sourcebuild.texi (need_gmp): Delete.
6043 2006-10-21 Richard Guenther <rguenther@suse.de>
6045 PR tree-optimization/3511
6046 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6047 got new invariant arguments during PHI translation.
6049 2006-10-21 Richard Guenther <rguenther@suse.de>
6052 * fold-const.c (fold_comparison): Fold signed comparisons
6053 of the form X +- C1 CMP Y +- C2.
6055 2006-10-21 Richard Guenther <rguenther@suse.de>
6058 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6059 if flag_unsafe_math_optimizations is specified. We have
6060 flag_finite_math_only for that.
6061 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6062 or flag_unsafe_math_optimizations.
6064 2006-10-21 Richard Guenther <rguenther@suse.de>
6066 * builtins.c (fold_builtin_classify): Fix typo.
6068 2006-10-21 Richard Guenther <rguenther@suse.de>
6071 * simplify-rtx.c (simplify_const_relational_operation):
6072 Do not constant-fold ORDERED and UNORDERED for
6073 flag_unsafe_math_optimizations but only we do not need to
6074 honor NaNs for the given mode.
6076 2006-10-21 Richard Guenther <rguenther@suse.de>
6079 * config/i386/i386.c (classify_argument): Remove redundant
6080 walking of the BINFOs.
6081 (contains_128bit_aligned_vector_p): Likewise.
6083 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6085 * BASE-VER: Set to 4.3.0.
6087 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6089 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6090 (tree_decl_with_vis): Remove artificial_pta_var flag.
6091 * tree-flow.h (referenced_var_check_and_insert): Expose.
6092 (nonlocal_all): New prototype.
6093 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6094 (nonlocal_all): Make global.
6095 (nonlocal_lookup): Remove.
6096 (nonlocal_insert): Ditto.
6097 (create_nonlocal_var): Do not call nonlocal_insert.
6098 (get_nonlocal_id_for_type): Remove.
6099 (find_global_initializers): Mark new vars we find for renaming.
6100 (intra_create_variable_infos): Only create one nonlocal.
6101 (expand_nonlocal_solutions): Remove.
6102 (compute_points_to_sets): Don't call it.
6103 (ipa_pta_execute): Ditto.
6104 (init_alias_heapvars): Don't create nonlocal_for_type.
6105 (delete_alias_heapvars): Don't remove it.
6106 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6109 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6111 * doc/install.texi (Downloading GCC): Clarify mention of
6112 Fortran in the "full distribution" description.
6114 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6116 Fix PR tree-optimization/28778
6117 Fix PR tree-optimization/29156
6118 Fix PR tree-optimization/29415
6119 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6120 (tree_decl_with_vis): Add artificial_pta_var flag.
6121 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6122 pushed into callers.
6123 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6124 (nonlocal_all): Ditto.
6125 (struct variable_info): Add directly_dereferenced member.
6126 (var_escaped_vars): New variable.
6127 (escaped_vars_tree): Ditto.
6128 (escaped_vars_id): Ditto.
6129 (nonlocal_vars_id): Ditto.
6130 (new_var_info): Set directly_dereferenced.
6131 (graph_size): New variable
6132 (build_constraint_graph): Use graph_size.
6133 (solve_graph): Don't process constraints that cannot change the
6134 solution, don't try to propagate an empty solution to our
6136 (process_constraint): Set directly_dereferenced.
6137 (could_have_pointers): New function.
6138 (get_constraint_for_component_ref): Don't process STRING_CST.
6139 (nonlocal_lookup): New function.
6140 (nonlocal_insert): Ditto.
6141 (create_nonlocal_var): Ditto.
6142 (get_nonlocal_id_for_type): Ditto.
6143 (get_constraint_for): Allow results vector to be empty in the case
6144 of string constants.
6145 Handle results of calls properly.
6146 (update_alias_info): Update alias info stats on number and type of
6148 (find_func_aliases): Use could_have_pointers.
6149 (make_constraint_from_escaped): Renamed from
6150 make_constraint_to_anything, and changed to make constraints from
6152 (make_constraint_to_escaped): New function.
6153 (find_global_initializers): Ditto.
6154 (create_variable_info_for): Make constraint from escaped to any
6155 global variable, and from any global variable to the set of
6157 (intra_create_variable_infos): Deal with escaped instead of
6158 pointing to anything.
6159 (set_uids_in_ptset): Do type pruning on directly dereferenced
6161 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6162 (init_base_vars): Fix comment, and initialize escaped_vars.
6163 (need_to_solve): Removed.
6164 (find_escape_constraints): New function.
6165 (expand_nonlocal_solutions): Ditto.
6166 (compute_points_to_sets): Call find_escape_constraints and
6167 expand_nonlocal_solutions.
6168 (delete_points_to_sets): Don't fall off the end of the graph.
6169 (init_alias_heapvars): Initialize nonlocal_for_type and
6171 (delete_alias_heapvars): Free nonlocal_for_type and null out
6174 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6176 * fold-const.c (add_double): Rename to add_double_with_sign.
6177 Add 'unsigned_p' parameter and take it into account for the overflow.
6178 (mul_double): Rename to mul_double_with_sign.
6179 Add 'unsigned_p' parameter and take it into account for the overflow.
6180 (fold_div_compare): Call add_double_with_sign instead of add_double
6181 and mul_double_with_sign instead of mul_double, passing them the
6182 unsignedness of the type.
6183 * tree.h (add_double): Macroize.
6184 (add_double_with_sign): New prototype.
6185 (mul_double): Macroize.
6186 (mul_double_with_sign): New prototype.
6188 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6190 * config/score/crti.asm: New file.
6191 * config/score/crtn.asm: New file.
6192 * config/score/elf.h: New file.
6193 * config/score/mac.md: New file.
6194 * config/score/misc.md: New file.
6195 * config/score/mul-div.S: New file.
6196 * config/score/predicates.md: New file.
6197 * config/score/score7.md: New file.
6198 * config/score/score.c: New file.
6199 * config/score/score-conv.h: New file.
6200 * config/score/score.h: New file.
6201 * config/score/score.md: New file.
6202 * config/score/score-mdaux.c: New file.
6203 * config/score/score-mdaux.h: New file.
6204 * config/score/score-modes.def: New file.
6205 * config/score/score.opt: New file.
6206 * config/score/score-protos.h: New file.
6207 * config/score/score-version.h: New file.
6208 * config/score/t-score-elf: New file.
6209 * config.gcc: Add score*-*-* configurations(Update before).
6210 * doc/invoke.texi (Score Options): New section.
6211 * doc/md.texi (Score family): New section to document constraints.
6213 2006-10-19 Nick Clifton <nickc@redhat.com>
6215 * config/arm/arm.c: Fix spelling typo.
6217 2006-10-18 Tom Tromey <tromey@redhat.com>
6219 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6221 2006-10-18 Jan Hubicka <jh@suse.cz>
6224 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6227 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6229 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6230 TSI_SAME_STMT, since that's the desired entity.
6232 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6234 * config/s390/contraints.md: New file.
6235 * config/s390/s390-protos.h (s390_mem_constraint,
6236 s390_O_constraint_str, s390_N_constraint_str,
6237 s390_float_const_zero_p): Function prototypes added.
6238 * config/s390/s390.c (s390_extra_constraint_str,
6239 s390_const_double_ok_for_constraint_p,
6240 s390_const_ok_for_constraint_p): Functions removed.
6241 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6242 s390_float_const_zero_p): New functions.
6243 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6244 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6245 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6246 Macro definitions removed.
6247 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6248 s390_extra_constraint_str): Functions removed.
6250 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6251 Richard Sandiford <richard@codesourcery.com>
6254 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6255 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6257 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6259 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6260 (DWARF2_FRAME_REG_OUT): Likewise.
6261 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6262 (DWARF2_FRAME_REG_OUT): Likewise.
6264 2006-10-17 Paul Brook <paul@codesourcery.com>
6266 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6268 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6270 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6271 Standardize on "GNU Fortran" as the official name of the Fortran
6274 2006-10-16 Mike Stump <mrs@apple.com>
6276 * doc/invoke.texi (Darwin Options): Document -mkernel.
6277 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6279 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6280 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6281 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6282 (OS_MISSING_ALTIVEC): Add.
6283 * config/i386/i386.c (override_options): Add
6284 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6285 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6286 -mkernel, -static or -mdynamic-no-pic is given.
6287 (C_COMMON_OVERRIDE_OPTIONS): Add.
6288 * config/darwin.opt (fapple-kext): Add.
6290 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6291 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6293 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6294 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6295 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6296 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6297 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6298 (flag_mkernel): Add.
6299 (flag_apple_kext): Add.
6300 (TARGET_KEXTABI): Add.
6301 * config/darwin.c (darwin_handle_kext_attribute): Add.
6302 (DARWIN_VTABLE_P): Add.
6303 (darwin_binds_local_p): Add partial support for rebinding vtables
6305 (darwin_kextabi_p): Add.
6306 (darwin_override_options): Add.
6307 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6308 (darwin_kextabi_p): Add.
6309 (darwin_override_options): Add.
6310 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6311 __DYNAMIC__ and __STATIC__ here.
6313 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6315 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6316 Added mention of "make pdf" target, and Texinfo requirements for
6319 2006-10-16 DJ Delorie <dj@redhat.com>
6321 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6322 into the GOT in case we need a subreg of the address.
6324 2006-10-16 Richard Guenther <rguenther@suse.de>
6327 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6328 SSE builtin documentation. Document SSE2 builtins.
6330 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6332 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6333 symbol in the output file for non-shared links when -nostdlib or
6334 -nodefaultlibs isn't specified.
6336 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6337 posix thread support.
6339 2006-10-15 Jan Hubicka <jh@suse.cz>
6342 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6343 declared always_inline even when not inlining.
6345 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6346 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6347 Andrew Pinski <pinskia@gmail.com>
6350 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6352 2006-10-15 Jan Hubicka <jh@suse.cz>
6353 Richard Guenther <rguenther@suse.de>
6356 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6357 process_function_and_variable_attributes on all variables, including
6358 those discovered during cgraph construction phase.
6360 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6362 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6364 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6366 * config/i386/athlon.md (athlon_fist): Add fisttp.
6368 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6369 Ian Lance Taylor <ian@airs.com>
6372 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6373 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6376 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6378 * config/score/score.c, config/score/score.h: Fix comment
6381 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6384 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6387 2006-10-13 Eric Christopher <echristo@apple.com>
6389 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6391 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6394 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6395 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6396 alignment supported by 32-bit ELF.
6398 2006-10-13 Eric Christopher <echristo@apple.com>
6400 * config/darwin.c (darwin_emit_unwind_label): Strip
6401 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6403 2006-10-13 Richard Guenther <rguenther@suse.de>
6405 PR tree-optimization/29446
6406 * tree-vrp.c (fix_equivalence_set): Remove.
6407 (extract_range_from_assert): Do not call fix_equivalence_set.
6408 (debug_value_range): Print a newline.
6409 (compare_name_with_value): For equivalence sets with
6410 inconsistent value ranges conservatively bail out.
6411 (compare_names): Likewise.
6413 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6415 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6416 and MPFR for gfortran.
6418 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6420 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6421 alignment supported by 32-bit ELF.
6423 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6427 * c-typeck.c (digest_init): Always allow initializing vectors
6428 that have static storage duration with compound literals.
6429 * tree.c (build_type_attribute_qual_variant): New, based on
6430 build_type_attribute_variant.
6431 (build_type_attribute_variant): Rewrite using the former.
6432 (make_vector_type): Use build_type_attribute_qual_variant to build
6433 type variants. Use type_hash_canon on the others.
6435 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6436 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6438 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6440 2006-10-12 Jan Hubicka <jh@suse.cz>
6443 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6444 current_function_decl is set but current_function_scope is not.
6446 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6448 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6449 emit_insn to emit eh_return_internal instruction.
6450 (eh_return_internal): Explicitly set pc.
6452 2006-10-11 Richard Guenther <rguenther@suse.de>
6454 PR tree-optimization/28230
6455 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6456 to the correct place.
6458 2006-10-11 Richard Guenther <rguenther@suse.de>
6461 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6464 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6466 * configure.ac: Added pdf to "Make-hooks"
6467 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6468 targets and *.pdf file patterns in cleanup targets.
6469 * configure: Regenerated.
6471 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6473 * config/avr/predicates.md: New file.
6474 * config/avr/avr.md: Include it.
6475 (REG_SP): New constant.
6476 (peepholes): Use predicates.
6477 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6478 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6479 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6481 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6483 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6486 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6489 * builtins.c (var_decl_component_p): New function.
6490 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6491 single entry optimization to variables and components thereof.
6493 2006-10-10 Richard Guenther <rguenther@suse.de>
6495 PR rtl-optimization/29323
6496 * except.c (set_nothrow_function_flags): For functions
6497 that do not bind local bail out early.
6499 2006-10-10 Ben Elliston <bje@au.ibm.com>
6501 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6504 2006-10-09 Richard Henderson <rth@redhat.com>
6506 Revert emutls patch.
6508 2006-10-09 Richard Guenther <rguenther@suse.de>
6511 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6514 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6517 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6518 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6519 * configure: Regenerate.
6520 * config.in: Regenerate.
6522 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6524 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6526 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6528 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6529 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6530 Remove stray newline.
6532 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6534 * config/mips/mips.c (mips_classify_symbol): Do not return
6535 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6536 (mips_in_small_data_p): Tweak comments.
6538 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6540 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6542 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6544 * gimplify.c, sched-int.h: Fix comment typos.
6546 * sched-int.h: Fix comment typos.
6548 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6550 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6552 * sched-ebb.c (begin_schedule_ready): Use them.
6553 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6554 add_to_speculative_block, create_check_block_twin, speculate_insn,
6555 fix_jump_move, move_block_after_check): Ditto.
6556 * sched-rgn.c (new_ready): Ditto.
6558 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6560 PR rtl-optimization/29128
6561 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6562 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6563 allow interblock movement of speculation checks.
6565 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6568 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6569 casted to integer type.
6570 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6571 if they are significantly more expensive than [reg + index] ones.
6573 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6575 PR tree-optimization/29330
6576 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6577 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6578 on newly allocated ddrs.
6579 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6580 to VEC (loop_p, heap) pointer.
6581 (compute_data_dependences_for_loop): Adjust caller.
6582 (free_dependence_relations): Free DDR_LOOP_NEST.
6584 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6585 free DEPENDENCE_RELATIONS and DATAREFS.
6588 * builtins.c (expand_builtin_sync_operation,
6589 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6590 Use convert_to_mode to handle promoted arguments.
6592 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6594 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6596 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6598 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6600 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6602 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6603 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6604 Use <modeconstraint> instead of "r" as operand 1 constraint.
6606 2006-10-06 Olivier Hainque <hainque@adacore.com>
6608 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6609 Don't recurse on the pointed-to type.
6610 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6611 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6612 types with components of variable size.
6614 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6616 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6618 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6620 PR tree-optimization/29290
6621 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6625 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6626 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6629 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6630 the number of vector elements fill the rest with zeros.
6632 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6634 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6635 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6638 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6640 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6641 unnamed pattern into subsi3. Use correct constraints/predicates.
6642 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6643 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6645 2006-10-05 Ira Rosen <irar@il.ibm.com>
6647 * doc/loop.texi: Add data references analysis description.
6649 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6651 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6653 2006-10-04 Richard Henderson <rth@redhat.com>
6654 Jakub Jelinek <jakub@redhat.com>
6656 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6657 * builtin-types.def (BT_WORD): Make unsigned.
6658 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6659 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6660 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6661 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6662 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6663 * cgraph.c (decide_is_variable_needed): Look at force_output.
6664 Recurse for emulated tls.
6665 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6666 checks redundant with decide_is_variable_needed.
6667 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6668 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6670 * expr.c (emutls_var_address): New.
6671 (expand_expr_real_1): Expand emulated tls.
6672 (expand_expr_addr_expr_1): Likewise.
6673 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6674 * output.h (emutls_finish): Declare.
6675 * toplev.c (compile_file): Call it.
6676 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6677 address before wrapping in CONST.
6678 * varasm.c (emutls_htab, emutls_object_type): New.
6679 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6680 (get_emutls_object_name, get_emutls_object_type): New.
6681 (get_emutls_init_templ_addr, emutls_decl): New.
6682 (emutls_common_1, emutls_finish): New.
6683 (assemble_variable): When emulating tls, swap decls; generate
6684 constructor for the emutls objects.
6685 (do_assemble_alias): When emulating tls, swap decl and target name.
6686 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6688 * emutls.c: New file.
6689 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6690 tls_object for real tls.
6692 2006-10-04 Zack Weinberg <zackw@panix.com>
6694 Fix bug in constraint-check generator, reported by Rask Ingemann
6696 * genpreds.c (add_constraint): Don't remove anything from the
6698 (write_tm_constrs_h): Detect whether "op" argument is used, and
6699 mark it ARG_UNUSED if it isn't.
6700 (write_insn_const_int_ok_for_constraint): Skip the part of the
6701 expression that would test whether "op" (which is not available
6702 here) is a CONST_INT.
6704 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6707 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6709 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6711 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6712 current Leopard versions.
6713 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6715 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6717 * doc/install.texi: Fix typos.
6719 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6721 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6722 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6723 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6725 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6727 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6728 arg to be struct mach_header_64* instead.
6730 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6733 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6734 side effects after the outer expression's post side effects.
6736 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6738 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6739 comments to reflect actual behavior and relationship between
6740 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6742 * doc/c-tree.texi (Working with declarations): Fix documentation
6743 of FIELD_DECL likewise.
6745 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6748 * doc/extend.texi: Add used variable attribute description.
6750 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6753 * c.opt (Woverride-init): New.
6754 * c-opts.c (c_common_post_options): Default warn_override_init to
6756 * c-typeck.c (add_pending_init, output_init_element): Warn for
6757 overriding initializers without side effects.
6758 * doc/invoke.texi (-Woverride-init): Document.
6761 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6763 PR rtl-optimization/28096
6764 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6765 assignment has already been used as a destination earlier in the block.
6767 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6769 * builtins.c (expand_builtin_setjmp): Delete.
6770 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6771 <BUILT_IN_SETJMP_SETUP>: New case.
6772 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6773 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6774 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6775 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6776 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6777 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6778 (lower_function_body): Initialize it to false. If it is set to true
6779 at the end of the processing, emit the setjmp dispatcher.
6780 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6781 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6782 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6783 on the rhs of the assignment.
6784 (lower_builtin_setjmp): New function.
6785 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6786 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6787 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6788 to detect calls that can go to non-local labels. Use specific
6789 helper to create the abnormal edges associated with them.
6790 <MODIFY_EXPR>: Likewise.
6791 (make_abnormal_goto_edges): New function extracted from...
6792 (make_goto_expr_edges): ...here. Call it for computed gotos.
6793 (simple_goto_p): Minor tweak.
6794 (tree_can_make_abnormal_goto): New predicate.
6795 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6796 (tree_purge_dead_abnormal_call_edges): New function.
6797 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6798 (tree_purge_dead_abnormal_call_edges): Likewise.
6799 (make_abnormal_goto_edges): Likewise.
6800 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6801 Purge all dead abnormal edges if the call was in the last statement.
6802 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6803 (execute_fixup_cfg): If there are non-local labels in the function,
6804 scan the basic blocks and split them at calls that can go to non-local
6805 labels or add missing abnormal call edges. Write down the CFG in the
6807 (pass_fixup_cfg): Remove TODO_dump_func flag.
6808 * unwind-sjlj.c: Poison setjmp.
6809 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6810 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6811 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6812 (DONT_USE_BUILTIN_SETJMP): Document it.
6814 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6817 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6818 to 1 when __ppc64__ is defined.
6819 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6821 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6823 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6825 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6826 * config/ia64/unwind-hpux.c: Delete.
6828 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6830 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6831 on the element before gimplifying it, instead of punting if it is of
6834 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6836 * doc/loop.texi: New file.
6837 * doc/gccint.texi: Reference loop.texi.
6838 * Makefile.in (loop.texi): Add.
6840 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6842 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6844 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6845 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6847 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6849 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6851 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6853 * doc/install.texi: Document required versions of GMP and MPFR.
6855 2006-09-27 Paul Brook <paul@codesourcery.com>
6858 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6860 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6862 * reload1.c (alter_reg): Require the alignment of the stack slot to
6863 be at least reg_max_ref_width bytes.
6864 (scan_paradoxical_subregs): Record the largest width in
6867 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6871 * tree-nested.c (struct nesting_info): Added static_chain_added.
6872 (convert_call_expr): Set static_chain_added when adding static
6873 chain. Handle OMP_PARALLEL and OMP_SECTION.
6875 2006-09-25 Matthias Klose <doko@debian.org>
6877 * doc/invoke.texi: Add missing full stop.
6879 2006-09-25 Richard Henderson <rth@redhat.com>
6881 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6882 before cgraph_function_flags_ready.
6884 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6885 Adam Nemet <anemet@caviumnetworks.com>
6887 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6888 determine_common_wider_type): New functions.
6889 (get_computation_aff): Use them to simplify arithmetic between
6890 UBASE and CBASE if they are shortened from the same type.
6892 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6895 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6896 -2147483647 - 1 instead of 0x80000000.
6898 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6900 * flags.h (HONOR_NANS): Fix typo in comment.
6902 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6904 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6906 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6910 * tree.c (merge_attributes, attribute_list_contained): If both
6911 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6913 * c-typeck.c (comptypes_internal): Don't consider aggregates
6914 in different TUs as compatible if there one set of attributes is
6915 not a subset of the other type's attributes.
6916 (composite_type): Try harder not to create a new aggregate type.
6918 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6920 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6921 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6922 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6923 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6924 than replicating condition above.
6925 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6927 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6928 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6929 the linker by default.
6931 2006-09-22 Mike Stump <mrs@apple.com>
6933 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6936 2006-09-22 Richard Guenther <rguenther@suse.de>
6939 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6940 sort of stack variables stable.
6942 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6945 * explow.c (force_reg): Set REG_POINTER flag according to
6948 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6950 PR tree-optimization/28888
6951 * tree-if-conv.c (combine_blocks): Rewritten.
6952 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6953 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6955 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6957 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6960 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6962 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6964 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6966 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6968 2006-09-21 Roger Sayle <roger@eyesopen.com>
6971 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6972 dw_fde_current_label, to be the start of the function, i.e. the same
6973 value as dw_fde_begin.
6975 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6977 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6978 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6979 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6980 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6981 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6982 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6983 (abs<mode>2, neg<mode>2): Likewise.
6984 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6985 (*mips_abs_ps): New define_insn.
6987 2006-09-20 Josh Conner <jconner@apple.com>
6990 * calls.c (expand_call): Allow reuse of structure return stack
6993 2006-09-20 Paul Brook <paul@codesourcery.com>
6995 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6998 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7000 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7001 clean up terminology.
7003 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7006 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7007 with tablejumps in them.
7009 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7012 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7013 wrap it into TARGET_EXPR.
7015 2006-09-20 Eric Christopher <echristo@apple.com>
7017 * config/i386/i386.c (x86_fisttp): Remove.
7018 * config/i386/i386.h (x86_fisttp): Ditto.
7019 (TARGET_FISTTP): Ditto.
7021 2006-09-19 Eric Christopher <echristo@apple.com>
7023 * doc/tm.texi (OBJC_JBLEN): Describe.
7024 * config/i386/darwin.h (OBJC_JBLEN): Define.
7025 * config/rs6000/darwin.h: Ditto.
7027 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7029 PR rtl-optimization/21299
7030 * reload1.c (reload): Purge invalid ASMs in the final pass.
7032 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7035 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7036 pointers as legitimate constants.
7038 2006-09-19 Paul Brook <paul@codesourcery.com>
7041 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7043 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7045 PR tree-optimization/28887
7046 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7047 component parts from the reference.
7048 (gather_memory_references_ref): Record the reference without the
7049 nonaddressable component parts.
7051 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7054 * c-opts.c (c_common_handle_option): Ignore the -std options
7055 if the input language is assembly.
7057 2006-09-17 Ira Rosen <irar@il.ibm.com>
7060 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7062 (ptr_ptr_may_alias_p): Likewise.
7063 (record_record_differ_p): New function.
7064 (base_object_differ_p): Call record_record_differ_p.
7066 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7069 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7070 away for the expr argument.
7072 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7075 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7076 before using it for dumping after vectorizing loops.
7078 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7079 Jack Howarth <howarth@bromo.med.uc.edu>
7082 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7083 skip on error_mark_node.
7084 (rs6000_darwin64_record_arg_recurse): Likewise.
7086 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7088 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7089 * doc/rtl.texi: Remove related documentation.
7091 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7093 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7096 2006-09-15 Jim Wilson <wilson@specifix.com>
7098 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7099 Handle symbol offsets same as they are handled in ia64_expand_move
7102 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7104 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7105 Add forgotten parameter to the fprintf call.
7107 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7109 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7111 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7113 * doc/contrib.texi: Add my entry.
7115 2006-09-15 Nick Clifton <nickc@redhat.com>
7117 * doc/md.texi (Processor pipeline description): Fix typo in
7118 example of how to use the absence_set directive and reword the
7119 description to make it slightly easier to read.
7121 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7123 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7124 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7125 expanding the number of iterations.
7126 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7128 * cfgrtl.c (emit_insn_at_entry): New function.
7129 * rtl.h (emit_insn_at_entry): Declare it.
7130 * integrate.c (emit_initial_value_sets): Use it.
7132 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7134 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7136 (struct loop_work and related VEC declarations): Delete.
7137 (bfin_dump_loops): Print out new member bad.
7138 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7139 (bfin_scan_loop): Don't recurse.
7140 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7141 loops. No longer need to update outer loops if the current one is
7142 found bad. Move some validitiy checks to bfin_discover_loop.
7143 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7144 but changed not to check for nesting. Also changed to use the new bad
7146 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7147 time. Use bitmap based test to discover loop nesting.
7149 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7151 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7154 2006-09-14 Richard Guenther <rguenther@suse.de>
7155 Kazu Hirata <kazu@codesourcery.com>
7157 PR middle-end/28884.
7158 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7159 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7160 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7161 with TARGET_FUNCTION_VALUE.
7163 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7166 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7168 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7170 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7173 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7176 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7179 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7181 * basic_block.h (bb_has_eh_pred): Fix comment.
7183 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7185 * flow.c (calculate_global_regs_live): Invalidate eh registers
7186 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7187 (propagate_block): Handle eh registers as if they were set at basic
7189 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7191 * global.c (global_conflicts): Make eh registers to conflict with
7192 pseudos live at basic block begin.
7193 * basic_block.h (bb_has_eh_pred): New function.
7195 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7197 PR rtl-optimization/28982
7198 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7199 index of a PRE_MODIFY or POST_MODIFY address.
7200 * reload1.c (inc_for_reload): Use find_replacement on the original
7201 base and index registers.
7203 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7205 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7206 for -Os. Update __m128 alignment requirement.
7208 2006-09-13 Jan Hubicka <jh@suse.cz>
7210 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7212 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7214 PR rtl-optimization/28243
7215 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7216 the insn to which the note was originally attached.
7218 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7219 Roger Sayle <roger@eyesopen.com>
7221 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7222 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7223 on platforms that don't use dwarf for debug info.
7225 2006-09-12 Jason Merrill <jason@redhat.com>
7228 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7229 hard_frame_pointer_rtx after using it to update the frame pointer.
7231 2006-09-12 Roger Sayle <roger@eyesopen.com>
7233 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7234 (TARGET_ASM_CLOSE_PAREN): Likewise.
7235 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7236 (TARGET_ASM_CLOSE_PAREN): Likewise.
7238 2006-09-12 Roger Sayle <roger@eyesopen.com>
7241 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7242 frame information for frames larger than 512 Kbytes on Tru64 when
7243 using the native assembler.
7245 2006-09-12 Roger Sayle <roger@eyesopen.com>
7249 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7250 and symbols. Instead use the implementation from cse.c's hash_rtx.
7252 2006-09-12 Jan Hubicka <jh@suse.cz>
7254 PR rtl-optimization/28071
7255 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7256 (vect_transform_loop): Likewise.
7257 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7258 (new_loop_vec_info): Likewise.
7259 (destroy_loop_vec_info): Likewise.
7260 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7261 (create_stmt_ann): Likewise.
7262 (create_tree_ann): Rename to ...
7263 (create_tree_common_ann): ... this one; allocate only the common part
7265 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7266 (get_value_handle): Likewise.
7267 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7268 get_tree_common_ann.
7269 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7270 (vinfo_for_stmt): Use stmt annotations.
7271 * tree-flow.h (tree_ann_common_t): New type.
7272 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7273 (tree_ann, get_tree_ann, create_tree_ann): New.
7274 * tree-flow-inline.h (get_function_ann): Do more type checking.
7275 (stmt_ann): Likewise.
7276 (tree_ann): Rename to ...
7277 (tree_common_ann): ... this one; return ony common_ann
7278 (get_tree_ann): Rename to ...
7279 (tree_common_ann): This one; return only common_ann.
7280 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7283 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7285 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7286 with_cpu by default.
7288 * dwarf2out.c (dwarf_file_data): New.
7289 (enum dw_val_class): Add dw_val_class_file.
7290 (struct dw_val_struct): Add val_file.
7291 (file_table): Change to a hash table.
7292 (file_table_emitted): Delete.
7293 (file_table_last_lookup_index): Delete.
7294 (emitcount): Delete.
7295 (last_emitted_file): New.
7296 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7297 (init_file_table): Delete.
7298 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7299 (AT_addr): Add comment.
7303 (print_die): Handle dw_val_class_file.
7304 (print_dwarf_line_table): Update for new file table structure.
7305 (attr_checksum): Do checksum a filename.
7306 (same_dw_val_p, same_attr_p): Do compare a filename.
7307 (size_of_die): Handle dw_val_class_file.
7308 (value_format): Likewise.
7309 (output_die): Likewise. Also, call maybe_emit_file here.
7310 (struct file_info): Constify filenames. Make file_idx a pointer
7311 to a struct dwarf_file_data.
7312 (struct dir_info): Constify directory names. Remove 'used' field.
7313 (struct file_name_acquire_data): New.
7314 (file_name_acquire): New.
7315 (output_file_names): Modify to handle new file data structures.
7316 (add_src_coords_attributes): Use add_AT_file.
7317 (add_call_src_coords_attributes): Likewise.
7318 (dwarf2out_imported_module_or_decl): Likewise.
7319 (gen_subprogram_die): Modify for new file data structures.
7320 (gen_variable_die): Likewise.
7321 (file_table_eq): New.
7322 (file_table_hash): New.
7323 (file_table_last_lookup): New.
7324 (lookup_filename): Rewrite to handle new file data structures.
7325 (maybe_emit_file): Rewrite to handle new file data structures.
7326 (dwarf2out_source_line): Always call lookup_filename and
7328 (dwarf2out_init): Create file_table here.
7329 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7330 (file_table_relative_p): New.
7331 (dwarf2out_finish): Change detection of relative filenames
7332 to work with new file data structures. Move output_line_info call
7333 after debug_info output.
7335 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7340 * config/i386/i386.c (override_options): Always default to 16
7341 byte stack boundary.
7343 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7346 * var-tracking.c (dump_dataflow_set): Start dumping at
7348 (clobber_variable_part): Kill only the variable part in
7349 registers holding it, leaving other variables alone.
7351 2006-09-11 Josh Triplett <josh@freedesktop.org>
7353 * doc/extend.texi (Other Builtins): Actually use the macro
7354 argument in the documentation example for
7355 __builtin_types_compatible_p.
7357 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7359 PR rtl-optimization/28726
7360 * sched-deps.c (sched_analyze_reg): New function extracted from...
7361 (sched_analyze_1): ...here. Call it to analyze references to
7362 registers. Treat again writes to a stack register as writing to the
7364 (sched_analyze_2): ...and here. Call it to analyze references to
7365 registers. Treat again reads of a stack register as reading the
7368 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7369 David Edelsohn <edelsohn@gnu.org>
7372 * config/rs6000/spe.md (frob_df_di): Remove %H.
7373 (frob_di_df): Remove %H. Change evmergelo to mr.
7374 (frob_di_df_2): Remove %H. Change evldd to two loads.
7376 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7378 * doc/cpp.texi: Fix names of charset options.
7380 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7383 * config/i386/i386.c (override_options): Use 128-bit
7384 stack boundary always for 64bits.
7386 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7388 PR rtl-optimization/28636
7389 * combine.c (force_to_mode): Test for side-effects before
7390 substituting by zero.
7391 (simplify_shift_const): Likewise for zero or other constants.
7393 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7396 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7399 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7402 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7403 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7404 returned by mode_for_size, rather than the mode of src itself,
7405 to choose between 32-bit and 64-bit patterns.
7406 (mips_mem_fits_mode_p): New function.
7407 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7408 that the size of the source matches the size of the destination.
7409 (mov_<store>l, mov_<store>r): Likewise.
7411 2006-09-10 Eric Christopher <echristo@apple.com>
7413 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7416 2006-09-09 Eric Christopher <echristo@apple.com>
7419 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7422 2006-09-09 Roger Sayle <roger@eyesopen.com>
7423 Nicolas Setton <setton@adacore.com>
7425 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7427 2006-09-10 Andreas Schwab <schwab@suse.de>
7429 * config/m68k/m68k.md (bungt_rev): New pattern.
7431 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7432 Dale Johannesen <dalej@apple.com>
7435 * regclass.c (struct reg_pref): Update documentation.
7436 (regclass): Set prefclass to NO_REGS if memory is the best option.
7437 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7439 2006-09-08 Eric Christopher <echristo@apple.com>
7441 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7442 * config/t-slibgcc-darwin: Support x86_64 multilib.
7443 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7444 Return 1 for x86_64-darwin.
7445 * config/i386/t-darwin: Add m64 multilib.
7446 (LIB2_SIDITI_CONV_FUNCS): Use.
7447 (LIB2FUNCS_EXTRA): Ditto.
7448 * config/i386/darwin.h: Support x86_64.
7449 * config/i386/i386.c (override_options): Turn on flag_pic
7450 for x86_64-darwin. Disable flag_omit_pointer.
7451 (get_pc_thunk_name): Assert !TARGET_64BIT.
7452 (legitimate_address_p): Disable machopic addressing for
7454 (legitimize_pic_address): Ditto.
7455 (ix86_expand_move): Ditto.
7456 (ix86_expand_call): Ditto.
7457 (machopic_output_stub): Ditto.
7458 * config/darwin.c (machopic_select_section): Support literal16.
7459 (machopic_select_rtx_section): Ditto.
7460 * config/darwin-sections.def: Ditto.
7461 * config/darwin-64.c: New.
7463 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7466 * c-tree.h (struct c_arg_info): Add pending_sizes.
7467 * c-parser.c (c_parser_parms_declarator,
7468 c_parser_parms_list_declarator): Initialize pending_sizes.
7469 * c-decl.c (get_parm_info): Initialize pending_sizes.
7470 (get_parm_info): Set pending_sizes.
7471 (grokdeclarator): Call put_pending_sizes for parameters for
7472 function definition only.
7474 2006-09-07 Jason Merrill <jason@redhat.com>
7477 * varasm.c (output_constant): Only strip actual no-op conversions.
7480 * config/i386/i386.c (override_options): Use 128-bit
7481 stack boundary if -msse.
7483 2006-09-07 Eric Christopher <echristo@apple.com>
7485 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7487 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7490 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7492 * dwarf2out.c: Remove strange characters from comment above
7493 dwarf2out_frame_debug_expr.
7495 2006-09-07 Eric Christopher <echristo@apple.com>
7497 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7498 * config/darwin.h: ... to here.
7500 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7502 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7504 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7505 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7507 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7508 TARGET_PARTIAL_FLAG_REG_STALL.
7509 (*ashldi3_cconly_rex64): Likewise.
7510 (*ashlsi3_cmp): Likewise.
7511 (*ashlsi3_cconly): Likewise.
7512 (*ashlsi3_cmp_zext): Likewise.
7513 (*ashlhi3_cmp): Likewise.
7514 (*ashlhi3_cconly): Likewise.
7515 (*ashlqi3_cmp): Likewise.
7516 (*ashlqi3_cconly): Likewise.
7517 (*ashrdi3_cmp_rex64): Likewise.
7518 (*ashrdi3_cconly_rex64): Likewise.
7519 (*ashrsi3_cmp): Likewise.
7520 (*ashrsi3_cconly): Likewise.
7521 (*ashrsi3_cmp_zext): Likewise.
7522 (*ashrhi3_cmp): Likewise.
7523 (*ashrhi3_cconly): Likewise.
7524 (*ashrqi3_cmp): Likewise.
7525 (*ashrqi3_cconly): Likewise.
7526 (*lshrdi3_cmp_rex64): Likewise.
7527 (*lshrdi3_cconly_rex64): Likewise.
7528 (*lshrsi3_cmp): Likewise.
7529 (*lshrsi3_cconly): Likewise.
7530 (*lshrsi3_cmp_zext): Likewise.
7531 (*lshrhi3_cmp): Likewise.
7532 (*lshrhi3_cconly): Likewise.
7533 (*lshrqi2_cmp): Likewise.
7534 (*lshrqi2_cconly): Likewise.
7536 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7539 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7540 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7541 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7542 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7543 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7544 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7545 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7546 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7547 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7548 implement only CC setting effects of shift instructions.
7550 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7552 * doc/contrib.texi: Add myself.
7554 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7557 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7558 was set by the user.
7560 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7563 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7564 (divsi_inv_m1): Use them.
7565 (UNSPEC_DIV_INV_TABLE): New constant.
7567 2006-09-06 James E Wilson <wilson@specifix.com>
7570 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7571 then call count_or_remove_death_notes.
7573 2006-09-06 Jason Merrill <jason@redhat.com>
7576 * tree-inline.c (copy_result_decl_to_var): New fn.
7577 (declare_return_variable): Use it. Call declare_inline_vars here.
7578 (expand_call_inline): Not here.
7580 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7582 * doc/contrib.texi: Update my entry.
7584 2006-09-06 Nick Clifton <nickc@redhat.com>
7586 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7588 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7591 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7592 (canonicalize_induction_variables): Likewise.
7593 (tree_unroll_loops_completely): Likewise.
7594 (tree_ssa_prefetch_arrays): Likewise.
7595 (remove_empty_loops): Likewise.
7596 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7597 TODO_cleanup_cfg instead of directly calling
7598 cleanup_tree_cfg_loop.
7599 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7601 (tree_unroll_loops_completely): Likewise.
7602 (remove_empty_loops): Likewise.
7603 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7604 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7605 of tree_ssa_unswitch_loops.
7606 (tree_ssa_loop_ivcanon): Use the return value of
7607 canonicalize_induction_variables.
7608 (tree_ssa_empty_loop): Use the return value of
7610 (tree_complete_unroll): Use the return value of
7611 tree_unroll_loops_completely.
7612 (tree_ssa_loop_prefetch): Use the return value of
7613 tree_ssa_prefetch_arrays.
7614 * passes.c (execute_todo): Before Cleanup CFG, set
7615 updating_used_alone and after cleanup CFG, call
7616 recalculate_used_alone.
7618 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7621 * tree-vect-transform.c (vectorizable_condition): Move the check
7622 for the type after the check for simple condition.
7624 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7625 Kaz Kojima <kkojima@gcc.gnu.org>
7628 * mode-switching.c (optimize_mode_switching): Make the destination
7629 block of an abnormal edge have no anticipatable mode. Don't
7630 insert mode switching code at the end of the source block of
7633 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7635 PR rtl-optimization/26847
7636 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7637 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7638 (simplify_plus_minus): Count n_constants while filling ops. Replace
7639 qsort with insertion sort. Before going through the array to simplify
7640 pairs, sort it. Delay early exit until after the first sort, exiting
7641 only if no swaps occurred. Simplify pairs in reversed order, without
7642 special-casing the first iteration. Pack ops after simplifying pairs.
7644 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7646 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7647 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7648 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7649 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7651 2006-09-05 Richard Guenther <rguenther@suse.de>
7653 PR tree-optimization/28900
7654 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7655 compound conditional before creating COND_EXPR condition.
7657 2006-09-05 Richard Guenther <rguenther@suse.de>
7659 PR tree-optimization/28905
7660 * tree-vrp.c (fix_equivalence_set): Manually implement
7661 !value_ranges_intersect_p to also handle symbolic ranges.
7663 2006-09-05 Richard Guenther <rguenther@suse.de>
7666 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7669 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7671 PR rtl-optimization/27616
7672 * cse.c (table_size): New static variable.
7673 (new_basic_block): Initialize it to 0.
7674 (remove_from_table): Decrement it.
7675 (insert): Increment it.
7676 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7677 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7678 fold_rtx_mem_1 if under the cap.
7679 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7680 the lookup of the equivalent expression and test for equality of the
7681 first operand of the equivalent expression before in turn looking up
7682 an equivalent constant for the second operand.
7684 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7687 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7688 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7689 pointer, instead of assuming it is possible to derive the
7690 correct args size from a call insn.
7692 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7695 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7696 (fold_builtin_mempcpy): Rename to...
7697 (fold_builtin_memory_op): ... this. Optimize one element copy
7699 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7701 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7702 (expand_builtin_memcpy, expand_builtin_mempcpy,
7703 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7704 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7705 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7706 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7708 2006-09-01 DJ Delorie <dj@redhat.com>
7710 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7711 (stzx_16): Likewise.
7712 ("stzx_24_<mode>"): Likewise.
7713 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7714 ("cmp<mode>_op"): New.
7715 (cmp<mode>): Change to expander; just save operands.
7717 (b<code>): Change to expander, emit compare here.
7718 (s<code>_op): Change to use split and expander.
7719 (s<code>_24_op): Likewise.
7720 (s<code>_<mode>): New.
7721 (s<code>_<mode>_24): New.
7722 (movqicc_<code>_<mode): New.
7723 (movhicc_<code>_<mode>): New.
7726 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7727 (m32c_pend_compare): New.
7728 (m32c_unpend_compare): New.
7729 (m32c_expand_scc): New.
7730 (m32c_expand_movcc): Emit the compare also.
7731 * config/m32c/predicates.md (mra_nopp_operand): New.
7733 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7734 Richard Guenther <rguenther@suse.de>
7735 Adam Nemet <anemet@caviumnetworks.com>
7738 * builtins.c (get_pointer_alignment): Handle more forms
7739 of base addresses that can be used to derive more precise
7740 information about alignment.
7742 2006-09-01 Jason Merrill <jason@redhat.com>
7745 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7748 * gimplify.c (voidify_wrapper_expr): Handle null type.
7750 2006-09-01 Josh Conner <jconner@apple.com>
7753 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7754 (execute_return_slot_opt): Use it.
7756 2006-08-31 Josh Conner <jconner@apple.com>
7759 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7760 returning aggregates.
7762 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7764 PR tree-optimization/28839
7765 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7766 blocks in that phi arguments appear.
7768 2006-08-31 Roger Sayle <roger@eyesopen.com>
7771 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7772 NULL, otherwise use an advance_loc4 to adjust relative to the
7774 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7775 (dwarf2out_switch_text_section): Reset the current label to avoid
7776 using advance_loc4 over section boundaries.
7778 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7781 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7782 r12 + SYMBOLIC_CONST.
7784 2006-08-30 Richard Guenther <rguenther@suse.de>
7786 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7788 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7790 PR rtl-optimization/27735
7791 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7792 Add new argument to keep track of whether an irreducible region
7793 was affected. All callers changed.
7794 (fix_irreducible_loops): Removed.
7795 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7796 flags were invalidated.
7798 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7800 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7801 instead of SF operands.
7802 (*fop_df_comm_sse): Likewise.
7803 (*fop_df_comm_i387): Likewise.
7804 (*fop_df_1_mixed): Likewise.
7805 (*fop_df_1_sse): Likewise.
7807 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7808 J"orn Rennecke <joern.rennecke@st.com>
7810 PR tree-optimization/17506
7811 * tree-ssa.c (warn_uninit): If warning about a location outside of
7812 the current function, note where the variable was declared.
7814 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7816 PR tree-optimization/28411
7817 * double-int.c (double_int_div): Use double_int_divmod.
7818 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7819 double_int_mod, double_int_smod, double_int_umod): New functions.
7820 * double-int.h (double_int_divmod, double_int_sdivmod,
7821 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7823 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7825 (get_computation_aff, get_computation_cost_at): Handle double_int
7826 return type of constant_multiple_of.
7828 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7831 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7832 an implicit conversion.
7834 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7836 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7838 2006-08-27 Roger Sayle <roger@eyesopen.com>
7840 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7843 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7845 * config/i386/crtfastmath.c: Fix a comment typo.
7847 2006-08-26 Roger Sayle <roger@eyesopen.com>
7849 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7850 temporary visit flags on CASE_LABEL_EXPRs.
7851 * c-common.c (match_case_to_enum): Add function comment. Avoid
7852 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7853 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7854 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7855 a constant, only warn if that constant value isn't handled.
7857 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7860 * input.h (restore_input_file_stack): Declare.
7861 (INPUT_FILE_STACK_BITS): Define.
7862 * toplev.c (fs_p, input_file_stack_history,
7863 input_file_stack_restored, restore_input_file_stack): New.
7864 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7865 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7866 (pop_srcloc): Don't free old state of stack.
7868 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7871 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7872 (PowerPC Type Attributes): New.
7874 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7876 * config/xtensa/xtensa.c (function_arg_boundary): New.
7877 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7879 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7880 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7882 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7885 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7888 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7890 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7891 (verify_local_live_at_start): Likewise.
7893 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7896 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7897 omp_add_variable): Treat sizes as variable whenever not
7900 2006-08-26 Richard Guenther <rguenther@suse.de>
7903 * fold-const.c (fold_binary): Fold temporary to correct
7904 type before constructing new comparison.
7906 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7909 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7910 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7912 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7915 * c-decl.c (start_function): Don't try to process prototype
7916 information from old declaration that isn't a function.
7918 2006-08-25 Jan Hubicka <jh@suse.cz>
7921 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7923 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7926 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7929 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7931 PR tree-optimization/16876
7932 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7933 exit if PARM doesn't match VALUE.
7935 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7937 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7938 literal_prefix directive.
7939 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7940 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7941 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7943 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7946 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7947 predicate to general_operand. Add 0->y and I->r alternatives.
7949 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7951 * doc/tm.texi: Fix a typo.
7952 * predict.c: Fix comment typos.
7954 2006-08-25 Nick Clifton <nickc@redhat.com>
7956 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7957 assertions of "cpu" and "machine".
7959 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7962 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7963 the access through a base which has an alias set of 0 cannot
7966 2006-08-24 Bill Wendling <wendling@apple.com>
7968 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7970 2006-08-24 Jan Hubicka <jh@suse.cz>
7972 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7974 2006-08-24 Jan Hubicka <jh@suse.cz>
7977 * cgraph.c: Fix comments.
7978 (cgraph_varpool_mark_needed_node): Mark only variables not already
7980 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7981 (cgraph_varpool_assembled_nodes_queue): New static variable.
7982 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7983 (cgraph_varpool_output_debug_info): New function.
7984 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7985 * Makefile.in: Add gt-cgraphunit.h
7987 2006-08-24 Jan Hubicka <jh@suse.cz>
7989 * predict.c (probability_reliable_p): New predicate.
7990 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7991 (predict_loops): Do not predict loop exit with less than 2%
7993 * basic-block.h (edge_probability_reliable_p,
7994 br_prob_note_reliable_p): Declare.
7995 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7996 prediction when static predictor is not reliable.
7997 * rs6000.c (output_cbranch): Likewise.
7999 2006-08-23 Stuart Hastings <stuart@apple.com>
8002 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8003 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8005 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8008 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8009 complex values, nor for generic vector values.
8011 2006-08-22 Richard Guenther <rguenther@suse.de>
8014 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8015 parameter. Convert arguments to arithmetic expression to the
8017 (analyze_scalar_evolution_1): Adjust caller.
8019 2006-08-22 Jan Hubicka <jh@suse.cz>
8021 Patch by Paolo Bonzini
8022 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8025 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8027 PR tree-optimization/28003
8028 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8029 before grouping aliases.
8031 2006-08-22 Roger Sayle <roger@eyesopen.com>
8033 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8034 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8036 2006-08-21 Jason Merrill <jason@redhat.com>
8039 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8040 wrapper. Loop to handle nested wrappers.
8041 (gimplify_bind_expr): Remove temp parameter.
8042 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8043 and STATEMENT_LIST on the rhs.
8044 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8045 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8046 (gimplify_target_expr): Remove special BIND_EXPR handling.
8048 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8050 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8053 2006-08-21 Olivier Hainque <hainque@adacore.com>
8055 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8056 Arrange for the temporary captures of components overlapping the lhs
8057 to happen before the lhs is possibly cleared.
8059 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8061 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8062 necessary places to pass the correct "number of registers" values
8065 2006-08-20 Jan Hubicka <jh@suse.cz>
8067 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8068 (create_name_tags): Instead of quadratic checking use hashtable.
8069 * bitmap.h: Include hashtab.h.
8070 (bitmap_hash): Declare.
8071 * bitmap.c (bitmap_hash): New function.
8073 2006-08-20 Jan Hubicka <jh@suse.cz>
8075 PR rtl-optimization/28071
8076 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8078 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8079 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8080 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8081 cgraph_decide_inlining_incrementally): Update use of
8082 cgraph_check_inline_limits.
8083 * cgraph.c (edge_hash, edge_eq): New function.
8084 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8085 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8086 cgraph_remove_node): Maintain call site hash.
8087 * cgraph.h (struct cgraph_node): Add call_site_hash.
8088 (cgraph_set_call_stmt): New function.
8090 2006-08-20 Jan Hubicka <jh@suse.cz>
8092 PR rtl-optimization/28071
8093 * reload1.c (reg_has_output_reload): Turn into regset.
8094 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8095 choose_reload_regs, emit_reload_insns): Update to new
8096 reg_has_output_reload.
8098 2006-08-20 Jan Hubicka <jh@suse.cz>
8101 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8102 function body sizes.
8103 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8105 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8108 * tree.c (handle_dll_attribute): Return early if not a
8109 var or function decl.
8111 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8114 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8115 alignment of SPE vector types.
8117 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8119 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8121 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8124 * cgraph.h (struct cgraph_node): Remove externally_visible
8126 * cgraphunit.c (process_function_and_variable_attributes): Set
8127 local.externally_visible rather than externally_visible.
8130 * c-common.c (handle_externally_visible_attribute): First look
8131 at TREE_CODE and only if it is function or var decl, check for
8132 non-public objects. Don't warn for DECL_EXTERNAL.
8133 * cgraphunit.c (process_function_and_variable_attributes): Warn
8134 if externally_visible attribute is used on non-public object.
8136 2006-08-17 Jan Hubicka <jh@suse.cz>
8138 PR tree-optimization/27865
8139 * reload1.c (forget_marked_reloads): New function.
8140 (forget_old_reloads_1): When data are passed, just mark the registers
8142 (reload_as_needed): Use the new mechanizm.
8144 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8147 * reload.h (reg_equiv_alt_mem_list): New declaration.
8148 * reload1.c (reg_equiv_alt_mem_list): New definition.
8149 (reload): Initialize it and release it.
8150 (delete_output_reload): Use it.
8151 * reload.c (push_reg_equiv_alt_mem): New function.
8152 (find_reloads_toplev): Call it.
8153 (find_reloads_address, find_reloads_address_1): Likewise.
8154 (find_reloads_subreg_address): Likewise.
8156 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8158 PR rtl-optimization/28489
8159 * sched-ebb.c (begin_schedule_ready): Create basic block
8161 (advance_target_bb): Skip empty blocks.
8162 * haifa-sched.c (bb_note): Make global.
8163 * sched-int.h (bb_note): Add prototype.
8165 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8167 PR tree-optimization/27865
8168 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8170 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8171 fold_used_pointer, pointer_used_p): New functions.
8172 (analyze_scalar_evolution_1): Use fold_used_pointer.
8173 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8174 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8177 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8180 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8181 or the INTEGER_CST. Fail on a CALL_EXPR.
8182 (fold_offsetof): Pass new argument to fold_offsetof_1.
8183 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8184 operand into an INDIRECT_REF.
8185 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8187 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8189 PR gcov/profile/26570
8190 * value-prof.c (static_values): Removed.
8191 (tree_find_values_to_profile): Do not set static_values.
8192 (find_values_to_profile): Do not free static_values.
8193 * profile.c (instrument_values): Do not free the values.
8194 (branch_prob): Free the values.
8196 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8198 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8200 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8203 * c-typeck.c (build_component_ref): Combine qualifiers of
8204 structure or union and field.
8206 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8208 PR rtl-optimization/28071
8209 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8210 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8211 * tree-into-ssa.c (struct dom_dfsnum): New.
8212 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8214 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8215 compute_global_livein.
8216 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8217 in phi nodes in the correct blocks.
8219 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8221 PR tree-optimization/28364
8222 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8224 (fold_affine_expr): New function.
8225 (may_eliminate_iv): Use fold_affine_expr.
8227 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8230 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8233 2006-08-16 Mike Stump <mrs@apple.com>
8235 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8236 * doc/cppopts.texi (-MD): Likewise.
8238 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8241 * c-common.c (handle_weak_attribute): Ignore and warn if
8242 not a FUNCTION_ or VAR_DECL.
8244 2006-07-15 Mike Stump <mrs@apple.com>
8247 * c-parser.c (c_parser_typeof_specifier): Don't use
8248 c_finish_expr_stmt, open code desired semantics instead.
8250 2006-08-15 Nick Clifton <nickc@redhat.com>
8252 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8253 fragment to tmake_file only if threads are enabled.
