1 2006-12-11 Andreas Schwab <schwab@suse.de>
3 * varasm.c (elf_record_gcc_switches): Cast second argument of
4 ASM_OUTPUT_POOL_PROLOGUE to unsigned HOST_WIDE_INT.
6 2006-12-11 Diego Novillo <dnovillo@redhat.com>
8 * tree-scalar-evolution.c (scev_const_prop):
9 * tree-phinodes.c (remove_phi_node): Add argument
10 RELEASE_LHS_P. If given, release the SSA name on the LHS of
13 * tree-ssa-dce.c: Remove forward declarations for static
14 functions. Re-arrange functions bodies as needed.
15 (find_obviously_necessary_stmts): Never mark PHI nodes as
18 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
20 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
22 2006-12-11 Jan Hubicka <jh@suse.cz>
24 * value-prof.c (tree_stringops_transform): New.
25 (tree_value_profile_transformations): Require count to be non-zero;
26 call stringop transform; reset stmt BSI after BB changed.
27 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
28 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
29 (tree_stringops_values_to_profile): New.
30 (tree_values_to_profile): Call tree_stringops_values_to_profile.
31 * tree.h (build_string_literal): Tidy prototype.
32 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
34 * builtins.c (validate_arglist, builtin_memset_read_str,
35 get_pointer_alignment): Export.
37 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
41 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
43 * config/i386/i386.opt: New target option -mx87regparm.
45 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
46 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
47 (X87_REGPARM_MAX): Define.
49 * config/i386/i386.c (override_options): Error out for
50 -mx87regparm but no 80387 support.
51 (ix86_attribute_table): Add x87regparm.
52 (ix86_handle_cconv_attribute): Update comments for x87regparm.
53 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
54 (ix86_function_x87regparm): New function.
55 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
57 (init_cumulative_args): Initialize x87_nregs and float_in_x87
59 (function_arg_advance): Process x87_nregs and x87_regno when
60 floating point argument is to be passed in 80387 register.
61 (function_arg): Pass XFmode arguments in 80387 registers for local
62 functions. Pass SFmode and DFmode arguments to local functions
63 in 80387 registers when flag_unsafe_math_optimizations is set.
65 * reg-stack.c (convert_regs_entry): Disable NaN load for
66 stack registers that are used for argument passing.
68 * doc/extend.texi: Document x87regparm function attribute.
69 * doc/invoke.texi: Document -mx87regparm.
71 2006-12-11 Jan Hubicka <jh@suse.cz>
73 Move all varpool routines out of cgraph/cgraphunit to varpool.c
74 * cgraph.c: Update comments.
76 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
77 cgraph_varpool_node_name, cgraph_varpool_node,
78 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
79 cgraph_variable_initializer_availability): Move to
80 varpool.c and drop cgraph_ prefixes.
81 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
82 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
83 move to varpool.c; drop cgraph_ prefix; make static.
84 (dump_cgraph_varpool_node): Move to varpool.c under name
86 (dump_varpool, hash_varpool_node, eq_varpool_node,
87 decide_is_variable_needed): Move to varpool.c
88 (decl_assembler_name_equal): Move to tree.c.
89 (availability_names): Rename to ...
90 (cgraph_availability_names): ... this one.
91 (dump_cgraph_node): Update.
92 * cgraph.h: Reorder declarations now in varpool.c
93 (cgraph_vailablity_names): Declare.
94 (struct cgraph_varpool_node): Rename to ...
95 (struct varpool_node): ... this one.
96 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
97 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
98 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
99 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
100 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
101 cgraph_variable_initializer_availability): Rename to ...
102 (varpool_first_unanalyzed_node, varpool_nodes_queue,
103 varpool_first_unanalyzed_node, varpool_node,
104 varpool_node_for_asm, varpool_mark_needed_node,
105 varpool_finalize_decl, varpool_enqueue_needed_node,
106 varpool_assemble_pending_decls, variable_initializer_availability):
108 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
109 * tree.h (decl_assembler_name_equal): Declare.
110 * omp-low.c (lower_omp_critical): Update.
111 * ipa-reference (analyze_variable, static_execute): Likewise.
112 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
113 * cgraphunit.c: Update comments.
114 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
115 varpool_assembled_nodes_queue.
116 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
117 varpool_analyze_pending_decls.
118 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
119 varpool_remove_unreferenced_decls.
120 (record_reference): Update.
121 (cgraph_create_edges): Update.
122 (record_referneces_in_initializer): New function.
123 (cgraph_varpool_assemble_decl): Move to varpool.c under name
124 varpool_assemble_decl; make global.
125 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
126 varpool_assemble_pending_decls.
127 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
128 struct cgraph_order_sort, cgraph_output_in_order,
129 cgraph_function_and_variable_invisibility, cgraph_optimize,
130 cgraph_increase_alignment): Update.
131 * dwarf2out.c (decls_for_scope): Likewise.
132 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
133 * except.c (output_ttype): Likewise.
134 * varasm.c (mark_decl_referenced): Likewise.
135 (find_decl_and_mark_referenced, assemble_alias): update.
136 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
137 * passes.c (rest_of_decl_compilation): Update.
139 2006-12-11 Ira Rosen <irar@il.ibm.com>
141 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
143 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
144 (vect_setup_realignment): Likewise.
146 2006-12-11 Sa Liu <saliu@de.ibm.com>
147 Ben Elliston <bje@au.ibm.com>
149 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
150 (ENDFILE_SPEC): Likewise.
151 * config/spu/spu.opt (mstdmain): New option.
152 * config/spu/crti.asm: Remove.
153 * config/spu/crtn.asm: Likewise.
154 * config/spu/crt0.c: Likewise.
155 * config/spu/crtend.c: Likewise.
156 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
158 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
159 * doc/invoke.texi (SPU Options): Document -mstdmain.
161 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
163 * doc/loop.texi: Document number_of_latch_executions and
164 number_of_cond_exit_executions.
165 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
166 chrec_is_positive, number_of_iterations_for_all_loops,
167 scev_const_prop): Use number_of_latch_executions.
168 (set_nb_iterations_in_loop): Do not increase the value of the
169 number of iterations.
170 (number_of_iterations_in_loop): Renamed to ...
171 (number_of_latch_executions): ... this.
172 (number_of_exit_cond_executions): New function.
173 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
175 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
176 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
177 number_of_latch_executions.
178 * tree-data-ref.c (get_number_of_iters_for_loop): Use
179 number_of_exit_cond_executions.
180 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
181 * cfgloop.h (struct loop): Improve description of the nb_iterations
184 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
186 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
187 (tree_pointer_compare): Remove.
189 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
191 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
192 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
193 * tree-loop-linear.c (linear_transform_loops): Ditto.
194 * tree-ssa-loop-im.c (determine_lsm): Ditto.
195 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
196 free_numbers_of_iterations_estimates): Ditto.
197 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
198 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
199 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
200 * modulo-sched.c (sms_schedule): Ditto.
201 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
202 tree_unroll_loops_completely): Ditto.
203 * predict.c (predict_loops): Ditto.
204 * tree-if-conv.c (main_tree_if_conversion): Ditto.
205 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
206 decide_unrolling_and_peeling): Ditto.
207 * cfgloopmanip.c (unloop): Use delete_loop.
208 (place_new_loop): Access larray vector instead of parray.
209 (create_preheaders, force_single_succ_latches,
210 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
211 * loop-doloop.c (doloop_optimize_loops): Ditto.
212 * loop-invariant.c (move_loop_invariants): Ditto.
213 * tree-cfg.c (replace_uses_by): Ditto.
214 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
215 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
217 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
219 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
220 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
221 get_loop and get_chrec_loop.
222 (number_of_iterations_for_all_loops): Use number_of_loops.
223 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
224 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
225 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
227 * tree-chrec.c (evolution_function_is_invariant_rec_p,
228 chrec_convert_1): Use get_loop and get_chrec_loop.
229 * loop-init.c (loop_optimizer_init): Use number_of_loops.
230 (loop_optimizer_init): Use FOR_EACH_LOOP.
231 * tree-vectorizer.c (vect_loops_num): Removed.
232 (vectorize_loops): Store number of loops locally. Use
233 FOR_EACH_LOOP and get_loop.
234 * tree-vectorizer.h (vect_loops_num): Removed.
235 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
236 (find_data_references_in_loop): Do not set parallel_p.
237 * tree-data-ref.h: Do not declare VEC(loop_p).
238 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
239 verify_loop_structure): Use FOR_EACH_LOOP.
240 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
241 (initialize_loops_parallel_p): Removed.
242 (flow_loops_find): Push the loops into a vector.
243 (delete_loop): New function.
244 (cancel_loop): Use delete_loop.
245 * cfgloop.h: Declare VEC(loop_p).
246 (struct loop): Remove parallel_p field.
247 (struct loops): Replace num and parray field by larray vector.
248 Remove shared_headers field.
249 (delete_loop): Declare.
250 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
252 * doc/loop.tex: Document new accessor functions.
254 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
256 * common.opt (-ftree-lrs): Remove live range splitting option.
257 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
258 * opts.c (decode_options): Remove flag_tree_live_range_split.
259 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
260 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
261 * tree-outof-ssa.c: Remove header files which aren't needed.
262 (SSANORM_*): Remove flags.
263 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
264 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
265 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
266 (assign_vars): Use Basevar instead of root_var structure.
267 (replace_def_variable): Dont do anything if def is replaceable.
268 (remove_ssa_form): Integrate functional changes.
269 (rewrite_out_of_ssa): Remove live-range_split option.
270 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
271 (coalesce_cost): Calculate the cost of a coalesce.
272 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
273 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
274 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
275 (pop_best_coalesce): Remove the best coalesce from the list.
276 (coalesce_pair_map_hash): Calculate coalesce pair hash.
277 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
278 (create_coalesce_list): Create a coalesce list object.
279 (delete_coalesce_list): Free a coalesce list object.
280 (find_coalesce_pair): Find matching pair in the coalesce list.
281 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
282 (add_coalesce): Add a coalesce to the coalesce list.
283 (compare_pairs): Comparision function to determine pair sorted order.
284 (num_coalesce_pairs): Number of coalesced pairs.
285 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
286 Coalesce pair iterator functions.
287 (sort_coalesce_list): Sort coalesce pairs in order of expense.
288 (dump_coalesce_list): Show coalesce list.
289 (ssa_conflicts_new): Create an SSA conflict graph.
290 (ssa_conflicts_delete): Delete an SSA conflict graph.
291 (ssa_conflicts_test_p): Test for conflicts.
292 (ssa_conflicts_add_one): Add a single conflict.
293 (ssa_conflicts_add): Add a conflict pair.
294 (ssa_conflicts_merge): Merge conflicts.
295 (struct live_track_d): Struct for tracking live partitions.
296 (new_live_track): Create new live_track object.
297 (delete_live_track): Delete a live_track object.
298 (live_track_remove_partition): Remove a partition from the live list.
299 (live_track_add_partition): Add a partition from the live list.
300 (live_track_clear_var): Take VAR from the live list.
301 (live_track_live_p): Is var live?
302 (live_track_process_use): Make var come alive.
303 (live_track_process_def): Make var go dead, add conflicts.
304 (live_track_init): Initialize to a live on exit set.
305 (live_track_clear_base_vars): Clear live partitions.
306 (build_ssa_conflict_graph): Build a conflict graph.
307 (print_exprs): Common debug output routine.
308 (abnormal_corrupt): Output info about a failed coalesce across an
310 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
311 (create_outofssa_var_map): Create a var map and coalesce list.
312 (attempt_coalesce): Coalesce a pair.
313 (coalesce_partitions): Coalesce all pairs in a coalesce list.
314 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
315 * tree-ssa-live.c: Remove header files which aren't needed.
316 (var_map_base_init): New. Initialize a basevar list.
317 (var_map_base_fini): New. Finish a basevar list.
318 (init_var_map): Initialize new fields.
319 (delete_var_map): Free new fields.
320 (var_union): Use renamed fields.
321 (compact_var_map): Remove.
322 (partition_to_view_init): Use renamed fields, change order of an if.
323 (partition_view_fini): Use renamed fields.
324 (partition_view_normal): Create basevar list if requested.
325 (partition_view_bitmap): Create a view based on a bitmap of partitions.
326 (change_partition_var): Use renamed fields.
327 (create_ssa_var_map): Remove.
328 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
329 root_var_init): Remove.
330 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
331 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
332 compare_pairs, num_coalesce_pairs, first_partition_pair,
333 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
334 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
335 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
336 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
337 (dump_var_map): Use renamed fields.
338 * tree-ssa-live.h (struct _var_map): Modify fields.
339 (partition_to_var, version_to_var, var_to_partition): Use renamed
341 (basevar_index): New. Index of the base variable of a partition.
342 (num_basevars): New. Number of unique base variables in partition map.
343 (register_ssa_partition): Use renamed fields.
344 (struct tree_partition_associator_d): Remove.
345 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
346 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
347 root_var, root_var_first_partition, root_var_next_partition,
348 root_var_dump, root_var_delete, root_var_remove_partition,
349 root_var_find, root_var_compact, root_var_decompact): Remove.
350 (struct partition_pair, struct coalesce_list_d): Moved to
352 * tree-ssa-ter.c: Remove header files which aren't needed.
354 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
356 * cse.c: (struct cse_basic_block_data): Remove LAST field.
357 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
359 (cse_visited_basic_blocks): New static bitmap.
360 (cse_end_of_basic_block, cse_basic_block): Remove.
361 (cse_find_path, cse_dump_path, cse_prescan_path,
362 cse_extended_basic_block): New static functions.
363 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
364 basic block boundaries. Don't record jump equivalences here.
365 Update the CFG after doing in-place replacement of the SET_SRC.
366 (cse_main): Rewrite. Look for extended basic block headers
367 and call cse_extended_basic_block on them until all paths that
368 start at this header are exhausted.
369 (rest_of_handle_cse): Verify that the CFG is incrementally updated
370 and correct after cse_main.
371 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
372 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
373 (pass_cse): Add TODO_verify_flow.
374 (pass_cse2): Likewise.
376 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
378 * reload1.c (choose_reload_regs): Don't set byte offset when
379 resolving subregs of hard regs.
381 2006-12-09 Zack Weinberg <zackw@panix.com>
383 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
384 suitable for the language, if set_yydebug is true.
385 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
386 YYDEBUG or declare yydebug.
387 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
389 2006-12-09 Jan Hubicka <jh@suse.cz>
391 * cgraph.c: Update copyright.
393 (cgraph_update_pending_function): Remove prototype.
394 * cgraphunit.c: Update copyright; update overall comment.
395 (cgraph_assemble_pending_functions): Make local.
397 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
399 * haifa-sched.c (schedule_block): Remove excessive sanity check.
401 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
403 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
405 (cpat_const_p, gen_cpat_const): Add.
406 * config/spu/spu.c (immediate_class): New enum.
407 (cpat_info, classify_immediate): New.
408 (print_operand): Use S, D, T instead of F, G, H. Use
409 classify_immediate. Handle cpat cases.
410 (spu_split_immediate): Renamed from spu_split_address. Split all
411 immediates that can be split.
412 (immediate_load_p): Use classify_immediate.
413 (spu_legitimate_constant_p): Accept everything except some cases of
415 (spu_expand_move): Use spu_split_immedate.
416 (fsmbi_const_p): Use classify_immediate.
418 (gen_cpat_const: New.
419 * config/spu/constraints.md (j,k,l): New constraints for cpat
421 * config/spu/spu.md (unnamed splitter): Change address splitter to
422 handle all immediates.
423 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
425 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
428 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
431 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
432 patterns. Correct length of high:DI instruction sequence.
434 2006-12-08 Mike Stump <mrs@apple.com>
436 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
437 libgcc with -mmacosx-version-min=10.4.
438 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
439 G4 for 10.5+ unless doing kernel builds.
441 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
444 * reg-stack.c (convert_regs_entry): Mark current argument passing
447 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
448 of float arguments in x87 registers.
450 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
452 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
454 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
456 * recog.c (mode_dependent_address_p): Identify pre-increment,
457 pre-decrement, post-increment and post-decrement addressing as always
458 being mode-dependent.
459 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
460 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
461 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
462 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
463 PRE_INC and POST_INC checks.
464 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
465 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
466 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
467 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
468 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
469 PRE_INC, POST_DEC and POST_INC cases.
470 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
471 Delete POST_INC and PRE_DEC cases.
472 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
474 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
475 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
477 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
478 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
479 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
480 PRE_INC and PRE_DEC cases.
481 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
482 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
483 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
484 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
485 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
486 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
487 auto-increment cases.
488 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
489 auto-increment cases.
490 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
492 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
494 * Makefile.in: Add new file tree-ssa-ter.c.
495 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
496 free_temp_expr_table, add_value_to_version_list,
497 add_value_to_partition_list, remove_value_from_partition_list,
498 add_dependence, check_replaceable, finish_expr, mark_replaceable,
499 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
500 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
501 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
503 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
504 (struct value_expr_d): Remove.
505 (struct temp_expr_table_d): Rename fields, add explicit vector of
506 replaceable expressions instead of sharing. Change value_expr_p's to
507 bitmap. Delete free_list.
508 (new_temp_expr_table): Rename fields, count number of ssa_names in
510 (free_temp_expr_table): Rename field, free new fields.
511 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
512 add_info_to_list, remove_value_from_list): Delete.
513 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
514 (make_dependent_on_partition): New. Set bit in version list, allocating
516 (add_to_partition_kill_list): New. Set bit in the partition list,
517 allocating a bitmap if need be.
518 (remove_from_partition_kill_list): New. Remove a bit from the
519 partition list, free the bitmap if it is empty.
520 (add_dependence): Use renamed field, cleanup. Don't add a dependence
521 on partitions with only one member.
522 (is_replaceable_p): New. Split out replaceability check from
524 (process_replaceable): New. Code split from check_replaceable.
525 (check_replaceable): Removed.
526 (finished_with_expr): Renamed from finish_expr.
527 (kill_expr): Use renamed fields and less parameters.
528 (kill_virtual_exprs): Less parameters.
529 (mark_replaceable): Use renamed fields.
530 (find_replaceable_in_bb): Use renamed fields, cleanup.
531 (find_replaceable_exprs): Use renamed routines, cleanup.
532 (dump_replaceable_exprs): Don't go past end of ssa_names list.
533 (debug_ter): New. Debug routine to dump state.
535 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
537 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
538 anything involving the GOT.
539 (bfin_adjust_cost): Don't take the REGNO of a MEM.
540 (trapping_loads_p): Look inside the pattern of an insn to find the
542 * config/bfin/bfin.md (attr "type"): Add movcc.
543 (insn_reservation "alu"): Likewise.
544 (movsicc_insn1, movsicc_insn2): Change type to movcc.
546 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
548 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
549 (spu_resolve_overloaded_builtin): Check for non scalar instead
550 of vector type and check the function call argument type also for
552 Call build_function_call instead of spu_build_overload_builtin.
554 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
556 * config/spu/spu.c (array_to_constant): Correct the order of arguments
557 to the calls of hwint_to_const_double.
559 2006-12-07 Nick Clifton <nickc@redhat.com>
561 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
562 elf_record_gcc_switches.
564 2006-12-07 Andrew Macleod <amacleod@redhat.com>
566 * expr.c (string_constant): Account for non-zero lower bound arrays.
568 2006-12-07 Richard Guenther <rguenther@suse.de>
570 * builtins.c (expand_builtin_pow): Adjust predicates for
571 pow to cbrt expansion to unsafe math and !HONOR_NANS for
574 2006-12-07 Jan Hubicka <jh@suse.cz>
576 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
579 2006-12-07 Jan Hubicka <jh@suse.cz>
581 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
582 use fold_constant_to_binary; tolerate wrong type constants.
583 (value_intersect_p): Do just two tests.
585 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
587 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
588 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
589 lshifthi3): Use it, and fix the order of alternatives.
591 2006-12-07 Nick Clifton <nickc@redhat.com>
593 * common.opt (record-gcc-switches): New command line switch.
594 * target.h (print_switch_type): New enum.
595 (print_switch_fn_type): New typedef for a function pointer.
596 (struct gcc_target): Add record_gcc_switches and
597 record_gcc_switches_section fields.
598 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
600 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
602 * toplev.c (print_single_switch): Simplify by providing a
603 pointer to function that will format and output the switch
605 (print_switch_values): Likewise.
606 (print_to_asm_out_file): New function.
607 (print_to_stderr): New function.
608 (init_asm_output): If flag_record_gcc_switches is set then if
609 the target supports recording the switches then emit them into
610 the assembler output file, otherwise tell the user that the
611 switch is not supported.
612 * varasm.c (eld_record_gcc_switches): New function. Example
613 handler for the record_gcc_switches target hook.
614 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
616 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
617 * doc/invoke.texi (-frecord-gcc-switches): Document.
619 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
622 * sched-rgn.c (add_block1): Use correct initializer.
624 2006-12-07 Richard Guenther <rguenther@suse.de>
626 * tree-vect-transform.c (vectorizable_call): Fix leftover of
627 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
629 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
632 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
633 not GIMPLE_MODIFY_STMT.
635 2006-12-06 Jan Hubicka <jh@suse.cz>
637 * tree-vrp.c (operand_less_p): New.
638 (compare_values, value_inside_range): Rewrite in terms of
641 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
643 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
645 (length_immediate): Do not depend on cld type attribute.
646 (length_address): Ditto.
649 (cld): Remove insn pattern.
650 (strmov_singleop): Do not use DIRFLAG_REG.
651 (*strmovdi_rex_1): Ditto.
652 (*strmovsi_1): Ditto.
653 (*strmovsi_rex_1): Ditto.
654 (*strmovhi_1): Ditto.
655 (*strmovhi_rex_1): Ditto.
656 (*strmovqi_1): Ditto.
657 (*strmovqi_rex_1): Ditto.
659 (*rep_movdi_rex64): Ditto.
661 (*rep_movsi_rex64): Ditto.
663 (*rep_movqi_rex64): Ditto.
664 (strset_singleop): Ditto.
665 (*strsetdi_rex_1): Ditto.
666 (*strsetsi_1): Ditto.
667 (*strsetsi_rex_1): Ditto.
668 (*strsethi_1): Ditto.
669 (*strsethi_rex_1): Ditto.
670 (*strsetqi_1): Ditto.
671 (*strsetqi_rex_1): Ditto.
673 (*rep_stosdi_rex64): Ditto.
674 (*rep_stossi): Ditto.
675 (*rep_stossi_rex64): Ditto.
676 (*rep_stosqi): Ditto.
677 (*rep_stosqi_rex64): Ditto.
678 (cmpstrnsi): Do not generate cld insn.
679 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
680 (*cmpstrnqi_nz_1): Ditto.
681 (*cmpstrnqi_nz_rex_1): Ditto.
682 (cmpstrnqi_1): Ditto.
683 (*cmpstrnqi_1): Ditto.
684 (*cmpstrnqi_rex_1): Ditto.
686 (*strlenqi_1): Ditto.
687 (*strlenqi_rex_1): Ditto.
689 * config/i386/geode.md (shift): Do not depend on cld type attribute.
690 * config/i386/pentium.md (pent_cld): Remove insn reservation.
691 * config/i386/athlon.md (athlon_decode): Do not depend on cld
693 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
694 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
696 (k6_alux_only_load): Ditto.
697 (k6_alux_only_store): Ditto.
699 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
700 Do not emit cld instruction.
701 (ix86_expand_setmem): Ditto.
702 (ix86_expand_strlen): Do not emit cld instruction.
704 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
706 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
709 2006-12-06 Diego Novillo <dnovillo@redhat.com>
711 * gdbinit.in: Set complaints to 0.
713 2006-12-06 Jan Hubicka <jh@suse.cz>
715 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
716 ALONE_MEM_STAT_DECL): New macros.
717 * bitmap.h: Include statistics.h
718 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
719 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
720 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
721 * bitmap.c: Include hashtab.h
722 (bitmap_descriptor): New.
723 (bitmap_hash): New static variable
724 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
725 New static functions.
726 (bitmap_register): New.
727 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
728 bitmap_obstack_release): Do accounting.
729 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
731 (bitmap_gc_alloc_stat): Likewise.
732 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
733 (print_statistics, dump_bitmap_statistics): New functions.
734 * toplev.c (finalize): Dump bitmap statistics.
736 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
738 * reload1.c (delete_output_reload): Count occurrences in
739 CALL_INSN_FUNCTION_USAGE.
740 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
741 crashing at the end of the list.
743 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
745 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
746 Optimize to avoid marking more SMT's as used when they aren't.
748 2006-12-05 Eric Christopher <echristo@apple.com>
750 * config/i386/i386.c (x86_output_aligned_bss): Move out
751 of COMMON_ASM_OP ifdef.
753 2006-12-05 Eric Christopher <echristo@apple.com>
755 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
756 (STARTFILE_SPEC): Use.
757 (DARWIN_DYLIB1_SPEC): New.
758 (DARWIN_CRT1_SPEC): New.
759 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
761 * config/i386/darwin.h: Ditto.
762 * config/rs6000/darwin.h: Ditto.
764 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
766 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
767 * tree-complex.c (pass_lower_complex): Ditto.
768 * tree-ssa-ccp.c (pass_ccp): Ditto.
769 (pass_store_ccp): Ditto.
770 * tree-ssa-dom.c (pass_dominator): Ditto.
771 (pass_phi_only_cprop): Ditto.
772 * tree-sra.c (pass_sra): Ditto.
773 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
774 * tree-flow.h (updating_used_alone): Remove.
775 (updating_used_alone): Ditto.
776 * tree-ssa-alias.c (updating_used_alone): Remove variable.
777 (lhs_may_store_to): Remove function.
778 (recalculate_used_alone): Ditto.
779 (compute_may_aliases): Remove used_alone calculation.
780 * tree.h (struct tree_memory_tag): Remove is_used_alone and
781 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
782 * tree-pass.h (PROP_smt_usage): Remove.
783 * passes.c (execute_todo): Remove used alone recalculation.
784 (execute_one_pass): Ditto.
785 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
788 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
790 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
792 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
794 PR tree-optimization/14784
795 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
797 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
799 Merge from gimple-tuples-branch.
801 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
803 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
805 (s390_gimplify_va_arg): Same.
806 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
807 * config/sh/sh.c (sh_va_start): Same.
808 (sh_gimplify_va_arg_expr): Same.
809 * config/xtensa/xtensa.c (xtensa_va_start): Same.
810 (xtensa_gimplify_va_arg_expr): Same.
811 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
812 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
813 * config/mips/mips.c (mips_va_start): Same.
814 (mips_gimplify_va_arg_expr): Same.
816 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
818 * Merge from mainline at revision 119445.
820 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
822 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
824 (spu_gimplify_va_arg_expr): Same.
826 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
828 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
829 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
830 (xstormy16_expand_builtin_va_arg): Same.
832 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
834 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
835 to GIMPLE_MODIFY_STMT.
837 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
839 * config/alpha/alpha.c (va_list_skip_additions): Change all
840 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
841 (alpha_va_start): Same.
842 (alpha_gimplify_va_arg_1): Same.
843 (alpha_gimplify_va_arg): Same.
845 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
847 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
849 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
851 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
852 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
854 * tree-complex.c: Same.
855 * tree-pretty-print.c: Same.
859 * fold-const.c: Same.
860 * tree-ssa-dom.c: Same.
861 * tree-ssa-propagate.c: Same.
862 * tree-ssa-alias.c: Same.
863 * gimple-low.c: Same.
865 * c-pretty-print.c: Same.
867 * tree-inline.c: Same.
868 * tree-outof-ssa.c: Same.
869 * tree-ssa-structalias.c: Same.
870 * tree-ssa-reassoc.c: Same.
873 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
875 * tree.c (build2_stat): Fix comment.
877 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
879 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
880 TREE_OPERAND when appropriate.
882 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
884 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
885 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
886 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
887 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
888 not handle GIMPLE_MODIFY_STMT in the switch statement.
889 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
890 (java_gimplify_new_array_init): Same.
892 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
894 * gimplify.c (gimplify_omp_for): Allow gimple statements.
895 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
896 * fold-const.c (fold_binary): Allow gimple statements.
898 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
899 Rename from gfc_conv_descriptor_data_set.
900 Call gfc_add_modify instead of gfc_add_modify_expr.
901 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
902 Rename from gfc_conv_descriptor_data_set.
903 (gfc_conv_descriptor_data_set): New macro.
904 (gfc_conv_descriptor_data_set_tuples): New macros.
905 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
906 gfc_conv_descriptor_data_set_tuples.
907 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
908 Generate GIMPLE_MODIFY_STMT when appropriate.
909 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
910 (gfc_add_modify_expr): New macro.
911 (gfc_add_modify_stmt): New macro.
912 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
914 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
916 * Merge from mainline at revision 118200.
918 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
920 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
923 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
925 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
927 Also, add __extension__ to GCC versions.
928 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
929 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
932 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
934 * tree-complex.c (expand_complex_libcall): Adjust for
936 (expand_complex_comparison): Same.
937 * tree-pretty-print.c (dump_generic_node): Is_expr should include
938 GIMPLE_STMT_P statements.
939 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
941 (tree_mod_pow2_value_transform): Same.
942 (tree_mod_subtract_transform): Same.
943 * tree.c (build2_stat): Check for gimplified function in cfun.
944 * tree.h (DECL_GIMPLIFIED): Delete.
945 (struct tree_function_decl): Remove gimplified_flag.
946 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
947 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
948 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
949 (cxx_omp_clause_copy_ctor): Same.
950 (cxx_omp_clause_assign_op): Same.
951 * c-pretty-print.c (pp_c_conditional_expression): Same.
952 (pp_c_expression): Same.
953 * langhooks.c (lhd_omp_predetermined_sharing): Same.
954 * function.h (struct function): Add gimplified field.
955 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
957 (find_phi_replacement_condition): Same.
958 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
959 (gimplify_modify_expr_to_memset): Same.
960 (gimplify_init_ctor_eval_range): Same.
961 (gimplify_modify_expr_complex_part): Same.
962 (tree_to_gimple_tuple): Same.
963 (gimplify_modify_expr): Same.
964 (gimple_push_cleanup): Same.
965 (gimplify_omp_for): Same.
966 (gimplify_omp_atomic_pipeline): Same.
967 (gimplify_omp_atomic_mutex): Same.
968 (gimplify_expr): Same.
969 (gimplify_one_sizepos): Same.
970 (gimplify_function_tree): Same.
971 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
972 (vect_recog_widen_sum_pattern): Same.
973 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
974 (vect_create_epilog_for_reduction): Same.
975 (vectorizable_reduction): Same.
977 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
979 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
980 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
981 (ifc_temp_var): Same.
982 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
983 for gimple statements.
984 (vect_analyze_operations): Same.
985 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
986 * gimplify.c (gimplify_return_expr): Handle gimple statements.
987 * lambda-code.c (can_put_in_inner_loop): Same.
988 (can_put_after_inner_loop): Same.
989 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
990 (vect_create_data_ref_ptr): Same.
991 (vect_init_vector): Same.
992 (vect_get_vec_def_for_operand): Same.
993 (vect_create_epilog_for_reduction): Same.
994 (vectorizable_reduction): Same.
995 (vectorizable_assignment): Same.
996 (vectorizable_operation): Same.
997 (vectorizable_load): Same.
998 (vectorizable_condition): Same.
999 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1000 (rs6000_gimplify_va_arg): Same.
1002 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1004 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1005 GIMPLE_STMT_OPERAND.
1006 (simplify_abs_using_ranges): Same.
1007 * tree-complex.c (expand_complex_operations_1): Use
1008 PROTECTED_TREE_OPERAND.
1009 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1011 (get_val_for): Use GIMPLE_STMT_OPERAND.
1012 * tree-tailcall.c (adjust_accumulator_values): Same.
1013 (adjust_return_value): Same.
1014 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1015 case. Remove special case for tcc_gimple_stmt.
1016 * tree.h (CAN_HAVE_LOCATION_P): New.
1017 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1019 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1020 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1021 * tree-nrv.c (execute_return_slot_opt): Same.
1022 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1023 * tree-vn.c (set_value_handle): Same.
1024 (get_value_handle): Same.
1025 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1026 * tree-vectorizer.c (find_loop_location): Same.
1027 * c-typeck.c (c_process_expr_stmt): Same.
1028 (c_finish_stmt_expr): Same.
1029 * gimplify.c (should_carry_locus_p): Same.
1030 (tree_to_gimple_tuple): Delete definition and use of unecessary
1031 variable save_tree_block.
1032 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1033 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1034 (realify_fake_stores): Same.
1035 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1037 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1038 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1039 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1040 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1041 (c_parser_statement_after_labels): Same.
1042 (c_parser_paren_condition): Same.
1043 (c_parser_for_statement): Same.
1044 (c_parser_omp_for_loop): Same.
1045 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1046 (linearize_expr_tree): Same.
1047 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1048 * function.c (instantiate_expr): Same.
1050 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1052 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1053 (set_expr_location): Same.
1055 (set_expr_locus): Same.
1056 (expr_filename): Same.
1057 (expr_lineno): Same.
1058 (tree_block): Use GIMPLE_STMT_BLOCK.
1059 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1060 * tree.h (struct gimple_stmt): Remove prev and next.
1061 (GIMPLE_STMT_OPERAND_CHECK): New.
1062 (TREE_TO_GIMPLE_STMT): Delete.
1063 (GIMPLE_STMT_TO_TREE): Delete.
1064 (GIMPLE_STMT_OPERAND): Use union, not cast.
1065 (GIMPLE_STMT_LOCUS): New.
1066 (GIMPLE_STMT_BLOCK): New.
1067 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1069 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1071 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1073 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1075 * tree-tailcall.c (adjust_return_value): Same.
1076 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1077 (copy_node_stat): Change common.base to base.
1078 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1079 Remove GIMPLE_STATEMENT_LIST case.
1080 * tree.h (struct gimple_stmt): Make operands of type tree.
1081 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1082 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1083 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1084 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1085 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1086 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1087 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1088 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1089 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1090 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1091 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1092 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1093 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1094 Change common.base to base.
1095 (GIMPLE_STATEMENT_LIST*): Remove.
1096 (union tree_node): Add base. Remove gimple_statement_list.
1097 Remove pointer from gstmt.
1098 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1099 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1100 * tree-vn.c (vn_compute): Change common.base to base.
1101 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1102 * tree-flow-inline.h (var_ann): Same.
1103 (function_ann): Same.
1105 (mark_non_addressable): Same.
1106 * gimplify.c (tree_to_gimple_tuple): Same.
1107 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1108 * tree-dfa.c (create_var_ann): Change common.base to base.
1109 (create_function_ann): Same.
1110 (create_stmt_ann): Same.
1111 (create_tree_ann): Same.
1112 (collect_dfa_stats_r): Same.
1113 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1114 * tree-ssa-dce.c (NECESSARY): Same.
1115 * tree-ssa.c (delete_tree_ssa): Same.
1116 * tree-optimize.c (execute_free_cfg_annotations): Same.
1117 * tree-flow.h: Same.
1119 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1121 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1122 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1124 * tree.h (struct gimple_stmt): Add prev and next fields.
1125 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1126 (GIMPLE_STATEMENT_LIST_HEAD): New.
1127 (GIMPLE_STATEMENT_LIST_TAIL): New.
1128 (struct gimple_statement_list): New.
1129 (union tree_node): Add gimple_stmt_list and gstmt.
1130 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1131 * tree.def: Add GIMPLE_STATEMENT_LIST.
1133 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1135 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1136 * tree-vrp.c (build_assert_expr_for): Change uses of
1137 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1138 (find_assert_locations): Same.
1139 (remove_range_assertions): Same.
1140 (stmt_interesting_for_vrp): Same.
1141 (vrp_visit_assignment): Same.
1142 (vrp_visit_stmt): Same.
1143 (simplify_cond_using_ranges): Same.
1144 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1146 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1147 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1149 (determine_invariantness_stmt): Same.
1150 (schedule_sm): Same.
1151 (gather_mem_refs_stmt): Same.
1152 * tree-complex.c (init_dont_simulate_again): Same.
1153 (complex_visit_stmt): Same.
1154 (set_component_ssa_name): Same.
1155 (expand_complex_move): Same.
1156 (expand_complex_div_wide): Same.
1157 (expand_complex_comparison): Same.
1158 (expand_complex_operations_1): Same.
1159 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1160 (chain_of_csts_start): Same.
1161 (infer_loop_bounds_from_undefined): Same.
1162 * tree-pretty-print.c (dump_generic_node): Same.
1164 (op_symbol_1): Same.
1165 * tree-ssa-loop-manip.c (create_iv): Same.
1166 * value-prof.c (tree_divmod_fixed_value): Same.
1167 (tree_divmod_fixed_value_transform): Same.
1168 (tree_mod_pow2): Same.
1169 (tree_mod_pow2_value_transform): Same.
1170 (tree_mod_subtract): Same.
1171 (tree_mod_subtract_transform): Same.
1172 (tree_divmod_values_to_profile): Same.
1173 * tree-tailcall.c (process_assignment): Same.
1174 (find_tail_calls): Same.
1175 (adjust_accumulator_values): Same.
1176 (adjust_return_value): Same.
1177 (eliminate_tail_call): Same.
1178 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1179 (make_node_stat): Same.
1180 (copy_node_stat): Handle gimple tuples.
1181 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1182 (tree_node_structure): Handle tcc_gimple_stmt.
1183 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1185 (build2_gimple_stat): New.
1186 (expr_location): New.
1187 (set_expr_location): New.
1188 (expr_has_location): New.
1190 (set_expr_locus): New.
1191 (expr_filename): New.
1193 (walk_tree): Handle tcc_gimple_stmt.
1195 (protected_tree_operand): New.
1196 (protected_tree_type): New.
1197 (tree_code_kind): Add gimple statements.
1198 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1199 (IS_GIMPLE_STMT_CODE_CLASS): New.
1200 (struct tree_base): New.
1201 (struct tree_common): Shrink.
1202 (struct gimple_stmt): New.
1203 (struct gimple_expr): New.
1204 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1205 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1206 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1207 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1208 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1209 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1210 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1211 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1212 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1213 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1214 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1215 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1216 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1217 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1218 Adjust for new `common' layout.
1219 (struct tree_function_decl): Add gimplified_flag.
1220 (DECL_GIMPLIFIED): NEW.
1221 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1222 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1223 EXPR_HAS_LOCATION): Call corresponding function.
1224 (GIMPLE_STMT_CHECK): New.
1225 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1226 (TREE_BLOCK): Call tree_block.
1227 (GIMPLE_STMT_P): New.
1228 (GIMPLE_TUPLE_P): New.
1229 (TREE_TO_GIMPLE_STMT): New.
1230 (GIMPLE_STMT_TO_TREE): New.
1231 (GIMPLE_STMT_OPERAND): New.
1232 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1233 (PROTECTED_TREE_OPERAND): New.
1234 (PROTECTED_TREE_TYPE): New.
1235 (build2_gimple_stat): Protoize.
1236 (build2_gimple): New.
1237 (expr_location): Protoize.
1238 (set_expr_location): Protoize.
1239 (expr_has_location): Protoize.
1240 (expr_locus): Protoize.
1241 (set_expr_locus): Protoize.
1242 (expr_filename): Protoize.
1243 (expr_lineno): Protoize.
1244 (tree_block): Protoize.
1245 (protected_tree_operand): Protoize.
1246 (protected_tree_type): Protoize.
1247 (enum tree_node_kind): Add gimple_stmt_kind.
1248 * c-decl.c (union lang_tree_node): Tuples do not have a
1250 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1251 GIMPLE_MODIFY_STMT and adjust accordingly.
1252 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1253 (interpret_condition_phi): Same.
1254 (pointer_used_p): Same.
1255 (analyze_scalar_evolution_1): Same.
1256 (scev_const_prop): Same.
1257 (interpret_rhs_modify_stmt): Rename from
1258 interpret_rhs_modify_expr.
1259 * builtins.c (std_expand_builtin_va_start): Change uses of
1260 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1261 (std_gimplify_va_arg_expr): Same.
1262 (expand_builtin_va_copy): Same.
1263 (integer_valued_real_p): Same.
1264 * fold-const.c (maybe_lvalue_p): Same.
1266 (tree_expr_nonnegative_p): Same.
1267 (tree_expr_nonzero_p): Same.
1268 * omp-low.c (extract_omp_for_data): Same.
1269 (lower_rec_input_clauses): Same.
1270 (lower_reduction_clauses): Same.
1271 (lower_copyprivate_clauses): Same.
1272 (lower_send_clauses): Same.
1273 (lower_send_shared_vars): Same.
1274 (expand_parallel_call): Same.
1275 (expand_omp_parallel): Same.
1276 (expand_omp_for_generic): Same.
1277 (expand_omp_for_static_nochunk): Same.
1278 (expand_omp_for_static_chunk): Same.
1279 (expand_omp_sections): Same.
1280 (lower_omp_single_copy): Same.
1281 (lower_omp_parallel): Same.
1282 * tree-ssa-dse.c (memory_address_same): Same.
1283 (dse_optimize_stmt): Same.
1284 * ipa-reference.c (scan_for_static_refs): Same.
1285 * tree-gimple.c (is_gimple_reg_rhs): Same.