8254 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8255 * config/i386/t-gthr-win32: New file. ... here.
8257 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8260 * c-parser.c (c_parser_compound_statement_nostart): Reset
8261 parser->error after each statement.
8263 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8266 * omp-low.c (lower_omp_parallel): Convert t to
8267 receiver_decl's type.
8268 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8269 source before comparison.
8272 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8273 to itype in assignment to oldival2.
8275 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8279 * c-typeck.c (build_compound_expr): If the second expression
8280 is an error mark, then just return an error mark instead of
8281 creating a COMPOUND_EXPR.
8283 2006-07-14 Mike Stump <mrs@apple.com>
8285 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8287 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8289 * c-decl.c, var-tracking.c: Fix comment typos.
8291 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8293 PR rtl-optimization/28634
8294 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8295 for floating-point modes unless flag_unsafe_math_optimizations.
8297 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8298 Andrew Pinski <pinskia@physics.uc.edu>
8301 * tree.c (build_array_type): Unify array types with
8302 unspecified index_type.
8303 * c-decl.c (grokdeclarator): Make sure we do not modify a
8304 unified incomplete array type.
8305 * c-typeck.c (store_init_value): Create distinct type before
8306 filling in the index type in an initializer from a compound
8309 * c-decl.c (grokdeclarator): Remove code where we copy the
8312 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8314 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8315 into account for TODO_dump_cgraph.
8316 (TODO_update_ssa_no_phi): Likewise.
8317 (TODO_update_ssa_full_phi): Likewise.
8318 (TODO_update_ssa_only_virtuals): Likewise.
8319 (TODO_remove_unused_locals): Likewise.
8320 (TODO_set_props): Likewise.
8321 (TODO_update_stmt_usage): Likewise.
8323 2006-08-13 Dirk Mueller <dmueller@suse.de>
8325 * c-common.c (strict_aliasing_warning): Fix formatting.
8327 2006-08-13 Matthias Klose <doko@debian.org>
8329 * doc/invoke.texi: Fix spelling errors.
8331 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8333 PR rtl-optimization/23454
8334 * reorg.c (relax_delay_slots): Update comment.
8336 2006-08-11 Richard Guenther <rguenther@suse.de>
8339 * simplify-rtx.c (simplify_const_relational_operation):
8340 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8343 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8345 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8346 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8348 2006-08-10 Paul Brook <paul@codesourcery.com>
8350 * final.c (final_scan_insn): Clear current_insn_predicate before
8351 outputting inline asm.
8353 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8355 PR tree-optimization/26197
8356 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8357 get_ref_base_and_extent and overlap_subvar to add only relevant
8358 subvars as may-aliases.
8359 (add_may_alias_for_new_tag): New function, factored out of
8361 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8362 with additional argument.
8363 * tree-flow.h (new_type_alias): Takes additional argument.
8365 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8367 * gcov.c (no_data_file): New flag.
8368 (read_count_file): Set it if data file not present. Assume counts
8370 (output_lines): Don't name the data file, if there wasn't one.
8372 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8374 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8375 (rs6000_generate_compare): Tweak comments.
8376 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8378 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8380 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8381 (var_debug_decl): New function.
8382 (var_reg_set): Follow debug decl link. Add location even if
8383 reg is already known to hold some other variable.
8384 (var_mem_set): Follow debug decl link.
8385 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8386 decl link. Delete other known locations of the variable part
8388 (var_reg_delete, var_mem_delete): Delete other known locations
8389 of the variable part if requested.
8390 (same_variable_part_p): New function.
8391 (add_stores): Select MO_COPY when appropriate.
8392 (vt_initialize): Handle it.
8393 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8394 known locations for MO_SET and MO_CLOBBER.
8395 (find_variable_location_part): New function.
8396 (set_variable_part, delete_variable_part): Use it.
8397 (clobber_variable_part): New function.
8398 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8401 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8403 PR tree-optimization/26969
8404 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8405 with an empty list of PHIs.
8407 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8411 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8414 2006-08-06 Andreas Schwab <schwab@suse.de>
8416 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8417 string. Whitespace and comment fixup.
8419 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8422 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8426 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8429 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8431 2006-08-04 Jan Hubicka <jh@suse.cz>
8435 * reload.c (push_reload): Patch out the mismatching instruction;
8437 (find_reload): Bail out if the instruction was patched out.
8439 2006-08-04 Jan Hubicka <jh@suse.cz>
8441 PR tree-optimization/24888
8442 * tree-inline.c (expand_call_inline): Do not re-record variables.
8443 (declare_inline_vars): Add variable to unexpanded_var_list.
8445 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8446 Roger Sayle <roger@eyesopen.com>
8448 PR rtl-optimization/26244
8449 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8450 inner_const are negative or greater than or equal to the bitsize of
8451 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8452 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8453 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8454 CONST0_RTX (mode) when the new shift count is greater than or equal to
8455 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8458 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8460 * tree-cfg.c: Fix a comment typo.
8462 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8465 * varasm.c (output_constant): Give the front end another chance to
8466 expand constants, after stripping NOPs.
8468 2006-08-03 Jan Hubicka <jh@suse.cz>
8470 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8473 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8475 PR tree-optimization/27770
8476 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8477 declaration removed (moved to tree-flow.h).
8478 (vect_can_force_dr_alignment_p): Likewise.
8479 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8480 (moved from tree-vectorizer.h).
8481 (vect_can_force_dr_alignment_p): Likewise.
8482 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8483 from outside the vectorizer - in particular from cgraph stage.
8484 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8485 the alignment of global arrays when -fsection-anchors is enabled.
8486 * cgraphunit.c (cgraph_increase_alignment): New function.
8487 (cgraph_optimize): Call cgraph_increase_alignment.
8489 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8492 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8493 not reload a SPE symbol_ref into a lo_sum address.
8495 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8498 * dwarf2out.c (prune_unused_types_prune): Move call to
8499 prune_unused_types_update_strings to cover the parent DIE also.
8501 2006-08-02 Jan Hubicka <jh@suse.cz>
8503 PR gcov/profile/28480
8504 * tree-cfg.c (change_bb_for_stmt): New function.
8505 (tree_merge_blocks, tree_split_blocks): Use it.
8507 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8513 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8514 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8515 (cgraph_optimize): Likewise.
8517 2006-08-01 Stuart Hastings <stuart@apple.com>
8519 * rtl.h (UINTVAL) New.
8520 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8521 * testsuite/gcc.dg/20060801-1.c: New.
8523 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8526 * c-typeck.c (build_external_type): Mark used enum types.
8527 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8529 (gen_subprogram_die): Whitespace fix.
8531 2006-08-01 Jan Hubicka <jh@suse.cz>
8533 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8534 bitmap when not needed.
8535 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8538 2006-08-01 Dirk Mueller <dmueller@suse.de>
8540 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8542 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8544 * Makefile.in: Revert part of previous patch:
8545 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8548 2006-07-30 Eric Christopher <echristo@apple.com>
8551 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8552 (PowerPC Variable Attributes): New section.
8554 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8556 PR target/28126 (partial fix)
8557 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8559 2006-07-28 Jan Hubicka <jh@suse.cz>
8561 PR rtl-optimization/28071
8562 * cfgrtl.c (rtl_delete_block): Free regsets.
8563 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8565 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8567 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8568 and variables used in dependencies.
8570 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8572 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8573 %fs for -mcmodel=kernel.
8574 (stack_tls_protect_test_di): Likewise.
8576 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8578 * Makefile.in: Use mkinstalldirs.
8580 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8583 * opts-common.c (prune_options): Skip joined switches.
8585 2006-07-27 Jan Hubicka <jh@suse.cz>
8587 PR rtl-optimization/28071
8588 * cselib.c (cselib_process_insn): Don't remove useless values too
8589 often for very large hashtables.
8591 2006-07-27 Jan Hubicka <jh@suse.cz>
8593 PR rtl-optimization/28071
8594 * global.c (greg_obstack): New obstack.
8595 (allocate_bb_info): Use it.
8596 (free_bb_info): Likewise.
8597 (modify_reg_pav): Likewise.
8599 2006-07-27 Roger Sayle <roger@eyesopen.com>
8601 * builtins.c (fold_fixed_mathfn): When long and long long are the
8602 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8603 functions to their lceil*, lfloor*, lround* and lrint* forms.
8605 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8608 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8610 (rev_branch_insn): Likewise.
8612 2006-07-27 Jan Hubicka <jh@suse.cz>
8614 PR rtl-optimization/28071
8615 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8616 (reg_set_in_bb, max_reg_computed): New static variables.
8617 (regmove_optimize): Free the new array.
8618 (fixup_match_1): Update call of reg_is_remote_constant_p.
8620 2006-07-26 Jan Hubicka <jh@suse.cz>
8622 PR tree-optimization/27882
8623 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8625 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8627 (cgraph_analyze_compilation_unit): Likewise.
8628 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8629 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8630 (cgraph_early_inlinine): Make order garbage collected.
8631 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8633 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8635 * dbxout.c (output_types_sort): Add a comment.
8636 (output_used_types): Free the VEC.
8638 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8640 * function.c (reorder_fix_fragments): Delete.
8641 (reorder_blocks): Don't call it.
8642 (reorder_blocks_1): Put all subblocks under the origin block.
8644 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8646 PR rtl-optimization/27907
8647 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8650 2006-07-25 Roger Sayle <roger@eyesopen.com>
8653 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8654 bar(x) check that bar's result type can represent all the values of T.
8656 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8658 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8660 2006-07-25 Nick Clifton <nickc@redhat.com>
8662 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8663 size_lookup[] array.
8664 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8665 (ggc_pch_count_object): Likewise.
8666 (ggc_pch_alloc_object): Likewise.
8667 (ggc_pch_write_object): Likewise.
8668 (init_ggc): Do not attempt to initialize entries in the
8669 size_lookup[] array for objects whose size is greater than than
8670 the length of the array.
8672 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8674 * dbxout.c (output_used_types_helper): Push queued types
8676 (output_types_sort): New.
8677 (output_used_types): Collect used types on a VEC and sort them
8680 2006-07-24 Richard Guenther <rguenther@suse.de>
8683 * cgraph.c (cgraph_remove_node): Do not check if dumps
8685 * cgraphunit.c (cgraph_optimize): Likewise.
8687 2006-07-24 Jan Hubicka <jh@suse.cz>
8689 PR rtl-optimization/28071
8690 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8691 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8692 splitting before first stmt.
8694 2006-07-24 Jan Hubicka <jh@suse.cz>
8696 PR rtl-optimization/28071
8697 * ipa-inline.c (update_caller_keys): Remove edges that
8698 are no longer inline candidates.
8700 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8703 * dbxout.c (output_used_types_helper, output_used_types): New.
8704 (dbxout_symbol): Call output_used_types.
8706 2006-07-23 Jan Hubicka <jh@suse.cz>
8710 * cgraph.c (cgraph_varpool_nodes): Export.
8711 (decide_is_variable_needed): Ignored "used" attribute in
8712 unit-at-a-time mode.
8713 * cgraph.h (cgraph_varpool_nodes): Declare.
8714 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8715 unit-at-a-time mode.
8717 2006-07-23 Roger Sayle <roger@eyesopen.com>
8720 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8721 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8722 the __gthrw form of thr_keycreate.
8723 (__gthread_key_delete): Silence the unused argument warning.
8725 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8728 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8729 Cache the last found '\0' marker to avoid quadratic behavior.
8731 2006-07-23 Jan Hubicka <jh@suse.cz>
8733 * i386.md (subsi_3_zext): Fix output template.
8735 2006-07-21 Mike Stump <mrs@apple.com>
8737 * doc/invoke.texi (C++ Dialect Options): Note that
8738 -fvisibility-inlines-hidden doesn't affect explicitly
8739 instantiationed inline methods.
8741 2006-07-20 Roger Sayle <roger@eyesopen.com>
8743 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8744 if the target assembler is GNU binutils' gas.
8745 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8746 whether to pass GNU gas or native as command line options.
8748 2006-07-20 Jason Merrill <jason@redhat.com>
8750 * tree.c (remove_attribute): New fn.
8751 * tree.h: Declare it.
8753 2006-07-20 Paul Brook <paul@codesourcery.com>
8756 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8757 they are invalidated by this instruction.
8759 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8762 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8764 2006-07-20 Eric Christopher <echristo@apple.com>
8767 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8769 2006-07-19 Eric Christopher <echristo@apple.com>
8771 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8772 Rewrite dependencies for libgcc_s.1.dylib.
8774 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8776 * except.c (duplicate_eh_regions_1): Clear next_peer.
8778 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8780 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8781 -mlongcall does not guarantee all calls will be long.
8782 * doc/extend.texi (long_call/short_call): Document that longcall
8783 does not guarantee a long call will be used.
8784 (longcall/shortcall): Likewise.
8786 2006-07-18 Roger Sayle <roger@eyesopen.com>
8789 * expmed.c (expand_shift): Additionally check that the shift_cost
8790 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8791 before implementing a LSHIFT_EXPR as a sequence of additions.
8792 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8793 middle-end that DImode shifts need to be synthesized by expand.
8795 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8798 * tree-ssa-operands.c (access_can_touch_variable): Update
8800 Return true if ALIAS is .GLOBAL_VAR.
8802 2006-07-18 David Daney <ddaney@avtrex.com>
8804 * gcc.c (display_help): Fix typo in help text.
8806 2006-07-18 Olivier Hainque <hainque@adacore.com>
8808 * tree.h (categorize_ctor_elements): Adjust prototype and add
8809 descriptive comment, both in accordance with the interface change
8811 * varasm.c (constructor_static_from_elts_p): New function.
8812 Whether a constructor node is a valid static constant initializer
8813 if all its elements are.
8814 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8815 * output.h: Declare it.
8816 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8817 is a valid constant initializer instead of computing the number of
8818 non-constant elements. Use constructor_static_from_elts_p for this
8819 purpose. Replace the head comment with an indication that this is a
8820 helper for categorize_ctor_elements.
8821 (categorize_ctor_elements): Same interface change as for the _1
8822 helper. Former head comment from this helper moved here, adjusted to
8823 account for the interface changes.
8824 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8825 (all_zeros_p): Likewise.
8826 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8827 static versions of the constructor from the categorize_ctor_elements
8828 return value instead of the formerly computed number of non-constant
8831 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8833 * configure: Regenerate.
8834 * Makefile.in (build_libsubdir): New configure substitution
8835 (build_libobjdir): New variable.
8836 (BUILD_LIBIBERTY): Use it.
8838 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8841 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8843 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8846 * c-common.c (handle_weakref_attribute): Ignore attribute in
8847 the same conditions the alias attribute is ignored.
8849 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8851 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8852 (dbxout_begin_prologue): Increment scope_labelno.
8854 2006-07-17 Richard Henderson <rth@redhat.com>
8857 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8860 2006-07-17 Roger Sayle <roger@eyesopen.com>
8861 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8863 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8864 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8865 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8866 functions such as sbrk, write, etc.. Add function prototypes.
8867 Convert function declarations from K&R to ISO C. Cast pointers
8868 to "long" and "unsigned long" instead of "int" and "unsigned int".
8869 Convert tokens following #endif into comments.
8871 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8873 * invoke.texi: Remove mention of f77; Reformat table for
8874 inline parameter options correctly; mention that -malign-double
8875 is default on x86-64 targets.
8877 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8879 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8880 (convert_affine_scev, chrec_convert_aggressive): Use
8881 avoid_arithmetics_in_type_p. Do not check for the subtypes
8884 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8887 * optabs.c (expand_doubleword_shift): Wrap the call to
8888 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8890 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8893 * optabs.c (expand_binop): Pass next_methods rather than methods
8894 to expand_doubleword_shift.
8896 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8899 * tree.h (dump_addr): Declare.
8900 * print-tree.c (dump_addr): New function.
8901 (print_node_brief, print_node): Use it.
8902 * print-rtl.c (print_rtx): Likewise.
8903 * common.opt (-fdump-noaddr): New option.
8904 * doc/invoke.texi (-fdump-noaddr): Document.
8905 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8906 (ve_info_hash): Likewise.
8908 2006-07-13 Andrew Haley <aph@redhat.com>
8910 PR tree-optimization/19505
8911 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8912 edge leaving this block, make sure that the destination of this
8913 block has only one predecessor.
8915 2006-07-17 Richard Guenther <rguenther@suse.de>
8917 PR tree-optimization/28238
8918 * tree-inline.c (copy_bb): Check if we produced valid
8919 gimple copying and substituting a stmt. If not, gimplify
8922 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8924 * optabs.c (maybe_encapsulate_block): New function extracted from...
8925 (emit_libcall_block): ...here. Invoke it on the block of insns to
8926 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8927 (emit_no_conflict_block): Likewise.
8929 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8931 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8933 2006-07-15 Roger Sayle <roger@eyesopen.com>
8935 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8936 a new NOP_EXPR case of the switch statement.
8938 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8941 * stor-layout.c (place_field): Take the bit field with
8942 an excessive size into account in the ms-bitfiled case.
8945 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8946 the previous bit field.
8948 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8951 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8953 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8955 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8956 signal frames correctly even when the signal was installed with
8959 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8961 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8962 (dbxout_function_end): Use local label LFBB. Remove hook
8964 (dbxout_source_line): Use local label LFBB.
8965 (dbxout_block): Likewise.
8966 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8967 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8968 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8969 and DBX_OUTPUT_NFUN.
8971 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8973 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8975 2006-07-13 Jan Hubicka <jh@suse.cz>
8977 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8979 * output.h (align_variable): Declare.
8980 * varasm.c (align_variable): Export.
8981 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8982 when basic block changed.
8984 2006-07-13 Nick Clifton <nickc@redhat.com>
8986 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8987 walking the LOG_LINKS chain.
8989 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8991 * doc/invoke.texi (C++ Dialect Options): Explain difference
8992 between -fvisibility-inlines-hidden and setting hidden
8993 visibility explicitly.
8995 2006-07-12 Eric Christopher <echristo@apple.com>
8997 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8998 (stmp-lipo): Depend on libgcc.a.
9000 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9002 * tree.c: Fix a comment typo.
9004 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9006 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9008 (umulhisi3_r): Likewise.
9010 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9013 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9014 x < 19, vs wchar_t support.
9016 2006-07-12 Nick Clifton <nickc@redhat.com>
9018 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9019 instead of -isa=sh4.
9021 2006-07-12 Mike Stump <mrs@apple.com>
9023 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9025 2006-07-10 Eric Christopher <echristo@apple.com>
9027 * config/t-slibgcc-darwin: Rewrite.
9029 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9032 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9035 2006-07-08 Matthias Klose <doko@debian.org>
9037 * doc/sourcebuild.texi: Fix typo.
9039 2006-07-07 Mike Stump <mrs@apple.com>
9041 * toplev.c (process_options): Don't give -ffunction-sections may
9042 affect debugging warning for Mach-O.
9044 2006-07-07 James E Wilson <wilson@specifix.com>
9046 * config/mips/mips.md (cpu): Add sb1a.
9047 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9048 addition to sb1. Adjust comments to clarify SB-1A differences from
9050 (ir_sb1a_load): New. Modify bypasses to use it.
9051 (ir_sb1a_simple_alu): Likewise.
9052 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9053 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9054 (mips_issue_rate): Add PROCESSOR_SB1A.
9055 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9056 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9057 (TARGET_SB1): Add PROCESSOR_SB1A check.
9058 (TUNE_SB1): Likewise.
9060 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9061 * config/mips/mips.c (mips_store_data_bypass_p): New.
9062 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9063 store_data_bypass_p.
9065 2006-07-08 Paul Brook <paul@codesourcery.com>
9068 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9070 2006-07-07 Richard Guenther <rguenther@suse.de>
9073 * tree.h (build_one_cst): Declare.
9074 * tree.c (build_one_cst): New function.
9075 * tree-ssa-math-opts.c (get_constant_one): Remove.
9076 (insert_reciprocals): Use build_one_cst.
9077 * fold-const.c (fold_plusminus_mult): Likewise.
9079 2006-07-07 Roger Sayle <roger@eyesopen.com>
9081 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9082 * cfgloopanal.c (dump_graph): Likewise.
9083 * dojump.c (discard_pending_stack_adjust): Likewise.
9084 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9086 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9087 * function.c (finalize_block_changes): Likewise.
9088 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9089 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9090 * rtl.c (dump_rtx_statistics): Likewise.
9091 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9093 * varray.c (dump_varray_statistics): Likewise.
9094 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9095 decode_decimal64, encode_decimal128, decode_decimal128,
9096 decimal_real_to_decimal): Likewise.
9098 2006-07-07 Richard Guenther <rguenther@suse.de>
9100 PR tree-optimization/28187
9101 * tree-vrp.c (vrp_operand_equal_p): New function.
9102 (vrp_bitmap_equal_p): Likewise.
9103 (update_value_range): Use them to compare old and new
9106 2006-07-06 Roger Sayle <roger@eyesopen.com>
9108 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9109 a default case to switch statement to silence compiler warnings.
9111 2006-07-06 Roger Sayle <roger@eyesopen.com>
9114 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9115 the configured assembler supports the x87's ffreep mnemonic.
9116 * configure: Regenerate.
9117 * config.in: Regenerate.
9119 * config/i386/i386.c (output_387_ffreep): New function.
9120 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9121 (output_387_reg_move): Likewise.
9123 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9125 Port to hosts whose 'sort' and 'tail' implementations
9126 treat operands with leading '+' as file names, as POSIX
9127 has required since 2001. However, make sure the code still
9128 works on pre-POSIX hosts.
9129 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9130 which says you should use "tail -c +N" rather than "tail +Nc".
9131 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9133 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9135 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9138 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9141 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9142 PRE_{INC,DEC} of TFmode.
9144 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9145 Alan Modra <amodra@bigpond.net.au>
9148 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9151 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9154 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9155 Remove duplicate gtu.
9157 2006-07-05 Jason Merrill <jason@redhat.com>
9161 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9162 * c-common.c (handle_packed_attribute): So don't copy it here.
9163 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9165 2006-07-05 Mike Stump <mrs@apple.com>
9167 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9169 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9172 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9174 2006-07-05 Richard Guenther <rguenther@suse.de>
9177 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9178 TARGET_SSE2 targets if using SSE math.
9179 (*absdf2_1): Likewise.
9181 2006-07-05 Richard Guenther <rguenther@suse.de>
9183 PR tree-optimization/28162
9184 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9185 make sure to convert the operands to the correct type.
9187 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9189 PR tree-optimization/28218
9191 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9192 to calculate and free the dominator information.
9194 2006-07-04 Peter O'Gorman <peter@pogma.com>
9196 * mklibgcc.in: chmod 644 before ranlib during install.
9198 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9199 J"orn Rennecke <joern.rennecke@st.com>
9201 * configure.ac (.eh_frame data check): Use diff -b.
9203 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9206 * Makefile.in (BUILD_RTL): Add build/vec.o.
9207 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9208 (build/genextract): Delete.
9209 (build/genautomata): Likewise.
9211 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9214 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9215 128-bit IBM long doubles for ABI_V4.
9217 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9219 * tree.c (range_in_array_bounds_p): New predicate.
9220 * tree.h (range_in_array_bounds_p): Declare it.
9221 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9222 return a less conservative answer.
9223 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9224 and flag 'is_group'.
9225 (IS_ELEMENT_FOR_GROUP): New macro.
9226 (FOR_EACH_ACTUAL_CHILD): Likewise.
9227 (next_child_for_group): New helper function.
9228 (can_completely_scalarize_p): Take into account groups.
9229 (sra_hash_tree): Handle RANGE_EXPR.
9230 (sra_elt_eq): Likewise.
9231 (lookup_element): Be prepared for handling groups.
9232 (is_valid_const_index): Delete.
9233 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9234 instead of is_valid_const_index.
9235 <ARRAY_RANGE_REF>: New case.
9236 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9237 is_valid_const_index.
9238 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9239 (scan_dump): Dump info for groups too.
9240 (decide_instantiation_1): Likewise.
9241 (decide_block_copy): Assert that the element is not a group.
9242 Propagate decision to groups.
9243 (generate_one_element_ref): Handle RANGE_EXPR.
9244 (mark_no_warning): Iterate over actual childs.
9245 (generate_copy_inout): Likewise.
9246 (generate_element_copy): Likewise.
9247 (generate_element_zero): Likewise.
9248 (generate_element_init_1): Likewise.
9249 (dump_sra_elt_name): Handle RANGE_EXPR.
9251 2006-07-03 Roger Sayle <roger@eyesopen.com>
9253 PR tree-optimization/26251
9254 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9255 (thread_block): When optimizing for size refuse to thread jumps
9256 that would require duplication of blocks other than redirection
9259 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9261 * configure.ac: Fix thinko in previous check-in.
9262 * configure: Regenerate.
9264 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9267 * configure.ac (for lang...): Simplify nesting of conditionals.
9268 Test subdir_requires for non-enabled languages. Move processing
9269 of lang_opt_files and lang_tree_fiels below that test.
9270 * configure: Regenerate.
9271 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9273 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9275 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9277 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9279 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9282 2006-06-29 Jason Merrill <jason@redhat.com>
9289 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9290 * c-common.c (c_determine_visibility): Handle it here.
9291 * c-decl.c (finish_decl): Call c_determine_visibility for
9293 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9295 * varasm.c (default_assemble_visibility): Likewise.
9296 * c-common.c (handle_visibility_attribute): Complain about trying
9297 to give visibility to an already defined class, or trying to change
9298 declared visibility. Always attach the attribute.
9303 * attribs.c (decl_attributes): Ignore type-in-place attributes
9304 once the type has been defined.
9306 2006-06-29 Roger Sayle <roger@eyesopen.com>
9309 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9310 to indicate the cpplib has issued an error message for us.
9312 2006-06-29 Asher Langton <langton2@llnl.gov>
9315 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9316 insert a label at the end of an function under Mach-O.
9318 2006-06-29 Eric Christopher <echristo@apple.com>
9319 Evan Cheng <evan.cheng@apple.com>
9321 * predicates.md (vector_all_ones_operand): New.
9322 (nonimmediate_or_sse_const_operand): Ditto.
9323 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9324 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9325 (standard_sse_mode_p): Ditto.
9326 (standard_sse_constant_p): Add case for -1 vector.
9327 (ix86_expand_vector_move): Try to use.
9328 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9329 Call standard_sse_constant_opcode.
9330 (*movv4sf_internal): Ditto.
9331 (*movv2df_internal): Ditto.
9333 2006-06-29 Roger Sayle <roger@eyesopen.com>
9335 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9336 of XEXP to extract the operands of a MATCH_CODE rtx.
9338 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9340 * tree.c (tree_size): Do not waste tail padding in
9341 struct tree_string and make the size be the same as
9342 build_string will generate.
9344 2006-06-28 Jason Merrill <jason@redhat.com>
9347 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9348 may_aliases already in the tag's annotations to the bitmap.
9350 2006-06-28 Roger Sayle <roger@eyesopen.com>
9352 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9354 2006-06-28 Roger Sayle <roger@eyesopen.com>
9356 * genpreds.c (generate_switch_p): New function.
9357 (add_mode_tests): Push the new mode test down inside an AND expr
9358 if this allows the switch-suitable MATCH_CODE to be near the root.
9359 (write_match_code_switch): New function to write a MATCH_CODE as
9361 (write_predicate_stmts): New function to write a predicate RTX
9362 expression as a sequence of statements.
9363 (write_one_predicate_function): Use write_predicate_stmts.
9364 (write_tm_constrs_h): Likewise.
9366 2006-06-26 Fred Fish <fnf@specifix.com>
9368 * config/mips/t-sb1: New file.
9369 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9372 2006-06-26 DJ Delorie <dj@redhat.com>
9374 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9376 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9377 Jayant Sonar <jayants@kpitcummins.com>
9378 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9380 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9381 (subsi3, subsi3_1, subsi3_2): New.
9382 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9383 * config/m32c/mov.md (SI mov peephole): New.
9384 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9385 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9387 2006-06-26 Olivier Hainque <hainque@adacore.com>
9389 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9390 a CALL_EXPR target function declaration.
9392 2006-06-26 Richard Guenther <rguenther@suse.de>
9394 * tree.c (build_string): Do not waste tail padding in
9397 2006-06-26 Richard Guenther <rguenther@suse.de>
9399 * ggc-page.c (init_ggc): Add missing element to size_lookup
9403 2006-06-23 Richard Guenther <rguenther@suse.de>
9405 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9406 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9407 alignment requests instead. Add verification code.
9408 Add struct tree_function_decl and struct tree_binfo size to
9409 extra_order_size_table. Add missing element to size_lookup
9412 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9415 * fold-const.c (const_binop): Be prepared for self returning zero.
9416 Simplify code handling complex values.
9418 2006-06-24 Olivier Hainque <hainque@adacore.com>
9420 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9421 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9424 2006-06-24 Olivier Hainque <hainque@adacore.com>
9426 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9427 ARRAY_REF, so have the callback called for the low bound expression.
9429 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9431 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9432 * c-typeck.c (c_common_type): Disallow operations on decimal float
9433 types and other float types.
9434 * convert.c (convert_to_real): Don't ignore conversions involving
9435 decimal float types.
9437 2006-06-23 Olivier Hainque <hainque@adacore.com>
9439 * tree.c (max_int_size_in_bytes): New function, inspired from
9440 code in function.c:assign_temp.
9441 * tree.h (max_int_size_in_bytes): Declare.
9442 * function.c (assign_temp): Use it.
9443 * gimplify.c (create_tmp_var): Relax the assertions on the type
9444 properties, not mandating constant size any more.
9445 (force_constant_size): New static function.
9446 (gimple_add_tmp_var): Use it, forcing variable size to a
9447 constant upper bound if it is not constant on entry.
9449 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9452 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9453 for initialization and setting of one_only flag to ...
9454 (i386_pe_encode_section_info): ...here.
9455 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9456 Recheck that the symbol has not been defined.
9458 2006-06-23 Richard Guenther <rguenther@suse.de>
9460 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9461 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9462 alignment requests instead. Add verification code.
9463 Add struct tree_function_decl and struct tree_binfo size to
9464 extra_order_size_table. Add missing element to size_lookup
9467 2006-06-22 Roger Sayle <roger@eyesopen.com>
9468 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9471 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9472 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9474 2006-06-23 Ben Elliston <bje@au.ibm.com>
9476 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9477 negate dn -- manipulate it directly.
9479 2006-06-22 Roger Sayle <roger@eyesopen.com>
9480 Steven Bosscher <stevenb.gcc@gmail.com>
9483 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9484 generated by gen_move_insn to add REG_LABEL notes if necessary.
9486 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9488 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9489 (leaf_entry): Remove use of MIN_ESA.
9491 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9493 PR rtl-optimization/28121
9494 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9497 2006-06-21 DJ Delorie <dj@redhat.com>
9499 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9501 (mulhisi3_r): Likewise.
9503 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9506 * coverage.c (coverage_counter_alloc): Leave the index type
9508 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9511 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9513 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9514 section from the "Options for Code Generation Conventions".
9516 2006-06-21 Richard Henderson <rth@redhat.com>
9520 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9522 (global_symbolic_operand): Allow weak symbols, even if local_p.
9524 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9526 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9527 (find_interesting_uses_address): Punt if above function returns true.
9529 2006-06-21 Richard Guenther <rguenther@suse.de>
9531 * configure: Regenerated.
9533 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9535 * config/mips/mips.c (function_arg): Where one part of a
9536 complex argument is in registers and the other part in the stack,
9537 return a REG not a PARALLEL.
9539 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9541 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9542 when cross-compiling. Do not substitute libstdcxx_incdir.
9543 * configure: Regenerated.
9545 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9547 * varasm.c (mergeable_string_section): Check for embedded NULs and
9548 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9549 rather than TREE_STRING_LENGTH bytes.
9551 2006-06-21 Richard Guenther <rguenther@suse.de>
9553 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9554 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9557 2006-06-21 Richrad Guenther <rguenther@suse.de>
9559 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9560 Limit iteration over the dominators.
9562 2006-06-20 Roger Sayle <roger@eyesopen.com>
9564 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9565 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9567 2006-06-20 Richard Guenther <rguenther@suse.de>
9568 Michael Matz <matz@suse.de>
9570 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9572 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9573 * et-forest.h (et_free_pools): Prototype new function.
9574 * et-forest.c (et_free_tree_force): Free parent occurrence.
9575 (et_free_pools): New function.
9576 * dominance.c (free_dominance_info): Free et-forest alloc
9579 2006-06-20 Roger Sayle <roger@eyesopen.com>
9581 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9582 integer modes, attempt to directly construct an integer constant.
9584 * fold-const.c (native_encode_vector): Determine the size of each
9585 element from the vector type instead of the first vector element.
9587 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9588 if all of its elements/components are constant.
9589 (build_constructor_from_list): Likewise.
9591 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9593 PR tree-optimization/27331
9594 * tree-data-ref.c (free_data_ref): New function.
9595 (create_data_ref): Fail if the data reference has unknown access
9597 (free_data_refs): Use free_data_ref.
9599 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9602 * tree-inline.c (setup_one_parameter): Strip useless
9603 type conversion before adding it to the IR.
9604 (declare_return_variable): Likewise.
9606 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9609 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9611 2006-06-19 Mike Stump <mrs@apple.com>
9613 * tree.c (variably_modified_type_p): VM arguments don't make the
9616 2006-06-19 Richard Guenther <rguenther@suse.de>
9618 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9619 type conversions after folding.
9621 2006-06-19 Richard Guenther <rguenther@suse.de>
9623 * ggc-page.c (extra_order_size_tab): Add entries with
9624 size of struct function and basic_block.
9625 (size_lookup): Extend to cover sizes up to 511.
9626 (ggc_alloc_stat): Adjust user.
9627 (ggc_pch_count_object): Likewise.
9628 (ggc_pch_alloc_object): Likewise.
9629 (ggc_pch_write_object): Likewise.
9631 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9633 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9634 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9637 2006-06-19 Denis Chertykov <denisc@overta.ru>
9639 * config/avr/libgcc.S : Correct my wrong previous commit.
9641 2006-06-19 Roger Sayle <roger@eyesopen.com>
9644 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9645 have stripped a SUBREG from the shift count, so we may need to
9646 convert_to_mode back to the type's mode before calling make_tree.
9647 Use new_amount instead of amount to avoid expanding a tree twice.
9649 2006-06-19 Richard Guenther <rguenther@suse.de>
9652 * fold-const.c (operand_equal_p): Check if the argument types
9653 have the same precision before stripping NOPs.
9655 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9657 Fix PR tree-optimization/27341
9658 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9660 * tree-complex.c (pass_lower_complex): Update SMT usage.
9662 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9664 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9665 Add a new alternative to the constraint strings. Add move of
9666 operand 1 to 3 to the splitter definition.
9667 ("doloop_si_long"): Second contraint alternative removed.
9669 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9671 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9672 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9674 (AVR_HAVE_MOVW) Define.
9675 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9676 (ASM_SPEC): Add avr25.
9677 (LINK_SPEC): Add avr25.
9678 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9679 (base_arch_s): Add new member 'have_movw_lpmx'.
9680 (avr_arch_types): Init 'have_movw_lpmx'.
9681 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9682 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9683 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9684 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9685 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9687 (avr_file_start): Do not output '.arh' derective.
9688 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9689 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9690 * config/avr/avr.md (mcu_enhanced): Delete.
9691 (mcu_have_movw): Define.
9692 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9693 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9694 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9695 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9696 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9697 attiny861 and at86rf401 devices.
9699 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9701 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9704 2006-06-17 Karl Berry <karl@gnu.org>
9706 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9707 doc/gccint.texi, doc/install.texi (@dircategory): Use
9708 "Software development" instead of "Programming", following
9709 the Free Software Directory.
9711 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9713 * config/i386/i386.c (legitimate_tls_address)
9714 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9715 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9716 (*tls_dynamic_gnu2_combine_64): Likewise.
9718 2006-06-16 Richard Guenther <rguenther@suse.de>
9721 * fold-const.c (negate_expr_p): Do not introduce undefined
9722 overflow in negating INTEGER_CSTs.
9723 (fold_negate_expr): Rename from negate_expr. Revert last
9724 change for folding BIT_NOT_EXPR. Change semantics to
9725 return NULL_TREE for non-simplified negations. Do not
9726 strip type conversions and unify type handling.
9727 (negate_expr): New function, wrap around fold_negate_expr
9728 but ensure building a tree always. Strip type conversions
9729 here, fold to result type.
9730 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9732 2006-06-16 Roger Sayle <roger@eyesopen.com>
9735 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9736 that (would) return their results in stack registers.
9738 2006-06-16 Michael Matz <matz@suse.de>
9739 Richard Guenther <rguenther@suse.de>
9741 * fold-const.c (fold_truthop): Only return new tree node if
9742 we canonicalized something.
9744 2006-06-16 Richard Guenther <rguenther@suse.de>
9746 * function.h (enum function_frequency): Move declaration
9747 out of struct function.
9748 (struct function): Move bool fields and the enum to the bitfield
9749 section. Reorder elements to avoid padding. Remove unused
9750 fields left over from the RTL inliner removal.
9751 * function.c (free_after_compilation): Do not zero removed fields.
9752 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9753 (ipa-type-escape.o): Likewise.
9755 2006-06-16 Richard Guenther <rguenther@suse.de>
9757 * cgraph.h (struct cgraph_local_info): Turn bool elements
9759 (struct cgraph_node): Likewise.
9760 (struct cgraph_varpool_node): Likewise.
9762 2006-06-15 Richard Guenther <rguenther@suse.de>
9764 * fold-const.c (fold_truth_not_expr): Rename from
9765 invert_truthvalue. Give it fold_* semantics to avoid
9767 (invert_truthvalue): New function. Wrapper around
9768 fold_truth_not_expr.
9769 (optimize_minmax_comparison): Avoid creating garbage.
9770 (fold_unary): Use fold_truth_not_expr for folding
9772 (fold_ternary): Replace uses of invert_truthvalue with
9773 fold_truth_not_expr where applicable.
9774 * tree.h (fold_truth_not_expr): Prototype.
9776 2006-06-16 Richard Guenther <rguenther@suse.de>
9778 PR tree-optimization/27781
9779 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9780 * ipa-pure-const.c (target.h): Include.
9781 (analyze_function): Do not analyze functions that do not
9784 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9787 * tree-dfa.c (referenced_vars_dup_list): Remove.
9788 (find_referenced_vars): Remove assert.
9789 (referenced_var_check_and_insert): Replace dup list with assert.
9790 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9791 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9793 2006-06-15 Richard Guenther <rguenther@suse.de>
9795 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9796 extra unused identifiers if not dumping.
9797 (create_variable_info_for): Likewise.
9799 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9801 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9802 (derive_constant_upper_bound): Derive more precise upper bound in
9803 common cases. Return type changed to double_int.
9804 (record_estimate): Reflect the changed return type of
9805 derive_constant_upper_bound.
9806 * double-int.c (double_int_zext, double_int_sext): Fix.
9808 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9810 * configure.ac (CFLAGS): Get them from the toplevel or from the
9811 configure invocation.
9812 * configure: Regenerate.
9813 * Makefile.in (CFLAGS): Substitute value provided by configure.
9815 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9818 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9819 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9820 rather than calling add_stmt on it.
9821 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9823 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9826 * reload1.c (reload): Remove registers returned by update_eliminables
9827 from used_spill_regs.
9829 2006-06-13 DJ Delorie <dj@redhat.com>
9831 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9833 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9835 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9836 html__strip_dir, html__mkdir_p. Enhance install-html target.
9837 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9838 * configure: Regenerate.
9840 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9842 * fold-const.c (fold_cond_expr_with_comparison): Check for
9843 Objective-C++ as language in deciding COND_EXPR transformation.
9845 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9848 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9849 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9850 * config/sh/lib1funcs.h (SL, SL1): Define.
9851 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9852 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9853 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9854 (OBJS_Os_4_200): New variable.
9855 ($(T)libgcc-Os-4-200.a): Use it.
9856 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9857 when dividing 1 and/or by 0.
9859 2006-06-13 Roger Sayle <roger@eyesopen.com>
9861 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9862 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9863 * configure: Regenerate.
9865 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9867 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9868 for real instruction.
9870 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9873 * haifa-sched.c (check_cfg): Handle special case.
9875 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9878 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9879 Add debug_info parameter. Chain the vars to the BLOCK instead
9880 of the BIND_EXPR if debug info are requested for them.
9881 (pop_gimplify_context): Adjust for above change.
9882 (gimple_add_tmp_var): Likewise.
9883 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9885 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9886 (convert_local_reference): Likewise.
9887 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9888 (finalize_nesting_tree_1): Request that debug info be emitted
9889 for debug_var_chain.
9891 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9893 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9894 for PR target/27863.
9896 2006-06-13 Richard Guenther <rguenther@suse.de>
9899 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9901 2006-06-13 Richard Guenther <rguenther@suse.de>
9903 PR tree-optimization/27830
9904 * tree-inline.c (copy_body_r): For copying the operand
9905 of an ADDR_EXPR make sure to fold &* afterwards.
9907 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9909 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9910 lvalues in the fb_none case with side-effects.
9912 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9914 * tree-flow.h: Remove the prototype for
9915 compute_phi_arg_on_exit.
9916 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9917 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9920 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9922 * builtins.c (expand_builtin_return_addr): Only use
9923 frame_pointer_rtx when count == 0 and we are expanding
9924 __builtin_return_address.
9926 2006-06-12 Fred Fish <fnf@specifix.com>
9928 * config/mips/mips.c (mips_file_start): Create special section
9929 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9931 2006-06-11 Eric Christopher <echristo@apple.com>
9934 * stor-layout.c (place_field): Remove check for
9935 remaining_in_alignment when aligning at the end of a run.
9937 2006-06-11 Eric Christopher <echristo@apple.com>
9940 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9943 2006-06-11 Roger Sayle <roger@eyesopen.com>
9946 Revert incorrect fix for PR target/27158
9947 2006-05-08 Roger Sayle <roger@eyesopen.com>
9948 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9949 of a reg_equiv_constant if the result is a legitimate constant.
9951 2006-06-11 Roger Sayle <roger@eyesopen.com>
9954 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9955 extract a CONST_VECTOR element and interpret it as an integer.
9956 (vspltis_constant): Use const_vector_elt_as_int instead of the
9957 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9958 * config/rs6000/predicates.md (easy_vector_const): Consider
9959 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9961 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9964 * stor-layout.c (update_alignment_for_field): Don't add extra
9965 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9968 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9970 * config/mips/t-rtems: Add EL/EB multilib variants.
9972 2006-06-09 Mike Stump <mrs@apple.com>
9974 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9976 2006-06-09 David Daney <ddaney@avtrex.com>
9978 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9980 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9982 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9984 2006-06-09 Richard Guenther <rguenther@suse.de>
9986 PR tree-optimization/26998
9987 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9988 of signed types, only TYPE_MIN_VALUE is special, but for both,
9989 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9990 in this case, as is -fwrapv.
9992 2006-06-08 Mike Stump <mrs@apple.com>
9995 * config/darwin.c (darwin_asm_output_anchor): Disable
9996 -fsection-anchors on darwin for now.
9997 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9998 * rs6000/rs6000.c (optimization_options): Likewise.
10000 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10003 * config/i386/i386.c (classify_argument): Skip fields with invalid
10006 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10008 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10009 (cse_insn): Likewise for the stack_pointer_rtx.
10011 2006-06-08 Roger Sayle <roger@eyesopen.com>
10013 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10014 conditions from floating point comparisons.
10016 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10018 PR middle-end/27733
10019 * expmed.c (struct alg_hash_entry): Fix type of field T
10020 to match synth_mult argument.
10021 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10023 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10026 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10029 2006-06-08 Richard Guenther <rguenther@suse.de>
10031 PR middle-end/27116
10032 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10033 only, if overflow is defined and not trapping.
10034 (negate_expr): Likewise.
10036 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10038 PR tree-optimization/27872
10039 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10040 flag on the new exit edge of the unrolled loop.
10042 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10044 PR rtl-optimization/26449
10045 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10047 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10049 PR middle-end/27793
10050 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10051 referenced_variables with matching DECL_UID's.
10052 (find_referenced_vars): Make sure duplicate list is empty to start.
10053 (referenced_var_p): Remove.
10054 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10055 Check if var is in the list, and add if needed. Update the duplicate
10056 list if a different var is in the list with the same DECL_UID.
10057 (add_referenced_var): Call routine to check and insert.
10058 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10059 * tree-flow.h (referenced_vars_dup_list): External declaration.
10061 2006-06-07 Fred Fish <fnf@specifix.com>
10063 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10066 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10069 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10070 the imaginary and real parts of a clobbered register.
10071 Emit insn to set the imaginary part.
10073 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10075 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10076 in lieu of unwind-dw2-fde.c.
10078 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10080 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10082 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10085 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10086 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10087 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10088 V4SImode temporaries and operations instead.
10090 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10092 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10095 2006-06-06 Mike Stump <mrs@apple.com>
10097 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10098 installing during build.
10100 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10102 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10104 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10105 * config/ia64/ia64.c (params.h): New header.
10106 (ia64_optimization_options): New function to adjust parameters.
10107 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10108 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10109 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10111 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10113 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10115 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10118 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10120 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10121 Victor Kaplansky <victork@il.ibm.com>
10123 PR tree-optimization/26360
10124 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10127 2006-06-04 Roger Sayle <roger@eyesopen.com>
10128 Andrew Pinski <pinskia@physics.uc.edu>
10130 PR middle-end/27382
10131 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10132 for LABEL_DECL before calling DECL_WEAK.
10135 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10136 LABEL_DECL and PARM_DECL.
10138 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10142 * c-decl.c (grokdeclarator): Disallow variably modified types at
10143 file scope. Avoid marking shared array type of constant size as
10146 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10149 * c-common.c (fold_offsetof_1): Handle static members.
10151 2006-06-04 Eric Christopher <echristo@apple.com>
10153 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10154 (debug_rli): Output value for remaining_in_alignment.
10155 (update_alignment_for_field): Unconditionalize
10156 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10157 extra alignment code.
10158 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10159 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10160 * tree.h (record_layout_info_s): Remove prev_packed.
10161 * doc/extend.texi (ms_struct): Add documentation of format.
10163 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10165 * tree.h: Declare folding_initializer.
10166 * builtins.c (fold_builtin_constant_p): Give definite answer
10167 if folding inside an initializer.
10168 * fold-const.c: Define folding_initializer.
10169 (START_FOLD_INIT): Save and then set folding_initializer.
10170 (END_FOLD_INIT): Restore folding_initializer.
10172 2006-06-04 Richard Guenther <rguenther@suse.de>
10174 PR tree-optimization/27039
10175 * fold-const.c (fold_comparison): Handle pointer comparison
10176 again for all comparison codes. Compare offsets in signed
10178 (fold_binary): Move code from here.
10180 2006-06-03 Roger Sayle <roger@eyesopen.com>
10183 * config/i386/i386.c (construct_container): Split static issued_error
10184 flag into issued_sse_arg_error, issued_sse_ret_error and
10185 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10186 requires the use of x87 registers and the user explicitly
10187 specified the -mno-80387 command line option.
10189 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10191 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10192 HAVE_DECL_SIGALTSTACK.
10194 (segv_handler): Use MC_FLD.
10195 * configure.ac: Check for a sigaltstack declaration.
10196 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10197 * configure: Regenerate.
10198 * config.in: Regenerate.
10200 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10203 * Makefile.in (stmp-fixinc): Fix typo.
10205 2006-06-02 Roger Sayle <roger@eyesopen.com>
10207 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10208 are type correct. Clean-up.
10209 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10210 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10212 2006-06-01 DJ Delorie <dj@redhat.com>
10214 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10215 shift, as we've disabled the "switch" insn that needs it.
10217 2006-06-01 Per Bothner <bothner@bothner.com>
10219 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10220 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10221 * c-ppoutput.c (cb_define): Don't increment line 0.
10223 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10225 * doc/invoke.texi: Add cpu_type power6.
10226 * config.gcc: Add cpu_type power6.
10227 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10228 to power5+ with Altivec.
10229 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10230 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10232 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10234 * config/avr/avr.h (SET_ASM_OP): Define.
10236 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10238 * config/bfin/bfin.c: Fix comment typos.
10240 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10243 * doc/install.texi: Document --enable-bootstrap and
10244 --disable-bootstrap.
10246 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10248 * doc/install.texi: Document that InfoZIP can replace jar.
10250 2006-05-31 Roger Sayle <roger@eyesopen.com>
10252 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10253 isn't available, directly generate the simpler x87 patterns without
10254 the (use (const_int 0)).
10255 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10256 implementation isn't available.
10257 (*negdf2_1): Likewise.
10258 (*negxf2_1): XF mode negation is always done using the x87.
10259 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10261 2006-05-31 Roger Sayle <roger@eyesopen.com>
10263 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10264 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10266 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10268 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10270 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10271 * config/bfin/bfin.c (basic-block.h): Include.
10272 (struct machine_function): New.
10273 (bfin_init_machine_status): New.
10274 (override_options): Initialize init_machine_status.
10275 (bfin_hardware_loop): New.
10276 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10277 (DEF_VEC_P (loop_info)): New.
10278 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10279 (struct loop_info): New.
10280 (loop_info): New typedef.
10281 (struct loop_work): New.
10282 (loop_work): New typedef.
10283 (DEF_VEC_O (loop_work)): New.
10284 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10285 (bfin_dump_loops): New.
10286 (bfin_bb_in_loop): New.
10287 (bfin_scan_loop): New.
10288 (bfin_optimize_loop): New.
10289 (bfin_reorg_loops): New.
10290 (bfin_reorg): Use bfin_reorg_loops.
10291 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10293 (I_REGNO_P): Simplify.
10294 (DP_REGNO_P, DPREG_P): New macros.
10295 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10296 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10297 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10298 Add LT_REGS, LC_REGS, LB_REGS.
10299 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10301 (REGNO_REG_CLASS): Deal with loop registers.
10302 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10304 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10305 New constants for loop registers.
10306 (UNSPEC_LSETUP_END): New.
10307 (seq_insns): New define_attr. Set it for appropriate insns.
10308 (movsi_insn): Add alternatives for move from/to
10309 loop count registers.
10310 (doloop_end): New define_expand.
10311 (loop_end): New define_insn.
10312 (define_split for bad doloop_end): New.
10313 (lsetup_with_autoinit): New define_insn.
10314 (lsetup_without_autoinit): New define_insn.
10315 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10316 * config/bfin/predicates.md (lc_register_operand): New.
10317 (lt_register_operand): New.
10318 (lb_register_operand): New.
10319 (nondp_register_operand): New.
10320 (nondp_reg_or_memory_operand): New.
10321 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10323 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10325 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10326 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10328 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10330 * Makefile.in (CATALOGS): Add po/ prefix.
10331 * configure: Regenerated.
10333 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10336 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10337 a shift operand before calling shift_op. Avoid redundant call of
10340 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10341 DJ Delorie <dj@redhat.com>
10343 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10344 we're inserting is a singlt-bit constant.
10346 2006-05-30 Roger Sayle <roger@eyesopen.com>
10348 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10349 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10351 2006-05-30 Roger Sayle <roger@eyesopen.com>
10353 PR tree-optimization/23452
10354 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10355 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10356 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10357 complex values and with -ffast-math for FP complex values.
10359 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10361 * c-common.h: Remove the prototype for yyparse.
10362 * rtl.h: Remove the prototype for init_loop.
10364 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10366 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10369 2006-05-30 Roger Sayle <roger@eyesopen.com>
10371 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10373 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10374 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10376 2006-05-30 Dirk Mueller <dmueller@suse.de>
10379 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10380 for CONSTANT_CLASS_P expresisons.
10382 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10385 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10387 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10389 PR tree-optimization/27779
10390 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10391 initial_condition instead of CHREC_LEFT.
10393 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10395 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10396 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10397 Make prototypes ISO C90.
10399 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10400 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10402 * see.c (see_analyze_one_def): Correct check.
10403 (see_get_extension_data): Check if extension is parallel.
10404 (see_get_extension_reg): Likewise.
10406 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10409 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10410 into register for (code == GTU).
10412 2006-05-29 Roger Sayle <roger@eyesopen.com>
10414 PR tree-optimization/24964
10415 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10416 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10417 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10418 abs(x)*abs(x) as x*x for scalar floating point modes.
10420 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10422 PR middle-end/27745
10423 * lambda-code.c (perfect_nestify): Don't copy statements
10424 in the inner loop: move them to the inner loop header.
10426 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10429 * c-tree.texi: Document OpenMP directives and clauses.
10431 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10433 * varasm.c (globalize_decl): Fix indentation.
10435 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10438 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10439 pass_fre, pass_store_ccp, pass_copy_prop,
10440 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10441 pass_return_slot, pass_object_size, pass_lim,
10442 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10443 pass_loop_prefetch and pass_stdarg.
10445 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10447 * config/bfin/bfin.opt (mfdpic): New option.
10448 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10449 (EXTRA_MULTILIB_PARTS): Likewise.
10450 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10451 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10453 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10454 (CRT_CALL_STATIC_FUNCTION): New.
10455 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10457 (CRT_CALL_STATIC_FUNCTION): New.
10458 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10460 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10461 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10462 (initialize_trampoline): Changed to handle FD-PIC code generation.
10463 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10464 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10465 (override_options): Disallow -mid-shared-library -mfdpic combination.
10466 Can't do unaligned ops if FD-PIC.
10467 Turn off flag_pic if trying to generate non-id-shared-library
10468 non-fdpic code, since it's not supported.
10469 (bfin_assemble_integer): New function.
10470 (TARGET_ASM_INTEGER): Define.
10471 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10473 * config/bfin/crtn.s: Restore them.
10474 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10476 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10477 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10478 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10479 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10480 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10482 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10483 FDPIC_REGS and FDPIC_FPTR_REGS.
10484 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10485 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10486 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10487 (load_funcdescsi): New pattern.
10488 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10489 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10490 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10492 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10494 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10497 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10499 * tree-flow.h: Remove the prototype for add_type_alias.
10500 * tree-ssa-alias.c (add_type_alias): Remove.
10502 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10504 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10505 config/fr30/fr30.md, config/i386/i386-interix.h,
10506 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10507 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10508 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10509 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10510 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10511 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10512 Follow spelling conventions.
10513 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10514 Follow spelling conventions.
10516 2006-05-27 Richard Guenther <rguenther@suse.de>
10518 PR middle-end/27773
10519 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10520 to produce a constant of value 1 of generic type.
10522 2006-05-27 Dirk Mueller <dmueller@suse.de>
10524 * cgraphunit.c (decide_is_function_needed): Fix wrong
10527 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10529 PR rtl-optimization/27661
10530 * reload.c (find_reloads): When reloading a VOIDmode constant
10531 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10532 use Pmode as mode of the reload register.
10534 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10536 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10537 is enabled at -O and above.
10539 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10542 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10545 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10548 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10549 for anonymous variables explicitly declared by front ends.
10551 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10553 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10554 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10555 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10556 ref-all pointers, run a finalization pass for them.
10557 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10558 (finalize_ref_all_pointers): New function.
10559 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10560 regular pointer type to a ref-all pointer type.
10561 (get_tmt_for): Return the special memory tag for ref-all pointers.
10563 2006-05-25 Richard Guenther <rguenther@suse.de>
10565 PR middle-end/27743
10566 * fold-const.c (fold_binary): Do not look at the stripped
10567 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10569 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10571 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10572 for LT and GT if the computed range is effectively empty.
10574 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10577 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10578 mips_quad_format formats instead of ieee_single_format,
10579 ieee_double_format and ieee_quad_format formats, respectively.
10581 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10583 PR tree-optimization/27639
10584 PR tree-optimization/26719
10585 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10586 call to scev_probably_wraps_p.
10587 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10588 used_in_pointer_arithmetic_p, convert_step): Removed.
10589 (nowrap_type_p): New function.
10590 (scev_probably_wraps_p): Rewritten.
10591 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10592 chrec_convert if chrec_convert_aggressive might have been used.
10593 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10594 scev_direction): New functions.
10595 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10596 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10597 instead of convert_step.
10598 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10599 (convert_step): Declaration removed.
10600 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10602 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10604 * df-core.c: Added to header comments.
10605 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10606 df_ur_bb_info, df_urec_bb_info): Added comments.
10607 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10608 urec, ri problems): Fixed header comments.
10609 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10610 code from df_rd_transfer_function.
10612 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10614 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10615 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10616 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10618 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10620 * expr.c (undefined_operand_subword_p): New.
10621 (emit_move_multi_word): Do not generate move from undefined bits
10622 of a paradoxical subreg.
10624 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10626 PR rtl-optimization/27736
10627 * combine.c (replaced_rhs_value): New variable.
10628 (combine_instructions): Set it.
10629 (distribute_notes): When distributing a note in replaced_rhs_insn,
10630 check whether the value was used in replaced_rhs_value.
10632 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10635 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10636 add_referenced_var instead of add_referenced_tmp_var.
10637 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10638 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10639 add_referenced_var.
10640 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10641 tree_optimize_tail_calls_1): Use add_referenced_var.
10642 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10643 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10644 Use add_referenced_var.
10645 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10646 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10647 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10648 Use add_referenced_var.
10649 * tree-dfa.c (struct walk_state): Remove.
10650 (find_referenced_vars): Remove walk state and vars_found hash table.
10651 (make_rename_temp): Use add_referenced_var.
10652 (find_vars_r): Pass less parameters to add_referenced_var.
10653 (referenced_var_p): New. Is var in referenced_var hash table.
10654 (referenced_var_insert): Assert var isn't already in hash table.
10655 (add_referenced_var): Don't need walk_state parameter. Add var if it
10656 isn't already in the hash table.
10657 (add_referenced_tmp_var): Remove.
10658 (find_new_referenced_vars_1): Use add_referenced_var.
10659 * tree-ssa-pre.c (create_expression_by_pieces,
10660 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10661 Use add_referenced_var.
10662 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10663 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10664 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10665 add_referenced_var.
10666 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10667 vect_create_data_ref_ptr, vect_create_destination_var,
10668 vect_init_vector, vect_build_loop_niters,
10669 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10670 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10671 Use add_referenced_var.
10672 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10673 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10674 (add_referenced_var): Add prototype.
10675 * tree-ssa-structalias.c (get_constraint_for,
10676 intra_create_variable_infos): Use add_referenced_var.
10678 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10680 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10681 big-endian paradoxical subregs.
10682 * var-tracking.c (struct micro_operation_def): Document that,
10683 for modify micro operations, insn is the subsequent instruction.
10684 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10685 (var_reg_set, var_mem_set): ... new functions.
10686 (add_stores): Record subsequent insn.
10687 (compute_bb_dataflow): Use new functions for MO_USE.
10688 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10689 notes after the insn, and modify notes before the insn known
10690 to be the subsequent one.
10691 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10693 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10696 * config/i386/i386.c (ix86_expand_builtin): Use
10697 gen_sse3_monitor64 for TARGET_64BIT.
10699 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10701 PR rtl-optimization/26375
10702 PR rtl-optimization/26855
10703 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10705 (df_ru_bb_local_compute): Reversed statements and removed bogus
10706 comment explaining why they should be in wrong order.
10707 (df_ru_dump, df_rd_dump): Enhanced debug info.
10708 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10710 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10711 reaching uses and fixed space problem.
10713 2006-05-23 Jan Hubicka <jh@suse.cz>
10715 * cgraphunit.c (decide_is_function_needed): Also nested functions
10716 and functions declared inline can be optimized out at -O0.
10718 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10720 * doc/install.texi (Configuration): Remove reference to CrossGCC
10721 FAQ which was gone.
10724 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10727 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10728 ix86_compare_emitted is non-NULL.
10730 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10733 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10736 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10738 PR rtl-optimization/25514
10739 * combine.c (replaced_rhs_insn): New variable.
10740 (combine_instructions): Set replaced_rhs_insn when trying to replace
10741 a SET_SRC with a REG_EQUAL note.
10742 (distribute_notes): Use replaced_rhs_insn when determining the live
10743 range of a REG_DEAD register.
10745 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10746 Anatoly Sokolov <aesok@post.ru>
10748 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10749 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10750 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10751 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10752 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10753 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10754 at90usb647, at90usb1286 and at90usb1287 devices.
10755 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10756 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10758 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10760 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10762 2006-05-22 Richard Guenther <rguenther@suse.de>
10765 2006-01-31 Richard Guenther <rguenther@suse.de>
10766 Paolo Bonzini <bonzini@gnu.org>
10768 * doc/install.texi (--disable-libgcc-math): Document.
10770 2006-05-22 Richard Guenther <rguenther@suse.de>
10773 2006-01-31 Richard Guenther <rguenther@suse.de>
10775 * doc/invoke.texi (-msselibm): Document.
10776 * target.h (expand_library_builtin): New target hook.
10777 * builtins.c (expand_builtin): Use expand_library_builtin.
10778 (default_expand_library_builtin): New function.
10779 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10780 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10781 (link_gcc_math_spec): Declare.
10782 (static_specs): Add link_gcc_math_spec.
10783 * expr.h (default_expand_library_builtin): Declare.
10784 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10785 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10786 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10787 * config/i386/i386.opt (msselibm): New target option.
10788 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10789 (ix86_init_sse_abi_builtins): New function.
10790 (ix86_expand_library_builtin): Likewise.
10791 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10792 (override_options): Handle error conditions wrt -msselibm.
10793 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10794 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10795 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10798 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10801 * c-common.c (self_promoting_args_p): Skip erroneous args.
10804 * c-decl.c (finish_struct): Skip erroneous fields.
10806 2006-05-22 Nick Clifton <nickc@redhat.com>
10808 * config/cris/cris.opt (march): Remove VarExists attribute.
10809 (max-stackframe=): Likewise.
10811 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10813 * doc/rtl.texi: Fix a typo.
10814 * see.c: Fix comment typos.
10816 * tree-ssa-structalias.h (alias_info): Remove num_references.
10818 2006-05-21 Mike Stump <mrs@apple.com>
10820 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10822 (darwin_pragma_options): Use BAD instead.
10823 (darwin_pragma_unused): Likewise.
10824 (darwin_pragma_ms_struct): Likewise.
10826 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10828 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10830 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10832 PR rtl-optimization/27671
10833 * simplify-rtx.c (simplify_relational_operation_1): Fix
10834 simplifications of (eq/ne (xor x y) y) and
10835 (eq/ne (xor x y) x).
10837 PR tree-optimization/26622.
10838 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10841 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10843 * tree-cfg.c: Prune whitespace.
10844 (debug_tree_cfg): Point to correct header containing the
10847 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10849 PR middle-end/25776
10850 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10852 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10854 PR middle-end/25776
10855 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10856 or sorry count is non zero.
10858 2006-05-20 Andreas Schwab <schwab@suse.de>
10860 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10862 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10863 Kenneth Zadeck <zadeck@naturalbridge.com>
10865 PR rtl-optimization/26855
10867 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10869 (df_scan_alloc): Added code to properly handle multiword hard
10870 registers and add all_blocks parameter.
10871 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10872 code to properly handle multiword hard registers.
10873 (df_rescan_blocks): Added code to remove deleted blocks from
10875 (df_ref_create_structure, df_ref_record): Added code to properly
10877 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10878 and set DF_REF_PARTIAL.
10879 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10880 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10881 (df_scan_add_problem): Added flags parameter.
10882 (df_ref_create_structure): Changed switching structure.
10883 (df_bb_refs_record): Fixed case where duplicate artificial refs
10884 were created. Changed location of flags.
10885 (df_record_entry_block_defs): Added code to make stack pointer
10886 live in entry block. Refined cases where frame pointer is needed.
10887 Changed location of flags.
10888 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10889 (df_set_state): Removed function.
10890 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10891 df_insn_create_insn_record, df_insn_refs_delete,
10892 df_ref_create_structure): Formatting changes.
10893 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10894 df_delete_basic_block): New function.
10895 (df_init): Changed location of flags.
10896 (df_add_problem): Added flags parameter and the way flags are
10898 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10899 debug_df_chain): Improved debugging output.
10900 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10901 (df_refs_chain_dump): Removed df parameter.
10902 (df_iterative_dataflow): Added consistency check.
10903 (df_prune_to_subcfg): Made public.
10904 (df_analyze_problem): Added blocks_to_init parameter and made
10906 (df_ref_record, df_bb_refs_record, df_mark_reg,
10907 df_record_exit_block_uses): Whitespace changes.
10908 (df_dump): Whitespace changes.
10909 * df.h: Some reordering to remove forward references.
10910 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10911 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10912 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10913 (dataflow.flags): New field.
10914 (df.flag): Deleted field.
10915 (df_alloc_function): Added additional bitmap parameter.
10916 (df_dependent_problem_function): New type.
10917 (df_problem.changeable_flags): New field.
10918 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10919 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10920 (df_mw_hardreg): New struct.
10921 (DF_INSN_UID_MWS): New macro.
10922 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10924 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10925 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10926 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10927 (df_set_state): Removed function.
10928 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10929 * df-problems.c (df_chain_dump): Removed df parameter.
10930 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10931 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10933 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10934 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10935 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10936 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10937 DF_REF_MUST_CLOBBER cases.
10938 (df_ru_bb_local_compute_process_def,
10939 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10940 df_lr_bb_local_compute, df_ur_bb_local_compute,
10941 df_chain_create_bb): Made subreg aware.
10942 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10943 df_lr_bb_local_compute, df_lr_bb_local_compute,
10944 df_chain_create_bb): Cleanup to use proper macros.
10945 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10946 code to fixup bitvectors.
10947 (df_ri_alloc): Cleared lifetime.
10948 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10949 df_create_unused_note): New function.
10950 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10951 REG_DEAD and REG_UNUSED notes as well as register information.
10952 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10953 df_chains_dump): Fixed crash if problem was never run.
10954 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10955 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10956 df_ri_add_problem): Processes flags in uniform manner.
10957 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10958 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10959 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10960 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10961 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10962 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10963 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10964 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10965 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10966 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10967 * see.c (see_initialize_data): Ditto.
10968 * final.c (rest_of_clean_state) Added regstack_completed.
10969 * rtl.h (regstack_completed): Ditto.
10970 * reg-stack.c (regstack_completed): Ditto.
10972 2006-05-19 Mike Stump <mrs@apple.com>
10974 * c-tree.h (default_conversion): Remove.
10975 * c-common.h (default_conversion): Add.
10977 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10979 * tree-vrp.c (valid_value_p): New function.
10980 (adjust_range_with_scev): Fail if the value of bound is not
10983 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10985 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10986 (mips_fallback_frame_state): Use syscall numbers to determine
10987 the appropriate li instruction for the current ABI. Only use
10988 __NR_sigreturn for o32.
10990 2006-05-19 Nicolas Setton <setton@adacore.com>
10992 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10993 * langhooks.c (lhd_dwarf_name): New function.
10994 * langhooks-def.h (lhd_dwarf_name): Declare.
10995 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10996 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10998 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11000 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11002 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11003 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11004 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11005 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11006 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11007 determine the size of Wtype, etc.
11008 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11009 (swfloatfuncs): New variable.
11010 (dwfloatfuncs): Likewise.
11011 (lib2funcs): Remove floating-point conversion functions from
11012 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11013 the set of conversion routines needed. Allow entries to specify
11014 an object name, filename and word size. Update users accordingly.
11015 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11016 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11020 2006-02-08 Roger Sayle <roger@eyesopen.com>
11023 * config/fixtfdi.c: New libgcc source file.
11024 * config/fixunstfdi.c: New source file.
11025 * config/floatditf.c: New source file.
11026 * config/floatunditf.c: New souce file.
11027 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11028 files above instead of config/mips/_tilib.c.
11029 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11031 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11033 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11034 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11036 2006-05-18 Mike Stump <mrs@apple.com>
11038 Fix up vla, vm and [*] sematics.
11044 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11045 (c_vla_unspec_p): Add.
11046 (c_vla_type_p): Add.
11047 * c-decl.c (struct c_scope): Add had_vla_unspec.
11048 (build_array_declarator): Add support for [*].
11049 (grokdeclarator): Likewise.
11050 (grokparms): Likewise.
11051 (get_parm_info): Likewise.
11052 * c-objc-common.c (c_vla_unspec_p): Likewise.
11053 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11054 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11055 typeof when argument is a variably modified type not inside sizeof or alignof.
11056 (c_parser_direct_declarator_inner): Propagate errors.
11057 (c_parser_sizeof_expression): Add support for [*].
11058 (c_parser_parms_declarator): Initialize had_vla_unspec.
11059 (c_parser_parms_list_declarator): Likewise.
11060 * c-typeck.c (c_vla_type_p): Add.
11061 (composite_type): Add support for vla compositing.
11062 (comptypes_internal): Add support for vla compatibility.
11063 (c_expr_sizeof_expr): Evaluate vla arguments.
11064 * tree.c (variably_modified_type_p): Update comment for [*].
11066 2006-05-18 Michael Matz <matz@suse.de>
11069 * config.host: Make assignments to host_xmake_file cumulative.
11070 * config.host (*-darwin*): Test $host, not $target.
11072 2006-05-12 Stuart Hastings <stuart@apple.com>
11074 * config/i386/i386.opt (-mstackrealign): New flag.
11075 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11076 (ix86_handle_cconv_attribute): Emit error when
11077 force_align_arg_pointer attribute collides with too many regparms.
11078 (ix86_function_regparm): Limit regparms when used with
11079 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11080 Support stack-realigning prologue in non-main functions. Emit
11081 warning for nested functions under -mstackrealign, emit error for
11082 nested functions with force_align_arg_pointer attribute.
11083 * doc/extend.texi (force_align_arg_pointer): Document it.
11084 * doc/invoke.texi (-mstackrealign): Document it.
11086 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11088 PR rtl-optimization/27477
11089 * combine.c (try_combine): Don't split a parallel consisting
11090 of two sets into two individual sets if both sets reference
11093 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11095 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11096 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11098 * doc/options.texi (VarExists): Updated.
11100 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11102 * unwind-dw2.c: Add declarations for uw_update_context and
11103 uw_frame_state_for.
11104 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11105 detected, advance frame state and context once to skip over stub.
11107 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11109 PR middle-end/20256
11110 PR middle-end/26435
11111 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11112 Call rewrite_into_loop_closed_ssa only when something changed.
11113 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11114 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11115 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11116 Test for perfect_nest_p here. Fix formating.
11117 (replace_uses_equiv_to_x_with_y): Fix formating.
11118 (stmt_uses_op): Removed.
11119 (can_convert_to_perfect_nest): Removed loopivs parameter.
11120 Complete the test by checking the scalar dependences.
11121 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11124 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11127 From Dan Kegel <dank@kegel.com>:
11128 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11130 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11132 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11133 if the element type is variably modified without recursing.
11135 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11137 PR middle-end/27332
11138 * tree-loop-linear.c (try_interchange_loops): Test for
11139 no data dependences.
11141 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11143 PR tree-optimization/27548
11144 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11145 range of ssa names that appear on abnormal edges.
11146 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11147 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11149 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11151 PR middle-end/27620
11152 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11154 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11156 PR middle-end/27415
11157 * tree.h (OMP_PARALLEL_COMBINED): Define.
11158 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11159 (new_omp_context): Add is_combined_parallel argument.
11160 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11161 new_omp_context caller.
11162 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11163 Adjust gimplify_scan_omp_clauses callers.
11164 (omp_is_private): Issue errors if iteration variable is firstprivate
11165 or reduction in the current context.
11166 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11167 on combined parallel workshare constructs.
11169 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11171 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11172 (gcc-options.o): New rule.
11174 * optc-gen.awk: Protect variables for gcc-options.o with
11175 #ifdef GCC_DRIVER/#endif.
11177 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11179 Fix PR tree-optimization/27373
11180 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11181 (forward_propagate_addr_expr): Update call.
11183 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11185 * doc/options.texi: Move the Negative option.
11187 2006-05-16 Richard Guenther <rguenther@suse.de>
11189 PR tree-optimization/22303
11190 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11192 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11193 ccp_fold did not simplify the statement.
11195 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11198 * Makefile.in (GCC_OBJS): New.
11199 (OBJS-common): Add opts-common.o.
11200 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11201 (cpp$(exeext)): Likewise.
11202 (gcc.o): Also depend on opts.h.
11203 (opts-common.o): New.
11205 * common.opt (gcoff): Add Negative(gdwarf-2).
11206 (gdwarf-2): Add Negative(gstabs).
11207 (gstabs): Add Negative(gstabs+).
11208 (gstabs+): Add Negative(gvms).
11209 (gvms): Add Negative(gxcoff).
11210 (gxcoff): Add Negative(gxcoff+).
11211 (gxcoff+): Add Negative(gcoff).
11212 * config/i386/i386.opt (m32): Add Negative(m64).
11213 (m64): Add Negative(m32).
11215 * doc/options.texi: Document the Negative option.
11217 * gcc.c: Include "opts.h".
11218 (main): Call prune_options after expandargv.
11220 * optc-gen.awk: Generate common declarations for all flag
11221 variables in options.c. Output the neg_index field.
11223 * opts.c (find_opt): Moved to ...
11224 * opts-common.c: Here. New file.
11226 * opts.h (cl_option): Add a neg_index field.
11228 (prune_options): Likewise.
11230 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11232 PR middle-end/27573
11233 * omp-low.c (expand_omp_parallel): Don't assert
11234 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11235 instead search for it.
11238 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11241 2006-05-16 Andreas Schwab <schwab@suse.de>
11243 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11246 2006-05-15 Roger Sayle <roger@eyesopen.com>
11249 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11250 integer constants other than zero are only legitimate on TARGET_64BIT.
11251 <CONST_VECTOR> Only zero vectors are legitimate.
11252 (ix86_cannot_force_const_mem): Integral and vector constants can
11253 always be put in the constant pool.
11255 2006-05-16 DJ Delorie <dj@redhat.com>
11257 * crtstuff.c (__dso_handle): Set section from
11258 TARGET_LBIGCC_SDATA_SECTION if defined.
11259 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11260 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11262 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11265 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11268 2006-05-16 Ben Elliston <bje@au.ibm.com>
11270 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11272 2006-05-15 Per Bothner <per@bothner.com>
11274 * tree.c: (last_annotated_node): Use source_locus typedef.
11275 This permits bootstrapping with --enable-mapped-location.
11277 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11279 PR tree-optimization/26830
11280 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11281 (info_for_ssa_name, current_info_for_ssa_name_age,
11282 blocks_to_update): New variables.
11283 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11284 (clear_ssa_name_info, initialize_flags_in_bb,
11285 mark_block_for_update): New functions.
11286 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11287 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11288 prepare_def_site_for): Use mark_block_for_update.
11289 (mark_def_interesting): Assert that the processed block is marked in
11290 blocks_to_update. Do not take blocks argument.
11291 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11293 (rewrite_update_init_block, rewrite_update_stmt): Only process
11294 blocks with statements to rewrite.
11295 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11296 (update_ssa): Initialize and free blocks_to_update. Do not
11297 clear flags on statements. Do not use blocks bitmap.
11298 * tree.h (SSA_NAME_AUX): Removed.
11299 (struct tree_ssa_name): Removed aux field.
11300 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11302 2006-05-15 Richard Guenther <rguenther@suse.de>
11304 PR tree-optimization/27603
11305 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11306 Do computations in original type.
11308 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11310 * see.c: Code style changes such as redundant paranthesis,
11311 redundant intialization of local variables etc.
11312 (see_main): Declared now as static.
11313 * doc/invoke.texi: Update that -fsee is not enabled by
11316 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11318 * omp-low.c (check_omp_nesting_restrictions): New function.
11319 (scan_omp_1): Call it.
11321 PR middle-end/27416
11322 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11323 construct, return *VAR.
11325 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11327 PR rtl-optimization/27406
11328 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11331 2006-05-14 Roger Sayle <roger@eyesopen.com>
11333 PR rtl-optimization/27538
11334 * combine.c (expand_compound_operation): Call gen_lowpart
11335 before calling simplify_shift_const.
11337 2006-05-14 Roger Sayle <roger@eyesopen.com>
11339 PR rtl-optimization/22563
11340 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11341 a fixed width bitfield, always force the intermediates into psuedos.
11343 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11346 * mkconfig.sh: Use operator = instead of == for test.
11348 2006-05-13 Nick Clifton <nickc@redhat.com>
11350 * dwarf2out.c (dbx_reg_number): Check return value from
11351 LEAF_REG_REMAP and only use it if it is valid.
11352 (multiple_reg_loc_descriptor): Likewise.
11354 2006-05-13 Richard Guenther <rguenther@suse.de>
11356 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11359 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11361 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11362 information attached to non-INSNs such as NOTEs.
11363 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11365 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11367 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11369 * config/s390/s390.md: Adjust comment describing On constraint.
11371 2006-05-11 Jan Hubicka <jh@suse.cz>
11373 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11374 to be output at -O0.
11376 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11378 PR middle-end/27384
11379 * fold-const.c (size_binop): Move sanity check for arguments to
11380 the beginning of the function.
11382 PR middle-end/27488
11383 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11386 2006-05-11 Richard Guenther <rguenther@suse.de>
11388 PR middle-end/27529
11389 * fold-const.c (fold_unary): Handle intermediate conversion
11390 to a pointer type like intermediate conversion to an integer
11391 type in folding of (T1)(T2)var to var.
11392 Match the code to the comment in the final conversion for
11393 (T1)(T2)var to (T1)var regarding to type precision. Rather
11394 than disallow T1 being of pointer type, assert that both T1
11395 and var are of pointer type or not. Make sure not to fall
11396 over the frontends lazyness wrt array to pointer decay though.
11398 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11400 * arm.c (arm_struct_value_rtx): Delete.
11401 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11402 (arm_init_cumulative_args): Always initialize nregs to zero.
11404 2006-05-10 Richard Guenther <rguenther@suse.de>
11406 PR tree-optimization/27532
11407 * tree-object-size.c (plus_expr_object_size): Fix typo.
11409 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11412 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11413 ashrdi_const, ashrdi3): Use a scratch register.
11415 2006-05-10 Richard Guenther <rguenther@suse.de>
11417 PR tree-optimization/27302
11418 * fold-const.c (operand_equal_p): For two comparisons,
11419 try comparison of one comparison code swapped if that yields
11422 2006-05-10 Ben Elliston <bje@au.ibm.com>
11424 * tree-pretty-print.c (pretty_print_string): No need to handle
11425 '\0' as a special character.
11427 * tree.h: Include "hashtab.h".
11428 (iterative_hash_expr): Use hashval_t in its prototype.
11429 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11431 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11434 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11435 (hppa*64*-*-hpux11*): Ditto.
11436 (hppa[12]*-*-hpux11*): Ditto.
11438 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11441 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11443 2006-05-09 Michael Matz <matz@suse.de>
11445 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11446 host_extra_gcc_objs and host_xmake_file.
11447 (<*-*-linux*>): Don't overwrite host_xmake_file.
11448 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11449 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11450 (host_detect_local_cpu): Declare.
11451 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11452 * config/i386/i386.c (override_options): Handle -mtune=native
11454 * config/i386/x-i386: New file.
11455 * config/i386/driver-i386.c: New file.
11456 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11459 2006-05-09 Dirk Mueller <dmueller@suse.de>
11460 Richard Guenther <rguenther@suse.de>
11462 PR middle-end/27498
11463 * fold-const.c (fold_read_from_constant_string): Relax check
11464 for matching types to matching modes.
11466 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11468 PR rtl-optimization/27335
11469 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11472 2006-05-08 Chao-ying Fu <fu@mips.com>
11473 Richard Sandiford <richard@codesourcery.com>
11475 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11476 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11477 * config/mips/mips.md (UNSPEC_SCC): New constant.
11478 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11479 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11480 (mips_emit_compare): Use it.
11481 (mips_expand_vcondv2sf): New function.
11483 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11485 Fix PR tree-optimization/27093
11486 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11487 renaming when they become not-used_alone.
11489 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11491 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11492 relocation and relocation stubs.
11494 2006-05-08 Eric Christopher <echristo@apple.com>
11496 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11499 2006-05-08 Jan Hubicka <jh@suse.cz>
11501 PR middle-end/24561
11502 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11503 unused static functions are needed.
11505 2006-05-08 Roger Sayle <roger@eyesopen.com>
11508 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11509 of a reg_equiv_constant if the result is a legitimate constant.
11511 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11514 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11515 standard 80387 constants, raise the cost to prevent
11516 compress_float_constant() to generate load from memory.
11518 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11520 * config/arm/constraints.md (c): Fix a typo.
11522 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11525 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11528 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11530 (_mm_mwait): Likewise.
11532 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11534 (sse3_monitor): Make it 32bit only.
11535 (sse3_monitor64): New. 64bit monitor.
11537 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11540 * config/i386/i386.c (classify_argument): Skip fields with invalid
11543 2006-05-07 Richard Guenther <rguenther@suse.de>
11545 PR tree-optimization/27409
11546 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11547 Do not try to find zero-sized subvars.
11549 2006-05-07 Richard Guenther <rguenther@suse.de>
11551 PR tree-optimization/27136
11552 * tree-ssa-loop-niter.c (get_val_for): Correct function
11553 comment, assert requirements.
11554 (loop_niter_by_eval): Stop processing if the iterated
11555 value did not simplify.
11557 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11559 * opts.c (flag_see): remove its setting at -O3.
11561 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11563 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11564 * arm/constraints.md: New file.
11565 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11566 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11567 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11568 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11569 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11570 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11571 * arm.md: Include constraints.md.
11572 (thumb_movsi_insn): Use satisfies_constraint_J.
11573 (movhi, movqi): Use satisfies_constraint_I.
11575 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11577 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11578 for atmeg a645 device.
11580 2006-05-06 Richard Guenther <rguenther@suse.de>
11582 PR tree-optimization/27151
11583 * tree-vect-transform.c (vectorizable_condition): Punt on
11584 values that have a different type than the condition.
11586 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11589 * c-parser.c (c_parser_cast_expression): Only insert casts into
11590 hash table if pointer.
11591 * function.c (used_types_insert_helper): Rename from
11593 (used_types_insert): Call used_types_insert_helper.
11594 * function.h (used_types_insert): Accept only one argument.
11596 2006-05-05 David Edelsohn <edesohn@gnu.org>
11598 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11599 scratch with output modifier.
11601 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11604 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11605 with output modifier.
11607 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11610 * config/mips/mips.c (mips_symbolic_address_p): Return true
11611 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11612 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11614 2006-05-04 Richard Guenther <rguenther@suse.de>
11616 PR tree-optimization/14287
11617 PR tree-optimization/14844
11618 PR tree-optimization/19792
11619 PR tree-optimization/21608
11620 PR tree-optimization/27090
11621 * tree-ssa-pre.c (try_combine_conversion): New function.
11622 (compute_avail): After constructing the value-handle
11623 expression, use try_combine_conversion to combine NOP_EXPRs
11624 with previous value-handle expressions and use the result if it
11627 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11629 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11631 2006-05-04 Jan Hubicka <jh@suse.cz>
11633 PR middle-end/25962
11634 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11636 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11638 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11639 that this only matches CONST_INTs. All users changed to VOIDmode
11642 * config/bfin/bfin.c: Include "optabs.h".
11643 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11645 (enum bfin_builtins): Add a number of fractional and vector builtins.
11646 (bfin_init_builtins): Likewise.
11647 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11648 (safe_vector_operand, bfin_expand_binop_builtin,
11649 bfin_expand_unop_builtin): New functions.
11650 (bfin_expand_builtin): Handle the new builtins.
11651 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11654 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11657 * Makefile.in (OBJS-common): Add see.o.
11658 (see.o): Add dependencies.
11659 * common.opt (fsee): New flag for the see optimization was added.
11660 * opts.c (flag_see): Initialized.
11661 * passes.c (init_optimization_passes, pass_see): New pass.
11662 * rtl.h (see_main): Declaration as extern.
11663 * timevar.def (TV_SEE): New.
11664 * tree-pass.h (pass_see): Declaration as extern.
11665 * invoke.texi (-fsee): Document.
11666 * recog.c (validate_simplify_insn): New function.
11667 * recog.h (validate_simplify_insn): Declaration as extern.
11668 * df-problems.c (df_chain_dump): Check for NULL.
11670 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11671 Daniel Berlin <dberlin@dberlin.org>
11673 * cfgrtl.c (insert_insn_bb_end_new): New function.
11674 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11676 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11678 * df.h (struct web_entry): Moved from web.c.
11679 (union_defs): Declaration as extern.
11680 (unionfind_root): Likewise.
11681 (unionfind_union): Likewise.
11682 * web.c (struct web_entry): Moved to df.h.
11683 (unionfind_root): Remove static declaration.
11684 (unionfind_union): Likewise.
11685 (union_defs): Likewise and generalize to use callback function.
11686 (web_main): Update arguments for union_defs function call.
11688 2006-05-04 Richard Guenther <rguenther@suse.de>
11690 PR tree-optimization/26447
11691 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11692 produce SSA_NAME copies before the store stmt to avoid
11693 breaking exception handling.
11695 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11697 PR middle-end/27388
11698 * gimplify.c (omp_is_private): If var is shared in some outer context,
11699 return false instead of true. Stop searching on parallel context
11702 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11705 * coverage.c: Use get_gcov_unsigned_t() instead of
11706 unsigned_type_node all over.
11708 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11710 PR tree-optimization/27381
11711 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11712 maintain the same immediate_use links.
11713 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11714 node rather than segfaulting.
11716 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11719 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11720 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11721 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11723 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11725 Fix PR tree-optimization/26626
11726 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11728 * tree-ssa-operands.c (access_can_touch_variable): Allow
11729 typecasting through union pointers.
11731 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11734 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11735 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11736 to find if var will be a global variable even in the nested context.
11737 (omp_copy_decl): Only check for global variable at the end, it might
11738 be overridden in outer contexts.
11739 (scan_sharing_clauses): For global variables don't create a field.
11740 (lower_rec_input_clauses): Do nothing for global shared variables.
11741 Emit a barrier at the end of ILIST if there were any decls in both
11742 firstprivate and lastprivate clauses.
11743 (lower_send_clauses): Do nothing for global variables except for
11746 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11748 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11749 of the correct signedness is returned.
11751 2006-05-02 Jeff Law <law@redhat.com>
11753 PR tree-optimization/27364
11754 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11755 multiply expressions.
11757 2006-05-02 Tom Tromey <tromey@redhat.com>
11759 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11761 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11764 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11765 -mthumb -fPIC are used.
11767 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11768 Joshua Kinard <kumba@gentoo.org>
11771 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11772 with 64-bit pointers.
11774 2006-05-02 Paul Brook <paul@codesourcery.com>
11776 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11778 (create_fix_barrier): Check that a suitable barrier location is
11780 (arm_reorg): Include ftmp->address in allowable range of addresses.
11782 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11785 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11788 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11790 PR middle-end/27337
11791 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11792 around RESULT_DECL for result passed by reference.
11793 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11794 * omp-low.c (use_pointer_for_field): Don't look at
11795 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11796 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11797 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11798 time or var for passing by reference for
11799 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11800 TREE_ADDRESSABLE variables when passing by reference.
11802 * omp-low.c (dump_omp_region): Fix output formatting.
11804 PR middle-end/27328
11805 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11806 (expand_omp_parallel): Likewise.
11807 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11809 PR middle-end/27325
11810 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11811 on statement list containing also constructors and destructors.
11812 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11814 PR middle-end/27310
11815 * except.c (duplicate_eh_regions): Fix clearing of
11816 cfun->eh->region_array entries.
11818 2006-05-01 DJ Delorie <dj@redhat.com>
11820 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11822 (gcc_cv_objdump): Likewise.
11823 * configure: Regenerated.
11825 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11828 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11829 templates for case 3 and 4.
11831 2006-05-01 DJ Delorie <dj@redhat.com>
11833 * vec.c: Include bconfig.h when appropriate.
11834 * Makefile.in (build/vec.o): Adjust dependencies.
11835 * mkconfig.sh: Make sure config.h isn't used for build machine
11838 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11840 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11842 (mark_phi_for_rewrite): New function.
11843 (insert_phi_nodes_for, mark_use_interesting): Call
11844 mark_phi_for_rewrite.
11845 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11846 (update_ssa): Initialize and free phis_to_rewrite.
11848 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11850 PR rtl-optimization/27291
11851 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11852 folded to a constant.
11854 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11856 PR tree-optimization/27283
11857 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11858 not whole # of iteration descriptions.
11859 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11860 uses abnormal ssa name.
11861 (niter_for_single_dom_exit): Ditto.
11862 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11863 return just the number of iterations.
11865 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11867 PR tree-optimization/27144
11868 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11869 (record_estimate): Only record constant upper bound.
11870 (infer_loop_bounds_from_undefined): Call
11871 compute_estimated_nb_iterations just once.
11872 (proved_non_wrapping_p): Renamed to ...
11873 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11874 (convert_step_widening, scev_probably_wraps_p): Call
11875 n_of_executions_at_most instead of proved_non_wrapping_p.
11876 (substitute_in_loop_info): Do not replace values in bounds.
11877 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11880 2006-05-01 Richard Henderson <rth@redhat.com>
11883 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11884 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11887 2006-05-01 Roger Sayle <roger@eyesopen.com>
11889 * c-typeck.c (parser_build_binary_op): Don't call the function
11890 unsigned_conversion_warning to spot operand/result type overflow.
11891 (build_binary_op): Instead, call convert_and_check instead of
11892 convert to report the problem when the operands are promoted.
11893 * c-common.c (unsigned_conversion_warning): Make static.
11894 * c-common.h (unsigned_conversion_warning): Delete prototype.
11896 2006-05-01 Richard Guenther <rguenther@suse.de>
11898 PR tree-optimization/26726
11899 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11901 (find_interesting_uses_address): ... we work around here
11902 by folding INDIRECT_REFs in the substituted base.
11904 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11906 * omp-low.c (dump_omp_region): Add newlines.
11908 2006-04-30 Roger Sayle <roger@eyesopen.com>
11910 * common.opt (Woverflow): New command line option.
11911 * c-common.c (constant_expression_warning): Check warn_overflow.
11912 (overflow_waring): Pass OPT_Woverflow to warning.
11913 (unsigned_conversion_warning): Likewise.
11914 (convert_and_check): Likewise.
11915 * doc/invoke.texi: Document new command line option.
11917 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11919 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11920 TARGET_NO_FP_IN_TOC for section anchors.
11921 (optimization_options): Enable section anchors for all
11922 non-"Objective" languages.
11924 2006-04-28 Eric Christopher <echristo@apple.com>
11926 * config/darwin-c.c (darwin_ms_struct): Move this
11927 (darwin_set_default_type_attributes): and this...
11928 * config/darwin.c: ... here.
11929 * config/darwin.h (darwin_ms_struct): Declare.
11931 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11933 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11935 2006-04-28 Roger Sayle <roger@eyesopen.com>
11938 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11939 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11940 an unsigned HOST_WIDE_INT.
11941 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11943 (really_start_incremental_init): No need to call convert because
11944 bitsize_zero_node is already of type bitsizetype.
11945 (push_init_level): Extract the value of constructor_index as an
11946 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11947 (process_init_element): Likewise.
11949 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11951 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11952 value before passing to make_relative_prefix.
11954 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11956 PR middle-end/27260
11957 * builtins.c (expand_builtin_memset): Expand val in original mode.
11959 2006-04-27 Eric Christopher <echristo@apple.com>
11961 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11962 with #ifndef/#endif.
11963 * config/darwin-c.c (darwin_ms_struct): New.
11964 (darwin_pragma_ms_struct): Ditto.
11965 (darwin_set_default_type_attributes): Ditto.
11966 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11967 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11968 Register ms_struct pragma.
11969 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11970 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11971 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11972 darwin_set_default_type_attributes if TARGET_MACHO.
11974 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11976 PR tree-optimization/26854
11977 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11978 * doc/tree-ssa.texi: Update immuse iterator documentation.
11979 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11980 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11981 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11982 first_safe_imm_use, next_safe_imm_use): Remove.
11983 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11984 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11985 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11986 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11987 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11988 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11989 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11990 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11991 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11992 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11993 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11994 (perfect_nestify): Use new iterator.
11995 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11997 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11998 (next_imm_name): New field in struct immediate_use_iterator_d.
11999 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12000 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12001 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12002 * tree-cfg.c (replace_uses_by): Use new iterator.
12003 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12004 * tree-ssa-operands.c (correct_use_link): Remove.
12005 (finalize_ssa_use_ops): No longer call correct_use_link.
12007 2006-04-27 Stuart Hastings <stuart@apple.com>
12009 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12010 * config/t-darwin (crt3.o): Use it.
12011 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12012 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12013 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12014 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12015 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12018 2006-04-27 Roger Sayle <roger@eyesopen.com>
12020 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12021 size, force the intermediate into a new pseudo rather instead of
12022 performing both a bitwise AND and a bitwise IOR in memory.
12024 2006-04-27 Richard Guenther <rguenther@suse.de>
12026 PR rtl-optimization/26685
12027 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12028 this one "max-flow-memory-locations".
12030 2006-04-27 Richard Guenther <rguenther@suse.de>
12032 PR tree-optimization/25148
12033 * tree-vrp.c (compare_values): Remove code dealing with
12034 comparisons against type min/max value. Honour overflow
12035 and negative constants in code dealing with comparisons
12036 of plus and minus expressions.
12037 (value_inside_range): Use fold_binary with LE_EXPR and
12038 GE_EXPR rather than compare_values.
12040 2006-04-27 Dirk Mueller <dmueller@suse.de>
12042 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12045 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12047 * basic-block.h (safe_insert_insn_on_edge): Removed.
12048 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12050 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12051 Paolo Bonzini <bonzini@gnu.org>
12053 PR middle-end/27282
12054 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12055 (simplify_and_const_int): Same.
12057 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12059 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12061 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12064 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12065 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12066 cgraph_global_info_ready.
12068 PR middle-end/26913
12069 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12072 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12073 either decl or init is error_mark_node.
12075 PR middle-end/25989
12076 * tree-flow.h (struct omp_region): Add sched_kind.
12077 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12078 instead of extracting omp for data.
12079 (expand_omp_for): Save extracted sched_kind.
12081 2006-04-25 Roger Sayle <roger@eyesopen.com>
12083 * expmed.c (store_bit_field): Also check whether the bitsize is
12084 valid for the machine's "insv" instruction before moving the
12085 target into a pseudo for use with the insv.
12086 * config/i386/predicates.md (const8_operand): New predicate.
12087 * config/i386/i386.md (extv, extzv, insv): Use the new
12088 const8_operand predicate where appropriate.
12090 2006-04-25 DJ Delorie <dj@redhat.com>
12092 * doc/install.texi (Specific): Clarify that this is not a list of
12093 supported hosts or targets.
12095 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12097 PR rtl-optimization/26725
12098 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12099 block's BB_DIRTY flag.
12101 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12103 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12106 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12107 to print an integer.
12109 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12111 * varasm.c (align_variable): New function.
12112 (get_block_for_decl): Apply align_variable to DECL before
12113 calculating section information.
12114 (assemble_variable): Split out alignment computation.
12116 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12118 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12121 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12123 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12124 MODE_PARTIAL_INT mode.
12125 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12126 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12128 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12129 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12131 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12133 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12135 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12136 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12137 MACFLAG_IH): Likewise.
12138 (movstricthi_1): Renamed from "*movstricthi".
12139 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12140 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12141 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12142 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12143 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12144 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12145 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12146 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12147 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12148 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12149 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12150 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12151 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12152 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12153 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12155 * doc/rtl.texi (ss_ashift): Improve wording.
12157 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12159 * dwarf2out.c (verify_marks_clear): New.
12160 (prune_unused_types): Call verify_marks_clear initially, not
12163 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12165 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12166 * doc/rtl.texi: Document them.
12167 * simplify-rtx.c (simplify_unary_operation,
12168 simplify_binary_operation_1): Don't abort when we see them.
12170 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12173 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12174 * configure.ac: Completely disregard languages that are not
12176 * configure: Regenerated.
12178 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12179 Richard Guenther <rguenther@suse.de>
12181 PR tree-optimization/27236
12182 * tree-inline.c (copy_body_r): Make sure to copy
12183 TREE_THIS_VOLATILE flag.
12185 2006-04-24 Richard Guenther <rguenther@suse.de>
12187 PR middle-end/26869
12188 * tree-complex.c (update_parameter_components): Don't handle
12189 unused parameters which have no default def.
12191 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12192 Richard Guenther <rguenther@suse.de>
12194 PR tree-optimization/27218
12195 * tree-inline.c (expand_call_inline): Strip useless type
12196 conversions for the return slot address.
12198 2006-04-24 Richard Guenther <rguenther@suse.de>
12200 * cfgloop.h (struct loops): Remove unused field array. Reorder
12202 (LOOP_PREFETCH): Remove.
12204 2006-04-24 Richard Guenther <rguenther@suse.de>
12206 PR tree-optimization/22525
12207 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12208 variable, adjust types of generated expressions.
12210 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12212 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12213 (tree-vect-patterns.o): Likewise.
12214 (jump.o): Likewise.
12215 (cselib.o): Likewise.
12216 (loop-doloop.o): Likewise.
12217 (regclass.o): Likewise.
12218 (reload1.o): Likewise.
12219 (explow.o): Replace target.h with $(TARGET_H).
12220 (ipa-prop.o): Likewise.
12221 (ipa-cp.o): Likewise.
12222 (ipa-inline.o): Likewise.
12223 (reorg.o): Likewise.
12224 (reg-stack.o): Likewise.
12226 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12228 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12230 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12232 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12234 * configure.ac: Completely disregard languages that are not
12236 * configure: Regenerated.
12239 * c-common.h (c_build_bitfield_integer_type): Declare.
12240 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12241 * c-common.c (c_build_bitfield_integer_type): ... here.
12243 2006-04-23 Roger Sayle <roger@eyesopen.com>
12246 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12247 a SImode SUBREG of a floating point register after no_new_pseudos.
12249 2006-04-23 Roger Sayle <roger@eyesopen.com>
12251 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12252 identify potentially eliminable registers to additionally catch
12253 VIRTUAL_INCOMING_ARGS_REGNUM.
12254 (addsi3): Update the conditions on when to use addsi_small_int.
12256 2006-04-23 Roger Sayle <roger@eyesopen.com>
12259 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12260 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12261 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12263 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12265 * fold-const.c (range_predecessor): Use operand_equal_p
12266 as the predicate for equality.
12267 (range_successor): Likewise.
12269 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12272 * config/soft-fp/op-common.h: Fix a typo.
12274 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12276 PR libmudflap/26864
12277 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12278 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12280 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12282 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12284 * doc/tm.texi: Fix a typo.
12286 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12288 * dwarf2out.c (struct die_struct): Document that die_sib makes
12289 a circular linked list.
12290 (FOR_EACH_CHILD): New.
12291 (reverse_die_lists): Delete.
12292 (reverse_all_dies): Delete.
12293 (add_dwarf_attr): Correct documentation.
12294 (remove_child_with_prev): New.
12295 (remove_child_TAG): Update for change to die_struct, use
12296 remove_child_with_prev.
12297 (add_child_die): Update for change to die_struct.
12298 (splice_child_die): Use remove_child_with_prev and add_child_die.
12299 (print_die): Use FOR_EACH_CHILD.
12300 (die_checksum): Likewise.
12301 (assign_symbol_names): Likewise.
12302 (output_location_lists): Likewise.
12303 (build_abbrev_table): Likewise.
12304 (calc_die_sizes): Likewise.
12305 (mark_dies): Likewise.
12306 (unmark_dies): Likewise.
12307 (unmark_all_dies): Likewise.
12308 (output_die): Likewise.
12309 (prune_unused_types_mark): Likewise.
12310 (prune_unused_types_walk): Likewise.
12311 (same_die_p): Update for change to die_struct.
12312 (break_out_includes): Likewise.
12313 (prune_unused_types_prune): Likewise.
12314 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12315 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12316 it's already clear.
12317 (dwarf2out_finish): Don't call reverse_all_dies.
12319 2006-04-21 Eric Christopher <echristo@apple.com>
12321 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12322 in comments and function names.
12324 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12327 * c-typeck.c (digest_init): Robustify.
12329 * c-typeck.c (pop_init_level): Simplify.
12331 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12333 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12335 2006-04-21 Paul Brook <paul@codesourcery.com>
12337 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12338 hardware floating point.
12340 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12342 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12345 2006-04-21 Nick Clifton <nickc@redhat.com>
12347 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12350 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12353 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12354 C++ lang type in traceback table for Objective-C++.
12356 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12358 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12360 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12362 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12365 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12366 were errors. Remove check for erroneous objects.
12368 2006-04-20 Jeff Law <law@redhat.com>
12370 PR tree-optimization/26854
12371 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12372 checking for zero or one use.
12373 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12374 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12375 * tree-ssa-reassoc.c (negate_value): Similarly.
12376 (reassociate_bb): Similarly.
12378 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12381 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12382 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12383 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12385 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12387 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12388 fp regs if the last fp arg doesn't fit in regs.
12390 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12393 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12394 that the last insn has the REG_INC note.
12396 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12397 Nathan Sidwell <nathan@codesourcery.com>
12400 * stor-layout.c (update_alignment_for_field): Do not align
12402 (place_union_field): Place union field at the start of the union.
12403 (place_field): Move ERROR_MARK check later, and use the current
12404 allocation position to maintain monotonicity.
12406 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12408 * dominance.c: Include timevar.h.
12409 (calculate_dominance_info): Use TV_DOMINANCE.
12410 * timevar.def (TV_DOMINANCE): New timevar.
12411 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12413 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12415 PR rtl-optimization/14261
12416 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12417 move would be an INSV insn.
12418 (noce_process_if_block): Don't optimize if the destination is a
12419 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12421 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12423 * config/s390/s390.md: Add comments with the instructions emitted
12424 by an insn pattern if macros are used.
12426 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12428 PR rtl-optimization/26026
12429 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12430 is a known power of two shifted left a variable amount.
12432 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12434 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12435 to hash table twice when the debug_str section has SECTION_MERGE.
12437 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12439 * config/soft-fp: New directory. From glibc.
12440 * config/soft-fp/t-softfp: New.
12441 * config/soft-fp/README: New.
12442 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12443 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12444 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12445 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12446 * config.gcc: Use rs6000/t-fprules-fpbit or
12447 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12449 * config/rs6000/sfp-machine.h: New. Based on glibc.
12450 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12452 * config/rs6000/t-fprules: Remove fp-bit rules.
12453 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12454 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12455 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12456 (softfp_wrap_start, softfp_wrap_end): New.
12458 2006-04-18 DJ Delorie <dj@redhat.com>
12460 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12462 2006-04-18 Devang Patel <dpatel@apple.com>
12464 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12466 2006-04-18 Nick Clifton <nickc@redhat.com>
12468 * config/sh/t-symbian: Add rule to build sh-c.o
12469 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12470 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12471 (sh_symbian_encode_section_info): Likewise.
12473 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12475 * builtins.c (expand_builtin_strcmp): Cover label definition of
12476 do_libcall with HAVE_cmpstrnsi.
12478 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12480 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12482 * function.h (temp_slot_p): New.
12483 (function): Change the type of x_used_temp_slots to
12484 VEC(temp_slot_p,gc) *.
12486 2006-04-18 Nick Clifton <nickc@redhat.com>
12488 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12489 flag_strength_reduce.
12491 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12493 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12497 Partial revert of revision 112637
12498 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12499 Dale Johannesen <dalej@apple.com>
12502 * regclass.c (struct reg_pref): Update documentation.
12503 (regclass): Set prefclass to NO_REGS if memory is the best option.
12504 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12506 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12508 PR tree-optimization/26821
12509 * tree-ssa-math-opts.c (get_constant_one): New.
12510 (insert_reciprocals): Use it.
12512 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12514 * dwarf2out.c (free_AT): Delete.
12515 (remove_AT): Update string ref counts.
12516 (remove_child_TAG): Don't call free_die.
12517 (free_die): Delete.
12518 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12519 or DW_TAG_GNU_EINCL.
12520 (prune_unused_types_walk_attribs): Reset string refcounts.
12521 (prune_unused_types_update_strings): New.
12522 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12523 call free_die. Do call prune_unused_types_update_strings.
12524 (prune_unused_types): Empty debug_str_hash.
12526 2006-04-17 Roger Sayle <roger@eyesopen.com>
12528 * expr.c (expand_assignment): Optimize away no-op moves where the
12529 source and destination are equal and have no side-effects.
12531 2006-04-17 Richard Guenther <rguenther@suse.de>
12534 * reload.c (push_reload): Guard calls to get_secondary_mem
12535 for memory subregs.
12537 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12539 * alias.c (reg_base_value, old_reg_base_value): Change the
12540 type to VEC(rtx,gc) *.
12541 (REG_BASE_VALUE, find_base_value, record_set,
12542 init_alias_analysis): Use VEC instead of VARRAY.
12544 * alias.c (alias_sets): Change the type to
12545 VEC(alias_set_entry,gc) *.
12546 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12547 VEC instead of VARRAY.
12548 (last_alias_set): Remove.
12550 * cgraph.h (cgraph_edge_p): New.
12551 Update the prototype of cgraph_function_versioning.
12552 * cgraphunit.c (cgraph_copy_node_for_versioning,
12553 cgraph_function_versioning): Use VEC instead of VARRAY.
12554 * ipa-cp.c (ipcp_insert_stage): Likewise.
12556 2006-04-16 Roger Sayle <roger@eyesopen.com>
12559 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12560 "A op B" or "A op C", we may need to convert A to the type of B and C.
12562 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12564 * target.h (struct gcc_target): Add mode_rep_extended.
12565 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12566 (init_num_sign_bit_copies_in_rep): Initialize it using
12568 (truncate_to_mode): Use it.
12569 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12570 * targhooks.h (default_mode_rep_extended): Declare it.
12571 * targhooks.c (default_mode_rep_extended): Define it.
12572 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12573 default_mode_rep_extended.
12574 (TARGET_INITIALIZER): Include it.
12575 * doc/tm.texi (Misc): Document it.
12576 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12577 (mips_truncated_to_mode): New function.
12579 2006-04-16 Roger Sayle <roger@eyesopen.com>
12581 PR middle-end/25474
12582 * expr.c (compress_float_constant): Copy the narrow constant into
12583 a new pseudo before extending it to its final width.
12585 2006-04-16 Roger Sayle <roger@eyesopen.com>
12586 Andrew Pinski <pinskia@gcc.gnu.org>
12587 Dale Johannesen <dalej@apple.com>
12590 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12591 special case code to implement V8HImode and V16QImode with SSE2.
12593 2006-04-15 Roger Sayle <roger@eyesopen.com>
12595 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12596 trees are constructed with a suitable tree type.
12598 2006-04-15 Roger Sayle <roger@eyesopen.com>
12600 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12601 (integer_onep): Likewise.
12602 (integer_all_onesp): Likewise.
12603 (integer_pow2p): Likewise.
12604 (integer_nonzerop): Likewise.
12605 (real_zerop): Likewise.
12606 (real_onep): Likewise.