1286 (get_call_expr_in): Same.
1287 (recalculate_side_effects): Same.
1288 * cgraphunit.c (cgraph_create_edges): Same.
1289 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1290 * tree-ssa-ccp.c (get_default_value): Same.
1291 (likely_value): Same.
1292 (visit_assignment): Same.
1293 (ccp_visit_stmt): Same.
1294 (get_maxval_strlen): Same.
1295 (ccp_fold_builtin): Same.
1296 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1297 (find_givs_in_stmt): Same.
1298 (find_interesting_uses_op): Same.
1299 (find_interesting_uses_stmt): Same.
1300 (rewrite_use_nonlinear_expr): Same.
1301 * ipa-pure-const.c (scan_function): Same.
1302 * tree-stdarg.c (va_list_counter_bump): Same.
1303 (check_all_va_list_escapes): Same.
1304 (execute_optimize_stdarg): Same.
1305 * tree-ssa-math-opts.c (compute_merit): Same.
1306 (insert_reciprocals): Same.
1307 (execute_cse_reciprocals): Same.
1308 * tree-ssa-dom.c (initialize_hash_element): Same.
1309 (simple_iv_increment_p): Same.
1310 (record_equivalences_from_stmt): Same.
1311 (optimize_stmt): Same.
1312 (remove_stmt_or_phi): Same.
1313 (get_rhs_or_phi_arg): Same.
1314 (get_lhs_or_phi_result): Same.
1315 (propagate_rhs_into_lhs): Same.
1316 * tree-nrv.c (tree_nrv): Same.
1317 (execute_return_slot_opt): Same.
1318 * tree-ssa-propagate.c (get_rhs): Same.
1320 (stmt_makes_single_load): Same.
1321 (stmt_makes_single_store): Same.
1322 (replace_vuses_in): Same.
1323 (fold_predicate_in): Same.
1324 (substitute_and_fold): Same.
1325 * tree-ssa-alias.c (compute_call_clobbered): Same.
1326 (recalculate_used_alone): Same.
1327 (count_uses_and_derefs): Same.
1328 (is_escape_site): Same.
1329 (find_used_portions): Same.
1330 * gimple-low.c (lower_stmt): Same.
1331 (block_may_fallthru): Same.
1332 (lower_return_expr): Same.
1333 * tree-ssa-sink.c (is_hidden_global_store): Same.
1334 (statement_sink_location): Same.
1335 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1336 * expr.c (safe_from_p): Same.
1337 (expand_expr_real): Same.
1338 (expand_expr_real_1): Same.
1339 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1340 * predict.c (expr_expected_value): Same.
1341 (strip_builtin_expect): Same.
1342 (apply_return_prediction): Same.
1343 (tree_bb_level_predictions): Same.
1344 (tree_estimate_probability): Same.
1345 * tree-vn.c (vn_compute): Same.
1346 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1347 (remove_stmt_from_eh_region_fn): Same.
1348 (do_return_redirection): Same.
1349 (honor_protect_cleanup_actions): Same.
1350 (lower_try_finally_switch): Same.
1351 (lower_eh_constructs_1): Same.
1352 (tree_could_throw_p): Same.
1353 (verify_eh_throw_stmt_node): Same.
1354 * function.c (gimplify_parameters): Same.
1355 * tree-vectorizer.c (vect_is_simple_use): Same.
1356 (vect_is_simple_reduction): Same.
1357 * ipa-type-escape.c (scan_for_refs): Same.
1358 * tree-if-conv.c (tree_if_conversion): Same.
1359 (tree_if_convert_stmt): Same.
1360 (if_convertible_gimplify_modify_stmt_p): Rename from
1361 if_convertible_modify_expr_p.
1362 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1363 (ifc_temp_var): Same.
1364 (replace_phi_with_cond_modify_stmt): Rename from
1365 replace_phi_with_cond_modify_expr.
1366 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1367 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1368 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1370 * tree-flow-inline.h (var_ann): Same.
1371 (function_ann): Same.
1373 (mark_non_addressable): Same.
1374 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1375 * gimplify.c (tree_to_gimple_tuple): New.
1376 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1377 (gimplify_return_expr): Same.
1378 (gimplify_decl_expr): Same.
1379 (gimplify_self_mod_expr): Same.
1380 (gimplify_cond_expr): Same.
1381 (gimplify_init_constructor): Same.
1382 (gimplify_modify_expr): Same.
1383 (gimplify_expr): Same.
1384 (gimplify_function_tree): Same.
1385 (force_gimple_operand): Same.
1386 * tree-ssa-phiopt.c (conditional_replacement): Same.
1387 (minmax_replacement): Same.
1388 (abs_replacement): Same.
1389 * tree-dfa.c (create_var_ann): Same.
1390 (create_function_ann): Same.
1391 (create_stmt_ann): Same.
1392 (create_tree_ann): Same.
1393 (collect_dfa_stats_r): Same.
1394 * tree-ssa-pre.c (find_or_generate_expression): Same.
1395 (create_expression_by_pieces): Same.
1396 (try_look_through_load): Same.
1397 (insert_fake_stores): Same.
1398 (realify_fake_stores): Same.
1399 (compute_avail): Same.
1402 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1403 Adjust for GIMPLE_MODIFY_STMT.
1404 (NECESSARY): Adjust for new `common' layout.
1405 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1407 * tree-sra.c (sra_walk_modify_stmt): Rename from
1408 sra_walk_modify_expr.
1409 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1410 (generate_copy_inout): Same.
1411 (generate_element_copy): Same.
1412 (generate_element_zero): Same.
1413 (scalarize_copy): Same.
1414 * tree-mudflap.c (mf_decl_cache_locals): Same.
1415 (mf_build_check_statement_for): Same.
1416 (mf_xform_derefs): Same.
1417 * ipa-prop.c (ipa_method_modify_stmt): Same.
1418 * print-tree.c (print_node): Handle gimple tuples.
1419 Add case for tcc_gimple_stmt.
1420 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1422 (copy_prop_visit_assignment): Same.
1423 (copy_prop_visit_stmt): Same.
1424 (init_copy_prop): Same.
1425 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1426 (forward_propagate_into_cond_1): Same.
1427 (find_equivalent_equality_comparison): Same.
1428 (tidy_after_forward_propagate_addr): Same.
1429 (forward_propagate_addr_expr_1): Same.
1430 (simplify_not_neg_expr): Same.
1431 (simplify_switch_expr): Same.
1432 * tree-ssa-dce.c (find_pdom): Same.
1433 (mark_stmt_if_obviously_necessary): Same.
1434 (NECESSARY): Adjust for new `common' layout.
1435 * tree-flow.h: Same.
1436 * tree-vect-patterns.c (widened_name_p): Adjust for
1438 (vect_recog_dot_prod_pattern): Same.
1439 (vect_recog_widen_sum_pattern): Same.
1440 (vect_pattern_recog_1): Same.
1441 * tree-nested.c (init_tmp_var): Same.
1442 (save_tmp_var): Same.
1444 (convert_call_expr): Same.
1445 (finalize_nesting_tree_1): Same.
1446 * tree-ssa.c (verify_ssa): Same.
1447 (delete_tree_ssa): Same.
1448 * lambda-code.c (lbv_to_gcc_expression): Same.
1449 (lle_to_gcc_expression): Same.
1450 (lambda_loopnest_to_gcc_loopnest): Same.
1451 (can_put_in_inner_loop): Same.
1452 (can_convert_to_perfect_nest): Same.
1453 (perfect_nestify): Same.
1454 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1455 * tree-inline.c (copy_body_r): Same.
1456 (setup_one_parameter): Same.
1457 (initialize_inlined_parameters): Same.
1458 (estimate_num_insns_1): Same.
1459 (expand_call_inline): Same.
1460 (gimple_expand_calls_inline): Same.
1461 (copy_tree_r): Same.
1462 * tree-optimize.c (execute_free_cfg_annotations): Same.
1463 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1464 (vect_align_data_ref): Same.
1465 (vect_create_data_ref_ptr): Same.
1466 (vect_init_vector): Same.
1467 (vect_create_epilog_for_reduction): Same.
1468 (vectorizable_reduction): Same.
1469 (vectorizable_assignment): Same.
1470 (vectorizable_operation): Same.
1471 (vectorizable_store): Same.
1472 (vectorizable_load): Same.
1473 (vectorizable_live_operation): Same.
1474 (vectorizable_condition): Same.
1475 (vect_generate_tmps_on_preheader): Same.
1476 (vect_create_cond_for_align_checks): Same.
1477 * tree-object-size.c (collect_object_sizes_for): Same.
1478 (check_for_plus_in_loops_1): Same.
1479 (check_for_plus_in_loops): Same.
1480 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1481 (replace_use_variable): Same.
1482 (check_replaceable): Same.
1483 (rewrite_trees): Same.
1484 (identical_copies_p): Same.
1485 (insert_backedge_copies): Same.
1486 * tree-profile.c (tree_gen_edge_profiler): Same.
1487 * tree-vect-generic.c (expand_vector_operations_1): Same.
1488 * tree-ssa-structalias.c (update_alias_info): Same.
1489 (find_func_aliases): Same.
1490 * tree-cfg.c (factor_computed_gotos): Same.
1492 (make_goto_expr_edges): Same.
1493 (tree_merge_blocks): Same.
1494 (remove_useless_stmts_cond): Same.
1495 (remove_useless_stmts_1): Same.
1496 (tree_find_edge_insert_loc): Same.
1497 (verify_expr): Same.
1498 (gimplify_val): Same.
1499 (verify_gimple_tuples_1): New.
1500 (verify_gimple_tuples): New.
1501 (verify_stmts): Call verify_gimple_tuples.
1502 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1503 (get_unary_op): Same.
1504 (linearize_expr): Same.
1505 (get_single_immediate_use): Same.
1506 (negate_value): Same.
1507 (should_break_up_subtract): Same.
1508 (break_up_subtract): Same.
1509 (repropagate_negates): Same.
1510 (break_up_subtract_bb): Same.
1511 (reassociate_bb): Same.
1512 * config/i386/i386.c (ix86_va_start): Same.
1513 (ix86_gimplify_va_arg): Same.
1514 * stmt.c (expand_expr_stmt): Same.
1515 (warn_if_unused_value): Same.
1516 (expand_return): Same.
1517 * tree-ssanames.c (make_ssa_name): Same.
1518 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1519 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1520 (add_virtual_operand): Same.
1521 (get_expr_operands): Same.
1522 (parse_ssa_operands): Same.
1523 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1525 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1527 * config.host: Remove extra blank line.
1529 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1531 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1532 target is also an x86 variant.
1534 2006-12-05 Richard Guenther <rguenther@suse.de>
1536 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1537 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1538 (ix86_builtin_vectorized_function): New function to vectorize
1541 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1543 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1544 ia64_override_options.
1546 2006-12-04 Jan Hubicka <jh@suse.cz>
1548 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1551 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1553 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1554 * config/bfin/bfin.c: Include "timevar.h".
1555 (bfin_flag_schedule_insns2, splitting_for_sched,
1556 bfin_flag_var_tracking): New variables.
1557 (print_operand): Handle '%!'.
1558 (override_options): Disable normal sched2 pass, instead set
1559 bfin_flag_schedule_insns2 for reorg to handle it.
1560 (output_file_start): Likewise for var-tracking.
1561 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1562 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1564 (bfin_reorg): Do second scheduling pass here, and call
1565 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1566 of examining insns directly. If bfin_flag_var_tracking, call
1567 var-tracking pass when done with everything else.
1568 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1569 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1570 (movsi_insn32): New pattern, with two new splits to create it
1571 before the final scheduling pass.
1572 (neghi2): Not a dsp32 insn, rather alu0.
1573 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1574 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1575 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1576 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1577 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1578 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1579 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1580 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1581 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1582 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1583 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1584 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1585 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1586 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1587 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1588 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1589 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1590 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1591 variants instead of ';'.
1592 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1593 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1594 (align8, align16, align24): Now named patterns; also using '%!'.
1597 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1599 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1600 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1602 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1604 * config/spu/spu-protos.c (spu_split_address): Add.
1605 * config/spu/spu.c (spu_split_address): Add.
1606 (print_operand): Handle HIGH.
1607 (spu_legitimate_address): Don't test for aligned CONST.
1608 (spu_expand_mov): Don't split addresses here.
1609 * config/spu/constraints.md (A): Don't test legitimate_const.
1610 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1611 (ceq_di): Use correct predicates.
1613 2006-12-04 Eric Christopher <echristo@apple.com>
1615 * config/darwin.h: Update copyright notice.
1616 * config/i386/darwin.h: Ditto.
1618 2006-12-04 Jan Hubicka <jh@suse.cz>
1620 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1621 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1623 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1625 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1627 * tree-ssa-structalias.c (set_used_smts): Export.
1628 (find_what_p_points_to): Don't call set_used_smts here.
1629 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1631 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1633 * tree-ssa-alias.c (compute_may_aliases):
1634 Compute flow sensitive before flow insensitive.
1635 (compute_flow_sensitive_aliasing): Don't try to add
1636 a symbol memory tag to itself.
1638 * alias.h (alias_set_subset_of): New prototype.
1640 * alias.c (alias_set_subset_of): New function.
1642 * tree-ssa-structalias.c: Update comments.
1643 (struct variable_info): Add finished_solution.
1644 (new_varinfo): Set finished solution to NULL.
1645 (var_escaped_vars): Remove.
1646 (escaped_vars_tree): Remove.
1647 (escaped_vars_id): Remove.
1648 (nonlocal_vars_id): Remove.
1649 (constraint_expr_type): Add INCLUDES.
1650 (graph_size): Removed.
1651 (dump_constraint): Support INCLUDES.
1652 (build_constraint_graph): Ditto.
1653 (collapse_nodes): Add merge_solutions argument.
1654 Don't merge attributes.
1655 (process_unification_queue): Just use collapse_nodes.
1656 (perform_var_substitution): Update call to collapse_nodes.
1657 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1658 (process_constraint): Fix non-field sensitive handling
1660 (get_constraint_for): Use INCLUDES.
1661 (make_constraint_from_anything): Renamed from
1662 make_constraint_from_escaped.
1663 (make_constraint_to_escaped): Removed.
1664 (find_global_initializers): Removed.
1665 (create_variable_info_for): Do not make constraints to escaped
1667 (dump_solution_for_var): Don't print out the equivalent points-to
1668 sets, just use the name of the variable it shares it with.
1669 (intra_create_variable_infos): Use INCLUDES.
1670 Change nonlocal variable sets to anything sets.
1671 (init_base_vars): Remove escaped_vars and nonlocal_var
1673 (find_escape_constraints): Removed.
1674 (delete_points_to_sets): Remove dead code.
1675 (used_smt_calculated): New variable.
1676 (set_used_smts): New function.
1677 (merge_smts_into): New function.
1678 (find_what_p_points_to): Modify to use SMTs.
1679 (create_nonlocal_var): Remove.
1681 * tree-ssa-operands.c (access_can_touch_variable): Remove
1682 reference to nonlocal_all.
1684 * tree-ssa.c (verify_name_tags): Remove.
1686 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1688 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1689 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1691 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1693 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1694 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1695 (add_livein_if_notdef): Delete.
1696 (loe_visit_block): New. Propogate live on entry info for a block into
1697 each predecessor. If it changes, make sure it is visited again.
1698 (live_worklist): Visit every block and update the live on entry info
1699 for preds. Iterate over any that changed.
1700 (set_var_live_on_entry): Populate the live on entry blocks with bits
1701 based on the immediate uses of a var.
1702 (calculate_live_on_entry): Remove.
1703 (calculate_live_on_exit): Calculate live on exit based on the newly
1704 oriented live on entry bits.
1705 (calculate_live_ranges): Build live on entry and exit vectors.
1706 (dump_live_info): Use new orientation of live on entry bitmaps.
1707 (verify_live_on_entry): New. Split out verification code from old
1708 calculate_live_on_entry routine.
1709 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1710 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1711 basic_block instead of for a partition.
1712 (live_merge_and_clear): Add asserts.
1713 (make_live_on_entry): Set partition bit in basic block vector.
1715 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1718 * omp-low.c (expand_omp_for_static_nochunk,
1719 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1723 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1724 parallels if region->exit or region->inner->exit is NULL.
1725 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1727 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1728 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1729 or region->exit is NULL.
1730 (expand_omp_sections): Handle NULL region->cond or region->exit.
1733 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1735 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1736 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1738 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1740 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1741 TYPE_MAX_VALUE for scalar types here but...
1742 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1743 is attached an error mark, and the return value of the callback
1744 if it is not NULL_TREE.
1746 2006-12-04 Ben Elliston <bje@au.ibm.com>
1748 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1750 2006-12-03 Eric Christopher <echristo@apple.com>
1753 * config/t-slibgcc-darwin: Pass -install_name.
1754 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1755 libtool. Only pass through options that the linker recognizes.
1756 (LINK_SPEC): Update comment. Translate options.
1757 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1758 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1760 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1762 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1764 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1767 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1768 operands[1] in insn constraint. Correct type attribute to sselog1.
1770 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1773 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1775 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1776 processor detection.
1778 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1779 -march=native if there is no -mtune=*.
1781 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1784 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1786 * doc/install.texi: Update recommended MPFR version. Remove
1787 obsolete reference to cumulative patch.
1789 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1792 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1794 2006-11-30 Jan Hubicka <jh@suse.cz>
1795 Uros Bizjak <ubizjak@gmail.com>
1797 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1798 32bit memcpy/memset decriptors.
1799 (decide_alg): With -minline-all-stringops and sizes that are best
1800 to be copied via libcall still work hard enough to pick non-libcall
1803 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1805 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1807 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1808 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1809 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1810 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1811 config/spu/spu-c.c, config/spu/spu-modes.def,
1812 config/spu/spu.c, config/spu/spu.md,
1813 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1814 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1815 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1816 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1817 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1818 spelling conventions.
1820 * config/i386/i386.c: Fix a comment typo.
1822 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1824 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1825 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1826 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1827 better optimization.
1828 (floatv4siv4sf2): New.
1829 (fix_truncv4sfv4si2): New.
1830 (floatunsv4siv4sf2): New.
1831 (fixuns_truncv4sfv4si2): New.
1839 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1840 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1841 spu_resolve_overloaded_builtin instead of static inline functions.
1843 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1845 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1846 type instead of the size of its mode to compute the highest and
1847 lowest possible values. Still check the size of the mode before
1848 flipping the signedness of the comparison.
1850 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1852 * config/spu/predicates.md (spu_mov_operand): Add.
1853 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1854 (print_operand_address, print_operand): Handle addresses containing AND.
1855 (spu_split_load, spu_split_store): Use updated movti pattern.
1856 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1857 stores in mov patterns for correct operation of reload.
1858 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1860 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1863 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1865 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1867 * common.opt (ftree-combine-temps): Remove.
1868 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1869 (coalesce_ssa_name): Don't check for combine-temps.
1870 (coalesce_vars): Remove.
1871 (check_replaceable): Use num_imm_uses.
1872 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1873 check for combine-temps.
1874 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1875 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1876 to register_ssa_partition calls.
1877 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1878 (init_var_map, delete_var_map): remove refernces to ref_count.
1879 (create_ssa_var_map): Never calculate a ref count.
1880 (type_var_init): Remove.
1881 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1882 (SSA_VAR_MAP_REF_COUNT): Delete.
1883 (create_ssa_var_map): Change Prototype to have no parameters.
1884 (version_ref_count): Delete.
1885 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1887 (type_var_num, type_var, type_var_first_partition,
1888 type_var_next_partition, type_var_dump, type_var_delete,
1889 type_var_remove_partition, type_var_find, type_var_compact,
1890 type_var_decompact): Remove.
1892 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1894 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1897 2006-12-01 Richard Guenther <rguenther@suse.de>
1900 * dwarf2out.c (struct pubname_struct): Make name const.
1901 (add_pubtype): Do not xstrdup identifiers.
1903 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1905 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1906 multiword accesses are in range.
1908 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1910 PR tree-optimization/29921
1911 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1912 (set_lattice_value): Use canonicalize_float_value.
1914 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1916 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1917 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1918 (spu_cpu_cpp_builtins): Remove.
1919 (spu_override_options): Don't set warn_main.
1920 (spu_force_reg): Move from spu-c.c.
1921 (spu_check_builtin_parm): Likewise.
1922 (expand_builtin_args): Likewise.
1923 (spu_expand_builtin_1): Likewise.
1924 (spu_expand_builtin): Likewise.
1925 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1926 warn_main and targetm.resolve_overloaded_builtin.
1927 * config/spu/spu-c.c (spu_builtin_range): Remove.
1928 (spu_check_builtin_parm): Remove.
1929 (expand_builtin_args): Remove.
1930 (spu_expand_builtin_1): Remove.
1931 (spu_expand_builtin): Remove.
1932 (spu_cpu_cpp_builtins): Moved from spu.c
1933 (spu_force_reg): Remove.
1935 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1936 David Edelsohn <edelsohn@gnu.org>
1939 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1940 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1941 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1942 HARD_REGNO_NREGS_WITH_PADDING): Define.
1943 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1944 HARD_REGNO_NREGS_WITH_PADDING): Define.
1945 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1946 Use new macros to detect modes with holes; do not look at integer
1948 (subreg_offset_representable_p): Check for and disallow cases
1949 where the modes use different numbers of bits from registers.
1950 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1951 constant for soft-float.
1952 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1954 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1955 in E500 double case.
1956 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1957 (movtf_softfloat): New.
1959 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1961 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1962 simplify_gen_subreg.
1964 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1966 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1967 (COALESCE_HASH_FN): New. Define hash function.
1968 (partition_pair_map_hash): New. Hash value for a partition pair.
1969 (partition_pair_map_eq): New. Equality for hash pairs.
1970 (create_coalesce_list): Create hash table.
1971 (delete_coalesce_list): Free hash table.
1972 (find_partition_pair): Find/create pairs in hash table.
1973 (compare_pairs): Sort pairs in ascending order now.
1974 (num_coalesce_pairs): New. Number of pairs in hash table.
1975 (struct partition_pair_iterator): Iterator struct for pair table.
1976 (first_partition_pair): Iterator function for first pair.
1977 (end_partition_pair_p): Iterator function for end of iteration.
1978 (next_partition_pair): Iterator function for next pair.
1979 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1980 (sort_coalesce_list): Sort pairs from hash table into an array.
1981 (pop_best_coalesce): Take pairs from the array.
1982 (dump_coalesce_list): Update to use hash table or sorted array.
1983 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1984 (struct coalesce_list_d): Add hash table related fields.
1986 2006-11-30 Jan Hubicka <jh@suse.cz>
1989 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1990 memmove/bcopy->memcpy conversion.
1992 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1994 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1995 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1996 Default is the largest alignment supported for 32-bit ELF and
1997 representable on a 32-bit host.
1999 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2001 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2003 2006-11-30 Jan Hubicka <jh@suse.cz>
2005 * tree-ssa-operands.h (struct ssa_operands): New.
2006 * tree-flow-inline.h (gimple_ssa_operands): New function.
2007 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2008 * Makefile.in: Remove gt-tree-ssa-operands.h
2009 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2010 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2011 operand_memory, operand_memory_index, ops_active): Remove statics.
2012 (ALLOC_OPTYPE): Update.
2013 (operand_build_sort_virtual): Update.
2014 (ssa_operands_active): Update.
2015 (init_ssa_operands): Update.
2016 (fini_ssa_operands): Update.
2017 (ssa_operand_alloc): Update.
2018 (INITIALIZE_USE): Update.
2019 (finalize_ssa_use_ops): Update.
2020 (finalize_ssa_v_may_def_ops): Update.
2021 (finalize_ssa_vuse_ops): Update.
2022 (finalize_ssa_v_must_def_ops): Update.
2024 2006-11-30 Richard Guenther <rguenther@suse.de>
2026 * tree-vectorizer.h (vectorizable_function): Export.
2027 * tree-vect-transform.c (vectorizable_function): Likewise.
2028 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2029 type_in to scalar type in recognition of squaring.
2030 Make sure the target can vectorize sqrt in recognition
2031 of sqrt, set type_in to vector type in this case.
2033 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2035 * config/i386/i386.md (R10_REG): New constant.
2036 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2037 (ix86_emit_restore_regs_using_mov): Ditto.
2038 (ix86_expand_call): Ditto.
2039 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2041 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2043 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2044 * alias.c (canon_true_dependence): Update comment.
2046 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2048 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2049 at the end of a diagnostics message.
2051 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2052 until after asserting that it was allocated in the right pool.
2054 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2055 successor edge information as well. Make output of live regs
2056 on exit consistent with live regs on entry.
2058 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2061 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2062 insn patterns for TARGET_80387.
2063 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2064 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2065 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2066 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2067 Generate truncxf<mode>2 insn patterns for strict SSE math.
2069 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2071 * config/i386/i386.md (movsf_1): Enable pattern for standard
2072 80387 constants before reload when optimizing for size.
2073 (*movdf_nointeger, *movdf_integer): Ditto.
2074 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2075 80387 constants before reload when not optimizing for size.
2077 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2078 extension of XFmode input operands.
2080 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2082 * config/spu/crt0.c (__dso_handle): Define.
2084 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2086 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2087 when clearing the used flags.
2089 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2091 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2093 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2096 * config/spu/spu.md (extend_compare<mode>): New pattern.
2097 (extend_compare): Change to expand and use the above pattern.
2099 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2101 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2103 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2104 (DFP_INIT_ROUNDMODE): Define.
2105 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2106 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2108 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2110 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2111 Update documentation.
2112 (associate_line_notes_with_blocks): Kill.
2113 (extend_bb): Remove basic block argument, put void instead.
2114 Remove line number handling for each bb.
2115 (save_line_notes): Kill.
2116 (restore_line_notes): Kill.
2117 (sched_init): Remove line_note_head initialization.
2118 Change extend_bb call.
2119 (sched_finish): Remove free of line_note_head.
2120 (add_block): Change extend_bb call.
2121 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2122 rm_line_notes and restore_line_notes calls.
2123 (schedule_ebbs): Remove rm_redundant_line_notes.
2124 * sched-int.h (struct haifa_insn_data): Remove line_note.
2125 (save_line_notes): Remove declaration.
2126 (restore_line_notes): Remove declaration.
2127 * modulo-sched.c (loop_canon_p): Update debug info printing
2128 by using insn locators instead of line note.
2129 (sms_schedule): Update debug info printing, by using insn
2130 locators instead of line note.
2131 * sched-rgn.c (debug_dependencies): Remove handling of case
2132 n>0 (line number), since it's a dead code.
2133 (schedule_region): Remove save_line_notes and
2134 restore_line_notes calls.
2136 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2138 * config/rs6000/predicates.md (gpc_reg_operand): Check
2139 invalid_e500_subreg.
2140 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2141 SImode subregs of SPE vectors.
2142 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2143 * jump.c (true_regnum): Require subregs to satisfy
2144 subreg_offset_representable_p.
2146 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2147 Steven Bosscher <stevenb.gcc@gmail.com>
2149 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2150 since it no longer exists.
2152 2006-11-29 Duncan Sands <baldrick@free.fr>
2154 PR tree-optimization/23744
2155 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2157 2006-11-29 Duncan Sands <baldrick@free.fr>
2159 PR tree-optimization/23744
2160 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2162 2006-11-29 Duncan Sands <baldrick@free.fr>
2164 PR tree-optimization/23744
2165 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2167 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2169 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2171 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2173 * sh.opt (minline-ic_invalidate): New option.
2174 (musermode): Adjust comment.
2175 * sh.c (sh_initialize_trampoline): Emit library call unless
2176 is set; if it is set, don't emit library call if we can use icbi
2178 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2179 icbi for TARGET_SH4_300.
2180 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2181 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2182 -musermode documentation.
2184 2006-11-29 Jim Tison <jtison@us.ibm.com>
2186 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2187 __gthread_recursive_mutex_init): Define.
2189 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2191 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2192 STRICT_ALIGNMENT and the type is more aligned than the saved
2193 registers, copy via a temporary.
2195 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2198 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2201 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2203 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2205 2006-11-28 Jan Hubicka <jh@suse.cz>
2207 Privatize SSA variables into gimple_df.
2208 * tree-flow-inline.h
2209 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2210 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2211 gimple_nonlocal_all): New accessors.
2212 (first_referenced_var): Update.
2213 (mark_stmt_modified): Update.
2214 (is_call_clobbered): Update.
2215 (mark_call_clobbered): Update.
2216 (clear_call_clobbered): Update.
2217 (mark_non_addressable): Update.
2218 * tree-vrp.c (get_value_range): Update.
2219 * tree-into-ssa.c (in_ssa_p): Kill.
2220 (get_default_def_for): Update.
2221 (rewrite_into_ssa): Update.
2222 * tree-complex.c (init_parameter_lattice_values): Update.
2223 (update_complex_assignment): Update.
2224 (update_parameter_components): Update.
2225 (expand_complex_libcall): Update.
2226 (expand_complex_operations_1): Update.
2227 * tree-tailcall.c (arg_needs_copy_p): Update.
2228 (add_virtual_phis): Update.
2229 (tree_optimize_tail_calls_1): Update.
2230 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2231 * tree-ssa-copyrename.c
2232 (copy_rename_partition_coalesce): Update.
2233 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2234 * tree-ssa-propagate.c (set_rhs): Update.
2235 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2236 addressable_vars, global_var):Kill.
2237 (set_initial_properties): Update.
2238 (init_alias_info): Update.
2239 (finalize_ref_all_pointers): Update.
2240 (setup_pointers_and_addressables): Update.
2241 (maybe_create_global_var): Update.
2242 (create_global_var): Update.
2243 (dump_points_to_info): Update.
2244 * function.h (struct gimple_df): Forward declare.
2245 (struct function): Add GIMPLE_DF field.
2246 * gimplify.c (force_gimple_operand): Update.
2247 * tree-dfa.c (referenced_vars, default_defs): KIll.
2248 (make_rename_temp): Update.
2249 (dump_variable): Update.
2250 (referenced_var_lookup): Update.
2251 (referenced_var_check_and_insert): Update.
2252 (default_def): Rename to ...
2253 (gimple_default_def): ... this one; accept cfun argument.
2254 (set_default_def): Update.
2255 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2256 (cleanup_control_flow): Update.
2257 * tree-ssa-pre.c (compute_avail): Update
2258 * tree-ssa-live.c (calculate_live_on_entry): Update.
2259 * tree-ssa.c (verify_use): Update.
2260 (verify_call_clobbering): Update.
2261 (verify_call_clobbering): Update.
2262 (init_tree_ssa): Update.
2263 (delete_tree_ssa): Update.
2264 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2265 (rewrite_out_of_ssa): Update.
2266 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2267 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2269 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2270 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2271 addressable_vars, aliases_computed_p): Kill.
2272 (default_def): Rename to...
2273 (gimple_default_def): ... this one.
2274 (defaule_def_fn): Kill.
2275 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2276 * tree-ssa-structalias.c (nonlocal_all): Kill.
2277 (get_constraint_exp_from_ssa_var): Update.
2278 (create_nonlocal_var): Update.
2279 (get_constraint_for): Update.
2280 (update_alias_info): Update.
2281 (find_global_initializers): Update.
2282 (intra_create_variable_infos): Update.
2283 (intra_create_variable_infos):
2284 (find_what_p_points_to): Update.
2285 (init_alias_heapvars): Update.
2286 * tree-cfg.c (remove_bb): Update.
2287 (gimplify_val): Update.
2288 * tree-ssa-reassoc.c (get_rank): Update.
2289 (init_reassoc): Update.
2290 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2291 (ssa_names, free_ssanames): Kill.
2292 (init_ssanames): Update.
2293 (make_ssa_name): Update.
2294 (release_ssa_name): Update.
2295 (release_defs): Update.
2296 (replace_ssa_name_symbol): Update.
2297 * tree-ssa-operands.c (access_can_touch_variable): Update.
2298 (add_virtual_operand): Update.
2299 (add_call_clobber_ops): Update.
2300 (add_call_read_ops): Update.
2301 (get_call_expr_operands): Update.
2302 (get_asm_expr_operands): Update.
2304 2006-11-28 Jan Hubicka <jh@suse.cz>
2306 * builtins.c: Include tree-flow.h.
2307 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2308 assignment; convert memmove to memcpy for sizes greater than 1 where
2309 alignment of operands prohibit the partial overlap.
2311 2006-11-28 Jan Hubicka <jh@suse.cz>
2313 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2314 * cgraph.c (dump_cgraph_node): Dump stack usage.
2315 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2316 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2317 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2318 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2319 (cgraph_check_inline_limits): Limit stack growth.
2320 * cfgexpand.c: Include tree-inline.h.
2321 (account_stack_vars): New function.
2322 (expand_one_var): New param to just account the stack; return estimated
2324 (expand_used_vars_for_block): Update call of expand_one_var.
2325 (account_used_vars_for_block): New function.
2326 (estimated_stack_frame_size): Likewise.
2327 (init_vars_expansion, fini_vars_expansion): Break out from..
2328 (expand_used_vars): ... here.
2329 * tree-inline.h (estimated_stack_frame_size): Declare.
2330 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2332 2006-11-28 Richard Guenther <rguenther@suse.de>
2334 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2335 unsigned long for printing OBJECT_SIZE.
2337 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2339 * alias.c (init_alias_analysis): Remove simplification loop
2340 after propagating pointers.
2342 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2344 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2347 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2349 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2351 2006-11-27 Roger Sayle <roger@eyesopen.com>
2352 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2354 * c-common.c (constant_fits_type_p): Delete.
2355 (unsigned_conversion_warning): Delete.
2356 (conversion_warning): Integrate Wconversion warning from
2357 unsigned_conversion_warning.
2358 (convert_and_check): Integrate Woverflow warning from
2359 unsigned_conversion_warning. Reorganize and simplify to avoid
2360 dependence upon the middle-end setting TREE_OVERFLOW on integral
2361 conversions, by using int_fits_type_p directly.
2363 2006-11-27 Tobias Burnus <burnus@net-b.de>
2365 * doc/invoke.texi: Fixed typo.
2367 2006-11-27 Michael Matz <matz@suse.de>
2368 Andreas Krebbel <krebbel1@de.ibm.com>
2371 * config/s390/predicates.md (larl_operand): Check addend of larl
2372 operand to be in range of -/+2GB.
2373 * config/s390/s390.c (legitimize_pic_address): Likewise.
2374 Changed type of variable even to HOST_WIDE_INT.
2376 2006-11-27 Jan Hubicka <jh@suse.cz>
2378 * expr.c (emit_block_move_via_libcall): Export.
2379 (clear_storage_via_libcall): Rename to ...
2380 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2381 (clear_storage): Update to set_storage_via_libcall.
2382 * expr.h (emit_block_move_via_libcall): Declare
2383 * config/i386/i386.h (stringop_alg): New enum.
2384 (MAX_STRINGOP_ALGS): New constant.
2385 (stringop_algs): New struct.
2386 (processor_costs): Add memcpy/memset descriptors.
2387 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2388 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2389 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2391 * config/i386/i386.opt (minline-stringops-dynamically,
2392 mstringop-strategy): New
2394 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2395 (ix86_expand-clrmem): Rename to ...
2396 (ix86_expand_setmem): ... this one; update prototype.
2397 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2398 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2399 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2400 nocona_cost, core2_cost, generic_cost, generic64_cost,
2401 generic32_cost): Add memcpy/memset descriptors.
2402 (x86_rep_movl_optimal): Remove.
2403 (stringop_alg): New static variable.
2404 (ix86_expand_aligntest): Handle predictions.
2405 (override_options): Add strgop_alg handling.
2406 (predict_jump): New function.
2407 (scale_counter): New function.
2408 (expand_set_or_movmem_via_loop): New function.
2409 (expand_movmem_via_rep_mov): New function.
2410 (expand_setmem_via_rep_stots): New function.
2411 (emit_strmov): New function.
2412 (expand_movmem_epilogue): New function.
2413 (expand_setmem_epilogue_via_loop): New function.
2414 (expand_setmem_epilogue): New function.
2415 (expand_movmem_prologue): New function.
2416 (expand_setmem_prologue): New function.
2417 (decide_alg): New function.
2418 (decide_alignment): New function.
2419 (ix86_exand_movmem): Rewrite.
2420 (promote_duplicated_reg): New function.
2421 (ix86_expand_clrmem): Rename to ...
2422 (ix86_expand_setmem): ... this one. Rewrite.
2424 * invoke.texi (minline-stringops-dynamically): New command line option.
2425 (mstringop-strategy): Likewise.
2427 2006-11-27 Jan Hubicka <jh@suse.cz>
2429 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2430 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2431 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2432 * insn-notes.def (FUNCTION_END): Remove.
2433 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2434 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2436 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2437 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2438 * cfglayout.c (duplicate_insn_chain): Don't worry about
2441 2006-11-27 Richard Guenther <rguenther@suse.de>
2442 Zdenek Dvorak <dvorakz@suse.cz>
2444 * target.h (struct gcc_target): Add builtin_vectorized_function
2446 * target-def.h (TARGET_VECTORIZE): Likewise.
2447 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2448 Document new target hook.
2449 * targhooks.h (default_builtin_vectorized_function): Declare.
2450 * targhooks.c (default_builtin_vectorized_function): Define.
2451 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2452 (vectorizable_call): Declare.
2453 * tree-vect-analyze.c (vect_analyze_operations): Call
2455 * tree-vect-transform.c (vectorizable_function): New static function.
2456 (build_vectorized_function_call): Likewise.
2457 (vectorizable_call): New function.
2458 (vect_transform_stmt): Handle vectorizable calls.
2460 2006-11-27 Richard Guenther <rguenther@suse.de>
2463 * builtins.c (expand_builtin_pow): Optimize non integer valued
2464 constant exponents using sqrt or cbrt if possible. Always fall back
2465 to expanding via optabs.
2467 2006-11-27 Ira Rosen <irar@il.ibm.com>
2469 PR tree-optimization/22372
2470 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2471 the type of the base address.
2472 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2473 it in the data-ref pointer creation.
2474 (vect_init_vector): Add an argument, type of the init vector. Use it in
2476 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2477 (get_initial_def_for_reduction): Likewise.
2478 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2480 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2481 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2482 correct type in stmt creation.
2483 (vect_setup_realignment): Use the correct type in stmt creation.
2484 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2486 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2487 of MODIFY_EXPR to void_type_node.
2488 (vectorizable_condition): Change type of MODIFY_EXPR to
2490 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2493 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2496 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2497 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2498 standard 80387 constants, raise the cost to prevent
2499 compress_float_constant() to generate load from memory.
2501 * config/i386/i386.md: Add new splitter pattern to split
2502 float_extended load of constant from constant pool into
2505 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2507 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2508 section to general section. Remove documentation for
2509 --with-mpfr-dir and --with-gmp-dir, add documentation for
2510 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2513 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2515 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2517 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2519 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2521 PR tree-optimization/29122
2522 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2523 for the new version. Assign NULL to DECL_RTL of the new version.
2525 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2527 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2529 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2531 * cse.c (cse_altered): Remove.
2532 (record_jump_equiv): Make true/false argument a bool instead
2534 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2535 where appropriate. Emit a new jump before the existing one
2536 instead of after so that delete_insn_and_edges removes the
2537 dead edges properly. Check any_condjump_p before calling
2539 (cse_basic_block): Check any_condjump_p before calling
2541 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2543 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2545 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2546 -ffixed-line-length-* options.
2548 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2550 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2551 (fprem1xf4): Rename to fprem1xf4_i387.
2553 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2554 Rename patterns to fmod<mode>3. Use general_operand operand
2555 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2556 patterns for SSE math.
2557 (remaindersf3, remainderdf3): Ditto.
2559 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2561 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2562 inside start_sequence / end_sequence pair.
2564 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2566 * jump.c (mark_all_labels): Work in cfglayout mode.
2567 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2568 when in cfglayout mode, because there are no dead jumptables
2570 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2572 (commit_edge_insertions): Do not allow insertion of instructions
2573 with control flow insns when in cfglayout mode.
2575 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2577 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2579 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2580 unswitch_loop): Ditto.
2581 * tree-loop-linear.c (linear_transform_loops): Ditto.
2582 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2583 tree_ssa_lim): Ditto.
2584 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2585 free_numbers_of_iterations_estimates): Ditto.
2586 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2587 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2588 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2589 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2590 place_new_loop, duplicate_loop, duplicate_subloops,
2591 update_single_exit_for_duplicated_loops, copy_loops_to,
2592 duplicate_loop_to_header_edge, create_preheaders,
2593 force_single_succ_latches, loop_version, fix_loop_structure):
2595 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2596 tree_unroll_loop): Ditto.
2597 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2598 * tree-scalar-evolution.c (select_loops_exit_conditions,
2599 scev_initialize, scev_analysis): Ditto.
2600 * tree-scalar-evolution.h (scev_initialize): Ditto.
2601 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2602 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2603 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2604 * modulo-sched.c (sms_schedule): Ditto.
2605 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2606 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2607 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2608 * ifcvt.c (if_convert): Ditto.
2609 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2610 canonicalize_loop_induction_variables,
2611 canonicalize_induction_variables,
2612 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2613 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2614 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2615 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2616 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2617 tree_ssa_loop_done): Ditto.