12607 (real_twop): Likewise.
12608 (real_minus_onep): Likewise.
12609 (int_size_in_bytes): Likewise.
12610 (host_integerp): Likewise.
12612 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12614 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12615 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12616 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12618 * tree-ssa-structalias.h (alias_info): Remove num_references.
12620 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12622 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12623 (output_bvb patterns): Likewise.
12624 * pa.c (output_bb): Use 'bb' insn for long branch case.
12625 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12626 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12627 1. Correct length operand for alternatives 1 and 2.
12628 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12629 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12631 2006-04-14 Roger Sayle <roger@eyesopen.com>
12633 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12634 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12635 were accidentally reverted by r112959.
12637 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12639 PR middle-end/26823
12640 * except.h (eh_region_outermost): New prototype.
12641 * except.c (eh_region_outermost): New function.
12642 * tree-cfg.c (find_outermost_region_in_block): Use it.
12644 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12646 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12648 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12649 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12650 (init_reload, reload): Use VEC instead of VARRAY.
12651 * reload.h: Update the prototype for
12652 reg_equiv_memory_loc_varray.
12654 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12655 Eric Botcazou <ebotcazou@libertysurf.fr>
12657 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12658 register save area.
12660 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12662 PR middle-end/27134
12663 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12664 to expand fallback builtin function call.
12666 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12668 PR middle-end/27095
12669 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12670 and emit libcall here in case the builtin fails.
12671 (expand_builtin_strcmp): Always emit the libcall here on failure.
12673 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12675 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12676 * flow.c (reg_n_info): Change the type to
12677 VEC(reg_info_p,heap) *.
12678 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12680 * regs.h (reg_info_p): New.
12681 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12682 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12683 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12686 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12688 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12690 * params.h (MAX_SCHED_READY_INSNS): New macro.
12691 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12692 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12693 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12694 the ready list for 1 cycle during the first scheduling pass.
12695 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12697 2006-04-13 Richard Henderson <rth@redhat.com>
12700 * gimple-low.c (lower_omp_directive): Remove dead code.
12701 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12702 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12703 * omp-low.c (struct omp_region): Move to tree-flow.h.
12704 (root_omp_region): Export.
12705 (omp_regions, lookup_omp_region): Remove.
12706 (determine_parallel_type): Update for struct omp_region changes.
12707 (dump_omp_region): Dump regions with block numbers.
12708 (new_omp_region): Take type and block instead of stmt; malloc
12710 (free_omp_region_1, free_omp_regions): New.
12711 (expand_parallel_call): Take entry_stmt as argument; update for
12712 changes to omp_region.
12713 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12714 (remove_exit_barriers): New.
12715 (expand_omp_parallel): Update for struct omp_region changes.
12716 (expand_omp_synch): Likewise.
12717 (expand_omp): Likewise.
12718 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12719 (expand_omp_for_static_chunk): Likewise.
12720 (expand_omp_for): Likewise.
12721 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12722 (expand_omp_sections): Similarly, with GOMP_sections_end.
12723 (expand_omp_single): New.
12724 (build_omp_regions_1): Update for OMP_CONTINUE.
12725 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12726 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12727 OMP_SECTIONS_SECTIONS.
12728 (lower_omp_single_simple): Don't emit barrier here.
12729 (lower_omp_single_copy): Likewise.
12730 (lower_omp_single): Fix bindings, and lower to straightline now.
12731 (lower_omp_master, lower_omp_ordered): Likewise.
12732 (lower_omp_critical): Likewise.
12733 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12734 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12735 omp edges, free it afterward.
12736 (make_omp_sections_edges): Remove.
12737 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12738 (move_stmt_r): Handle OMP_CONTINUE.
12739 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12740 statement pointers to basic blocks. Add type member.
12741 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12742 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12743 * tree-inline.c (estimate_num_insns_1): Likewise.
12744 * tree-pretty-print.c (dump_generic_node): Likewise.
12745 * tree-ssa-operands.c (get_expr_operands): Likewise.
12746 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12747 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12748 (OMP_CONTINUE): New.
12749 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12750 (OMP_SECTIONS_SECTIONS): Remove.
12751 (OMP_SECTION_LAST): New.
12752 (OMP_RETURN_NOWAIT): New.
12754 2006-04-13 Roger Sayle <roger@eyesopen.com>
12756 * fold-const.c (native_encode_vector, native_interpret_real):
12757 Correct obvious mistakes in the previous check-in.
12759 2006-04-13 Roger Sayle <roger@eyesopen.com>
12761 * fold-const.c (native_encode_expr): New function to encode
12762 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12763 or VECTOR_CST into a specified buffer.
12764 (native_encode_int): New function.
12765 (native_encode_real): New function.
12766 (native_encode_complex): New function.
12767 (native_encode_vector): New function.
12768 (native_interpret_expr): Inverse of native_encode_expr to convert
12769 a target representation into an INTEGER_CST, REAL_CST etc...
12770 (native_interpret_int): New function.
12771 (native_interpret_real): New function.
12772 (native_interpret_complex): New function.
12773 (native_interpret_vector): New function.
12774 (fold_view_convert_expr): New function to constant fold/evaluate
12775 a VIEW_CONVERT_EXPR of a suitable constant expression.
12776 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12777 Change call of build1 to fold_build1 when constructing a
12780 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12781 Ulrich Weigand <uweigand@de.ibm.com>
12784 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12787 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12790 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12791 optimize to lo_sum for DFmode if !TARGET_FPRS.
12793 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12795 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12796 delete_alias_info, compute_flow_sensitive_aliasing,
12797 group_aliases): Use VEC instead of VARRAY.
12798 * tree-ssa-structalias.c (update_alias_info): Likewise.
12799 * tree-ssa-structalias.h (alias_info): Change the type of
12800 processed_ptrs to VEC(tree,heap) *.
12802 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12805 * config/sh/lib1funcs.h: New file, broken out of:
12806 * config/sh/lib1funcs.asm.
12807 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12809 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12810 * config/sh/lib1funcs-Os-4-200.asm: New file.
12811 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12812 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12813 (EXTRA_MULTILIB_PARTS): Include it.
12814 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12815 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12816 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12817 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12820 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12822 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12823 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12824 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12826 * tree-ssa-live.h: Include vecprim.h.
12827 (tree_partition_associator_d): Change the type of
12828 first_partition to VEC(int,heap) *.
12829 (tpa_first_partition): Use VEC instead of VARRAY.
12831 * Makefile.in (GTFILES): Move functions.h after tree.h.
12832 * function.c (reset_block_changes, record_block_change,
12833 check_block_change, free_block_changes): Use VEC instead of
12835 * function.h (function): Change the type of
12836 ib_boundaries_block to VEC(tree,gc) *.
12837 * tree-inline.c (copy_cfg_body): Initialize
12838 ib_boundaries_block to NULL instead of (varray_type) 0.
12840 2006-04-12 Roger Sayle <roger@eyesopen.com>
12842 * expr.c (emit_group_store): Correct operand order in call to
12843 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12844 a SUBREG_BYTE of zero.
12846 2006-04-12 Richard Guenther <rguenther@suse.de>
12848 * profile.c (compute_branch_probabilities): Remove code
12849 encapsulated in !ir_type (), which are remanents of the
12850 removed RTL profiling code.
12851 * rtl-profile.c: Remove.
12853 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12855 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12856 magic NULL_RTX comment.
12857 (function_arg): Store entire fp arg to mem if any part should go
12859 (rs6000_arg_partial_bytes): Adjust for above change.
12861 2006-04-11 Roger Sayle <roger@eyesopen.com>
12863 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12864 if it hasn't been initialized by dwarf2out_init.
12866 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12868 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12869 symbolic constants in branch patterns.
12871 2006-04-11 Roger Sayle <roger@eyesopen.com>
12873 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12875 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12877 PR rtl-optimization/27073
12878 * gcse.c (try_replace_reg): Revert last change. Continue to search
12879 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12882 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12884 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12885 aggregate types other than record and union types.
12886 (function_arg): Likewise.
12887 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12889 (function_value): In 64-bit mode, return objects that require it
12892 2006-04-11 Roger Sayle <roger@eyesopen.com>
12894 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12896 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12898 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12900 2006-04-03 Jeff Law <law@redhat.com>
12903 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12904 alias information too.
12906 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12908 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12910 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12913 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12914 (premark_used_types_helper): New.
12915 (premark_used_types): New.
12916 (gen_subprogram_die): Call premark_used_types.
12917 (prune_unused_types_walk): Do not prune perennial dies.
12918 * function.c (used_types_insert): New.
12919 * function.h (struct function): Add used_types_hash field.
12920 (used_types_insert): Add prototype.
12921 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12922 * c-parser.c (c_parser_cast_expression): Save casted types in used
12925 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12928 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12929 rs6000_explicit_options.float_gprs.
12931 2006-04-10 Roger Sayle <roger@eyesopen.com>
12933 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12934 from ix86_expand_vector_init_low_nonzero. Take an additional
12935 one_var argument indicating which element is non-zero. Support
12936 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12937 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12938 with one_var instead of ix86_expand_vector_init_low_nonzero.
12940 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12942 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12943 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12944 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12945 build/genextract.o): Depend on vecprim.h.
12946 * cfglayout.c, df-problems.c, function.c, genextract.c,
12947 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12948 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12952 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12954 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12955 Declare VECs of this type.
12956 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12957 (remove_children): Delete.
12958 (add_dwarf_attr): Use VEC routines.
12959 (add_AT_flag): Update for changes to add_dwarf_attr.
12960 (add_AT_int): Likewise.
12961 (add_AT_unsigned): Likewise.
12962 (add_AT_long_long): Likewise.
12963 (add_AT_vec): Likewise.
12964 (add_AT_string): Likewise.
12965 (add_AT_die_ref): Likewise.
12966 (add_AT_fde_ref): Likewise.
12967 (add_AT_loc): Likewise.
12968 (add_AT_loc_list): Likewise.
12969 (add_AT_addr): Likewise.
12970 (add_AT_lbl_id): Likewise.
12971 (add_AT_lineptr): Likewise.
12972 (add_AT_macptr): Likewise.
12973 (add_AT_offset): Likewise.
12974 (add_AT_range_list): Likewise.
12975 (get_AT): Use VEC_iterate.
12976 (remove_AT): Use VEC_ordered_remove.
12977 (free_die): Fold remove_children into here; have it use VEC_iterate.
12978 (print_die): Use VEC_iterate on attrs.
12979 (reverse_die_lists): Don't reverse attr lists.
12980 (die_checksum): Use VEC_iterate on attrs.
12981 (same_die_p): Likewise.
12982 (output_location_lists): Likewise.
12983 (build_abbrev_table): Likewise.
12984 (size_of_die): Likewise.
12985 (unmark_all_dies): Likewise.
12986 (output_abbrev_section): Likewise.
12987 (output_die): Likewise.
12988 (prune_unused_types_walk_attribs): Likewise.
12990 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12992 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12994 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12997 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12999 2006-04-09 Roger Sayle <roger@eyesopen.com>
13001 * expr.c (store_constructor): Don't bother clearing target if
13002 we're about to assign a vector to it using vec_init_optab.
13004 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13006 * tree-ssa-alias.c (lhs_may_store_to): New function.
13007 (recalculate_used_alone): Handle LHS of calls.
13009 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13013 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13014 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13015 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13016 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13017 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13018 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13019 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13020 stubs. Add ".align 8" directives before all ".dword" directives.
13021 (GTHREAD_USE_WEAK): Revise comment.
13022 (TARGET_ATTRIBUTE_WEAK): Define.
13023 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13024 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13025 * stublib.c: New file.
13030 * pa.md (cbranch patterns): Revise arguments used in calls to
13031 output_cbranch, output_bb and output_bvd. Add long branch length
13033 (fbranch patterns): Handle long branches.
13034 (jump): Revise length check. Revise arguments for output_lbranch call.
13035 Add long branch length attributes.
13036 (decrement_and_branch_until_zero): Add long branch length attributes.
13037 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13038 Likewise. Revise arguments for output_parallel_addb and
13039 output_parallel_movb calls.
13040 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13041 output_parallel_movb and output_parallel_addb): Update prototypes.
13042 * pa.c (output_cbranch): Revise arguments. Correct handling of
13043 nullification in long branches.
13044 (output_lbranch): Add new argument to control extraction of delay
13046 (output_bb): Handle long branches.
13047 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13048 output_parallel_addb): Likewise.
13050 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13052 PR rtl-optimization/27073
13053 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13056 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13058 * tree.h (tree_memory_tag): Add old_used_alone.
13059 (SMT_OLD_USED_ALONE): New macro.
13060 * tree-ssa-alias.c (recalculate_used_alone): Stop
13061 marking things for renaming unnecessarily.
13063 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13065 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13066 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13067 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13068 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13069 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13070 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13071 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13072 spelling convensions.
13073 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13074 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13075 typos. Follow spelling conventions.
13077 2006-04-07 DJ Delorie <dj@redhat.com>
13079 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13080 passed on the stack.
13081 (m32c_init_cumulative_args): When a function returns a structure,
13082 always pass the pointer to that return area on the stack.
13083 (m32c_function_arg_advance): Don't increment the parameter number
13084 if we're processing the returned structure pointer.
13085 (pushm_info): Reverse order of registers.
13087 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13089 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13090 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13091 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13092 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13093 build_int_cst_type.
13094 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13095 chrec_fold_multiply): Same.
13096 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13097 force_expr_to_var_cost): Same.
13098 * tree-mudflap.c (mf_xform_derefs_1): Same.
13099 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13101 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13103 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13104 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13107 2006-04-07 Jan Hubicka <jh@suse.cz>
13109 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13111 2006-04-07 Richard Guenther <rguenther@suse.de>
13113 PR tree-optimization/26135
13114 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13115 loads for store copy-prop.
13116 (copy_prop_visit_stmt): Likewise.
13118 2006-04-05 Robert Millan <robertmh@gnu.org>
13120 * config/i386/linux.h: Add a comment to mark macros that are
13121 being overriden in config/k*bsd-gnu.h.
13122 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13124 * config/knetbsd-gnu.h: Ditto.
13126 2006-04-06 Jan Hubicka <jh@suse.cz>
13130 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13133 2006-04-06 Mike Stump <mrs@apple.com>
13135 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13136 for HAVE_nonlocal_goto to be consistent.
13137 (expand_builtin_nonlocal_goto): Likewise.
13138 (expand_builtin_strcmp): Use #ifdef instead of #if
13139 for HAVE_cmpstrnsi to be consistent.
13141 2006-04-05 DJ Delorie <dj@redhat.com>
13143 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13146 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13148 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13149 got-relative addressing for anything but SImode.
13151 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13152 even if the calling function doesn't modify them.
13154 2006-04-05 Richard Guenther <rguenther@suse.de>
13156 PR tree-optimization/26919
13157 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13158 to cgraph_estimate_size_after_inlining.
13160 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13162 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13164 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13166 PR tree-optimization/26996
13167 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13168 VECTOR_TYPE variables.
13170 2006-04-05 Richard Guenther <rguenther@suse.de>
13172 PR tree-optimization/26763
13173 * fold-const.c (fold_comparison): Move folding of
13174 PTR + CST CMP PTR + CST ...
13175 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13177 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13179 * doc/install.texi (Prerequisites): Refine some wording on
13180 bootstrapping and ksh.
13181 Move the version numbers of DejaGnu here from the testing section
13182 and fix casing of names.
13183 Fix markup and clarify wording for autogen requirements.
13184 Refer to GCJ instead of just java.
13185 Refer to SVN instead of CVS.
13186 Describe diffutils as useful instead of necessary.
13187 (Downloading the source): Refer to SVN instead of CVS.
13188 Adjust a link to our web site accordingly.
13189 (Configuration): Fix casing of Bison.
13190 (Building): Refer to SVN instead of CVS.
13191 Fix a sentence on the use of Bison and remove duplicate (and
13192 incorrect) version number of Bison requirement.
13193 Remove one redundant list of packages needed for building.
13194 (Specific): Avoid reference to CVS.
13196 2006-04-04 Eric Christopher <echristo@apple.com>
13198 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13199 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13200 (rs6000_handle_struct_attribute): New.
13201 (rs6000_ms_bitfield_layout_p): Ditto.
13203 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13205 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13206 NULL for dso parameter to atexit_common.
13208 2006-04-04 Eric Christopher <echristo@apple.com>
13210 * config/i386/i386.c (machopic_output_stub): Output \t
13211 between instructions and operands.
13213 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13215 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13216 satisfies_constraint_[IL] to explicit tests on value.
13218 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13220 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13221 set_nb_iterations_in_loop): Use build_int_cst instead of
13222 build_int_cst_type.
13223 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13224 build_int_cst instead of convert.
13226 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13228 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13229 new value 2 for incoming.
13230 * function.c (expand_function_start): Call struct_value_rtx
13231 with incoming as 2.
13232 * config/sparc/sparc.md: Comment updated_return.
13233 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13234 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13235 struct return if sparc_std_struct_return and incoming is 2.
13236 (print_operand): Do not adjust return if
13237 sparc_std_struct_return.
13239 2006-04-04 Roger Sayle <roger@eyesopen.com>
13241 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13242 convert in the middle-end.
13243 * expr.c (store_expr, store_constructor, get_inner_reference,
13244 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13246 * tree.c (build_range_type): Likewise.
13248 2006-04-04 Tom Tromey <tromey@redhat.com>
13250 * doc/install.texi (Prerequisites): Mention jar.
13252 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13254 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13257 2006-04-04 Matthias Klose <doko@debian.org>
13259 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13263 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13266 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13268 * doc/extend.texi (Function Attributes): Rewrite visibility
13269 attribute documentation.
13270 * doc/invoke.texi (C++ Dialect Options): Rewrite
13271 -fvisibility-inlines-hidden documentation to describe something
13272 entirely different, although in practise compatible.
13273 (Code Gen Options): Warn about system headers in -fvisibility=
13276 * doc/extend.texi (Other Builtins): Document that
13277 __builtin_nan is a compile-time constant only when its argument
13280 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13282 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13283 trying to remove TRUNCATE check if all bits outside the new mode
13284 are identical to the sign bit.
13286 2006-04-03 Jeff Law <law@redhat.com>
13288 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13289 and operand scanning in some common cases.
13291 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13292 Dale Johannesen <dalej@apple.com>
13295 * regclass.c (struct reg_pref): Update documentation.
13296 (regclass): Set prefclass to NO_REGS if memory is the best option.
13297 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13298 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13299 into account. For non-registers, equate an empty preferred
13300 reload class to a `!' in the constraint; move the if clause to
13301 do so after those that reject the insn.
13302 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13304 (find_dummy_reload): Likewise.
13305 * doc/tm.texi (Register Classes): Document what it means
13306 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13307 * config/i386/i386.c (ix86_preferred_reload_class): Force
13308 using SSE registers (and return NO_REGS for floating-point
13309 constants) if math is done with SSE.
13310 (ix86_preferred_output_reload_class): New.
13311 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13312 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13313 * config/i386/i386.md: Remove # register preferences.
13315 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13318 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13319 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13320 the type of nb_iter.
13321 (instantiate_parameters_1): Convert the operands before calling
13322 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13323 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13325 2006-04-02 Roger Sayle <roger@eyesopen.com>
13327 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13328 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13329 instead of convert.
13330 * dojump.c (do_jump): Likewise.
13331 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13332 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13333 gimplify_boolean_expr): Likewise.
13334 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13335 * varasm.c (array_size_for_constructor): Likewise.
13336 * tree-object-size.c (compute_object_offset): Likewise.
13338 2006-04-02 Roger Sayle <roger@eyesopen.com>
13340 PR middle-end/26977
13341 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13342 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13344 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13346 PR tree-optimization/26939
13347 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13349 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13351 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13352 at_stmt. Convert the type of operands before calling
13353 build_polynomial_chrec.
13354 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13355 add_to_evolution_1.
13356 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13357 (instantiate_parameters_1): Convert the type of operands before calling
13358 build_polynomial_chrec.
13359 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13360 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13361 reset_evolution_in_loop): Insert asserts to check the types of the
13363 (chrec_type): Moved...
13364 (eq_evolutions_p): Use operand_equal_p.
13365 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13366 the types of the operands.
13367 (chrec_type): ...here.
13368 * tree-data-ref.c (create_data_ref): Convert the operands before
13369 calling chrec_replace_initial_condition.
13370 (same_access_functions, analyze_subscript_affine_affine,
13371 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13372 (compute_subscript_distance, analyze_ziv_subscript,
13373 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13374 analyze_miv_subscript): Convert the operands before calling
13375 chrec_fold_minus or chrec_fold_plus.
13377 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13379 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13380 the dependence_relations vector.
13381 (compute_data_dependences_for_loop): Adjust call to
13382 compute_all_dependences.
13384 2006-04-01 Roger Sayle <roger@eyesopen.com>
13385 Richard Henderson <rth@redhat.com>
13387 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13388 gimple_boolify on the condition before calling gimplify_expr.
13390 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13392 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13393 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13394 the frame size. Update to use the new macros.
13395 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13396 * config/xtensa/ieee754-df.S: Likewise.
13398 2006-03-31 Richard Henderson <rth@redhat.com>
13400 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13401 (make_edges): ... here. Control fallthru creation with a local
13402 variable. Do not play with fake edges.
13403 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13404 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13407 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13409 * dwarf2.h (DW64_CIE_ID): Define.
13410 * dwarf2out.c (DWARF_CIE_ID): Define.
13411 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13412 length header. Use DWARF_CIE_ID.
13413 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13414 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13416 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13418 * config/sh/linux-atomic.asm: New file.
13419 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13421 2006-03-31 DJ Delorie <dj@redhat.com>
13423 * config/m32c/cond.md: Set condition flags properly throughout.
13424 * config/m32c/minmax.md: Likewise.
13425 * config/m32c/prologue.md: Likewise.
13426 * config/m32c/bitops.md: Likewise.
13427 * config/m32c/muldiv.md: Likewise.
13428 * config/m32c/mov.md: Likewise.
13429 * config/m32c/addsub.md: Likewise.
13430 * config/m32c/m32c.md: Likewise.
13431 * config/m32c/jump.md: Likewise.
13432 * config/m32c/shift.md: Likewise.
13434 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13435 conditionally output the pattern for this.
13436 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13437 (m32c_compare_redundant): New.
13438 (m32c_output_compare): New.
13439 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13441 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13442 dest, not src. Allow other 4-byte modes.
13444 2006-03-30 Denis Chertykov <denisc@overta.ru>
13446 * doc/md.texi: Refer to avr/constraints.md instead of
13449 2006-03-30 Roger Sayle <roger@eyesopen.com>
13451 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13452 signed vs. unsigned comparison failures on some hosts.
13454 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13457 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13458 change to FLOAT_REGS.
13460 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13461 (rs6000_override_options): Use it.
13462 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13463 only for -mabi=spe/no-spe and -mabi=altivec.
13465 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13467 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13470 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13472 * Makefile.in: Rename docdir to gcc_docdir.
13474 2006-03-30 Roger Sayle <roger@eyesopen.com>
13477 * expr.c (emit_group_store): Optimize group stores into a pseudo
13478 register by using a paradoxical subreg to initialize the destination
13479 if the first or last member of the group specifies a "low part".
13481 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13484 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13485 * target.h (struct gcc_target.speculate_insn): Change type of the
13486 second parameter to 'int'.
13487 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13488 the second operand of the DEPS_LIST.
13489 (copy_DEPS_LIST_list): Update reference to the second operand of the
13491 * rtl.h (alloc_DEPS_LIST): Update signature.
13492 * sched-int.h (ds_t): Change typedef to 'int'.
13493 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13495 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13497 * haifa-sched.c (try_ready): Change condition to restore
13498 non-speculative pattern of the instruction.
13499 (process_insn_depend_be_in_spec): Code to keep probability of the
13500 speculative dependence non-decreasing.
13502 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13504 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13505 (single_move_for_movmem): ... this. Also change all uses.
13506 (bfin_expand_strmov): Renamed to...
13507 (bfin_expand_movmem): ... this. Also change all uses.
13508 * config/bfin/bfin.md (movstrsi): Renamed to...
13509 (movstrsi): ...this.
13511 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13513 PR tree-optimization/26830
13515 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13516 (copy_prop_visit_stmt): Remove write-only variable ann.
13517 (init_copy_prop): Check variable loop depth here. Do not simulate
13518 memory-tag and virtual operand PHIs except for store copy prop.
13520 2006-03-30 Richard Guenther <rguenther@suse.de>
13522 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13523 variants with double arguments.
13525 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13527 * genpreds.c (write_tm_constrs_h): Delete variable p.
13528 * genconditions.c (write_header): Add tm-constrs.h to included
13530 * genpeep.c (main): Add toplev.h to included headers.
13531 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13532 (build/genpeep.o): Add toplev.h dependency.
13533 * config/rs6000/constraints.md: Add "W" constraint.
13535 2006-03-29 Roger Sayle <roger@eyesopen.com>
13537 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13538 sizes by correctly testing whether the size fits a host integer.
13539 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13540 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13541 SImode range for the default sizetype and bitsizetype.
13543 2006-03-29 Roger Sayle <roger@eyesopen.com>
13545 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13546 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13547 quickly if the argument is already of the correct type.
13548 Call fold_build1 instead of build1. Tidy up blank lines.
13550 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13552 * genemit.c (main): Add tm-constrs.h to included headers.
13553 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13554 * genpeep.c (main): Add tm-constrs.h to included headers.
13555 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13556 (write_tm_constrs_h): this and write complete file.
13557 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13558 (write_insn_preds_c): Add tm-constrs.h to included headers.
13559 (gen_constrs): New variable.
13560 (parse_option): Parse "-c".
13561 (main): Invoke write_tm_constrs_h.
13562 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13563 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13564 (object_out_file): Add tm-constrs.h dependency.
13565 (insn-emit.o): Same.
13566 (insn-output.o): Same.
13567 (insn-peep.o): Same.
13568 (insn-preds.o): Same.
13569 (insn-recog.o): Same.
13570 (tm-constsr.h): New target.
13571 (s-constrs-h): New target.
13573 * config/rs6000/constraints.md: New file.
13574 * config/rs6000/rs6000.c: Include tm-constrs.h.
13575 (num_insn_constant_wide): Convert to satisfies_constraint.
13576 (rs6000_rtx_costs): Convert to satisfies_constraint.
13577 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13578 (CONST_OK_FOR_LETTER_P): Delete.
13579 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13580 (EXTRA_CONSTRAINT): Delete.
13581 (EXTRA_MEMORY_CONSTRAINT): Delete.
13582 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13583 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13584 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13585 satisfies_constraint.
13587 * config/i386/i386.c: Include tm-constrs.h.
13589 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13591 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13592 * tree-data-ref.c (find_data_references_in_loop,
13593 compute_data_dependences_for_loop): Use pointers to VEC.
13594 (analyze_all_data_dependences): Adjust calls.
13595 * tree-data-ref.h (find_data_references_in_loop,
13596 compute_data_dependences_for_loop): Adjust declarations.
13597 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13598 compute_data_dependences_for_loop.
13600 2006-03-29 Paul Brook <paul@codesourcery.com>
13602 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13603 (movdf_vfp): Ditto.
13605 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13607 PR tree-optimization/26859
13608 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13610 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13611 for the step after fold_convert.
13613 2006-03-29 Paul Brook <paul@codesourcery.com>
13615 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13616 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13618 2006-03-29 Paul Brook <paul@codesourcery.com>
13620 PR middle-end/23623
13621 * targhooks.c (default_narrow_bitfield): New fuction.
13622 * targhooks.h (default_narrow_bitfield): add prototype.
13623 * target.h (gcc_target): Add narrow_volatile_bitfield.
13624 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13625 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13626 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13627 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13629 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13631 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13633 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13634 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13635 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13636 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13637 (s390_function_arg_float): Allow SDmode and DDmode values to be
13638 passed in floating point registers.
13639 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13640 check with SCALAR_FLOAT_MODE_P.
13641 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13643 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13645 PR tree-optimization/25985
13646 * tree-ssa-loop-niter.c (number_of_iterations_le,
13647 number_of_iterations_ne): Make comments more precise.
13648 (number_of_iterations_cond): Add only_exit argument. Use the
13649 fact that signed variables do not overflow only when only_exit
13651 (loop_only_exit_p): New.
13652 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13653 number_of_iterations_cond.
13655 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13657 PR tree-optimization/26643
13658 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13661 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13663 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13664 (divsi3_i4_int): Likewise.
13666 2006-03-28 Roger Sayle <roger@eyesopen.com>
13668 * expr.c (emit_group_store): Only create a new pseudo reg if the
13669 quantity it needs to hold isn't already a suitable pseudo.
13671 2006-03-28 Jeff Law <law@redhat.com>
13673 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13674 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13676 2006-03-28 Roger Sayle <roger@eyesopen.com>
13678 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13679 the equivalent ~X & Y, and the symmetry related transformations.
13680 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13681 ~X & Y, and symmetry related transforms.
13683 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13685 Revert my 2006-03-27 patches.
13687 2006-03-28 Roger Sayle <roger@eyesopen.com>
13689 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13690 ~(T1)X, when T1 and T2 are integer types of the same precision
13691 and (T2)X isn't an extension.
13693 2006-03-28 Jeff Law <law@redhat.com>
13695 PR tree-optimization/26796
13696 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13697 need EH edge cleanups rather than purging them immediately.
13698 (eliminate_degenerate_phis): Handle queued EH cleanups.
13700 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13702 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13705 2006-03-27 Roger Sayle <roger@eyesopen.com>
13707 PR middle-end/22524
13708 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13709 cast BIT_NOT_EXPR operand to the correct type.
13711 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13713 * tree-loop-linear.c: Don't include varray.h.
13714 (gather_interchange_stats, try_interchange_loops,
13715 linear_transform_loops): Use VEC instead of VARRAY.
13716 * lambda-mat.c: Don't include varray.h.
13717 * tree-chrec.c: Same.
13718 * lambda-trans.c: Same.
13719 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13720 VEC instead of VARRAY.
13721 * tree-vectorizer.h: Idem.
13722 * tree-data-ref.c (dump_data_references,
13723 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13724 initialize_data_dependence_relation, finalize_ddr_dependent,
13725 compute_all_dependences, find_data_references_in_loop,
13726 compute_data_dependences_for_loop, analyze_all_data_dependences,
13727 free_dependence_relation, free_dependence_relations,
13728 free_data_refs): Idem.
13729 * tree-data-ref.h (data_reference_p, subscript_p): New.
13730 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13731 VEC instead of VARRAY.
13732 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13733 (find_data_references_in_loop, compute_data_dependences_for_loop,
13734 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13735 dump_data_dependence_relations, free_dependence_relations,
13736 free_data_refs): Adjust declaration.
13737 (lambda_transform_legal_p): Move declaration here...
13738 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13739 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13740 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13741 vect_analyze_data_refs): Use VEC instead of VARRAY.
13742 * lambda.h (lambda_transform_legal_p): ...from here.
13743 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13744 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13745 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13746 tree-chrec.o): Don't depend on VARRAY_H.
13748 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13750 * rtl.def (Copyright): Update date.
13751 (DEPS_LIST): Change type of the second operand to 'int'.
13752 * target.h (Copyright): Update date.
13753 (struct gcc_target.speculate_insn): Change type of the second parameter
13755 * lists.c (Copyright): Update date.
13756 (alloc_DEPS_LIST): Change signature. Update reference to the second
13757 operand of the DEPS_LIST.
13758 (copy_DEPS_LIST_list): Update reference to the second operand of the
13760 * rtl.h (Copyright): Update date.
13761 (alloc_DEPS_LIST): Update signature.
13762 * sched-int.h (Copyright): Update date.
13763 (ds_t): Change typedef to 'int'.
13764 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13766 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13768 * haifa-sched.c (Copyright): Update date.
13769 (try_ready): Change condition to restore non-speculative pattern
13770 of the instruction.
13771 (process_insn_depend_be_in_spec): Code to keep probability of the
13772 speculative dependence non-decreasing.
13774 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13776 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13777 shut up the compiler.
13779 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13781 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13782 to use lib prefix for target.
13783 ($(T)libic_invalidate_array_4-200.a): Likewise.
13784 ($(T)libic_invalidate_array_4a.a): Likewise.
13786 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13787 J"orn Rennecke <joern.rennecke@st.com>
13789 * superh.opt: New file.
13790 * sh.c (boardtype, osruntime): Remove.
13791 * superh.h (SUBTARGET_OPTIONS): Remove.
13792 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13794 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13795 arguments with ^ and/or [].
13797 * config.gcc (sh-*-*): Add quoting to account for quirk of
13799 Replace == with = in enable_incomplete_targets test.
13801 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13802 with MASK_LITTLE_ENDIAN.
13804 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13805 * config/sh/sh.opt: Added to some comments.
13806 * config/sh/superh.h: Removed some chaff.
13808 * config/sh/sh.opt: Add m4-[1234]00* options.
13809 * config/sh/sh.c (sh_handle_option): Likewise.
13810 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13811 (ic_invalidate_array_4-100.o): New rule.
13812 ($(T)libic_invalidate_array_4-100.a): Likewise.
13813 (ic_invalidate_array_4-200.o): Likewise.
13814 ($(T)libic_invalidate_array_4-200.a): Likewise.
13815 (ic_invalidate_array_4a.o): Likewise.
13816 ($(T)libic_invalidate_array_4a.a): Likewise.
13817 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13818 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13820 * config/sh/crt1.asm: Merged in profiling code.
13821 * config/sh/superh.h (STARTFILE_SPEC): Override.
13822 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13823 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13824 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13826 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13827 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13828 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13830 * sh.opt (mpretend-cmove): New option.
13831 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13832 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13833 (movsicc): Add TARGET_PRETEND_CMOVE code.
13835 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13837 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13838 s390_class_max_nregs): New function prototypes.
13839 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13840 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13841 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13842 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13844 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13846 * dwarf2out.c (add_location_or_const_value_attribute): Call
13847 tree_add_const_value_attribute if nothing else works.
13848 (reference_to_unused): New.
13849 (rtl_for_decl_init): Use reference_to_unused to decide whether
13850 to output an initializer.
13852 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13855 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13856 peephole removing spe frob_di_df_2.
13858 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13860 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13861 (subscript_dependence_tester_1): Declared.
13862 (print_dir_vectors, print_dist_vectors): New.
13863 (debug_data_dependence_relation): New.
13864 (dump_data_dependence_relation): Print more details.
13865 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13866 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13867 (save_dist_v, save_dir_v, add_outer_distances,
13868 build_classic_dist_vector_1): New.
13869 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13870 Don't test for lambda_vector_lexico_pos.
13871 (same_access_functions, add_multivariate_self_dist,
13872 add_other_self_distances, dir_from_dist): New.
13873 (build_classic_dir_vector): Replace implementation almost identical to
13874 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13876 (subscript_dependence_tester_1): New.
13877 (subscript_dependence_tester): Handle the lexicographically negative
13878 distance vectors by recomputing the dependence relation.
13879 (compute_affine_dependence): Remove parameter loop_nest_depth.
13880 (compute_self_dependence): Don't call compute_subscript_distance.
13881 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13882 Add a parameter for the loop_nest.
13883 (find_loop_nest_1, find_loop_nest): New.
13884 (compute_data_dependences_for_loop): Compute the loop nest, and give
13885 up if the nest is not well formed.
13886 * tree-data-ref.h (loop_p): New.
13887 (struct data_dependence_relation): Replace size_vect field with
13888 loop_nest, a vec of loops.
13889 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13890 (DDR_LOOP_NEST): New.
13891 (print_dir_vectors, print_dist_vectors,
13892 debug_data_dependence_relation): Declared.
13893 (index_in_loop_nest): New.
13894 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13895 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13898 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13900 * simplify-rtx.c (simplify_relational_operation): Call
13901 simplify_relational_operation_1 even if mode is VOIDmode.
13903 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13905 PR tree-optimization/26804
13906 * tree.h (DECL_CALL_CLOBBERED): New macro.
13907 (tree_decl_common): Add call_clobbered_flag.
13908 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13909 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13910 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13911 (mark_non_addressable): Ditto.
13912 * tree-ssa.c (verify_call_clobbered): New function.
13913 (verify_alias_info): Use it.
13914 * tree-pass.h (pass_reset_cc_flags): New prototype.
13915 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13916 (reset_cc_flags): New function.
13917 * passes.c (init_optimization_passes): Call reset_cc_flags after
13918 initializing referenced_vars.
13920 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13921 Roger Sayle <roger@eyesopen.com>
13923 PR middle-end/26717
13924 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13925 to 1.0 for non-real operands. Implement A / A optimization for
13928 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13930 * config/i386/i386.c (size_cost): Correct the comment for
13931 cost of storing fp registers.
13932 (i386_cost): Likewise.
13933 (i486_cost): Likewise.
13934 (pentium_cost): Likewise.
13935 (pentiumpro_cost): Likewise.
13936 (k6_cost): Likewise.
13937 (athlon_cost): Likewise.
13938 (k8_cost): Likewise.
13939 (pentium4_cost): Likewise.
13940 (nocona_cost): Likewise.
13941 (generic64_cost): Likewise.
13942 (generic32_cost): Likewise.
13944 2006-03-24 Denis Chertykov <denisc@overta.ru>
13946 * config/avr/avr-protos.h (extra_constraint): Delete.
13947 (extra_constraint_Q): New declaration.
13948 * config/avr/constraints.md: New file.
13949 * config/avr/avr.md: Include it.
13950 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13951 (TMP_REGNO, ZERO_REGNO): Likewise.
13952 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13953 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13954 (extra_constraint): Delete.
13955 (extra_constraint_Q): Test for memory constraint 'Q'.
13956 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13957 (REG_CLASS_FROM_LETTER): Delete.
13958 (CONST_OK_FOR_LETTER_P): Delete.
13959 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13960 (EXTRA_CONSTRAINT): Delete.
13961 (TMP_REGNO): Delete.
13962 (ZERO_REGNO): Delete.
13964 2006-03-24 Jeff Law <law@redhat.com>
13966 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13967 directly. Call mark_new_vars_to_rename slightly earlier.
13969 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13971 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13972 (is_cxx): Likewise.
13973 (gen_compile_unit_die): Use new language types for Objective-C and
13975 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13976 DW_LANG_C_plus_plus.
13979 * config/t-darwin (crt3.o): Work around bug 26840.
13980 * config/darwin-crt3.c: Rewrite.
13981 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13983 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13985 * doc/invoke.texi: Document -femit-class-debug-always
13986 * common.opt: Add -femit-class-debug-always.
13988 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13990 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13991 index and base register.
13992 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13993 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13994 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13995 REGNO_OK_FOR_INDEX_P.
13996 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13998 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13999 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14000 REG_OK_FOR_BASE_P): Definitions removed.
14002 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14004 PR middle-end/26611
14005 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14006 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14007 set yet or weren't marked as local yet.
14009 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14011 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14014 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14016 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14017 (rs6000_legitimate_small_data_p): Delete.
14018 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14019 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14020 and make static. Add forward declaration. Update uses.
14021 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14022 of offsettable_memref_p.
14023 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14024 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14026 2006-03-24 Jeff Law <law@redhat.com>
14028 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14029 around bug in immediate-use iterator.
14031 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14034 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14035 or __LITTLE_ENDIAN__.
14037 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14039 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14040 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14041 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14042 * config/sh/sh.opt (mdiv=): Amend description.
14043 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14044 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14045 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14046 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14047 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14048 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14049 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14050 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14051 TARGET_DIVIDE_CALL_FP.
14053 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14055 * haifa-sched.c (choose_ready): Fix type of the local variable.
14056 Move local variables. Add comment.
14057 (check_reg_live): Change signature. Make callable from debugger.
14058 * sched-int.h (check_reg_live): Update signature.
14059 * sched-ebb.c (check_reg_live): Update parameters.
14060 * sched-rgn.c (check_reg_live): Ditto.
14061 (region_head_or_leaf_p): Check pointer before dereferencing.
14062 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14063 before reload on optimization levels below 1.
14065 2006-03-23 Richard Henderson <rth@redhat.com>
14067 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14071 * config/alpha/predicates.md (local_symbolic_operand): Reject
14074 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14077 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14078 expressions which have overflowed constants.
14080 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14082 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14084 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14086 * cfgloopmanip.c (create_loop_notes): Removed.
14087 * final.c (final_scan_insn): Do not handle loop notes.
14088 * jump.c (squeeze_notes): Ditto.
14089 * cfglayout.c (skip_insns_after_block,
14090 duplicate_insn_chain): Ditto.
14091 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14093 * cfgloop.h (create_loop_notes): Declaration removed.
14095 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14097 * varasm.c (output_constant_pool): Restore fnname and fndecl
14099 (assemble_start_function): Adjust call accordingly.
14100 (assemble_end_function): Likewise.
14102 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14105 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14108 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14110 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14113 * system.h (ICE_EXIT_CODE): New macro.
14114 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14115 (diagnostic_action_after_output): Likewise.
14116 * gcc.c (fatal_ice): New function.
14117 (execute): Use it instead of fatal.
14118 (fancy_abort): Likewise.
14119 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14121 2006-03-22 Jeff Law <law@redhat.com>
14123 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14124 iv_analyze_result returning false.
14126 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14128 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14130 2006-03-22 Richard Henderson <rth@redhat.com>
14132 PR middle-end/26084
14133 * except.c (duplicate_eh_regions_0): New.
14134 (duplicate_eh_region_1): Duplicate the children of the node as
14135 well as the node itself. Link them up properly.
14136 (duplicate_eh_region_2): Merge into ...
14137 (duplicate_eh_regions): ... here. Take copy_region argument, and
14138 copy only a sub-tree if asked. Simplify copying and fixup.
14139 (eh_region_outer_p): New.
14140 * except.h (duplicate_eh_regions): Update decl.
14141 (eh_region_outer_p): Declare.
14142 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14143 (lower_omp_master): Likewise.
14144 (lower_omp_ordered): Likewise.
14145 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14146 (move_stmt_r): Use it to remap labels. Handle recursion vs
14147 remap_decls_p properly.
14148 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14149 (find_outermost_region_in_block): New.
14150 (new_label_mapper): New.
14151 (move_sese_region_to_fn): Copy eh information to the new function
14153 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14155 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14158 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14160 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14161 into shared libraries.
14163 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14165 * doc/md.texi: Refer to i386/constraints.md instead of
14166 i386/predicates.md.
14167 * config/i386/constraints.md: New file, extracted from...
14168 * config/i386/predicates.md: ...here.
14169 * config/i386/i386.md: Include constraints.md.
14171 2006-03-21 Jason Merrill <jason@redhat.com>
14173 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14175 PR middle-end/20297
14176 * expr.c (init_block_move_fn): Force default visibility.
14177 (init_block_clear_fn): Likewise.
14178 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14179 * targhooks.c (default_external_stack_protect_fail): Likewise.
14181 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14183 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14184 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14185 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14186 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14187 (loadgp): Use mips_current_loadgp_style.
14188 (loadgp_noshared): New pattern.
14189 (sibcall_internal): Use MIPS_CALL.
14190 (sibcall_value_internal): Likewise.
14191 (sibcall_value_multiple_internal): Likewise.
14192 (call_internal): Likewise.
14193 (call_value_internal): Likewise.
14194 (call_value_multiple_internal): Likewise.
14195 (call_split): Use MIPS_CALL and add an 'S' constraint.
14196 (call_value_split): Likewise.
14197 (call_value_multiple_split): Likewise.
14198 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14199 (-mshared): New option.
14200 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14201 (mips_current_loadgp_style): Declare.
14202 * config/mips/mips.c (mips_classify_symbol): Avoid using
14203 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14204 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14205 TARGET_ABSOLUTE_ABICALLS.
14206 (override_options): Adjust comments. Improve the warning that is
14207 issued when -mabicalls and -G are used together.
14208 (mips_file_start): Remove comment.
14209 (mips_current_loadgp_style): New function.
14210 (mips_gnu_local_gp): New variable.
14211 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14213 (mips_output_function_prologue): Use mips_current_laodgp_style.
14214 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14215 the cprestore instruction.
14216 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14217 live for TARGET_ABSOLUTE_ABICALLS.
14218 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14219 (ASM_SPEC): Pass down -mshared and -mno-shared.
14220 (MIPS_CALL): New macro.
14221 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14223 * doc/invoke.texi (-mabicalls): Update documentation.
14224 (-mshared): Document.
14226 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14228 * config/ia64/unwind-hpux.c: New file.
14229 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14231 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14234 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14236 2006-03-21 Jeff Law <law@redhat.com>
14238 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14239 type conversions of a VR_VARYING source to a wider type.
14241 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14243 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14244 tm_file on Solaris 10 and later.
14245 (sparc64-*-solaris2*): Likewise.
14246 (sparc-*-solaris2*): Likewise.
14247 * config/sol26.h: Rename to config/sol2-6.h.
14248 * config/sol2-10.h: New file.
14250 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14253 * tree-ssa-pre.c (create_component_ref_by_pieces):
14256 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14259 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14260 return it immediately.
14262 2006-03-21 Michael Matz <matz@suse.de>
14264 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14266 (remove_arc, add_arc): Update num_out_arcs member.
14267 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14269 (cache_presence): New function.
14270 (compare_states_for_equiv): New function.
14271 (state_is_differed): Don't take number of outargs, adjust callers.
14272 Use new invariant for speeding up.
14273 (init_equiv_class): Create initial classes based on sorted
14275 (partition_equiv_class): Don't track out_arcs_num.
14276 (evaluate_equiv_classes): Call cache_presence on all states and
14279 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14281 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14282 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14283 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14284 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14286 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14287 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14288 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14289 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14290 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14292 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14293 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14294 (REGNO_REG_CLASS): ARGP is in PREGS.
14295 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14297 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14298 to deal with those addresses.
14299 * addresses.h: New file.
14300 * caller-save.c: Include "addresses.h".
14301 (init_caller_save): Use new base_reg_class function.
14302 * rtl-factoring.c: Include "addresses.h".
14303 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14304 * recog.c: Include "addresses.h".
14305 (preprocess_constraints): Use new base_reg_class function.
14306 * regrename.c: Include "addresses.h".
14307 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14308 functions. Keep track of a new var INDEX_CODE to compute valid
14310 (replace_oldest_value_addr): Likewise.
14311 (replace_oldest_value_mem): Use base_reg_class.
14312 * reload.c: Include "addresses.h".
14313 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14314 (find_reloads): Use new base_reg_class function.
14315 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14316 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14317 all callers and prototype changed.
14318 * reload1.c: Include "addresses.h".
14319 (maybe_fix_stack_asms): Use base_reg_class.
14320 * regclass.c: Include "addresses.h".
14321 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14322 (init_reg_autoinc): Use new base_reg_class function.
14323 (record_reg_classes): Likewise.
14324 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14325 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14326 Use new args to compute necessary class.
14328 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14329 regrename.o, rtl-factoring.o): Update dependencies.
14330 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14331 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14332 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14333 REG_OK_FOR_INDEX_P): Delete documentation.
14335 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14337 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14338 from V7 to V9 for Solaris 7 and above.
14340 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14342 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14343 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14344 argument pointers may not alias any other storage.
14345 * common.opt: Define option -fargument-noalias-anything.
14346 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14347 alias semantics is specified by flag_argument_noalias > 2.
14349 2006-03-20 Jeff Law <law@redhat.com>
14351 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14352 (pass_phi_only_cprop): Declare.
14353 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14354 with phi_only_cprop
14355 * tree-ssa-dom.c (degenerate_phi_result): New function.
14356 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14357 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14358 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14359 (eliminate_degenerate_phis): Likewise.
14360 (pass_phi_only_cprop): New pass descriptor.
14361 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14362 support code. Callers updated.
14363 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14364 (store_copy_prop): Likewise.
14365 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14367 2006-03-20 Jason Merrill <jason@redhat.com>
14370 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14371 (push_visibility, pop_visibility): Likewise.
14372 * c-pragma.h: Declare them.
14374 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14376 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14378 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14379 parameter and use get_ebb_head_tail.
14380 (sh_md_init_global): Adjust uses of find_regmode_weight.
14382 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14384 * function.h (struct function) <x_tail_recursion_reentry>:
14385 Rename to x_stack_check_probe_note.
14386 (tail_recursion_reentry): Rename to stack_check_probe_note.
14387 * function.c: Replace tail_recursion_reentry with
14388 stack_check_probe_note everywhere.
14389 (expand_function_start): Only emit a note for
14390 stack_check_probe_note with -fstack-protect.
14391 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14393 * emit-rtl.c (remove_unnecessary_notes): Remove.
14394 (pass_remove_unnecessary_notes): Remove.
14395 * rtl.h (remove_unnecessary_notes): Remove prototype.
14396 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14397 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14398 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14400 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14403 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14404 (valid_in_set): Handle ARRAY_REF.
14405 Change "if min_variant or VH" to asserts.
14406 (create_component_ref_by_pieces): Handle ARRAY_REF.
14407 (create_expression_by_pieces): Likewise.
14408 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14410 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14412 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14413 is operand of switch, not str[0].
14415 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14417 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14418 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14420 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14422 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14423 end of insn_extra_address_constraint declaration.
14425 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14427 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14428 (no-sum-in-toc): Same.
14429 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14431 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14432 NO_FP_IN_TOC for -fPIC instead of mask.
14434 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14435 (BOOT_LDFLAGS): Delete.
14437 * config/rs6000/t-aix52: Same.
14439 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14440 (stmsi[345678]_power): New.
14442 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14444 * config/ia64/ia64.opt: Add empty line to end of file.
14446 2006-03-17 Richard Guenther <rguenther@suse.de>
14448 PR middle-end/26721
14449 * builtins.c (get_pointer_alignment): For component style references
14450 adjust alignment to the component type alignment. Make sure
14451 to adjust alignment for component access of constants.
14453 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14455 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14456 unconditional jump.
14458 2006-03-17 Paul Brook <paul@codesourcery.com>
14460 * doc/install.texi: Docuemnt --with-mode.
14461 * config.gcc: Add --with-mode for arm*-*-*.
14462 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14464 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14466 * sh.c (max_labelno_before_reorg): New variable.
14467 (sh_reorg): Initialize it.
14468 (find_barrier): Check max_labelno_before_reorg before using
14469 label_to_alignment. Take length of explicit alignment insns
14470 into account. When seeing a UNSPECV_CONST_END, return it.
14472 * sh.c (fixup_mova): Set mode of affected label to QImode.
14473 (untangle_mova): New function.
14474 (find_barrier): Use it. Check mode of label before decrementing
14476 (sh_reorg): Likewise.
14477 Set mode of all insns back to VOIDmode.
14479 * sh.c (MOVA_LABELREF): New macro.
14480 (mova_p, fixup_mova, sh_reorg): Use it.
14481 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14482 ADDR_DIFF_VEC matches mova.
14484 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14486 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14487 with ATTRIBUTE_UNUSED.
14489 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14491 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14492 pointer, instead of assuming it is possible to derive the
14493 correct args size from a call insn.
14495 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14497 * rtl.h (CONST_INT_P): Define.
14498 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14499 instead of GET_CODE(x) == CONST_INT.
14500 (vax_rtx_costs): Likewise.
14501 (vax_output_int_move): Likewise.
14502 (vax_output_int_add): Likewise.
14503 (legitimate_constant_address_p): Likewise.
14504 (index_term_p): Likewise.
14505 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14506 * config/vax/vax.md (and<mode>3): Likewise.
14507 (ashrsi3): Likewise.
14509 (movstricthi): Likewise.
14510 (movstrictqi): Likewise.
14511 (rotrsi3): Likewise.
14512 (five unnamed insns): Likewise.
14514 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14516 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14517 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14518 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14519 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14520 Pass to ASM_OUTPUT_DWARF_OFFSET.
14521 * dwarf2out.c (debug_frame_section): New.
14522 (output_call_frame_info): Use debug_frame_section. Pass it to
14523 dw2_asm_output_offset.
14524 (output_die): Pass appropriate section to dw2_asm_output_offset.
14525 (output_compilation_unit_header): Likewise.
14526 (output_pubnames): Likewise.
14527 (output_aranges): Likewise.
14528 (enum dw_val_class): Break dw_val_class_lbl_offset into
14529 dw_val_class_lineptr and dw_val_class_macptr.
14530 (add_AT_lbl_offset): Delete.
14531 (add_AT_lineptr): New.
14532 (add_AT_macptr): New.
14533 (AT_lbl): Expect a lineptr or macptr.
14534 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14535 (attr_checksum): Likewise.
14536 (same_dw_val_p): Likewise.
14537 (size_of_die): Likewise.
14538 (value_format): Likewise.
14539 (output_die): Likewise.
14540 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14542 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14543 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14544 * config/darwin-protos.h (darwin_file_start): New.
14545 (darwin_asm_output_dwarf_offset): New.
14546 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14547 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14549 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14550 if not EH section; simplify.
14551 (darwin_file_start): New.
14552 (darwin_asm_output_dwarf_offset): New.
14553 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14555 (DEBUG_INFO_SECTION): Likewise.
14556 (DEBUG_ABBREV_SECTION): Likewise.
14557 (DEBUG_ARANGES_SECTION): Likewise.
14558 (DEBUG_MACINFO_SECTION): Likewise.
14559 (DEBUG_LINE_SECTION): Likewise.
14560 (DEBUG_LOC_SECTION): Likewise.
14561 (DEBUG_PUBNAMES_SECTION): Likewise.
14562 (DEBUG_STR_SECTION): Likewise.
14563 (DEBUG_RANGES_SECTION): Likewise.
14564 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14565 (ASM_OUTPUT_DWARF_OFFSET): New.
14567 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14569 * config.gcc (tm_defines): Always add to previous value rather
14572 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14574 * config/mips/predicates.md (splittable_const_int_operand): New,
14575 split from move_operand.
14576 (splittable_symbolic_operand): New.
14577 (move_operand): Add commentary. Use splittable_const_int_operand.
14578 Inline mips_atomic_symbolic_constant_p.
14579 * config/mips/mips.md: Add combine splitters for handling moves
14580 of splittable_const_int_operands and splittable_symbolic_operands.
14581 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14582 (mips_split_symbol): Declare.
14583 (mips_move_integer): Declare.
14584 * config/mips/mips.c (mips_split_p): Make global.
14585 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14586 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14587 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14588 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14589 (mips_offset_within_object_p): Handle block symbols.
14590 (mips_atomic_symbolic_constant_p): Delete.
14591 (mips_cannot_force_const_mem): Return false for constants that
14592 mips_legitimize_move can handle.
14593 (mips_use_blocks_for_constant_p): New function.
14594 (mips_split_symbol): Make global.
14595 (mips_move_integer): Likewise. Add a temporary register argument.
14596 (mips_legitimize_const_move): Use splittable_const_int_operand and
14597 splittable_symbolic_operand.
14598 (mips_use_anchors_for_symbol_p): New function.
14599 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14600 (mips_split_p): Declare.
14602 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14604 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14605 (mips*-*-linux*): Likewise.
14607 2006-03-16 Roger Sayle <roger@eyesopen.com>
14608 Daniel Speyer <dspeyer@wam.umd.edu>
14610 PR middle-end/18259
14611 * tree-dump.c (dump_real): New function.
14612 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14613 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14614 (tree-dump.o): Add $(REAL_H) to the dependencies.
14616 2006-03-16 Roger Sayle <roger@eyesopen.com>
14618 PR middle-end/21781
14619 * real.c (real_from_string): If the mantissa is zero, don't bother
14620 parsing the exponent as the result should always be zero.
14622 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14624 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14626 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14628 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14629 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14630 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14631 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14632 ia64_sched_finish_global): New static functions to implement
14633 hooks from gcc_target.sched.
14634 (spec_check_no, max_uid, pending_data_specs): New static variables.
14635 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14636 ia64_spec_check_src_p): New static functions.
14637 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14638 (TARGET_SCHED_ADJUST_COST): Removed.
14639 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14640 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14641 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14642 TARGET_SCHED_GEN_CHECK,
14643 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14644 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14645 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14646 Fixed to handle speculation checks.
14647 (rtx_needs_barrier): Fixed to handle speculative loads and
14649 (ia64_variable_issue): Added code to count speculative loads and their
14651 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14653 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14655 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14657 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14658 (ia64_reorg): Reset stops_p to NULL after it is freed.
14659 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14660 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14661 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14663 (data_speculative, control_speculative, check_load): New attributes.
14664 (mov<mode>_advanced, mov<mode>_speculative,
14665 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14666 zero_extend<mode>di2_speculative,
14667 zero_extend<mode>di2_speculative_advanced): New patterns for
14668 data and control speculative loads.
14669 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14671 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14672 New pattern for data and control speculation checks.
14673 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14674 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14675 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14676 Auxiliary definitions for the patterns.
14677 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14678 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14680 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14682 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14683 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14684 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14685 New resource constraints.
14686 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14688 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14689 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14690 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14691 msched-in-control-spec, msched-ldc, msched-control-ldc,
14692 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14693 msched-prefer-non-control-spec-insns,
14694 msched-count-spec-in-critical-path): New flags to tune speculative
14696 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14697 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14698 msched-in-control-spec, msched-ldc, msched-control-ldc,
14699 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14700 msched-prefer-non-control-spec-insns,
14701 msched-count-spec-in-critical-path): Document new flags.
14703 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14705 * target.h (struct spec_info_def): New opaque declaration.
14706 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14707 speculate_insn, needs_block_p, gen_check,
14708 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14709 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14710 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14711 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14712 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14713 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14715 (TARGET_SCHED): Use new macros.
14716 * rtl.h (copy_DEPS_LIST_list): New prototype.
14717 * sched-int.h (struct sched_info): Change signature of new_ready field,
14718 adjust all initializations. New fields: add_remove_insn,
14719 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14720 region_head_or_leaf_p.
14721 (struct spec_info_def): New structure declaration.
14722 (spec_info_t): New typedef.
14723 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14724 recovery_block, orig_pat.
14725 (glat_start, glat_end): New variables declaraions.
14726 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14728 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14729 DETACH_LIFE_INFO, USE_GLAT.
14730 (enum SPEC_SCHED_FLAGS): New enumeration.
14731 (NOTE_NOTE_BB_P): New macro.
14732 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14733 attach_life_info, debug_spec_status, check_reg_live): New functions.
14734 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14735 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14737 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14738 * ddg.c (get_block_head_tail): Adjust all uses.
14739 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14740 (sms_sched_info): Initialize new fields.
14741 (contributes_to_priority): Removed.
14742 * haifa-sched.c (params.h): New include.
14743 (get_block_head_tail): Adjust all uses.
14744 (ISSUE_POINTS): New macro.
14745 (glat_start, glat_end): New global variables.
14746 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14747 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14748 old_last_basic_block, before_recovery, current_sched_info_var,
14749 rgn_n_insns, luid): New static variables.
14750 (insn_cost1): New function. Move logic from insn_cost to here.
14751 (find_insn_reg_weight1): New function. Move logic from
14752 find_insn_reg_weight to here.
14753 (reemit_notes, move_insn, max_issue): Change signature.
14754 (move_insn1): Removed.
14755 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14756 extend_bb): New static functions to support extension of scheduler's
14758 (generate_recovery_code, process_insn_depend_be_in_spec,
14759 begin_speculative_block, add_to_speculative_block,
14760 init_before_recovery, create_recovery_block, create_check_block_twin,
14761 fix_recovery_deps): New static functions to support
14762 generation of recovery code.
14763 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14764 restore_bb_notes, move_block_after_check, move_succs): New static
14765 functions to support ebb scheduling.
14766 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14767 functions to support handling of register live information.
14768 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14769 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14770 add_jump_dependencies): New static functions.
14771 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14772 consistancy checking.
14773 (debug_spec_status): New function to call from debugger.
14774 (priority): Added code to handle speculation checks.
14775 (rank_for_schedule): Added code to distinguish speculative instructions.
14776 (schedule_insn): Added code to handle speculation checks.
14777 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14778 Fixed to handle ebbs.
14779 (move_insn): Added code to handle ebb scheduling.
14780 (max_issue): Added code to use ISSUE_POINTS of instructions.
14781 (choose_ready): Added code to choose between speculative and
14782 non-speculative instructions.
14783 (schedule_block): Added code to handle ebb scheduling and scheduling of
14784 speculative instructions.
14785 (sched_init): Initialize new variables.
14786 (sched_finish): Free new variables. Print statistics.
14787 (try_ready): Added code to handle speculative instructions.
14788 * lists.c (copy_DEPS_LIST_list): New function.
14789 * sched-deps.c (extend_dependency_caches): New function. Move logic
14790 from create_dependency_caches to here.
14791 (get_dep_weak, ds_merge): Make global.
14792 * genattr.c (main): Code to output prototype for
14793 dfa_clear_single_insn_cache.
14794 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14795 (output_dfa_clean_insn_cache_func): Code to output
14796 dfa_clear_single_insn_cache function.
14797 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14799 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14801 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14802 New static variables.
14803 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14804 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14806 (ebb_sched_info): Initialize new fields.
14807 (get_block_head_tail): Adjust all uses.
14808 (compute_jump_reg_dependencies): Fixed to use glat_start.
14809 (schedule_ebb): Code to remove unreachable last block.
14810 (schedule_ebbs): Added code to update register live information.
14811 * sched-rgn.c (region_sched_info): Initialize new fields.
14812 (get_block_head_tail): Adjust all uses.
14813 (last_was_jump): Removed. Adjust users.
14814 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14815 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14816 Implement new hooks.
14817 (check_dead_notes1): New static function.
14818 (struct region): New fields: dont_calc_deps, has_real_ebb.
14819 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14820 (BB_TO_BLOCK): Fixed to handle EBBs.
14821 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14822 (ebb_head): New static variable.
14823 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14824 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14826 (compute_dom_prob_ps): New assertion.
14827 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14828 global_live_at_start.
14829 (init_ready_list): New assertions.
14830 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14831 (new_ready): Add support for BEGIN_CONTROL speculation.
14832 (schedule_insns): Fixed code that updates register live information
14834 (schedule_region): Fixed to handle EBBs.
14835 (init_regions): Use extend_regions and check_dead_notes1.
14836 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14837 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14838 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14839 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14840 TARGET_SCHED_GEN_CHECK,
14841 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14842 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14843 * doc/invoke.texi (max-sched-insn-conflict-delay,
14844 sched-spec-prob-cutoff): Document.
14846 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14848 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14849 inter_tick, queue_index.
14850 (struct sched_info): Change signature of init_ready_list field.
14851 Adjust all initializations.
14852 (RESOLVED_DEPS): New access macro.
14853 (ready_add): Remove prototype.
14854 (try_ready): Add prototype.
14855 * sched-rgn.c (init_ready_list): Use try_ready.
14856 (schedule_region): Initialize
14857 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14858 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14859 (init_ready_list): Use try_ready.
14860 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14861 * lists.c (remove_list_elem): Remove `static'.
14862 (remove_free_INSN_LIST_elem): New function.
14863 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14864 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14865 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14867 (readyp): New variable.
14868 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14869 change_queue_index, resolve_dep): New static functions.
14870 (try_ready): New function. Adjust callers in sched-rgn.c and
14871 sched-ebb.c to use it instead of ready_add.
14872 (clock_var): Move at the begining of file.
14873 (rank_for_schedule): Fix typo.
14874 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14875 (ready_lastpos): Enforce assertion.
14876 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14877 update all callers.
14878 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14879 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14880 (queue_to_ready): Use free_INSN_LIST_list.
14881 (early_queue_to_ready): Fix typo.
14882 (schedule_block): Init readyp. Move init_ready_list call after the
14883 initialization of clock_var. Fix error in rejecting insn by
14884 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14885 that previously corrected INSN_TICKs. Add code for handling
14887 (set_priorities): Fix typo.
14888 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14889 Clarify comment and code that keeps current_sched_info->next_tail
14892 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14894 * sched-rgn.c (extend_rgns): New static function.
14895 (find_rgns): Use it.
14896 (gather_region_statistics, print_region_statistics): New static
14898 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14899 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14901 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14902 Andrey Belevantsev <abel@ispras.ru>
14904 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14905 * lists.c (unused_deps_list): New variable.
14906 (free_list): Add assertions to verify the proper distinguishing
14907 between INSN_LISTs and DEPS_LISTs.
14908 (find_list_elem, remove_list_elem, remove_list_node): New static
14910 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14911 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14912 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14913 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14915 (free_INSN_LIST_node): Likewise.
14916 * modulo-sched.c (current_sched_info): Initialize flags field.
14917 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14918 * rtl.def (DEPS_LIST): Define.
14919 * rtl.h: Declare new functions from lists.c.
14920 * sched-deps.c (spec_dependency_cache): New static variable.
14921 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14922 (add_dependence): Change return type to void. Move the logic to ...
14923 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14924 (delete_all_dependences): Add comment about forward_dependency_cache.
14925 Handle spec_dependency_cache. Handle DEPS_LISTs.
14926 (fixup_sched_groups): Clarify the change of priority of output
14927 and anti dependencies.
14928 (sched_analyze_2): Adjust add_dependence calls to create data
14929 speculative dependence.
14930 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14931 Adjust all callers. Handle DEPS_LISTS.
14932 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14933 presence of speculation.
14934 (init_dependency_caches, free_dependency_caches):
14935 Handle spec_dependency_cache.
14936 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14937 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14938 New static functions.
14939 (add_or_update_back_dep, add_or_update_back_forw_dep,
14940 add_back_forw_dep, delete_back_forw_dep): New functions.
14941 * sched-int.h (ds_t, dw_t): New typedefs.
14942 (struct sched_info): Add new field flags.
14943 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14944 Prototype new sched-deps.c functions.
14945 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14946 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14947 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14948 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14949 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14950 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14952 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14954 * sched-rgn.c (current_sched_info): Initialize flags field.
14955 (schedule_insns): Initialize current_sched_info before the sched_init
14957 * sched-ebb.c (current_sched_info): Initialize flags field.
14958 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14959 Call add_or_update_back_dep instead of add_dependence.
14960 Create control speculative dependencies.
14961 (schedule_insns): Initialize current_sched_info before the sched_init
14964 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14966 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14968 (sh_fallback_frame_state): Likewise.
14970 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14972 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14973 Do switch on default_use_cxa_atexit.
14974 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14975 * config/darwin-crt3.o: New.
14976 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14977 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14978 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14980 * config/rs6000/t-darwin: Move crt2.o building to here.
14981 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14982 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14985 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14987 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14988 from '! xxx' to '!xxx' for coding-style conformance.
14989 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14990 (EXTRA_CONSTRAINT): Likewise.
14991 * config/vax/vax.md (four unnamed insns): Likewise.
14993 2006-03-15 Paul Brook <paul@codesourcery.com>
14995 * config/arm/arm.c (minipool_pad): New.
14996 (add_minipool_forward_ref): Include pool alignment padding in address
14998 (push_minipool_fix): Set minipool_pad.
14999 (minipool_pad): Ditto.
15001 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15003 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15004 instead of GET_CODE() == MEM and REG_P() instead of
15006 (print_operand_address): Likewise.
15007 (vax_address_cost): Likewise.
15008 (vax_rtx_costs): Likewise.
15009 (vax_notice_update_cc): Likewise.
15010 (vax_output_int_add): Likewise.
15011 (INDEX_REGISTER_P): Likewise.
15012 (BASE_REGISTER_P): Likewise.
15013 (nonindexed_address_p): Likewise.
15014 (vax_mode_dependent_address_p): Likewise.
15015 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15016 (PRINT_OPERAND): Likewise.
15017 * config/vax/vax.md (ashlsi3): Likewise.
15018 (ashlsi3): Likewise.
15019 (some more unnamed insns): Likewise.
15021 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15023 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15024 iterator-style macro.
15025 (mark_control_dependent_edges_necessary): Update the use of
15026 EXECUTE_IF_CONTROL_DEPENDENT.
15028 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15030 * config/sh/predicates.md (cache_address_operand): Special.
15031 (ua_address_operand): Likewise.
15033 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15035 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15037 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15039 2006-03-15 Andreas Schwab <schwab@suse.de>
15041 * gensupport.c (identify_predicable_attribute): Don't free p_false
15042 when it is still in use.
15044 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15046 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15047 the default setting here.
15049 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15051 * tree-pass.h (pass_cfg): Remove.
15052 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15053 * passes.c (pass_cfg): Don't run it.
15055 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15057 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15058 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15060 (stack_regs_mentioned): Update the uses of
15061 stack_regs_mentioned_data. Don't access the array beyond its
15063 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15064 Don't include gt-reg-stack.h.
15066 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15067 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15069 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15071 PR middle-end/26684
15072 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15075 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15077 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15079 2006-03-14 Richard Guenther <rguenther@suse.de>
15081 PR tree-optimization/26672
15082 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15085 2006-03-14 Richard Guenther <rguenther@suse.de>
15087 PR tree-optimization/26667
15088 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15089 node for the callees. Always allow inlining if it will shrink
15092 2006-03-14 Richard Guenther <rguenther@suse.de>
15094 PR middle-end/26659
15095 * builtins.c (get_pointer_alignment): Prefer alignment
15096 information from decls over that from types.
15098 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15101 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15103 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15105 * config/rs6000/rs6000.opt (mdlmzb): New option.
15106 (msched-prolog, msched-epilog): Use Var not Mask.
15107 * doc/invoke.texi (-mdlmzb): Document.
15108 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15110 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15111 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15113 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15115 PR rtl-optimization/25739
15116 * bt-load.c (augment_live_range): Free tos pointer.
15118 * gensupport.c (identify_predicable_attribute): Free
15120 * gcov.c (create_file_names): Free name pointer.
15122 2006-03-13 Roger Sayle <roger@eyesopen.com>
15124 PR middle-end/26557
15125 * stmt.c (emit_case_nodes): Handle the case where the index is a
15126 CONST_INT, where the comparison mode is specified by the index type.
15128 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15130 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15133 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15135 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15136 (*branch_fp_inverted): Likewise.
15138 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15140 PR middle-end/25989
15141 * omp-low.c (expand_omp_for_generic): Mark istart0
15142 and iend0 as addressable.
15144 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15146 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15148 2006-03-13 Jeff Law <law@redhat.com>
15150 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15151 virtual operands are interesting.
15152 (vrp_visit_stmt): Corresponding changes.
15154 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15156 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15158 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15159 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15160 * config/bfin/crti.S: Use it instead of __PIC__.
15161 * config/bfin/crtn.S: Likewise.
15163 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15164 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15166 Lose 'G' modifier for call operand.
15167 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15168 recognize 'G' modifier.
15170 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15172 PR middle-end/18859
15173 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15174 * stmt.c (expand_case): Likewise.
15176 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15178 PR rtl-optimization/26254
15179 * loop-invariant.c (seq_insns_valid_p): New function.
15180 (move_invariant_reg): Only emit new code if it is valid.
15182 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15184 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15186 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15187 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15188 (commit_one_edge_insertion): Do not look for loop notes.
15190 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15192 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15193 flag_test_coverage out of loop.
15195 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15197 * final.c (shorten_branches): Remove outdated comment, and turn
15198 the if branch that guards it to continue.
15200 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15202 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15203 * cfgloop.h (struct loop): Remove unused fields.
15205 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15207 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15208 (-dL, -fdump-rtl-loop2): Update the dump file names
15210 * doc/invoke.texi: Update dump file names.
15212 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15214 * predict.c (estimate_probability): Remove.
15215 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15216 * basic-block.h (estimate_probability): Remove prototype.
15217 * passes.c (finish_optimization_passes): Dump branch prediction or
15218 profiling heuristics to the .profile tree dump.
15219 (init_optimization_passes): Unqueue pass_branch_prob.
15221 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15223 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15225 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15226 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15228 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15230 * function.h (frame_offset_overflow): Declare.
15231 * function.c (frame_offset_overflow): New function.
15232 (assign_stack_local_1): Call it to detect that the offset overflows.
15233 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15235 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15237 * config/sh/sh.c: Include alloc-pool.h.
15238 (label_ref_list_pool): New alloc pool.
15239 (label_ref_list_t): New type for lists of labels.
15240 (struct pool_node): Make wend a label_ref_list_t.
15241 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15243 (dump_table): Likewise.
15244 (sh_reorg): Set up the alloc pool before using add_constant and
15245 dump_table, and destroy it when finishing.
15247 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15249 * config/mips/mips.c: Remove redundant comment.
15251 2006-03-10 Jason Merrill <jason@redhat.com>
15254 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15255 the target was declared 'register'.
15257 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15259 * genpreds.c (write_insn_constraint_len): Change definition of
15260 insn_constraint_len to return size_t to match the declaration.
15262 2006-03-10 DJ Delorie <dj@redhat.com>
15264 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15266 (m32c_expand_insv): Fix test for an AND mask.
15268 2006-03-10 Richard Guenther <rguenther@suse.de>
15270 PR middle-end/26565
15271 * builtins.c (get_pointer_alignment): Handle component
15272 references for field alignment.
15274 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15276 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15277 when building with libgloss.
15278 (sh*elf): Implement --without-fp option.
15279 (sh64-superh-linux*): Don't multilib.
15281 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15283 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15285 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15287 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15288 Set it when one of the replacement functions returned true.
15289 Return TODO_cleanup_cfg if cfgchanged is true.
15290 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15292 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15294 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15295 instead of gen_lowpart.
15297 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15299 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15301 (mips_output_order_conditional_branch): Declare.
15302 * config/mips/mips.h (MIPS_BRANCH): New macro.
15303 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15304 for the comparison. Use gen_condjump.
15305 (mips_output_conditional_branch): Rework interface to take the
15306 asm templates for a direct branch and the inverse of a direct branch.
15307 (mips_output_order_conditional_branch): New function.
15308 (mips_builtin_branch_and_move): New function.
15309 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15310 branch condition. Use gen_single_cc as the condition for
15311 __builtin_mips_upper_* or __builtin_mips_lower_*.
15312 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15313 Use VOIDmode for the branch condition.
15314 * config/mips/predicates.md (order_operator): New predicate.
15315 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15316 (branch_fp): Rename to...
15317 (*branch_fp): ...this. Remove mode from comparison operator.
15318 Use new mips_output_conditional_branch interface.
15319 (branch_fp_inverted): Rename to...
15320 (*branch_fp_inverted): ...this and update as for *branch_fp.
15321 (*branch_zero<mode>): Rename to...
15322 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15323 Use mips_output_order_conditional_branch. Only accept ordered
15325 (*branch_zero<mode>_inverted): Rename to...
15326 (*branch_order<mode>_inverted): ...this and update as for
15327 *branch_order<mode>.
15328 (*branch_equality<mode>): Accept zero as the second operand to
15329 the equality operator. Use the new mips_output_conditional_branch
15331 (*branch_equality<mode>_inverted): Likewise.
15332 (condjump): New expander.
15333 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15335 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15336 (bc1any2t, bc1any2f): Likewise.
15337 (single_cc): New expander.
15338 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15340 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15342 * doc/md.texi: Update documentation of MIPS constraints.
15343 * config/mips/constraints.md: New file.
15344 * config/mips/mips.md: Include it.
15345 * config/mips/mips.c (mips_char_to_class): Delete.
15346 (override_options): Don't initialize mips_char_to_class.
15347 * config/mips/mips.h (mips_char_to_class): Delete.
15348 (REG_CLASS_FROM_LETTER): Delete.
15349 (CONST_OK_FOR_LETTER_P): Delete.
15350 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15351 (EXTRA_CONSTRAINT_Y): Delete.
15352 (EXTRA_CONSTRAINT_STR): Delete.
15353 (CONSTRAINT_LEN): Delete.
15354 (EXTRA_MEMORY_CONSTRAINT): Delete.
15356 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15358 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15359 original fn's eh regions.
15361 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15363 * fold-const.c (build_range_check): Make sure to use a valid type to
15364 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15367 (range_predecessor): New static function.
15368 (range_successor): Likewise.
15369 (merge_ranges): Use them to compute predecessors and successors of
15372 2006-03-09 Roger Sayle <roger@eyesopen.com>
15374 PR middle-end/26561
15375 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15376 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15378 2006-03-08 DJ Delorie <dj@redhat.com>
15380 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15381 (addpsi3): Expand to include memory operands. Remove
15382 reload-specific splits.
15383 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15384 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15385 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15386 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15387 (shift1_qi, shift1_hi, insv): New.
15388 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15389 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15390 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15392 * config/m32c/m32c-protos.h: Update as needed.
15393 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15394 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15395 Fail for unrecognized R* constraints.
15396 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15397 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15398 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15400 (m32c_init_libfuncs): New.
15401 (m32c_legitimate_address_p): Add debug wrapper.
15402 (m32c_rtx_costs): New.
15403 (m32c_address_cost): New.
15404 (conversions): Add 'B' prefix.
15405 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15406 operands, or word regnames for QI operands. 'B' prints bit
15408 (m32c_expand_setmemhi): New.
15409 (m32c_expand_movmemhi): New.
15410 (m32c_expand_movstr): New.
15411 (m32c_expand_cmpstr): New.
15412 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15413 (m32c_expand_neg_mulpsi3): Handle non-ints.
15414 (m32c_cmp_flg_0): New.
15415 (m32c_expand_movcc): New.
15416 (m32c_expand_insv): New.
15417 (m32c_scc_pattern): New.
15418 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15419 a0/a1 out of SIregs.
15420 (STORE_FLAG_VALUE): New.
15421 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15424 * config/m32c/mov.md: Make constraints more liberal.
15425 (zero_extendqihi2): Optimize r0/r1 case.
15426 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15427 * config/m32c/predicates.md (m32c_any_operand): New.
15428 (m32c_nonimmediate_operand): New.
15429 (m32c_hl_operand): New.
15430 (m32c_r3_operand): New.
15433 (memsym_operand): New.
15434 (memimmed_operand): New.
15435 (a_qi_operand): New.
15436 (m32c_eqne_operator): New.
15437 (m32c_1bit8_operand): New.
15438 (m32c_1bit16_operand): New.
15439 (m32c_1mask8_operand): New.
15440 (m32c_1mask16_operand): New.
15441 * config/m32c/blkmov.md: New file.
15442 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15444 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15446 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15447 unsigned to fix signed/unsigned comparison issue in
15448 DWARF2_FRAME_REG_OUT.
15449 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15450 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15452 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15453 of ptr into the ENABLE_CHECKING section.
15455 2006-03-08 Jeff Law <law@redhat.com>
15457 * tree-vrp.c (infer_value_range): Only count pointer uses
15458 and dereferences if -fdelete-null-pointer-checks is enabled.
15460 * tree-vrp.c (find_assert_locations): Infer value ranges for
15461 single use pointers, but do not create ASSERT_EXPRs for them.
15462 When a non-null range is inferred for a pointer, backwards
15463 propagate that range to other equivalent pointers through the
15466 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15469 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15470 language hook targets.
15471 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15472 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15473 if language hook targets were missing.
15475 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15477 * tree-ssa-opfinalize.h: Removed.
15478 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15480 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15481 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15482 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15483 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15484 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15485 finalize_ssa_v_must_def_ops): New.
15487 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15489 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15490 block as parameter.
15492 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15494 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15496 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15497 addresses with offsets; reorganize.
15499 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15500 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15501 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15503 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15506 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15508 2006-03-08 Ben Elliston <bje@au.ibm.com>
15510 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15512 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15515 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15518 2006-03-07 Richard Guenther <rguenther@suse.de>
15520 PR tree-optimization/26587
15521 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15523 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15525 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15527 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15529 * hooks.c (hook_bool_mode_rtx_true): New function.
15530 * hooks.h (hook_bool_mode_rtx_true): Declare.
15531 * toplev.c (compile_file): Call output_shared_constant_pool.
15532 * varasm.c (shared_constant_pool): New variable.
15533 (assemble_start_function, assemble_end_function): Remove arguments
15534 from call to output_constant_pool.
15535 (create_constant_pool): New function, split out from...
15536 (init_varasm_status): ...here.
15537 (force_const_mem): Choose between the shared and per-function constant
15538 pools. Set current_function_uses_const_pool when reusing old entries
15539 as well as when creating new ones.
15540 (mark_constant): Ignore data argument.
15541 (mark_constants): Remove pool argument.
15542 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15543 to decide whether the function uses a constant pool.
15544 (output_constant_pool_contents): New function, split out from...
15545 (output_constant_pool): ...here.
15546 (output_shared_constant_pool): New function.
15547 (init_varasm_once): Initialize shared_constant_pool.
15548 * output.h (output_constant_pool): Delete.
15549 (output_shared_constant_pool): Declare.
15550 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15551 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15553 2006-03-06 Nick Clifton <nickc@redhat.com>
15555 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15556 flag_strength_reduce.
15558 2006-03-06 Ben Elliston <bje@au.ibm.com>
15560 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15561 x86_64-*-linux* configurations.
15563 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15564 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15566 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15568 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15570 * basic-block.h: Remove the extern for
15571 rediscover_loops_after_threading.
15573 * cfgloop.c (cancel_loop): Make it static.
15574 * cfgloop.h: Remove the prototype for cancel_loop.
15576 * flow.c (recompute_reg_usage): Make it static.
15577 * rtl.h: Remove the prototype for recompute_reg_usage.
15579 * function.c (use_return_register): Make it static.
15580 * function.h: Remove the prototype.
15582 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15584 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15586 * recog.h: Remove the prototype for
15587 validate_change_maybe_volatile.
15589 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15591 * rtlanal.c (replace_reg): Remove.
15592 * rtl.h: Remove the prototype for replace_reg.
15594 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15596 * regclass.c (reg_scan_update): Remove.
15597 (reg_scan_mark_refs): Remove the last argument.
15598 * rtl.h: Remove the prototype for reg_scan_update.
15600 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15602 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15603 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15604 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15605 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15606 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15607 loop-invariant.c, omp-low.c, opts.c, passes.c,
15608 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15609 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15610 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15611 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15612 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15613 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15615 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15617 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15618 * dwarf2out.h: Remove the prototype for
15619 dwarf2out_add_library_unit_info.
15621 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15623 * tree.c (add_var_to_bind_expr): Remove.
15624 * tree.h: Remove the prototype for add_var_to_bind_expr.
15626 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15628 * regclass.c (n_non_fixed_regs): Remove.
15629 (init_reg_sets_1, globalize_reg): Remove all uses of
15631 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15633 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15635 * rtlanal.c (insns_safe_to_move_p): Remove.
15636 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15638 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15640 * expmed.c (expand_mult_add): Remove.
15641 * expr.h: Remove the prototype for expand_mult_add.
15643 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15645 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15646 and REG_SAVED_VAL_EXP constants.
15647 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15648 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15649 Handle regs stored by value.
15650 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15651 (execute_cfa_program): Handle DW_CFA_val_offset,
15652 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15653 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15654 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15655 (uw_install_context_1): Handle target regs stored by value.
15657 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15659 * tree-sra.c (tree_sra): Return todoflags;
15660 (generate_one_element): Set TODO_update_smt_usage if needed.
15661 (pass_sra): Remove TODO_update_smt_usage.
15662 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15664 (tree_ssa_forward_propagate_single_use_vars): Return
15665 TODO_update_smt_usage if we need to update SMT usage.
15666 (pass_forwprop): Remove TODO_update_smt_usage.
15668 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15670 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15671 (correct_use_link): Remove reference to get_stmt_operands.
15672 (update_stmt_operands): Likewise.
15673 (get_modify_expr_operands): New function factored out of
15674 parse_ssa_operands and get_expr_operands.
15675 Try to create V_MUST_DEFs for LHS by default.
15676 (get_expr_operands) <case MODIFY_EXPR>: Call
15677 get_modify_expr_operands.
15678 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15679 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15680 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15681 get_modify_expr_operands.
15683 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15685 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15686 * tree-flow.h: Remove the prototype for
15687 referenced_var_lookup_if_exists.
15689 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15691 PR rtl-optimization/26345
15693 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15695 2006-03-03 Roger Sayle <roger@eyesopen.com>
15697 PR tree-optimization/26524
15698 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15699 fold_convert to create a constant of the appropriate type.
15701 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15703 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15704 SYMBOL_REF_IN_BLOCK_P.
15705 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15706 of SYMBOL_FLAG_IN_BLOCK.
15707 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15708 instead of SYMBOL_REF_IN_BLOCK_P.
15709 * explow.c (use_anchored_address): Likewise.
15710 * rtl.c (rtx_size): Likewise.
15711 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15712 instead of SYMBOL_FLAG_IN_BLOCK.
15713 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15714 SYMBOL_REF_IN_BLOCK_P.
15715 (assemble_variable): Likewise.
15716 (output_constant_def_contents): Likewise.
15717 (output_constant_pool): Likewise.
15718 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15719 instead of SYMBOL_FLAG_IN_BLOCK.
15720 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15721 SYMBOL_REF_IN_BLOCK_P.
15722 (SYMBOL_REF_BLOCK): Likewise.
15723 (SYMBOL_REF_OFFSET): Likewise.
15724 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15725 SYMBOL_REF_IN_BLOCK_P.
15726 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15727 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15728 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15729 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15731 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15733 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15735 2006-03-02 Roger Sayle <roger@eyesopen.com>
15737 * simplify-rtx.c (simplify_unary_operation): When simplifying
15738 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15739 that we perform the right shift in the appropriate mode, and
15740 then extend or truncate the result to requested mode.
15742 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15744 * gengtype.c (main): Handle double_int type.
15745 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15746 * double-int.c: New file.
15747 * double-int.h: New file.
15748 * system.h: Include doubleint.h.
15749 * Makefile.in (SYSTEM_H): Include double-int.h.
15750 (double-int.o): Add.
15752 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15755 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15758 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15760 * tree-vrp.c (remove_range_assertions): Do not update statements
15763 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15765 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15767 * gcse.c (rest_of_handle_gcse): Ditto.
15768 * except.c (gate_handle_eh): Ditto.
15769 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15770 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15772 2006-03-02 Eric Christopher <echristo@apple.com>
15774 * config/i386/i386.c (machopic_output_stub): Add indirection to
15777 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15781 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15783 Sun Niagara specific optimizations.
15784 * config.gcc: Recognize niagara as target.
15785 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15786 (TARGET_CPU_niagara): Define.
15787 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15788 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15789 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15790 (ASM_CPU_SPEC): Likewise.
15791 (PROCESSOR_NIAGARA): New enum entry.
15792 (REGISTER_MOVE_COST): Handle Niagara.
15793 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15794 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15795 (sparc_override_options): Recognize "niagara", set appropriate
15796 default MASK_* values for it, and align functions to 32-bytes
15797 by default just like ULTRASPARC/ULTRASPARC3.
15798 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15799 (sparc64_initialize_trampoline): Likewise.
15800 (sparc_use_sched_lookahead): Use zero for niagara.
15801 (sparc_issue_rate): Use one for niagara.
15802 * config/sparc/niagara.md: New file.
15803 * config/sparc/sparc.md: Include it.
15804 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15805 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15806 when default cpu is niagara.
15807 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15808 (ASM_CPU_SPEC): Likewise.
15809 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15810 when default cpu is niagara.
15811 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15812 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15813 just like v9/ultrasparc/ultrasparc3.
15814 * doc/invoke.texi: Add documentation for "niagara" and improve
15815 existing documentation for ultrasparc variants.
15817 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15819 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15821 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15823 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15824 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15825 and say that only one is needed.
15826 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15827 * target.h (have_switchable_bss_sections): New hook.
15828 * explow.c (use_anchored_address): Check that the symbol is in a block.
15829 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15830 (bss_noswitch_section): New variables.
15831 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15832 (get_noswitch_section): New function.
15833 (get_block_for_section): Allow SECT to be null.
15834 (unlikely_text_section_p): Use SECTION_STYLE.
15835 (bss_initializer_p): New function.
15836 (get_variable_section): Move earlier in file. Take a new argument,
15837 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15838 Return one of the new *_sections in such cases.
15839 (get_block_for_decl): New function, extracting some logic from
15840 use_blocks_for_decl_p.
15841 (change_symbol_section): Remove in favor of...
15842 (change_symbol_block): ...this new function.
15843 (use_blocks_for_decl_p): Remove checks now performed by
15844 get_block_for_decl.
15845 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15846 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15847 (emit_local, emit_bss, emit_common): ...these new functions.
15848 Return true if the alignment was honored.
15849 (emit_tls_common): New function.
15850 (asm_emit_uninitialised): Delete.
15851 (assemble_variable_noswitch): New function, split out from...
15852 (assemble_variable): ...here. Don't make decisions about common
15853 variables here. Globalize all public decls that go into non-common
15854 sections. Check whether SYMBOL_REF_BLOCK is null.
15855 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15856 (output_constant_pool): Likewise.
15857 (init_varasm_once): Initialize the new section variables.
15858 (have_global_bss_p): New function.
15859 (categorize_decl_for_section): Use bss_initializer_p.
15860 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15861 (place_block_symbol): Assert that the symbol must be in a block.
15862 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15863 (TARGET_INITIALIZER): Include it.
15864 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15865 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15866 (SECTION_MACH_DEP): Bump by two.
15867 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15868 (unnamed_section): Mention SECTION_UNNAMED in comment.
15869 (named_section): Likewise SECTION_NAMED.
15870 (noswitch_section_callback): New type.
15871 (noswitch_section): New structure.
15872 (section): Add a noswitch_section alternative.
15873 (SECTION_STYLE): New macro.
15874 (tls_comm_section, comm_section, lcomm_section): Declare.
15875 (bss_noswitch_section, have_global_bss_p): Declare.
15876 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15877 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15879 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15880 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15883 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15885 * tree-vrp.c (execute_vrp): Return value.
15886 * regrename.c (rest_of_handle_regrename): Ditto.
15887 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15888 * tree-complex.c (tree_lower_complex): Ditto.
15889 (tree_lower_complex_O0): Ditto.
15890 * tracer.c (rest_of_handle_tracer): Ditto.
15891 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15892 * postreload.c (rest_of_handle_postreload): Ditto.
15893 * tree-tailcall.c (execute_tail_recursion): Ditto.
15894 (execute_tail_calls): Ditto.
15895 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15896 * tree.h (init_function_for_compilation): Ditto.
15897 * ipa-cp.c (ipcp_driver): Ditto.
15898 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15899 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15900 * final.c (compute_alignments): Ditto.
15901 (rest_of_handle_final): Ditto.
15902 (rest_of_handle_shorten_branches): Ditto.
15903 (rest_of_clean_state): Ditto.
15904 * omp-low.c (execute_expand_omp): Ditto.
15905 (execute_lower_omp): Ditto.
15906 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15907 * ipa-reference.c (static_execute): Ditto.
15908 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15909 * reorg.c (rest_of_handle_delay_slots): Ditto.
15910 (rest_of_handle_machine_reorg): Ditto.
15911 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15912 * flow.c (recompute_reg_usage): Ditto.
15913 (rest_of_handle_remove_death_notes): Ditto.
15914 (rest_of_handle_life): Ditto.
15915 (rest_of_handle_flow2): Ditto.
15916 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15917 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15918 (do_ssa_store_ccp): Ditto.
15919 (execute_fold_all_builtins): Ditto.
15920 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15921 * modulo-sched.c (rest_of_handle_sms): Ditto.
15922 * ipa-pure-const.c (static_execute): Ditto.
15923 * cse.c (rest_of_handle_cse): Ditto.
15924 (rest_of_handle_cse2): Ditto.
15925 * web.c (rest_of_handle_web): Ditto.
15926 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15927 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15928 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15929 * tree-nrv.c (tree_nrv): Ditto.
15930 (execute_return_slot_opt): Ditto.
15931 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15932 (create_structure_vars): Ditto.
15933 * loop-init.c (rtl_loop_init): Ditto.
15934 (rtl_loop_done): Ditto.
15935 (rtl_move_loop_invariants): Ditto.
15936 (rtl_unswitch): Ditto.
15937 (rtl_unroll_and_peel_loops): Ditto.
15938 (rtl_doloop): Ditto.
15939 * gimple-low.c (lower_function_body): Ditto.
15940 (mark_used_blocks): Ditto.
15941 * tree-ssa-sink.c (execute_sink_code): Ditto.
15942 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15943 (cgraph_early_inlining): Ditto.
15944 * global.c (rest_of_handle_global_alloc): Ditto.
15945 * jump.c (cleanup_barriers): Ditto.
15946 (purge_line_number_notes): Ditto.
15947 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15948 (rest_of_handle_if_after_reload): Ditto.
15949 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15950 (tree_ssa_loop_im): Ditto.
15951 (tree_ssa_loop_unswitch): Ditto.
15952 (tree_vectorize): Ditto.
15953 (tree_linear_transform): Ditto.
15954 (tree_ssa_loop_ivcanon): Ditto.
15955 (tree_ssa_empty_loop): Ditto.
15956 (tree_ssa_loop_bounds): Ditto.
15957 (tree_complete_unroll): Ditto.
15958 (tree_ssa_loop_prefetch): Ditto.
15959 (tree_ssa_loop_ivopts): Ditto.
15960 (tree_ssa_loop_done): Ditto.
15961 * predict.c (tree_estimate_probability): Ditto.
15962 * recog.c (split_all_insns_noflow): Ditto.
15963 (rest_of_handle_peephole2): Ditto.
15964 (rest_of_handle_split_all_insns): Ditto.
15965 * tree-eh.c (lower_eh_constructs): Ditto.
15966 * regmove.c (rest_of_handle_regmove): Ditto.
15967 (rest_of_handle_stack_adjustments): Ditto.
15968 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15969 * function.c (instantiate_virtual_regs): Ditto.
15970 (init_function_for_compilation): Ditto.
15971 (rest_of_handle_check_leaf_regs): Ditto.
15972 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15973 (rest_of_handle_gcse): Ditto.
15974 * ipa-type-escape.c (type_escape_execute): Ditto.
15975 * alias.c (rest_of_handle_cfg): Ditto.
15976 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15977 * profile.c (rest_of_handle_branch_prob): Ditto.
15978 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15979 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15980 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15981 * tree-dfa.c (find_referenced_vars): Ditto.
15982 * except.c (set_nothrow_function_flags): Ditto.
15983 (convert_to_eh_region_ranges): Ditto.
15984 (rest_of_handle_eh): Ditto.
15985 * emit-rtl.c (unshare_all_rtl): Ditto.
15986 (remove_unnecessary_notes): Ditto.
15987 * except.h (set_nothrow_function_flags): Ditto.
15988 (convert_to_eh_region_ranges): Ditto.
15989 * cfgexpand.c (tree_expand_cfg): Ditto.
15990 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15991 * tree-ssa-pre.c (do_pre): Ditto.
15992 (execute_fre): Ditto.
15993 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15994 (rest_of_handle_jump2): Ditto.
15995 * tree-sra.c (tree_sra): Ditto.
15996 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15997 (execute_mudflap_function_decls): Ditto.
15998 * tree-ssa-copy.c (do_copy_prop): Ditto.
15999 (do_store_copy_prop): Ditto.
16000 * ipa-prop.h (ipcp_driver): Ditto.
16001 * cfglayout.c (insn_locators_initialize): Ditto.
16002 * tree-ssa-forwprop.c
16003 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16004 * cfglayout.h (insn_locators_initialize): Ditto.
16005 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16006 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16007 (execute_late_warn_uninitialized): Ditto.
16008 * rtl.h (cleanup_barriers): Ditto.
16009 (split_all_insns_noflow): Ditto.
16010 (purge_line_number_notes): Ditto.
16011 (unshare_all_rtl): Ditto.
16012 (remove_unnecessary_notes): Ditto.
16013 (recompute_reg_usage): Ditto.
16014 (variable_tracking_main): Ditto.
16015 * integrate.c (emit_initial_value_sets): Ditto.
16016 * integrate.h (emit_initial_value_sets): Ditto.
16017 * tree-optimize.c (execute_free_datastructures): Ditto
16018 (execute_free_cfg_annotations): Ditto.
16019 (execute_fixup_cfg): Ditto.
16020 (execute_cleanup_cfg_pre_ipa): Ditto.
16021 (execute_cleanup_cfg_post_optimizing): Ditto.
16022 (execute_init_datastructures): Ditto.
16023 * tree-object-size.c (compute_object_sizes): Ditto.
16024 * combine.c (rest_of_handle_combine): Ditto.
16025 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16026 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16027 (rest_of_handle_reorder_blocks): Ditto.
16028 (rest_of_handle_partition_blocks): Ditto.
16029 * var-tracking.c (variable_tracking_main): Ditto.
16030 * tree-profile.c (tree_profiling): Ditto.
16031 * tree-vect-generic.c (expand_vector_operations): Ditto.
16032 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16033 * sched-rgn.c (rest_of_handle_sched): Ditto.
16034 (rest_of_handle_sched2): Ditto.
16035 * basic-block.h (free_bb_insn): Ditto.
16036 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16037 * tree-cfg.c (execute_build_cfg): Ditto.
16038 (remove_useless_stmts): Ditto.
16039 (split_critical_edges): Ditto.
16040 (execute_warn_function_return): Ditto.
16041 (execute_warn_function_noreturn): Ditto.
16042 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16043 * cfgrtl.c (free_bb_for_insn): Ditto.
16044 * passes.c (execute_one_pass): Run additional
16045 todos returned by execute function.
16046 * tree-pass.h (struct tree_opt_pass): Make execute
16049 2006-03-02 Richard Guenther <rguenther@suse.de>
16051 * tree-ssa-alias.c (find_used_portions): Consider taking
16052 the address as making the variable not write-only.
16054 2006-03-02 Nick Clifton <nickc@redhat.com>
16056 * config.gcc (default_use_cxa_atexit): Extend the description of
16057 this configure variable. Set its default value to "yes" for
16058 Linux, NetBSD and ELF targets on the assumption that they will
16059 use C libraries with the __cxa_atexit function.
16061 2006-03-02 Ben Elliston <bje@au.ibm.com>
16063 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16064 parameter as unused to suppress a build warning.
16066 2006-03-02 Ben Elliston <bje@au.ibm.com>
16068 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16071 2006-03-01 Roger Sayle <roger@eyesopen.com>
16074 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16075 declared name, the weak reference name, and the typeof name.
16076 (__gthrw): Avoid expanding the declared name suffix.
16077 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16079 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16081 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16083 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16084 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16085 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16086 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16087 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16088 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16089 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16090 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16091 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16092 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16093 (DW_END_default, DW_END_big, DW_END_little): New.
16094 (DW_END_lo_user, DW_END_hi_user): Define.
16095 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16096 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16097 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16100 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16102 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16104 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16106 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16108 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16110 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16111 to 'symbol_mem_tag'.
16113 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16116 2006-03-01 Roger Sayle <roger@eyesopen.com>
16118 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16120 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16123 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16124 MACHO_DYNAMIC_NO_PIC_P.
16125 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16127 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16130 * config/darwin-protos.h (darwin_asm_output_anchor):
16132 * config/darwin-sections.def (cstring_section):
16133 Add SECTION_MERGE to the flags.
16134 (literal4_section): Likewise.
16135 (literal8_section): Likewise.
16136 (objc_selector_refs_section): Likewise.
16137 (objc_cls_refs_section): Likewise.
16138 * config/darwin.c (darwin_asm_output_anchor): New
16140 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16142 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16144 Fix PR tree-optimization/26443
16145 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16146 to todo and PROP_tmt_usage to properties_destroyed.
16147 * tree-ssa-ccp.c (pass_ccp): Ditto.
16148 (pass_store_ccp): Ditto.
16149 * tree-ssa-dom.c (pass_dominator): Ditto.
16151 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16153 * tree-ssa-operands.c: Cleanup whitespace.
16154 (get_asm_expr_operands): Move before first invocation.
16155 (get_indirect_ref_operands): Likewise.
16156 (get_tmr_operands): Likewise.
16157 (get_call_expr_operands): Likewise.
16158 (append_def): Likewise.
16159 (append_use): Likewise.
16160 (append_v_may_def): Likewise.
16161 (append_v_must_def): Likewise.
16162 (add_call_clobber_ops): Likewise.
16163 (add_call_read_ops): Likewise.
16164 (add_stmt_operand): Likewise.
16165 (add_virtual_operand): Likewise.
16166 (build_ssa_operands): Likewise.
16168 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16170 PR middle-end/26022
16172 PR middle-end/24437
16173 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16174 with a call expr to ...
16175 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16177 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16179 * tree-vrp.c (extract_range_from_assert): Remove special
16180 handling for types with super-types.
16182 2006-03-01 Ben Elliston <bje@au.ibm.com>
16184 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16185 and powerpc64-*-linux* configurations.
16186 * config/t-dfprules: New file.
16188 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16189 Compile dfp-bit.c from the source directory using -DWIDTH and
16190 $DFP_CFLAGS to control the compilation of that file, rather than
16191 generating width-specific versions in the build directory.
16192 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16193 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16195 2006-02-28 Zack Weinberg <zackw@panix.com>
16197 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16200 2006-02-28 Eric Christopher <echristo@apple.com>
16202 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16203 Set up IN_LIBGCC definition of TARGET_64BIT.
16204 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16206 2006-02-28 Roger Sayle <roger@eyesopen.com>
16208 PR middle-end/14752
16209 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16210 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16211 cases via the construction of "expr != 0".
16213 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16215 * alias.c (alias_invariant, alias_invariant_size): Remove.
16216 (record_base_value): Remove.
16217 (memrefs_conflict_p): Don't look at alias_invariant.
16218 (end_alias_analysis): Don't free it.
16219 * alias.h (record_base_value): Remove prototype.
16221 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16222 Adam Nemet <anemet@caviumnetworks.com>
16224 * rtl.h (truncated_to_mode): Declare it.
16225 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16226 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16227 (RTL_HOOKS_INITIALIZER): Include it.
16228 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16229 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16230 reg_truncated_to_mode.
16231 * rtlanal.c (truncated_to_mode): Define it.
16232 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16234 2006-02-28 Jeff Law <law@redhat.com>
16236 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16237 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16238 the range allowed by TYPE_PRECISION.
16240 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16242 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16244 PR tree-optimization/26419
16245 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16248 2006-02-27 Zack Weinberg <zackw@panix.com>
16250 * doc/md.texi: Fix typo in previous change.
16252 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16256 2006-02-27 Zack Weinberg <zackw@panix.com>
16258 * rtl.def (define_constraint, define_register_constraint)
16259 (define_memory_constraint, define_address_constraint): New MD forms.
16260 * gensupport.c (process_rtx): Put define_constraint etc on the
16262 * genpreds.c (process_define_predicate): Adjust comment. Validate
16263 the name, and call validate_exp to validate the expression.
16264 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16265 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16266 all callers changed.
16267 (validate_exp, needs_variable, struct constraint_data)
16268 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16269 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16270 (const_dbl_constraints, constraint_max_namelen)
16271 (have_register_constraints, have_memory_constraints)
16272 (have_address_constraints, have_address_constraints)
16273 (have_extra_constraints, have_const_int_constraints)
16274 (have_const_dbl_constraints, mangle, add_constraint)
16275 (process_define_constraint, process_define_register_constraint)
16276 (write_enum_constraint_num, write_lookup_constraint)
16277 (write_insn_constraint_len, write_regclass_for_constraint)
16278 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16279 (write_insn_extra_memory_constraint)
16280 (write_insn_extra_address_constraint)
16281 (write_satisfies_constraint_fns): New.
16282 (write_tm_preds_h): If we have new-style constraint definitions,
16283 prototype the functions generated from them, and define the
16284 old constraint interface (still used by generic code) in terms of
16286 (write_insn_preds_c): If we have new-style constraint definitions,
16287 generate all relevant functions from those definitions.
16288 (main): Handle define_constraint etc.
16289 * genoutput.c (struct constraint_data, indep_constraints)
16290 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16291 (mdep_constraint_len): New data structures and functions, defined
16292 #ifdef USE_MD_CONSTRAINTS.
16293 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16294 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16295 use new logic to validate operand constraints against constraint
16297 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16299 * defaults.h: If none of the old-style constraint macros are
16300 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16301 old-style macros; and poison REG_CLASS_FROM_LETTER,
16302 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16304 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16305 * doc/md.texi: Document new constraint-definition mechanism and the
16306 C interface it provides. Remove references to old mechanism
16307 elsewhere in the document.
16308 (Machine Constraints): Use pathnames relative to gcc directory,
16309 i.e. config/ARCH/FILE. Change i386 section to refer to
16310 config/i386/predicates.md; update that section to match docstrings.
16311 * doc/tm.texi: Move all documentation of the old constraint-
16312 definition macros to their own section, clearly mark as obsolete.
16314 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16315 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16317 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16318 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16319 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16320 constraint strings.
16321 (splits and peepholes): Use satisfies_constraint_*.
16322 * config/i386/i386.c (memory_address_length)
16323 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16325 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16327 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16328 scalar operation to be put back into the loop.
16330 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16333 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16334 (extract_cie_info): Handle S flag in augmentation string.
16335 (execute_cfa_program): If context->signal_frame, execute also
16336 fs->pc == context->ra instructions.
16337 (uw_frame_state_for): If context->signal_frame, don't subtract one
16338 from context->ra to find FDE.
16339 (uw_update_context_1): Set context->signal_frame to
16341 (_Unwind_GetIPInfo): New function.
16342 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16343 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16345 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16346 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16347 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16348 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16349 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16350 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16351 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16352 x86_64_fallback_frame_state): Set fs->signal_frame.
16353 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16354 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16355 (frob_update_context): Likewise. Workaround missing S flag in
16356 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16357 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16358 Remove the psw_addr + 1 hack.
16360 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16362 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16363 with aggregates here.
16364 (find_func_aliases): Remove code for &<aggregate> from here.
16366 2006-02-26 Roger Sayle <roger@eyesopen.com>
16368 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16369 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16370 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16371 as (X & C) ne/eq 0.
16373 2006-02-26 Roger Sayle <roger@eyesopen.com>
16375 PR middle-end/19983
16376 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16378 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16380 * opts.c (decode_options): Do not handle flag_strength_reduce.
16381 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16382 and OPT_fstrength_reduce.
16383 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16384 flag_prefetch_loop_arrays for being nonzero.
16385 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16387 (fprefetch-loop-arrays-rtl): Removed.
16388 (flag_prefetch_loop_arrays): Do not specify the value.
16390 * doc/passes.texi: Update documentation of loop optimizer
16392 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16393 -frerun-loop-opt): Remove.
16395 2006-02-26 Richard Guenther <rguenther@suse.de>
16397 PR tree-optimization/26421
16398 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16399 in function calls that are ADDR_EXPRs as using the whole structure.
16401 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16403 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16404 * tree-pass.h (pass_loop_optimize): Remove.
16405 * passes.c (pass_loop_optimize): Never run it.
16406 * toplev.c (backend_init): Don't call init_loop.
16407 * opts.c (flag_loop_optimize_set): Remove.
16408 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16409 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16410 the old RTL loop optimizer when profiling enabled.
16411 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16412 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16413 pre-headers for the sake of the old RTL loop optimizer.
16414 * Makefile.in: Remove all references to loop.o.
16416 * doc/invoke.texi: Remove all references to -floop-optimize
16417 and -frerun-loop-opt.