2618 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2619 estimate_bb_frequencies): Ditto.
2620 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2621 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2622 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2623 decide_unrolling_and_peeling, peel_loop_completely,
2624 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2625 peel_loop_simple, unroll_loop_stupid): Ditto.
2626 * loop-doloop.c (doloop_optimize_loops): Ditto.
2627 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2628 * loop-invariant.c (move_loop_invariants): Ditto.
2629 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2630 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2631 tree_ssa_prefetch_arrays): Ditto.
2632 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2634 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2635 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2636 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2637 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2638 verify_loop_structure): Ditto.
2639 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2640 canonicalize_induction_variables, tree_unroll_loops_completely,
2641 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2642 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2643 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2644 tree_unroll_loop, linear_transform_loops): Declaration changed.
2645 * basic-block.h: Remove declaration of struct loops.
2646 * cfghooks.h (struct cfg_hooks): Change type of
2647 cfg_hook_duplicate_loop_to_header_edge.
2648 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2649 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2650 vect_transform_loop): Declaration changed.
2651 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2652 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2653 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2654 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2655 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2656 loopify, loop_version, remove_path, unswitch_loops,
2657 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2658 Declaration changed.
2660 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2662 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2663 (X87MODEF): New mode macro.
2664 (ssemodefsuffix): New mode attribute.
2665 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2666 (sqrt_extend<mode>xf2_i387): New insn pattern.
2667 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2668 insn and truncate result back to original mode using
2669 UNSPEC_TRUNC_NOOP truncation.
2670 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2671 ssemodefsuffix mode attribute.
2672 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2673 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2674 (*sqrtextenddfxf2_i387): Remove insn patterns.
2676 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2677 truncation patterns.
2679 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2681 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2684 * c-tree.h (c_maybe_initialize_eh): New prototype.
2685 * c-decl.c (finish_decl): Move EH initialization...
2686 (c_maybe_initialize_eh): ... here. New function.
2687 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2688 if not #pragma omp atomic.
2691 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2692 or UNION_TYPE inner types.
2694 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2697 * ipa-pure-const.c (check_tree): If the original tree
2698 is volatile return early and say the function is not pure
2699 nor const. Remove the volatile check for writes.
2700 (analyze_function): Print out the result of the local
2703 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2705 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2707 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2708 * config/rs6000/rs6000.c (rs6000_override_options): Use
2709 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2712 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2714 * config/s390.c (s390_emit_compare_and_swap): New function.
2715 (s390_expand_cs_hqi, s390_expand_atomic): Call
2716 s390_emit_compare_and_swap.
2718 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2720 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2722 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2726 * c-common.c (conversion_warning): New.
2727 (convert_and_check): Call conversion_warning unless there is an
2729 * doc/invoke.texi (-Wconversion): Update description.
2731 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2733 * tree-ssa-alias.c (tree_pointer_compare): New function.
2734 (compact_name_tags): New function.
2735 (group_aliases): Call compact_name_tags.
2737 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2739 * real.h (real_isinteger): Declare.
2740 * real.c (real_isinteger): Define.
2741 * builtins.c (integer_valued_real_p): Use it.
2743 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2746 * c.opt (Wtraditional-conversion): New.
2747 (Wconversion): Update description.
2748 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2749 type conversions different from what would happen in the absence
2750 of prototype are now handled by Wtraditional-conversion.
2751 * doc/invoke.texi (Wtraditional-conversion): New.
2752 (Wconversion): Update description.
2753 * doc/trouble.texi (Wconversion): Replace Wconversion by
2754 Wtraditional-conversion.
2756 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2758 * predict.c (tree_estimate_probability): Check to make
2759 sure current_loops is non null before calling flow_loops_dump.
2761 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2763 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2765 2006-11-23 David Ung <davidu@mips.com>
2767 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2769 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2770 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2771 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2772 high part of FP register when in 64-bit FP register mode. Similarly
2773 use gen_mfhc1 to load high part of FP register.
2774 (override_options): Allow -mgp32 and -mfp64 combination if
2775 ISA_HAS_MXHC1 (currently for O32 only).
2776 (mips_cannot_change_mode_class): If floating-point registers are
2777 bigger than word size. disallow conversion of float register from a
2778 large integer mode to a float mode smaller than the float register
2780 (mips_class_max_nregs): Handle float registers case seperately.
2781 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2783 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2784 (movdf_hardfloat_32bit): Similarly.
2785 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2786 support a full 64-bit fpu.
2787 (mthc1): New pattern to generate MTHC1 instruction.
2788 (mfhc1): New pattern to generate MFHC1 instruction.
2789 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2790 option for the MIPS32R2 and mention its use under O32 ABI.
2792 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2794 * var-tracking.c (emit_note_insn_var_location): Take care not to
2795 cause verify_flow_info failures.
2797 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2799 * tree-ssa-structalias.c: Remove edge weights in favor of just
2800 processing them as complex constraints.
2801 (struct constraint_graph): Remove weighted succs and preds. Rename
2802 nonweighted succs and preds.
2803 (constraint_edge): Removed.
2804 (constraint_edge_t): Ditto.
2805 (constraint_edge_pool): Ditto.
2806 (new_constraint_edge): Ditto.
2807 (constraint_edge_equal): Ditto.
2808 (constraint_edge_less): Ditto.
2809 (constraint_edge_vec_find): Ditto.
2810 (erase_self_graph_edge): Ditto.
2811 (add_graph_edge): Removed.
2812 (get_graph_weights): Ditto.
2813 (allocate_graph_weights): Ditto.
2814 (valid_weighted_graph_edge): Ditto
2815 (bitmap_other_than_zero_bit_set): Ditto.
2816 (int_add_graph_edge): Renamed to add_graph_edge.
2817 (clear_edges_for_node): Remove support for weighted edges.
2818 (merge_graph_nodes): Ditto.
2819 (valid_graph_edge): Ditto.
2820 (build_constraint_graph): Ditto.
2822 (collapse_nodes): Ditto.
2823 (process_unification_queue): Ditto.
2824 (topo_visit): Ditto.
2825 (do_ds_constraint): Ditto.
2826 (perform_var_subsitution): Ditto.
2827 (solve_graph): Ditto.
2828 (init_alias_vars): Ditto.
2829 (delete_points_to_sets): Ditto.
2830 (do_complex_constraint): Support offsetted copies here.
2832 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2834 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2836 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2838 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2841 2006-11-23 Ben Elliston <bje@au.ibm.com>
2843 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2845 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2847 PR tree-optimization/29921
2848 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2849 signed and unsigned zero equal.
2851 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2853 * config/rs6000/rs6000.c (get_store_dest): New.
2854 (adjacent_mem_locations): Use get_store_dest() to get
2855 the rtl of the store destination.
2857 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2859 * config/rs6000/spe.md (SPE64): New mode macro.
2860 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2862 (mov_si<mode>_e500_subreg0_2): New.
2863 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2865 (mov_si<mode>_e500_subreg4_2): New.
2866 * config/rs6000/predicates.md (input_operand): Do not allow
2867 invalid E500 subregs.
2868 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2870 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2871 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2872 involving vector modes if TARGET_SPE.
2874 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2877 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2878 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2880 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2882 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2883 mem_i_address_operand): New predicates.
2884 * config/bfin/bfin.c (bfin_issue_rate): New function.
2885 (TARGET_SCHED_ISSUE_RATE): New macro.
2886 * config/bfin/bfin.md (addrtype): New attribute.
2887 (slot0, slot1, slot2, store, pregs): New cpu_units.
2888 (core): Now a define_reservation.
2889 (alu): Remove some insn types from this reservation.
2890 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2892 (dummy reservation): Don't trigger for mcld insns.
2893 (absence_sets): Two new absence sets to enforce slot ordering.
2894 (popsi_insn): Set addrtype.
2896 2006-11-22 Ira Rosen <irar@il.ibm.com>
2898 * doc/c-tree.texi: Document new tree codes.
2899 * doc/md.texi: Document new optabs.
2900 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2902 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2903 * optabs.h (optab_index): Add new.
2904 (vec_extract_even_optab, vec_extract_odd_optab,
2905 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2906 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2907 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2909 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2910 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2911 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2912 along with macros for their access.
2913 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2915 * tree-vect-analyze.c (toplev.h): Include.
2916 (vect_determine_vectorization_factor): Fix indentation.
2917 (vect_insert_into_interleaving_chain,
2918 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2919 (vect_analyze_data_ref_dependence): Add argument for interleaving
2920 check. Check for interleaving if it's true.
2921 (vect_check_dependences): New function.
2922 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2923 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2924 (vect_update_misalignment_for_peel): Update for interleaving.
2925 (vect_verify_datarefs_alignment): Check only first data-ref for
2927 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2928 only first data-ref for interleaving.
2929 (vect_analyze_data_ref_access): Check interleaving, update
2931 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2932 with different parameters.
2933 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2934 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2935 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2936 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2937 Update step in case of interleaving.
2938 (vect_strided_store_supported, vect_permute_store_chain): New
2940 (vectorizable_store): Handle strided stores.
2941 (vect_strided_load_supported, vect_permute_load_chain,
2942 vect_transform_strided_load): New functions.
2943 (vectorizable_load): Handle strided loads.
2944 (vect_transform_stmt): Add argument. Handle strided stores. Check
2945 that vectorized stmt exists for patterns.
2946 (vect_gen_niters_for_prolog_loop): Update calculation for
2948 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2949 whole chain vectorization.
2950 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2951 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2952 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2953 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2954 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2956 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2958 * cse.c (enum taken): Remove PATH_AROUND.
2959 (addr_affects_sp_p, invalidate_skipped_set,
2960 invalidate_skipped_block): Remove.
2961 (cse_end_of_basic_block): Remove skip_blocks and related code.
2962 (cse_main): Don't test for flag_cse_skip_blocks.
2963 Update cse_end_of_basic_block call.
2964 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2965 code to lengthen the path if a jump was simplified.
2967 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2969 PR rtl-optimization/29924
2970 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2971 (unroll_loop_runtime_iterations): Assert that the argument passed to
2972 split_edge_and_insert is not NULL.
2973 * loop-doloop.c (add_test): Ditto.
2975 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2977 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2979 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2980 * cfgloopmanip.c (update_single_exits_after_duplication,
2981 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2982 * tree-scalar-evolution.c (get_loop_exit_condition,
2983 get_exit_conditions_rec, loop_closed_phi_def,
2984 number_of_iterations_in_loop, scev_const_prop): Ditto.
2985 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2986 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2988 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2990 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2991 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2992 slpeel_make_loop_iterate_ntimes,
2993 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2994 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2996 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2997 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2998 vect_analyze_loop_form): Ditto.
2999 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3000 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3001 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3002 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3003 vect_transform_loop): Ditto.
3004 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3005 (single_exit, set_single_exit): New functions.
3006 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3007 (single_exit, set_single_exit): Declare.
3008 * doc/loop.texi: Undocument single_exit field. Document single_exit
3011 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3013 PR tree-optimization/29902
3014 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3015 any involved ssa name appears in abnormal phi node.
3017 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3019 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3020 (xtensa_const_ok_for_letter_p): Delete.
3021 (xtensa_extra_constraint): Delete.
3022 (override_options): Delete xtensa_char_to_class initialization.
3023 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3024 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3025 (EXTRA_CONSTRAINT): Delete.
3026 * config/xtensa/xtensa.md: Include constraints.md.
3027 (call_internal): Combine alternatives.
3028 (call_value_internal): Likewise, and remove invalid constraints.
3029 * config/xtensa/constraints.md: New file.
3030 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3031 (xtensa_extra_constraint): Delete.
3032 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3035 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3037 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3038 of conversion that doesn't fit.
3040 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3041 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3042 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3044 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3046 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3048 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3050 2006-11-21 Richard Guenther <rguenther@suse.de>
3052 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3053 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3054 vect_recog_pow_pattern.
3055 (vect_recog_pow_pattern): New function.
3057 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3059 * config/bfin/bfin.opt (mstack-check-l1): New.
3060 * doc/invoke.texi (Blackfin Options): Document it.
3061 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3062 stack bounds in L1 memory if the new option is enabled.
3063 (override_options): Don't allow combinations of -fstack-limit and
3065 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3068 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3070 (bfin_register_move_cost): Bump costs if trying to move plain
3071 integer values through accumulators.
3073 2006-11-21 Ben Elliston <bje@au.ibm.com>
3075 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3077 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3078 Russell Olsen <Russell_Olsen@playstation.sony.com>
3079 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3080 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3081 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3082 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3083 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3085 * config.gcc: Add target for SPU.
3086 * config/spu/constraints.md: New file.
3087 * config/spu/crt0.c: New file.
3088 * config/spu/crtend.c: New file.
3089 * config/spu/crti.asm: New file.
3090 * config/spu/crtn.asm: New file.
3091 * config/spu/float_unsdidf.c: New file.
3092 * config/spu/float_unssidf.c: New file.
3093 * config/spu/predicates.md: New file.
3094 * config/spu/spu-builtins.def: New file.
3095 * config/spu/spu-builtins.h: New file.
3096 * config/spu/spu-builtins.md: New file.
3097 * config/spu/spu-c.c: New file.
3098 * config/spu/spu-elf.h: New file.
3099 * config/spu/spu-modes.def: New file.
3100 * config/spu/spu-protos.h: New file.
3101 * config/spu/spu.c: New file.
3102 * config/spu/spu.h: New file.
3103 * config/spu/spu.md: New file.
3104 * config/spu/spu.opt: New file.
3105 * config/spu/spu_internals.h: New file.
3106 * config/spu/spu_intrinsics.h: New file.
3107 * config/spu/spu_mfcio.h: New file.
3108 * config/spu/t-spu-elf: New file.
3109 * config/spu/vec_types.h: New file.
3110 * config/spu/vmx2spu.h: New file.
3111 * doc/contrib.texi: Document SPU contributor.
3112 * doc/extend.texi: Document SPU extensions.
3113 * doc/invoke.texi: Document SPU options.
3114 * doc/md.texi: Document SPU constraints.
3116 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3118 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3120 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3122 (flow_loop_dump): Do not dump loop level.
3123 (flow_loops_find): Do not call flow_loops_level_compute.
3124 * cfgloop.h (struct loop): Remove level field.
3126 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3128 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3129 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3130 Use vector of edges instead of array.
3131 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3132 estimate_numbers_of_iterations_loop): Ditto.
3133 * predict.c (predict_loops): Ditto.
3134 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3135 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3137 * basic-block.h: Declare heap allocation for edge vectors.
3138 * tree-outof-ssa.c: Ditto.
3139 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3140 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3142 2006-11-20 Zack Weinberg <zackw@panix.com>
3144 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3145 Add another out parameter, "skip".
3146 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3147 is tagged "skip", do not mark its type used.
3149 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3152 * tree-sra.c (single_scalar_field_in_record_p): New function.
3153 (decide_block_copy): Use it.
3155 2006-11-20 David Daney <ddaney@avtrex.com>
3157 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3158 PC to point to following instruction.
3160 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3164 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3166 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3168 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3170 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3171 Add sh/superh.h to tm_file.
3173 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3174 Mark Mitchell <mark@codesourcery.com>
3176 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3178 (cpp_relocated): New function.
3179 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3181 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3182 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3183 replace configured prefix with gcc_exec_prefix.
3185 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3187 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3188 bfin_legitimate_constant_p.
3189 * config/bfin/bfin.md (movsi expander): Check return value of
3191 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3192 (expand_move): Adjust prototype.
3193 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3194 invalid constants specially.
3195 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3197 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3199 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3200 sibcall_value_symbol): Allow these patterns if
3201 TARGET_LEAF_ID_SHARED_LIBRARY.
3202 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3203 (override_options): Turn on id shared library flags if -msep-data,
3204 but disallow the combination of these options on the command line.
3205 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3206 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3207 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3208 -mid-shared-library.
3209 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3210 * doc/invoke.texi (Blackfin Options): Document new switches.
3212 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3213 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3215 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3216 inflate costs for addresses with an out-of-bounds address.
3218 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3221 * fwprop.c (loops): Remove.
3222 (forward_propagate_into): Use current_loops instead of
3224 (fwprop_init): Call loop_optimizer_init instead of
3226 (fwprop_done): Call loop_optimizer_finalize instead of
3228 (fwprop): Use current_loops instead of loops.
3230 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3233 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3235 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3238 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3239 larger than BITS_PER_WORD.
3241 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3245 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3246 to MAX_FIXED_MODE_SIZE.
3248 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3250 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3251 (fold_builtin_fmin_fmax): New.
3252 (fold_builtin_1): Use it.
3254 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3256 2006-11-18 Richard Guenther <rguenther@suse.de>
3258 * config/i386/i386.c (ix86_builtins): New array for ix86
3259 builtin function decls.
3260 (def_builtin): New function.
3261 (def_builtin_const): Likewise.
3262 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3264 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3266 * doc/invoke.texi (core2): Add item.
3268 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3270 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3271 (TARGET_CPU_DEFAULT_generic): Change value.
3272 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3273 (processor_type): Add new constant PROCESSOR_CORE2.
3275 * config/i386/i386.md (cpu): Add core2.
3277 * config/i386/i386.c (core2_cost): New initialized variable.
3278 (m_CORE2): New macro.
3279 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3280 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3281 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3282 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3283 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3284 x86_accumulate_outgoing_args, x86_prologue_using_move,
3285 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3286 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3287 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3288 x86_pad_returns): Add m_CORE2.
3289 (override_options): Add entries for Core2.
3290 (ix86_issue_rate): Add case for Core2.
3292 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3294 * doc/invoke.texi: Fix mno-isel typo.
3296 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3298 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3299 easy vector constant loads.
3301 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3303 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3304 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3305 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3306 * config/rs6000/sync.md (lwsync): Emit plain sync if
3309 2006-11-17 DJ Delorie <dj@redhat.com>
3311 * reload1.c (reloads_unique_chain): New.
3312 (reloads_conflict): Call it.
3314 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3316 * config/xtensa/predicates.md (addsubx_operand): New.
3317 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3318 (xtensa_emit_bit_branch): New.
3319 (xtensa_emit_movcc): New.
3320 * config/xtensa/xtensa.md (any_minmax): New code macro.
3321 (minmax): New code attribute.
3322 (any_cond, any_scc, any_scc_sf): New code macros.
3323 (*addx2, *addx4, *addx8): Delete.
3325 (*subx2, *subx4, *subx8): Delete.
3327 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3328 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3329 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3330 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3331 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3332 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3333 (movsfcc_internal0, movsfcc_internal1): Likewise.
3334 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3335 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3336 (xtensa_emit_bit_branch): New.
3337 (xtensa_emit_movcc): New.
3338 (function_arg_boundary): Add missing prototype.
3340 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3342 * config/xtensa/xtensa.md (tstsi): Delete
3344 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3346 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3348 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3350 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3352 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3354 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3356 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3358 * tree-vrp.c (execute_vrp): Do not update current_loops.
3359 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3360 * doc/loop.texi: Remove documentation for cancelled functions.
3361 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3362 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3364 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3365 (remove_path): Ensure that in delete_basic_blocks, the loops
3366 are still allocated.
3367 (add_loop): Work on valid loop structures.
3368 (loopify): Modify call of add_loop.
3369 (mfb_update_loops): Removed.
3370 (create_preheader): Do not update loops explicitly.
3371 (force_single_succ_latches, loop_version): Do not use
3372 loop_split_edge_with.
3373 (loop_split_edge_with): Removed.
3374 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3375 Do not use bsi_insert_on_edge_immediate_loop.
3376 (split_loop_exit_edge, tree_unroll_loop): Do not use
3377 loop_split_edge_with.
3378 (bsi_insert_on_edge_immediate_loop): Removed.
3379 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3380 use loop_split_edge_with.
3381 * cfghooks.c: Include cfgloop.h.
3382 (verify_flow_info): Verify that loop_father is filled iff current_loops
3384 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3385 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3387 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3389 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3390 loop_split_edge_with.
3391 (sms_schedule): Use current_loops.
3392 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3393 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3395 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3396 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3397 * ifcvt.c (if_convert): Ditto.
3398 * predict.c (predict_loops): Do not clear current_loops.
3399 (tree_estimate_probability): Use current_loops.
3400 (propagate_freq): Receive head of the region to propagate instead of
3402 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3403 (estimate_loops): New function. Handle case current_loops == NULL.
3404 (estimate_bb_frequencies): Do not allocate tovisit. Use
3406 * tree-ssa-loop.c (current_loops): Removed.
3407 (tree_loop_optimizer_init): Do not return loops.
3408 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3409 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3410 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3411 Do not update loops explicitly.
3412 * function.h (struct function): Add x_current_loops field.
3413 (current_loops): New macro.
3414 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3415 * loop-unroll.c (split_edge_and_insert): New function.
3416 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3417 use loop_split_edge_with.
3418 * loop-doloop.c (add_test, doloop_modify): Ditto.
3419 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3420 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3421 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3422 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3424 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3425 (flow_loops_free): Do not free dfs_order and rc_order.
3426 (flow_loops_find): Do not set dfs_order and rc_order in loops
3427 structure. Do not call loops and flow info verification.
3428 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3429 already belongs to some loop.
3430 * cfgloop.h (struct loops): Remove struct cfg.
3431 (current_loops, loop_split_edge_with): Declaration removed.
3432 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3433 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3434 Declaration removed.
3435 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3436 * basic-block.h (split_edge_and_insert): Declare.
3437 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3439 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3441 PR tree-optimization/29801
3442 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3443 (get_default_value): Use get_symbol_constant_value.
3444 (set_lattice_value): ICE when the value of the constant is
3446 (visit_assignment): Ignore VDEFs of read-only variables.
3448 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3450 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3452 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3453 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3455 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3457 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3458 select subvars of var.
3460 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3463 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3464 optimize if DEF doesn't have integral type.
3466 2006-11-16 Mike Stump <mrs@apple.com>
3468 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3469 pre-darwin9 system, unless the user asks for it directly.
3470 (PREFERRED_DEBUGGING_TYPE): Likewise.
3471 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3472 * config.gcc: Add suppport for darwin9.h.
3473 * config/darwin9.h: Add.
3474 * doc/install.texi (Specific): Clarify darwin documentation.
3476 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3478 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3479 optimizing for size.
3481 2006-11-16 Mike Stump <mrs@apple.com>
3483 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3485 2006-11-16 Dirk Mueller <dmueller@suse.de>
3487 * tree-vrp.c (get_value_range): Use XCNEW instead
3489 (insert_range_assertions): Use XCNEWVEC instead
3490 of XNEWVEC and memset.
3491 (vrp_initialize): Same.
3492 (vrp_finalize): Same.
3493 * tree-ssa-ccp.c (ccp_initialize): Same.
3494 * predict.c (tree_bb_level_predictions): Same.
3495 * calls.c (expand_call): Same.
3496 * tree-ssa-copy.c (init_copy_prop): Same.
3497 (fini_copy_prop): Same.
3498 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3499 of GGC_NEW and memset.
3501 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3504 * gimplify.c (gimplify_expr): Only force a load for references to
3505 non-BLKmode volatile values.
3506 * doc/implement-c.texi (Qualifiers implementation): Document the
3507 interpretation of what a volatile access is.
3508 * doc/extend.texi (C++ Extensions): Rework same documentation.
3510 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3512 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3515 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3517 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3519 (arm_neg_abssi2): Renamed from neg_abssi2.
3520 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3522 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3524 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3525 number of arguments passed to local functions in SSE registers is 3.
3527 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3528 number of arguments passed in SSE registers to 3.
3530 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3533 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3535 (get_last_bb_insn): ... new global function.
3536 (basic_block.h): Declare it.
3537 * haifa-sched.c (create_recovery_block): Use it.
3539 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3542 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3544 2006-11-15 Paul Brook <paul@codesourcery.com>
3546 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3547 _Unwind_GetTextRelBase): Move from here ...
3548 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3549 _Unwind_GetTextRelBase): ... To here.
3551 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3553 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3554 addresses we generate for testing are aligned.
3556 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3559 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3560 to what is the const decl is a place holder for.
3562 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3564 * config/i386/i386.opt: New target option -mx87regparm.
3566 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3567 and float_in_x87 variables. mmx_words, sse_words: Remove.
3568 (X87_REGPARM_MAX): Define.
3570 * config/i386/i386.c (override_options): Error out for
3571 -mx87regparm but no 80387 support.
3572 (ix86_attribute_table): Add x87regparm.
3573 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3574 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3575 (ix86_function_x87regparm): New function.
3576 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3578 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3580 (function_arg_advance): Process x87_nregs and x87_regno when
3581 floating point argument is to be passed in 80387 register.
3582 (function_arg): Pass XFmode arguments in 80387 registers for local
3583 functions. Pass SFmode and DFmode arguments to local functions
3584 in 80387 registers when flag_unsafe_math_optimizations is set.
3586 * reg-stack.c (convert_regs_entry): Disable NaN load for
3587 stack registers that are used for argument passing.
3589 * doc/extend.texi: Document x87regparm function attribute.
3590 * doc/invoke.texi: Document -mx87regparm.
3592 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3594 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3595 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3596 arg MODE; all callers changed. Use it to determine validity per
3597 machine mode instead of using Pmode for all memory references.
3598 (get_address_cost): Likewise add and use new arg MEM_MODE.
3600 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3601 J"orn Rennecke <joern.rennecke@st.com>
3603 * combine.c (likely_spilled_retval_1): Fix masking operation.
3604 (likely_spilled_retval_p): Use proper pattern for call to
3605 likely_spilled_retval_1.
3607 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3609 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3611 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3612 that tests for CONSTANT_POOL_ADDRESS_P.
3614 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3616 PR tree-optimization/29581
3617 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3618 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3619 type is different between Y and USE, create a temporary
3620 variable, initialize it at the beginning of the body bb
3621 and use it as replacement instead of Y.
3623 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3626 * gimplify.c (fold_indirect_ref_rhs): Use
3627 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3629 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3631 * expmed.c (emit_store_flag_1): New function.
3632 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3634 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3635 Use do_compare_rtx_and_jump.
3636 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3637 * arm.md (cstoresi4): New define_expand.
3638 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3639 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3640 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3642 2006-11-14 Caroline Tice <ctice@apple.com>
3644 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3645 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3647 (pubname_table): Redefine as a vector.
3648 (pubtype_table): New static global variable, defined as a vector.
3649 (pubname_table_allocated): Remove static global variable.
3650 (pubname_table_in_use): Remove static global variable.
3651 (PUBNAME_TABLE_INCREMENT): Remove constant.
3652 (size_of_pubnames): Add parameter to deal with either pubnames or
3653 pubtypes, and change code to deal with table being a vector.
3654 (add_pubname): Change to deal with table being a vector.
3655 (add_pubtype): New function.
3656 (output_pubnames): Add parameter to deal with either pubnames or
3657 pubtypes, and change code to deal with table being a vector.
3658 (gen_array_type_die): Add call to add_pubtype.
3659 (gen_enumeration_type_die): Add call to add_pubtype.
3660 (gen_struct_or_union_type_die): Add call to add_pubtype.
3661 (gen_subroutine_type_die): Add call to add_pubtype.
3662 (gen_typedef_die): Add call to add_pubtype.
3663 (dwarf2out_init): Add code to initialize pubname_table and
3664 pubtype_table vectors; also initialize debug_pubtypes_section.
3665 (prune_unused_types): Change to deal with pubnames being a vector.
3666 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3667 pubnames table to call to output_pubnames; Add code to output pubtypes
3668 table if DEBUG_PUBTYPES_SECTION is defined.
3669 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3671 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3673 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3675 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3676 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3677 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3678 movv2si_internal): Support moves between core registers.
3680 2006-11-14 Eric Christopher <echristo@apple.com>
3682 * configure: Regenerate with autoconf 2.59.
3684 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3686 Fix PR tree-optimization/27755
3688 * tree-ssa-pre.c: Update comments.
3689 (bb_bitmap_sets): Add pa_in and deferred member.
3690 (BB_DEFERRED): New macro.
3691 (maximal_set): New variable.
3692 (pre_stats): Add pa_insert member.
3693 (bitmap_set_and): Short circuit orig == dest.
3694 (bitmap_set_subtract_values): New function.
3695 (bitmap_set_contains_expr): Ditto.
3696 (translate_vuses_through_block): Add phiblock argument.
3697 (dependent_clean): New function.
3698 (compute_antic_aux): Update for maximal_set changes.
3699 (compute_partial_antic_aux): New function.
3700 (compute_antic): Handle partial anticipation.
3701 (do_partial_partial_insertion): New function.
3702 (insert_aux): Handle partial anticipation.
3703 (add_to_sets): Add to maximal set.
3704 (compute_avail): Ditto.
3705 (init_pre): Initialize maximal_set.
3706 (execute_pre): Do partial anticipation if -O3+.
3708 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3710 PR rtl-optimization/29798
3712 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3713 TARGET_INSN before any other check.
3714 (fwprop_init): Always calculate dominators.
3715 (fwprop_done): Always free them.
3717 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3719 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3722 2006-11-13 DJ Delorie <dj@redhat.com>
3724 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3725 temporary for intermediates.
3727 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3729 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3730 (sh_optimize_target_register_callee_saved): #if 0 the code
3731 using NOTE_INSN_LOOP_{BEG,END}.
3733 2006-11-13 Roger Sayle <roger@eyesopen.com>
3735 * fold-const.c (optimize_bit_field_compare): Recursively call
3736 fold when simplifying non-constant comparisons between bit-fields.
3738 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3740 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3742 * configure: Rebuilt.
3744 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3746 * config/rs6000/cell.md: New file.
3747 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3749 (ppccell_cost): New cost matrix.
3750 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3751 (rs6000_override_options): Set rs6000_always_hint to false
3752 for cell. Also align functions/lables/loops to 8byte
3753 for the Cell. Use PROCESSOR_CELL.
3754 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3755 using_mtcr_multiple.
3756 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3757 on the Cell, return 0.
3758 (rs6000_adjust_cost): Add Cell cost adjustments.
3759 (is_microcoded_insn): Return true for Cell microcoded
3761 (is_nonpipeline_insn): New function.
3762 (rs6000_issue_rate): Add PROCESSOR_CELL.
3763 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3765 (rs6000_use_sched_lookahead_guard): New function.
3766 (rs6000_sched_reorder): Reorder the ready list, if the second
3767 to last ready insn is a nonepipeline insn on the Cell.
3768 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3769 (ASM_CPU_SPEC): Add Cell.
3770 * config/rs6000/rs6000.md (cpu): Add Cell.
3771 (cell_micro): New Attr.
3774 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3776 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3778 * configure: Rebuilt.
3780 2006-11-13 Richard Guenther <rguenther@suse.de>
3782 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3784 (ix86_expand_lfloorceil): Likewise.
3785 (ix86_expand_rint): Likewise.
3786 (ix86_expand_floorceildf_32): Likewise.
3787 (ix86_expand_floorceil): Likewise.
3788 (ix86_expand_rounddf_32): Likewise.
3789 (ix86_expand_truncdf_32): Likewise.
3790 (ix86_expand_round): Likewise.
3792 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3793 Mark Mitchell <mark@codesourcery.com>
3795 * gcc.c: Organize search path variables into $prefix relative,
3796 and well-known native. Add comments.
3797 (add_sysrooted_prefix): Add comment.
3798 (process_command): If !gcc_exec_prefix add $prefix based paths.
3799 If *cross_compile == '0', add native well-known paths.
3800 Assert tooldir_base_prefix is always relative.
3801 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3802 use this value for 'install:' path.
3803 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3805 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3807 * config/i386/i386.c: Fix a typo in comment.
3809 2006-11-13 Michael Matz <matz@suse.de>
3811 * genemit.c (gen_expand): Allocate enough memory.
3813 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3815 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3816 __GXX_TYPEINFO_EQUALITY_INLINE but not
3817 __GXX_MERGED_TYPEINFO_NAMES.
3818 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3819 __GXX_MERGED_TYPEINFO_NAMES.
3820 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3821 __GXX_TYPEINFO_EQUALITY_INLINE.
3823 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3824 Zdenek Dvorak <dvorakz@suse.cz>
3826 PR tree-optimization/29680
3827 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3830 2006-11-12 Jason Merrill <jason@redhat.com>
3831 Andrew Pinski <pinskia@physics.uc.edu>
3834 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3836 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3838 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3839 * tree.c (build_vector): Handle non-_CST elements.
3841 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3843 * genemit.c (gen_insn): Call gen_exp with a non-null used
3844 when handling multiple insns.
3845 (gen_expand): Likewise.
3846 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3847 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3848 (movsi_const_16bit+1): Copy operands[1].
3849 (call_pcrel): Copy the call_site pattern.
3850 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3852 2006-11-12 Roger Sayle <roger@eyesopen.com>
3854 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3855 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3856 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3857 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3859 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3861 Fix PR tree-optimization/29587
3862 * tree-ssa-structalias.c (process_constraint): Don't
3863 mark address taken due only to escaped vars constraint.
3865 2006-11-12 Michael Matz <matz@suse.de>
3866 Roger Sayle <roger@eyesopen.com>
3868 PR rtl-optimization/29797
3869 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3870 BITS_BIG_ENDIAN targets.
3872 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3874 * builtins.c (fold_builtin_cosh): New.
3875 (fold_builtin_1): Use it.
3876 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3877 trunc to the list of "odd" functions. Also add llrint, lrint,
3878 rint and nearbyint when flag_rounding_math is false.
3880 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3882 * tree-flow.h (name_mappings_registered_p): Declare.
3883 * tree-into-ssa.c (name_mappings_registered_p): New function.
3884 * tree-cfg.c (tree_can_merge_blocks_p): Check
3885 name_mappings_registered_p instead of need_ssa_update_p.
3887 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3889 * tree-ssa-loop.c (tree_vectorize): Return the result of
3891 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3892 if anything changed.
3893 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3894 * tree-flow.h (vectorize_loops): Declaration changed.
3896 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3898 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3900 (issue_prefetch_ref): Move assignment to write_p out of loop.
3901 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3902 SIMULTANEOUS_PREFETCHES into account.
3903 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3904 * lambda-code.c (lcm): Renamed to ...
3905 (least_common_multiple): ... and exported.
3906 * tree-flow.h (least_common_multiple): Declare.
3908 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3910 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3911 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3912 ud-chains. Handle AND_EXPR.
3913 (record_estimate): Record whether the estimate is realistic
3914 and whether it is derived from a loop exit.
3915 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3916 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3918 (compute_estimated_nb_iterations): Take only realistic bounds into
3919 account. Set estimate_state. Use double_ints.
3920 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3921 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3922 that do not have to be always executed.
3923 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3924 to determine whether to call infer_loop_bounds_from_undefined
3925 and compute_estimated_nb_iterations.
3926 (n_of_executions_at_most): Use double_ints.
3927 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3928 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3929 * double-int.c (double_int_to_tree): Improve comment.
3930 (double_int_fits_to_tree_p): New function.
3931 * double-int.h (double_int_fits_to_tree_p): Declare.
3932 * tree-data-ref.c: Include langhooks.h.
3933 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3934 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3935 (analyze_array): Do not pass estimate_only argument to
3936 analyze_array_indexes.
3937 (get_number_of_iters_for_loop): Build tree from the stored double_int
3939 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3940 (find_data_references_in_loop): Use find_data_references_in_stmt.
3941 * tree-data-ref.h (struct data_ref_loc_d): New.
3942 (get_references_in_stmt): Declare.
3943 (estimate_iters_using_array): Declaration removed.
3944 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3945 double_int. Improve comments. Add is_exit and realistic
3947 (struct loop): Changed type of estimated_nb_iterations to double_int.
3948 Added estimate_state field.
3949 (record_estimate): Declaration removed.
3951 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3953 * params.c (set_param_value): Initialize the "set" field.
3954 * params.h (struct param_info): Add "set" field.
3955 (PARAM_SET_P): New macro.
3956 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3957 L1_CACHE_LINE_SIZE): New macros.
3958 * toplev.c (DEFPARAM): Initialize the "set" field.
3959 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3960 SIMULTANEOUS_PREFETCHES): Removed.
3961 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3962 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3963 * config/sparc/sparc.c: Include params.h.
3964 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3965 L1_CACHE_LINE_SIZE parameters.
3966 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3968 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3970 * config/i386/i386.c: Include params.h.
3971 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3972 (override_options): Set SIMULTANEOUS_PREFETCHES and
3973 L1_CACHE_LINE_SIZE parameters.
3974 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3975 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3976 L1_CACHE_LINE_SIZE parameters.
3977 * config/ia64/ia64.c (ia64_optimization_options): Set
3978 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3979 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3981 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3982 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3983 * doc/invoke.texi: Document new params.
3985 2006-11-12 Roger Sayle <roger@eyesopen.com>
3987 PR tree-optimization/13827
3988 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3991 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3993 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3994 update_single_exit_for_duplicated_loops): New functions.
3995 (duplicate_loop_to_header_edge): Use
3996 update_single_exit_for_duplicated_loops.
3997 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3998 functions only with ENABLE_CHECKING.
4000 2006-11-12 Andreas Schwab <schwab@suse.de>
4002 * except.c (sjlj_emit_function_enter): Remove unused variable.
4004 2006-11-11 Roger Sayle <roger@eyesopen.com>
4006 * fold-const.c (int_binop_types_match_p): New function.
4007 (size_binop): Relax constraint that both arguments must both have
4008 exactly the same sizetype type. Instead use int_binop_types_match_p.
4009 (size_diffop): Likewise.
4011 (make_range): Use build_int_cst instead of fold_convert.
4012 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4013 integer constants of the correct type.
4014 (fold_div_compare): Likewise.
4015 (fold_single_bit_test): Likewise.
4016 (fold_binary): Likewise.
4017 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4018 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4020 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4023 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4024 non null value if the struct memory access is in the 0th
4027 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4030 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4031 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4034 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4035 instead of builtin_define for bfin and BFIN.
4037 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4039 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4042 2006-11-11 Jan Hubicka <jh@suse.cz>
4044 * extend.texi (__builtin_expect): We no longer require second argument
4046 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4047 * builtins.c (expand_builtin_expect): Simplify.
4048 (expand_builtin_expect_jump): Kill.
4049 * final.c (final_scan_insn): Do not skip the removed notes.
4050 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4051 EXPECTED_VALUE): Remove.
4052 * dojump.c (do_jump): Do not care about __builtin_expect.
4053 * predict.c (expected_value_to_br_prob): Kill.
4054 * function.c (expand_function_end): Do not expand
4055 NOTE_INSN_REPEATED_LINE_NUMBER.
4056 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4057 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4058 * cfgexpand.c (add_reg_br_prob_note): Export.
4059 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4060 expected_value_to_br_prob.
4061 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4062 * rtl.h (add_reg_br_prob_note): Declare.
4064 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4066 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4068 2006-11-11 Jan Hubicka <jh@suse.cz>
4070 * predict.c (predict_loops): Kill RTL variant.
4072 2006-11-11 Jan Hubicka <jh@suse.cz>
4074 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4075 * modulo-sched.c (find_line_note): Remove.
4076 (loop_canon_p): Do not worry about line number notes.
4077 (sms_schedule): Likewise.
4078 * cse.c (cse_main): Likewise.
4079 * regmove.c (fixup_match_1): Likewise
4080 * function.c (emit_return_info_block): Likewise.
4081 (expand_function_end): Likewise.
4082 (thread_prologue_an_epilogue_insns): Likewise.
4083 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4085 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4086 emit_note_copy_after): Kill.
4087 (emit_note_copy): Do not worry about line numbers.
4088 * jump.c (purge_line_number_notes): Kill.
4089 (pass_purge_lineno_notes): Kill.
4090 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4092 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4093 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4094 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4095 * tree-pass.h (pass_purge_lineno_notes): Kill.
4096 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4097 rm_redundant_line_notes.
4098 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4099 rm_redundant_line_notes.
4100 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4101 * haifa-sched.c: Update comment about handling notes.
4102 (unlink_line_notes): Kill.
4103 (rm_line_notes): Kill.
4104 (save_line_notes): Simplify.
4105 (rm_redundant_line_notes): Kill.
4107 2006-11-11 Richard Guenther <rguenther@suse.de>
4109 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4110 Remove unused tree codes.
4111 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4112 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4113 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4114 * tree.c (stabilize_reference): Likewise.
4115 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4116 fold_unary): Likewise.
4117 * tree-gimple.c (is_gimple_cast): Likewise.
4118 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4119 * expr.c (expand_expr_real_1): Likewise.
4120 * tree-eh.c (tree_could_trap_p): Likewise.
4121 * gimplify.c (gimplify_expr): Likewise.
4122 * tree-inline.c (estimate_num_insns_1): Likewise.
4123 * tree-cfg.c (verify_expr): Likewise.
4125 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4127 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4128 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4129 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4131 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4134 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4135 constraints accept neither registers or memories.
4137 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4139 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4140 (NO_PROFILE_COUNTERS): Define as 1.
4142 2006-11-10 Roger Sayle <roger@eyesopen.com>
4144 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4145 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4147 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4149 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4151 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4153 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4154 (fold_builtin_hypot): Likewise.