16419 2006-02-26 Zack Weinberg <zackw@panix.com>
16421 * doc/md.texi (Machine Constraints): Refer to all files with paths
16422 relative to gcc directory (i.e. config/CPU/file). Add missing
16423 @table @code ... @end table to M32C subsection.
16425 2006-02-26 Roger Sayle <roger@eyesopen.com>
16427 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16429 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16431 2006-02-26 Roger Sayle <roger@eyesopen.com>
16432 James A. Morrison <phython@gcc.gnu.org>
16434 PR middle-end/21137
16435 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16436 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16437 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16438 signedness of the shift operation.
16440 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16442 PR tree-optimization/26359
16443 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16445 2006-02-25 Roger Sayle <roger@eyesopen.com>
16447 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16448 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16449 as X == 0, and some symmetry related transformations.
16450 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16452 2006-02-25 Roger Sayle <roger@eyesopen.com>
16454 PR middle-end/23673
16455 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16456 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16457 symmetry related transformations. Fold (X^C1) == C2 as
16460 2006-02-25 Juergen Weigert <jw@suse.de>
16461 Richard Guenther <rguenther@suse.de>
16463 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16465 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16467 * combine.c (gen_lowpart_or_truncate): Call
16468 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16470 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16472 * doc/invoke.texi: Move -fopenmp description to "Options for
16474 Remove reference to -lgomp.
16476 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16478 * doc/install.texi: Require GNU tar version 1.14.
16480 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16482 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16483 * doc/invoke.texi (C++ Dialect Options): Document
16484 -fno-use-cxa-get-exception-ptr.
16485 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16486 * configure: Regenerate.
16487 * c.opt (fuse-cxa-get-exception-ptr): New.
16488 * c-opts.c (c_common_handle_option): Handle
16489 OPT_fuse_cxa_get_exception_ptr.
16490 * c-common.c (flag_use_cxa_atexit): Update documentation.
16491 (flag_use_cxa_get_exception_ptr): New.
16492 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16493 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16495 (C_COMMON_OVERRIDE_OPTIONS): New.
16497 2006-02-24 Roger Sayle <roger@eyesopen.com>
16499 PR middle-end/24952
16500 * combine.c (try_combine): Explicitly check whether GET_CODE is
16501 a SET or a CLOBBER, instead on checking that it isn't a USE.
16503 2006-02-24 Roger Sayle <roger@eyesopen.com>
16505 * fold-const.c (fold_comparison): New subroutine of fold_binary
16506 containing transformations common to both the equality and
16507 ordering relational operators, factored out of fold_binary.
16508 (fold_binary): Separate out the equality operators (EQ_EXPR
16509 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16510 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16511 transformations common to both.
16512 (fold_div_compare): Fix latent bugs in the previously unreachable
16513 LT_EXPR and GE_EXPR cases.
16515 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16517 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16518 decl libname for clog to __clog on AIX.
16520 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16522 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16525 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16526 output traceback table for thunks. Localise rs6000_stack_info call.
16528 2006-02-23 Roger Sayle <roger@eyesopen.com>
16529 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16531 * gthr-posix.h (__gthrw): Fix typo in comment.
16533 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16535 * doc/cpp.texi (Character sets): Document that we do support
16536 input files to be in any character set.
16538 2006-02-23 Jeff Law <law@redhat.com>
16540 * tree.h (PHI_ARG_NONZERO): Remove.
16541 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16542 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16543 node to the new node.
16545 PR tree-optimization/26425
16546 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16547 min/max, then assume its varying.
16549 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16551 PR rtl-optimization/26316
16552 * rtlanal.c (enum may_trap_p_flags): New.
16553 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16554 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16555 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16556 (may_trap_after_code_motion_p): New function.
16557 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16558 (find_invariant_insn): Use may_trap_after_code_motion_p.
16559 * rtl.h (may_trap_after_code_motion_p): Declare.
16561 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16563 * emit-rtl.c (immed_double_const): Cleanup.
16565 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16567 Fix PR tree-optimization/26376
16568 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16571 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16573 PR middle-end/26412
16574 * gimplify.c (omp_add_variable): Guard variable size decl test with
16575 DECL_SIZE (decl) check.
16577 2006-02-23 Richard Guenther <rguenther@suse.de>
16579 PR middle-end/26439
16580 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16581 like aggregate types.
16583 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16585 * configure.ac: Add --with{,out}-long-double-128 configure option.
16586 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16587 * configure: Rebuilt.
16588 * config.in: Rebuilt.
16589 * doc/install.texi (Options specification): Document
16590 --with-long-double-128.
16592 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16593 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16594 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16595 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16597 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16599 * config/s390/s390.c (override_options): Handle
16600 TARGET_DEFAULT_LONG_DOUBLE_128.
16602 * config/alpha/alpha.c (override_options): Handle
16603 TARGET_DEFAULT_LONG_DOUBLE_128.
16605 * config/sparc/sparc.c (sparc_override_options): Handle
16606 TARGET_DEFAULT_LONG_DOUBLE_128.
16608 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16610 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16611 (real-install-headers-tar, real-install-headers-cpio)
16612 (real-install-headers-cp): New targets.
16614 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16616 * tree.h (variable_section): Delete.
16617 * varasm.c (variable_section): Delete.
16619 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16621 * install.texi: Add notes on install.texi2html.
16622 (Building in parallel): Do not use footnotes.
16624 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16627 * doc/install.texi (Configuration): Document --disable-libgomp.
16629 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16631 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16633 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16635 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16636 (vec_extractv2df_0_sse): New.
16638 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16640 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16641 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16642 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16643 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16644 to the result of the expression.
16645 (def_cfa_1): Adjust.
16646 (frame_pointer_cfa_offset): Rename to...
16647 (frame_pointer_fb_offset): ... this. Adjust all uses.
16648 (convert_cfa_to_loc_list): Rename to...
16649 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16650 Pass it on to build_cfa_loc.
16651 (compute_frame_pointer_to_cfa_displacement): Rename to...
16652 (compute_frame_pointer_to_fb_displacement): ... this. New
16653 offset parameter. Use it in computation.
16654 (gen_subprogram_die): Compute cfa_fb_offset with the new
16655 macro, and use it to compute the fb loc list and the
16658 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16660 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16661 replaced with register_operand.
16662 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16663 non-DREG is expensive.
16664 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16665 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16668 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16670 * doc/install.texi2html: Use set -e.
16672 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16674 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16675 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16676 * doc/invoke.texi (-fshared-data): Delete.
16677 * common.opt (fshared-data): Delete.
16678 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16679 (assemble_static_space): Remove #if 0 code.
16680 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16681 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16682 * config/cris/cris.h: Remove FIXME.
16684 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16686 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16689 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16691 PR middle-end/26379
16692 * combine.c (simplify_shift_const_1): Disable nested shifts
16693 optimization for vector shifts.
16695 2006-02-20 Roger Sayle <roger@eyesopen.com>
16697 PR tree-optimization/26361
16698 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16699 of unsigned integer types.
16701 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16703 * tree-chrec.c (eq_evolutions_p): New.
16704 * tree-chrec.h (eq_evolutions_p): Declared.
16705 * tree-data-ref.c: Fix formatting.
16706 (datadep_stats, dependence_stats): New.
16708 (print_direction_vector): New.
16709 (dump_data_dependence_relation): Use print_direction_vector.
16710 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16711 (compute_subscript_distance): Static.
16712 (initialize_data_dependence_relation): Static. Get the number
16713 of loops surrounding the references from the callers, and initialize
16714 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16715 base_object_differ_p analyzers.
16716 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16717 compute_overlap_steps_for_affine_1_2,
16718 analyze_subscript_affine_affine): Count the classified dependences.
16719 Print a message when a test failed.
16720 (can_use_analyze_subscript_affine_affine): New.
16721 (analyze_siv_subscript): Compute the data dependences on symbolic
16722 scevs that verify can_use_analyze_subscript_affine_affine.
16723 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16724 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16725 Handle symbolic scevs.
16726 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16728 (subscript_dependence_tester): Moved...
16729 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16730 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16731 DDR_SIZE_VECT instead of getting it in parameter.
16732 (subscript_dependence_tester): ... here. Take as a parameter
16733 loop_nest_depth. Call build_classic_dist_vector and
16734 build_classic_dir_vector.
16735 (compute_affine_dependence): Update subscript_dependence_tester
16736 parameters. Update datadep_stats counters. Call
16737 compute_subscript_distance.
16738 (compute_self_dependence): Save the dist and dir vectors. Call
16739 compute_subscript_distance.
16740 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16741 (compute_all_dependences): Reorder parameters as they were before
16742 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16743 compute_subscript_distance. Update the use of
16744 compute_affine_dependence and initialize_data_dependence_relation.
16745 (find_data_references_in_loop): Handle COMPONENT_REF.
16746 (compute_data_dependences_for_loop): Initialize dependence_stats.
16747 Don't call build_classic_dist_vector and build_classic_dir_vector.
16748 Update the parameters of initialize_data_dependence_relation and
16749 compute_all_dependences. Print the statistics from datadep_stats.
16750 (analyze_all_data_dependences): Static. Not used until the pass for
16751 checking the data dependences is contributed.
16752 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16753 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16754 (initialize_data_dependence_relation, compute_affine_dependence,
16755 analyze_all_data_dependences, compute_subscript_distance): Removed.
16756 (print_direction_vector): New.
16757 * lambda.h (gcd): ... here.
16758 (lambda_vector_gcd): Moved here from gcd_vector.
16759 * lambda-code.c (gcd, gcd_vector): Removed.
16760 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16761 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16763 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16765 * ipa-type-escape.c: Tidy some comments and white space.
16766 * tree-ssa-operands.c: Likewise.
16768 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16771 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16772 (dump_decl_name): Do not walk the decl tree chains.
16773 * tree-pass.h (TDF_CHAIN): Remove.
16775 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16777 * Makefile.in (C): Remove
16779 (.PHONY): Remove C and PROTO
16781 2006-02-20 Roger Sayle <roger@eyesopen.com>
16783 PR middle-end/26236
16784 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16785 deprecated CHAR_TYPE tree code.
16787 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16789 * configure.ac (target_list): Add install-info, dvi, html.
16790 * configure: Regenerate.
16792 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16793 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16794 treelang/Make-lang.in: Do not use double-colon rules.
16796 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16798 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16799 (TMT_USED_ALONE): New macro.
16800 * tree-pass.h (PROP_tmt_usage): New property.
16801 (TODO_update_tmt_usage): New todo.
16802 * tree-ssa-alias.c (updating_used_alone): New variable.
16803 (recalculate_used_alone): New function.
16804 (compute_may_aliases): Set updating_used_alone, call
16805 recalculate_used_alone.
16806 * tree-sra.c (pass_sra): Note that this pass destroys
16807 PROP_tmt_usage, and add TODO_update_tmt_usage.
16808 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16809 * tree-flow.h (updating_used_alone): Prototype.
16810 (recalculate_used_alone): Ditto.
16811 * passes.c (execute_todo): Add code to set updating_used_alone,
16812 and call recalculate.
16813 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16814 for clobber if used alone, and add assert to verify used_alone
16817 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16819 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16820 for non tls symbols added.
16821 (legitimize_address): Do nothing for PLUS expressions if one of the
16822 addends is a tls symbol reference.
16824 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16828 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16830 * Makefile.in (BOOTSTRAPPING): New.
16831 (quickstrap): New definition if BOOTSTRAPPING=yes.
16833 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16834 * configure.ac: Substitute all_selected_languages with the languages
16835 that were configured. For all the other variables except
16836 lang_specs_files, include all the languages in the tree.
16837 * configure: Regenerate.
16839 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16840 if there is one. Run the commands to run fixincludes in the same
16843 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16844 * doc/install.texi: Document exact conventions for searching target tools.
16845 Document --with-build-time-tools. Document toplevel bootstrap. Document
16846 something more about building an Ada cross-compiler. Don't list GNU Make
16847 requirements which affect all platforms.
16849 2006-02-19 Roger Sayle <roger@eyesopen.com>
16851 PR middle-end/19543
16852 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16853 only equivalent if the have both the same mode and precision.
16855 2006-02-20 Ben Elliston <bje@au.ibm.com>
16857 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16859 2006-02-19 Roger Sayle <roger@eyesopen.com>
16860 Steven Bosscher <stevenb.gcc@gmail.com>
16862 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16863 constant pool references to identify stack mode constants.
16864 * rtlanal.c (constant_pool_constant_p): New predicate to check
16865 whether operand is a floating point constant in the pool.
16866 * rtl.h (constant_pool_constant_p): Prototype here.
16867 * loop.c (scan_loop): Avoid hoisting constants from the constant
16868 pool on STACK_REGS targets.
16869 (load_mems): Likewise.
16870 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16871 loads into x87 registers expensive in terms of register pressure.
16873 2006-02-19 Roger Sayle <roger@eyesopen.com>
16875 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16876 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16878 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16880 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16881 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16883 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16885 * doc/invoke.texi: Document -fipa-pta.
16886 * common.opt: Add ipa-pta option.
16887 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16888 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16889 (do_ds_constraint): Ditto.
16890 (get_constraint_for): Only add to referenced_vars if
16891 referenced_vars exists.
16892 (insert_into_field_list): Rewrite to do this unsorted.
16893 (insert_into_field_list_sorted): Rename old insert_into_field_list
16895 (create_function_info_for): Use insert_into_field_list_sorted.
16896 (create_variable_info_for): Rewrite so it uses unsorted version,
16897 since the field list is sorted.
16898 (intra_create_variable_infos): Only add to referenced_vars if
16899 referenced_vars exists.
16900 (ipa_pta_execute): Init heapvars, and delete when done.
16901 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16903 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16905 * doc/install.texi: Add missing `@samp'.
16907 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16909 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16912 2006-02-18 Mark Wielaard <mark@klomp.org>
16914 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16915 who added new 4.1 features, bug fixes and integration support.
16917 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16920 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16921 MEM for ABI_V4 pic.
16923 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16925 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16926 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16927 (copy_insn_1): Likewise. Don't copy each field individually.
16929 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16931 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16932 * rtl.c (rtx_size): Rename variable to...
16933 (rtx_code_size): ...this.
16934 (rtx_size): New function.
16935 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16936 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16938 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16939 * rtl.h (rtx_code_size): New variable.
16940 (rtx_size): Change from a variable to a function.
16941 (RTX_SIZE): Rename to...
16942 (RTX_CODE_SIZE): ...this.
16945 PR tree-optimization/17106
16946 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16947 (Anchored Addresses): New section.
16948 * doc/invoke.texi (-fsection-anchors): Document.
16949 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16950 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16951 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16952 * hooks.c (hook_bool_mode_rtx_false): New function.
16953 * hooks.h (hook_bool_mode_rtx_false): Declare.
16954 * gengtype.c (create_optional_field): New function.
16955 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16956 SYMBOL_REF_IN_BLOCK_P is true.
16957 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16958 (min_anchor_offset, max_anchor_offset): Likewise.
16959 (use_anchors_for_symbol_p): New hook.
16960 * toplev.c (compile_file): Call output_object_blocks.
16961 (target_supports_section_anchors_p): New function.
16962 (process_options): Check that -fsection-anchors is only used on
16963 targets that support it and when -funit-at-a-time is in effect.
16964 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16965 if the decl doesn't have one.
16966 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16967 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16968 of force_const_mem through use_anchored_address.
16969 (expand_expr_constant): New function.
16970 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16971 calling expand_expr for INDIRECT_REF.
16972 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16973 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16974 * expr.h (use_anchored_address): Declare.
16975 * loop-unroll.c: Don't declare rtx vectors here.
16976 * explow.c: Include output.h.
16977 (validize_mem): Call use_anchored_address.
16978 (use_anchored_address): New function.
16979 * common.opt (-fsection-anchors): New switch.
16980 * varasm.c (object_block_htab, anchor_labelno): New variables.
16981 (hash_section, object_block_entry_eq, object_block_entry_hash)
16982 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16983 (use_blocks_for_decl_p, change_symbol_section): New functions.
16984 (get_variable_section): New function, split out from assemble_variable.
16985 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16986 use_blocks_for_decl_p say so. Use change_symbol_section if the
16987 symbol has already been created.
16988 (assemble_variable_contents): New function, split out from...
16989 (assemble_variable): ...here. Don't output any code for
16990 block symbols; just pass them to place_block_symbol.
16991 Use get_variable_section and assemble_variable_contents.
16992 (get_constant_alignment, get_constant_section, get_constant_size): New
16993 functions, split from output_constant_def_contents.
16994 (build_constant_desc): Create a block symbol if use_object_blocks_p
16995 says so. Or into SYMBOL_REF_FLAGS.
16996 (assemble_constant_contents): New function, split from...
16997 (output_constant_def_contents): ...here. Don't output any code
16998 for block symbols; just pass them to place_section_symbol.
16999 Use get_constant_section and get_constant_alignment.
17000 (force_const_mem): Create a block symbol if use_object_blocks_p and
17001 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17002 (output_constant_pool_1): Add an explicit alignment argument.
17003 Don't switch sections here.
17004 (output_constant_pool): Adjust call to output_constant_pool_1.
17005 Switch sections here instead. Don't output anything for block symbols;
17006 just pass them to place_block_symbol.
17007 (init_varasm_once): Initialize object_block_htab.
17008 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17009 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17010 (place_block_symbol, get_section_anchor, output_object_block)
17011 (output_object_block_htab, output_object_blocks): New functions.
17012 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17013 (TARGET_ASM_OUT): Include it.
17014 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17015 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17016 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17017 (TARGET_INITIALIZER): Include them.
17018 * rtl.c (rtl_check_failed_block_symbol): New function.
17019 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17020 (block_symbol, object_block): New structures.
17021 (rtx_def): Add a block_symbol field to the union.
17022 (BLOCK_SYMBOL_CHECK): New macro.
17023 (rtl_check_failed_block_symbol): Declare.
17024 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17025 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17026 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17027 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17028 * output.h (output_section_symbols): Declare.
17029 (object_block): Name structure.
17030 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17031 (default_use_anchors_for_symbol_p): Declare.
17032 * Makefile.in (RTL_BASE_H): Add vec.h.
17033 (explow.o): Depend on output.h.
17034 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17035 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17036 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17037 (rs6000_use_blocks_for_constant_p): New function.
17039 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17041 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17043 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17046 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17049 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17051 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17055 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17057 PR middle-end/26334
17058 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17059 instead of DECL_REGISTER.
17061 2006-02-18 Olivier Hainque <hainque@adacore.com>
17064 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17066 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17069 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17070 * opth-gen.awk: Handle Var and InverseMask together.
17071 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17072 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17073 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17074 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17076 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17077 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17078 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17079 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17080 LINUX_DYNAMIC_LINKER): Define.
17081 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17082 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17084 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17085 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17086 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17088 (TARGET_C99_FUNCTIONS): Don't define.
17089 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17090 GLIBC_DYNAMIC_LINKER.
17091 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17092 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17093 GLIBC_DYNAMIC_LINKER64): Define.
17094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17095 LINUX_DYNAMIC_LINKER64.
17096 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17098 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17100 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17102 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17103 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17104 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17106 and LINUX_DYNAMIC_LINKER32.
17107 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17109 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17111 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17113 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17114 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17115 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17116 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17117 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17118 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17119 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17120 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17121 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17122 LINUX_DYNAMIC_LINKER): Define.
17123 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17124 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17125 GLIBC_DYNAMIC_LINKER64): Define.
17126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17127 LINUX_DYNAMIC_LINKER64.
17128 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17129 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17130 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17131 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17132 LINUX_DYNAMIC_LINKER): Define.
17133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17134 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17135 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17136 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17137 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17138 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17139 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17140 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17141 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17142 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17144 * doc/invoke.texi (-muclibc): Remove caveat about supported
17147 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17149 * doc/cpp.texi (__TIMESTAMP__): Document.
17151 2006-02-17 Roger Sayle <roger@eyesopen.com>
17153 PR middle-end/25600
17154 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17155 C is one less than the width of X (and related transformations).
17156 * simplify-rtx.c (simplify_unary_operation_1): Transform
17157 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17158 depending on STORE_FLAG_VALUE, were C is one less then the
17161 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17163 Fix PR tree-optimization/26341
17164 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17165 about NAME_MEMORY_TAG's.
17167 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17170 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17171 with hardware float support, and software float support. Add fcpy
17172 alternative to hardware patterns. Add alternatives to copy between
17173 general and floating-point registers to the 32-bit pattern.
17174 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17175 secondary reload to load a QI or HI mode constant into a floating
17177 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17178 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17180 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17183 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17185 (load_macho_picbase_di): Likewise.
17187 2006-02-16 Jeff Law <law@redhat.com>
17189 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17190 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17191 (ssa_name_nonzero_p): Likewise.
17192 (get_value_range): Return NULL if VRP is not running.
17193 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17194 VRP routines do not discover a range.
17195 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17196 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17197 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17198 (tree_expr_nonnegative_p): Similarly.
17199 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17200 (restore_nonzero_vars_to_original_value): Remove.
17201 (unsafe_associative_fp_binop): Remove.
17202 (tree_ssa_dominator_optimize): Remove initialization and
17203 finalization of nonzero_vars and nonzero_vars_stack.
17204 (dom_opt_initialize_block): No longer push marker on
17205 nonzero_vars_stack.
17206 (dom_opt_finalize_block): No longer call
17207 restore_nonzero_vars_to_original_value.
17208 (record_equivalences_from_phis): No longer look for
17209 nonzero PHI arguments.
17210 (cprop_into_successor_phis): No longer propagate nonzero
17211 property into PHI arguments. Lose unused argument. Caller
17213 (record_equivalences_from_stmt): No longer record nonzero
17214 values for SSA_NAMEs.
17215 (lookup_avail_expr): No longer use nonzero_vars.
17217 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17218 for sizetype when sizetype is unsigned.
17220 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17222 PR rtl-optimization/25603
17223 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17224 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17225 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17226 with new meaning of SETS.
17228 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17233 * config/linux.opt: New file.
17234 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17235 LINUX_DYNAMIC_LINKER): Define.
17236 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17237 * config.gcc (*-*-linux*): Define extra_options.
17238 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17239 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17240 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17241 GLIBC_DYNAMIC_LINKER.
17242 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17243 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17244 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17245 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17246 * doc/invoke.texi (GNU/Linux Options): New section.
17248 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17250 * config/sparc/sparc.md (setjmp): Rewrite.
17251 (setjmp_32): Delete.
17252 (setjmp_64): Likewise.
17254 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17256 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17259 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17261 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17264 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17266 PR rtl-optimization/26296
17267 * Makefile.in (loop-invariant.c): Add except.h dependency.
17268 * loop-invariant.c: Include except.h.
17269 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17271 2005-02-16 Paul Brook <paul@codesourcery.com>
17273 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17276 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17278 PR rtl-optimization/25636
17279 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17280 when deciding whether an insn is an initializing insn.
17282 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17284 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17285 (tree_code_size): Ditto.
17286 * tree.h (struct tree_memory_tag): Remove parent_var.
17287 (struct tree_struct_field_tag): New.
17290 (union tree_node): Add sft member.
17291 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17293 (create_sft): Add size and offset argument, set SFT_OFFSET and
17295 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17296 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17297 * tree-flow-inline.h (get_subvar_at): Update for
17298 SFT_OFFSET/SFT_SIZE.
17299 (var_can_have_subvars): Ditto.
17300 (overlap_subvar): Ditto.
17301 * print-tree.c (print_node): Print out interesting things for
17303 * tree-flow.h (struct subvar): Remove offset and size members.
17304 * tree-ssa-operands.c (get_expr_operands): Update for
17305 get_indirect_ref_operands changes.
17306 (get_indirect_ref_operands): Call add_virtual_operand instead of
17307 add_stmt_operand. Only recurse on base var if requested.
17308 (access_can_touch_variable): New function.
17309 (add_stmt_operand): Split virtual operand handling into ...
17310 (add_virtual_operand): Here. Add offset, size, and for_clobber
17311 arguments. Prune alias sets.
17312 (add_call_clobber_ops): Call add_virtual_operand.
17314 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17316 PR middle-end/26300
17317 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17319 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17320 than TREE_CODE as index into omp_clause_num_ops array.
17322 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17324 PR rtl-optimization/26184
17325 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17327 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17328 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17329 must_precede, must_follow and tobe_scheduled.
17332 * opts.c (common_handle_option): Free new_option pointer.
17333 * df-core.c (df_analyze): Free postorder pointer.
17335 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17337 * Makefile.in: Fix the examples about the use of stamps
17339 2006-02-15 Michael Matz <matz@suse.de>
17341 PR middle-end/22275
17343 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17344 influenced by maximum_field_alignment or DECL_PACKED.
17345 (update_alignment_for_field): Ditto.
17346 (place_field): Ditto.
17347 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17350 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17352 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17353 (debug_flow_info): Pass it.
17354 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17355 * bb-reorder.c (reorder_basic_blocks): Likewise.
17356 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17357 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17358 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17359 * gcse.c (gcse_main, bypass_jumps): Likewise.
17360 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17361 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17362 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17363 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17364 * rtl.h (dump_flow_info): Adjust prototype.
17365 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17366 * var-tracking.c (variable_tracking_main): Likewise.
17367 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17368 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17371 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17373 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17376 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17378 PR tree-optimization/26209
17379 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17380 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17382 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17384 2006-02-14 Roger Sayle <roger@eyesopen.com>
17386 PR middle-end/23670
17387 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17388 (X,Y) and the corresponding symmetry related transformations.
17389 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17390 (X,Y) and its symmetry related transformations.
17392 2006-02-14 Roger Sayle <roger@eyesopen.com>
17394 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17397 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17399 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17401 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17404 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17405 support COMDAT group.
17406 * configure: Regenerate.
17408 2006-02-14 Roger Sayle <roger@eyesopen.com>
17410 PR middle-end/26279
17411 PR middle-end/26280
17412 PR middle-end/26283
17413 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17415 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17417 Fix PR tree-optimization/26260
17419 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17421 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17422 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17423 * tree-ssa-structalias.c (create_variable_info_for): Use
17424 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17426 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17428 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17430 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17431 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17432 of the ending condition.
17433 * tree-ssa-loop-manip.c: Include params.h.
17434 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17435 tree_unroll_loop): New functions.
17436 * tree-pass.h (pass_loop_prefetch): Declare.
17437 * loop.c (rest_of_handle_loop_optimize): Test for
17438 -fprefetch-loop-arrays-rtl.
17439 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17440 * timevar.def (TV_TREE_PREFETCH): New timevar.
17441 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17442 pass_loop_prefetch): New.
17443 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17444 (cleanup_tree_cfg_loop): Call scev_reset.
17445 * common.opt (fprefetch-loop-arrays-rtl): Add.
17446 * tree-ssa-loop-prefetch.c: New file.
17447 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17448 (new_temp_expr_table): Initialize expr_vars.
17449 (free_temp_expr_table): Cleanup expr_vars.
17450 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17451 expressions from being merged into one.
17452 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17453 (struct tree_niter_desc): Add control, bound and cmp fields.
17454 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17456 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17457 (tree-cfgcleanup.o): Add SCEV_H dependency.
17458 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17459 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17461 2006-02-14 Richard Guenther <rguenther@suse.de>
17463 PR tree-optimization/26258
17464 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17465 in PHI argument processing.
17467 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17469 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17470 new expression in the requested machine mode.
17472 2006-02-13 Roger Sayle <roger@eyesopen.com>
17474 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17475 directly, instead let do_compare_rtx_and_jump handle this for us.
17476 * expr.c (expand_expr_real_1): Likewise.
17477 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17478 before do_jump_by_parts_greater.
17479 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17480 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17482 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17484 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17486 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17488 PR rtl-optimization/26235
17489 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17490 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17493 2006-02-13 Jeff Law <law@redhat.com>
17495 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17498 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17500 PR middle-end/26092
17501 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17502 twice if decl is a builtin. When trying again, call get_callee_fndecl
17503 first to verify it is still a builtin.
17505 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17507 * dwarf2out.c (base_type_die): Don't add AT_name here.
17508 (subrange_type_die): Don't add AT_name here.
17509 (modified_type_die): Rearrange code flow. Do add AT_name here.
17511 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17513 PR rtl-optimization/26247
17514 PR rtl-optimization/26248
17515 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17517 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17519 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17520 * config/fixtfdi.c: Likewise.
17521 * config/fixunstfdi.c: Likewise.
17522 * config/floatditf.c: Likewise.
17524 2006-02-13 Roger Sayle <roger@eyesopen.com>
17526 PR middle-end/24427
17527 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17528 into (X,C2) if C1 is a subset of the bits of C2. Transform
17529 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17531 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17533 2006-02-13 Josh Conner <jconner@apple.com>
17536 * varasm.c (function_section): Check for section name before
17537 calling select_section on targets that define
17538 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17539 unlikely_text_section instead of hot_function_section if
17540 first_function_block_is_cold.
17542 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17544 PR middle-end/25335
17545 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17547 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17549 PR rtl-optimization/26222
17550 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17551 after tree->rtl expansion.
17552 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17553 before passing it to emit_move_insn.
17555 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17557 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17559 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17560 Clarify documentation.
17561 * c-common.h (warn_write_strings): Remove.
17562 * c-common.c (warn_write_strings): Likewise.
17563 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17566 2006-02-12 Roger Sayle <roger@eyesopen.com>
17568 PR middle-end/25724
17569 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17570 (do_jump_parts_zero_rtx): New function renamed from
17571 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17572 (do_jump_parts_equality_rtx): New function split out from
17573 do_jump_parts_equality. Old implementation renamed as above.
17574 Call do_jump_parts_zero_rtx if either operand is zero.
17575 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17576 do all of the heavy lifting.
17577 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17578 calling either do_jump_by_parts_greater_rtx or
17579 do_jump_by_parts_equality_rtx.
17580 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17581 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17582 moved to do_compare_rtx_and_jump, call it directly.
17583 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17584 mode argument. Call do_compare_rtx_and_jump.
17585 (emit_case_nodes): Update calls to do_jump_if_equal.
17587 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17589 PR rtl-optimization/26225
17590 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17592 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17594 PR rtl-optimization/26232
17595 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17597 2006-02-11 Jason Merrill <jason@redhat.com>
17600 * tree-inline.c (declare_return_variable): Just don't use the
17601 modify target if it's a gimple complex reg and the return slot
17604 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17606 * doc/contrib.texi: Update my entry.
17608 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17610 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17612 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17614 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17617 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17619 * doc/invoke.texi (-floop-optimize2): Removed.
17620 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17621 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17622 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17623 * common.opt (floop-optimize2): Removed.
17624 (fmove-loop-invariants): Enabled by default.
17626 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17628 * tree-if-conv.c (combine_blocks): Free the result of
17629 get_loop_exit_edges.
17631 2006-02-10 Jeff Law <law@redhat.com>
17633 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17635 PR tree-optimization/26213
17636 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17637 loop trying to follow SSA_NAME_VALUE chains.
17639 2006-02-10 Richard Guenther <rguenther@suse.de>
17641 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17642 deal with structures that end in implicitly variable sized arrays.
17644 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17646 PR rtl-optimization/24762
17647 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17650 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17652 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17653 (struct ivopts_data): Add regs_used field.
17654 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17655 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17656 instead of loop_data->regs_used;
17657 (free_loop_data): Do not free aux fields for loops.
17658 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17659 and tree_ssa_iv_optimize_finalize.
17661 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17663 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17665 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17668 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17669 computing the effective result type.
17671 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17673 PR inline-asm/16194
17674 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17675 (tree_overlaps_hard_reg_set): Declare.
17676 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17677 type and signature to match function type expected by walk_tree.
17678 (tree_overlaps_hard_reg_set): New function.
17679 (decl_conflicts_with_clobbers_p): Rename to:
17680 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17681 Use tree_overlaps_hard_reg_set. Changed caller.
17682 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17683 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17684 * cris.c (cris_md_asm_clobbers): Likewise.
17686 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17688 * reload1.c (emit_input_reload_insns): Delete code that tries to
17689 inherit using find_equiv_reg.
17691 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17693 * c-common.h (flag_const_strings): Don't declare.
17694 * c-common.c (flag_const_strings): Remove.
17695 * c.opt (fconst_strings): Remove.
17696 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17697 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17698 (c_common_init_options): Don't set flag_const_strings.
17699 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17701 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17703 * arm.md (tlobits_cbranch): New pattern.
17704 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17705 testing a single bit.
17707 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17710 * tree-ssa-pre.c (create_component_ref_by_pieces):
17711 Handle RETURN_DECL like VAR_DECL.
17713 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17715 PR middle-end/26134
17716 * fold-const.c (fold_indirect_ref_1): Fold
17717 "*(foo *)&complexfoo" to "__real__ complexfoo"
17718 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17720 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17722 * tree-flow-inline.h (var_can_have_subvars):
17723 Volatile variables should not have subvariables.
17725 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17728 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17729 multiplying unsigned values.
17732 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17734 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17736 2006-02-08 Jason Merrill <jason@redhat.com>
17739 * tree.def: Elaborate on difference from MODIFY_EXPR.
17740 * doc/c-tree.texi (INIT_EXPR): Likewise.
17741 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17742 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17743 (gimplify_target_expr): Likewise.
17744 (gimplify_cond_expr): Remove target handling.
17745 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17746 (gimplify_expr): Clobber it here.
17747 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17748 Do return slot optimization if we have an INIT_EXPR.
17751 * tree-inline.c (declare_return_variable): Also clear
17752 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17755 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17757 PR middle-end/22439
17758 * gimplify.c (gimplify_one_sizepos): Fix typo.
17760 2006-02-08 Jeff Law <law@redhat.com>
17762 PR tree-optimization/21417
17763 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17764 across a backedge if the control statement at the end of the
17765 block is data dependent on other statements in the same block.
17766 (record_temporary_equivalences_from_stmts): Remove over-conservative
17767 test for threading across backedges.
17769 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17770 control statement, handle all three special cases in the same
17771 manner as they all have the same desired solution. No longer
17772 special case edge flag updating when the post dominator is
17775 2006-02-08 Roger Sayle <roger@eyesopen.com>
17777 * tree.def (CHAR_TYPE): Remove.
17778 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17779 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17780 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17781 (gen_string_type_die): Delete unreachable function.
17783 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17784 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17785 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17786 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17787 * builtins.c (type_to_class): Likewise.
17788 * fold-const.c (fold_convert, build_range_check,
17789 merge_ranges): Likewise.
17790 * expr.c (count_type_elements): Likewise.
17791 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17792 * stor-layout.c (layout_type): Likewise.
17793 * ipa-type-escape.c (type_to_consider): Likewise.
17794 * gimplify.c (omp_firstprivatize_type_sizes,
17795 gimplify_type_sizes): Likewise.
17796 * explow.c (promote_mode): Likewise.
17797 * tree-sra.c (is_sra_scalar_type): Likewise.
17798 * varasm.c (output_constant): Likewise.
17799 * tree-inline.c (remap_type_1): Likewise.
17800 * convert.c (convert_to_pointer, convert_to_real,
17801 convert_to_integer, convert_to_complex): Likewise.
17803 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17805 * df-scan.c (df_def_record_1): A set destination may
17806 be a parallel regardless of mode.
17808 2006-02-08 Roger Sayle <roger@eyesopen.com>
17811 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17812 * config/mips/_tilib.c: Remove.
17813 * config/fixtfdi.c: New libgcc source file.
17814 * config/fixunstfdi.c: New source file.
17815 * config/floatditf.c: New source file.
17816 * config/floatunditf.c: New souce file.
17817 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17818 files above instead of config/mips/_tilib.c.
17819 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17821 2006-02-08 Jeff Law <law@redhat.com>
17823 PR tree-optimization/26169
17824 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17827 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17829 * df.h (DF_REG_SIZE): Return the length of the initialized
17832 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17834 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17835 __muldf3): Return a correctly signed zero.
17837 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17839 * passes.c (register_one_dump_file): Accept the current properties
17840 instead of pass number. Adjust call to dump_register. Remove
17842 (register_dump_files): Now a wrapper around...
17843 (register_dump_files_1): ... this one. Do not modify the pass
17845 (next_pass_1): Cosmetic fix.
17846 (execute_todo): Keep second parameter only. Use curr_properties
17847 instead of fetching it from the pass structure. Check and set
17849 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17850 instead of fetching it from the pass structure. Fix calls to
17851 execute_todo. Update curr_properties and initialize .vcg RTL dump
17852 after running the pass. Reset last_verified.
17853 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17855 (FIRST_AUTO_NUMBERED_DUMP): New.
17856 (dump_register): Remove "num" parameter, assign it within the
17858 (get_dump_file_name): Modify template for dumps.
17859 * tree-dump.h (dump_register): Adjust prototype.
17860 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17861 (PROP_trees): Add PROP_gimple_lomp.
17862 (TODO_set_props): New.
17863 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17864 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17865 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17867 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17869 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17870 (sparc64-*-linux*): Likewise.
17871 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17872 * config/sparc/t-linux: New file.
17873 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17874 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17875 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17876 -m32 -mlong-double-128.
17878 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17879 * config/alpha/t-linux: New file.
17880 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17882 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17883 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17884 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17885 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17886 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17887 (CPP_ARCH32_SPEC): Remove.
17889 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17891 PR tree-optimization/26145
17892 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17895 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17898 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17899 >= 240000 when generating code for SOM runtime.
17900 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17901 to $$dyncall when generating code for SOM runtime..
17903 2006-02-07 Dirk Mueller <dmueller@suse.com>
17906 * doc/invoke.texi (-Wsequence-point): Update documentation
17907 that -Wsequence-point is implemented for C++ as well.
17909 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17911 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17912 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17913 (LIB_SPEC): Likewise.
17914 * doc/invoke.texi (SPARC options): Document -pthread.
17916 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17918 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17921 2006-02-07 Roger Sayle <roger@eyesopen.com>
17923 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17924 Correct comment describing BOOLEAN_TYPE.
17926 2006-02-07 Dirk Mueller <dmueller@suse.com>
17928 * c.opt: C++ frontend supports -Wdiv-by-zero.
17929 * c-opts.c (c_common_handle_option): Remove dead case.
17931 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17933 * configure.ac (TLS assembler check): Do not enable TLS by
17934 default on SPARC/Solaris before version 10.
17935 * configure: Regenerate.
17937 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17939 * doc/invoke.texi (xl-compat): Document conversion and support
17942 2006-02-07 Jeff Law <law@redhat.com>
17944 * tree-vrp.c (find_conditional_asserts): Update comments.
17945 (simplify_stmt_for_jump_threading): New.
17946 (identify_jump_threads, finalize_jump_threads): New.
17947 (vrp_finalize): Call identify_jump_threads.
17948 (execute_vrp): Call finalize_jump_threads.
17949 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17950 (vrp_element, vrp_data, vrp_element_p): Remove.
17951 (vrp_hash_elt, vrp_variables_stack): Remove.
17952 (vrp_hash, vrp_eq, record_range): Remove.
17953 (simplify_cond_and_lookup_avail_expr): Remove.
17954 (extract_range_from_cond): Remove.
17955 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17956 (simplify_stmt_for_jump_threading): New.
17957 (dom_thread_across_edge): New wrapper.
17958 (tree_ssa_dominator_optimize): No longer initialize or
17959 finalize any of the VRP datastructures. Remove iteration
17960 step and simplify as a result of removal of iteration step.
17961 (pass_dominator): Perform a cfg cleanup after DOM.
17962 (dom_opt_finalize_block): Use the new common routines
17963 for threading jumps. Simplify stack management slightly.
17964 No longer need to unwind VRP state.
17965 (record_equivalences_from_incoming_edge): No longer record
17967 (eliminate_redundant_computations): No longer call
17968 simplify_cond_and_lookup_avail_expr.
17969 * tree-flow.h (potentially_threadable_block): Prototype.
17970 (thread_across_edge): Likewise.
17971 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17972 (tree-ssa-threadedge.o): Add dependencies.
17973 * tree-ssa-threadedge.c: New file.
17974 * passes.c (init_optimization_passes): Merge PHIs before
17975 calling VRP. Run VRP again late in the SSA optimization pipeline.
17977 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17979 * df-core.c (df_set_blocks): Do not dereference function pointers.
17980 (df_finish1): Likewise.
17981 (df_hybrid_search_forward): Likewise.
17982 (df_hybrid_search_backward): Likewise.
17983 (df_iterative_dataflow): Likewise.
17984 (df_analyze_problem): Likewise.
17985 (df_compact_blocks): Likewise.
17986 (df_dump): Likewise.
17987 * df-scan.c (df_rescan_blocks): Likewise.
17988 (df_record_entry_block_defs): Likewise.
17990 * genconditions.c (write_conditions): Guard the definition of
17991 'insn_conditions' with the check on GCC version.
17992 (write_writer): Guard the traversal 'insn_conditions' with
17993 the check on GCC version.
17995 2006-02-07 Richard Guenther <rguenther@suse.de>
17999 2006-01-30 Richard Guenther <rguenther@suse.de>
18001 * gimplify.c (gimplify_target_expr): Handle easy cases
18002 without creating a temporary.
18004 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18006 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18007 use of float in probability computations. Use edge probabilities
18008 in place of statically computed probabilities.
18009 (min_spec_prob): New static variable.
18010 (schedule_insns): Initialize it.
18011 (GET_SRC_PROB): Removed.
18012 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18014 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18017 * config/ia64/unwind-ia64.c: Revert last change.
18018 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18019 (INCOMING_FRAME_SP_OFFSET): Define.
18021 2006-02-06 Roger Sayle <roger@eyesopen.com>
18023 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18025 2006-02-07 Ben Elliston <bje@au.ibm.com>
18027 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18028 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18029 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18030 (ix86_return_in_memory): Handle TDmode.
18031 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18032 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18034 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18036 * reorg.c (dbr_schedule): Use dump_file instead of file.
18038 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18041 * config/ia64/predicates.md (extr_len_operand): New predicate.
18042 * config/ia64/ia64.md (extv): Tighten constraints.
18044 (*tbit_and_2): Ditto.
18045 (*tbit_and_3): Ditto.
18046 (*tbit_or_2): Ditto.
18047 (*tbit_or_3): Ditto.
18048 (*bit_zero): Ditto.
18051 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18054 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18056 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18058 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18059 loop_optimizer_init and loop_optimizer_finalize
18060 * tree-ssa-sink.c (execute_sink_code): Ditto.
18061 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18062 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18063 tree_ssa_loop_done): Ditto.
18064 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18065 * sched-ebb.c: Include output.h.
18066 (schedule_ebbs): Do not use dump argument.
18067 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18068 * loop.c (loop_dump_stream): Removed.
18069 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18071 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18072 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18073 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18074 loop_iterations, strength_reduce, record_biv, record_giv,
18075 final_giv_value, check_final_value, check_ext_dependent_givs,
18076 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18077 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18078 dump_file instead of loop_dump_stream.
18079 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18080 argument dump_file.
18081 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18083 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18084 * haifa-sched.c: Include output.h
18085 (schedule_insns, sched_init): Do not use dump argument.
18086 * mode-switching.c (optimize_mode_switching): Ditto.
18087 * modulo-sched.c (stats_file): Removed.
18088 (print_node_sched_params): Do not call argument dump_file.
18089 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18090 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18092 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18094 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18095 rtl_loop_init, rtl_loop_done): Ditto.
18096 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18097 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18099 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18100 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18101 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18102 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18103 * emit-rtl.c (renumber_insns): Ditto.
18104 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18105 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18106 * regclass.c (regclass): Ditto.
18107 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18108 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18109 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18110 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18112 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18113 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18115 * gcse.c (gcse_file, debug_stderr): Removed.
18116 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18117 rest_of_handle_gcse): Do not use dump argument.
18118 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18119 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18120 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18121 compute_code_hoist_vbeinout, compute_code_hoist_data,
18122 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18123 compute_store_table, build_store_vectors, insert_insn_start_bb,
18124 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18125 store_motion): Use dump_file instead of gcse_file.
18126 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18127 * profile.c (profile_dump_file): Removed.
18128 (branch_prob): Use dump_file instead of profile_dump_file.
18129 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18131 * tree-ssa-copy.c (dump_copy_of): Ditto.
18132 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18133 dump file to life_analysis.
18134 * bt-load.c (branch_target_load_optimize): Ditto.
18135 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18137 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18138 regclass, dbr_schedule): Declaration changed.
18139 * sched-int.h (sched_init): Declaration changed.
18140 * tree-profile.c (tree_profile_dump_file): Removed.
18141 (tree_profile_hooks): Removed profile_dump_file hook.
18142 * rtl-profile (rtl_profile_dump_file): Removed.
18143 (rtl_profile_hooks): emoved profile_dump_file hook.
18144 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18146 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18147 * tree-cfg.c (build_tree_cfg): Ditto.
18148 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18149 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18150 Declaration changed.
18151 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18152 life_analysis and schedule_insns.
18153 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18155 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18157 * config/mips/mips.c (mips_reorg): Ditto.
18158 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18161 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18163 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18164 (s390_mangle_fundamental_type): New.
18165 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18168 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18169 (alpha_mangle_fundamental_type): New.
18170 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18173 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18175 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18177 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18178 (sparc_mangle_fundamental_type): New.
18180 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18182 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18183 (s390x-*-linux*): Likewise.
18184 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18185 * config/s390/t-linux: New file.
18187 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18189 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18190 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18192 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18194 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18195 (ANTIC_SAFE_LOADS): New macro.
18196 (find_or_generate_expression): Add prototype.
18197 (set_contains_value): Allow null set for sake of not always having
18198 to allocate ANTIC_SAFE_LOADS.
18199 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18200 Allow COMPONENT_REF too.
18201 (valid_in_set): Allow COMPONENT_REF.
18202 Check ANTIC_SAFE_LOADS too.
18203 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18204 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18206 (can_PRE_operation): Add COMPONENT_REF.
18207 (create_component_ref_by_pieces): New function.
18208 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18209 (insert_aux): Move AGGREGATE_TYPE_P check here.
18210 (compute_avail): Set bb local stmt uids.
18211 (pass_pre): Use TODO_update_ssa_only_virtuals.
18213 2006-02-06 Ben Elliston <bje@au.ibm.com>
18215 * configure.ac: Unconditionally disable decimal float by default.
18216 * configure: Regenerate.
18218 2006-02-06 Ben Elliston <bje@au.ibm.com>
18220 * read-rtl.c (read_name): Terminate reading on EOF.
18222 2006-02-06 Ben Elliston <bje@au.ibm.com>
18224 * dfp.c (decimal_real_arithmetic): Change second argument type
18225 from int to enum tree_code. Do not always return true, but now
18226 return result of any call to decimal_do helper functions.
18227 * dfp.h (decimal_real_arithmetic): Update prototype.
18229 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18231 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18233 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18236 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18239 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18241 * tree-vrp.c (cfg_loops): Removed.
18242 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18243 Use current_loops instead of cfg_loops. Pass flags to
18244 loop_optimizer_init.
18245 * cfgloopmanip.c (fix_loop_structure): Update only available
18247 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18248 loop_optimizer_init.
18249 * modulo-sched.c (build_loops_structure): Removed.
18250 (sms_schedule): Use loop_optimizer_init.
18251 * loop-init.c (loop_optimizer_init): Use flags to determine
18252 which properties of loops to prepare.
18253 (rtl_loop_init): Pass flags to loop_optimizer_init.
18254 * tree-ssa-sink.c (execute_sink_code): Ditto.
18255 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18256 * tree-ssa-pre.c (init_pre): Ditto.
18257 * cfgloop.h (LOOPS_NORMAL): New.
18258 (loop_optimizer_init): Declaration changed.
18260 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18262 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18263 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18265 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18267 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18269 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18270 * pa/t-pa64: Delete quadlib.c rule.
18271 * pa/x-ada: Revert last change.
18272 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18274 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18276 PR rtl-optimization/26087
18277 * rtlanal.c (canonicalize_condition): Do not cross basic block
18280 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18283 * config/ia64/ia64.c: Include debug.h.
18284 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18285 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18286 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18287 (process_epilogue, process_set, process_for_unwind_directive):
18288 Output unwind info only if requested. Add CFA info if requested.
18289 Add new arguments as needed. Adjust callers.
18290 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18292 (DWARF2_FRAME_INFO): Define to zero.
18293 * config/ia64/unwind-ia64.c: Remove code that compensated for
18294 the CFA offset error fixed above.
18295 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18296 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18297 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18298 -funwind-tables and -fexceptions to enable frame info.
18299 (dwarf2out_frame_init): Define initial CFA even if
18300 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18301 DWARF2_UNWIND_INFO is nonzero, not just defined.
18302 (dwarf2out_frame_finish): Output non-EH call frame info only
18303 if DWARF2_FRAME_INFO is nonzero.
18304 (convert_cfa_to_loc_list,
18305 compute_frame_pointer_to_cfa_displacement): Define even if
18306 unwind info is not supported.
18307 (gen_subprogram_die): Use the above unconditionally. Remove
18308 legacy alternate code.
18309 * toplev.c (compile_file): Compile in call to
18310 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18311 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18313 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18314 Jakub Jelinek <jakub@redhat.com>
18316 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18317 IBM extended float format long double as "g" on powerpc*-linux.
18319 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18322 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18323 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18325 2006-02-03 Jason Merrill <jason@redhat.com>
18328 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18330 PR middle-end/25977
18331 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18332 on the return slot if it's an NRV.
18334 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18336 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18337 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18338 rewrite_use): Do not handle USE_OUTER.
18339 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18340 add_iv_outer_candidates, may_replace_final_value,
18341 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18342 (find_interesting_uses_op): Functionality of
18343 find_interesting_uses_outer_or_nonlin moved here.
18344 (find_interesting_uses_outside): Use find_interesting_uses_op.
18346 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18349 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18351 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18352 Ulrich Weigand <uweigand@de.ibm.com>
18355 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18356 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18357 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18358 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18360 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18361 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18362 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18363 Define secondary reloads for TFmode moves.
18364 (constant_modes): Add TFmode.
18365 (NR_C_MODES): Set to 8.
18366 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18368 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18369 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18370 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18371 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18372 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18373 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18374 (FPR mode macro): Add TFmode.
18375 (DSF mode macro): New.
18376 (<de>, <dee> mode attributes): Removed.
18377 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18378 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18379 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18380 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18381 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18382 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18383 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18384 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18385 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18386 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18387 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18388 "*negabs<mode>2", "sqrt<mode>2"):
18389 Changed <de> to <xde>. R constraint replaced by <Rf>.
18390 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18392 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18393 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18394 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18396 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18397 "extenddftf2", "extendsftf2"): New expanders.
18398 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18399 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18400 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18401 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18403 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18404 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18405 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18406 __floatditf): Add a GCC_4.1.0 symbol version tag.
18407 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18410 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18413 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18414 Use targetm.binds_local_p instead of TREE_PUBLIC.
18416 2006-02-02 Roger Sayle <roger@eyesopen.com>
18418 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18419 on INTEGER_TYPEs to indicate that it denotes a character type.
18420 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18421 signed_char_type_node, unsigned_char_type_node and char_type_node.
18422 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18423 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18424 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18426 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18427 Daniel Berlin <dberlin@dberlin.org>
18429 * tree-tailcall.c (arg_needs_copy_p): New function.
18430 (eliminate_tail_call): Use arg_needs_copy_p.
18431 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18432 (add_virtual_phis): New function.
18434 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18436 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18437 #ignore instead of #scratch for %g7 .register directive.
18439 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18441 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18444 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18446 * flow.c (calculate_global_regs_live): Assert that there aren't any
18449 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18451 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18452 what its name says.
18453 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18454 bsi_after_labels iterator.
18455 * tree-if-conv.c (find_phi_replacement_condition,
18456 replace_phi_with_cond_modify_expr): Likewise.
18457 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18458 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18460 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18462 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18464 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18467 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18468 array after growing it.
18470 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18472 PR middle-end/24901
18473 * fold-const.c (fold_checksum_tree): Change type of buf.
18475 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18477 * reload.c (push_secondary_reload): Initialize t_icode.
18479 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18481 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18482 -msoft-float -mlong-double-128 only issue a warning, but don't
18483 swich to DFmode long double.
18485 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18487 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18488 has a constant equivalent, iterate over equivalents for arg0,
18489 calling simplify_relational_operation and if there's a result
18490 cheaper than X, apply fold_rtx and return the result.
18492 2006-02-01 Jan Hubicka <jh@suse.cz>
18494 * opts.c (no_unit_at_a_time_default): New global variable.
18495 (decode_options): Use it.
18496 * opts.h (no_unit_at_a_time_default): Declare.
18498 2006-02-01 Paul Brook <paul@codesourcery.com>
18500 * function.c (assign_parm_setup_reg): Use function argument promotion
18502 * expr.c (expand_expr_real_1): Use function argument promotion rules
18505 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18507 * gcc.c (process_command): Change j to 'unsigned int'.
18509 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18511 PR middle-end/26001
18512 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18513 Use the corrected index for the character
18514 out of the string constant.
18516 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18518 * mode-switching.c (optimize_mode_switching): Fix size
18519 allocated for bb_info[n_entities].
18521 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18523 * gcc.c (main): Correct type that is allocated for
18524 explicit_link_files.
18526 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18528 * config/s390/s390.c (init_alignment_context): Set
18529 ALIAS_SET_MEMORY_BARRIER on the MEM.
18530 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18532 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18534 PR middle-end/25933
18535 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18537 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18540 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18542 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18543 * regrename.c: Ditto.
18544 * tree-ssa-loop-im.c: Ditto.
18545 * tree-dump.c: Ditto.
18546 * tree-complex.c: Ditto.
18547 * genrecog.c: Ditto.
18548 * tree-ssa-threadupdate.c: Ditto.
18550 * java/class.c: Ditto.
18551 * java/jcf-parse.c: Ditto.
18552 * java/resource.c: Ditto.
18553 * java/except.c: Ditto.
18554 * java/jvspec.c: Ditto.
18555 * java/jcf-write.c: Ditto.
18556 * java/jcf-path.c: Ditto.
18557 * java/gjavah.c: Ditto.
18558 * java/zextract.c: Ditto.
18559 * java/jcf-io.c: Ditto.
18560 * java/jcf.h: Ditto.
18561 * java/buffer.c: Ditto.
18562 * java/lang.c: Ditto.
18563 * java/parse-scan.y: Ditto.
18564 * java/lex.c: Ditto.
18565 * java/lex.h: Ditto.
18566 * cfgloopmanip.c: Ditto.
18567 * postreload-gcse.c: Ditto.
18568 * tree-ssa-loop-manip.c: Ditto.
18569 * postreload.c: Ditto.
18570 * tree-ssa-loop-ch.c: Ditto.
18573 * cppspec.c: Ditto.
18574 * diagnostic.c: Ditto.
18576 * genoutput.c: Ditto.
18578 * cfghooks.c: Ditto.
18579 * cfgloopanal.c: Ditto.
18580 * objc/objc-act.c: Ditto.
18582 * genextract.c: Ditto.
18583 * genautomata.c: Ditto.
18584 * pretty-print.c: Ditto.
18585 * genemit.c: Ditto.
18586 * cgraphunit.c: Ditto.
18588 * df-scan.c: Ditto.
18589 * haifa-sched.c: Ditto.
18590 * dominance.c: Ditto.
18592 * tree-ssa-loop-ivopts.c: Ditto.
18593 * df-core.c: Ditto.
18594 * mode-switching.c: Ditto.
18595 * modulo-sched.c: Ditto.
18597 * ipa-pure-const.c: Ditto.
18599 * fix-header.c: Ditto.
18601 * tree-stdarg.c: Ditto.
18602 * ipa-utils.c: Ditto.
18603 * loop-init.c: Ditto.
18604 * ipa-inline.c: Ditto.
18605 * cfganal.c: Ditto.
18607 * alloc-pool.c: Ditto.
18608 * dwarf2out.c: Ditto.
18610 * genattrtab.c: Ditto.
18611 * tree-ssa-loop-ivcanon.c: Ditto.
18612 * predict.c: Ditto.
18613 * timevar.c: Ditto.
18615 * fortran/gfortranspec.c: Ditto.
18616 * regmove.c: Ditto.
18617 * local-alloc.c: Ditto.
18618 * langhooks.c: Ditto.
18619 * function.c: Ditto.
18620 * tree-vectorizer.c: Ditto.
18622 * ipa-type-escape.c: Ditto.
18624 * tree-if-conv.c: Ditto.
18625 * profile.c: Ditto.
18627 * tree-data-ref.c: Ditto.
18628 * loop-unroll.c: Ditto.
18629 * treelang/treetree.c: Ditto.
18631 * bt-load.c: Ditto.
18632 * ggc-common.c: Ditto.
18634 * coverage.c: Ditto.
18636 * tree-cfgcleanup.c: Ditto.
18637 * tree-ssa-pre.c: Ditto.
18638 * cfgcleanup.c: Ditto.
18639 * loop-invariant.c: Ditto.
18640 * loop-iv.c: Ditto.
18641 * ipa-prop.c: Ditto.
18642 * print-tree.c: Ditto.
18643 * conflict.c: Ditto.
18644 * ggc-page.c: Ditto.
18645 * sched-deps.c: Ditto.
18646 * regclass.c: Ditto.
18647 * tree-object-size.c: Ditto.
18648 * combine.c: Ditto.
18649 * bb-reorder.c: Ditto.
18650 * resource.c: Ditto.
18651 * var-tracking.c: Ditto.
18652 * cfgloop.c: Ditto.
18653 * df-problems.c: Ditto.
18654 * reg-stack.c: Ditto.
18656 * gccspec.c: Ditto.
18657 * sched-rgn.c: Ditto.
18658 * tree-ssa-structalias.c: Ditto.
18659 * tree-ssa-reassoc.c: Ditto.
18660 * config/darwin-c.c: Ditto.
18661 * config/darwin.c: Ditto.
18662 * config/arm/arm.c: Ditto.
18664 * collect2.c: Ditto.
18665 * reload1.c: Ditto.
18667 2006-01-31 Nicolas Pitre <nico@cam.org>
18669 * arm.md (smaxsi3): Make aware of smax_m1.
18672 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18674 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18676 2006-01-31 Richard Guenther <rguenther@suse.de>
18678 * doc/invoke.texi (-msselibm): Document.
18679 * target.h (expand_library_builtin): New target hook.
18680 * builtins.c (expand_builtin): Use expand_library_builtin.
18681 (default_expand_library_builtin): New function.
18682 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18683 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18684 (link_gcc_math_spec): Declare.
18685 (static_specs): Add link_gcc_math_spec.
18686 * expr.h (default_expand_library_builtin): Declare.
18687 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18688 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18689 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18690 * config/i386/i386.opt (msselibm): New target option.
18691 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18692 (ix86_init_sse_abi_builtins): New function.
18693 (ix86_expand_library_builtin): Likewise.
18694 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18695 (override_options): Handle error conditions wrt -msselibm.
18696 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18697 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18698 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18701 2006-01-31 Richard Guenther <rguenther@suse.de>
18702 Paolo Bonzini <bonzini@gnu.org>
18704 * doc/install.texi (--disable-libgcc-math): Document.
18706 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18708 * expr.h (expand_normal): new inline function.
18709 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18710 * dojump.c: use it.
18711 * dwarf2out.c: use it.
18714 * expmed.c: use it.
18715 * except.c: use it.
18716 * config/sparc/sparc.c: use it.
18717 * config/i386/i386.c: use it.
18718 * config/rs6000/rs6000.c: use it.
18719 * config/arm/arm.c: use it.
18720 * config/mips/mips.c: use it.
18721 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18723 2006-01-30 Roger Sayle <roger@eyesopen.com>
18725 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18726 argv to the appropriate type.
18728 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18730 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18733 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18736 * config/s390/s390.c (struct machine_function): New flag
18737 decomposed_literal_pool_addresses_ok_p.
18738 (s390_reorg): Set it before final stage of literal pool transforms.
18739 (s390_decompose_address): Only accept displacements of the form
18740 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18742 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18744 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18745 the comparison routine return.
18747 2006-01-30 Michael Matz <matz@suse.de>
18749 * global.c (find_reg): Only evict for global regs.
18750 Take n_refs into account and dump more info.
18752 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18755 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18756 (pragma_trap, pragma_nosave_low_regs): Likewise.
18757 (current_function_anonymous_args): Likewise.
18758 (sh_deferred_function_attributes): New variable.
18759 (sh_deferred_function_attributes_tail): Likewise.
18760 (print_operand): For '@', look up trap_exit attribute.
18761 (calc_live_regs): Look up trapa_handler attribute. For trapa
18762 handlers, save/restore fpscr, but don't do any other
18763 interrupt-specific saves.
18764 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18765 Fix check for partially saved registers to check for SHmedia.
18766 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18767 (sh_output_function_epilogue): Don't clear any of the removed
18769 (sh_insert_attributes): Don't check pragma_interrupt.
18770 Insert deferred attributes. Check that interrupt attribute is
18771 present for other attributes that require its presence.
18772 (sh_attribute_table): Add new attributes trapa_handler and
18774 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18775 Don't check for pragma_interrupt. Don't store argument.
18776 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18777 (sh_deferred_function_attributes): Declare.
18778 (sh_deferred_function_attributes_tail): Likewise.
18779 * sh.md (sp_switch_1): Add operand. Change generator caller.
18780 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18781 (*return_i): Don't use when trap_exit attribute is in effect.
18782 (*return_trapa): New insn pattern.
18783 * sh-c.c: New file.
18784 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18785 setting c_target_objs and cxx_target_objs.
18786 * t-sh: Add rule for sh-c.o.
18788 2006-01-30 Richard Guenther <rguenther@suse.de>
18791 * gimplify.c (gimplify_target_expr): Handle easy cases
18792 without creating a temporary.
18794 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18796 * vec.h (safe_grow): Remove duplicated line.
18798 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18801 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18802 (expand_omp): ... here.
18803 (expand_omp_parallel): Only remove barriers for combined
18804 parallel+workshare constructs.
18806 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18810 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18811 * tree.c (build_qualified_type): Chain the new type to the original
18812 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18813 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18814 (build_pointer_type_for_mode): Only return unqualified types.
18815 (build_reference_type_for_mode): Likewise.
18817 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18819 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18820 * Makefile.in (CXX_COMPAT_WARN): Define.
18821 * configure: Regenerate.
18823 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18826 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18829 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18831 * toplev.c: Fix thinko.
18833 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18834 Marcin Dalecki <martin@dalecki.de>
18836 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18837 (push_srcloc): Use XNEW.
18838 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18840 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18842 * df-core.c (df_set_blocks): Deleted all variable.
18844 2006-01-28 Ian Lance Taylor <ian@airs.com>
18846 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18847 cgraph_output_pending_asms.
18849 2006-01-28 Zack Weinberg <zackw@panix.com>
18851 * c.opt: Add -W(no-)overlength-strings.
18852 * doc/invoke.texi: Document it.
18853 * c-opts.c (c_common_handle_option): -pedantic implies
18854 -Woverlength-strings, if not explicitly disabled already.
18855 (c_common_post_options): -Woverlength-strings defaults to off, and
18856 is always off for C++.
18857 * c-common.c (fix_string_type): Issue warning about strings longer
18858 than is portable only if warn_overlength_strings. Rearrange code
18859 a little for clarity.
18860 * configure.in: Check for -Wno-overlength-strings as well before
18861 enabling -pedantic in stage 1.
18862 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18863 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18865 * genconditions.c (write_header, write_one_condition)
18866 (write_conditions, write_writer): Consolidate very long strings
18867 that were broken up to fit in C89 portable limit. Don't use
18868 printf when fputs will do.
18870 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18872 * combine.c (simplify_comparison <AND>): Check
18873 TRULY_NOOP_TRUNCATION before start using a subreg.
18875 * config/mips/mips.md (*branch_zero<mode>,
18876 *branch_zero<mode>_inverted, *branch_equality<mode>,
18877 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18878 Remove mode check from comparisons.
18880 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18882 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18884 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18886 * expmed.c (const_mult_add_overflow_p): Remove.
18887 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18889 * recog.c (validate_replace_rtx_subexp): Remove.
18890 * recog.h: Remove the prototype for
18891 validate_replace_rtx_subexp.
18893 * integrate.h: Remove the prototype for
18894 copy_decl_for_inlining.
18895 * rtl.h: Remove the prototype for mark_constant_function.
18896 * tree-vectorizer.h: Remove the prototype for
18897 vect_strip_conversion.
18899 * modulo-sched.c (create_partial_schedule,
18900 free_partial_schedule, reset_partial_schedule): Make them
18903 * hooks.c (hook_bool_rtx_int_false): Remove.
18904 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18906 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18908 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18909 and -mlong-double-128 are incompatible.
18910 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18911 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18912 (TARGET_LIBGCC2_CFLAGS): Define.
18913 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18914 (TARGET_LIBGCC2_CFLAGS): Same.
18915 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18917 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18920 * c-typeck.c (build_binary_op): Perform implicit casts of
18921 operands before shortening them.
18923 * cfgloopmanip.c (split_loop_bb): Remove.
18924 * cfgloop.h: Remove the prototype for split_loop_bb.
18926 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18927 * cfgloop.h: Remove the prototype for
18928 flow_loop_outside_edge_p.
18930 * emit-rtl.c (init_virtual_regs): Make it static.
18931 * function.h: Remove the prototype for init_virtual_regs.
18933 * recog.c (peephole2_optimize): Make it static.
18934 * recog.h: Remove the prototype for peephole2_optimize.
18936 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18938 * df-scan.c (df_record_entry_block_defs): Check if
18939 INCOMING_RETURN_ADDR_RTX is defined.
18941 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18942 Kenneth Zadeck <zadeck@naturalbridge.com>
18944 PR rtl-optimization/24762
18945 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18946 * targhooks.c (hook_void_bitmap): New hook prototype.
18947 * targhoohs.h (hook_void_bitmap): Ditto.
18948 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18949 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18950 * target.h (live_on_entry): New function pointer.
18951 * df-scan.c (df_all_hard_regs): Removed.
18952 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18953 (df_scan_free_internal): Added df->entry_block_defs.
18954 (df_scan_alloc): Ditto.
18955 (df_scan_dump): Ditto.
18956 (df_uses_record): Plumbed flag field properly thru calls.
18957 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18958 This part fixes PR24762.
18959 (df_bb_refs_record): Added code to make the frame and arg
18960 pointers live in EH blocks.
18961 (df_refs_record): Added call to df_record_entry_block_defs.
18962 (df_record_entry_block_defs): New function.
18963 * df-core.c: Added comments to describe new artifical defs.
18964 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18965 (entry_block_defs): New field in struct df.
18966 (df_all_hard_regs): Deleted.
18967 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18968 * df-problems.c (df_ru_bb_local_compute_process_def):
18969 Added code to handle artifical defs in the entry to a function.
18970 (df_ru_bb_local_compute): Ditto.
18971 (df_rd_bb_local_compute_process_def): Ditto.
18972 (df_rd_bb_local_compute): Ditto.
18973 (df_lr_bb_local_compute): Ditto.
18974 (df_ur_bb_local_compute): Ditto.
18975 (df_urec_bb_local_compute): Ditto.
18976 (df_chain_create_bb): Ditto.
18977 (df_ur_local_finalize): Removed entry.
18978 (df_urec_init): Ditto.
18979 (df_urec_local_finalize): Ditto.
18980 (df_ri_bb_compute): Added detection of last use of pseudos.
18981 * Makefile.in (df-scan.o): Updated dependencies.
18982 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18983 * config/mips/mips.c (mips_set_live_on_entry): Added.
18984 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18986 * dce.c (marked_insn_p): Added code to handle artifical defs.
18988 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18990 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18992 (_mm_cvtsi128_si64): Likewise.
18993 (_mm_cvtsd_si64): Likewise.
18994 (_mm_cvttsd_si64): Likewise.
18995 (_mm_cvtsi64_sd): Likewise.
18996 (_mm_cvtsi64_si128): Likewise.
18997 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18998 (_mm_cvtsi64_m64): Likewise.
18999 (_m_to_int64): Likewise.
19000 (_mm_cvtm64_si64): Likewise.
19001 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19002 (_mm_cvttss_si64): Likewise.
19003 (_mm_cvtsi64_ss): Likewise.
19004 (_mm_cvtss_f32): Likewise.
19006 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19008 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19009 for pragma redefine_extname.
19011 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19014 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19015 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19016 -mno-minimal-toc to previous content.
19017 (bispecs): Remove goal.
19018 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19019 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19020 compatibility aliases on powerpc-*-*gnu*.
19021 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19022 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19023 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19024 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19025 (ldblspecs): New goal.
19026 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19027 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19029 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19030 L_sf_to_tf or L_df_to_tf is defined.
19032 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19033 Alan Modra <amodra@bigpond.net.au>
19036 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19037 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19038 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19039 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19040 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19041 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19042 (rs6000_override_options): Initialize rs6000_ieeequad.
19043 Initialize TFmode format to ibm_extended_format if not
19045 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19047 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19048 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19049 (function_arg_advance): IBM long double passed in two FPRs, not
19051 (function_arg): IBM long double passed in FPRs.
19052 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19053 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19054 Only multireg GPR aligned.
19055 (rs6000_init_libfuncs): Enable IBM long double functions if not
19057 (rs6000_generate_compare): Use IBM long double compare if not
19059 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19060 (TARGET_IEEEQUAD): Define.
19061 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19062 not TARGET_IEEEQUAD.
19063 * config/rs6000/rs6000.md: Enable TFmode patterns if
19065 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19066 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19067 and -mlong-double-128 are incompatible.
19068 * doc/invoke.texi (-mabi): Collect options together. Add
19069 ibmlongdouble and ieeelongdouble.
19071 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19073 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19075 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19076 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19077 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19078 * rtl.h (rtunion_def): Remove rt_ptr.
19080 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19081 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19082 * config/i386/winnt.c (i386_pe_mark_dllexport)
19083 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19085 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19087 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19089 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19093 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19094 pthread_key_delete. From John David Anglin. gthrw-ify
19095 pthread_getunique_np only if it it's not a macro. Delete
19097 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19098 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19099 __gthread_objc_condition_signal, __gthread_key_delete): Add
19100 "__attribute__ ((__unused__))" to unused arguments.
19101 (__gthread_recursive_mutex_init_function): Add missing return.
19102 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19103 gthr-posix95.h: Use macro-based approach for name redirection
19104 on targets missing weakref.
19106 2006-01-26 Zack Weinberg <zackw@panix.com>
19108 * genconditions.c (write_header): In generated code, #ifdef out
19109 all includes and fake declarations, except includes of bconfig.h
19110 and system.h, unless GCC_VERSION >= 3001. Do not include
19111 gensupport.h in any case.
19112 (write_conditions): Generate a definition of struct c_test. Add
19113 a comment to the generated #endif.
19114 (write_one_condition): Escape backslashes in string too.
19115 (write_writer): Generated code must escape backslashes and quote
19116 marks (but not newlines) in the strings it writes.
19117 * Makefile.in (build/gencondmd.o): Update dependencies.
19119 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19122 * Makefile.in (insn-automata.o): Add header file dependencies.
19123 * genautomata.c: Add includes.
19125 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19128 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19130 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19132 * configure.ac: Expect target tools paths to be passed from the toplevel
19133 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19135 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19137 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19140 * c.opt (Wpointer-sign): Init to -1.
19141 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19142 OPT_pedantic, to 0 otherwise.
19143 * doc/invoke.texi: Update.
19145 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19147 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19148 constants provided by 80387 instructions in the destination mode.
19150 2006-01-26 Richard Guenther <rguenther@suse.de>
19151 Andrew Pinski <pinskia@physics.uc.edu>
19154 partial PR tree-opt/17064
19155 * tree-ssa-structalias.c (intra_create_variable_infos):
19156 Create heap variables for incoming parameters if
19157 flag_argument_noalias > 1.
19158 (find_what_p_points_to): Look through default defs of
19161 2006-01-26 Jeff Law <law@redhat.com>
19164 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19165 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19166 within the VR_RANGE, use the VR_RANGE as the result, not the
19168 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19169 bounds for the type.
19171 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19173 * tree-ssa-alias.c (maybe_create_global_var): Change
19174 subvar walking to an assertion that we don't have subvar'd variables.
19176 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19179 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19180 Use a new variable, inner. PARM_DECLs are always non-weak.
19182 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19184 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19185 --disable-checking.
19187 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19189 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19191 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19193 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19194 (smax_insn, smin_insn, smax_0, smin_0): New.
19196 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19199 * config/cris/cris.c (cris_order_for_addsi3): New function.
19200 * config/cris/cris-protos.h: Prototype it.
19201 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19202 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19203 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19204 (split for "op.S1 [rx=rx+i],ry (swapped)")
19205 (split for "op(s|u).S1 [rx=rx+i],ry")
19206 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19207 Apply cris_order_for_addsi3 when generating addsi3 insns.
19209 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19211 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19212 (TREE_BLOCK): Add call to EXPR_CHECK.
19214 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19217 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19218 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19219 (dump_omp_clauses): ... here.
19220 (dump_generic_node): Handle OMP_CLAUSE.
19221 * tree.c (omp_clause_num_ops): New.
19222 (omp_clause_code_name): New.
19223 (tree_code_size): Handle OMP_CLAUSE.
19224 (tree_size): Likewise.
19225 (make_node): Document handling of OMP_CLAUSE.
19226 (tree_node_structure): Handle OMP_CLAUSE.
19227 (omp_clause_check_failed): New.
19228 (omp_clause_range_check_failed): New.
19229 (omp_clause_operand_check_failed): New.
19230 (build_omp_clause): New.
19231 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19232 * tree.h (enum omp_clause_code): Declare.
19233 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19234 (OMP_CLAUSE_RANGE_CHECK): Define.
19235 (OMP_CLAUSE_ELT_CHECK): Define.
19236 (omp_clause_check_failed): Declare.
19237 (omp_clause_operand_check_failed): Declare.
19238 (omp_clause_range_check_failed): Declare.
19239 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19240 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19241 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19242 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19243 (OMP_CLAUSE_IF_EXPR): Likewise.
19244 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19245 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19246 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19247 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19248 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19249 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19250 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19251 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19252 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19253 (OMP_CLAUSE_CODE): Define.
19254 (OMP_CLAUSE_SET_CODE): Define.
19255 (OMP_CLAUSE_CODE): Define.
19256 (OMP_CLAUSE_OPERAND): Define.
19257 (struct tree_omp_clause): Declare.
19258 (union tree_node): Add field 'omp_clause'.
19259 * treestruct.def (TS_OMP_CLAUSE): Define.
19260 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19261 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19262 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19263 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19264 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19265 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19266 (OMP_CLAUSE): Define.
19267 * print-tree.c (print_node): Handle OMP_CLAUSE.
19268 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19269 * c-typeck.c: Likewise.
19270 * gimplify.c: Likewise.
19271 * c-omp.c: Likewise.
19272 * tree-nested.c: Likewise.
19273 * tree-inline.c: Likewise.
19274 * c-parser.c: Likewise.
19275 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19278 2006-01-25 Roger Sayle <roger@eyesopen.com>
19280 PR rtl-optimization/25703
19281 * combine.c (try_combine): Handle zero_extract and strict_low_part
19282 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19284 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19286 * global.c: Fix comment typos.
19288 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19291 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19292 Use output_addr_const instead of assemble_name.
19294 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19296 * Makefile.in (sched-vis.o): Update dependencies.
19297 * haifa-sched.c (sched_finish): Clear current_sched_info.
19298 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19299 (dump_flow_info): Call it.
19300 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19302 * basic-block.h (dump_bb_info): Declare.
19303 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19304 option, and apply options only for dump files whose TDF_RTL,
19305 TDF_TREE, or TDF_IPA bits match.
19306 * rtl.h: Declare new functions exported from sched-vis.c.
19307 * sched-vis.c: Enable also if scheduling is not used.
19308 (print_value): Print the mode of registers if not inside scheduling.
19309 (print_insn): Make it work outside the scheduler. Beautify the output
19311 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19313 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19315 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19316 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19317 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19318 depending on the value of CONSTANT_POOL_ADDRESS_P.
19319 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19321 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19322 rather than SYMBOL_REF_DECL.
19323 (rtx_constant_pool): Remove const_rtx_sym_htab.
19324 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19325 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19326 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19327 Remove handling of const_rtx_sym_htab.
19328 (find_pool_constant): Delete.
19329 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19330 rather than find_pool_constant.
19331 (get_pool_constant_for_function): Delete.
19332 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19333 find_pool_constant.
19334 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19335 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19336 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19337 (SYMBOL_REF_CONSTANT): New macro.
19338 (get_pool_constant_for_function): Delete.
19339 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19340 rather than SYMBOL_REF_DECL.
19341 (i386_pe_mark_dllimport): Likewise.
19342 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19343 rather than SYMBOL_REF_DECL.
19344 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19345 (machopic_indirect_call_target): Likewise.
19347 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19349 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19351 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19353 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19355 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19357 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19359 2006-01-24 David Daney <ddaney@avtrex.com>
19362 * configure.ac (enable_tls): New enable option.
19363 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19364 * configure: Regenerate.
19365 * doc/install.texi (--enable-tls): Document new option.
19366 (--disable-tls): Ditto.
19368 2006-01-24 Richard Henderson <rth@redehat.com>
19370 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19371 * alias.c (true_dependence): Respect it.
19372 (canon_true_dependence, write_dependence_p): Likewise.
19373 * builtins.c (get_builtin_sync_mem): Set it.
19375 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19377 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19380 2006-01-24 DJ Delorie <dj@redhat.com>
19382 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19383 for storing constants in single-bit bitfields.
19385 2006-01-25 Ben Elliston <bje@au.ibm.com>
19387 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19389 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19392 * tree-ssa-pre.c (phi_translate): Return NULL
19393 for AGGREGATE_TYPE's.
19395 2006-01-24 Zack Weinberg <zackw@panix.com>
19397 * genautomata.c (process_state_for_insn_equiv_partition):
19398 Use xcalloc for insn_arcs_array.
19399 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19400 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19402 2006-01-24 Richard Henderson <rth@redhat.com>
19404 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19405 update all callers.
19407 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19409 PR rtl-optimization/25890
19410 PR rtl-optimization/25905
19411 * combine.c (expand_compound_operation, expand_field_assignment):
19412 Fail if the bitfield's final position is out of bounds.
19414 2006-01-24 Ian Lance Taylor <ian@airs.com>
19416 PR middle-end/25930
19417 * cgraphunit.c (cgraph_output_in_order): Don't clear
19418 cgraph_asm_nodes until after asm strings have been output.
19420 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19422 * fix-header.c (read_scan_file): Add new parameter imultilib when
19423 calling register_include_chains.
19425 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19427 * omp-low.c: Update documentation.
19429 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19430 Daniel Berlin <dberlin@dberlin.org>
19434 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19435 return from the function.
19437 2006-01-22 Zack Weinberg <zackw@panix.com>
19439 * rtl.def (match_code): Add second argument.
19440 * genpreds.c (write_extract_subexp): New function.
19441 (write_match_code): Add path argument. Use write_extract_subexp.
19442 (write_predicate_expr): Pass path to write_match_code.
19443 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19444 not perform a mode test.
19445 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19446 a subexpression does not constrain the top-level code set.
19447 * read-rtl.c (read_rtx_variadic): New function.
19448 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19449 * doc/md.texi: Document new notation.
19450 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19451 (cmpsi_operand): ... here, using new notation.
19453 2006-01-22 Zack Weinberg <zackw@panix.com>
19455 * varray.c: Remove GENERATOR_FILE #ifdefs.
19457 2006-01-22 Zack Weinberg <zackw@panix.com>
19459 * genautomata.c (output_reserved_units_table): Emit nothing if
19460 description->query_units_num is zero. Remove extra blank line.
19461 (output_cpu_unit_reservation_p): Short circuit
19462 if description->query_units_num is zero.
19464 2006-01-22 Zack Weinberg <zackw@panix.com>
19466 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19467 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19468 nor any of the random handful of variables that used to be necessary
19469 when this program was linked with rtlanal.o. Prune set of forward
19470 function declarations.
19471 (struct attr_desc): Remove static_p field.
19472 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19473 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19474 (attr_string): Do not read the character one past the length of
19476 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19477 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19478 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19479 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19480 (make_automaton_attrs): New.
19481 (main): Do not call into genautomata. Call local gen_bypass
19482 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19483 Remove special case for insn_alts.
19484 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19485 varray.h (leftover from previous change). Prune set of forward
19486 function declarations. Remove state_alts fields from all
19487 structures. Remove state_alts_table from struct automaton.
19488 Make everything except main static. Do not maintain num_dfa_decls.
19489 Do not maintain state_alts fields of various structures.
19490 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19491 (add_arc): Remove state_alts argument. All callers updated.
19492 (output_reserved_units_table): Emit #ifdef here...
19493 (output_tables): ...not here. Don't generate state_alts tables.
19494 (expand_automata): Don't generate attributes.
19495 (write_automata): Don't generate state_alts functions.
19496 (main): New function.
19497 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19498 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19499 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19500 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19501 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19502 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19503 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19504 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19506 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19507 * genattrtab.h: Delete file.
19508 * Makefile.in (OBJS-common): Add insn-automata.o.
19509 (insn-automata.o): New rule.
19510 (simple_generated_c): Add insn-automata.c.
19511 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19512 (genprogmd): Add automata.
19513 (build/genattrtab): Needs no extra objects nor libraries.
19514 (build/genautomata): Needs build/vec.o and -lm.
19516 2006-01-22 Zack Weinberg <zackw@panix.com>
19518 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19519 (output_dfa_max_issue_rate, locked_states_num): Delete.
19520 (struct automaton): Add locked_states field.
19521 (output_dead_lock_vect): Save number of locked states in
19522 automaton->locked_states. If it is zero, don't print anything.
19523 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19524 (output_internal_dead_lock_func): Only test the dead_lock_vect
19525 for automata that have locked states.
19526 (output_statistics): Always print the number of locked states for
19527 each automaton. Calculate total number of locked states here.
19528 (write_automata): Don't call output_dfa_max_issue_rate.
19529 * genattrtab.c: Define length_unit_log as a const variable.
19530 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19531 max_insn_queue_index const.
19532 * final.c (length_unit_log): Declare const.
19533 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19535 2006-01-22 Zack Weinberg <zackw@panix.com>
19537 * genautomata.c: Include vec.h, not varray.h.
19538 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19539 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19540 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19541 VEC_* macros operating on appropriately typed vectors, or to
19542 malloced arrays when the size is known in advance. Const-ify
19543 many char* variables and function arguments. No functional changes.
19544 * Makefile.in (build/varray.o): Delete rule.
19545 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19546 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19548 2006-01-22 Zack Weinberg <zackw@panix.com>
19550 * gensupport.c: Define get_insn_name and record_insn_name here.
19551 (read_md_rtx): Call record_insn_name as appropriate.
19552 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19553 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19554 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19556 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19557 (BUILD_VARRAY): Delete.
19558 (genprognormal): Rename genprogmd. Fold in all programs from
19559 genprognoprint; also attrtab.
19560 (build/genattrtab): Just mention genautomata.o and varray.o.
19561 Reorganize a bit, add comments to make the categories clearer.
19563 2006-01-22 Zack Weinberg <zackw@panix.com>
19565 * genconditions.c (condition_table, add_condition): Delete.
19566 (write_conditions): Don't emit n_insn_conditions nor
19567 insn_elision_unavailable. Issue the gcc version #ifdef here,
19568 inside the table, with no #else clause ...
19569 (write_header): ...not here.
19570 (write_writer): New function.
19571 (main): Don't initialize condition_table. Use add_c_test.
19573 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19574 files on the command line.
19575 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19576 Return -1 if there is no entry in the table, don't abort.
19577 (add_c_test, traverse_c_tests): New functions.
19578 * gensupport.h (insn_elision_unavailable, insn_conditions)
19579 (n_insn_conditions): Delete declarations.
19580 (add_c_test, traverse_c_tests): Declare.
19581 * read-rtl.c: Include gensupport.h.
19582 (read_conditions): New function.
19583 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19584 (read_rtx_1): If we get EOF when we were looking for an initial
19585 open paren, return 0. Call read_conditions when appropriate.
19586 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19587 dummy-conditions.o. Eliminate references to insn-conditions.o,
19588 or change them to build/gencondmd.o, as appropriate. Remove
19589 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19590 from $(simple_generated_c). For all files remaining in those
19591 two lists, add insn-conditions.md to the generator command line.
19592 Give insn-constants.h/s-constants their own rules. Add rules
19593 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19594 (build/read-rtl.o): Depend on gensupport.h.
19595 (genprognormal): Include preds.
19596 (genprogearly): Rename genprognoprint; only difference is now that
19597 they don't link with $(BUILD_PRINT).
19598 * dummy-conditions.c: Delete.
19600 2006-01-22 Zack Weinberg <zackw@panix.com>
19602 * genextract.c: Don't include insn-config.h. Do include vec.h.
19603 Declare vectors of int, char, and locstr.
19604 (locstr): New typedef.
19605 (struct extraction): Make all array fields into bare pointers.
19606 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19607 (insn_code_number): Delete.
19608 (accum_extract): New struct.
19609 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19610 (gen_insn): Take insn_code_number as an argument. Use an
19611 accum_extract structure instead of loading data directly into
19612 a struct extraction, and having to know how big it might get.
19613 (walk_rtx): Operate entirely on an accum_extract structure.
19614 (print_path): Avoid unnecessary use of printf.
19615 (print_header): New function, split out of main. Distinguish
19616 more carefully between an unrecognizable insn and an insn that
19617 has the code number of a define_expand.
19618 (main): Pass insn_code_number to gen_insn. Call print_header
19619 only after parsing. Avoid unnecessary use of printf.
19620 * Makefile.in (build/vec.o): New rule.
19621 (build/genextract): Depend on build/vec.o.
19622 (build/genextract.o): Don't depend on insn-config.h.
19624 2006-01-22 Zack Weinberg <zackw@panix.com>
19626 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19627 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19628 practical. Eliminate per-generator-program link rules.
19630 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19632 PR middle-end/24437
19633 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19634 with a call expr to ...
19635 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19637 2006-01-23 Richard Guenther <rguenther@suse.de>
19639 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19640 before make_edge with conditional EDGE_TRUE_VALUE.
19642 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19643 Jan Hubicka <jh@suse.cz>
19644 Richard Guenther <rguenther@suse.de>
19646 PR rtl-optimization/25654
19647 * cfgexpand.c (aggregate_contains_union_type): New function.
19648 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19649 for structure variables that contain a union type.
19651 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19653 * gengtype.c (new_structure): Return the structure.
19654 (create_option): Add an extra "next" argument.
19655 (create_field): New function.
19656 (adjust_field_rtx_def): Use create_option and create_field.
19657 Remove a now-unnecessary call to find_structure.
19658 (adjust_field_tree_def): Likewise.
19659 (note_yacc_type): Remove an unnecessary call to find_structure.
19660 * gengtype.h (new_structure): Return the structure.
19661 (create_option): Add an extra argument.
19662 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19663 (option): Adjust calls to create_option.
19665 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19667 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19669 2006-01-22 Paul Brook <paul@codesourcery.com>
19670 Peter Barada <peter@the-baradas.com>
19672 * config/m68k/m68k.md: Add Coldfire FPU support.
19673 Define FP mode macro and associated attributes.
19674 Use it for float mode patterns.
19675 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19676 (LIBCALL_VALUE): Use m68k_libcall_value.
19677 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19678 (m68k_function_value): Ditto.
19679 (emit_move_sequence): Ditto.
19680 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19681 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19682 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19683 (MULTILIB_EXCEPTIONS): Ditto.
19684 * config/m68k/m68k.opt: Add mcfv4e.
19685 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19686 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19687 (m68k_output_function_prologue): Save ColdFire FPU registers.
19688 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19689 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19690 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19691 ColdFire FPU registers.
19692 (m68k_libcall_value, m68k_function_value): New functions.
19693 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19694 (LIBCALL_VALUE): Use m68k_libcall_value.
19695 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19696 (MASK_COLDFIRE): Add MASK_CFV4E.
19697 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19698 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19699 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19700 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19701 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19702 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19703 * doc/invoke.tex: Document -mcfv4e on m68k.
19705 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19707 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19710 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19713 * c-opts.c (c_common_handle_option): Don't include
19714 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19715 * doc/invoke.texi (C++ Dialect Options): Document that
19716 -Wnon-virtual-dtor is no longer included in -Wall.
19718 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19720 * gcov.c (print_version), gcov-dump.c (print_version),
19721 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19724 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19726 * df-scan.c (problem_SCAN): Added NULL reset function.
19727 (df_scan_reset_blocks): Added code to call reset block function
19728 (df_bb_refs_delete) Fixed comment.
19729 (df_insn_refs_delete): Made tolerant of deleting non existent info
19730 for dataflow problems that need to be reset.
19731 * df-core.c (df_set_blocks): Ditto.
19732 * df.h (struct df_problem): Added reset_fun.
19733 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19734 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19735 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19736 functions to clear out all references to def-use or use-def chains.
19738 2006-01-21 Ben Elliston <bje@au.ibm.com>
19740 * varasm.c (assemble_real): Initialise data array.
19742 2006-01-20 Paul Brook <paul@codesourcery.com>
19744 Merge from csl-arm-branch.
19745 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19746 * config/arm/arm.md (movdi): Force operands[1] to a register
19747 if we have a non-register source.
19748 (*arm_movdi, *movdf_soft_insn): Require that one of the
19749 operands be a register.
19750 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19751 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19753 2006-01-20 DJ Delorie <dj@redhat.com>
19755 * varasm.c (initializer_constant_valid_p): Allow pointers
19756 initialized from integer constants of lesser precision.
19757 (output_constant): Allow non-int-sized pointer modes to be
19758 initialized from integer constants.
19760 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19763 * cppdefault.h (struct default_include): Add multilib flag.
19764 * cppdefault.c (cpp_include_defaults): Set it.
19765 * c.opt (-imultilib): New option.
19766 * c-opts.c (imultilib): New.
19767 (c_common_handle_option): Handle -imultilib.
19768 (c_common_post_options): Likewise.
19769 * c-incpath.c (add_standard_paths, register_include_chains):
19771 * c-incpath.h (register_include_chains): Add extra parameter.
19772 * gcc.c (do_spec_1): Generate -imultilib option.
19773 (The Specs Language): Update %I description.
19774 (process_command): Update copyright notice.
19775 * doc/cppopts.texi (-imultilib): Document.
19776 * doc/invoke.texi (-imultilib): Include in option summary.
19777 (%I): Update specs documentation.
19779 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19781 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19783 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19785 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19788 2006-01-20 Richard Guenther <rguenther@suse.de>
19789 Steven Bosscher <stevenb.gcc@gmail.com>
19791 PR rtl-optimization/24626
19792 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19793 EDGE_TRUE_VALUE if in RTL mode.
19796 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19797 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19799 2006-01-20 Dirk Mueller <dmueller@suse.com>
19802 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19803 instead of a special NOP marker.
19804 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19805 NOP marker handling.
19806 * c-common.h (empty_body_warning): Add forward declaration.
19807 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19808 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19810 2006-01-20 Paul Brook <paul@codesourcery.com>
19812 * Makefile.in (lang_checks): Keep going if mkdir fails.
19814 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19816 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19817 be able to clean out basic block when not necessary.
19818 (df_scan_free): Fixed to properly delete information if df is
19819 unused before calling df_finish.
19820 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19821 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19823 (df_bb_refs_delete): New function.
19824 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19825 * df-core.c (df_set_blocks): Added code to properly clean out
19826 unused blocks if they are not part of the blocks to consider.
19827 Added additional null check.
19828 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19829 be able to clean out basic block when not necessary
19830 * df.h (df_free_bb_function): Ditto.
19831 (df_bb_refs_delete): New function.
19832 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19833 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19834 basic block parameter to be able to clean out basic block when not
19836 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19837 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19838 Fixed to properly delete information if df is unused before
19841 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19843 PR rtl-optimization/25799
19844 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19845 Corrected confluence operator to remove bits from op2 before oring
19846 with op1 rather than removing bits from op1.
19847 (df_ru_transfer_function): Corrected test on wrong bitmap which
19848 caused infinite loop. Both of these problems were introduced in
19849 the dataflow rewrite.
19851 2006-01-19 DJ Delorie <dj@redhat.com>
19853 * reload1.c (find_reload_regs): Note the details of reload
19854 failures in the dump file.
19855 (spill_failure): Likewise.
19857 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19859 * loop-iv.c: Include df.h and hashtab.h.
19860 (enum iv_grd_result): New enum.
19861 (DF_REF_IV, DF_REF_IV_SET): New macros.
19862 (struct biv_entry): New.
19863 (df, bivs): New global variables.
19864 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19865 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19867 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19868 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19869 analyzed_for_bivness_p, record_biv): New functions.
19870 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19871 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19872 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19874 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19876 (iv_number_of_iterations): Use new interface to iv analysis.
19877 * loop-unroll.c: Do not include varray.h.
19878 (analyze_iv_to_split_insn): Use new interface to iv
19880 * loop-unswitch.c (may_unswitch_on): Ditto.
19881 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19883 (df_bb_modify): Realloc tables to the new index.
19884 (df_find_use): New function.
19885 * df.h (df_find_use): Declare.
19886 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19888 * cfgloop.h (struct rtx_iv): Remove analysed field.
19889 (iv_get_reaching_def): Removed.
19890 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19891 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19892 (loop-iv.o): Add df.h and hashtab.h dependency.
19893 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19895 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19898 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19900 (__floatundisf, __floatundidf): Likewise.
19901 * libgcc2.h (IS_IBM_EXTENDED): Define.
19903 2006-01-19 DJ Delorie <dj@redhat.com>
19905 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19907 2006-01-19 Paul Brook <paul@codesourcery.com>
19909 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19910 as nothrow when unwinding tables are disabled.
19912 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19915 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19916 of bit-field" when in system header.
19918 2006-01-19 DJ Delorie <dj@redhat.com>
19920 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19921 the 16 bit shift limit of the m16c.
19923 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19926 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19927 * config/i386/i386.c (output_set_got): Output the label if we have one
19928 for the TARGET_DEEP_BRANCH_PREDICTION case.
19930 2006-01-19 Jan Hubicka <jh@suse.cz>
19931 H.J. Lu <hongjiu.lu@intel.com>
19932 Evandro Menezes <evandro.menezes@amd.com>
19934 * invoke.texi (generic): Document
19936 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19937 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19938 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19939 (x86_use_incdec, x86_pad_returns): New variables
19940 (TARGET_CPU_DEFAULT_generic): New constant
19941 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19942 (enum processor_type): Add generic32 and generic64.
19943 * i386.md (cpu attribute): Add generic32/generic64
19944 (movhi splitter): Behave sanely when both partial_reg_dependency and
19945 partial_reg_stall are set.
19946 (K8 splitters): Enable for generic as well.
19947 * predicates.md (incdec_operand): Use TARGET_INCDEC
19948 (aligned_operand): Avoid memory mismatch stalls.
19949 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19950 * ppro.md: Enable for generic32
19951 * i386.c (generic64_cost, generic32_cost): New.
19952 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19953 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19954 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19955 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19956 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19957 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19958 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19959 x86_accumulate_outgoing_args, x86_prologue_using_move,
19960 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19961 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19962 Enable for generic.
19963 (x86_use_incdec, x86_pad_returns): New.
19964 (override_options): Add generic32 and generic64, translate "generic"
19965 to generic32/generic64 and "i686" to "generic32", refuse
19966 "generic32"/"generic64" as arch target.
19967 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19968 (ix86_reorg): Honor PAD_RETURNS.
19970 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19972 * tree-pretty-print.c (dump_generic_node): Handle
19973 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19974 * cgraph.c (cgraph_expand_queue): Rename from
19975 cgraph_analyze_queue. Update all users.
19976 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19977 cgraph_expand_queue.
19978 (cgraph_expand_all_functions): Likewise.
19979 (cgraph_finalize_pending_functions): Remove. Update callers.
19981 * tree.h (OMP_DIRECTIVE_P): Define.
19982 (OMP_PARALLEL_FN): Define.
19983 (OMP_PARALLEL_DATA_ARG): Define.
19984 (OMP_SECTIONS_SECTIONS): Define.
19985 * tree-pass.h (pass_expand_omp): Declare.
19986 * omp-low.c (struct omp_region): Declare.
19987 (struct omp_context): Remove fields 'parallel_type',
19988 'parallel_start_ix' and 'parallel_start_additional_args'.
19990 (struct omp_for_data): Rename from struct expand_omp_for_data.
19991 (omp_regions): New static variable.
19992 (root_omp_region): New static variable.
19993 (find_omp_clause): Make static.
19994 (is_in_combined_parallel_ctx): Remove.
19995 (is_combined_parallel): New.
19996 (extract_omp_for_data): Move earlier in the file.
19997 (workshare_safe_to_combine_p): New.
19998 (get_ws_args_for): New.
19999 (determine_parallel_type): Move earlier in the file.
20000 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20002 (omp_copy_decl): Likewise.
20003 (create_omp_child_function): Likewise.
20004 (lookup_omp_region): New.
20005 (dump_omp_region): New.
20006 (debug_omp_region): New.
20007 (debug_all_omp_regions): New.
20008 (new_omp_region): New.
20009 (scan_omp_parallel): If parallel_nesting_level > 1, the
20010 directive is nested within another parallel directive.
20011 Set OMP_PARALLEL_FN.
20012 (scan_omp_for): Do not try to handle combined parallel+for
20014 Remove FIXME comment.
20015 (scan_omp_nested): Remove.
20016 (scan_omp_1): Do not call scan_omp_nested when
20017 parallel_nesting_level is > 1.
20018 Do not change the DECL_CONTEXT of local variables found.
20019 (lookup_decl_in_outer_ctx): New.
20020 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20021 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20022 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20023 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20024 If CTX is nested, lookup VAR in the outer context when
20025 building copy assignment.
20026 (lower_send_clauses): Rename from expand_send_clauses.
20027 If CTX is nested, lookup VAR in the outer context when
20028 building copy assignments.
20029 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20030 If CTX is nested, lookup VAR in the outer context when
20031 building copy assignments.
20032 (expand_parallel_call): Rename from build_parallel_call.
20033 Handle combined parallel+workshare cases.
20034 Re-implement to emit code into the CFG.
20036 (expand_omp_parallel): Re-implement to emit code into the CFG.
20037 Call move_sese_region_to_fn to outline the sub-graph
20038 containing the parallel region.
20039 (expand_omp_for_1): Remove.
20040 (expand_omp_for_generic): Re-implement to emit code into the
20042 (expand_omp_for_static_nochunk): Likewise.
20043 (expand_omp_for_static_chunk): Likewise.
20044 (expand_omp_for): Likewise.
20045 (expand_omp_sections): Likewise.
20046 (remove_exit_barriers): New.
20047 (expand_omp_synch): New.
20049 (build_omp_regions_1): New.
20050 (build_omp_regions): New.
20051 (execute_expand_omp): New.
20052 (gate_expand_omp): New.
20053 (pass_expand_omp): Define.
20054 (lower_omp_sections): Rename from expand_omp_sections.
20055 Set OMP_SECTIONS_SECTIONS.
20056 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20057 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20058 (lower_omp_single): Rename from expand_omp_simple.
20059 (lower_omp_master): Rename from expand_omp_master.
20060 (lower_omp_ordered): Rename from expand_omp_ordered.
20061 (lower_omp_critical): Rename from expand_omp_critical.
20062 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20063 (lower_omp_for): Re-implement.
20064 (lower_omp_parallel): Re-implement.
20065 (lower_regimplify): Rename from expand_regimplify.
20066 (lower_omp_1): Rename from expand_omp_1.
20067 If there are syntax errors in the program, replace every
20068 OpenMP directive with NOP.
20069 Call lower_omp_* instead of expand_omp_*.
20070 (lower_omp): Rename from expand_omp.
20072 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20073 * tree-gimple.h (enum omp_parallel_type): Remove.
20074 (gimple_boolify): Declare extern.
20075 (find_omp_clause, determine_parallel_type): Remove.
20077 * gimple-low.c (lower_omp_directive): New.
20078 (lower_stmt): Call it.
20079 (record_vars_into): Move from ...
20080 (record_vars): ... here.
20081 Call record_vars_into with current_function_decl.
20083 * gimplify.c (struct gimplify_ctx): Remove fields
20084 combined_pre_p and combined_ctxp. Update users.
20085 (get_formal_tmp_var): Add documentation.
20086 (gimple_boolify): Make extern.
20087 (gimplify_expr_in_ctx): Remove. Update callers.
20088 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20089 will always be a BIND_EXPR.
20090 (gimplify_expr): Handle OMP_RETURN_EXPR.
20091 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20092 (OMP_PARALLEL): Add 3 operands.
20093 (OMP_SECTIONS): Add 1 operand.
20094 (OMP_RETURN_EXPR): Define.
20096 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20097 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20098 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20099 creating a circular free list.
20100 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20102 * tree-flow.h (move_sese_region_to_fn): Declare.
20103 (record_vars_into): Declare.
20104 * tree-cfg.c (make_omp_sections_edges): New.
20105 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20106 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20107 OMP_SECTIONS and OMP_SECTION.
20108 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20109 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20110 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20111 (gather_blocks_in_sese_region): New.
20112 (struct move_stmt_d): Declare.
20113 (move_stmt_r): New.
20114 (move_block_to_fn): New.
20115 (move_sese_region_to_fn): New.
20117 * passes.c (init_optimization_passes): Schedule
20118 pass_expand_omp after pass_init_datastructures.
20120 * tree-ssa-operands.c (get_expr_operands): Handle
20121 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20122 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20124 2006-01-19 Jeff Law <law@redhat.com>
20126 * tree-vrp.c (extract_range_from_assert): Refine the result range
20127 if the variable referenced by the ASSERT_EXPR has a range and
20128 either the tentative result range or the previous range is a
20131 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20133 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20135 2006-01-19 Jan Hubicka <jh@suse.cz>
20137 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20139 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20141 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20142 (expand_compound_operation, expand_field_assignment): Fail if the
20143 bit lengths of an extract operation are out of range.
20144 (make_extraction): Compute wanted_inner_mode based on the position
20145 and length of the extraction. Make it extraction_mode for non-constant
20146 positions, and do not modify offset in that case. When generating a
20147 new MEM, use a mode that can hold the extraction while keeping correct
20148 alignment. Remove code that supported MEMs wrapped by USEs.
20149 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20151 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20153 * config/s390/s390.md ("Y", "y"): New mode attribute.
20154 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20155 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20156 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20157 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20158 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20159 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20160 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20161 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20162 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20163 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20164 "addsi3", "subsi3"): Insn patterns removed.
20165 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20166 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20167 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20168 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20169 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20170 "*sub<mode>3_cconly2"): New insn patterns.
20171 ("addsi3", "subsi3"): New expanders.
20173 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20175 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20176 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20177 existing STMT_VINFO_VECTYPE if available.
20178 (vect_mark_relevant): Add special handling for stmts that are
20179 marked as STMT_VINFO_IN_PATTERN_P.
20180 (vect_analyze_loop): Call vect_pattern_recog.
20181 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20182 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20184 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20185 (vect_recog_func_ptr): New function-pointer type.
20186 * tree-vect-patterns.c: New file.
20187 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20188 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20189 (vect_pattern_recog_1): New functions.
20190 (vect_pattern_recog_funcs): New array of function pointers.
20192 * tree-vectorizer.h (ternary_op): New enum value.
20193 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20194 declaration. Revised documentation. Removed redundant dump prints.
20195 Removed redundant argument. Added support for reduction patterns.
20196 (vectorizable_reduction): Added support for reduction patterns.
20197 (vect_transform_stmt): Added support for patterns.
20199 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20200 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20201 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20202 (expand_widen_pattern_expr): New function.
20203 (init_optabs): Initialize new optabs udot_prod_optab,
20205 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20206 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20207 (expand_widen_pattern_expr): New function declaration.
20208 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20210 * tree-inline.c (estimate_num_insns_1): Added cases for new
20211 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20212 * tree-pretty-print.c (dump_generic_node): Likewise.
20213 (op_prio): Likewise.
20214 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20215 * tree-ssa-operands.c (get_expr_operands): Added case for
20217 * tree-vect-patterns.c (widened_name_p): New function.
20218 (vect_recog_dot_prod_pattern): Added function implementation.
20219 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20220 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20221 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20222 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20224 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20225 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20226 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20227 (init_optabs): Initialize new optabs widen_ssum_optab,
20229 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20230 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20231 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20232 use instead of type of def.
20233 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20234 function implementation.
20235 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20236 widen_ssumv8hi): New.
20238 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20241 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20244 * c-decl.c (add_flexible_array_elts_to_size): New function.
20245 (finish_decl): Use it.
20247 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20249 * diagnostic.h: Include options.h.
20250 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20251 dependancies for diagnostic.h.
20252 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20254 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20256 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20257 (ssa_ro_call_cache_valid): Ditto.
20258 * tree-ssa-alias.c (sort_tags_by_id): New function.
20259 (init_transitive_clobber_worklist): Ditto.
20260 (add_to_worklist): Ditto.
20261 (mark_aliases_call_clobbered): Ditto.
20262 (compute_tag_properties): Ditto.
20263 (set_initial_properties): Ditto.
20264 (compute_call_clobbered): Ditto.
20265 (compute_may_aliases): Call compute_call_clobbered and grouping.
20266 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20267 (compute_flow_insensitive_aliasing): Grouping now happens in our
20269 (setup_pointers_and_addressables): Remove clobbering related code.
20270 (add_may_alias): Ditto.
20271 (replace_may_alias): Ditto.
20272 (get_nmt_for): Ditto.
20273 (create_global_var):
20274 (is_escape_site): Return an escape_type enumeration.
20275 * tree-flow-inline.h (is_call_clobbered): Global var does not
20276 imply call clobbered.
20277 (mark_call_clobbered): Take a reason for marking this. Remove
20278 marking of globalness, and cache invalidation.
20279 (clear_call_clobbered): Remove cache invalidation code.
20280 * tree-dfa.c (dump_variable): If details is on, dump the reason
20282 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20284 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20285 (struct var_ann_d): Ditto.
20286 (enum escape_type): New.
20287 (mark_call_clobbered): Adjust prototype.
20288 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20289 are never call clobbered.
20290 Record reasons for escaping.
20291 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20292 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20293 (ssa_ro_call_cache_valid): Ditto.
20294 (clobbered_v_may_defs): Ditto.
20295 (clobbered_vuses): Ditto.
20296 (ro_call_vuses): Ditto.
20297 (clobber_stats): New.
20298 (init_ssa_operands): Zero out clobber stats.
20299 (fini_ssa_operands): Print out clobber stats.
20300 (get_call_expr_operands): Pass callee fndecl to
20301 add_call_read_ops).
20302 (add_call_clobber_ops): Remove use of cache.
20303 Add use of PURE_CONST information.
20304 (add_call_read_ops): Remove use of cache.
20305 Add use of static not_read information.
20307 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20309 Introduce TLS descriptors for i386 and x86_64.
20310 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20311 (TARGET_ANY_GNU_TLS): New macro.