4155 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4157 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4159 2006-11-10 Roger Sayle <roger@eyesopen.com>
4161 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4162 when attempting to build INTEGER_CSTs of non-integral types.
4163 * expmed.c (make_tree): Use the correct type, i.e. the inner
4164 type, when constructing the individual elements of a CONST_VECTOR.
4166 2006-11-10 Jan Hubicka <jh@suse.cz>
4168 * cse.c (cse_process_notes): Copy the propagated value.
4169 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4171 * gcse.c (try_replace_reg): Copy the replacement.
4172 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4173 (assign_386_stack_local): Always return copied memory expression
4174 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4177 2006-11-10 Jan Hubicka <jh@suse.cz>
4179 * final.c (final): Walk from first instruction.
4180 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4182 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4185 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4187 (umulv8hi3_highpart): Ditto.
4188 (vec_widen_smult_hi_v8hi): New expander.
4189 (vec_widen_smult_lo_v8hi): Ditto.
4191 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4194 * builtins.c (do_mpfr_arg3): New.
4195 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4197 2006-11-09 Eric Christopher <echristo@apple.com>
4202 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4203 * config.gcc (powerpc64-*-darwin*): New target.
4204 * config.host: Ditto.
4205 * config/rs6000/darwin64.h: New file.
4206 * config/rs6000/x-darwin64: Ditto.
4207 * config/rs6000/host-ppc64-darwin.c: Ditto.
4209 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4211 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4212 routines for integer division.
4214 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4216 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4218 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4221 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4223 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4225 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4226 simplify_subreg with BLKmode outer mode.
4228 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4230 * doc/invoke.texi: Minor formatting fixes in option lists.
4232 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4234 PR tree-optimization/29738
4235 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4236 (ccp_lattice_t): Remove UNKNOWN_VAL.
4237 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4238 Do not handle UNKNOWN_VAL.
4239 (get_default_value): Set initial value of virtual operands to
4241 (get_value): Always use get_default_value on uninitialized
4243 (set_value_varying, surely_varying_stmt_p): New functions.
4244 (set_lattice_value): Do not pass argument to get_value.
4245 Do not handle UNKNOWN_VAL.
4246 (likely_value): Follow the semantics described in the comment.
4247 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4248 phi nodes DONT_SIMULATE_AGAIN.
4249 (ccp_fold): Do not pass argument to get_value.
4250 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4253 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4255 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4256 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4258 2006-11-08 Roger Sayle <roger@eyesopen.com>
4260 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4261 test for inclusion rather than as a test for exclusion.
4262 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4263 the condition after calling fold_binary.
4264 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4265 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4266 * builtins.c (fold_builtin_isascii): Likewise.
4267 (fold_builtin_isdigit): Likewise.
4269 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4271 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4272 * configure: Regenerate.
4274 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4276 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4277 enum argument instead of bool.
4278 (vect_analyze_operations): Call vectorizable_type_promotion.
4279 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4280 stmt_vec_info_type value.
4281 (supportable_widening_operation, vectorizable_type_promotion): New
4282 function declarations.
4283 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4284 (vectorizable_type_promotion): New function.
4285 (vect_transform_stmt): Call vectorizable_type_promotion.
4286 * tree-vect-analyze.c (supportable_widening_operation): New function.
4287 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4289 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4292 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4293 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4294 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4296 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4297 * expr.c (expand_expr_real_1): Likewise.
4298 * optabs.c (optab_for_tree_code): Likewise.
4299 (init_optabs): Initialize new optabs.
4300 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4301 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4302 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4303 vec_unpacku_lo_optab): Initialize new optabs.
4304 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4305 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4306 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4308 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4309 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4310 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4311 (vec_unpacku_lo_optab): New optabs.
4312 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4313 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4314 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4315 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4316 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4317 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4319 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4320 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4321 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4322 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4323 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4324 implement the unsigned unpacking patterns.
4325 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4326 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4327 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4328 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4329 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4330 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4331 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4332 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4333 multiplication patterns.
4335 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4336 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4337 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4338 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4339 (rs6000_builtin_mul_widen_odd): New.
4340 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4341 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4342 * tree-vectorizer.h (enum vect_relevant): New enum type.
4343 (_stmt_vec_info): Field relevant chaned from bool to enum
4345 (STMT_VINFO_RELEVANT_P): Updated.
4346 (STMT_VINFO_RELEVANT): New.
4347 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4348 instead of STMT_VINFO_RELEVANT_P.
4349 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4350 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4351 and boolean variable with enum vect_relevant.
4352 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4353 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4354 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4356 2006-11-08 Richard Henderson <rth@redhat.com>
4358 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4359 vec_widen_umult_lo_v8hi): New.
4360 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4361 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4363 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4364 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4365 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4366 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4367 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4368 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4369 vec_unpacks_lo_v4si): New.
4371 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4373 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4374 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4375 (vect_analyze_operations): Call vectorizable_type_demotion.
4376 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4377 stmt_vec_info_type value.
4378 (vectorizable_type_demotion): New function declaration.
4379 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4382 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4383 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4385 * tree-iniline.c (estimate_num_insns_1): Likewise.
4386 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4387 * optabs.c (optab_for_tree_code): Likewise.
4389 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4390 compared against the predicate of the result is not 'mode' (the input
4391 to the function) but a mode with half the size of 'mode'.
4392 (init_optab): Initialize new optabs.
4393 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4395 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4397 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4398 (vec_pack_usat_optab): Initialize new optabs.
4399 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4400 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4402 2006-11-08 Richard Henderson <rth@redehat.com>
4404 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4405 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4406 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4407 (vec_interleave_highv4si, vec_interleave_lowv4si):
4408 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4410 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4412 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4414 (vect_transform_stmt): Removed redundant code.
4416 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4418 * tree-vect-transform.c (vectorizable_operation): Support multiple
4421 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4423 * tree-vect-transform.c (vect_align_data_ref): Removed.
4424 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4425 Updated function documentation. Return the increment stmt in ptr_incr.
4426 (bump_vector_ptr): New function.
4427 (vect_get_vec_def_for_stmt_copy): New function.
4428 (vect_finish_stmt_generation): Create a stmt_info to newly created
4430 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4432 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4433 VF is greater than the number of elements that can fit in one vector
4435 (vectorizable_operation, vectorizable_condition): Likewise.
4436 (vectorizable_store, vectorizable_load): Support the case that the VF
4437 is greater than the number of elements that can fit in one vector word.
4438 (vect_transform_loop): Don't fail in case of multiple data-types.
4439 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4440 in case of multiple data-types; the smallest type determines the VF.
4441 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4442 if they are of different sizes.
4443 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4444 number of elements rather than number of bytes.
4445 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4446 (vect_can_advance_ivs_p): Fix a dump printout
4448 2006-11-07 Eric Christopher <echristo@apple.com>
4450 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4451 (__bswapsi2): Ditto.
4452 * libgcc2.h: Remove transformation of bswap routines.
4453 * config/i386/i386.md (bswapsi2): New.
4456 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4458 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4459 (handle_gnu_inline_attribute): New function.
4460 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4461 (merge_decls, start_decl, start_function): Likewise.
4462 * doc/extend.texi: Document gnu_inline attribute.
4464 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4467 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4468 _fixunstfdi, and _floatditf
4470 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4472 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4474 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4475 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4476 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4477 which start in an odd register.
4479 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4481 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4483 2006-11-07 Josh Conner <jconner@apple.com>
4485 * doc/invoke.texi (fstrict-aliasing): Move implementation
4487 * doc/tree-ssa.texi (Alias analysis): ...here.
4489 2006-11-07 Richard Guenther <rguenther@suse.de>
4491 PR tree-optimization/29610
4492 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4493 of tree_purge_dead_eh_edges as it may free dominators.
4495 * g++.dg/other/pr29610.C: New testcase.
4497 2006-11-07 David Ung <davidu@mips.com>
4499 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4500 costs when optimizing for size.
4501 (override_options): Use mips_rtx_cost_optimize_size table for cost
4504 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4506 * gcc.c (process_command): Treat -b as normal switch if its argument
4509 2006-11-07 David Ung <davidu@mips.com>
4511 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4514 2006-11-06 Eric Christopher <echristo@apple.com>
4516 * config.gcc: Add x86_64-darwin host support.
4517 * config.host: Ditto.
4518 * config/i386/darwin64.h: New file.
4519 * config/i386/t-darwin64: Ditto.
4521 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4523 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4524 and output-exists-not.
4526 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4529 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4530 checking for overflow.
4532 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4534 * configure.ac: Fixed typo in case statement: :: changed to ;;
4536 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4538 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4539 count_leading_zeros, and count_trailing_zeros.
4540 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4541 (TARGET_FOLD_BUILTIN): Define.
4542 (TARGET_EXPAND_BUILTIN): Define.
4543 (xtensa_init_builtins): New.
4544 (xtensa_fold_builtin): New.
4545 (xtensa_expand_builtin): New.
4546 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4547 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4548 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4549 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4550 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4551 (any_extend): New code macro.
4552 (u, su): New code attributes.
4553 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4554 (nsau): Remove; replaced by clzsi2.
4555 (ffssi2): Use clzsi2.
4556 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4557 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4558 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4559 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4560 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4562 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4564 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4566 * config/arm/t-strongarm-elf: Likewise.
4567 * config/arm/t-pe: Likewise.
4568 * config/arm/t-arm-elf: Likewise.
4569 * config/arm/t-xscale-elf: Likewise.
4570 * config/arm/t-arm-coff: Likewise.
4571 * config/arm/t-xscale-coff: Likewise.
4572 * config/arm/t-wince-pe: Likewise.
4574 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4576 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4579 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4582 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4585 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4588 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4589 as a valid 80387 constant.
4590 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4591 * config/i386/i386.md (unnamed splitter): Split the load of
4592 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4595 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4597 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4598 from the soft-frame, argument and virtual registers.
4600 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4602 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4603 patterns for standard 80387 constants.
4605 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4606 Steven Bosscher <steven@gcc.gnu.org>
4608 * fwprop.c: New file.
4609 * Makefile.in: Add fwprop.o.
4610 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4611 * passes.c (init_optimization_passes): Schedule forward propagation.
4612 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4614 * timevar.def (TV_FWPROP): New.
4615 * common.opt (-fforward-propagate): New.
4616 * opts.c (decode_options): Enable forward propagation at -O2.
4617 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4618 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4619 canon_for_address, table_size): Remove.
4620 (new_basic_block, insert, remove_from_table): Remove references to
4622 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4623 simplification loop more straightforward by not calling fold_rtx
4625 (equiv_constant): Move here a small part of fold_rtx_subreg,
4626 do not call fold_rtx. Call avoid_constant_pool_reference
4628 * recog.h (canonicalize_change_group): New.
4630 * doc/invoke.texi (Optimization Options): Document fwprop.
4631 * doc/passes.texi (RTL passes): Document fwprop.
4633 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4635 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4636 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4637 (grokdeclarator): Likewise.
4639 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4641 * tree-dump.c (dump_enable_all): Rename local variable
4642 ir_type to avoid name conflicts.
4643 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4644 instead of using ir_type().
4645 * profile.c (tree_register_profile_hooks): Likewise.
4646 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4647 * basic-block.h (struct edge_def): Likewise.
4648 * config/arm/arm.c (legitimize_pic_address): Likewise.
4649 * coretypes.h (ir_type): New enum of all intermediate languages
4651 * cfghooks.c (ir_type): Rename to...
4652 (current_ir_type): ...this. Distinguish between cfgrtl and
4653 cfglayout mode when the current IR is RTL. Return enum ir_type.
4654 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4656 2006-11-03 Paul Brook <paul@codesourcery.com>
4658 * config/arm/arm.c (arm_file_start): New function.
4659 (TARGET_ASM_FILE_START): Define.
4660 (arm_default_cpu): New variable.
4661 (arm_override_options): Set arm_default_cpu.
4663 2006-11-03 David Ung <davidu@mips.com>
4665 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4666 PROCESSOR_24KC and PROCESSOR_24KF.
4667 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4668 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4669 (mips_rtx_cost_data): Add costs for the 24kc.
4670 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4671 * config/mips/24k.md: Remove references to 24k and replace with
4672 uses of 24kc/24kf in the appropriate reservations.
4673 * doc/invoke.texi (MIPS Options): Updated.
4675 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4677 * config/sh/crt1.asm: Fix #ifdef indent.
4679 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4680 Merged from STMicroelectronics sources:
4681 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4682 * config/sh/crt1.asm (vbr_600): Add missing #if.
4683 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4684 * sh.opt (mfused-madd): New option.
4685 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4686 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4687 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4688 Remove pointless handler at VBR+0.
4689 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4690 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4691 fr7. Make sure the timer handler is called with the correct FPU
4692 precision setting, according to the ABI.
4693 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4694 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4695 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4696 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4697 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4698 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4699 zero as second operand.
4700 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4701 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4702 Fixed some bugs related to negative values, in particular -0
4703 and overflow at -0x80000000.
4704 * config/sh/divcost-analysis: Added sh4-300 figures.
4705 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4706 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4707 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4708 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4709 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4710 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4712 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4714 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4715 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4716 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4717 mac_mem, mem_mac, dfp_mul, fp_cmp.
4718 (insn_class, dfp_comp, any_fp_comp): Update.
4719 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4720 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4721 (muldf3_i): Likewise.
4722 (movsi_i): Split rI08 alternative into two separate alternatives.
4724 (movsi_ie, movsi_i_lowpart): Likewise.
4725 (movqi_i): Split ri alternative into two separate alternatives.
4727 * sh1.md (sh1_load_store, sh1_fp): Update.
4728 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4729 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4730 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4731 (sh4a_fp_double_arith): Likewise.
4732 * sh4-300.md: New file.
4733 * sh.c (sh_handle_option): Handle m4-300* options.
4734 (sh_adjust_cost): Fix latency of auto-increments.
4735 Handle SH4-300 differently than other SH4s. Check for new insn types.
4736 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4737 been set by an option.
4738 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4739 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4740 (mbranch-cost=): Likewise.
4741 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4743 * sh.md (mulsf3): Remove special expansion code.
4744 (mulsf3_ie): Now a define_insn_and_split.
4745 (macsf3): Allow for TARGET_SH4.
4747 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4748 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4749 (expand_cbranchdi4): Likewise.
4750 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4751 CONST_DOUBLE if the outer code is COMPARE.
4752 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4753 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4754 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4755 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4756 Remove redundant fp_{zero,one}_operand checks.
4757 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4758 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4759 (expand_cbranchdi4): Likewise.
4760 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4761 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4763 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4765 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4768 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4770 * doc/invoke.texi: Fix mfp-trap-mode typo.
4772 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4774 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4775 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4776 file_end_indicate_exec_stack.
4777 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4779 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4780 for a non-executable stack.
4781 * crti.asm: Likewise.
4782 * crtn.asm: Likewise.
4783 * libunwind.S: Likewise.
4785 2006-11-02 Ben Elliston <bje@au.ibm.com>
4787 * tree-ssa.c (warn_uninit): Use expand_location variables for
4788 locus and declaration locus.
4790 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4793 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4794 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4795 cmp{eq,gt,gtu}{si,di}_media.
4796 (*cmpne0si_media): Remove.
4797 (*movsicc_umin): Adjust gen_cmp*_media call.
4798 (unordered): Change the mode of unordered and operands[1] to
4800 (seq): Adjust gen_cmp*_media calls. Make the mode of
4801 a temporary result of compare SImode if needed. If the mode
4802 of operands[0] is DImode, extend the temporary result to DImode.
4803 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4804 (sunorderd): Change the mode of match_operand and unorderd to
4806 (cmpeq{sf,df}_media): Remove.
4807 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4808 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4809 and compare operation to SImode.
4811 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4813 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4815 (sparc64-sun-solaris2*): Likewise.
4817 2006-11-02 Paul Brook <paul@codesourcery.com>
4819 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4820 from priority argument. Use different section for non-default
4822 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4824 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4827 * except.c (switch_to_exception_section): Do not cache the section
4828 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4829 and flag_function_sections is set.
4831 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4834 * builtins.c (do_mpfr_sincos): New.
4835 (fold_builtin_1): Use it to fold builtin sincos.
4837 2006-11-01 Roger Sayle <roger@eyesopen.com>
4839 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4840 it into -D_REENTRANT.
4842 2006-11-01 Roger Sayle <roger@eyesopen.com>
4844 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4845 whether the assembler supports taking the difference of symbols in
4846 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4847 * configure: Regenerate.
4848 * config.in: Regenerate.
4849 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4850 the assembler doesn't support taking the difference of symbols in
4851 different sections, i.e. we're using the native solaris assembler.
4853 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4854 Peter Bergner <bergner@vnet.ibm.com>
4856 * doc/invoke.texi: Add cpu_type power6x
4857 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4858 * config.gcc: Add cpu_type power6x.
4859 * configure.ac: Add test for mf{t,f}gpr instructions.
4860 (HAVE_AS_MFPGPR): New.
4861 * config.in: Regenerate.
4862 * configure: Regenerate.
4863 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4864 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4865 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4866 and mftgpr attributes.
4867 (define_attr "cpu"): Add power6.
4868 Change instruction sequences to use new attributes.
4869 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4870 (fix_truncdfsi2_mfpgpr): New.
4871 (floatsidf_ppc64_mfpgpr): New.
4872 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4873 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4874 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4875 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4876 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4877 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4878 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4879 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4880 cntlz,exts and var_delayed_compare.
4881 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4882 _ARCH_PWR6X, if features enabled.
4883 * config/rs6000/rs6000.opt (mmfpgpr): New.
4884 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4885 (cached_can_issue_more): New variable.
4886 (processor_costs): Add power6_cost.
4887 (rs6000_sched_init): New function.
4888 (is_dispatch_slot_restricted): Deleted.
4889 (set_to_load_agen): New function.
4890 (is_load_insn,is_store_insn): New functions.
4891 (adjacent_mem_locations): New function.
4892 (insn_must_be_first_in_group): New function.
4893 (insn_must_be_last_in_group): New function.
4894 (rs6000_sched_reorder): New function.
4895 (rs6000_sched_reorder2): New function.
4896 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4897 TARGET_SCHED_REORDER2): Define.
4898 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4899 Add power6x. Add MASK_MFPGPR for power6x.
4900 (POWERPC_MASKS): Add MASK_MFPGPR.
4901 (rs6000_override_options): Set rs6000_always_hint to false
4902 for power6. Set rs6000_align_branch_targets. Replace
4903 rs6000_sched_groups check with rs6000_align_branch_targets.
4904 Use PROCESSOR_POWER6.
4905 (last_scheduled_insn): New variable.
4906 (load_store_pendulum): New variable.
4907 (rs6000_variable_issue): Set last_scheduled_insn and
4908 cached_can_issue_more.
4909 (rs6000_adjust_cost): Add power6 cost adjustments.
4910 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4911 with insn_must_be_first_in_group. Add power6 priority adjustments.
4912 (rs6000_issue_rate): Add CPU_POWER6.
4913 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4914 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4915 (TARGET_MFPGPR): New.
4916 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4917 (ASM_CPU_SPEC): Add power6x.
4918 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4920 * config/rs6000/power6.md: New file.
4922 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4924 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4925 HOST_WIDE_INT_PRINT to print high and low parts. Use
4926 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4927 printing a hexadecimal number prefix it with 0x.
4929 2006-11-01 Chris Johns <chris@contemporary.net.au>
4932 * Makefile.in (install-driver): Use exeext when installing
4933 $target-gcc-$version.
4935 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4937 * c-common.c (flag_cpp0x): New.
4938 * c-common.h (flag_cpp0x): New.
4939 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4940 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4941 * c-opts.c (set_std_cxx0x): New.
4942 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4943 * c.opt (std=c++0x): Document.
4944 (std=gnu++0x): Ditto.
4945 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4946 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4948 2006-11-01 Richard Guenther <rguenther@suse.de>
4950 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4952 (ix86_expand_floorceildf_32): Likewise.
4953 (ix86_expand_floorceil): Likewise.
4954 (ix86_expand_trunc): Likewise.
4956 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4958 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4961 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4963 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4965 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4967 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4969 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4970 * configure.ac (use_cxa_atexit): As a special case, don't test
4971 for libc definition of __cxa_atexit on mingw32
4972 * configure: Regenerate.
4973 * config.gcc (i[34567]86-pc-mingw32): Default to
4974 enable__cxa_atexit=yes.
4976 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4978 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4980 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4983 * c-decl.c (start_struct): Don't create self-containing
4985 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4987 * config/rs6000/rs6000-protos.h
4988 (darwin_rs6000_special_round_type_align): New.
4989 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4990 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4992 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4994 * toplev.c (compile_file): Call final_write_globals
4995 even if there have been errors.
4997 2006-10-31 Eric Christopher <echristo@apple.com>
4998 Falk Hueffner <falk@debian.org>
5000 * doc/extend.texi (__builtin_bswap32): Document.
5001 (__builtin_bswap64): Ditto.
5002 * doc/libgcc.texi (bswapsi2): Document.
5004 * doc/rtl.texi (bswap): Document.
5005 * optabs.c (expand_unop): Don't widen a bswap.
5006 (init_optabs): Init bswap. Set libfuncs explicitly
5007 for bswapsi2 and bswapdi2.
5008 * optabs.h (OTI_bswap): New.
5009 (bswap_optab): Ditto.
5010 * genopinit.c (optabs): Handle bswap_optab.
5011 * tree.h (tree_index): Add TI_UINT32_TYPE and
5013 (uint32_type_node): New.
5014 (uint64_type_node): Ditto.
5015 * tree.c (build_common_tree_nodes_2): Initialize
5016 uint32_type_node and uint64_type_node.
5017 * builtins.c (expand_builtin_bswap): New.
5018 (expand_builtin): Call.
5019 (fold_builtin_bswap): New.
5020 (fold_builtin_1): Call.
5021 * fold-const.c (tree_expr_nonnegative_p): Return true
5023 * builtin-types.def (BT_UINT32): New.
5025 (BT_FN_UINT32_UINT32): Ditto.
5026 (BT_FN_UINT64_UINT64): Ditto.
5027 * builtins.def (BUILT_IN_BSWAP32): New.
5028 (BUILT_IN_BSWAP64): Ditto.
5029 * rtl.def (BSWAP): New.
5030 * genattrtab.c (check_attr_value): New.
5031 * libgcc2.c (__bswapSI2): New.
5032 (__bswapDI2): Ditto.
5033 * libgcc2.h (__bswapSI2): Declare.
5034 (__bswapDI2): Ditto.
5035 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5036 * simplify-rtx.c (simplify_const_unary_operation): Return
5038 * libgcc-std.ver (__bwapsi2): Add.
5039 (__bswapdi2): Ditto.
5040 * reload1.c (eliminate_regs_1): Add bswap.
5041 (elimination_effects): Ditto.
5042 * config/i386/i386.h (x86_bswap): New.
5043 (TARGET_BSWAP): Use.
5044 * config/i386/i386.c (x86_bswap): Set.
5046 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5048 * coverage.c (coverage_checksum_string): Update comment.
5049 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5050 of get_file_function_name.
5051 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5052 of get_file_function_name_long.
5053 * tree.c (get_file_function_name): Rename from
5054 get_file_function_name_long; improve comment; handle 'I' and 'D'
5055 specially when the target has ctor/dtor support; remove special
5057 (get_file_function_name): Remove.
5058 * tree.h (get_file_function_name): Rename from
5059 get_file_function_name_long.
5060 (get_file_function_name): Remove prototype.
5062 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5064 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5065 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5067 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5068 Call dsymutil when compiling and linking one or more source files
5071 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5074 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5076 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5078 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5079 inline static functions in c99 mode.
5082 * doc/extend.texi (Inline): Update.
5083 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5084 * c-decl.c (current_extern_inline): Delete.
5085 (pop_scope): Adjust test for an undefined nested function.
5086 Add warning about undeclared inline function.
5087 (diagnose_mismatched_decls): Update comments. Disallow overriding
5088 of inline functions in a translation unit in C99. Allow inline
5089 declarations in C99 at any time.
5090 (merge_decls): Boolize variables. Handle C99 'extern inline'
5092 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5093 C99 inline semantics.
5094 (start_function): Don't clear current_extern_inline. Don't set
5096 (c_push_function_context): Don't push current_extern_inline.
5097 (c_pop_function_context): Don't restore current_extern_inline.
5100 * c-typeck.c (build_external_ref): Warn about static variables
5101 used in extern inline functions.
5102 * c-decl.c (start_decl): Warn about static variables declared
5103 in extern inline functions.
5105 2006-10-31 Roger Sayle <roger@eyesopen.com>
5108 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5109 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5110 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5111 or y is an even integer.
5113 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5116 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5117 * gthr-posix95.h (__gthread_active_p): Likewise.
5119 2006-10-31 Richard Guenther <rguenther@suse.de>
5121 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5122 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5123 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5124 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5125 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5126 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5127 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5128 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5131 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5133 * opts.c (decode_options): Disable CSE skip blocks.
5135 2006-10-30 Dirk Mueller <dmueller@suse.de>
5137 * c-common.h (strict_aliasing_warning): Fix whitespace.
5138 * c-decl (start_function): Move code for main decl warning ..
5139 * c-common.c (check_main_parameter_types): .. here.
5140 * c-common.h (check_main_parameter_types): Declare.
5142 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5145 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5147 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5149 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5150 be a PARALLEL containing sets. Return false when out_pat is not
5153 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5155 * config/mips/mips.md (mul<mode>3): Split into...
5156 (mulsi3, muldi3): ...these separate patterns.
5158 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5160 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5161 but with each set of options separated by spaces.
5163 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5165 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5166 dwarf_reg_size_table has been initialized.
5168 2006-10-30 Roger Sayle <roger@eyesopen.com>
5170 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5171 * ddg.c (print_ddg_edge): Likewise.
5172 * dwarf2out.c (prune_unused_types_walk): Likewise.
5173 * ifcvt.c (noce_try_cmove_arith): Likewise.
5174 * langhooks.c (add_builtin_function): Likewise.
5175 * reg-stack.c (subst_stack_regs_pat): Likewise.
5176 * tree.c (expanded_location): Likewise.
5177 * tree-dump.c (dequeue_and_dump): Likewise.
5179 2006-10-30 David Daney <ddaney@avtrex.com>
5181 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5183 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5185 PR tree-optimization/29637
5186 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5187 of the innertype is the innertype itself.
5189 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5191 * dwarf2out.c (file_name_acquire): Correct typo.
5193 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5195 * tree.h (tree_value_handle): Remove struct value_set declaration.
5196 Change value_set to bitmap_set.
5197 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5198 * tree-vn.c (get_value_handle): Made inline and moved to
5200 * tree-flow-inline.h: (has_stmt_ann): New function.
5201 * tree-ssa-pre.c (expressions): New variable.
5202 (next_expression_id): Ditto.
5203 (alloc_expression_id): New function.
5204 (struct value_set): Remove.
5205 (get_expression_id): New function.
5206 (get_or_alloc_expression_id): Ditto.
5207 (expression_for_id): Ditto.
5208 (clear_expression_ids): Ditto.
5209 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5210 (bb_value_sets): Renamed to bb_bitmap_sets.
5211 All value sets replaced with bitmap_sets.
5213 (BB_VISITED): New macro.
5214 (postorder): New variable.
5215 (add_to_value): Removed.
5216 (value_exists_in_set_bitmap): Ditto.
5217 (value_insert_into_set_bitmap): Ditto.
5220 (set_remove): Ditto.
5221 (set_contains_value): Ditto.
5222 (insert_into_set): Ditto.
5224 (find_leader): Ditto.
5225 (bitmap_set_subtract_from_value_set): Ditto.
5226 (value_insert_into_set): Ditto.
5227 (print_value_set): Ditto.
5228 (debug_value_set): Ditto.
5229 (constant_expr_p): New function.
5230 (bitmap_remove_from_set): Ditto.
5231 (bitmap_insert_into_set): Ditto.
5232 (bitmap_set_free): Ditto.
5233 (vh_compare): Ditto.
5234 (sorted_array_from_bitmap_set): Ditto.
5235 (bitmap_set_subtract): Ditto.
5236 (bitmap_set_equal): Ditto.
5237 (debug_bitmap_set): Ditto.
5238 (find_leader_in_sets): Ditto.
5239 (bitmap_set_replace_value): Modify for bitmapped sets.
5240 (phi_translate): Ditto.
5241 (phi_translate_set): Ditto.
5242 (bitmap_find_leader): Ditto.
5243 (valid_in_sets): Ditto.
5244 (union_contains_value): Ditto.
5246 (compute_antic_aux): Ditto. Mark changed blocks.
5247 (compute_antic): Ditto. Iterate in postorder and only over
5249 (compute_rvuse_and_antic_safe): Reuse postorder.
5250 (create_component_ref_by_pieces): Modify for bitmapped sets.
5251 (find_or_generate_expression): Ditto.
5252 (create_expression_by_pieces): Ditto.
5253 (insert_into_preds_of_block): Ditto.
5254 (changed_blocks): New variable.
5255 (do_regular_insertion): Broken out from insert_aux.
5256 (insert_aux): Modified for bitmapped sets.
5257 (find_existing_value_expr): New function.
5258 (create_value_expr_from): Use it.
5259 (insert_extra_phis): Removed.
5260 (print_bitmap_set): Renamed from bitmap_print_value_set.
5261 (compute_avail): Handle RETURN_EXPR.
5262 (init_pre): Modify for bitmapped sets.
5263 * tree-flow.h (has_stmt_ann): New function.
5265 2006-10-29 Roger Sayle <roger@eyesopen.com>
5267 * builtins.c (fold_builtin_floor): Check for the availability of
5268 the C99 trunc function before transforming floor into trunc.
5270 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5272 * builtins.c (fold_builtin_hypot): Rearrange recursive
5273 transformation before others, and also do ABS_EXPR. When
5274 necessary, check flag_unsafe_math_optimizations. When necessary,
5277 2006-10-29 Roger Sayle <roger@eyesopen.com>
5279 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5280 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5281 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5282 Fold -X eq/ne -Y as X eq/ne Y.
5284 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5286 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5287 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5288 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5289 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5290 Use an inclusive test for "mult" rather than "mul".
5291 (rotr<mode>3): Depend on ISA_HAS_ROR.
5292 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5294 (GENERATE_MULT3_DI): Delete.
5295 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5296 (ISA_HAS_MUL3): New macro.
5297 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5298 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5299 (ISA_HAS_CLZ_CLO): Likewise.
5300 (ISA_HAS_DCLZ_DCLO): Delete.
5301 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5302 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5303 the VR4120 and VR4130.
5304 (ISA_HAS_MACCHI): Use consistent formatting.
5305 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5306 (ISA_HAS_ROR): ...this new macro.
5307 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5308 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5309 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5311 2006-10-29 Roger Sayle <roger@eyesopen.com>
5313 PR tree-optimization/15458
5314 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5317 2006-10-29 Richard Guenther <rguenther@suse.de>
5319 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5320 (ix86_expand_truncdf_32): Likewise.
5321 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5322 trunc inline for SSE math and -fno-trapping-math and if not
5323 optimizing for size.
5324 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5325 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5326 for expanding btrunc inline for SSE math.
5328 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5330 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5331 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5332 i[34567]86-*-solaris2.1[0-9]*.
5333 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5334 Define conditionally depending on TARGET_64BIT_DEFAULT.
5335 (SPEC_32, SPEC_64): Define.
5336 (LINK_SPEC): Use them.
5337 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5339 2006-10-29 Richard Guenther <rguenther@suse.de>
5341 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5342 (ix86_expand_rounddf_32): Likewise.
5343 * config/i386/i386.c (ix86_expand_round): New function expanding
5344 round inline for SSE math and -fno-trapping-math and if not
5345 optimizing for size.
5346 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5347 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5348 round via ix86_expand_round.
5350 2006-10-29 Richard Guenther <rguenther@suse.de>
5352 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5353 (ix86_expand_floorceildf_32): Likewise.
5354 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5355 static helper function.
5356 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5358 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5359 * config/i386/i386.md (floordf2): Adjust to enable floor
5360 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5361 -fno-trapping-math is enabled and if not optimizing for size.
5362 (floorsf2, ceildf2, ceilsf2): Likewise.
5363 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5364 (sse2_maskcmpdf3): Likewise.
5366 2006-10-29 Richard Guenther <rguenther@suse.de>
5368 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5369 rint in case -fno-trapping-math is enabled.
5370 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5371 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5372 (ix86_expand_sse_fabs): Likewise.
5373 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5374 * config/i386/i386.md (rintdf2): Enable for SSE math if
5375 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5376 (rintsf2): Likewise.
5378 2006-10-29 Richard Guenther <rguenther@suse.de>
5380 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5381 to conversion optabs.
5382 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5383 as conversion optab.
5384 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5385 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5386 (lfloor_optab, lceil_optab): Adjust defines.
5387 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5388 lfloor and lceil optabs now being conversion optabs.
5389 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5390 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5391 New static helper function.
5392 (ix86_expand_lfloorceil): New function to expand lfloor and
5394 * config/i386/i386.md (lfloor<mode>2): Split into ...
5395 (lfloorxf<mode>2): ... x87 variant
5396 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5397 using ix86_expand_lfloorceil.
5398 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5400 * doc/md.texi (lfloorMN, lceilMN): Document.
5402 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5404 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5405 -mno-shared assembler option on mips targets.
5406 * configure, config.in: Regenerate.
5407 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5408 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5409 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5411 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5413 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5414 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5416 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5418 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5419 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5422 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5426 (fold_builtin_pow): Evaluate constant arguments at compile-time
5428 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5429 (do_mpfr_ckconv): New helper function.
5430 (do_mpfr_arg1): Use do_mpfr_ckconv.
5431 (do_mpfr_arg2): New.
5433 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5436 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5437 (-fdump-rtl-sched): Rename to ..
5438 (-fdump-rtl-sched1): here. Also fix file extension number.
5440 2006-10-28 Richard Guenther <rguenther@suse.de>
5442 * fold-const.c (maybe_canonicalize_comparison): Fix code
5445 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5447 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5448 (NON_QI_REG_P): Use IN_RANGE.
5449 (REX_INT_REGNO_P): Use IN_RANGE.
5450 (FP_REGNO_P): Use IN_RANGE.
5451 (SSE_REGNO_P): Use IN_RANGE.
5452 (REX_SSE_REGNO_P): Use IN_RANGE.
5453 (MMX_REGNO_P): Use IN_RANGE.
5454 (STACK_REGNO_P): New macro.
5455 (STACK_REG_P): Use STACK_REGNO_P.
5456 (NON_STACK_REG_P): Use STACK_REGNO_P.
5457 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5458 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5459 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5460 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5461 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5463 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5465 * except.h (output_function_exception_table): Add 'const char*' param.
5466 * except.c (switch_to_exception_section): Add 'const char*' param.
5467 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5468 and flag_function_sections is set, use a function-specific section.
5469 (output_function_exception_table): Add 'const char*' param.
5470 Adjust call to switch_to_exception_section.
5471 * final.c (rest_of_handle_final): Adjust calls to
5472 output_function_exception_table.
5473 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5474 * config.in: Regenerate.
5475 * configure: Likewise.
5477 2006-10-28 Richard Guenther <rguenther@suse.de>
5480 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5481 for maybe_canonicalize_comparison.
5482 (maybe_canonicalize_comparison): New function for canonicalizing
5484 (fold_comparison): Call it to canonicalize comparisons with
5487 2006-10-28 Richard Guenther <rguenther@suse.de>
5490 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5491 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5492 (expand_builtin): Adjust likewise.
5493 * genopinit.c (optabs[]): Add lround optab.
5494 * optabs.c (init_optabs): Initialize lround_optab.
5495 * optabs.h (enum convert_optab_index): Add COI_lround.
5496 (lround_optab): Define.
5497 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5498 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5500 (ix86_expand_lround): New function.
5501 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5503 * doc/md.texi (lroundMN2): Document.
5505 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5508 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5509 argument to HOST_WIDE_INT. Update function prototype.
5510 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5511 "size" argument to HOST_WIDE_INT. Update function prototype.
5513 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5515 * config/i386/i386.c (output_387_ffreep): Create output from a
5516 template string for !HAVE_AS_IX86_FFREEP.
5518 2006-10-27 Eric Christopher <echristo@apple.com>
5520 * config/darwin.c: Fix formatting and grammar.
5522 2006-10-27 Jan Hubicka <jh@suse.cz>
5524 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5525 to be thrown away soon when IGNORE is set.
5526 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5527 indicating when return value shall not be computed.
5528 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5530 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5532 * config/i386/i386.h (TARGET_GEODE):
5533 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5534 (TARGET_CPU_DEFAULT_geode): New macro.
5535 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5536 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5537 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5538 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5539 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5541 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5542 (processor_type): Add PROCESSOR_GEODE.
5544 * config/i386/i386.md: Include geode.md.
5547 * config/i386/i386.c (geode_cost): New initialized global
5549 (m_GEODE, m_K6_GEODE): New macros.
5550 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5551 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5552 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5553 x86_schedule): Use m_K6_GEODE instead of m_K6.
5554 (x86_movx, x86_cmove): Set up m_GEODE.
5555 (x86_integer_DFmode_moves): Clear m_GEODE.
5556 (processor_target_table): Add entry for geode.
5557 (processor_alias_table): Ditto.
5559 * config/i386/geode.md: New file.
5561 * doc/invoke.texi: Add entry about geode processor.
5563 2006-10-27 Mike Stump <mrs@apple.com>
5565 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5566 __DYNAMIC__ from here back to ...
5567 * config/darwin.h (CPP_SPEC): ... here.
5569 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5570 Nathan Sidwell <nathan@codesourcery.com>
5572 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5573 when choosing the minimum heapsize.
5575 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5577 * gcc/unwind-dw2.h: Move cfa-related variables into
5578 struct frame_state_reg_info to ensure that the CFA is properly
5579 handled when executing DW_CFA_{remember,restore}_state.
5580 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5581 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5582 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5583 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5584 gcc/config/rs6000/linux-unwind.h,
5585 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5586 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5587 Modify to use new cfa_* fields.
5589 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5591 * config/s390/s390.c (s390_init_frame_layout): Check positive
5594 2006-10-26 Ben Elliston <bje@au.ibm.com>
5596 * gimplify.c (get_name): Remove extraneous break.
5597 (gimplify_omp_for): Initialise ret with GS_OK.
5599 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5601 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5602 Add unix98.o to link line.
5604 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5607 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5608 Calculate compile-time constants using MPFR.
5609 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5610 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5612 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5614 * config/xtensa/lib2funcs.S: Use C-style comments.
5616 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5618 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5619 (file_table_relative_p): Likewise.
5620 (dwarf2out_finish): Likewise.
5621 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5623 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5625 * tree-ssa-structalias.c (intra_create_variable_infos):
5626 Don't recreate nonlocal_all if it already exists.
5628 2006-10-25 Richard Guenther <rguenther@suse.de>
5631 * optabs.h (enum optab_index): Remove OTI_lrint.
5632 (enum convert_optab_index): Add COI_lrint.
5633 (lrint_optab): Adjust.
5634 (expand_sfix_optab): Declare.
5635 * optabs.c (expand_sfix_optab): New function.
5636 (init_optabs): Init lrint_optab as conversion optab.
5637 * genopinit.c (lrint_optab): Change to a conversion optab.
5638 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5639 expansion via conversion optab.
5640 * config/i386/i386.md (*fistdi2_1): Remove
5641 flag_unsafe_math_optimizations guard.
5642 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5643 fist<mode>2_with_temp): Likewise.
5644 (lrint<mode>2): Split into...
5645 (lrintxf<mode>2): ... x87 part
5646 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5647 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5648 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5649 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5650 * doc/md.texi (lrintMN2): Document.
5652 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5655 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5656 Use inc and dec instructions for TARGET_USE_INCDEC.
5657 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5658 ("sync_double_compare_and_swap<mode>"): Likewise.
5659 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5660 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5661 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5662 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5663 ("sync_old_add<mode>"): Likewise.
5664 ("sync_lock_test_and_set<mode>"): Likewise.
5665 ("sync_lock_test_and_set<mode>"): Likewise.
5666 ("sync_add<mode>"): Likewise.
5667 ("sync_sub<mode>"): Likewise.
5668 ("sync_ior<mode>"): Likewise.
5669 ("sync_and<mode>"): Likewise.
5670 ("sync_xor<mode>"): Likewise.
5672 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5674 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5675 (remainder_optab): Define corresponding macro.
5676 (drem_optab): Remove.
5677 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5678 drem_optab initialization.
5679 * genopinit.c (optabs): Implement remainder_optab using
5680 remainder?f3 patterns. Remove drem_optab.
5681 * builtins.c (expand_builtin_mathfn_2): Handle
5682 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5683 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5684 expand_builtin_mathfn_2.
5686 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5687 depend on flag_unsafe_math_optimizations.
5689 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5690 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5691 Do not depend on flag_unsafe_math_optimizations. Use
5692 truncxf?f expander instead of truncxf?f_i387_noop.
5694 ("fpremxf4", "fprem1xf4"): Do not depend on
5695 flag_unsafe_math_optimizations.
5696 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5697 flag_unsafe_math_optimizations. Use truncxf?f expander
5698 instead of truncxf?f_i387_noop.