20312 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20313 (struct machine_function): Add tls_descriptor_call_expanded_p.
20314 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20315 (ix86_current_function_calls_tls_descriptor): Likewise.
20316 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20317 (override_options): Introduce gnu2 tls dialect.
20318 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20320 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20322 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20323 (ix86_init_machine_status): Initialize new field.
20324 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20325 (ix86_tls_module_base): New.
20326 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20327 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20328 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20329 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20330 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20331 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20332 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20333 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20334 * config/i386/predicates.md (tls_modbase_operand): New.
20335 (tp_or_register_operand): New.
20337 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20339 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20340 (look_for_address_of): Ditto.
20341 (ipa_init): Walk the function decls.
20342 (static_execute): Don't set readonly on FUNCTION_DECL's.
20344 2006-01-18 Roger Sayle <roger@eyesopen.com>
20346 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20347 for shifts where the source and destination registers are different.
20349 2006-01-18 Paul Brook <paul@codesourcery.com>
20351 Merge from csl-arm-branch.
20352 2005-03-14 Julian Brown <julian@codesourcery.com>
20353 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20354 (aeabi_llsl): Likewise.
20355 (ashrdi3): Likewise.
20356 (aeabi_lasr): Likewise.
20357 (lshrdi3): Likewise.
20358 (aeabi_llsr): Likewise.
20359 2005-03-10 Julian Brown <julian@codesourcery.com>
20360 * config.gcc: Disable shared libgcc for SymbianOS.
20361 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20363 2006-01-18 DJ Delorie <dj@redhat.com>
20365 * c-pragma.c (handle_pragma_diagnostic): New.
20366 (init_pragma): Register it.
20367 * doc/extend.texi: Document it.
20369 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20370 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20371 (diagnostic_context): Add classify_diagnostic[].
20372 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20373 as errors if they're overridden to DK_WARNING.
20374 (diagnostic_initialize): Initialize classify_diagnostic[].
20375 (diagnostic_set_kind_override): New.
20376 (diagnostic_report_diagnostic): Check for kind changes.
20377 * opts.c (common_handle_option): Take lang_mask. Update callers.
20378 Handle OPT_Werror_.
20379 * common.opt (Werror=): New.
20380 * doc/invoke.texi: Document -Werror=*
20382 2006-01-18 Jeff Law <law@redhat.com>
20384 * tree-vrp.c (test_for_singularity): Correct test for new
20385 min limit. Use operand_equal_p rather than pointer equality
20386 for testing if new min/max values are equal.
20388 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20389 using range information until after propagation and folding.
20391 2006-01-18 Richard Henderson <rth@redhat.com>
20392 Aldy Hernandez <aldyh@redhat.com>
20393 Jakub Jelinek <jakub@redhat.com>
20394 Diego Novillo <dnovillo@redhat.com>
20396 * omp-low.c: New file.
20397 * c-omp.c: New file.
20399 2006-01-18 Richard Henderson <rth@redhat.com>
20400 Jakub Jelinek <jakub@redhat.com>
20401 Diego Novillo <dnovillo@redhat.com>
20403 * doc/invoke.texi: Document -fopenmp.
20404 * tree-dump.h (debug_function): Declare.
20405 * hooks.c (hook_bool_tree_bool_false): New function.
20406 (hook_tree_tree_null): Remove.
20407 (hook_tree_tree_tree_null): New.
20408 * hooks.h: Update to match.
20409 * tree-pretty-print.c (debug_tree_chain): New.
20410 (print_generic_expr): Handle TDF_CHAIN.
20411 (dump_generic_node): Handle BLOCK.
20412 Do not abort with incomplete SWITCH_EXPRs.
20413 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20414 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20415 print space after directive name.
20416 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20417 Handle OMP_MASTER and OMP_ORDERED.
20418 Handle printing of OMP_BODY just in one place, goto
20419 dump_omp_body in the rest of OMP_* nodes that have
20421 Don't handle clause nodes here. Update omp statements to
20422 use dump_omp_clauses.
20423 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20424 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20425 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20426 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20427 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20428 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20429 Adjust output for GOMP_PARALLEL.
20430 (dump_omp_clauses): New.
20431 (print_declaration): Dump DECL_VALUE_EXPR.
20432 (op_symbol_1): Split out of op_symbol.
20433 (dumping_stmts): Remove. Update all users.
20434 * cgraph.c (cgraph_analyze_queue): New.
20435 (cgraph_add_new_function): New.
20436 * cgraph.h (cgraph_analyze_queue): Declare.
20437 (cgraph_add_new_function): Declare.
20438 (cgraph_lower_function): Remove.
20439 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20440 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20441 and TYPE_P nodes in its default clause.
20442 (empty_body_p): New.
20443 (tree_range_check_failed): New.
20444 (build5_stat): New.
20445 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20446 OMP_CLAUSE_REDUCTION_MERGE,
20447 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20448 OMP_CLAUSE_PRIVATE_DEBUG,
20449 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20450 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20451 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20452 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20453 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20454 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20455 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20456 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20457 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20458 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20459 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20460 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20461 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20462 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20463 (TREE_RANGE_CHECK): New.
20464 (empty_body_p): Declare.
20465 (enum omp_clause_default_kind): New.
20466 (build_string_literal): Declare.
20467 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20468 (build5_stat, build5): Declare.
20469 * tree-pass.h (TDF_CHAIN): Define.
20470 * tree-pass.h (PROP_gimple_lomp): Define.
20471 (pass_lower_omp): Declare.
20472 * diagnostic.h (debug_tree_chain): Declare.
20473 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20475 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20476 * builtins.c (build_string_literal): Make extern.
20477 * gcc.c (include_spec_function): New.
20478 (static_spec_functions): Add it.
20479 (main): Move load of libgomp.spec ...
20480 (LINK_COMMAND_SPEC): ... here.
20481 (link_gomp_spec): New.
20482 (static_specs): Include it.
20483 (LINK_COMMAND_SPEC): Add link_gomp.
20484 (GOMP_SELF_SPECS): New.
20485 (driver_self_specs): Include it.
20486 (switch_matches): Don't mark inline.
20487 (main): Load libgomp.spec.
20488 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20489 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20490 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20491 * tree-gimple.h (enum omp_parallel): Declare.
20492 (determine_parallel_type): Declare.
20493 (omp_firstprivatize_variable): Declare.
20494 (omp_reduction_init): Declare.
20495 (diagnose_omp_structured_block_errors): Declare.
20496 (struct walk_stmt_info): Add want_return_expr.
20497 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20498 (find_omp_clause): Declare.
20499 (insert_field_into_struct): Declare.
20500 (struct walk_stmt_info): Move from tree-nested.c
20501 (walk_stmts): Declare.
20502 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20504 * cgraphunit.c (cgraph_lower_function): Make static.
20505 (cgraph_finalize_pending_functions): New.
20506 (cgraph_finalize_function): Call it.
20507 (cgraph_finalize_compilation_unit): Likewise.
20508 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20509 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20510 (BT_FN_UINT_UINT): New.
20511 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20512 DEF_FUNCTION_TYPE_VAR_4): Document.
20513 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20514 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20515 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20516 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20517 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20518 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20519 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20520 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20521 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20522 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20523 into separate files.
20524 (DEF_GOMP_BUILTIN): New.
20525 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20526 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20527 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20528 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20529 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20530 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20531 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20532 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20533 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20534 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20535 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20536 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20537 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20538 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20539 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20540 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20541 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20542 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20543 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20544 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20545 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20546 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20547 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20548 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20549 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20550 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20551 * sync-builtins.def: New file, moved from builtins.def.
20552 * omp-builtins.def: New file, moved from builtins.def.
20553 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20554 * gimple-low.c (lower_function_body): Clear data.
20555 (lower_stmt): Do not handle COMPOUND_EXPR.
20556 Remove call to print_node_brief.
20557 * c-tree.h (c_finish_omp_clauses): New prototype.
20558 (C_DECL_THREADPRIVATE_P): Define.
20559 (lookup_name_no_remap, c_omp_remap_private): Remove
20560 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20561 (check_for_loop_decls): Update decl.
20562 (lookup_name_no_remap, c_omp_remap_private): Declare.
20563 (build_indirect_ref, build_modify_expr, pushdecl,
20564 pushdecl_top_level): Move to c-common.h.
20565 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20566 before the switch, but just in the 2 places that need it.
20567 * c-decl.c (diagnose_mismatched_decls): Do not check for
20568 mismatched thread-local attributes when OLDDECL is marked
20569 threadprivate and NEWDECL has no thread-local attributes.
20570 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20571 (c_gimple_diagnostics_recursively): Rename from
20572 c_warn_unused_result_recursively. Invoke
20573 diagnose_omp_structured_block_errors.
20574 (check_for_loop_decls): Return a singular decl found.
20575 * langhooks.c (lhd_omp_predetermined_sharing): Return
20576 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20577 (lhd_omp_firstprivatize_type_sizes): New.
20578 (lhd_omp_assignment): New.
20579 (lhd_omp_predetermined_sharing): New.
20580 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20581 (struct lang_hooks_for_types): Add
20582 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20583 omp_predetermined_sharing, omp_disregard_value_expr,
20584 omp_private_debug_clause, omp_clause_default_ctor,
20585 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20586 (c_finish_omp_clauses): New.
20587 (c_finish_bc_stmt): Diagnose break within omp for.
20588 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20589 (build_unary_op): Return error_mark after reporting
20591 (build_modify_expr): Likewise.
20592 * gimplify.c: Include optabs.h and pointer-set.h.
20593 (enum gimplify_omp_var_data): Declare.
20594 (struct gimplify_omp_ctx): Declare.
20595 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20597 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20598 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20599 (splay_tree_compare_decl_uid): New.
20600 (new_omp_context): New.
20601 (delete_omp_context): New.
20602 (gimple_add_tmp_var): Call omp_add_variable.
20603 (gimplify_bind_expr): Likewise.
20604 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20605 true, disregard DECL_VALUE_EXPR on the decl if any.
20606 (gimplify_expr_in_ctx): New.
20607 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20608 omp_add_variable, omp_notice_variable, omp_is_private
20609 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20610 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20611 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20612 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20613 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20614 gimplify_omp_atomic): New.
20615 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20616 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20617 OMP_CRITICAL and OMP_ATOMIC.
20618 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20619 * c-pragma.h (enum pragma_kind): Add
20620 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20621 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20622 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20623 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20624 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20625 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20626 PRAGMA_OMP_THREADPRIVATE.
20627 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20628 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20629 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20630 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20631 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20632 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20633 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20634 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20635 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20636 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20637 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20638 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20639 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20641 (struct nesting_info): Add field_map,
20642 suppress_expansion, debug_var_chain.
20643 (create_nesting_tree): Initialize them.
20644 (lookup_field_for_decl): Use field_map.
20645 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20646 (convert_local_omp_clauses): New.
20647 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20648 (walk_body): Split out of walk_function.
20649 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20650 (convert_nonlocal_reference): Handle omp statements.
20651 (convert_local_reference): Likewise.
20652 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20653 (unnest_nesting_tree): New.
20654 (lower_nested_functions): Call it.
20655 (insert_field_into_struct): Make extern.
20656 (struct walk_stmt_info): Move to tree-gimple.h.
20657 (walk_stmts): Make extern.
20658 * omp-builtins.def: New file.
20659 * tree-iterator.c (expr_only): Clarify comment.
20660 * c-common.h (pushdecl_top_level, pushdecl,
20661 build_modify_expr, build_indirect_ref,
20662 c_finish_omp_master, c_finish_omp_critical,
20663 c_finish_omp_ordered, c_finish_omp_barrier,
20664 c_finish_omp_atomic, c_finish_omp_flush,
20665 c_finish_omp_for, c_split_parallel_clauses,
20666 omp_clause_default_kind, c_omp_sharing_predetermined,
20667 c_omp_remap_decl): Declare.
20668 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20669 (OBJS-common): Add omp-low.o.
20670 (c-omp.o, omp-low.o): Add.
20671 (gimplify.o): Add dependency on $(OPTABS_H).
20672 (GTFILES): Add omp-low.c.
20673 (gt-stringpool.h): Add.
20674 * tree-cfg.c (set_bb_for_stmt): Do not update the
20675 block-to-labels map if we are currently expanding to RTL.
20676 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20678 Handle IDENTIFIER_NODE.
20679 (tree_verify_flow_info): Do not ICE when emitting error
20680 messages about invalid labels.
20681 (dump_function_to_file): Reset CFUN before emitting the body
20683 (debug_function): New.
20684 * passes.c (init_optimization_passes): Schedule
20686 * langhooks-def.h (lhd_omp_predetermined_sharing,
20687 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20689 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20690 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20691 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20692 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20693 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20694 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20695 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20696 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20697 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20698 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20699 (LANG_HOOK_DECLS): Use them.
20701 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20702 Richard Henderson <rth@redhat.com>
20703 Jakub Jelinek <jakub@redhat.com>
20704 Diego Novillo <dnovillo@redhat.com>
20706 * c-parser.c (pragma_omp_clause): Define.
20707 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20708 (c_parser_compound_statement): Likewise.
20709 (c_parser_statement): Likewise.
20710 (c_parser_pragma): Handle omp pragmas.
20711 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20712 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20713 (c_parser_omp_clause_name, check_no_duplicate_clause,
20714 c_parser_omp_variable_list,
20715 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20716 c_parser_omp_clause_copyprivate,
20717 c_parser_omp_clause_default,
20718 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20719 c_parser_omp_clause_lastprivate,
20720 c_parser_omp_clause_nowait,
20721 c_parser_omp_clause_num_threads,
20722 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20723 c_parser_omp_clause_reduction,
20724 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20725 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20726 c_parser_omp_atomic, c_parser_omp_barrier,
20727 c_parser_omp_critical, c_parser_omp_flush,
20728 c_parser_omp_for_loop, c_parser_omp_for,
20729 c_parser_omp_master, c_parser_omp_ordered,
20730 c_parser_omp_sections_scope, c_parser_omp_sections,
20731 c_parser_omp_parallel, c_parser_omp_single,
20732 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20733 * c-pragma.c (init_pragma): Do omp pragma registration here.
20734 * c.opt (fopenmp): New flag.
20736 2006-01-18 Eric Christopher <echristo@apple.com>
20738 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20739 * config/darwin.h (GOMP_SELF_SPECS): Define.
20741 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20743 * rtl.h: Remove the prototype for reg_alloc.
20745 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20748 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20749 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20750 sjlj and dwarf2 exception handling.
20751 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20752 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20753 * pa/pa.c (function_value): Treat complex and vector types as
20755 (function_arg): Likewise. Only pass scalar floats in the floating
20756 point argument registers.
20757 * pa/t-slibgcc-dwarf-ver: New file.
20758 * pa/t-slibgcc-sjlj-ver: New file.
20759 * pa/t-slibgcc-elf-ver: Delete file.
20761 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20763 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20764 unlikely_test_section_p test.
20766 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20768 * mode-switching.c (optimize_mode_switching): Make it static.
20769 * basic-block.h: Remove the prototype for
20770 optimize_mode_switching.
20772 * modulo-sched.c (sms_schedule): Make it static.
20773 * rtl.h: Remove the prototype for sms_schedule.
20775 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20776 * rtl.h: Remove the prototype for gcse_after_reload_main.
20778 * reg-stack.c (reg_to_stack): Make it static.
20779 * rtl.h: Remove the prototype for reg_to_stack.
20781 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20783 * rtl.h: Remove the prototypes for regrename_optimize and
20784 copyprop_hardreg_forward.
20786 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20788 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20789 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20790 Test against the appropriate null constant for the mode.
20791 If 'fixup_overlap' is true, swap the operands if they overlap.
20792 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20793 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20794 alpha_split_tmode_pair and adjust for above change.
20795 * config/alpha/alpha.md (movtf_internal): Adjust call to
20796 alpha_split_tfmode_pair and rely on it to swap the operands.
20797 (movti_internal): New insn and post-reload splitter.
20798 (movti): New expander.
20800 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20802 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20805 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20807 * rtlanal.c (global_reg_mentioned_p_1,
20808 global_reg_mentioned_p): Remove.
20809 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20811 * flow.c (initialize_uninitialized_subregs): Make it static.
20812 * rtl.h: Remove the prototype for
20813 initialize_uninitialized_subregs.
20815 * function.c (instantiate_virtual_regs): Make it static.
20816 * function.h: Remove the prototype for
20817 instantiate_virtual_regs.
20819 * regmove.c (regmove_optimize, combine_stack_adjustments):
20821 * rtl.h: Remove the prototypes for regmove_optimize and
20822 combine_stack_adjustments.
20824 2006-01-17 Roger Sayle <roger@eyesopen.com>
20826 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20827 (size_cost): Encode costs in bytes so that a reg-reg addition is
20828 equivalent to COSTS_N_INSNS(1).
20829 (override_options): Use the size_cost.branch_cost as the default
20830 ix86_branch_cost when optimizing for size.
20832 2006-01-18 Ben Elliston <bje@au.ibm.com>
20834 * Makefile.in (D32PBIT_FUNCS): New.
20835 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20836 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20837 D64PBIT_FUNCS and D128PBIT_FUNCS.
20838 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20839 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20841 (decnumber_dep): Define.
20842 * doc/libgcc.texi (Decimal float library routines): New node.
20843 * config/dfp-bit.h, config/dfp-bit.c: New files.
20845 2006-01-18 Ben Elliston <bje@au.ibm.com>
20847 * expr.c (emit_move_change_mode): Always adjust addresses, not
20848 just during reload. Copy replacements only during reload.
20849 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20850 emit_move_via_integer.
20852 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20854 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20855 instead of $(srcdir) and ${srcdir}.
20857 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20860 PR middle-end/11135
20861 * arm.h (struct machine_function): Add pic_reg.
20862 * arm.c (arm_pic_register): Make unsigned.
20863 (arm_override_options): Only set arm_pic_register if
20864 TARGET_SINGLE_PIC_BASE.
20865 (use_return_insn): Only test for a pic register if it is fixed.
20866 (arm_compute_save_reg0_reg12_mask): Likewise.
20867 (thumb_compute_save_reg_mask): Likewise.
20868 (legitimate_pic_operand): Factor out some known invariants.
20869 (legitimize_pic_address): If we don't have a fixed pic register,
20870 then set up a pseudo in the function entry sequence. Handle the
20871 pic base being in a pseudo.
20872 (arm_load_pic_register): Handle the pic register being in a pseudo.
20873 (arm_expand_prologue): Only set up the pic register if it is fixed.
20874 (thumb_expand_prologue): Likewise.
20875 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20876 (pic_load_addr_based_insn): Likewise.
20877 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20880 2006-01-18 Ben Elliston <bje@au.ibm.com>
20882 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20883 decimal float modes for all floating point registers.
20885 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20886 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20888 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20891 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20892 even when the pointer is not NULL.
20894 2006-01-16 Ian Lance Taylor <ian@airs.com>
20896 * common.opt (ftoplevel-reorder): New option.
20897 * cgraph.c (cgraph_asm_nodes): New global variable.
20898 (cgraph_asm_last_node): New static variable.
20899 (cgraph_order): New global variable.
20900 (cgraph_create_node): Set new order field.
20901 (cgraph_varpool_node): Likewise.
20902 (decide_is_variable_needed): Return true if not
20903 flag_toplevel_reorder.
20904 (cgraph_add_asm_node): New function.
20905 * cgraph.h (struct cgraph_node): Add order field.
20906 (struct cgraph_varpool_node): Add order field.
20907 (struct cgraph_asm_node): Define.
20908 (cgraph_asm_nodes, cgraph_order): Declare.
20909 (cgraph_add_asm_node): Declare.
20910 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20912 (cgraph_varpool_assemble_pending_decls): Call it.
20913 (cgraph_output_pending_asms): New static function.
20914 (cgraph_finalize_compilation_unit): Call it.
20915 (struct cgraph_order_sort): Define.
20916 (cgraph_output_in_order): New static function.
20917 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20918 !flag_toplevel_reorder case.
20919 * c-parser.c: Include "cgraph.h".
20920 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20922 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20923 than -fno-unit-at-a-time.
20924 * doc/invoke.texi (Option Summary): Mention
20925 -fno-toplevel-reorder.
20926 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20927 -funit-at-a-time documentation.
20929 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20930 Kazu Hirata <kazu@codesourcery.com>
20932 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20934 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20936 * Makefile.in (FUNCTION_H): New. Use it instead of
20937 function.h throughout the file.
20938 * function.h: Include tree.h.
20940 2006-01-17 Ben Elliston <bje@au.ibm.com>
20942 * recog.c: Separate some functions with whitespace.
20944 2006-01-16 Richard Henderson <rth@redhat.com>
20946 Merge from gomp branch:
20947 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20948 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20949 and rename from struct inline_data. Rename callee* to dst*;
20950 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20951 transform_new_cfg, transform_return_to_modify, and
20952 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20954 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20955 (copy_decl_for_dup): Remove.
20956 * tree-inline.c (struct inline_data): Move to header.
20957 (insert_decl_map): Export.
20958 (remap_decl): Update for member name changes. Use copy_decl hook.
20959 Allow for replacement to be a non-decl. Remove dead code.
20960 (remap_type_1): Check for existing mapping.
20961 (remap_type): Export.
20962 (remap_decls): Update for member name changes.
20963 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20964 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20965 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20966 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20967 (tree_function_versioning, build_duplicate_type): Likewise.
20968 (copy_body_r): Likewise. Export.
20969 (copy_decl_for_dup): Split into ...
20970 (copy_decl_for_dup_finish, copy_decl_to_var,
20971 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20972 (replace_ref_tree, inlining_p): Remove.
20974 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20976 * ifcvt.c (if_convert): Make it static.
20977 * rtl.h: Remove the prototype for if_convert.
20979 * local-alloc.c (local_alloc): Make it static.
20980 * rtl.h: Remove the prototype for local_alloc.
20982 * loop.c (loop_optimize): Make it static.
20983 * cfgloop.h: Remove the prototype for loop_optimize.
20986 2006-01-16 DJ Delorie <dj@redhat.com>
20988 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20991 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20993 * pa.md: Disparage copies between general and floating-point registers
20994 in 32-bit move patterns.
20996 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20999 * Makefile.in (check-%): Depend on site.exp instead of
21000 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21003 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21005 * global.c (global_alloc): Make it static.
21006 * rtl.h: Remove the prototype for global_alloc.
21008 2006-01-16 Richard Guenther <rguenther@suse.de>
21010 * tree-ssa-alias.c (struct used_part): Add write_only field.
21011 (get_or_create_used_part_for): Initialize it to true.
21012 (create_overlap_variables_for): Don't create structure variables
21013 for structures that only are written to.
21014 (find_used_portions): Handle MODIFY_EXPR to track whether a
21015 structure is only written to.
21017 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21019 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21021 * basic-block.h: Remove the prototype for
21022 partition_hot_cold_basic_blocks.
21024 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21026 * cppspec.c (lang_specific_spec_functions): Remove.
21027 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21028 * gcc.h (lang_specific_spec_functions): Remove.
21029 * gccspec.c (lang_specific_spec_functions): Remove.
21031 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21033 * combine.c (record_value_for_reg): Invalidate registers
21035 (record_dead_and_set_regs_1): Likewise, by passing them to
21036 record_value_for_reg.
21037 (record_dead_and_set_regs): Invalidate stores made by a
21038 call. We do not combine across a call, but we still
21039 relied on equivalences.
21041 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21043 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21044 vrp_int_const_binop returning non-constant nodes.
21046 2006-01-16 Paul Brook <paul@codesourcery.com>
21048 * config/m68k/m68k.c (output_move_const_into_data_reg):
21049 Output correct mnemonic for mvz and mvs.
21051 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21053 * rtl-factoring.c: Add sequence abstraction algorithm.
21054 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21055 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21057 (block_has_preserve_label): New function.
21058 * common.opt: Register new pass.
21059 * Makefile.in: Ditto.
21061 * timevar.def: Ditto.
21062 * tree-pass.h: Ditto.
21063 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21064 * rtl.h (make_jump_insn_raw): Add forward decl.
21065 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21067 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21068 Roger Sayle <roger@eyesopen.com>
21070 * fold-const.c (fold_minmax): New static function.
21071 (fold_binary) <MIN_EXPR>: Call it.
21072 <MAX_EXPR>: Likewise.
21073 * stor-layout.c (place_field): Use DECL_SIZE consistently
21074 in the computation of the new record size.
21076 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21078 * cse.c (cse_condition_code_reg): Make it static.
21079 * rtl.h: Remove the prototype for cse_condition_code_reg.
21081 * combine.c (combine_instructions): Make it static.
21082 * rtl.h: Remove the prototype for combine_instructions.
21084 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21087 * tree.c (get_file_function_name_long): Concatenate the first global
21088 object name with a string derived from the input filename of the object
21091 2006-01-16 Ben Elliston <bje@au.ibm.com>
21093 * config/i386/winnt-stubs.c: Update FSF address.
21094 * config/xtensa/ieee754-df.S: Ditto.
21095 * config/xtensa/ieee754-sf.S: Ditto.
21097 2006-01-14 Ian Lance Taylor <ian@airs.com>
21099 * ifcvt.c (noce_init_if_info): New static function, broken out of
21100 noce_process_if_block.
21101 (noce_process_if_block): Call noce_init_if_info.
21102 (check_cond_move_block): New static function.
21103 (cond_move_process_if_block): New static function.
21104 (process_if_block): Call cond_move_process_if_block.
21106 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21108 * cselib.c (hash_table): Rename to cselib_hash_table.
21109 (cselib_clear_table, discard_useless_values,
21110 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21111 cselib_init, cselib_finish): Adjust uses of hash_table.
21113 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21115 PR tree-optimization/25485
21116 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21117 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21118 is known to be false and true, respectively.
21120 2006-01-14 Richard Guenther <rguenther@suse.de>
21122 PR tree-optimization/22548
21123 PR tree-optimization/22555
21124 PR tree-optimization/22501
21125 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21126 * params.def (salias-max-array-elements): New parameter.
21127 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21128 * doc/invoke.texi (salias-max-array-elements): Document.
21129 * tree-flow-inline.h (var_can_have_subvars): We also handle
21131 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21133 * tree-ssa-structalias.c (params.h): Include.
21134 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21135 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21136 (get_constraint_for): For ADDR_EXPR operating on something
21137 containing an ARRAY_REF, add all subvars to the solution.
21138 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21139 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21140 for creating MUST_DEFs.
21141 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21143 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21145 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21147 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21148 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21149 number_of_iterations_le): New functions.
21150 (number_of_iterations_special): Removed.
21151 (number_of_iterations_exit): Do not use number_of_iterations_special.
21152 * tree.c (unsigned_type_for): Always return integer type.
21154 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21155 Richard Guenther <rguenther@suse.de>
21157 PR rtl-optimization/24257
21158 * gcse.c (find_moveable_store): Only consider a store movable
21159 when the SET_SRC of the insn can be assigned to a register.
21161 2006-01-14 Ian Lance Taylor <ian@airs.com>
21163 * tree.c (tree_not_class_check_failed): New function.
21164 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21165 (tree_not_class_check_failed): Declare.
21167 2006-01-13 Ian Lance Taylor <ian@airs.com>
21169 * reload1.c (do_output_reload): Add assertion rejecting a
21172 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21174 * combine.c (struct reg_stat): Add new fields truncation_label and
21176 (record_value_for_reg): Reset truncated_to_mode.
21177 (record_truncated_value): New function.
21178 (check_promoted_subreg): Call it. Rename to check_conversions.
21179 (combine_instructions): Rename check_promoted_subreg to
21181 (reg_truncated_to_mode): New function.
21182 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21183 (gen_lowpart_or_truncate): New function.
21184 (force_to_mode): Use it instead of gen_lowpart.
21186 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21188 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21189 VAR is a tag, not its type tag.
21191 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21193 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21194 alternatives to match style of other entries.
21195 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21197 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21199 PR tree-optimization/25771
21200 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21203 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21206 * tree-inline.c (declare_return_variable): If the return variable
21207 was marked as a non gimple complex, set the return slot variable
21208 to be a non gimple comple variable.
21210 2006-01-13 Richard Guenther <rguenther@suse.de>
21212 * builtins.c (expand_builtin_sincos): New function.
21213 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21215 (expand_builtin): Expand sincos using expand_builtin_sincos.
21217 2006-01-12 DJ Delorie <dj@redhat.com>
21219 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21220 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21221 so that constant shifts can be split.
21222 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21223 (m32c_valid_pointer_mode): Make static.
21224 (shift_gen_func_for): New.
21225 (m32c_prepare_shift): Use it. Split large const shifts into
21227 * config/m32c/predicates.md (shiftcount_operand): Allow more
21229 (longshiftcount_operand): New.
21230 * doc/md.texi (Machine Constraints): Document In6.
21232 2006-01-13 Ben Elliston <bje@au.ibm.com>
21234 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21235 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21238 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21240 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21241 to try to avoid clobbering pieces of structures when we know
21242 something about the whole structure.
21243 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21245 2006-01-13 Ben Elliston <bje@au.ibm.com>
21247 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21248 return in memory, as this is no limitation is no longer present.
21250 2006-01-12 DJ Delorie <dj@redhat.com>
21252 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21253 mova with fb, and for fb+0 -> An.
21255 * config/m32c/mov.md (peephole2): Fix enabling logic.
21257 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21258 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21259 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21260 FINI_ARRAY_SECTION_ASM_OP): Define.
21262 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21264 (m32c_legitimize_reload_address): New logic to reload FB to An.
21265 (m32c_output_reg_push): Add newline.
21266 (m32c_output_reg_pop): Likewise.
21268 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21270 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21272 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21274 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21276 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21278 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21281 2006-01-11 Ben Elliston <bje@au.ibm.com>
21283 * rtlanal.c (find_reg_note): Assert insn is not null.
21285 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21287 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21290 2006-01-11 Jeff Law <law@redhat.com>
21292 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21294 (mark_threaded_blocks, register_jump_thread): New functions.
21295 (thread_through_all_blocks): Remove unwanted argument. No
21296 longer rely on e->aux to communicate thread target info.
21297 Call mark_threaded_blocks. Release the threaded_blocks
21298 bitmap and threaded_edges vector when complete.
21299 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21300 (threaded_blocks): Remove.
21301 (tree_ssa_dominator_optimize): Remove initialization and
21302 finalization of threaded_blocks. Simplify call to
21303 thread_through_all_blocks.
21304 (thread_across_edge): Call register_jump_thread rather than
21305 storing thread information into e->aux.
21306 (free_all_edge_infos): Simplify now that e->aux is no longer
21307 used to communicate with thread_through_all_blocks.
21308 * tree-flow.h (thread_through_all_blocks): Update prototype.
21309 (register_jump_thread): Prototype.
21311 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21313 * df-core.c (df_compact_blocks, df_bb_replace): Use
21314 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21316 2006-01-11 Richard Guenther <rguenther@suse.de>
21318 PR tree-optimization/25734
21319 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21320 stop propagation after successful propagation to the LHS.
21322 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21324 * basic-block.h (control_flow_graph): Change the type of
21325 x_basic_block_info to VEC(basic_block,gc) *.
21326 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21328 (SET_BASIC_BLOCK): New.
21329 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21330 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21331 * cfgbuild.c (find_basic_blocks): Likewise.
21332 * cfglayout.c (fixup_reorder_chain): Likewise.
21333 * cfgrtl.c (create_basic_block_structure,
21334 rtl_create_basic_block): Likewise.
21335 * ifcvt.c (find_if_case_1): Likewise.
21336 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21339 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21341 * Makefile.in: Removed rotted odf.c entry.
21343 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21346 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21347 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21348 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21349 output pattern modifier, not %e.
21350 * config/cris/cris.c (cris_op_str): Update comment about pattern
21352 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21353 before falling through into...
21354 <case 'E'>: Redefined from old 'e' case.
21356 2006-01-11 Jan Hubicka <jh@suse.cz>
21359 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21361 2006-01-11 Jan Hubicka <jh@suse.cz>
21363 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21364 * i386.c (x86_decompose_lea): Kill.
21365 (ix86_rtx_costs): Kill.
21367 2006-01-11 Jan Hubicka <jh@suse.cz>
21369 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21370 * cgraph.h (cgraph_node): Add inline_decl.
21371 (cgraph_insert_node_to_hashtable): Declare.
21372 (save_inline_function_body): Declare.
21373 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21375 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21376 (cgraph_function_versioning): Update call of tree_function_versioning.
21377 (save_inline_function_body): New function.
21378 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21379 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21380 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21381 (cgraph_default_inline_p): Likewise.
21382 (cgraph_decide_inlining_incrementally): Likewise.
21383 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21384 (copy_bb): Kill saving; do updating of clones.
21385 (copy_cfg_body): Kill saving.
21386 (initialize_inlined-parameters): Likewise.
21387 (expand_call_inline): Likewise.
21389 (tree_function_versioning): New parameter "update_clones".
21390 (inlining_p): Kill saving.
21391 * tree-inline.h (tree_function_versioning): Update prototype.
21392 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21395 2006-01-11 Ian Lance Taylor <ian@airs.com>
21397 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21398 Allow undoing set of machine mode.
21399 (do_SUBST): Use enums instead of is_int.
21400 (do_SUBST_MODE): New function.
21401 (SUBST_MODE): New macro.
21402 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21403 reg and trying to replace reg_regno_rtx with a new register.
21404 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21405 (simplify_set): Use SUBST_MODE.
21406 (distribute_notes): Remove code that tried to update reg notes
21407 for regno_reg_rtx changes.
21409 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21411 PR tree-optimization/23109
21412 PR tree-optimization/23948
21413 PR tree-optimization/24123
21415 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21416 * tree-cfg.c (single_noncomplex_succ): New.
21417 * tree-flow.h (single_noncomplex_succ): Declare it.
21418 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21419 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21420 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21421 insert_bb, register_division_in, insert_reciprocals,
21422 replace_reciprocal, free_bb): New.
21423 (execute_cse_reciprocals_1): Rewritten.
21424 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21425 Do not commit any edge insertion. Always compute dominators and
21426 create the allocation pool.
21427 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21428 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21429 * targhooks.c (default_min_divistions_for_recip_mul): New.
21430 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21431 * passes.c (init_optimization_passes): Run recip after tree loop
21433 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21435 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21436 Kenneth Zadeck <zadeck@naturalbridge.com>
21438 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21439 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21440 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21441 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21442 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21443 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21444 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21445 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21446 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21447 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21448 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21449 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21450 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21451 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21452 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21453 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21454 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21455 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21456 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21457 DF_SCAN_POST_ALLOC): New macros.
21458 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21459 df_free_bb_function, df_local_compute_function, df_init_function,
21460 df_dataflow_function, df_confluence_function_0,
21461 df_confluence_function_n, df_transfer_function,
21462 df_finalizer_function, df_free_function, df_dump_problem_function,
21463 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21464 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21465 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21466 df_urec_bb_info, ) New types.
21467 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21469 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21470 df_analyze_simple_change_some_blocks,
21471 df_analyze_simple_change_one_block, df_compact_blocks,
21472 df_bb_replace, df_bb_regno_last_use_find,
21473 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21474 df_insn_regno_def_p, df_find_def, df_find_use,
21475 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21476 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21477 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21478 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21479 debug_df_chain, df_get_dependent_problem, df_chain_create,
21480 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21481 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21482 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21483 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21484 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21485 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21486 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21487 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21488 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21489 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21490 df_reorganize_refs, df_set_state, df_hard_reg_init,
21491 df_read_modify_subreg_p) New public functions.
21492 * df-core.c: The core dataflow solver and glue routines for rtl
21494 (df_init, df_add_problem, df_set_blocks, df_finish,
21495 df_hybrid_search_forward, df_hybrid_search_backward,
21496 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21497 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21498 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21499 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21500 df_reg_defined, df_find_use, df_reg_used, df_dump,
21501 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21502 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21503 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21504 debug_df_useno, reset_df_after_reload): New functions.
21505 * df-scan.c: The scanning fuctions, once in df.c, completely
21506 rewritten so that they now fully model the functionality of
21507 register usage at the backend.
21508 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21509 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21510 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21511 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21512 df_get_artificial_defs, df_get_artificial_uses,
21513 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21514 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21515 df_refs_delete, df_reorganize_refs, df_set_state,
21516 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21517 df_def_record_1, df_defs_record, df_uses_record,
21518 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21519 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21520 df_record_exit_block_uses, df_hard_reg_init): New functions.
21522 * df-problems.c: Seven concrete dataflow problems that use the
21523 scanning in df-scan.c and are solved by the engine in df-core.c.
21524 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21525 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21526 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21527 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21528 df_ru_free_bb_info, df_ru_alloc,
21529 df_ru_bb_local_compute_process_def,
21530 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21531 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21532 df_ru_transfer_function, df_ru_free, df_ru_dump,
21533 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21534 df_rd_free_bb_info, df_rd_alloc,
21535 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21536 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21537 df_rd_transfer_function, df_rd_free, df_rd_dump,
21538 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21539 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21540 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21541 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21542 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21543 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21544 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21545 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21546 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21547 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21548 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21549 df_urec_mark_reg_use_for_earlyclobber,
21550 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21551 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21552 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21553 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21554 df_chain_create_bb_process_use, df_chain_create_bb,
21555 df_chain_finalize, df_chain_free, df_chains_dump,
21556 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21557 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21558 df_reg_lifetime): New functions.
21559 * df.c: Deleted file.
21560 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21561 consistent with new df api.
21562 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21563 rest_of_handle_sms): Ditto.
21564 * web.c (unionfind_union, union_defs, entry_register, web_main):
21566 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21567 invariant_expr_equal_p, find_defs, check_dependencies,
21568 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21569 free_inv_motion_data, move_loop_invariants): Ditto.
21570 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21571 Update dependencies.
21572 (odf.c): Added defective entry that was deleted later in day.
21573 * sched-deps.c (sched_analyze_1): Ditto.
21575 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21577 * tree-ssa-operands.c (get_expr_operands): Record addressable
21578 variables directly. Do not call add_stmt_operands for CONST_DECLs
21580 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21581 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21583 2006-01-11 Ben Elliston <bje@au.ibm.com>
21585 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21586 function returns true in the positive case.
21588 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21591 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21592 for SI, DI, SF and DF modes. Add alternatives to copy between
21593 general and floating point registers to the 32-bit patterns.
21594 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21595 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21596 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21597 generating 64-bit code.
21598 * config/pa/pa.c (output_move_double): Handle copies between general
21599 and floating registers.
21601 2006-01-10 Stuart Hastings <stuart@apple.com>
21603 * config/i386/i386.md (set_got): Update.
21604 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21605 (builtin_setjmp_receiver): Mach-O support.
21606 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21607 (GOT_SYMBOL_NAME): Define.
21608 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21609 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21610 * config/i386/i386.c (override_options): Revise for Darwin.
21611 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21612 support. (darwin_x86_file_end): New. (output_set_got): Add label
21613 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21614 * config/i386/i386-protos.h (output_set_got): Likewise.
21615 * config/darwin.c (machopic_legitimize_pic_address): Update
21618 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21620 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21621 when MODE isn't BLKmode.
21623 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21625 PR rtl-optimization/25367
21626 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21628 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21631 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21632 for a negative bound.
21634 2006-01-10 Richard Guenther <rguenther@suse.de>
21636 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21637 Never override with anything constraint.
21639 2006-01-10 Jan Beulich <jbeulich@novell.com>
21641 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21642 256 bits when optimize_size.
21644 2006-01-10 Jan Beulich <jbeulich@novell.com>
21646 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21648 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21649 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21652 2006-01-10 Ben Elliston <bje@au.ibm.com>
21654 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21656 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21657 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21658 (USE_FP_FOR_ARG): Reject decimal float modes.
21659 (function_arg_advance): Likewise.
21660 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21661 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21662 point types in AltiVec vectors.
21663 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21664 (rs6000_libcall_value): Likewise.
21666 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21668 * config/xtensa/ieee754-df.S: New file.
21669 * config/xtensa/ieee754-sf.S: New file.
21670 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21671 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21672 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21674 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21676 * config/sh/predicates.md (binary_float_operator,
21677 binary_logical_operator, commutative_float_operator,
21678 equality_comparison_operator, greater_comparison_operator,
21679 less_comparison_operator, logical_operator,
21680 noncommutative_float_operator, shift_operator,
21681 symbol_ref_operand, unary_float_operator): Remove redundant
21684 2006-01-09 Jeff Law <law@redhat.com>
21686 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21687 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21688 now unused arguments. Callers updated.
21689 (eliminate_redundant_computations): Remove now unused arguments,
21691 (local_fold): Remove, no longer used.
21692 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21694 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21695 (simplify_cond): New function.
21696 (forward_propagate_into_cond): Call simplify_cond.
21698 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21700 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21701 (*vec_extractv2di_1_sse): New.
21703 2006-01-09 Ben Elliston <bje@au.ibm.com>
21705 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21707 2006-01-08 Richard Guenther <rguenther@suse.de>
21709 * tree-ssa-structalias.c (get_constraint_for): Remove
21710 anyoffset argument.
21711 (get_constraint_for_component_ref): Likewise.
21712 (do_deref): Likewise.
21713 (get_constraint_for): Likewise.
21714 (do_structure_copy): Likewise.
21715 (handle_ptr_arith): Likewise.
21716 (find_func_aliases): Likewise. Remove unused need_anyoffset
21719 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21720 Kaz Kojima <kkojima@gcc.gnu.org>
21722 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21723 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21724 (EXTRA_CONSTRAINT_C16): Remove.
21725 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21726 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21727 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21728 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21729 constants of SHmedia. Handle nested constant expressions of
21731 (andcosts): Fix the costs for SHmedia constants.
21732 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21733 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21734 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21735 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21736 (movv4hi_i, movv2si_i): Likewise.
21737 (movsi_const): Adjust the second operand of ior so to match with
21738 the Csu constraint.
21739 (movdi_const, movdi_const_32bit): Likewise.
21740 (movdi_const_16bit+1): Don't sign-extend LOW.
21741 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21743 (*double_shori): Fix the split condition. Use GEN_INT instead
21744 of get_int_mode calls. Mask lower 16-bit of the argument of
21746 (sym2GOTPLT): Remove.
21747 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21749 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21750 instead of EXTRA_CONSTRAINT_C16.
21752 2006-01-07 Ian Lance Taylor <ian@airs.com>
21753 David Edelsohn <edelsohn@gnu.org>
21755 PR rtl-optimization/25662
21756 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21757 for constant operands instead of simplify_gen_binary.
21758 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21759 after trying simplify_binary_operation
21761 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21763 * tree.c (iterative_hash_expr): Hash decls based on UID.
21765 2006-01-06 Eric Christopher <echristo@apple.com>
21767 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21768 (TARGET_UNWIND_EMIT): Fix spelling.
21769 * target.h (gcc_target): Add except_table_label.
21770 * except.c (output_function_exception_table): Use.
21771 * varasm.c (default_emit_except_table_label): New.
21772 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21774 (asm_out): Add here.
21775 * output.h (default_emit_except_table_label): Prototype.
21776 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21777 * config/darwin.c (darwin_emit_except_table_label): Define.
21778 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21780 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21782 PR tree-optimization/18527
21783 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21784 number_of_iterations_special, number_of_iterations_exit):
21785 Move base and step of an iv to a single structure. Add
21786 no_overflow flag, and use it in # of iterations analysis.
21787 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21788 folded_casts argument.
21789 (simple_iv): Pass base and step in a structure. Set no_overflow
21791 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21792 Evaluate expensiveness of computing # of iterations instead of
21793 the final expression.
21794 * tree-scalar-evolution.h (affine_iv): New structure.
21795 (simple_iv): Declaration changed.
21796 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21797 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21798 find_givs_in_stmt): Changed due to simple_iv change.
21800 2006-01-06 Jeff Law <law@redhat.com>
21803 * tree-cfg.c (bsi_replace): Rename final argument from
21804 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21805 change (stmt -> orig_stmt).
21806 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21807 (bsi_remove): Add new argument. Remove EH information
21809 (verify_eh_throw_table_statements): New function.
21810 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21812 * tree-optimize.c (execute_free_cfg_annotations): Verify
21813 the EH throw statement table after removing annotations.
21814 * except.h (verify_eh_throw_table_statements): Prototype.
21815 * tree-flow.h (bsi_remove): Update prototype.
21816 * tree-vrp.c (remove_range_assertions): Add new argument to
21818 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21819 * tree-complex.c (expand_complex_div_wide): Likewise.
21820 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21821 * tree-tailcall.c (eliminate_tailcall): Likewise.
21822 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21823 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21824 * tree-nrv.c (tree_nrv): Likewise.
21825 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21826 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21827 (combine_blocks): Likewise.
21828 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21829 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21830 (cleanup_control_flow): Likewise.
21831 (remove_forwarder_block): Likewise.
21832 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21833 * tree-sra.c (sra_replace): Likewise.
21834 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21835 (forward_propagate_single_use_vars): Likewise.
21836 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21837 * tree-inline.c (expand_call_inline): Likewise.
21838 * tree-vect-transform.c (vect_transform_loop): Likewise.
21839 * tree-outof-ssa.c (rewrite_trees): Likewise.
21840 * tree-cfg.c (make_goto_expr_edges): Likewise.
21841 (cleanup_dead_labels): Likewise.
21842 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21843 (bsi_move_before, bsi_move_after): Likewise.
21844 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21845 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21847 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21850 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21852 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21853 on non gimple variables. Also add checks at the top for decls and
21855 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21857 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21858 and IMAGPART_EXPR for creating MUST_DEFs.
21859 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21860 and NAME_MEMORY_TAG separately from the DECLs.
21862 2006-01-06 Richard Guenther <rguenther@suse.de>
21864 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21865 annotation, if necessary.
21866 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21867 redundant calls to update_stmt.
21868 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21871 2006-01-05 Richard Henderson <rth@redhat.com>
21873 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21875 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21877 * c-typeck.c: Update copyright date.
21879 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21881 * c-typeck.c (build_c_cast): Always warn when casting
21882 from a pointer to an integer of different size, even if
21883 the node was constant.
21885 2006-01-05 Richard Guenther <rguenther@suse.de>
21887 PR tree-optimization/22555
21888 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21889 if one structure field is an array.
21890 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21891 operands even if we found a subvar, but ignore VOPs in this
21893 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21895 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21897 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21899 PR middle-end/24998
21900 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21902 2006-01-05 Richard Guenther <rguenther@suse.de>
21903 Diego Novillo <dnovillo@redhat.com>
21905 * tree-pass.h (TODO_remove_unused_locals): Define.
21906 * gimple-low.c (expand_var_p, remove_useless_vars,
21907 pass_remove_useless_vars): Remove. Update all users.
21908 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21909 (remove_unused_locals): New function.
21910 * tree-flow.h (remove_unused_locals): Declare.
21911 * passes.c (execute_todo): Call remove_unused_locals if
21912 TODO_remove_unused_locals is set.
21913 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21914 * tree-ssa-dce.c (pass_dce): Likewise.
21915 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21917 2006-01-05 Richard Guenther <rguenther@suse.de>
21919 * tree-flow.h (struct fieldoff): Decompose field to
21920 type, size and decl.
21921 * tree-ssa-alias.c (create_sft): Take type as parameter.
21922 (create_overlap_variables_for): Store type, size and decl
21923 in the fieldoff structure.
21924 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21925 of struct fieldoff.
21926 (push_fields_onto_fieldstack): Likewise.
21927 (create_variable_info_for): Likewise. Use offset for the
21928 SFT name if the decl is not available.
21930 2006-01-04 Paul Brook <paul@codesourcery.com>
21932 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21934 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21936 * lambda-code.c (can_put_in_inner_loop): Relax
21938 (can_put_after_inner_loop): New function.
21939 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21940 (perfect_nestify): Change to make copies and modify uses.
21942 2006-01-04 Richard Henderson <rth@redhat.com>
21944 Merge from gomp branch:
21945 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21946 via integer constant.
21947 (pragma_lex): Remove.
21948 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21949 rather than parsing it.
21950 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21951 handle_pragma_extern_prefix): Add %< %> quotes.
21952 (registered_pragmas): New.
21953 (c_register_pragma_1): New.
21954 (c_register_pragma): Use it.
21955 (c_register_pragma_with_expansion): Likewise.
21956 (c_invoke_pragma_handler): New.
21957 (init_pragma): Use cpp_register_deferred_pragma directly for
21959 * c-pragma.h (enum pragma_kind): New.
21960 (pragma_handler): New.
21961 (c_invoke_pragma_handler): Declare.
21962 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21964 * c-common.h (c_common_pch_pragma): Update decl.
21965 * Makefile.in (c-parser.o): Update dependencies.
21966 (GTFILES): Add c-pragma.h.
21967 * c-parser.c (struct c_token): Add pragma_kind.
21968 (struct c_parser): Add in_pragma.
21969 (c_lex_one_token): Always initialize keyword and pragma_kind.
21970 Extract data for CPP_PRAGMA.
21971 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21972 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21973 Don't allow CPP_PRAGMA_EOL if in_pragma.
21974 (c_parser_consume_pragma): New.
21975 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21976 (c_parser_skip_to_end_of_parameter): Likewise.
21977 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21978 (c_parser_skip_to_pragma_eol): New.
21979 (c_parser_external_declaration): Handle CPP_PRAGMA.
21980 (c_parser_compound_statement_nostart): Likewise.
21981 (c_parser_statement_after_labels): Likewise.
21982 (c_parser_pragma): New.
21983 (pragma_lex): Likewise.
21984 (c_parser_pragma_pch_preprocess): New.
21985 (c_parser_new): Merge into ...
21986 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21988 2006-01-04 Jeff Law <law@redhat.com>
21991 * tree-cfg.c (bsi_replace): Remove the original statement
21992 from the EH throw statement table.
21994 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21996 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21997 make the prototype extern "C" and add throw ().
22000 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22001 and pos non-negative and pos + len <= 32.
22002 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22003 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22004 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22007 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22008 as well as sizes not multiple of component size.
22011 * function.c (instantiate_expr): New function.
22012 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22013 walk its DECL_VALUE_EXPR with instantiate_expr.
22015 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22016 DW_OP_deref{,_size} if address isn't going to be added.
22018 2006-01-04 Ben Elliston <bje@au.ibm.com>
22020 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22021 * config/fp-bit.c: Likewise.
22023 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22025 * dominance.c: Add comment about why we use DFS numbering
22028 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22029 Richard Henderson <rth@redhat.com>
22031 Merge from gomp-branch:
22032 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22033 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22035 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22037 PR rtl-optimization/25578
22038 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22039 pass a parameter to simplify_shift_const if changing ASHIFTRT
22042 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22044 * builtins.c (get_builtin_sync_mem): New function.
22045 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22046 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22047 Call get_builtin_sync_mem to generate mem rtx.
22049 2006-01-03 Richard Guenther <rguenther@suse.de>
22052 * stmt.c (add_case_node): Make sure to clear overflow flags
22055 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22057 Merge from gomp-branch.
22058 * config/sparc/sync.md: New file.
22059 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22060 UNSPECV_LDSTUB): New constants.
22061 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22062 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22063 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22066 2006-01-03 Roger Sayle <roger@eyesopen.com>
22068 * combine.c (reg_subword_p): New predicate to test whether the
22069 destination of a set refers to a subword/piece of a register.
22070 (try_combine): Generalize the code to merge the setting of a
22071 pseudo to a constant followed by a set of a subword of that
22072 register to a constant.
22074 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22076 * basic-block.h (control_flow_graph): Change the type of
22077 x_label_to_block_map to VEC(basic_block,gc) *.
22078 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22079 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22081 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22082 VEC(basic_block,heap) *.
22083 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22084 ssa_prop_fini): Adjust the uses of cfg_blocks.
22086 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22088 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22090 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22091 hashing trees instead of a pointer hash.
22092 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22093 compare for MEM_EXPR.
22095 PR rtl-optimization/25130
22096 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22097 when comparing MEMs for GCSE
22099 2006-01-03 Ben Elliston <bje@au.ibm.com>
22101 * targhooks.h (default_decimal_float_supported_p): Declare.
22102 * targhooks.c (default_decimal_float_supported_p): Define.
22103 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22104 `default_decimal_float_supported_p'.
22105 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22107 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22109 * combine.c (apply_distributive_law <SUBREG>): Check
22110 TRULY_NOOP_TRUNCATION.
22112 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22114 * dwarf2out.c (have_switched_text_section): Delete.
22115 (have_multiple_function_sections): New.
22116 (have_location_lists): Make 'bool'.
22117 (add_AT_loc_list): Use 'true' not '1'.
22118 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22119 (output_loc_list): Use have_multiple_function_sections.
22120 (output_ranges): Likewise.
22121 (dwarf2out_begin_function): Set have_multiple_function_sections if
22123 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22124 Check function_section rather than DECL_SECTION_NAME.
22125 (dwarf2out_finish): Use have_multiple_function_sections.
22126 Don't clear have_location_lists.
22128 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22129 Jan Hubicka <jh@suse.cz>
22131 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22132 case of conditional jump jumping to the next instruction.
22133 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22134 cases of conditional jump jumping to the next instruction.
22136 2006-01-02 Jan Hubicka <jh@suse.cz>
22138 * i386.c (*_cost): Add COSTS_N_INSNS.
22139 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22141 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22144 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22146 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22148 * config/arm/arm.c (all_fpus): Fix comment typo.
22149 * config/darwin.c: Likewise.
22150 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22151 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22152 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22154 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22156 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22157 (rs6000_split_compare_and_swapqhi): New.
22158 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22159 (sync_compare_and_swapqhi_internal): New.
22160 * config/rs6000/rs6000-protos.h: Declare.