5700 * doc/md.texi (fmod, remainder): Document standard named pattern.
5702 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5703 David Daney <ddaney@avtrex.com>
5706 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5708 2006-10-25 Ben Elliston <bje@au.ibm.com>
5710 * doc/extend.texi (Variable Attributes): Typo fix.
5712 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5714 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5715 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5716 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5717 (FRAME_POINTER_REGNUM): Update register number to 21.
5718 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5719 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5721 * config/i386/i386.c (regclass_map): Add fpcr entry.
5722 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5724 (print_reg): Assert REGNO (x) != FPCR_REG.
5726 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5727 (DIRFLAG_REG): Renumber.
5728 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5729 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5730 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5731 hardcoded SSE register numbers.
5733 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5734 hardcoded MMX register numbers.
5736 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5739 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5740 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5742 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5743 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5744 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5745 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5747 2006-10-24 Richard Guenther <rguenther@suse.de>
5750 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5751 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5752 for deciding optimizations in consistency with fold-const.c
5753 (fold_builtin_unordered_cmp): Likewise.
5755 2006-10-24 Richard Guenther <rguenther@suse.de>
5757 * builtins.c (fold_builtin_floor): Fold floor (x) where
5758 x is nonnegative to trunc (x).
5759 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5760 nonnegative to FIX_TRUNC_EXPR.
5762 2006-10-24 Richard Guenther <rguenther@suse.de>
5764 PR tree-optimization/29567
5765 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5766 for TRUTH_NOT_EXPR. Clarify comments.
5768 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5771 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5772 at compile-time using MPFR. Change parameter VALUE to FUNC,
5774 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5775 for overflow and underflow at all times and avoid folding in
5778 2006-10-24 Ben Elliston <bje@au.ibm.com>
5780 * reload1.c: Formatting fixes.
5782 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5784 PR tree-optimization/14784
5785 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5786 * tree-ssa-structalias.c (get_constraint_for,
5787 intra_create_variable_infos): Set is_heapvar.
5788 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5789 non-heapvar pointer variables specially.
5791 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5794 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5795 fold_builtin_tan): Fold all constant arguments. Take a "type"
5796 argument as necessary.
5797 (do_mpfr_arg1): New.
5798 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5800 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5802 * config/xtensa/lib1funcs.asm: Use C-style comments.
5804 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5806 * tree.c (local_define_builtin): Replace calls to
5807 lang_hooks.builtin_function with add_builtin_function.
5808 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5810 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5812 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5813 common code to add_builtin_function.
5814 * langhooks.c (add_builtin_function): New function.
5815 (lhd_builtin_function): New function.
5816 * langhooks.h (struct lang_hooks): Change the signature of
5818 (add_builtin_function): New function.
5819 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5820 calls to lang_hooks.builtin_function with add_builtin_function.
5821 * c-common.c (decl_builtin_1): Replace calls to
5822 lang_hooks.builtin_function with add_builtin_function.
5823 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5824 lang_hooks.builtin_function with add_builtin_function.
5825 * config/frv/frv.c (def_builtin): Replace calls to
5826 lang_hooks.builtin_function with add_builtin_function.
5827 * config/s390/s390.c (s390_init_builtins): Replace calls to
5828 lang_hooks.builtin_function with add_builtin_function.
5829 * config/sparc/sparc.c (def_builtin): Replace calls to
5830 lang_hooks.builtin_function with add_builtin_function.
5831 * config/i386/i386.c (def_builtin): Replace calls to
5832 lang_hooks.builtin_function with add_builtin_function.
5833 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5834 lang_hooks.builtin_function with add_builtin_function.
5835 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5836 lang_hooks.builtin_function with add_builtin_function.
5837 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5838 Replace calls to lang_hooks.builtin_function with
5839 add_builtin_function.
5840 * config/iq2000/iq2000.c (def_builtin):
5841 Replace calls to lang_hooks.builtin_function with
5842 add_builtin_function.
5843 * config/ia64/ia64.c (def_builtin): Replace calls to
5844 lang_hooks.builtin_function with add_builtin_function.
5845 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5846 lang_hooks.builtin_function with add_builtin_function.
5847 (altivec_init_builtins): Replace calls to
5848 lang_hooks.builtin_function with add_builtin_function.
5849 * config/arm/arm.c (def_mbuiltin): Replace calls to
5850 lang_hooks.builtin_function with add_builtin_function.
5851 (arm_init_tls_builtins): Replace calls to
5852 lang_hooks.builtin_function with add_builtin_function.
5853 * config/mips/mips.c (mips_init_builtins): Replace calls to
5854 lang_hooks.builtin_function with add_builtin_function.
5855 * config/bfin/bfin.c (def_builtin): Replace calls to
5856 lang_hooks.builtin_function with add_builtin_function.
5857 * langhooks-def.h (lhd_builtin_function): New function.
5858 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5860 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5862 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5863 BUILT_IN_STRNCAT_CHK.
5865 2006-10-23 Jan Hubicka <jh@suse.cz>
5867 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5868 don't do conversion from memmove to memcpy here.
5869 (expand_builtin_bcopy, expand_builtin): Update call of
5870 expand_builtin_memmove.
5871 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5873 2006-10-23 Paul Brook <paul@codesourcery.com>
5875 * stor-layout.c (start_record_layout): maximum_field_alignment
5876 overrides STRUCTURE_SIZE_BOUNDARY.
5878 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5880 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5881 nonlocal function symbols if flag_pic.
5883 2006-10-23 Richard Guenther <rguenther@suse.de>
5887 * builtins.c (fold_binary): Remove checks for flag_wrapv
5888 and flag_trapv where negate_expr_p covers these cases.
5890 2006-10-23 Richard Guenther <rguenther@suse.de>
5893 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5894 of two on the absolute value.
5895 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5896 and negating -C does not overflow.
5898 2006-10-23 Richard Guenther <rguenther@suse.de>
5901 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5902 only if not flag_rounding_math.
5904 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5905 Kaz Kojima <kkojima@gcc.gnu.org>
5908 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5909 SImode memory reference for the source of a movua.
5910 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5911 (movua): Use an unspec instead of sign_extract. Expect the source
5912 to have mode BLKmode.
5913 (extv, insv): Use a BLKmode rather than SImode memory reference
5914 for the source of a movua.
5916 2006-10-22 Jeff Law <law@redhat.com>
5917 Richard Guenther <rguenther@suse.de>
5919 PR tree-optimization/15911
5920 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5921 (register_edge_assert_for_1): Likewise.
5922 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5923 (find_conditional_asserts): Adjust for new function signature.
5924 (find_assert_locations): Likewise.
5926 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5928 * config/i386/tmmintrin.h: Remove the duplicated content.
5930 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5932 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5933 (x86_64-*-*): Likewise.
5935 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5936 (override_options): Check SSSE3.
5937 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5938 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5939 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5940 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5941 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5942 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5943 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5944 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5945 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5946 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5947 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5948 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5949 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5950 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5951 IX86_BUILTIN_PABSD128.
5952 (bdesc_2arg): Add SSSE3.
5953 (bdesc_1arg): Likewise.
5954 (ix86_init_mmx_sse_builtins): Support SSSE3.
5955 (ix86_expand_builtin): Likewise.
5956 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5958 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5959 (UNSPEC_PSIGN): Likewise.
5960 (UNSPEC_PALIGNR): Likewise.
5961 Include mmx.md before sse.md.
5963 * config/i386/i386.opt: Add -mssse3.
5965 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5966 (ssse3_phaddwv4hi3): Likewise.
5967 (ssse3_phadddv4si3): Likewise.
5968 (ssse3_phadddv2si3): Likewise.
5969 (ssse3_phaddswv8hi3): Likewise.
5970 (ssse3_phaddswv4hi3): Likewise.
5971 (ssse3_phsubwv8hi3): Likewise.
5972 (ssse3_phsubwv4hi3): Likewise.
5973 (ssse3_phsubdv4si3): Likewise.
5974 (ssse3_phsubdv2si3): Likewise.
5975 (ssse3_phsubswv8hi3): Likewise.
5976 (ssse3_phsubswv4hi3): Likewise.
5977 (ssse3_pmaddubswv8hi3): Likewise.
5978 (ssse3_pmaddubswv4hi3): Likewise.
5979 (ssse3_pmulhrswv8hi3): Likewise.
5980 (ssse3_pmulhrswv4hi3): Likewise.
5981 (ssse3_pshufbv16qi3): Likewise.
5982 (ssse3_pshufbv8qi3): Likewise.
5983 (ssse3_psign<mode>3): Likewise.
5984 (ssse3_psign<mode>3): Likewise.
5985 (ssse3_palignrti): Likewise.
5986 (ssse3_palignrdi): Likewise.
5987 (abs<mode>2): Likewise.
5988 (abs<mode>2): Likewise.
5990 * config/i386/tmmintrin.h: New file.
5992 * doc/extend.texi: Document SSSE3 built-in functions.
5994 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5996 2006-10-22 Ira Rosen <irar@il.ibm.com>
5998 * tree-vect-transform.c (vectorizable_load): Use the type of the
5999 return value of the mask_for_load builtin to create realign_load
6002 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6004 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6007 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6009 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6010 (UNSPEC_LDDQU): This.
6011 * config/i386/sse.md (sse3_lddqu): Updated.
6013 2006-10-21 Richard Guenther <rguenther@suse.de>
6015 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6016 (expand_builtin): Use it to expand lrint instead of
6017 expand_builtin_mathfn.
6019 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6022 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6023 flag_unsafe_math_optimizations is set.
6025 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6028 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6029 patterns to use memory input operand in x87->mem->XMM
6030 reload sequences. Skip transformation for TARGET_K8.
6032 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6034 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6035 force operand1 to register if both operands are memory operands.
6036 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6037 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6038 if both operands are memory operands.
6039 (truncdfsf2): Do not force operand1 to register if both operands
6040 are memory operands.
6042 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6044 * Makefile.in (LIBS): Add $(GMPLIBS).
6045 * doc/install.texi: Update GMP and MPFR requirements.
6046 * doc/sourcebuild.texi (need_gmp): Delete.
6048 2006-10-21 Richard Guenther <rguenther@suse.de>
6050 PR tree-optimization/3511
6051 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6052 got new invariant arguments during PHI translation.
6054 2006-10-21 Richard Guenther <rguenther@suse.de>
6057 * fold-const.c (fold_comparison): Fold signed comparisons
6058 of the form X +- C1 CMP Y +- C2.
6060 2006-10-21 Richard Guenther <rguenther@suse.de>
6063 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6064 if flag_unsafe_math_optimizations is specified. We have
6065 flag_finite_math_only for that.
6066 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6067 or flag_unsafe_math_optimizations.
6069 2006-10-21 Richard Guenther <rguenther@suse.de>
6071 * builtins.c (fold_builtin_classify): Fix typo.
6073 2006-10-21 Richard Guenther <rguenther@suse.de>
6076 * simplify-rtx.c (simplify_const_relational_operation):
6077 Do not constant-fold ORDERED and UNORDERED for
6078 flag_unsafe_math_optimizations but only we do not need to
6079 honor NaNs for the given mode.
6081 2006-10-21 Richard Guenther <rguenther@suse.de>
6084 * config/i386/i386.c (classify_argument): Remove redundant
6085 walking of the BINFOs.
6086 (contains_128bit_aligned_vector_p): Likewise.
6088 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6090 * BASE-VER: Set to 4.3.0.
6092 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6094 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6095 (tree_decl_with_vis): Remove artificial_pta_var flag.
6096 * tree-flow.h (referenced_var_check_and_insert): Expose.
6097 (nonlocal_all): New prototype.
6098 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6099 (nonlocal_all): Make global.
6100 (nonlocal_lookup): Remove.
6101 (nonlocal_insert): Ditto.
6102 (create_nonlocal_var): Do not call nonlocal_insert.
6103 (get_nonlocal_id_for_type): Remove.
6104 (find_global_initializers): Mark new vars we find for renaming.
6105 (intra_create_variable_infos): Only create one nonlocal.
6106 (expand_nonlocal_solutions): Remove.
6107 (compute_points_to_sets): Don't call it.
6108 (ipa_pta_execute): Ditto.
6109 (init_alias_heapvars): Don't create nonlocal_for_type.
6110 (delete_alias_heapvars): Don't remove it.
6111 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6114 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6116 * doc/install.texi (Downloading GCC): Clarify mention of
6117 Fortran in the "full distribution" description.
6119 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6121 Fix PR tree-optimization/28778
6122 Fix PR tree-optimization/29156
6123 Fix PR tree-optimization/29415
6124 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6125 (tree_decl_with_vis): Add artificial_pta_var flag.
6126 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6127 pushed into callers.
6128 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6129 (nonlocal_all): Ditto.
6130 (struct variable_info): Add directly_dereferenced member.
6131 (var_escaped_vars): New variable.
6132 (escaped_vars_tree): Ditto.
6133 (escaped_vars_id): Ditto.
6134 (nonlocal_vars_id): Ditto.
6135 (new_var_info): Set directly_dereferenced.
6136 (graph_size): New variable
6137 (build_constraint_graph): Use graph_size.
6138 (solve_graph): Don't process constraints that cannot change the
6139 solution, don't try to propagate an empty solution to our
6141 (process_constraint): Set directly_dereferenced.
6142 (could_have_pointers): New function.
6143 (get_constraint_for_component_ref): Don't process STRING_CST.
6144 (nonlocal_lookup): New function.
6145 (nonlocal_insert): Ditto.
6146 (create_nonlocal_var): Ditto.
6147 (get_nonlocal_id_for_type): Ditto.
6148 (get_constraint_for): Allow results vector to be empty in the case
6149 of string constants.
6150 Handle results of calls properly.
6151 (update_alias_info): Update alias info stats on number and type of
6153 (find_func_aliases): Use could_have_pointers.
6154 (make_constraint_from_escaped): Renamed from
6155 make_constraint_to_anything, and changed to make constraints from
6157 (make_constraint_to_escaped): New function.
6158 (find_global_initializers): Ditto.
6159 (create_variable_info_for): Make constraint from escaped to any
6160 global variable, and from any global variable to the set of
6162 (intra_create_variable_infos): Deal with escaped instead of
6163 pointing to anything.
6164 (set_uids_in_ptset): Do type pruning on directly dereferenced
6166 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6167 (init_base_vars): Fix comment, and initialize escaped_vars.
6168 (need_to_solve): Removed.
6169 (find_escape_constraints): New function.
6170 (expand_nonlocal_solutions): Ditto.
6171 (compute_points_to_sets): Call find_escape_constraints and
6172 expand_nonlocal_solutions.
6173 (delete_points_to_sets): Don't fall off the end of the graph.
6174 (init_alias_heapvars): Initialize nonlocal_for_type and
6176 (delete_alias_heapvars): Free nonlocal_for_type and null out
6179 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6181 * fold-const.c (add_double): Rename to add_double_with_sign.
6182 Add 'unsigned_p' parameter and take it into account for the overflow.
6183 (mul_double): Rename to mul_double_with_sign.
6184 Add 'unsigned_p' parameter and take it into account for the overflow.
6185 (fold_div_compare): Call add_double_with_sign instead of add_double
6186 and mul_double_with_sign instead of mul_double, passing them the
6187 unsignedness of the type.
6188 * tree.h (add_double): Macroize.
6189 (add_double_with_sign): New prototype.
6190 (mul_double): Macroize.
6191 (mul_double_with_sign): New prototype.
6193 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6195 * config/score/crti.asm: New file.
6196 * config/score/crtn.asm: New file.
6197 * config/score/elf.h: New file.
6198 * config/score/mac.md: New file.
6199 * config/score/misc.md: New file.
6200 * config/score/mul-div.S: New file.
6201 * config/score/predicates.md: New file.
6202 * config/score/score7.md: New file.
6203 * config/score/score.c: New file.
6204 * config/score/score-conv.h: New file.
6205 * config/score/score.h: New file.
6206 * config/score/score.md: New file.
6207 * config/score/score-mdaux.c: New file.
6208 * config/score/score-mdaux.h: New file.
6209 * config/score/score-modes.def: New file.
6210 * config/score/score.opt: New file.
6211 * config/score/score-protos.h: New file.
6212 * config/score/score-version.h: New file.
6213 * config/score/t-score-elf: New file.
6214 * config.gcc: Add score*-*-* configurations(Update before).
6215 * doc/invoke.texi (Score Options): New section.
6216 * doc/md.texi (Score family): New section to document constraints.
6218 2006-10-19 Nick Clifton <nickc@redhat.com>
6220 * config/arm/arm.c: Fix spelling typo.
6222 2006-10-18 Tom Tromey <tromey@redhat.com>
6224 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6226 2006-10-18 Jan Hubicka <jh@suse.cz>
6229 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6232 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6234 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6235 TSI_SAME_STMT, since that's the desired entity.
6237 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6239 * config/s390/contraints.md: New file.
6240 * config/s390/s390-protos.h (s390_mem_constraint,
6241 s390_O_constraint_str, s390_N_constraint_str,
6242 s390_float_const_zero_p): Function prototypes added.
6243 * config/s390/s390.c (s390_extra_constraint_str,
6244 s390_const_double_ok_for_constraint_p,
6245 s390_const_ok_for_constraint_p): Functions removed.
6246 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6247 s390_float_const_zero_p): New functions.
6248 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6249 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6250 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6251 Macro definitions removed.
6252 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6253 s390_extra_constraint_str): Functions removed.
6255 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6256 Richard Sandiford <richard@codesourcery.com>
6259 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6260 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6262 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6264 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6265 (DWARF2_FRAME_REG_OUT): Likewise.
6266 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6267 (DWARF2_FRAME_REG_OUT): Likewise.
6269 2006-10-17 Paul Brook <paul@codesourcery.com>
6271 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6273 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6275 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6276 Standardize on "GNU Fortran" as the official name of the Fortran
6279 2006-10-16 Mike Stump <mrs@apple.com>
6281 * doc/invoke.texi (Darwin Options): Document -mkernel.
6282 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6284 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6285 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6286 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6287 (OS_MISSING_ALTIVEC): Add.
6288 * config/i386/i386.c (override_options): Add
6289 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6290 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6291 -mkernel, -static or -mdynamic-no-pic is given.
6292 (C_COMMON_OVERRIDE_OPTIONS): Add.
6293 * config/darwin.opt (fapple-kext): Add.
6295 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6296 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6298 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6299 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6300 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6301 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6302 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6303 (flag_mkernel): Add.
6304 (flag_apple_kext): Add.
6305 (TARGET_KEXTABI): Add.
6306 * config/darwin.c (darwin_handle_kext_attribute): Add.
6307 (DARWIN_VTABLE_P): Add.
6308 (darwin_binds_local_p): Add partial support for rebinding vtables
6310 (darwin_kextabi_p): Add.
6311 (darwin_override_options): Add.
6312 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6313 (darwin_kextabi_p): Add.
6314 (darwin_override_options): Add.
6315 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6316 __DYNAMIC__ and __STATIC__ here.
6318 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6320 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6321 Added mention of "make pdf" target, and Texinfo requirements for
6324 2006-10-16 DJ Delorie <dj@redhat.com>
6326 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6327 into the GOT in case we need a subreg of the address.
6329 2006-10-16 Richard Guenther <rguenther@suse.de>
6332 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6333 SSE builtin documentation. Document SSE2 builtins.
6335 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6337 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6338 symbol in the output file for non-shared links when -nostdlib or
6339 -nodefaultlibs isn't specified.
6341 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6342 posix thread support.
6344 2006-10-15 Jan Hubicka <jh@suse.cz>
6347 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6348 declared always_inline even when not inlining.
6350 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6351 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6352 Andrew Pinski <pinskia@gmail.com>
6355 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6357 2006-10-15 Jan Hubicka <jh@suse.cz>
6358 Richard Guenther <rguenther@suse.de>
6361 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6362 process_function_and_variable_attributes on all variables, including
6363 those discovered during cgraph construction phase.
6365 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6367 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6369 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6371 * config/i386/athlon.md (athlon_fist): Add fisttp.
6373 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6374 Ian Lance Taylor <ian@airs.com>
6377 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6378 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6381 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6383 * config/score/score.c, config/score/score.h: Fix comment
6386 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6389 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6392 2006-10-13 Eric Christopher <echristo@apple.com>
6394 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6396 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6399 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6400 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6401 alignment supported by 32-bit ELF.
6403 2006-10-13 Eric Christopher <echristo@apple.com>
6405 * config/darwin.c (darwin_emit_unwind_label): Strip
6406 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6408 2006-10-13 Richard Guenther <rguenther@suse.de>
6410 PR tree-optimization/29446
6411 * tree-vrp.c (fix_equivalence_set): Remove.
6412 (extract_range_from_assert): Do not call fix_equivalence_set.
6413 (debug_value_range): Print a newline.
6414 (compare_name_with_value): For equivalence sets with
6415 inconsistent value ranges conservatively bail out.
6416 (compare_names): Likewise.
6418 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6420 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6421 and MPFR for gfortran.
6423 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6425 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6426 alignment supported by 32-bit ELF.
6428 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6432 * c-typeck.c (digest_init): Always allow initializing vectors
6433 that have static storage duration with compound literals.
6434 * tree.c (build_type_attribute_qual_variant): New, based on
6435 build_type_attribute_variant.
6436 (build_type_attribute_variant): Rewrite using the former.
6437 (make_vector_type): Use build_type_attribute_qual_variant to build
6438 type variants. Use type_hash_canon on the others.
6440 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6441 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6443 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6445 2006-10-12 Jan Hubicka <jh@suse.cz>
6448 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6449 current_function_decl is set but current_function_scope is not.
6451 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6453 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6454 emit_insn to emit eh_return_internal instruction.
6455 (eh_return_internal): Explicitly set pc.
6457 2006-10-11 Richard Guenther <rguenther@suse.de>
6459 PR tree-optimization/28230
6460 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6461 to the correct place.
6463 2006-10-11 Richard Guenther <rguenther@suse.de>
6466 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6469 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6471 * configure.ac: Added pdf to "Make-hooks"
6472 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6473 targets and *.pdf file patterns in cleanup targets.
6474 * configure: Regenerated.
6476 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6478 * config/avr/predicates.md: New file.
6479 * config/avr/avr.md: Include it.
6480 (REG_SP): New constant.
6481 (peepholes): Use predicates.
6482 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6483 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6484 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6486 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6488 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6491 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6494 * builtins.c (var_decl_component_p): New function.
6495 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6496 single entry optimization to variables and components thereof.
6498 2006-10-10 Richard Guenther <rguenther@suse.de>
6500 PR rtl-optimization/29323
6501 * except.c (set_nothrow_function_flags): For functions
6502 that do not bind local bail out early.
6504 2006-10-10 Ben Elliston <bje@au.ibm.com>
6506 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6509 2006-10-09 Richard Henderson <rth@redhat.com>
6511 Revert emutls patch.
6513 2006-10-09 Richard Guenther <rguenther@suse.de>
6516 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6519 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6522 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6523 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6524 * configure: Regenerate.
6525 * config.in: Regenerate.
6527 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6529 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6531 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6533 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6534 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6535 Remove stray newline.
6537 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6539 * config/mips/mips.c (mips_classify_symbol): Do not return
6540 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6541 (mips_in_small_data_p): Tweak comments.
6543 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6545 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6547 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6549 * gimplify.c, sched-int.h: Fix comment typos.
6551 * sched-int.h: Fix comment typos.
6553 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6555 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6557 * sched-ebb.c (begin_schedule_ready): Use them.
6558 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6559 add_to_speculative_block, create_check_block_twin, speculate_insn,
6560 fix_jump_move, move_block_after_check): Ditto.
6561 * sched-rgn.c (new_ready): Ditto.
6563 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6565 PR rtl-optimization/29128
6566 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6567 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6568 allow interblock movement of speculation checks.
6570 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6573 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6574 casted to integer type.
6575 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6576 if they are significantly more expensive than [reg + index] ones.
6578 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6580 PR tree-optimization/29330
6581 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6582 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6583 on newly allocated ddrs.
6584 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6585 to VEC (loop_p, heap) pointer.
6586 (compute_data_dependences_for_loop): Adjust caller.
6587 (free_dependence_relations): Free DDR_LOOP_NEST.
6589 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6590 free DEPENDENCE_RELATIONS and DATAREFS.
6593 * builtins.c (expand_builtin_sync_operation,
6594 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6595 Use convert_to_mode to handle promoted arguments.
6597 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6599 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6601 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6603 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6605 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6607 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6608 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6609 Use <modeconstraint> instead of "r" as operand 1 constraint.
6611 2006-10-06 Olivier Hainque <hainque@adacore.com>
6613 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6614 Don't recurse on the pointed-to type.
6615 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6616 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6617 types with components of variable size.
6619 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6621 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6623 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6625 PR tree-optimization/29290
6626 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6630 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6631 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6634 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6635 the number of vector elements fill the rest with zeros.
6637 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6639 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6640 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6643 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6645 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6646 unnamed pattern into subsi3. Use correct constraints/predicates.
6647 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6648 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6650 2006-10-05 Ira Rosen <irar@il.ibm.com>
6652 * doc/loop.texi: Add data references analysis description.
6654 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6656 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6658 2006-10-04 Richard Henderson <rth@redhat.com>
6659 Jakub Jelinek <jakub@redhat.com>
6661 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6662 * builtin-types.def (BT_WORD): Make unsigned.
6663 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6664 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6665 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6666 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6667 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6668 * cgraph.c (decide_is_variable_needed): Look at force_output.
6669 Recurse for emulated tls.
6670 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6671 checks redundant with decide_is_variable_needed.
6672 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6673 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6675 * expr.c (emutls_var_address): New.
6676 (expand_expr_real_1): Expand emulated tls.
6677 (expand_expr_addr_expr_1): Likewise.
6678 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6679 * output.h (emutls_finish): Declare.
6680 * toplev.c (compile_file): Call it.
6681 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6682 address before wrapping in CONST.
6683 * varasm.c (emutls_htab, emutls_object_type): New.
6684 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6685 (get_emutls_object_name, get_emutls_object_type): New.
6686 (get_emutls_init_templ_addr, emutls_decl): New.
6687 (emutls_common_1, emutls_finish): New.
6688 (assemble_variable): When emulating tls, swap decls; generate
6689 constructor for the emutls objects.
6690 (do_assemble_alias): When emulating tls, swap decl and target name.
6691 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6693 * emutls.c: New file.
6694 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6695 tls_object for real tls.
6697 2006-10-04 Zack Weinberg <zackw@panix.com>
6699 Fix bug in constraint-check generator, reported by Rask Ingemann
6701 * genpreds.c (add_constraint): Don't remove anything from the
6703 (write_tm_constrs_h): Detect whether "op" argument is used, and
6704 mark it ARG_UNUSED if it isn't.
6705 (write_insn_const_int_ok_for_constraint): Skip the part of the
6706 expression that would test whether "op" (which is not available
6707 here) is a CONST_INT.
6709 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6712 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6714 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6716 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6717 current Leopard versions.
6718 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6720 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6722 * doc/install.texi: Fix typos.
6724 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6726 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6727 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6728 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6730 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6732 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6733 arg to be struct mach_header_64* instead.
6735 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6738 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6739 side effects after the outer expression's post side effects.
6741 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6743 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6744 comments to reflect actual behavior and relationship between
6745 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6747 * doc/c-tree.texi (Working with declarations): Fix documentation
6748 of FIELD_DECL likewise.
6750 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6753 * doc/extend.texi: Add used variable attribute description.
6755 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6758 * c.opt (Woverride-init): New.
6759 * c-opts.c (c_common_post_options): Default warn_override_init to
6761 * c-typeck.c (add_pending_init, output_init_element): Warn for
6762 overriding initializers without side effects.
6763 * doc/invoke.texi (-Woverride-init): Document.
6766 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6768 PR rtl-optimization/28096
6769 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6770 assignment has already been used as a destination earlier in the block.
6772 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6774 * builtins.c (expand_builtin_setjmp): Delete.
6775 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6776 <BUILT_IN_SETJMP_SETUP>: New case.
6777 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6778 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6779 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6780 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6781 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6782 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6783 (lower_function_body): Initialize it to false. If it is set to true
6784 at the end of the processing, emit the setjmp dispatcher.
6785 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6786 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6787 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6788 on the rhs of the assignment.
6789 (lower_builtin_setjmp): New function.
6790 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6791 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6792 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6793 to detect calls that can go to non-local labels. Use specific
6794 helper to create the abnormal edges associated with them.
6795 <MODIFY_EXPR>: Likewise.
6796 (make_abnormal_goto_edges): New function extracted from...
6797 (make_goto_expr_edges): ...here. Call it for computed gotos.
6798 (simple_goto_p): Minor tweak.
6799 (tree_can_make_abnormal_goto): New predicate.
6800 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6801 (tree_purge_dead_abnormal_call_edges): New function.
6802 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6803 (tree_purge_dead_abnormal_call_edges): Likewise.
6804 (make_abnormal_goto_edges): Likewise.
6805 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6806 Purge all dead abnormal edges if the call was in the last statement.
6807 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6808 (execute_fixup_cfg): If there are non-local labels in the function,
6809 scan the basic blocks and split them at calls that can go to non-local
6810 labels or add missing abnormal call edges. Write down the CFG in the
6812 (pass_fixup_cfg): Remove TODO_dump_func flag.
6813 * unwind-sjlj.c: Poison setjmp.
6814 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6815 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6816 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6817 (DONT_USE_BUILTIN_SETJMP): Document it.
6819 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6822 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6823 to 1 when __ppc64__ is defined.
6824 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6826 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6828 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6830 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6831 * config/ia64/unwind-hpux.c: Delete.
6833 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6835 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6836 on the element before gimplifying it, instead of punting if it is of
6839 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6841 * doc/loop.texi: New file.
6842 * doc/gccint.texi: Reference loop.texi.
6843 * Makefile.in (loop.texi): Add.
6845 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6847 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6849 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6850 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6852 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6854 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6856 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6858 * doc/install.texi: Document required versions of GMP and MPFR.
6860 2006-09-27 Paul Brook <paul@codesourcery.com>
6863 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6865 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6867 * reload1.c (alter_reg): Require the alignment of the stack slot to
6868 be at least reg_max_ref_width bytes.
6869 (scan_paradoxical_subregs): Record the largest width in
6872 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6876 * tree-nested.c (struct nesting_info): Added static_chain_added.
6877 (convert_call_expr): Set static_chain_added when adding static
6878 chain. Handle OMP_PARALLEL and OMP_SECTION.
6880 2006-09-25 Matthias Klose <doko@debian.org>
6882 * doc/invoke.texi: Add missing full stop.
6884 2006-09-25 Richard Henderson <rth@redhat.com>
6886 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6887 before cgraph_function_flags_ready.
6889 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6890 Adam Nemet <anemet@caviumnetworks.com>
6892 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6893 determine_common_wider_type): New functions.
6894 (get_computation_aff): Use them to simplify arithmetic between
6895 UBASE and CBASE if they are shortened from the same type.
6897 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6900 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6901 -2147483647 - 1 instead of 0x80000000.
6903 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6905 * flags.h (HONOR_NANS): Fix typo in comment.
6907 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6909 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6911 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6915 * tree.c (merge_attributes, attribute_list_contained): If both
6916 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6918 * c-typeck.c (comptypes_internal): Don't consider aggregates
6919 in different TUs as compatible if there one set of attributes is
6920 not a subset of the other type's attributes.
6921 (composite_type): Try harder not to create a new aggregate type.
6923 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6925 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6926 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6927 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6928 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6929 than replicating condition above.
6930 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6932 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6933 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6934 the linker by default.
6936 2006-09-22 Mike Stump <mrs@apple.com>
6938 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6941 2006-09-22 Richard Guenther <rguenther@suse.de>
6944 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6945 sort of stack variables stable.
6947 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6950 * explow.c (force_reg): Set REG_POINTER flag according to
6953 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6955 PR tree-optimization/28888
6956 * tree-if-conv.c (combine_blocks): Rewritten.
6957 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6958 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6960 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6962 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6965 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6967 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6969 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6971 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6973 2006-09-21 Roger Sayle <roger@eyesopen.com>
6976 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6977 dw_fde_current_label, to be the start of the function, i.e. the same
6978 value as dw_fde_begin.
6980 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6982 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6983 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6984 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6985 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6986 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6987 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6988 (abs<mode>2, neg<mode>2): Likewise.
6989 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6990 (*mips_abs_ps): New define_insn.
6992 2006-09-20 Josh Conner <jconner@apple.com>
6995 * calls.c (expand_call): Allow reuse of structure return stack
6998 2006-09-20 Paul Brook <paul@codesourcery.com>
7000 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7003 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7005 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7006 clean up terminology.
7008 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7011 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7012 with tablejumps in them.
7014 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7017 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7018 wrap it into TARGET_EXPR.
7020 2006-09-20 Eric Christopher <echristo@apple.com>
7022 * config/i386/i386.c (x86_fisttp): Remove.
7023 * config/i386/i386.h (x86_fisttp): Ditto.
7024 (TARGET_FISTTP): Ditto.
7026 2006-09-19 Eric Christopher <echristo@apple.com>
7028 * doc/tm.texi (OBJC_JBLEN): Describe.
7029 * config/i386/darwin.h (OBJC_JBLEN): Define.
7030 * config/rs6000/darwin.h: Ditto.
7032 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7034 PR rtl-optimization/21299
7035 * reload1.c (reload): Purge invalid ASMs in the final pass.
7037 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7040 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7041 pointers as legitimate constants.
7043 2006-09-19 Paul Brook <paul@codesourcery.com>
7046 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7048 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7050 PR tree-optimization/28887
7051 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7052 component parts from the reference.
7053 (gather_memory_references_ref): Record the reference without the
7054 nonaddressable component parts.
7056 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7059 * c-opts.c (c_common_handle_option): Ignore the -std options
7060 if the input language is assembly.
7062 2006-09-17 Ira Rosen <irar@il.ibm.com>
7065 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7067 (ptr_ptr_may_alias_p): Likewise.
7068 (record_record_differ_p): New function.
7069 (base_object_differ_p): Call record_record_differ_p.
7071 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7074 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7075 away for the expr argument.
7077 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7080 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7081 before using it for dumping after vectorizing loops.
7083 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7084 Jack Howarth <howarth@bromo.med.uc.edu>
7087 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7088 skip on error_mark_node.
7089 (rs6000_darwin64_record_arg_recurse): Likewise.
7091 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7093 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7094 * doc/rtl.texi: Remove related documentation.
7096 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7098 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7101 2006-09-15 Jim Wilson <wilson@specifix.com>
7103 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7104 Handle symbol offsets same as they are handled in ia64_expand_move
7107 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7109 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7110 Add forgotten parameter to the fprintf call.
7112 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7114 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7116 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7118 * doc/contrib.texi: Add my entry.
7120 2006-09-15 Nick Clifton <nickc@redhat.com>
7122 * doc/md.texi (Processor pipeline description): Fix typo in
7123 example of how to use the absence_set directive and reword the
7124 description to make it slightly easier to read.
7126 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7128 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7129 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7130 expanding the number of iterations.
7131 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7133 * cfgrtl.c (emit_insn_at_entry): New function.
7134 * rtl.h (emit_insn_at_entry): Declare it.
7135 * integrate.c (emit_initial_value_sets): Use it.
7137 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7139 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7141 (struct loop_work and related VEC declarations): Delete.
7142 (bfin_dump_loops): Print out new member bad.
7143 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7144 (bfin_scan_loop): Don't recurse.
7145 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7146 loops. No longer need to update outer loops if the current one is
7147 found bad. Move some validitiy checks to bfin_discover_loop.
7148 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7149 but changed not to check for nesting. Also changed to use the new bad
7151 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7152 time. Use bitmap based test to discover loop nesting.
7154 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7156 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7159 2006-09-14 Richard Guenther <rguenther@suse.de>
7160 Kazu Hirata <kazu@codesourcery.com>
7162 PR middle-end/28884.
7163 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7164 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7165 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7166 with TARGET_FUNCTION_VALUE.
7168 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7171 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7173 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7175 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7178 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7181 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7184 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7186 * basic_block.h (bb_has_eh_pred): Fix comment.
7188 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7190 * flow.c (calculate_global_regs_live): Invalidate eh registers
7191 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7192 (propagate_block): Handle eh registers as if they were set at basic
7194 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7196 * global.c (global_conflicts): Make eh registers to conflict with
7197 pseudos live at basic block begin.
7198 * basic_block.h (bb_has_eh_pred): New function.
7200 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7202 PR rtl-optimization/28982
7203 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7204 index of a PRE_MODIFY or POST_MODIFY address.
7205 * reload1.c (inc_for_reload): Use find_replacement on the original
7206 base and index registers.
7208 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7210 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7211 for -Os. Update __m128 alignment requirement.
7213 2006-09-13 Jan Hubicka <jh@suse.cz>
7215 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7217 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7219 PR rtl-optimization/28243
7220 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7221 the insn to which the note was originally attached.
7223 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7224 Roger Sayle <roger@eyesopen.com>
7226 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7227 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7228 on platforms that don't use dwarf for debug info.
7230 2006-09-12 Jason Merrill <jason@redhat.com>
7233 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7234 hard_frame_pointer_rtx after using it to update the frame pointer.
7236 2006-09-12 Roger Sayle <roger@eyesopen.com>
7238 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7239 (TARGET_ASM_CLOSE_PAREN): Likewise.
7240 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7241 (TARGET_ASM_CLOSE_PAREN): Likewise.
7243 2006-09-12 Roger Sayle <roger@eyesopen.com>
7246 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7247 frame information for frames larger than 512 Kbytes on Tru64 when
7248 using the native assembler.
7250 2006-09-12 Roger Sayle <roger@eyesopen.com>
7254 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7255 and symbols. Instead use the implementation from cse.c's hash_rtx.
7257 2006-09-12 Jan Hubicka <jh@suse.cz>
7259 PR rtl-optimization/28071
7260 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7261 (vect_transform_loop): Likewise.
7262 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7263 (new_loop_vec_info): Likewise.
7264 (destroy_loop_vec_info): Likewise.
7265 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7266 (create_stmt_ann): Likewise.
7267 (create_tree_ann): Rename to ...
7268 (create_tree_common_ann): ... this one; allocate only the common part
7270 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7271 (get_value_handle): Likewise.
7272 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7273 get_tree_common_ann.
7274 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7275 (vinfo_for_stmt): Use stmt annotations.
7276 * tree-flow.h (tree_ann_common_t): New type.
7277 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7278 (tree_ann, get_tree_ann, create_tree_ann): New.
7279 * tree-flow-inline.h (get_function_ann): Do more type checking.
7280 (stmt_ann): Likewise.
7281 (tree_ann): Rename to ...
7282 (tree_common_ann): ... this one; return ony common_ann
7283 (get_tree_ann): Rename to ...
7284 (tree_common_ann): This one; return only common_ann.
7285 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7288 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7290 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7291 with_cpu by default.
7293 * dwarf2out.c (dwarf_file_data): New.
7294 (enum dw_val_class): Add dw_val_class_file.
7295 (struct dw_val_struct): Add val_file.
7296 (file_table): Change to a hash table.
7297 (file_table_emitted): Delete.
7298 (file_table_last_lookup_index): Delete.
7299 (emitcount): Delete.
7300 (last_emitted_file): New.
7301 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7302 (init_file_table): Delete.
7303 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7304 (AT_addr): Add comment.
7308 (print_die): Handle dw_val_class_file.
7309 (print_dwarf_line_table): Update for new file table structure.
7310 (attr_checksum): Do checksum a filename.
7311 (same_dw_val_p, same_attr_p): Do compare a filename.
7312 (size_of_die): Handle dw_val_class_file.
7313 (value_format): Likewise.
7314 (output_die): Likewise. Also, call maybe_emit_file here.
7315 (struct file_info): Constify filenames. Make file_idx a pointer
7316 to a struct dwarf_file_data.
7317 (struct dir_info): Constify directory names. Remove 'used' field.
7318 (struct file_name_acquire_data): New.
7319 (file_name_acquire): New.
7320 (output_file_names): Modify to handle new file data structures.
7321 (add_src_coords_attributes): Use add_AT_file.
7322 (add_call_src_coords_attributes): Likewise.
7323 (dwarf2out_imported_module_or_decl): Likewise.
7324 (gen_subprogram_die): Modify for new file data structures.
7325 (gen_variable_die): Likewise.
7326 (file_table_eq): New.
7327 (file_table_hash): New.
7328 (file_table_last_lookup): New.
7329 (lookup_filename): Rewrite to handle new file data structures.
7330 (maybe_emit_file): Rewrite to handle new file data structures.
7331 (dwarf2out_source_line): Always call lookup_filename and
7333 (dwarf2out_init): Create file_table here.
7334 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7335 (file_table_relative_p): New.
7336 (dwarf2out_finish): Change detection of relative filenames
7337 to work with new file data structures. Move output_line_info call
7338 after debug_info output.
7340 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7345 * config/i386/i386.c (override_options): Always default to 16
7346 byte stack boundary.
7348 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7351 * var-tracking.c (dump_dataflow_set): Start dumping at
7353 (clobber_variable_part): Kill only the variable part in
7354 registers holding it, leaving other variables alone.
7356 2006-09-11 Josh Triplett <josh@freedesktop.org>
7358 * doc/extend.texi (Other Builtins): Actually use the macro
7359 argument in the documentation example for
7360 __builtin_types_compatible_p.
7362 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7364 PR rtl-optimization/28726
7365 * sched-deps.c (sched_analyze_reg): New function extracted from...
7366 (sched_analyze_1): ...here. Call it to analyze references to
7367 registers. Treat again writes to a stack register as writing to the
7369 (sched_analyze_2): ...and here. Call it to analyze references to
7370 registers. Treat again reads of a stack register as reading the
7373 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7374 David Edelsohn <edelsohn@gnu.org>
7377 * config/rs6000/spe.md (frob_df_di): Remove %H.
7378 (frob_di_df): Remove %H. Change evmergelo to mr.
7379 (frob_di_df_2): Remove %H. Change evldd to two loads.
7381 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7383 * doc/cpp.texi: Fix names of charset options.
7385 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7388 * config/i386/i386.c (override_options): Use 128-bit
7389 stack boundary always for 64bits.
7391 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7393 PR rtl-optimization/28636
7394 * combine.c (force_to_mode): Test for side-effects before
7395 substituting by zero.
7396 (simplify_shift_const): Likewise for zero or other constants.
7398 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7401 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7404 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7407 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7408 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7409 returned by mode_for_size, rather than the mode of src itself,
7410 to choose between 32-bit and 64-bit patterns.
7411 (mips_mem_fits_mode_p): New function.
7412 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7413 that the size of the source matches the size of the destination.
7414 (mov_<store>l, mov_<store>r): Likewise.
7416 2006-09-10 Eric Christopher <echristo@apple.com>
7418 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7421 2006-09-09 Eric Christopher <echristo@apple.com>
7424 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7427 2006-09-09 Roger Sayle <roger@eyesopen.com>
7428 Nicolas Setton <setton@adacore.com>
7430 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7432 2006-09-10 Andreas Schwab <schwab@suse.de>
7434 * config/m68k/m68k.md (bungt_rev): New pattern.
7436 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7437 Dale Johannesen <dalej@apple.com>
7440 * regclass.c (struct reg_pref): Update documentation.
7441 (regclass): Set prefclass to NO_REGS if memory is the best option.
7442 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7444 2006-09-08 Eric Christopher <echristo@apple.com>
7446 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7447 * config/t-slibgcc-darwin: Support x86_64 multilib.
7448 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7449 Return 1 for x86_64-darwin.
7450 * config/i386/t-darwin: Add m64 multilib.
7451 (LIB2_SIDITI_CONV_FUNCS): Use.
7452 (LIB2FUNCS_EXTRA): Ditto.
7453 * config/i386/darwin.h: Support x86_64.
7454 * config/i386/i386.c (override_options): Turn on flag_pic
7455 for x86_64-darwin. Disable flag_omit_pointer.
7456 (get_pc_thunk_name): Assert !TARGET_64BIT.
7457 (legitimate_address_p): Disable machopic addressing for
7459 (legitimize_pic_address): Ditto.
7460 (ix86_expand_move): Ditto.
7461 (ix86_expand_call): Ditto.
7462 (machopic_output_stub): Ditto.
7463 * config/darwin.c (machopic_select_section): Support literal16.
7464 (machopic_select_rtx_section): Ditto.
7465 * config/darwin-sections.def: Ditto.
7466 * config/darwin-64.c: New.
7468 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7471 * c-tree.h (struct c_arg_info): Add pending_sizes.
7472 * c-parser.c (c_parser_parms_declarator,
7473 c_parser_parms_list_declarator): Initialize pending_sizes.
7474 * c-decl.c (get_parm_info): Initialize pending_sizes.
7475 (get_parm_info): Set pending_sizes.
7476 (grokdeclarator): Call put_pending_sizes for parameters for
7477 function definition only.
7479 2006-09-07 Jason Merrill <jason@redhat.com>
7482 * varasm.c (output_constant): Only strip actual no-op conversions.
7485 * config/i386/i386.c (override_options): Use 128-bit
7486 stack boundary if -msse.
7488 2006-09-07 Eric Christopher <echristo@apple.com>
7490 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7492 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7495 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7497 * dwarf2out.c: Remove strange characters from comment above
7498 dwarf2out_frame_debug_expr.
7500 2006-09-07 Eric Christopher <echristo@apple.com>
7502 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7503 * config/darwin.h: ... to here.
7505 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7507 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7509 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7510 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7512 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7513 TARGET_PARTIAL_FLAG_REG_STALL.
7514 (*ashldi3_cconly_rex64): Likewise.
7515 (*ashlsi3_cmp): Likewise.
7516 (*ashlsi3_cconly): Likewise.
7517 (*ashlsi3_cmp_zext): Likewise.
7518 (*ashlhi3_cmp): Likewise.
7519 (*ashlhi3_cconly): Likewise.
7520 (*ashlqi3_cmp): Likewise.
7521 (*ashlqi3_cconly): Likewise.
7522 (*ashrdi3_cmp_rex64): Likewise.
7523 (*ashrdi3_cconly_rex64): Likewise.
7524 (*ashrsi3_cmp): Likewise.
7525 (*ashrsi3_cconly): Likewise.
7526 (*ashrsi3_cmp_zext): Likewise.
7527 (*ashrhi3_cmp): Likewise.
7528 (*ashrhi3_cconly): Likewise.
7529 (*ashrqi3_cmp): Likewise.
7530 (*ashrqi3_cconly): Likewise.
7531 (*lshrdi3_cmp_rex64): Likewise.
7532 (*lshrdi3_cconly_rex64): Likewise.
7533 (*lshrsi3_cmp): Likewise.
7534 (*lshrsi3_cconly): Likewise.
7535 (*lshrsi3_cmp_zext): Likewise.
7536 (*lshrhi3_cmp): Likewise.
7537 (*lshrhi3_cconly): Likewise.
7538 (*lshrqi2_cmp): Likewise.
7539 (*lshrqi2_cconly): Likewise.
7541 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7544 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7545 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7546 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7547 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7548 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7549 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7550 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7551 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7552 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7553 implement only CC setting effects of shift instructions.
7555 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7557 * doc/contrib.texi: Add myself.
7559 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7562 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7563 was set by the user.
7565 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7568 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7569 (divsi_inv_m1): Use them.
7570 (UNSPEC_DIV_INV_TABLE): New constant.
7572 2006-09-06 James E Wilson <wilson@specifix.com>
7575 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7576 then call count_or_remove_death_notes.
7578 2006-09-06 Jason Merrill <jason@redhat.com>
7581 * tree-inline.c (copy_result_decl_to_var): New fn.
7582 (declare_return_variable): Use it. Call declare_inline_vars here.
7583 (expand_call_inline): Not here.
7585 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7587 * doc/contrib.texi: Update my entry.
7589 2006-09-06 Nick Clifton <nickc@redhat.com>
7591 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7593 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7596 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7597 (canonicalize_induction_variables): Likewise.
7598 (tree_unroll_loops_completely): Likewise.
7599 (tree_ssa_prefetch_arrays): Likewise.
7600 (remove_empty_loops): Likewise.
7601 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7602 TODO_cleanup_cfg instead of directly calling
7603 cleanup_tree_cfg_loop.
7604 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7606 (tree_unroll_loops_completely): Likewise.
7607 (remove_empty_loops): Likewise.
7608 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7609 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7610 of tree_ssa_unswitch_loops.
7611 (tree_ssa_loop_ivcanon): Use the return value of
7612 canonicalize_induction_variables.
7613 (tree_ssa_empty_loop): Use the return value of
7615 (tree_complete_unroll): Use the return value of
7616 tree_unroll_loops_completely.
7617 (tree_ssa_loop_prefetch): Use the return value of
7618 tree_ssa_prefetch_arrays.
7619 * passes.c (execute_todo): Before Cleanup CFG, set
7620 updating_used_alone and after cleanup CFG, call
7621 recalculate_used_alone.
7623 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7626 * tree-vect-transform.c (vectorizable_condition): Move the check
7627 for the type after the check for simple condition.
7629 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7630 Kaz Kojima <kkojima@gcc.gnu.org>
7633 * mode-switching.c (optimize_mode_switching): Make the destination
7634 block of an abnormal edge have no anticipatable mode. Don't
7635 insert mode switching code at the end of the source block of
7638 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7640 PR rtl-optimization/26847
7641 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7642 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7643 (simplify_plus_minus): Count n_constants while filling ops. Replace
7644 qsort with insertion sort. Before going through the array to simplify
7645 pairs, sort it. Delay early exit until after the first sort, exiting
7646 only if no swaps occurred. Simplify pairs in reversed order, without
7647 special-casing the first iteration. Pack ops after simplifying pairs.
7649 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7651 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7652 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7653 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7654 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7656 2006-09-05 Richard Guenther <rguenther@suse.de>
7658 PR tree-optimization/28900
7659 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7660 compound conditional before creating COND_EXPR condition.
7662 2006-09-05 Richard Guenther <rguenther@suse.de>
7664 PR tree-optimization/28905
7665 * tree-vrp.c (fix_equivalence_set): Manually implement
7666 !value_ranges_intersect_p to also handle symbolic ranges.
7668 2006-09-05 Richard Guenther <rguenther@suse.de>
7671 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7674 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7676 PR rtl-optimization/27616
7677 * cse.c (table_size): New static variable.
7678 (new_basic_block): Initialize it to 0.
7679 (remove_from_table): Decrement it.
7680 (insert): Increment it.
7681 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7682 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7683 fold_rtx_mem_1 if under the cap.
7684 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7685 the lookup of the equivalent expression and test for equality of the
7686 first operand of the equivalent expression before in turn looking up
7687 an equivalent constant for the second operand.
7689 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7692 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7693 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7694 pointer, instead of assuming it is possible to derive the
7695 correct args size from a call insn.
7697 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7700 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7701 (fold_builtin_mempcpy): Rename to...
7702 (fold_builtin_memory_op): ... this. Optimize one element copy
7704 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7706 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7707 (expand_builtin_memcpy, expand_builtin_mempcpy,
7708 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7709 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7710 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7711 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7713 2006-09-01 DJ Delorie <dj@redhat.com>
7715 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7716 (stzx_16): Likewise.
7717 ("stzx_24_<mode>"): Likewise.
7718 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7719 ("cmp<mode>_op"): New.
7720 (cmp<mode>): Change to expander; just save operands.
7722 (b<code>): Change to expander, emit compare here.
7723 (s<code>_op): Change to use split and expander.
7724 (s<code>_24_op): Likewise.
7725 (s<code>_<mode>): New.
7726 (s<code>_<mode>_24): New.
7727 (movqicc_<code>_<mode): New.
7728 (movhicc_<code>_<mode>): New.
7731 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7732 (m32c_pend_compare): New.
7733 (m32c_unpend_compare): New.
7734 (m32c_expand_scc): New.
7735 (m32c_expand_movcc): Emit the compare also.
7736 * config/m32c/predicates.md (mra_nopp_operand): New.
7738 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7739 Richard Guenther <rguenther@suse.de>
7740 Adam Nemet <anemet@caviumnetworks.com>
7743 * builtins.c (get_pointer_alignment): Handle more forms
7744 of base addresses that can be used to derive more precise
7745 information about alignment.
7747 2006-09-01 Jason Merrill <jason@redhat.com>
7750 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7753 * gimplify.c (voidify_wrapper_expr): Handle null type.
7755 2006-09-01 Josh Conner <jconner@apple.com>
7758 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7759 (execute_return_slot_opt): Use it.
7761 2006-08-31 Josh Conner <jconner@apple.com>
7764 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7765 returning aggregates.
7767 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7769 PR tree-optimization/28839
7770 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7771 blocks in that phi arguments appear.
7773 2006-08-31 Roger Sayle <roger@eyesopen.com>
7776 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7777 NULL, otherwise use an advance_loc4 to adjust relative to the
7779 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7780 (dwarf2out_switch_text_section): Reset the current label to avoid
7781 using advance_loc4 over section boundaries.
7783 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7786 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7787 r12 + SYMBOLIC_CONST.
7789 2006-08-30 Richard Guenther <rguenther@suse.de>
7791 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7793 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7795 PR rtl-optimization/27735
7796 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7797 Add new argument to keep track of whether an irreducible region
7798 was affected. All callers changed.
7799 (fix_irreducible_loops): Removed.
7800 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7801 flags were invalidated.
7803 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7805 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7806 instead of SF operands.
7807 (*fop_df_comm_sse): Likewise.
7808 (*fop_df_comm_i387): Likewise.
7809 (*fop_df_1_mixed): Likewise.
7810 (*fop_df_1_sse): Likewise.
7812 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7813 J"orn Rennecke <joern.rennecke@st.com>
7815 PR tree-optimization/17506
7816 * tree-ssa.c (warn_uninit): If warning about a location outside of
7817 the current function, note where the variable was declared.
7819 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7821 PR tree-optimization/28411
7822 * double-int.c (double_int_div): Use double_int_divmod.
7823 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7824 double_int_mod, double_int_smod, double_int_umod): New functions.
7825 * double-int.h (double_int_divmod, double_int_sdivmod,
7826 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7828 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7830 (get_computation_aff, get_computation_cost_at): Handle double_int
7831 return type of constant_multiple_of.
7833 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7836 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7837 an implicit conversion.
7839 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7841 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7843 2006-08-27 Roger Sayle <roger@eyesopen.com>
7845 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7848 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7850 * config/i386/crtfastmath.c: Fix a comment typo.
7852 2006-08-26 Roger Sayle <roger@eyesopen.com>
7854 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7855 temporary visit flags on CASE_LABEL_EXPRs.
7856 * c-common.c (match_case_to_enum): Add function comment. Avoid
7857 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7858 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7859 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7860 a constant, only warn if that constant value isn't handled.
7862 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7865 * input.h (restore_input_file_stack): Declare.
7866 (INPUT_FILE_STACK_BITS): Define.
7867 * toplev.c (fs_p, input_file_stack_history,
7868 input_file_stack_restored, restore_input_file_stack): New.
7869 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7870 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7871 (pop_srcloc): Don't free old state of stack.
7873 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7876 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7877 (PowerPC Type Attributes): New.
7879 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7881 * config/xtensa/xtensa.c (function_arg_boundary): New.
7882 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7884 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7885 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7887 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7890 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7893 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7895 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7896 (verify_local_live_at_start): Likewise.
7898 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7901 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7902 omp_add_variable): Treat sizes as variable whenever not
7905 2006-08-26 Richard Guenther <rguenther@suse.de>
7908 * fold-const.c (fold_binary): Fold temporary to correct
7909 type before constructing new comparison.
7911 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7914 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7915 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7917 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7920 * c-decl.c (start_function): Don't try to process prototype
7921 information from old declaration that isn't a function.
7923 2006-08-25 Jan Hubicka <jh@suse.cz>
7926 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7928 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7931 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7934 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7936 PR tree-optimization/16876
7937 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7938 exit if PARM doesn't match VALUE.
7940 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7942 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7943 literal_prefix directive.
7944 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7945 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7946 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7948 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7951 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7952 predicate to general_operand. Add 0->y and I->r alternatives.
7954 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7956 * doc/tm.texi: Fix a typo.
7957 * predict.c: Fix comment typos.
7959 2006-08-25 Nick Clifton <nickc@redhat.com>
7961 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7962 assertions of "cpu" and "machine".
7964 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7967 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7968 the access through a base which has an alias set of 0 cannot
7971 2006-08-24 Bill Wendling <wendling@apple.com>
7973 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7975 2006-08-24 Jan Hubicka <jh@suse.cz>
7977 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7979 2006-08-24 Jan Hubicka <jh@suse.cz>
7982 * cgraph.c: Fix comments.
7983 (cgraph_varpool_mark_needed_node): Mark only variables not already
7985 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7986 (cgraph_varpool_assembled_nodes_queue): New static variable.
7987 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7988 (cgraph_varpool_output_debug_info): New function.
7989 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7990 * Makefile.in: Add gt-cgraphunit.h
7992 2006-08-24 Jan Hubicka <jh@suse.cz>
7994 * predict.c (probability_reliable_p): New predicate.
7995 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7996 (predict_loops): Do not predict loop exit with less than 2%
7998 * basic-block.h (edge_probability_reliable_p,
7999 br_prob_note_reliable_p): Declare.
8000 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8001 prediction when static predictor is not reliable.
8002 * rs6000.c (output_cbranch): Likewise.
8004 2006-08-23 Stuart Hastings <stuart@apple.com>
8007 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8008 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8010 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8013 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8014 complex values, nor for generic vector values.
8016 2006-08-22 Richard Guenther <rguenther@suse.de>
8019 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8020 parameter. Convert arguments to arithmetic expression to the
8022 (analyze_scalar_evolution_1): Adjust caller.
8024 2006-08-22 Jan Hubicka <jh@suse.cz>
8026 Patch by Paolo Bonzini
8027 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8030 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8032 PR tree-optimization/28003
8033 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8034 before grouping aliases.
8036 2006-08-22 Roger Sayle <roger@eyesopen.com>
8038 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8039 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8041 2006-08-21 Jason Merrill <jason@redhat.com>
8044 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8045 wrapper. Loop to handle nested wrappers.
8046 (gimplify_bind_expr): Remove temp parameter.
8047 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8048 and STATEMENT_LIST on the rhs.
8049 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8050 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8051 (gimplify_target_expr): Remove special BIND_EXPR handling.
8053 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8055 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8058 2006-08-21 Olivier Hainque <hainque@adacore.com>
8060 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8061 Arrange for the temporary captures of components overlapping the lhs
8062 to happen before the lhs is possibly cleared.
8064 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8066 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8067 necessary places to pass the correct "number of registers" values
8070 2006-08-20 Jan Hubicka <jh@suse.cz>
8072 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8073 (create_name_tags): Instead of quadratic checking use hashtable.
8074 * bitmap.h: Include hashtab.h.
8075 (bitmap_hash): Declare.
8076 * bitmap.c (bitmap_hash): New function.
8078 2006-08-20 Jan Hubicka <jh@suse.cz>
8080 PR rtl-optimization/28071
8081 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8083 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8084 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8085 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8086 cgraph_decide_inlining_incrementally): Update use of
8087 cgraph_check_inline_limits.
8088 * cgraph.c (edge_hash, edge_eq): New function.
8089 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8090 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8091 cgraph_remove_node): Maintain call site hash.
8092 * cgraph.h (struct cgraph_node): Add call_site_hash.
8093 (cgraph_set_call_stmt): New function.
8095 2006-08-20 Jan Hubicka <jh@suse.cz>
8097 PR rtl-optimization/28071
8098 * reload1.c (reg_has_output_reload): Turn into regset.
8099 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8100 choose_reload_regs, emit_reload_insns): Update to new
8101 reg_has_output_reload.
8103 2006-08-20 Jan Hubicka <jh@suse.cz>
8106 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8107 function body sizes.
8108 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8110 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8113 * tree.c (handle_dll_attribute): Return early if not a
8114 var or function decl.
8116 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8119 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8120 alignment of SPE vector types.
8122 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8124 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8126 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8129 * cgraph.h (struct cgraph_node): Remove externally_visible
8131 * cgraphunit.c (process_function_and_variable_attributes): Set
8132 local.externally_visible rather than externally_visible.
8135 * c-common.c (handle_externally_visible_attribute): First look
8136 at TREE_CODE and only if it is function or var decl, check for
8137 non-public objects. Don't warn for DECL_EXTERNAL.
8138 * cgraphunit.c (process_function_and_variable_attributes): Warn
8139 if externally_visible attribute is used on non-public object.
8141 2006-08-17 Jan Hubicka <jh@suse.cz>
8143 PR tree-optimization/27865
8144 * reload1.c (forget_marked_reloads): New function.
8145 (forget_old_reloads_1): When data are passed, just mark the registers
8147 (reload_as_needed): Use the new mechanizm.
8149 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8152 * reload.h (reg_equiv_alt_mem_list): New declaration.
8153 * reload1.c (reg_equiv_alt_mem_list): New definition.
8154 (reload): Initialize it and release it.
8155 (delete_output_reload): Use it.
8156 * reload.c (push_reg_equiv_alt_mem): New function.
8157 (find_reloads_toplev): Call it.
8158 (find_reloads_address, find_reloads_address_1): Likewise.
8159 (find_reloads_subreg_address): Likewise.
8161 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8163 PR rtl-optimization/28489
8164 * sched-ebb.c (begin_schedule_ready): Create basic block
8166 (advance_target_bb): Skip empty blocks.
8167 * haifa-sched.c (bb_note): Make global.
8168 * sched-int.h (bb_note): Add prototype.
8170 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8172 PR tree-optimization/27865
8173 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8175 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8176 fold_used_pointer, pointer_used_p): New functions.
8177 (analyze_scalar_evolution_1): Use fold_used_pointer.
8178 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8179 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8182 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8185 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8186 or the INTEGER_CST. Fail on a CALL_EXPR.
8187 (fold_offsetof): Pass new argument to fold_offsetof_1.
8188 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8189 operand into an INDIRECT_REF.
8190 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8192 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8194 PR gcov/profile/26570
8195 * value-prof.c (static_values): Removed.
8196 (tree_find_values_to_profile): Do not set static_values.
8197 (find_values_to_profile): Do not free static_values.
8198 * profile.c (instrument_values): Do not free the values.
8199 (branch_prob): Free the values.
8201 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8203 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8205 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8208 * c-typeck.c (build_component_ref): Combine qualifiers of
8209 structure or union and field.
8211 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8213 PR rtl-optimization/28071
8214 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8215 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8216 * tree-into-ssa.c (struct dom_dfsnum): New.
8217 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8219 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8220 compute_global_livein.
8221 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8222 in phi nodes in the correct blocks.
8224 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8226 PR tree-optimization/28364
8227 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8229 (fold_affine_expr): New function.
8230 (may_eliminate_iv): Use fold_affine_expr.
8232 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8235 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8238 2006-08-16 Mike Stump <mrs@apple.com>
8240 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8241 * doc/cppopts.texi (-MD): Likewise.
8243 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8246 * c-common.c (handle_weak_attribute): Ignore and warn if
8247 not a FUNCTION_ or VAR_DECL.
8249 2006-07-15 Mike Stump <mrs@apple.com>
8252 * c-parser.c (c_parser_typeof_specifier): Don't use
8253 c_finish_expr_stmt, open code desired semantics instead.
8255 2006-08-15 Nick Clifton <nickc@redhat.com>
8257 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8258 fragment to tmake_file only if threads are enabled.
8259 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8260 * config/i386/t-gthr-win32: New file. ... here.
8262 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8265 * c-parser.c (c_parser_compound_statement_nostart): Reset
8266 parser->error after each statement.
8268 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8271 * omp-low.c (lower_omp_parallel): Convert t to
8272 receiver_decl's type.
8273 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8274 source before comparison.
8277 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8278 to itype in assignment to oldival2.
8280 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8284 * c-typeck.c (build_compound_expr): If the second expression
8285 is an error mark, then just return an error mark instead of
8286 creating a COMPOUND_EXPR.
8288 2006-07-14 Mike Stump <mrs@apple.com>
8290 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8292 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8294 * c-decl.c, var-tracking.c: Fix comment typos.
8296 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8298 PR rtl-optimization/28634
8299 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8300 for floating-point modes unless flag_unsafe_math_optimizations.
8302 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8303 Andrew Pinski <pinskia@physics.uc.edu>
8306 * tree.c (build_array_type): Unify array types with
8307 unspecified index_type.
8308 * c-decl.c (grokdeclarator): Make sure we do not modify a
8309 unified incomplete array type.
8310 * c-typeck.c (store_init_value): Create distinct type before
8311 filling in the index type in an initializer from a compound
8314 * c-decl.c (grokdeclarator): Remove code where we copy the
8317 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8319 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8320 into account for TODO_dump_cgraph.
8321 (TODO_update_ssa_no_phi): Likewise.
8322 (TODO_update_ssa_full_phi): Likewise.
8323 (TODO_update_ssa_only_virtuals): Likewise.
8324 (TODO_remove_unused_locals): Likewise.
8325 (TODO_set_props): Likewise.
8326 (TODO_update_stmt_usage): Likewise.
8328 2006-08-13 Dirk Mueller <dmueller@suse.de>
8330 * c-common.c (strict_aliasing_warning): Fix formatting.
8332 2006-08-13 Matthias Klose <doko@debian.org>
8334 * doc/invoke.texi: Fix spelling errors.
8336 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8338 PR rtl-optimization/23454
8339 * reorg.c (relax_delay_slots): Update comment.
8341 2006-08-11 Richard Guenther <rguenther@suse.de>
8344 * simplify-rtx.c (simplify_const_relational_operation):
8345 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8348 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8350 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8351 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8353 2006-08-10 Paul Brook <paul@codesourcery.com>
8355 * final.c (final_scan_insn): Clear current_insn_predicate before
8356 outputting inline asm.
8358 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8360 PR tree-optimization/26197
8361 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8362 get_ref_base_and_extent and overlap_subvar to add only relevant
8363 subvars as may-aliases.
8364 (add_may_alias_for_new_tag): New function, factored out of
8366 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8367 with additional argument.
8368 * tree-flow.h (new_type_alias): Takes additional argument.
8370 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8372 * gcov.c (no_data_file): New flag.
8373 (read_count_file): Set it if data file not present. Assume counts
8375 (output_lines): Don't name the data file, if there wasn't one.
8377 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8379 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8380 (rs6000_generate_compare): Tweak comments.
8381 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8383 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8385 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8386 (var_debug_decl): New function.
8387 (var_reg_set): Follow debug decl link. Add location even if
8388 reg is already known to hold some other variable.
8389 (var_mem_set): Follow debug decl link.
8390 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8391 decl link. Delete other known locations of the variable part
8393 (var_reg_delete, var_mem_delete): Delete other known locations
8394 of the variable part if requested.
8395 (same_variable_part_p): New function.
8396 (add_stores): Select MO_COPY when appropriate.
8397 (vt_initialize): Handle it.
8398 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8399 known locations for MO_SET and MO_CLOBBER.
8400 (find_variable_location_part): New function.
8401 (set_variable_part, delete_variable_part): Use it.
8402 (clobber_variable_part): New function.
8403 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8406 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8408 PR tree-optimization/26969
8409 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8410 with an empty list of PHIs.
8412 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8416 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8419 2006-08-06 Andreas Schwab <schwab@suse.de>
8421 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8422 string. Whitespace and comment fixup.
8424 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8427 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8431 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8434 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8436 2006-08-04 Jan Hubicka <jh@suse.cz>
8440 * reload.c (push_reload): Patch out the mismatching instruction;
8442 (find_reload): Bail out if the instruction was patched out.
8444 2006-08-04 Jan Hubicka <jh@suse.cz>
8446 PR tree-optimization/24888
8447 * tree-inline.c (expand_call_inline): Do not re-record variables.
8448 (declare_inline_vars): Add variable to unexpanded_var_list.
8450 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8451 Roger Sayle <roger@eyesopen.com>
8453 PR rtl-optimization/26244
8454 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8455 inner_const are negative or greater than or equal to the bitsize of
8456 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8457 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8458 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8459 CONST0_RTX (mode) when the new shift count is greater than or equal to
8460 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8463 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8465 * tree-cfg.c: Fix a comment typo.
8467 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8470 * varasm.c (output_constant): Give the front end another chance to
8471 expand constants, after stripping NOPs.
8473 2006-08-03 Jan Hubicka <jh@suse.cz>
8475 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8478 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8480 PR tree-optimization/27770
8481 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8482 declaration removed (moved to tree-flow.h).
8483 (vect_can_force_dr_alignment_p): Likewise.
8484 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8485 (moved from tree-vectorizer.h).
8486 (vect_can_force_dr_alignment_p): Likewise.
8487 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8488 from outside the vectorizer - in particular from cgraph stage.
8489 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8490 the alignment of global arrays when -fsection-anchors is enabled.
8491 * cgraphunit.c (cgraph_increase_alignment): New function.
8492 (cgraph_optimize): Call cgraph_increase_alignment.
8494 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8497 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8498 not reload a SPE symbol_ref into a lo_sum address.
8500 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8503 * dwarf2out.c (prune_unused_types_prune): Move call to
8504 prune_unused_types_update_strings to cover the parent DIE also.
8506 2006-08-02 Jan Hubicka <jh@suse.cz>
8508 PR gcov/profile/28480
8509 * tree-cfg.c (change_bb_for_stmt): New function.
8510 (tree_merge_blocks, tree_split_blocks): Use it.
8512 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8518 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8519 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8520 (cgraph_optimize): Likewise.
8522 2006-08-01 Stuart Hastings <stuart@apple.com>
8524 * rtl.h (UINTVAL) New.
8525 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8526 * testsuite/gcc.dg/20060801-1.c: New.
8528 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8531 * c-typeck.c (build_external_type): Mark used enum types.
8532 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8534 (gen_subprogram_die): Whitespace fix.
8536 2006-08-01 Jan Hubicka <jh@suse.cz>
8538 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8539 bitmap when not needed.
8540 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8543 2006-08-01 Dirk Mueller <dmueller@suse.de>
8545 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8547 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8549 * Makefile.in: Revert part of previous patch:
8550 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8553 2006-07-30 Eric Christopher <echristo@apple.com>
8556 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8557 (PowerPC Variable Attributes): New section.
8559 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8561 PR target/28126 (partial fix)
8562 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8564 2006-07-28 Jan Hubicka <jh@suse.cz>
8566 PR rtl-optimization/28071
8567 * cfgrtl.c (rtl_delete_block): Free regsets.
8568 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8570 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8572 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8573 and variables used in dependencies.
8575 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8577 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8578 %fs for -mcmodel=kernel.
8579 (stack_tls_protect_test_di): Likewise.
8581 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8583 * Makefile.in: Use mkinstalldirs.
8585 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8588 * opts-common.c (prune_options): Skip joined switches.
8590 2006-07-27 Jan Hubicka <jh@suse.cz>
8592 PR rtl-optimization/28071
8593 * cselib.c (cselib_process_insn): Don't remove useless values too
8594 often for very large hashtables.
8596 2006-07-27 Jan Hubicka <jh@suse.cz>
8598 PR rtl-optimization/28071
8599 * global.c (greg_obstack): New obstack.
8600 (allocate_bb_info): Use it.
8601 (free_bb_info): Likewise.
8602 (modify_reg_pav): Likewise.
8604 2006-07-27 Roger Sayle <roger@eyesopen.com>
8606 * builtins.c (fold_fixed_mathfn): When long and long long are the
8607 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8608 functions to their lceil*, lfloor*, lround* and lrint* forms.
8610 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8613 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8615 (rev_branch_insn): Likewise.
8617 2006-07-27 Jan Hubicka <jh@suse.cz>
8619 PR rtl-optimization/28071
8620 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8621 (reg_set_in_bb, max_reg_computed): New static variables.
8622 (regmove_optimize): Free the new array.
8623 (fixup_match_1): Update call of reg_is_remote_constant_p.
8625 2006-07-26 Jan Hubicka <jh@suse.cz>
8627 PR tree-optimization/27882
8628 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8630 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8632 (cgraph_analyze_compilation_unit): Likewise.
8633 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8634 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8635 (cgraph_early_inlinine): Make order garbage collected.
8636 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8638 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8640 * dbxout.c (output_types_sort): Add a comment.
8641 (output_used_types): Free the VEC.
8643 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8645 * function.c (reorder_fix_fragments): Delete.
8646 (reorder_blocks): Don't call it.
8647 (reorder_blocks_1): Put all subblocks under the origin block.
8649 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8651 PR rtl-optimization/27907
8652 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8655 2006-07-25 Roger Sayle <roger@eyesopen.com>
8658 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8659 bar(x) check that bar's result type can represent all the values of T.
8661 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8663 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8665 2006-07-25 Nick Clifton <nickc@redhat.com>
8667 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8668 size_lookup[] array.
8669 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8670 (ggc_pch_count_object): Likewise.
8671 (ggc_pch_alloc_object): Likewise.
8672 (ggc_pch_write_object): Likewise.
8673 (init_ggc): Do not attempt to initialize entries in the
8674 size_lookup[] array for objects whose size is greater than than
8675 the length of the array.
8677 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8679 * dbxout.c (output_used_types_helper): Push queued types
8681 (output_types_sort): New.
8682 (output_used_types): Collect used types on a VEC and sort them
8685 2006-07-24 Richard Guenther <rguenther@suse.de>
8688 * cgraph.c (cgraph_remove_node): Do not check if dumps
8690 * cgraphunit.c (cgraph_optimize): Likewise.
8692 2006-07-24 Jan Hubicka <jh@suse.cz>
8694 PR rtl-optimization/28071
8695 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8696 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8697 splitting before first stmt.
8699 2006-07-24 Jan Hubicka <jh@suse.cz>
8701 PR rtl-optimization/28071
8702 * ipa-inline.c (update_caller_keys): Remove edges that
8703 are no longer inline candidates.
8705 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8708 * dbxout.c (output_used_types_helper, output_used_types): New.
8709 (dbxout_symbol): Call output_used_types.
8711 2006-07-23 Jan Hubicka <jh@suse.cz>
8715 * cgraph.c (cgraph_varpool_nodes): Export.
8716 (decide_is_variable_needed): Ignored "used" attribute in
8717 unit-at-a-time mode.
8718 * cgraph.h (cgraph_varpool_nodes): Declare.
8719 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8720 unit-at-a-time mode.
8722 2006-07-23 Roger Sayle <roger@eyesopen.com>
8725 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8726 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8727 the __gthrw form of thr_keycreate.
8728 (__gthread_key_delete): Silence the unused argument warning.
8730 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8733 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8734 Cache the last found '\0' marker to avoid quadratic behavior.
8736 2006-07-23 Jan Hubicka <jh@suse.cz>
8738 * i386.md (subsi_3_zext): Fix output template.
8740 2006-07-21 Mike Stump <mrs@apple.com>
8742 * doc/invoke.texi (C++ Dialect Options): Note that
8743 -fvisibility-inlines-hidden doesn't affect explicitly
8744 instantiationed inline methods.
8746 2006-07-20 Roger Sayle <roger@eyesopen.com>
8748 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8749 if the target assembler is GNU binutils' gas.
8750 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8751 whether to pass GNU gas or native as command line options.
8753 2006-07-20 Jason Merrill <jason@redhat.com>
8755 * tree.c (remove_attribute): New fn.
8756 * tree.h: Declare it.
8758 2006-07-20 Paul Brook <paul@codesourcery.com>
8761 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8762 they are invalidated by this instruction.
8764 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8767 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8769 2006-07-20 Eric Christopher <echristo@apple.com>
8772 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8774 2006-07-19 Eric Christopher <echristo@apple.com>
8776 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8777 Rewrite dependencies for libgcc_s.1.dylib.
8779 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8781 * except.c (duplicate_eh_regions_1): Clear next_peer.
8783 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8785 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8786 -mlongcall does not guarantee all calls will be long.
8787 * doc/extend.texi (long_call/short_call): Document that longcall
8788 does not guarantee a long call will be used.
8789 (longcall/shortcall): Likewise.
8791 2006-07-18 Roger Sayle <roger@eyesopen.com>
8794 * expmed.c (expand_shift): Additionally check that the shift_cost
8795 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8796 before implementing a LSHIFT_EXPR as a sequence of additions.
8797 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8798 middle-end that DImode shifts need to be synthesized by expand.
8800 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8803 * tree-ssa-operands.c (access_can_touch_variable): Update
8805 Return true if ALIAS is .GLOBAL_VAR.
8807 2006-07-18 David Daney <ddaney@avtrex.com>
8809 * gcc.c (display_help): Fix typo in help text.
8811 2006-07-18 Olivier Hainque <hainque@adacore.com>
8813 * tree.h (categorize_ctor_elements): Adjust prototype and add
8814 descriptive comment, both in accordance with the interface change
8816 * varasm.c (constructor_static_from_elts_p): New function.
8817 Whether a constructor node is a valid static constant initializer
8818 if all its elements are.
8819 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8820 * output.h: Declare it.
8821 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8822 is a valid constant initializer instead of computing the number of
8823 non-constant elements. Use constructor_static_from_elts_p for this
8824 purpose. Replace the head comment with an indication that this is a
8825 helper for categorize_ctor_elements.
8826 (categorize_ctor_elements): Same interface change as for the _1
8827 helper. Former head comment from this helper moved here, adjusted to
8828 account for the interface changes.
8829 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8830 (all_zeros_p): Likewise.
8831 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8832 static versions of the constructor from the categorize_ctor_elements
8833 return value instead of the formerly computed number of non-constant
8836 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8838 * configure: Regenerate.
8839 * Makefile.in (build_libsubdir): New configure substitution
8840 (build_libobjdir): New variable.
8841 (BUILD_LIBIBERTY): Use it.
8843 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8846 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8848 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8851 * c-common.c (handle_weakref_attribute): Ignore attribute in
8852 the same conditions the alias attribute is ignored.
8854 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8856 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8857 (dbxout_begin_prologue): Increment scope_labelno.
8859 2006-07-17 Richard Henderson <rth@redhat.com>
8862 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8865 2006-07-17 Roger Sayle <roger@eyesopen.com>
8866 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8868 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8869 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8870 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8871 functions such as sbrk, write, etc.. Add function prototypes.
8872 Convert function declarations from K&R to ISO C. Cast pointers
8873 to "long" and "unsigned long" instead of "int" and "unsigned int".
8874 Convert tokens following #endif into comments.
8876 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8878 * invoke.texi: Remove mention of f77; Reformat table for
8879 inline parameter options correctly; mention that -malign-double
8880 is default on x86-64 targets.
8882 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8884 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8885 (convert_affine_scev, chrec_convert_aggressive): Use
8886 avoid_arithmetics_in_type_p. Do not check for the subtypes
8889 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8892 * optabs.c (expand_doubleword_shift): Wrap the call to
8893 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8895 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8898 * optabs.c (expand_binop): Pass next_methods rather than methods
8899 to expand_doubleword_shift.
8901 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8904 * tree.h (dump_addr): Declare.
8905 * print-tree.c (dump_addr): New function.
8906 (print_node_brief, print_node): Use it.
8907 * print-rtl.c (print_rtx): Likewise.
8908 * common.opt (-fdump-noaddr): New option.
8909 * doc/invoke.texi (-fdump-noaddr): Document.
8910 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8911 (ve_info_hash): Likewise.
8913 2006-07-13 Andrew Haley <aph@redhat.com>
8915 PR tree-optimization/19505
8916 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8917 edge leaving this block, make sure that the destination of this
8918 block has only one predecessor.
8920 2006-07-17 Richard Guenther <rguenther@suse.de>
8922 PR tree-optimization/28238
8923 * tree-inline.c (copy_bb): Check if we produced valid
8924 gimple copying and substituting a stmt. If not, gimplify
8927 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8929 * optabs.c (maybe_encapsulate_block): New function extracted from...
8930 (emit_libcall_block): ...here. Invoke it on the block of insns to
8931 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8932 (emit_no_conflict_block): Likewise.
8934 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8936 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8938 2006-07-15 Roger Sayle <roger@eyesopen.com>
8940 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8941 a new NOP_EXPR case of the switch statement.
8943 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8946 * stor-layout.c (place_field): Take the bit field with
8947 an excessive size into account in the ms-bitfiled case.
8950 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8951 the previous bit field.
8953 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8956 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8958 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8960 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8961 signal frames correctly even when the signal was installed with
8964 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8966 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8967 (dbxout_function_end): Use local label LFBB. Remove hook
8969 (dbxout_source_line): Use local label LFBB.
8970 (dbxout_block): Likewise.
8971 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8972 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8973 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8974 and DBX_OUTPUT_NFUN.
8976 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8978 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8980 2006-07-13 Jan Hubicka <jh@suse.cz>
8982 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8984 * output.h (align_variable): Declare.
8985 * varasm.c (align_variable): Export.
8986 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8987 when basic block changed.
8989 2006-07-13 Nick Clifton <nickc@redhat.com>
8991 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8992 walking the LOG_LINKS chain.
8994 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8996 * doc/invoke.texi (C++ Dialect Options): Explain difference
8997 between -fvisibility-inlines-hidden and setting hidden
8998 visibility explicitly.
9000 2006-07-12 Eric Christopher <echristo@apple.com>
9002 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9003 (stmp-lipo): Depend on libgcc.a.
9005 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9007 * tree.c: Fix a comment typo.
9009 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9011 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9013 (umulhisi3_r): Likewise.
9015 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9018 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9019 x < 19, vs wchar_t support.
9021 2006-07-12 Nick Clifton <nickc@redhat.com>
9023 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9024 instead of -isa=sh4.
9026 2006-07-12 Mike Stump <mrs@apple.com>
9028 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9030 2006-07-10 Eric Christopher <echristo@apple.com>
9032 * config/t-slibgcc-darwin: Rewrite.
9034 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9037 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9040 2006-07-08 Matthias Klose <doko@debian.org>
9042 * doc/sourcebuild.texi: Fix typo.
9044 2006-07-07 Mike Stump <mrs@apple.com>
9046 * toplev.c (process_options): Don't give -ffunction-sections may
9047 affect debugging warning for Mach-O.
9049 2006-07-07 James E Wilson <wilson@specifix.com>
9051 * config/mips/mips.md (cpu): Add sb1a.
9052 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9053 addition to sb1. Adjust comments to clarify SB-1A differences from
9055 (ir_sb1a_load): New. Modify bypasses to use it.
9056 (ir_sb1a_simple_alu): Likewise.
9057 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9058 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9059 (mips_issue_rate): Add PROCESSOR_SB1A.
9060 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9061 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9062 (TARGET_SB1): Add PROCESSOR_SB1A check.
9063 (TUNE_SB1): Likewise.
9065 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9066 * config/mips/mips.c (mips_store_data_bypass_p): New.
9067 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9068 store_data_bypass_p.
9070 2006-07-08 Paul Brook <paul@codesourcery.com>
9073 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9075 2006-07-07 Richard Guenther <rguenther@suse.de>
9078 * tree.h (build_one_cst): Declare.
9079 * tree.c (build_one_cst): New function.
9080 * tree-ssa-math-opts.c (get_constant_one): Remove.
9081 (insert_reciprocals): Use build_one_cst.
9082 * fold-const.c (fold_plusminus_mult): Likewise.
9084 2006-07-07 Roger Sayle <roger@eyesopen.com>
9086 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9087 * cfgloopanal.c (dump_graph): Likewise.
9088 * dojump.c (discard_pending_stack_adjust): Likewise.
9089 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9091 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9092 * function.c (finalize_block_changes): Likewise.
9093 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9094 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9095 * rtl.c (dump_rtx_statistics): Likewise.
9096 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9098 * varray.c (dump_varray_statistics): Likewise.
9099 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9100 decode_decimal64, encode_decimal128, decode_decimal128,
9101 decimal_real_to_decimal): Likewise.
9103 2006-07-07 Richard Guenther <rguenther@suse.de>
9105 PR tree-optimization/28187
9106 * tree-vrp.c (vrp_operand_equal_p): New function.
9107 (vrp_bitmap_equal_p): Likewise.
9108 (update_value_range): Use them to compare old and new
9111 2006-07-06 Roger Sayle <roger@eyesopen.com>
9113 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9114 a default case to switch statement to silence compiler warnings.
9116 2006-07-06 Roger Sayle <roger@eyesopen.com>
9119 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9120 the configured assembler supports the x87's ffreep mnemonic.
9121 * configure: Regenerate.
9122 * config.in: Regenerate.
9124 * config/i386/i386.c (output_387_ffreep): New function.
9125 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9126 (output_387_reg_move): Likewise.
9128 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9130 Port to hosts whose 'sort' and 'tail' implementations
9131 treat operands with leading '+' as file names, as POSIX
9132 has required since 2001. However, make sure the code still
9133 works on pre-POSIX hosts.
9134 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9135 which says you should use "tail -c +N" rather than "tail +Nc".
9136 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9138 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9140 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9143 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9146 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9147 PRE_{INC,DEC} of TFmode.
9149 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9150 Alan Modra <amodra@bigpond.net.au>
9153 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9156 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9159 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9160 Remove duplicate gtu.
9162 2006-07-05 Jason Merrill <jason@redhat.com>
9166 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9167 * c-common.c (handle_packed_attribute): So don't copy it here.
9168 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9170 2006-07-05 Mike Stump <mrs@apple.com>
9172 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9174 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9177 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9179 2006-07-05 Richard Guenther <rguenther@suse.de>
9182 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9183 TARGET_SSE2 targets if using SSE math.
9184 (*absdf2_1): Likewise.
9186 2006-07-05 Richard Guenther <rguenther@suse.de>
9188 PR tree-optimization/28162
9189 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9190 make sure to convert the operands to the correct type.
9192 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9194 PR tree-optimization/28218
9196 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9197 to calculate and free the dominator information.
9199 2006-07-04 Peter O'Gorman <peter@pogma.com>
9201 * mklibgcc.in: chmod 644 before ranlib during install.
9203 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9204 J"orn Rennecke <joern.rennecke@st.com>
9206 * configure.ac (.eh_frame data check): Use diff -b.
9208 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9211 * Makefile.in (BUILD_RTL): Add build/vec.o.
9212 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9213 (build/genextract): Delete.
9214 (build/genautomata): Likewise.
9216 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9219 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9220 128-bit IBM long doubles for ABI_V4.
9222 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9224 * tree.c (range_in_array_bounds_p): New predicate.
9225 * tree.h (range_in_array_bounds_p): Declare it.
9226 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9227 return a less conservative answer.
9228 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9229 and flag 'is_group'.
9230 (IS_ELEMENT_FOR_GROUP): New macro.
9231 (FOR_EACH_ACTUAL_CHILD): Likewise.
9232 (next_child_for_group): New helper function.
9233 (can_completely_scalarize_p): Take into account groups.
9234 (sra_hash_tree): Handle RANGE_EXPR.
9235 (sra_elt_eq): Likewise.
9236 (lookup_element): Be prepared for handling groups.
9237 (is_valid_const_index): Delete.
9238 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9239 instead of is_valid_const_index.
9240 <ARRAY_RANGE_REF>: New case.
9241 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9242 is_valid_const_index.
9243 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9244 (scan_dump): Dump info for groups too.
9245 (decide_instantiation_1): Likewise.
9246 (decide_block_copy): Assert that the element is not a group.
9247 Propagate decision to groups.
9248 (generate_one_element_ref): Handle RANGE_EXPR.
9249 (mark_no_warning): Iterate over actual childs.
9250 (generate_copy_inout): Likewise.
9251 (generate_element_copy): Likewise.
9252 (generate_element_zero): Likewise.
9253 (generate_element_init_1): Likewise.
9254 (dump_sra_elt_name): Handle RANGE_EXPR.
9256 2006-07-03 Roger Sayle <roger@eyesopen.com>
9258 PR tree-optimization/26251
9259 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9260 (thread_block): When optimizing for size refuse to thread jumps
9261 that would require duplication of blocks other than redirection
9264 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9266 * configure.ac: Fix thinko in previous check-in.
9267 * configure: Regenerate.
9269 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9272 * configure.ac (for lang...): Simplify nesting of conditionals.
9273 Test subdir_requires for non-enabled languages. Move processing
9274 of lang_opt_files and lang_tree_fiels below that test.
9275 * configure: Regenerate.
9276 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9278 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9280 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9282 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9284 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9287 2006-06-29 Jason Merrill <jason@redhat.com>
9294 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9295 * c-common.c (c_determine_visibility): Handle it here.
9296 * c-decl.c (finish_decl): Call c_determine_visibility for
9298 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9300 * varasm.c (default_assemble_visibility): Likewise.
9301 * c-common.c (handle_visibility_attribute): Complain about trying
9302 to give visibility to an already defined class, or trying to change
9303 declared visibility. Always attach the attribute.
9308 * attribs.c (decl_attributes): Ignore type-in-place attributes
9309 once the type has been defined.
9311 2006-06-29 Roger Sayle <roger@eyesopen.com>
9314 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9315 to indicate the cpplib has issued an error message for us.
9317 2006-06-29 Asher Langton <langton2@llnl.gov>
9320 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9321 insert a label at the end of an function under Mach-O.
9323 2006-06-29 Eric Christopher <echristo@apple.com>
9324 Evan Cheng <evan.cheng@apple.com>
9326 * predicates.md (vector_all_ones_operand): New.
9327 (nonimmediate_or_sse_const_operand): Ditto.
9328 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9329 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9330 (standard_sse_mode_p): Ditto.
9331 (standard_sse_constant_p): Add case for -1 vector.
9332 (ix86_expand_vector_move): Try to use.
9333 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9334 Call standard_sse_constant_opcode.
9335 (*movv4sf_internal): Ditto.
9336 (*movv2df_internal): Ditto.
9338 2006-06-29 Roger Sayle <roger@eyesopen.com>
9340 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9341 of XEXP to extract the operands of a MATCH_CODE rtx.
9343 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9345 * tree.c (tree_size): Do not waste tail padding in
9346 struct tree_string and make the size be the same as
9347 build_string will generate.
9349 2006-06-28 Jason Merrill <jason@redhat.com>
9352 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9353 may_aliases already in the tag's annotations to the bitmap.
9355 2006-06-28 Roger Sayle <roger@eyesopen.com>
9357 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9359 2006-06-28 Roger Sayle <roger@eyesopen.com>
9361 * genpreds.c (generate_switch_p): New function.
9362 (add_mode_tests): Push the new mode test down inside an AND expr
9363 if this allows the switch-suitable MATCH_CODE to be near the root.
9364 (write_match_code_switch): New function to write a MATCH_CODE as
9366 (write_predicate_stmts): New function to write a predicate RTX
9367 expression as a sequence of statements.
9368 (write_one_predicate_function): Use write_predicate_stmts.
9369 (write_tm_constrs_h): Likewise.
9371 2006-06-26 Fred Fish <fnf@specifix.com>
9373 * config/mips/t-sb1: New file.
9374 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9377 2006-06-26 DJ Delorie <dj@redhat.com>
9379 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9381 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9382 Jayant Sonar <jayants@kpitcummins.com>
9383 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9385 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9386 (subsi3, subsi3_1, subsi3_2): New.
9387 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9388 * config/m32c/mov.md (SI mov peephole): New.
9389 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9390 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9392 2006-06-26 Olivier Hainque <hainque@adacore.com>
9394 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9395 a CALL_EXPR target function declaration.
9397 2006-06-26 Richard Guenther <rguenther@suse.de>
9399 * tree.c (build_string): Do not waste tail padding in
9402 2006-06-26 Richard Guenther <rguenther@suse.de>
9404 * ggc-page.c (init_ggc): Add missing element to size_lookup
9408 2006-06-23 Richard Guenther <rguenther@suse.de>
9410 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9411 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9412 alignment requests instead. Add verification code.
9413 Add struct tree_function_decl and struct tree_binfo size to
9414 extra_order_size_table. Add missing element to size_lookup
9417 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9420 * fold-const.c (const_binop): Be prepared for self returning zero.
9421 Simplify code handling complex values.
9423 2006-06-24 Olivier Hainque <hainque@adacore.com>
9425 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9426 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9429 2006-06-24 Olivier Hainque <hainque@adacore.com>
9431 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9432 ARRAY_REF, so have the callback called for the low bound expression.
9434 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9436 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9437 * c-typeck.c (c_common_type): Disallow operations on decimal float
9438 types and other float types.
9439 * convert.c (convert_to_real): Don't ignore conversions involving
9440 decimal float types.
9442 2006-06-23 Olivier Hainque <hainque@adacore.com>
9444 * tree.c (max_int_size_in_bytes): New function, inspired from
9445 code in function.c:assign_temp.
9446 * tree.h (max_int_size_in_bytes): Declare.
9447 * function.c (assign_temp): Use it.
9448 * gimplify.c (create_tmp_var): Relax the assertions on the type
9449 properties, not mandating constant size any more.
9450 (force_constant_size): New static function.
9451 (gimple_add_tmp_var): Use it, forcing variable size to a
9452 constant upper bound if it is not constant on entry.
9454 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9457 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9458 for initialization and setting of one_only flag to ...
9459 (i386_pe_encode_section_info): ...here.
9460 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9461 Recheck that the symbol has not been defined.
9463 2006-06-23 Richard Guenther <rguenther@suse.de>
9465 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9466 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9467 alignment requests instead. Add verification code.
9468 Add struct tree_function_decl and struct tree_binfo size to
9469 extra_order_size_table. Add missing element to size_lookup
9472 2006-06-22 Roger Sayle <roger@eyesopen.com>
9473 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9476 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9477 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9479 2006-06-23 Ben Elliston <bje@au.ibm.com>
9481 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9482 negate dn -- manipulate it directly.
9484 2006-06-22 Roger Sayle <roger@eyesopen.com>
9485 Steven Bosscher <stevenb.gcc@gmail.com>
9488 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9489 generated by gen_move_insn to add REG_LABEL notes if necessary.
9491 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9493 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9494 (leaf_entry): Remove use of MIN_ESA.
9496 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9498 PR rtl-optimization/28121
9499 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9502 2006-06-21 DJ Delorie <dj@redhat.com>
9504 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9506 (mulhisi3_r): Likewise.
9508 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9511 * coverage.c (coverage_counter_alloc): Leave the index type
9513 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9516 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9518 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9519 section from the "Options for Code Generation Conventions".
9521 2006-06-21 Richard Henderson <rth@redhat.com>
9525 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9527 (global_symbolic_operand): Allow weak symbols, even if local_p.
9529 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9531 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9532 (find_interesting_uses_address): Punt if above function returns true.
9534 2006-06-21 Richard Guenther <rguenther@suse.de>
9536 * configure: Regenerated.
9538 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9540 * config/mips/mips.c (function_arg): Where one part of a
9541 complex argument is in registers and the other part in the stack,
9542 return a REG not a PARALLEL.
9544 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9546 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9547 when cross-compiling. Do not substitute libstdcxx_incdir.
9548 * configure: Regenerated.
9550 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9552 * varasm.c (mergeable_string_section): Check for embedded NULs and
9553 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9554 rather than TREE_STRING_LENGTH bytes.
9556 2006-06-21 Richard Guenther <rguenther@suse.de>
9558 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9559 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9562 2006-06-21 Richrad Guenther <rguenther@suse.de>
9564 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9565 Limit iteration over the dominators.
9567 2006-06-20 Roger Sayle <roger@eyesopen.com>
9569 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9570 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9572 2006-06-20 Richard Guenther <rguenther@suse.de>
9573 Michael Matz <matz@suse.de>
9575 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9577 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9578 * et-forest.h (et_free_pools): Prototype new function.
9579 * et-forest.c (et_free_tree_force): Free parent occurrence.
9580 (et_free_pools): New function.
9581 * dominance.c (free_dominance_info): Free et-forest alloc
9584 2006-06-20 Roger Sayle <roger@eyesopen.com>
9586 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9587 integer modes, attempt to directly construct an integer constant.
9589 * fold-const.c (native_encode_vector): Determine the size of each
9590 element from the vector type instead of the first vector element.
9592 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9593 if all of its elements/components are constant.
9594 (build_constructor_from_list): Likewise.
9596 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9598 PR tree-optimization/27331
9599 * tree-data-ref.c (free_data_ref): New function.
9600 (create_data_ref): Fail if the data reference has unknown access
9602 (free_data_refs): Use free_data_ref.
9604 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9607 * tree-inline.c (setup_one_parameter): Strip useless
9608 type conversion before adding it to the IR.
9609 (declare_return_variable): Likewise.
9611 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9614 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9616 2006-06-19 Mike Stump <mrs@apple.com>
9618 * tree.c (variably_modified_type_p): VM arguments don't make the
9621 2006-06-19 Richard Guenther <rguenther@suse.de>
9623 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9624 type conversions after folding.
9626 2006-06-19 Richard Guenther <rguenther@suse.de>
9628 * ggc-page.c (extra_order_size_tab): Add entries with
9629 size of struct function and basic_block.
9630 (size_lookup): Extend to cover sizes up to 511.
9631 (ggc_alloc_stat): Adjust user.
9632 (ggc_pch_count_object): Likewise.
9633 (ggc_pch_alloc_object): Likewise.
9634 (ggc_pch_write_object): Likewise.
9636 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9638 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9639 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9642 2006-06-19 Denis Chertykov <denisc@overta.ru>
9644 * config/avr/libgcc.S : Correct my wrong previous commit.
9646 2006-06-19 Roger Sayle <roger@eyesopen.com>
9649 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9650 have stripped a SUBREG from the shift count, so we may need to
9651 convert_to_mode back to the type's mode before calling make_tree.
9652 Use new_amount instead of amount to avoid expanding a tree twice.
9654 2006-06-19 Richard Guenther <rguenther@suse.de>
9657 * fold-const.c (operand_equal_p): Check if the argument types
9658 have the same precision before stripping NOPs.
9660 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9662 Fix PR tree-optimization/27341
9663 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9665 * tree-complex.c (pass_lower_complex): Update SMT usage.
9667 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9669 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9670 Add a new alternative to the constraint strings. Add move of
9671 operand 1 to 3 to the splitter definition.
9672 ("doloop_si_long"): Second contraint alternative removed.
9674 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9676 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9677 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9679 (AVR_HAVE_MOVW) Define.
9680 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9681 (ASM_SPEC): Add avr25.
9682 (LINK_SPEC): Add avr25.
9683 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9684 (base_arch_s): Add new member 'have_movw_lpmx'.
9685 (avr_arch_types): Init 'have_movw_lpmx'.
9686 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9687 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9688 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9689 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9690 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9692 (avr_file_start): Do not output '.arh' derective.
9693 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9694 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9695 * config/avr/avr.md (mcu_enhanced): Delete.
9696 (mcu_have_movw): Define.
9697 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9698 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9699 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9700 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9701 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9702 attiny861 and at86rf401 devices.
9704 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9706 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9709 2006-06-17 Karl Berry <karl@gnu.org>
9711 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9712 doc/gccint.texi, doc/install.texi (@dircategory): Use
9713 "Software development" instead of "Programming", following
9714 the Free Software Directory.
9716 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9718 * config/i386/i386.c (legitimate_tls_address)
9719 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9720 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9721 (*tls_dynamic_gnu2_combine_64): Likewise.
9723 2006-06-16 Richard Guenther <rguenther@suse.de>
9726 * fold-const.c (negate_expr_p): Do not introduce undefined
9727 overflow in negating INTEGER_CSTs.
9728 (fold_negate_expr): Rename from negate_expr. Revert last
9729 change for folding BIT_NOT_EXPR. Change semantics to
9730 return NULL_TREE for non-simplified negations. Do not
9731 strip type conversions and unify type handling.
9732 (negate_expr): New function, wrap around fold_negate_expr
9733 but ensure building a tree always. Strip type conversions
9734 here, fold to result type.
9735 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9737 2006-06-16 Roger Sayle <roger@eyesopen.com>
9740 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9741 that (would) return their results in stack registers.
9743 2006-06-16 Michael Matz <matz@suse.de>
9744 Richard Guenther <rguenther@suse.de>
9746 * fold-const.c (fold_truthop): Only return new tree node if
9747 we canonicalized something.
9749 2006-06-16 Richard Guenther <rguenther@suse.de>
9751 * function.h (enum function_frequency): Move declaration
9752 out of struct function.
9753 (struct function): Move bool fields and the enum to the bitfield
9754 section. Reorder elements to avoid padding. Remove unused
9755 fields left over from the RTL inliner removal.
9756 * function.c (free_after_compilation): Do not zero removed fields.
9757 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9758 (ipa-type-escape.o): Likewise.
9760 2006-06-16 Richard Guenther <rguenther@suse.de>
9762 * cgraph.h (struct cgraph_local_info): Turn bool elements
9764 (struct cgraph_node): Likewise.
9765 (struct cgraph_varpool_node): Likewise.
9767 2006-06-15 Richard Guenther <rguenther@suse.de>
9769 * fold-const.c (fold_truth_not_expr): Rename from
9770 invert_truthvalue. Give it fold_* semantics to avoid
9772 (invert_truthvalue): New function. Wrapper around
9773 fold_truth_not_expr.
9774 (optimize_minmax_comparison): Avoid creating garbage.
9775 (fold_unary): Use fold_truth_not_expr for folding
9777 (fold_ternary): Replace uses of invert_truthvalue with
9778 fold_truth_not_expr where applicable.
9779 * tree.h (fold_truth_not_expr): Prototype.
9781 2006-06-16 Richard Guenther <rguenther@suse.de>
9783 PR tree-optimization/27781
9784 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9785 * ipa-pure-const.c (target.h): Include.
9786 (analyze_function): Do not analyze functions that do not
9789 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9792 * tree-dfa.c (referenced_vars_dup_list): Remove.
9793 (find_referenced_vars): Remove assert.
9794 (referenced_var_check_and_insert): Replace dup list with assert.
9795 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9796 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9798 2006-06-15 Richard Guenther <rguenther@suse.de>
9800 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9801 extra unused identifiers if not dumping.
9802 (create_variable_info_for): Likewise.
9804 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9806 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9807 (derive_constant_upper_bound): Derive more precise upper bound in
9808 common cases. Return type changed to double_int.
9809 (record_estimate): Reflect the changed return type of
9810 derive_constant_upper_bound.
9811 * double-int.c (double_int_zext, double_int_sext): Fix.
9813 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9815 * configure.ac (CFLAGS): Get them from the toplevel or from the
9816 configure invocation.
9817 * configure: Regenerate.
9818 * Makefile.in (CFLAGS): Substitute value provided by configure.
9820 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9823 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9824 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9825 rather than calling add_stmt on it.
9826 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9828 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9831 * reload1.c (reload): Remove registers returned by update_eliminables
9832 from used_spill_regs.
9834 2006-06-13 DJ Delorie <dj@redhat.com>
9836 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9838 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9840 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9841 html__strip_dir, html__mkdir_p. Enhance install-html target.
9842 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9843 * configure: Regenerate.
9845 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9847 * fold-const.c (fold_cond_expr_with_comparison): Check for
9848 Objective-C++ as language in deciding COND_EXPR transformation.
9850 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9853 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9854 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9855 * config/sh/lib1funcs.h (SL, SL1): Define.
9856 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9857 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9858 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9859 (OBJS_Os_4_200): New variable.
9860 ($(T)libgcc-Os-4-200.a): Use it.
9861 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9862 when dividing 1 and/or by 0.
9864 2006-06-13 Roger Sayle <roger@eyesopen.com>
9866 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9867 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9868 * configure: Regenerate.
9870 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9872 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9873 for real instruction.
9875 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9878 * haifa-sched.c (check_cfg): Handle special case.
9880 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9883 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9884 Add debug_info parameter. Chain the vars to the BLOCK instead
9885 of the BIND_EXPR if debug info are requested for them.
9886 (pop_gimplify_context): Adjust for above change.
9887 (gimple_add_tmp_var): Likewise.
9888 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9890 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9891 (convert_local_reference): Likewise.
9892 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9893 (finalize_nesting_tree_1): Request that debug info be emitted
9894 for debug_var_chain.
9896 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9898 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9899 for PR target/27863.
9901 2006-06-13 Richard Guenther <rguenther@suse.de>
9904 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9906 2006-06-13 Richard Guenther <rguenther@suse.de>
9908 PR tree-optimization/27830
9909 * tree-inline.c (copy_body_r): For copying the operand
9910 of an ADDR_EXPR make sure to fold &* afterwards.
9912 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9914 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9915 lvalues in the fb_none case with side-effects.
9917 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9919 * tree-flow.h: Remove the prototype for
9920 compute_phi_arg_on_exit.
9921 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9922 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9925 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9927 * builtins.c (expand_builtin_return_addr): Only use
9928 frame_pointer_rtx when count == 0 and we are expanding
9929 __builtin_return_address.
9931 2006-06-12 Fred Fish <fnf@specifix.com>
9933 * config/mips/mips.c (mips_file_start): Create special section
9934 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9936 2006-06-11 Eric Christopher <echristo@apple.com>
9939 * stor-layout.c (place_field): Remove check for
9940 remaining_in_alignment when aligning at the end of a run.
9942 2006-06-11 Eric Christopher <echristo@apple.com>
9945 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9948 2006-06-11 Roger Sayle <roger@eyesopen.com>
9951 Revert incorrect fix for PR target/27158
9952 2006-05-08 Roger Sayle <roger@eyesopen.com>
9953 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9954 of a reg_equiv_constant if the result is a legitimate constant.
9956 2006-06-11 Roger Sayle <roger@eyesopen.com>
9959 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9960 extract a CONST_VECTOR element and interpret it as an integer.
9961 (vspltis_constant): Use const_vector_elt_as_int instead of the
9962 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9963 * config/rs6000/predicates.md (easy_vector_const): Consider
9964 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9966 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9969 * stor-layout.c (update_alignment_for_field): Don't add extra
9970 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9973 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9975 * config/mips/t-rtems: Add EL/EB multilib variants.
9977 2006-06-09 Mike Stump <mrs@apple.com>
9979 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9981 2006-06-09 David Daney <ddaney@avtrex.com>
9983 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9985 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9987 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9989 2006-06-09 Richard Guenther <rguenther@suse.de>
9991 PR tree-optimization/26998
9992 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9993 of signed types, only TYPE_MIN_VALUE is special, but for both,
9994 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9995 in this case, as is -fwrapv.
9997 2006-06-08 Mike Stump <mrs@apple.com>
10000 * config/darwin.c (darwin_asm_output_anchor): Disable
10001 -fsection-anchors on darwin for now.
10002 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10003 * rs6000/rs6000.c (optimization_options): Likewise.
10005 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10008 * config/i386/i386.c (classify_argument): Skip fields with invalid
10011 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10013 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10014 (cse_insn): Likewise for the stack_pointer_rtx.
10016 2006-06-08 Roger Sayle <roger@eyesopen.com>
10018 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10019 conditions from floating point comparisons.
10021 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10023 PR middle-end/27733
10024 * expmed.c (struct alg_hash_entry): Fix type of field T
10025 to match synth_mult argument.
10026 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10028 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10031 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10034 2006-06-08 Richard Guenther <rguenther@suse.de>
10036 PR middle-end/27116
10037 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10038 only, if overflow is defined and not trapping.
10039 (negate_expr): Likewise.
10041 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10043 PR tree-optimization/27872
10044 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10045 flag on the new exit edge of the unrolled loop.
10047 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10049 PR rtl-optimization/26449
10050 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10052 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10054 PR middle-end/27793
10055 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10056 referenced_variables with matching DECL_UID's.
10057 (find_referenced_vars): Make sure duplicate list is empty to start.
10058 (referenced_var_p): Remove.
10059 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10060 Check if var is in the list, and add if needed. Update the duplicate
10061 list if a different var is in the list with the same DECL_UID.
10062 (add_referenced_var): Call routine to check and insert.
10063 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10064 * tree-flow.h (referenced_vars_dup_list): External declaration.
10066 2006-06-07 Fred Fish <fnf@specifix.com>
10068 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10071 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10074 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10075 the imaginary and real parts of a clobbered register.
10076 Emit insn to set the imaginary part.
10078 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10080 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10081 in lieu of unwind-dw2-fde.c.
10083 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10085 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10087 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10090 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10091 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10092 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10093 V4SImode temporaries and operations instead.
10095 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10097 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10100 2006-06-06 Mike Stump <mrs@apple.com>
10102 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10103 installing during build.
10105 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10107 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10109 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10110 * config/ia64/ia64.c (params.h): New header.
10111 (ia64_optimization_options): New function to adjust parameters.
10112 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10113 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10114 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10116 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10118 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10120 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10123 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10125 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10126 Victor Kaplansky <victork@il.ibm.com>
10128 PR tree-optimization/26360
10129 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10132 2006-06-04 Roger Sayle <roger@eyesopen.com>
10133 Andrew Pinski <pinskia@physics.uc.edu>
10135 PR middle-end/27382
10136 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10137 for LABEL_DECL before calling DECL_WEAK.
10140 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10141 LABEL_DECL and PARM_DECL.
10143 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10147 * c-decl.c (grokdeclarator): Disallow variably modified types at
10148 file scope. Avoid marking shared array type of constant size as
10151 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10154 * c-common.c (fold_offsetof_1): Handle static members.
10156 2006-06-04 Eric Christopher <echristo@apple.com>
10158 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10159 (debug_rli): Output value for remaining_in_alignment.
10160 (update_alignment_for_field): Unconditionalize
10161 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10162 extra alignment code.
10163 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10164 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10165 * tree.h (record_layout_info_s): Remove prev_packed.
10166 * doc/extend.texi (ms_struct): Add documentation of format.
10168 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10170 * tree.h: Declare folding_initializer.
10171 * builtins.c (fold_builtin_constant_p): Give definite answer
10172 if folding inside an initializer.
10173 * fold-const.c: Define folding_initializer.
10174 (START_FOLD_INIT): Save and then set folding_initializer.
10175 (END_FOLD_INIT): Restore folding_initializer.
10177 2006-06-04 Richard Guenther <rguenther@suse.de>
10179 PR tree-optimization/27039
10180 * fold-const.c (fold_comparison): Handle pointer comparison
10181 again for all comparison codes. Compare offsets in signed
10183 (fold_binary): Move code from here.
10185 2006-06-03 Roger Sayle <roger@eyesopen.com>
10188 * config/i386/i386.c (construct_container): Split static issued_error
10189 flag into issued_sse_arg_error, issued_sse_ret_error and
10190 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10191 requires the use of x87 registers and the user explicitly
10192 specified the -mno-80387 command line option.
10194 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10196 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10197 HAVE_DECL_SIGALTSTACK.
10199 (segv_handler): Use MC_FLD.
10200 * configure.ac: Check for a sigaltstack declaration.
10201 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10202 * configure: Regenerate.
10203 * config.in: Regenerate.
10205 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10208 * Makefile.in (stmp-fixinc): Fix typo.
10210 2006-06-02 Roger Sayle <roger@eyesopen.com>
10212 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10213 are type correct. Clean-up.
10214 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10215 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10217 2006-06-01 DJ Delorie <dj@redhat.com>
10219 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10220 shift, as we've disabled the "switch" insn that needs it.
10222 2006-06-01 Per Bothner <bothner@bothner.com>
10224 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10225 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10226 * c-ppoutput.c (cb_define): Don't increment line 0.
10228 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10230 * doc/invoke.texi: Add cpu_type power6.
10231 * config.gcc: Add cpu_type power6.
10232 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10233 to power5+ with Altivec.
10234 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10235 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10237 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10239 * config/avr/avr.h (SET_ASM_OP): Define.
10241 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10243 * config/bfin/bfin.c: Fix comment typos.
10245 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10248 * doc/install.texi: Document --enable-bootstrap and
10249 --disable-bootstrap.
10251 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10253 * doc/install.texi: Document that InfoZIP can replace jar.
10255 2006-05-31 Roger Sayle <roger@eyesopen.com>
10257 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10258 isn't available, directly generate the simpler x87 patterns without
10259 the (use (const_int 0)).
10260 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10261 implementation isn't available.
10262 (*negdf2_1): Likewise.
10263 (*negxf2_1): XF mode negation is always done using the x87.
10264 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10266 2006-05-31 Roger Sayle <roger@eyesopen.com>
10268 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10269 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10271 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10273 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10275 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10276 * config/bfin/bfin.c (basic-block.h): Include.
10277 (struct machine_function): New.
10278 (bfin_init_machine_status): New.
10279 (override_options): Initialize init_machine_status.
10280 (bfin_hardware_loop): New.
10281 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10282 (DEF_VEC_P (loop_info)): New.
10283 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10284 (struct loop_info): New.
10285 (loop_info): New typedef.
10286 (struct loop_work): New.
10287 (loop_work): New typedef.
10288 (DEF_VEC_O (loop_work)): New.
10289 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10290 (bfin_dump_loops): New.
10291 (bfin_bb_in_loop): New.
10292 (bfin_scan_loop): New.
10293 (bfin_optimize_loop): New.
10294 (bfin_reorg_loops): New.
10295 (bfin_reorg): Use bfin_reorg_loops.
10296 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10298 (I_REGNO_P): Simplify.
10299 (DP_REGNO_P, DPREG_P): New macros.
10300 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10301 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10302 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10303 Add LT_REGS, LC_REGS, LB_REGS.
10304 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10306 (REGNO_REG_CLASS): Deal with loop registers.
10307 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10309 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10310 New constants for loop registers.
10311 (UNSPEC_LSETUP_END): New.
10312 (seq_insns): New define_attr. Set it for appropriate insns.
10313 (movsi_insn): Add alternatives for move from/to
10314 loop count registers.
10315 (doloop_end): New define_expand.
10316 (loop_end): New define_insn.
10317 (define_split for bad doloop_end): New.
10318 (lsetup_with_autoinit): New define_insn.
10319 (lsetup_without_autoinit): New define_insn.
10320 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10321 * config/bfin/predicates.md (lc_register_operand): New.
10322 (lt_register_operand): New.
10323 (lb_register_operand): New.
10324 (nondp_register_operand): New.
10325 (nondp_reg_or_memory_operand): New.
10326 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10328 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10330 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10331 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10333 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10335 * Makefile.in (CATALOGS): Add po/ prefix.
10336 * configure: Regenerated.
10338 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10341 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10342 a shift operand before calling shift_op. Avoid redundant call of
10345 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10346 DJ Delorie <dj@redhat.com>
10348 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10349 we're inserting is a singlt-bit constant.
10351 2006-05-30 Roger Sayle <roger@eyesopen.com>
10353 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10354 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10356 2006-05-30 Roger Sayle <roger@eyesopen.com>
10358 PR tree-optimization/23452
10359 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10360 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10361 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10362 complex values and with -ffast-math for FP complex values.
10364 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10366 * c-common.h: Remove the prototype for yyparse.
10367 * rtl.h: Remove the prototype for init_loop.
10369 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10371 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10374 2006-05-30 Roger Sayle <roger@eyesopen.com>
10376 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10378 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10379 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10381 2006-05-30 Dirk Mueller <dmueller@suse.de>
10384 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10385 for CONSTANT_CLASS_P expresisons.
10387 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10390 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10392 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10394 PR tree-optimization/27779
10395 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10396 initial_condition instead of CHREC_LEFT.
10398 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10400 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10401 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10402 Make prototypes ISO C90.
10404 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10405 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10407 * see.c (see_analyze_one_def): Correct check.
10408 (see_get_extension_data): Check if extension is parallel.
10409 (see_get_extension_reg): Likewise.
10411 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10414 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10415 into register for (code == GTU).
10417 2006-05-29 Roger Sayle <roger@eyesopen.com>
10419 PR tree-optimization/24964
10420 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10421 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10422 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10423 abs(x)*abs(x) as x*x for scalar floating point modes.
10425 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10427 PR middle-end/27745
10428 * lambda-code.c (perfect_nestify): Don't copy statements
10429 in the inner loop: move them to the inner loop header.
10431 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10434 * c-tree.texi: Document OpenMP directives and clauses.
10436 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10438 * varasm.c (globalize_decl): Fix indentation.
10440 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10443 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10444 pass_fre, pass_store_ccp, pass_copy_prop,
10445 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10446 pass_return_slot, pass_object_size, pass_lim,
10447 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10448 pass_loop_prefetch and pass_stdarg.
10450 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10452 * config/bfin/bfin.opt (mfdpic): New option.
10453 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10454 (EXTRA_MULTILIB_PARTS): Likewise.
10455 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10456 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10458 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10459 (CRT_CALL_STATIC_FUNCTION): New.
10460 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10462 (CRT_CALL_STATIC_FUNCTION): New.
10463 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10465 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10466 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10467 (initialize_trampoline): Changed to handle FD-PIC code generation.
10468 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10469 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10470 (override_options): Disallow -mid-shared-library -mfdpic combination.
10471 Can't do unaligned ops if FD-PIC.
10472 Turn off flag_pic if trying to generate non-id-shared-library
10473 non-fdpic code, since it's not supported.
10474 (bfin_assemble_integer): New function.
10475 (TARGET_ASM_INTEGER): Define.
10476 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10478 * config/bfin/crtn.s: Restore them.
10479 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10481 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10482 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10483 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10484 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10485 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10487 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10488 FDPIC_REGS and FDPIC_FPTR_REGS.
10489 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10490 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10491 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10492 (load_funcdescsi): New pattern.
10493 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10494 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10495 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10497 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10499 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10502 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10504 * tree-flow.h: Remove the prototype for add_type_alias.
10505 * tree-ssa-alias.c (add_type_alias): Remove.
10507 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10509 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10510 config/fr30/fr30.md, config/i386/i386-interix.h,
10511 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10512 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10513 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10514 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10515 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10516 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10517 Follow spelling conventions.
10518 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10519 Follow spelling conventions.
10521 2006-05-27 Richard Guenther <rguenther@suse.de>
10523 PR middle-end/27773
10524 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10525 to produce a constant of value 1 of generic type.
10527 2006-05-27 Dirk Mueller <dmueller@suse.de>
10529 * cgraphunit.c (decide_is_function_needed): Fix wrong
10532 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10534 PR rtl-optimization/27661
10535 * reload.c (find_reloads): When reloading a VOIDmode constant
10536 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10537 use Pmode as mode of the reload register.
10539 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10541 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10542 is enabled at -O and above.
10544 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10547 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10550 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10553 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10554 for anonymous variables explicitly declared by front ends.
10556 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10558 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10559 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10560 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10561 ref-all pointers, run a finalization pass for them.
10562 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10563 (finalize_ref_all_pointers): New function.
10564 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10565 regular pointer type to a ref-all pointer type.
10566 (get_tmt_for): Return the special memory tag for ref-all pointers.
10568 2006-05-25 Richard Guenther <rguenther@suse.de>
10570 PR middle-end/27743
10571 * fold-const.c (fold_binary): Do not look at the stripped
10572 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10574 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10576 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10577 for LT and GT if the computed range is effectively empty.
10579 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10582 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10583 mips_quad_format formats instead of ieee_single_format,
10584 ieee_double_format and ieee_quad_format formats, respectively.
10586 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10588 PR tree-optimization/27639
10589 PR tree-optimization/26719
10590 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10591 call to scev_probably_wraps_p.
10592 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10593 used_in_pointer_arithmetic_p, convert_step): Removed.
10594 (nowrap_type_p): New function.
10595 (scev_probably_wraps_p): Rewritten.
10596 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10597 chrec_convert if chrec_convert_aggressive might have been used.
10598 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10599 scev_direction): New functions.
10600 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10601 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10602 instead of convert_step.
10603 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10604 (convert_step): Declaration removed.
10605 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10607 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10609 * df-core.c: Added to header comments.
10610 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10611 df_ur_bb_info, df_urec_bb_info): Added comments.
10612 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10613 urec, ri problems): Fixed header comments.
10614 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10615 code from df_rd_transfer_function.
10617 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10619 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10620 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10621 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10623 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10625 * expr.c (undefined_operand_subword_p): New.
10626 (emit_move_multi_word): Do not generate move from undefined bits
10627 of a paradoxical subreg.
10629 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10631 PR rtl-optimization/27736
10632 * combine.c (replaced_rhs_value): New variable.
10633 (combine_instructions): Set it.
10634 (distribute_notes): When distributing a note in replaced_rhs_insn,
10635 check whether the value was used in replaced_rhs_value.
10637 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10640 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10641 add_referenced_var instead of add_referenced_tmp_var.
10642 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10643 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10644 add_referenced_var.
10645 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10646 tree_optimize_tail_calls_1): Use add_referenced_var.
10647 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10648 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10649 Use add_referenced_var.
10650 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10651 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10652 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10653 Use add_referenced_var.
10654 * tree-dfa.c (struct walk_state): Remove.
10655 (find_referenced_vars): Remove walk state and vars_found hash table.
10656 (make_rename_temp): Use add_referenced_var.
10657 (find_vars_r): Pass less parameters to add_referenced_var.
10658 (referenced_var_p): New. Is var in referenced_var hash table.
10659 (referenced_var_insert): Assert var isn't already in hash table.
10660 (add_referenced_var): Don't need walk_state parameter. Add var if it
10661 isn't already in the hash table.
10662 (add_referenced_tmp_var): Remove.
10663 (find_new_referenced_vars_1): Use add_referenced_var.
10664 * tree-ssa-pre.c (create_expression_by_pieces,
10665 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10666 Use add_referenced_var.
10667 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10668 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10669 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10670 add_referenced_var.
10671 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10672 vect_create_data_ref_ptr, vect_create_destination_var,
10673 vect_init_vector, vect_build_loop_niters,
10674 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10675 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10676 Use add_referenced_var.
10677 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10678 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10679 (add_referenced_var): Add prototype.
10680 * tree-ssa-structalias.c (get_constraint_for,
10681 intra_create_variable_infos): Use add_referenced_var.
10683 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10685 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10686 big-endian paradoxical subregs.
10687 * var-tracking.c (struct micro_operation_def): Document that,
10688 for modify micro operations, insn is the subsequent instruction.
10689 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10690 (var_reg_set, var_mem_set): ... new functions.
10691 (add_stores): Record subsequent insn.
10692 (compute_bb_dataflow): Use new functions for MO_USE.
10693 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10694 notes after the insn, and modify notes before the insn known
10695 to be the subsequent one.
10696 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10698 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10701 * config/i386/i386.c (ix86_expand_builtin): Use
10702 gen_sse3_monitor64 for TARGET_64BIT.
10704 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10706 PR rtl-optimization/26375
10707 PR rtl-optimization/26855
10708 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10710 (df_ru_bb_local_compute): Reversed statements and removed bogus
10711 comment explaining why they should be in wrong order.
10712 (df_ru_dump, df_rd_dump): Enhanced debug info.
10713 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10715 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10716 reaching uses and fixed space problem.
10718 2006-05-23 Jan Hubicka <jh@suse.cz>
10720 * cgraphunit.c (decide_is_function_needed): Also nested functions
10721 and functions declared inline can be optimized out at -O0.
10723 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10725 * doc/install.texi (Configuration): Remove reference to CrossGCC
10726 FAQ which was gone.
10729 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10732 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10733 ix86_compare_emitted is non-NULL.
10735 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10738 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10741 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10743 PR rtl-optimization/25514
10744 * combine.c (replaced_rhs_insn): New variable.
10745 (combine_instructions): Set replaced_rhs_insn when trying to replace
10746 a SET_SRC with a REG_EQUAL note.
10747 (distribute_notes): Use replaced_rhs_insn when determining the live
10748 range of a REG_DEAD register.
10750 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10751 Anatoly Sokolov <aesok@post.ru>
10753 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10754 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10755 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10756 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10757 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10758 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10759 at90usb647, at90usb1286 and at90usb1287 devices.
10760 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10761 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10763 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10765 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10767 2006-05-22 Richard Guenther <rguenther@suse.de>
10770 2006-01-31 Richard Guenther <rguenther@suse.de>
10771 Paolo Bonzini <bonzini@gnu.org>
10773 * doc/install.texi (--disable-libgcc-math): Document.
10775 2006-05-22 Richard Guenther <rguenther@suse.de>
10778 2006-01-31 Richard Guenther <rguenther@suse.de>
10780 * doc/invoke.texi (-msselibm): Document.
10781 * target.h (expand_library_builtin): New target hook.
10782 * builtins.c (expand_builtin): Use expand_library_builtin.
10783 (default_expand_library_builtin): New function.
10784 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10785 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10786 (link_gcc_math_spec): Declare.
10787 (static_specs): Add link_gcc_math_spec.
10788 * expr.h (default_expand_library_builtin): Declare.
10789 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10790 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10791 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10792 * config/i386/i386.opt (msselibm): New target option.
10793 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10794 (ix86_init_sse_abi_builtins): New function.
10795 (ix86_expand_library_builtin): Likewise.
10796 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10797 (override_options): Handle error conditions wrt -msselibm.
10798 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10799 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10800 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10803 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10806 * c-common.c (self_promoting_args_p): Skip erroneous args.
10809 * c-decl.c (finish_struct): Skip erroneous fields.
10811 2006-05-22 Nick Clifton <nickc@redhat.com>
10813 * config/cris/cris.opt (march): Remove VarExists attribute.
10814 (max-stackframe=): Likewise.
10816 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10818 * doc/rtl.texi: Fix a typo.
10819 * see.c: Fix comment typos.
10821 * tree-ssa-structalias.h (alias_info): Remove num_references.
10823 2006-05-21 Mike Stump <mrs@apple.com>
10825 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10827 (darwin_pragma_options): Use BAD instead.
10828 (darwin_pragma_unused): Likewise.
10829 (darwin_pragma_ms_struct): Likewise.
10831 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10833 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10835 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10837 PR rtl-optimization/27671
10838 * simplify-rtx.c (simplify_relational_operation_1): Fix
10839 simplifications of (eq/ne (xor x y) y) and
10840 (eq/ne (xor x y) x).
10842 PR tree-optimization/26622.
10843 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10846 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10848 * tree-cfg.c: Prune whitespace.
10849 (debug_tree_cfg): Point to correct header containing the
10852 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10854 PR middle-end/25776
10855 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10857 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10859 PR middle-end/25776
10860 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10861 or sorry count is non zero.
10863 2006-05-20 Andreas Schwab <schwab@suse.de>
10865 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10867 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10868 Kenneth Zadeck <zadeck@naturalbridge.com>
10870 PR rtl-optimization/26855
10872 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10874 (df_scan_alloc): Added code to properly handle multiword hard
10875 registers and add all_blocks parameter.
10876 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10877 code to properly handle multiword hard registers.
10878 (df_rescan_blocks): Added code to remove deleted blocks from
10880 (df_ref_create_structure, df_ref_record): Added code to properly
10882 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10883 and set DF_REF_PARTIAL.
10884 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10885 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10886 (df_scan_add_problem): Added flags parameter.
10887 (df_ref_create_structure): Changed switching structure.
10888 (df_bb_refs_record): Fixed case where duplicate artificial refs
10889 were created. Changed location of flags.
10890 (df_record_entry_block_defs): Added code to make stack pointer
10891 live in entry block. Refined cases where frame pointer is needed.
10892 Changed location of flags.
10893 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10894 (df_set_state): Removed function.
10895 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10896 df_insn_create_insn_record, df_insn_refs_delete,
10897 df_ref_create_structure): Formatting changes.
10898 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10899 df_delete_basic_block): New function.
10900 (df_init): Changed location of flags.
10901 (df_add_problem): Added flags parameter and the way flags are
10903 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10904 debug_df_chain): Improved debugging output.
10905 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10906 (df_refs_chain_dump): Removed df parameter.
10907 (df_iterative_dataflow): Added consistency check.
10908 (df_prune_to_subcfg): Made public.
10909 (df_analyze_problem): Added blocks_to_init parameter and made
10911 (df_ref_record, df_bb_refs_record, df_mark_reg,
10912 df_record_exit_block_uses): Whitespace changes.
10913 (df_dump): Whitespace changes.
10914 * df.h: Some reordering to remove forward references.
10915 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10916 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10917 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10918 (dataflow.flags): New field.
10919 (df.flag): Deleted field.
10920 (df_alloc_function): Added additional bitmap parameter.
10921 (df_dependent_problem_function): New type.
10922 (df_problem.changeable_flags): New field.
10923 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10924 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10925 (df_mw_hardreg): New struct.
10926 (DF_INSN_UID_MWS): New macro.
10927 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10929 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10930 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10931 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10932 (df_set_state): Removed function.
10933 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10934 * df-problems.c (df_chain_dump): Removed df parameter.
10935 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10936 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10938 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10939 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10940 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10941 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10942 DF_REF_MUST_CLOBBER cases.
10943 (df_ru_bb_local_compute_process_def,
10944 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10945 df_lr_bb_local_compute, df_ur_bb_local_compute,
10946 df_chain_create_bb): Made subreg aware.
10947 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10948 df_lr_bb_local_compute, df_lr_bb_local_compute,
10949 df_chain_create_bb): Cleanup to use proper macros.
10950 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10951 code to fixup bitvectors.
10952 (df_ri_alloc): Cleared lifetime.
10953 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10954 df_create_unused_note): New function.
10955 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10956 REG_DEAD and REG_UNUSED notes as well as register information.
10957 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10958 df_chains_dump): Fixed crash if problem was never run.
10959 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10960 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10961 df_ri_add_problem): Processes flags in uniform manner.
10962 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10963 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10964 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10965 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10966 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10967 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10968 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10969 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10970 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10971 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10972 * see.c (see_initialize_data): Ditto.
10973 * final.c (rest_of_clean_state) Added regstack_completed.
10974 * rtl.h (regstack_completed): Ditto.
10975 * reg-stack.c (regstack_completed): Ditto.
10977 2006-05-19 Mike Stump <mrs@apple.com>
10979 * c-tree.h (default_conversion): Remove.
10980 * c-common.h (default_conversion): Add.
10982 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10984 * tree-vrp.c (valid_value_p): New function.
10985 (adjust_range_with_scev): Fail if the value of bound is not
10988 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10990 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10991 (mips_fallback_frame_state): Use syscall numbers to determine
10992 the appropriate li instruction for the current ABI. Only use
10993 __NR_sigreturn for o32.
10995 2006-05-19 Nicolas Setton <setton@adacore.com>
10997 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10998 * langhooks.c (lhd_dwarf_name): New function.
10999 * langhooks-def.h (lhd_dwarf_name): Declare.
11000 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11001 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11003 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11005 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11007 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11008 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11009 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11010 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11011 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11012 determine the size of Wtype, etc.
11013 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11014 (swfloatfuncs): New variable.
11015 (dwfloatfuncs): Likewise.
11016 (lib2funcs): Remove floating-point conversion functions from
11017 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11018 the set of conversion routines needed. Allow entries to specify
11019 an object name, filename and word size. Update users accordingly.
11020 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11021 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11025 2006-02-08 Roger Sayle <roger@eyesopen.com>
11028 * config/fixtfdi.c: New libgcc source file.
11029 * config/fixunstfdi.c: New source file.
11030 * config/floatditf.c: New source file.
11031 * config/floatunditf.c: New souce file.
11032 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11033 files above instead of config/mips/_tilib.c.
11034 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11036 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11038 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11039 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11041 2006-05-18 Mike Stump <mrs@apple.com>
11043 Fix up vla, vm and [*] sematics.
11049 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11050 (c_vla_unspec_p): Add.
11051 (c_vla_type_p): Add.
11052 * c-decl.c (struct c_scope): Add had_vla_unspec.
11053 (build_array_declarator): Add support for [*].
11054 (grokdeclarator): Likewise.
11055 (grokparms): Likewise.
11056 (get_parm_info): Likewise.
11057 * c-objc-common.c (c_vla_unspec_p): Likewise.
11058 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11059 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11060 typeof when argument is a variably modified type not inside sizeof or alignof.
11061 (c_parser_direct_declarator_inner): Propagate errors.
11062 (c_parser_sizeof_expression): Add support for [*].
11063 (c_parser_parms_declarator): Initialize had_vla_unspec.
11064 (c_parser_parms_list_declarator): Likewise.
11065 * c-typeck.c (c_vla_type_p): Add.
11066 (composite_type): Add support for vla compositing.
11067 (comptypes_internal): Add support for vla compatibility.
11068 (c_expr_sizeof_expr): Evaluate vla arguments.
11069 * tree.c (variably_modified_type_p): Update comment for [*].
11071 2006-05-18 Michael Matz <matz@suse.de>
11074 * config.host: Make assignments to host_xmake_file cumulative.
11075 * config.host (*-darwin*): Test $host, not $target.
11077 2006-05-12 Stuart Hastings <stuart@apple.com>
11079 * config/i386/i386.opt (-mstackrealign): New flag.
11080 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11081 (ix86_handle_cconv_attribute): Emit error when
11082 force_align_arg_pointer attribute collides with too many regparms.
11083 (ix86_function_regparm): Limit regparms when used with
11084 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11085 Support stack-realigning prologue in non-main functions. Emit
11086 warning for nested functions under -mstackrealign, emit error for
11087 nested functions with force_align_arg_pointer attribute.
11088 * doc/extend.texi (force_align_arg_pointer): Document it.
11089 * doc/invoke.texi (-mstackrealign): Document it.
11091 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11093 PR rtl-optimization/27477
11094 * combine.c (try_combine): Don't split a parallel consisting
11095 of two sets into two individual sets if both sets reference
11098 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11100 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11101 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11103 * doc/options.texi (VarExists): Updated.
11105 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11107 * unwind-dw2.c: Add declarations for uw_update_context and
11108 uw_frame_state_for.
11109 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11110 detected, advance frame state and context once to skip over stub.
11112 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11114 PR middle-end/20256
11115 PR middle-end/26435
11116 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11117 Call rewrite_into_loop_closed_ssa only when something changed.
11118 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11119 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11120 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11121 Test for perfect_nest_p here. Fix formating.
11122 (replace_uses_equiv_to_x_with_y): Fix formating.
11123 (stmt_uses_op): Removed.
11124 (can_convert_to_perfect_nest): Removed loopivs parameter.
11125 Complete the test by checking the scalar dependences.
11126 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11129 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11132 From Dan Kegel <dank@kegel.com>:
11133 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11135 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11137 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11138 if the element type is variably modified without recursing.
11140 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11142 PR middle-end/27332
11143 * tree-loop-linear.c (try_interchange_loops): Test for
11144 no data dependences.
11146 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11148 PR tree-optimization/27548
11149 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11150 range of ssa names that appear on abnormal edges.
11151 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11152 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11154 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11156 PR middle-end/27620
11157 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11159 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11161 PR middle-end/27415
11162 * tree.h (OMP_PARALLEL_COMBINED): Define.
11163 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11164 (new_omp_context): Add is_combined_parallel argument.
11165 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11166 new_omp_context caller.
11167 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11168 Adjust gimplify_scan_omp_clauses callers.
11169 (omp_is_private): Issue errors if iteration variable is firstprivate
11170 or reduction in the current context.
11171 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11172 on combined parallel workshare constructs.
11174 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11176 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11177 (gcc-options.o): New rule.
11179 * optc-gen.awk: Protect variables for gcc-options.o with
11180 #ifdef GCC_DRIVER/#endif.
11182 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11184 Fix PR tree-optimization/27373
11185 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11186 (forward_propagate_addr_expr): Update call.
11188 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11190 * doc/options.texi: Move the Negative option.
11192 2006-05-16 Richard Guenther <rguenther@suse.de>
11194 PR tree-optimization/22303
11195 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11197 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11198 ccp_fold did not simplify the statement.
11200 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11203 * Makefile.in (GCC_OBJS): New.
11204 (OBJS-common): Add opts-common.o.
11205 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11206 (cpp$(exeext)): Likewise.
11207 (gcc.o): Also depend on opts.h.
11208 (opts-common.o): New.
11210 * common.opt (gcoff): Add Negative(gdwarf-2).
11211 (gdwarf-2): Add Negative(gstabs).
11212 (gstabs): Add Negative(gstabs+).
11213 (gstabs+): Add Negative(gvms).
11214 (gvms): Add Negative(gxcoff).
11215 (gxcoff): Add Negative(gxcoff+).
11216 (gxcoff+): Add Negative(gcoff).
11217 * config/i386/i386.opt (m32): Add Negative(m64).
11218 (m64): Add Negative(m32).
11220 * doc/options.texi: Document the Negative option.
11222 * gcc.c: Include "opts.h".
11223 (main): Call prune_options after expandargv.
11225 * optc-gen.awk: Generate common declarations for all flag
11226 variables in options.c. Output the neg_index field.
11228 * opts.c (find_opt): Moved to ...
11229 * opts-common.c: Here. New file.
11231 * opts.h (cl_option): Add a neg_index field.
11233 (prune_options): Likewise.
11235 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11237 PR middle-end/27573
11238 * omp-low.c (expand_omp_parallel): Don't assert
11239 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11240 instead search for it.
11243 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11246 2006-05-16 Andreas Schwab <schwab@suse.de>
11248 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11251 2006-05-15 Roger Sayle <roger@eyesopen.com>
11254 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11255 integer constants other than zero are only legitimate on TARGET_64BIT.
11256 <CONST_VECTOR> Only zero vectors are legitimate.
11257 (ix86_cannot_force_const_mem): Integral and vector constants can
11258 always be put in the constant pool.
11260 2006-05-16 DJ Delorie <dj@redhat.com>
11262 * crtstuff.c (__dso_handle): Set section from
11263 TARGET_LBIGCC_SDATA_SECTION if defined.
11264 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11265 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11267 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11270 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11273 2006-05-16 Ben Elliston <bje@au.ibm.com>
11275 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11277 2006-05-15 Per Bothner <per@bothner.com>
11279 * tree.c: (last_annotated_node): Use source_locus typedef.
11280 This permits bootstrapping with --enable-mapped-location.
11282 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11284 PR tree-optimization/26830
11285 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11286 (info_for_ssa_name, current_info_for_ssa_name_age,
11287 blocks_to_update): New variables.
11288 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11289 (clear_ssa_name_info, initialize_flags_in_bb,
11290 mark_block_for_update): New functions.
11291 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11292 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11293 prepare_def_site_for): Use mark_block_for_update.
11294 (mark_def_interesting): Assert that the processed block is marked in
11295 blocks_to_update. Do not take blocks argument.
11296 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11298 (rewrite_update_init_block, rewrite_update_stmt): Only process
11299 blocks with statements to rewrite.
11300 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11301 (update_ssa): Initialize and free blocks_to_update. Do not
11302 clear flags on statements. Do not use blocks bitmap.
11303 * tree.h (SSA_NAME_AUX): Removed.
11304 (struct tree_ssa_name): Removed aux field.
11305 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11307 2006-05-15 Richard Guenther <rguenther@suse.de>
11309 PR tree-optimization/27603
11310 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11311 Do computations in original type.
11313 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11315 * see.c: Code style changes such as redundant paranthesis,
11316 redundant intialization of local variables etc.
11317 (see_main): Declared now as static.
11318 * doc/invoke.texi: Update that -fsee is not enabled by
11321 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11323 * omp-low.c (check_omp_nesting_restrictions): New function.
11324 (scan_omp_1): Call it.
11326 PR middle-end/27416
11327 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11328 construct, return *VAR.
11330 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11332 PR rtl-optimization/27406
11333 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11336 2006-05-14 Roger Sayle <roger@eyesopen.com>
11338 PR rtl-optimization/27538
11339 * combine.c (expand_compound_operation): Call gen_lowpart
11340 before calling simplify_shift_const.
11342 2006-05-14 Roger Sayle <roger@eyesopen.com>
11344 PR rtl-optimization/22563
11345 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11346 a fixed width bitfield, always force the intermediates into psuedos.
11348 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11351 * mkconfig.sh: Use operator = instead of == for test.
11353 2006-05-13 Nick Clifton <nickc@redhat.com>
11355 * dwarf2out.c (dbx_reg_number): Check return value from
11356 LEAF_REG_REMAP and only use it if it is valid.
11357 (multiple_reg_loc_descriptor): Likewise.
11359 2006-05-13 Richard Guenther <rguenther@suse.de>
11361 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11364 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11366 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11367 information attached to non-INSNs such as NOTEs.
11368 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11370 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11372 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11374 * config/s390/s390.md: Adjust comment describing On constraint.
11376 2006-05-11 Jan Hubicka <jh@suse.cz>
11378 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11379 to be output at -O0.
11381 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11383 PR middle-end/27384
11384 * fold-const.c (size_binop): Move sanity check for arguments to
11385 the beginning of the function.
11387 PR middle-end/27488
11388 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11391 2006-05-11 Richard Guenther <rguenther@suse.de>
11393 PR middle-end/27529
11394 * fold-const.c (fold_unary): Handle intermediate conversion
11395 to a pointer type like intermediate conversion to an integer
11396 type in folding of (T1)(T2)var to var.
11397 Match the code to the comment in the final conversion for
11398 (T1)(T2)var to (T1)var regarding to type precision. Rather
11399 than disallow T1 being of pointer type, assert that both T1
11400 and var are of pointer type or not. Make sure not to fall
11401 over the frontends lazyness wrt array to pointer decay though.
11403 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11405 * arm.c (arm_struct_value_rtx): Delete.
11406 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11407 (arm_init_cumulative_args): Always initialize nregs to zero.
11409 2006-05-10 Richard Guenther <rguenther@suse.de>
11411 PR tree-optimization/27532
11412 * tree-object-size.c (plus_expr_object_size): Fix typo.
11414 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11417 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11418 ashrdi_const, ashrdi3): Use a scratch register.
11420 2006-05-10 Richard Guenther <rguenther@suse.de>
11422 PR tree-optimization/27302
11423 * fold-const.c (operand_equal_p): For two comparisons,
11424 try comparison of one comparison code swapped if that yields
11427 2006-05-10 Ben Elliston <bje@au.ibm.com>
11429 * tree-pretty-print.c (pretty_print_string): No need to handle
11430 '\0' as a special character.
11432 * tree.h: Include "hashtab.h".
11433 (iterative_hash_expr): Use hashval_t in its prototype.
11434 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11436 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11439 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11440 (hppa*64*-*-hpux11*): Ditto.
11441 (hppa[12]*-*-hpux11*): Ditto.
11443 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11446 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11448 2006-05-09 Michael Matz <matz@suse.de>
11450 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11451 host_extra_gcc_objs and host_xmake_file.
11452 (<*-*-linux*>): Don't overwrite host_xmake_file.
11453 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11454 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11455 (host_detect_local_cpu): Declare.
11456 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11457 * config/i386/i386.c (override_options): Handle -mtune=native
11459 * config/i386/x-i386: New file.
11460 * config/i386/driver-i386.c: New file.
11461 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11464 2006-05-09 Dirk Mueller <dmueller@suse.de>
11465 Richard Guenther <rguenther@suse.de>
11467 PR middle-end/27498
11468 * fold-const.c (fold_read_from_constant_string): Relax check
11469 for matching types to matching modes.
11471 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11473 PR rtl-optimization/27335
11474 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11477 2006-05-08 Chao-ying Fu <fu@mips.com>
11478 Richard Sandiford <richard@codesourcery.com>
11480 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11481 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11482 * config/mips/mips.md (UNSPEC_SCC): New constant.
11483 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11484 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11485 (mips_emit_compare): Use it.
11486 (mips_expand_vcondv2sf): New function.
11488 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11490 Fix PR tree-optimization/27093
11491 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11492 renaming when they become not-used_alone.
11494 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11496 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11497 relocation and relocation stubs.
11499 2006-05-08 Eric Christopher <echristo@apple.com>
11501 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11504 2006-05-08 Jan Hubicka <jh@suse.cz>
11506 PR middle-end/24561
11507 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11508 unused static functions are needed.
11510 2006-05-08 Roger Sayle <roger@eyesopen.com>
11513 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11514 of a reg_equiv_constant if the result is a legitimate constant.
11516 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11519 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11520 standard 80387 constants, raise the cost to prevent
11521 compress_float_constant() to generate load from memory.
11523 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11525 * config/arm/constraints.md (c): Fix a typo.
11527 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11530 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11533 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11535 (_mm_mwait): Likewise.
11537 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11539 (sse3_monitor): Make it 32bit only.
11540 (sse3_monitor64): New. 64bit monitor.
11542 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11545 * config/i386/i386.c (classify_argument): Skip fields with invalid
11548 2006-05-07 Richard Guenther <rguenther@suse.de>
11550 PR tree-optimization/27409
11551 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11552 Do not try to find zero-sized subvars.
11554 2006-05-07 Richard Guenther <rguenther@suse.de>
11556 PR tree-optimization/27136
11557 * tree-ssa-loop-niter.c (get_val_for): Correct function
11558 comment, assert requirements.
11559 (loop_niter_by_eval): Stop processing if the iterated
11560 value did not simplify.
11562 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11564 * opts.c (flag_see): remove its setting at -O3.
11566 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11568 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11569 * arm/constraints.md: New file.
11570 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11571 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11572 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11573 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11574 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11575 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11576 * arm.md: Include constraints.md.
11577 (thumb_movsi_insn): Use satisfies_constraint_J.
11578 (movhi, movqi): Use satisfies_constraint_I.
11580 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11582 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11583 for atmeg a645 device.
11585 2006-05-06 Richard Guenther <rguenther@suse.de>
11587 PR tree-optimization/27151
11588 * tree-vect-transform.c (vectorizable_condition): Punt on
11589 values that have a different type than the condition.
11591 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11594 * c-parser.c (c_parser_cast_expression): Only insert casts into
11595 hash table if pointer.
11596 * function.c (used_types_insert_helper): Rename from
11598 (used_types_insert): Call used_types_insert_helper.
11599 * function.h (used_types_insert): Accept only one argument.
11601 2006-05-05 David Edelsohn <edesohn@gnu.org>
11603 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11604 scratch with output modifier.
11606 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11609 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11610 with output modifier.
11612 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11615 * config/mips/mips.c (mips_symbolic_address_p): Return true
11616 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11617 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11619 2006-05-04 Richard Guenther <rguenther@suse.de>
11621 PR tree-optimization/14287
11622 PR tree-optimization/14844
11623 PR tree-optimization/19792
11624 PR tree-optimization/21608
11625 PR tree-optimization/27090
11626 * tree-ssa-pre.c (try_combine_conversion): New function.
11627 (compute_avail): After constructing the value-handle
11628 expression, use try_combine_conversion to combine NOP_EXPRs
11629 with previous value-handle expressions and use the result if it
11632 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11634 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11636 2006-05-04 Jan Hubicka <jh@suse.cz>
11638 PR middle-end/25962
11639 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11641 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11643 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11644 that this only matches CONST_INTs. All users changed to VOIDmode
11647 * config/bfin/bfin.c: Include "optabs.h".
11648 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11650 (enum bfin_builtins): Add a number of fractional and vector builtins.
11651 (bfin_init_builtins): Likewise.
11652 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11653 (safe_vector_operand, bfin_expand_binop_builtin,
11654 bfin_expand_unop_builtin): New functions.
11655 (bfin_expand_builtin): Handle the new builtins.
11656 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11659 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11662 * Makefile.in (OBJS-common): Add see.o.
11663 (see.o): Add dependencies.
11664 * common.opt (fsee): New flag for the see optimization was added.
11665 * opts.c (flag_see): Initialized.
11666 * passes.c (init_optimization_passes, pass_see): New pass.
11667 * rtl.h (see_main): Declaration as extern.
11668 * timevar.def (TV_SEE): New.
11669 * tree-pass.h (pass_see): Declaration as extern.
11670 * invoke.texi (-fsee): Document.
11671 * recog.c (validate_simplify_insn): New function.
11672 * recog.h (validate_simplify_insn): Declaration as extern.
11673 * df-problems.c (df_chain_dump): Check for NULL.
11675 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11676 Daniel Berlin <dberlin@dberlin.org>
11678 * cfgrtl.c (insert_insn_bb_end_new): New function.
11679 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11681 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11683 * df.h (struct web_entry): Moved from web.c.
11684 (union_defs): Declaration as extern.
11685 (unionfind_root): Likewise.
11686 (unionfind_union): Likewise.
11687 * web.c (struct web_entry): Moved to df.h.
11688 (unionfind_root): Remove static declaration.
11689 (unionfind_union): Likewise.
11690 (union_defs): Likewise and generalize to use callback function.
11691 (web_main): Update arguments for union_defs function call.
11693 2006-05-04 Richard Guenther <rguenther@suse.de>
11695 PR tree-optimization/26447
11696 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11697 produce SSA_NAME copies before the store stmt to avoid
11698 breaking exception handling.
11700 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11702 PR middle-end/27388
11703 * gimplify.c (omp_is_private): If var is shared in some outer context,
11704 return false instead of true. Stop searching on parallel context
11707 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11710 * coverage.c: Use get_gcov_unsigned_t() instead of
11711 unsigned_type_node all over.
11713 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11715 PR tree-optimization/27381
11716 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11717 maintain the same immediate_use links.
11718 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11719 node rather than segfaulting.
11721 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11724 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11725 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11726 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11728 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11730 Fix PR tree-optimization/26626
11731 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11733 * tree-ssa-operands.c (access_can_touch_variable): Allow
11734 typecasting through union pointers.
11736 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11739 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11740 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11741 to find if var will be a global variable even in the nested context.
11742 (omp_copy_decl): Only check for global variable at the end, it might
11743 be overridden in outer contexts.
11744 (scan_sharing_clauses): For global variables don't create a field.
11745 (lower_rec_input_clauses): Do nothing for global shared variables.
11746 Emit a barrier at the end of ILIST if there were any decls in both
11747 firstprivate and lastprivate clauses.
11748 (lower_send_clauses): Do nothing for global variables except for
11751 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11753 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11754 of the correct signedness is returned.
11756 2006-05-02 Jeff Law <law@redhat.com>
11758 PR tree-optimization/27364
11759 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11760 multiply expressions.
11762 2006-05-02 Tom Tromey <tromey@redhat.com>
11764 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11766 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11769 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11770 -mthumb -fPIC are used.
11772 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11773 Joshua Kinard <kumba@gentoo.org>
11776 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11777 with 64-bit pointers.
11779 2006-05-02 Paul Brook <paul@codesourcery.com>
11781 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11783 (create_fix_barrier): Check that a suitable barrier location is
11785 (arm_reorg): Include ftmp->address in allowable range of addresses.
11787 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11790 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11793 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11795 PR middle-end/27337
11796 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11797 around RESULT_DECL for result passed by reference.
11798 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11799 * omp-low.c (use_pointer_for_field): Don't look at
11800 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11801 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11802 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11803 time or var for passing by reference for
11804 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11805 TREE_ADDRESSABLE variables when passing by reference.
11807 * omp-low.c (dump_omp_region): Fix output formatting.
11809 PR middle-end/27328
11810 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11811 (expand_omp_parallel): Likewise.
11812 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11814 PR middle-end/27325
11815 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11816 on statement list containing also constructors and destructors.
11817 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11819 PR middle-end/27310
11820 * except.c (duplicate_eh_regions): Fix clearing of
11821 cfun->eh->region_array entries.
11823 2006-05-01 DJ Delorie <dj@redhat.com>
11825 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11827 (gcc_cv_objdump): Likewise.
11828 * configure: Regenerated.
11830 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11833 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11834 templates for case 3 and 4.
11836 2006-05-01 DJ Delorie <dj@redhat.com>
11838 * vec.c: Include bconfig.h when appropriate.
11839 * Makefile.in (build/vec.o): Adjust dependencies.
11840 * mkconfig.sh: Make sure config.h isn't used for build machine
11843 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11845 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11847 (mark_phi_for_rewrite): New function.
11848 (insert_phi_nodes_for, mark_use_interesting): Call
11849 mark_phi_for_rewrite.
11850 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11851 (update_ssa): Initialize and free phis_to_rewrite.
11853 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11855 PR rtl-optimization/27291
11856 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11857 folded to a constant.
11859 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11861 PR tree-optimization/27283
11862 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11863 not whole # of iteration descriptions.
11864 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11865 uses abnormal ssa name.
11866 (niter_for_single_dom_exit): Ditto.
11867 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11868 return just the number of iterations.
11870 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11872 PR tree-optimization/27144
11873 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11874 (record_estimate): Only record constant upper bound.
11875 (infer_loop_bounds_from_undefined): Call
11876 compute_estimated_nb_iterations just once.
11877 (proved_non_wrapping_p): Renamed to ...
11878 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11879 (convert_step_widening, scev_probably_wraps_p): Call
11880 n_of_executions_at_most instead of proved_non_wrapping_p.
11881 (substitute_in_loop_info): Do not replace values in bounds.
11882 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11885 2006-05-01 Richard Henderson <rth@redhat.com>
11888 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11889 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11892 2006-05-01 Roger Sayle <roger@eyesopen.com>
11894 * c-typeck.c (parser_build_binary_op): Don't call the function
11895 unsigned_conversion_warning to spot operand/result type overflow.
11896 (build_binary_op): Instead, call convert_and_check instead of
11897 convert to report the problem when the operands are promoted.
11898 * c-common.c (unsigned_conversion_warning): Make static.
11899 * c-common.h (unsigned_conversion_warning): Delete prototype.
11901 2006-05-01 Richard Guenther <rguenther@suse.de>
11903 PR tree-optimization/26726
11904 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11906 (find_interesting_uses_address): ... we work around here
11907 by folding INDIRECT_REFs in the substituted base.
11909 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11911 * omp-low.c (dump_omp_region): Add newlines.
11913 2006-04-30 Roger Sayle <roger@eyesopen.com>
11915 * common.opt (Woverflow): New command line option.
11916 * c-common.c (constant_expression_warning): Check warn_overflow.
11917 (overflow_waring): Pass OPT_Woverflow to warning.
11918 (unsigned_conversion_warning): Likewise.
11919 (convert_and_check): Likewise.
11920 * doc/invoke.texi: Document new command line option.
11922 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11924 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11925 TARGET_NO_FP_IN_TOC for section anchors.
11926 (optimization_options): Enable section anchors for all
11927 non-"Objective" languages.
11929 2006-04-28 Eric Christopher <echristo@apple.com>
11931 * config/darwin-c.c (darwin_ms_struct): Move this
11932 (darwin_set_default_type_attributes): and this...
11933 * config/darwin.c: ... here.
11934 * config/darwin.h (darwin_ms_struct): Declare.
11936 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11938 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11940 2006-04-28 Roger Sayle <roger@eyesopen.com>
11943 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11944 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11945 an unsigned HOST_WIDE_INT.
11946 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11948 (really_start_incremental_init): No need to call convert because
11949 bitsize_zero_node is already of type bitsizetype.
11950 (push_init_level): Extract the value of constructor_index as an
11951 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11952 (process_init_element): Likewise.
11954 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11956 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11957 value before passing to make_relative_prefix.
11959 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11961 PR middle-end/27260
11962 * builtins.c (expand_builtin_memset): Expand val in original mode.
11964 2006-04-27 Eric Christopher <echristo@apple.com>
11966 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11967 with #ifndef/#endif.
11968 * config/darwin-c.c (darwin_ms_struct): New.
11969 (darwin_pragma_ms_struct): Ditto.
11970 (darwin_set_default_type_attributes): Ditto.
11971 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11972 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11973 Register ms_struct pragma.
11974 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11975 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11976 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11977 darwin_set_default_type_attributes if TARGET_MACHO.
11979 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11981 PR tree-optimization/26854
11982 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11983 * doc/tree-ssa.texi: Update immuse iterator documentation.
11984 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11985 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11986 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11987 first_safe_imm_use, next_safe_imm_use): Remove.
11988 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11989 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11990 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11991 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11992 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11993 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11994 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11995 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11996 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11997 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11998 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11999 (perfect_nestify): Use new iterator.
12000 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12002 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12003 (next_imm_name): New field in struct immediate_use_iterator_d.
12004 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12005 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12006 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12007 * tree-cfg.c (replace_uses_by): Use new iterator.
12008 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12009 * tree-ssa-operands.c (correct_use_link): Remove.
12010 (finalize_ssa_use_ops): No longer call correct_use_link.
12012 2006-04-27 Stuart Hastings <stuart@apple.com>
12014 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12015 * config/t-darwin (crt3.o): Use it.
12016 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12017 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12018 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12019 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12020 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12023 2006-04-27 Roger Sayle <roger@eyesopen.com>
12025 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12026 size, force the intermediate into a new pseudo rather instead of
12027 performing both a bitwise AND and a bitwise IOR in memory.
12029 2006-04-27 Richard Guenther <rguenther@suse.de>
12031 PR rtl-optimization/26685
12032 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12033 this one "max-flow-memory-locations".
12035 2006-04-27 Richard Guenther <rguenther@suse.de>
12037 PR tree-optimization/25148
12038 * tree-vrp.c (compare_values): Remove code dealing with
12039 comparisons against type min/max value. Honour overflow
12040 and negative constants in code dealing with comparisons
12041 of plus and minus expressions.
12042 (value_inside_range): Use fold_binary with LE_EXPR and
12043 GE_EXPR rather than compare_values.
12045 2006-04-27 Dirk Mueller <dmueller@suse.de>
12047 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12050 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12052 * basic-block.h (safe_insert_insn_on_edge): Removed.
12053 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12055 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12056 Paolo Bonzini <bonzini@gnu.org>
12058 PR middle-end/27282
12059 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12060 (simplify_and_const_int): Same.
12062 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12064 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12066 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12069 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12070 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12071 cgraph_global_info_ready.
12073 PR middle-end/26913
12074 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12077 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12078 either decl or init is error_mark_node.
12080 PR middle-end/25989
12081 * tree-flow.h (struct omp_region): Add sched_kind.
12082 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12083 instead of extracting omp for data.
12084 (expand_omp_for): Save extracted sched_kind.
12086 2006-04-25 Roger Sayle <roger@eyesopen.com>
12088 * expmed.c (store_bit_field): Also check whether the bitsize is
12089 valid for the machine's "insv" instruction before moving the
12090 target into a pseudo for use with the insv.
12091 * config/i386/predicates.md (const8_operand): New predicate.
12092 * config/i386/i386.md (extv, extzv, insv): Use the new
12093 const8_operand predicate where appropriate.
12095 2006-04-25 DJ Delorie <dj@redhat.com>
12097 * doc/install.texi (Specific): Clarify that this is not a list of
12098 supported hosts or targets.
12100 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12102 PR rtl-optimization/26725
12103 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12104 block's BB_DIRTY flag.
12106 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12108 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12111 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12112 to print an integer.
12114 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12116 * varasm.c (align_variable): New function.
12117 (get_block_for_decl): Apply align_variable to DECL before
12118 calculating section information.
12119 (assemble_variable): Split out alignment computation.
12121 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12123 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12126 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12128 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12129 MODE_PARTIAL_INT mode.
12130 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12131 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12133 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12134 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12136 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12138 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12140 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12141 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12142 MACFLAG_IH): Likewise.
12143 (movstricthi_1): Renamed from "*movstricthi".
12144 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12145 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12146 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12147 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12148 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12149 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12150 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12151 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12152 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12153 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12154 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12155 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12156 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12157 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12158 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12160 * doc/rtl.texi (ss_ashift): Improve wording.
12162 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12164 * dwarf2out.c (verify_marks_clear): New.
12165 (prune_unused_types): Call verify_marks_clear initially, not
12168 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12170 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12171 * doc/rtl.texi: Document them.
12172 * simplify-rtx.c (simplify_unary_operation,
12173 simplify_binary_operation_1): Don't abort when we see them.
12175 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12178 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12179 * configure.ac: Completely disregard languages that are not
12181 * configure: Regenerated.
12183 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12184 Richard Guenther <rguenther@suse.de>
12186 PR tree-optimization/27236
12187 * tree-inline.c (copy_body_r): Make sure to copy
12188 TREE_THIS_VOLATILE flag.
12190 2006-04-24 Richard Guenther <rguenther@suse.de>
12192 PR middle-end/26869
12193 * tree-complex.c (update_parameter_components): Don't handle
12194 unused parameters which have no default def.
12196 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12197 Richard Guenther <rguenther@suse.de>
12199 PR tree-optimization/27218
12200 * tree-inline.c (expand_call_inline): Strip useless type
12201 conversions for the return slot address.
12203 2006-04-24 Richard Guenther <rguenther@suse.de>
12205 * cfgloop.h (struct loops): Remove unused field array. Reorder
12207 (LOOP_PREFETCH): Remove.
12209 2006-04-24 Richard Guenther <rguenther@suse.de>
12211 PR tree-optimization/22525
12212 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12213 variable, adjust types of generated expressions.
12215 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12217 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12218 (tree-vect-patterns.o): Likewise.
12219 (jump.o): Likewise.
12220 (cselib.o): Likewise.
12221 (loop-doloop.o): Likewise.
12222 (regclass.o): Likewise.
12223 (reload1.o): Likewise.
12224 (explow.o): Replace target.h with $(TARGET_H).
12225 (ipa-prop.o): Likewise.
12226 (ipa-cp.o): Likewise.
12227 (ipa-inline.o): Likewise.
12228 (reorg.o): Likewise.
12229 (reg-stack.o): Likewise.
12231 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12233 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12235 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12237 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12239 * configure.ac: Completely disregard languages that are not
12241 * configure: Regenerated.
12244 * c-common.h (c_build_bitfield_integer_type): Declare.
12245 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12246 * c-common.c (c_build_bitfield_integer_type): ... here.
12248 2006-04-23 Roger Sayle <roger@eyesopen.com>
12251 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12252 a SImode SUBREG of a floating point register after no_new_pseudos.
12254 2006-04-23 Roger Sayle <roger@eyesopen.com>
12256 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12257 identify potentially eliminable registers to additionally catch
12258 VIRTUAL_INCOMING_ARGS_REGNUM.
12259 (addsi3): Update the conditions on when to use addsi_small_int.
12261 2006-04-23 Roger Sayle <roger@eyesopen.com>
12264 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12265 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12266 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12268 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12270 * fold-const.c (range_predecessor): Use operand_equal_p
12271 as the predicate for equality.
12272 (range_successor): Likewise.
12274 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12277 * config/soft-fp/op-common.h: Fix a typo.
12279 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12281 PR libmudflap/26864
12282 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12283 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12285 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12287 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12289 * doc/tm.texi: Fix a typo.
12291 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12293 * dwarf2out.c (struct die_struct): Document that die_sib makes
12294 a circular linked list.
12295 (FOR_EACH_CHILD): New.
12296 (reverse_die_lists): Delete.
12297 (reverse_all_dies): Delete.
12298 (add_dwarf_attr): Correct documentation.
12299 (remove_child_with_prev): New.
12300 (remove_child_TAG): Update for change to die_struct, use
12301 remove_child_with_prev.
12302 (add_child_die): Update for change to die_struct.
12303 (splice_child_die): Use remove_child_with_prev and add_child_die.
12304 (print_die): Use FOR_EACH_CHILD.
12305 (die_checksum): Likewise.
12306 (assign_symbol_names): Likewise.
12307 (output_location_lists): Likewise.
12308 (build_abbrev_table): Likewise.
12309 (calc_die_sizes): Likewise.
12310 (mark_dies): Likewise.
12311 (unmark_dies): Likewise.
12312 (unmark_all_dies): Likewise.
12313 (output_die): Likewise.
12314 (prune_unused_types_mark): Likewise.
12315 (prune_unused_types_walk): Likewise.
12316 (same_die_p): Update for change to die_struct.
12317 (break_out_includes): Likewise.
12318 (prune_unused_types_prune): Likewise.
12319 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12320 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12321 it's already clear.
12322 (dwarf2out_finish): Don't call reverse_all_dies.
12324 2006-04-21 Eric Christopher <echristo@apple.com>
12326 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12327 in comments and function names.
12329 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12332 * c-typeck.c (digest_init): Robustify.
12334 * c-typeck.c (pop_init_level): Simplify.
12336 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12338 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12340 2006-04-21 Paul Brook <paul@codesourcery.com>
12342 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12343 hardware floating point.
12345 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12347 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12350 2006-04-21 Nick Clifton <nickc@redhat.com>
12352 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12355 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12358 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12359 C++ lang type in traceback table for Objective-C++.
12361 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12363 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12365 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12367 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12370 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12371 were errors. Remove check for erroneous objects.
12373 2006-04-20 Jeff Law <law@redhat.com>
12375 PR tree-optimization/26854
12376 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12377 checking for zero or one use.
12378 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12379 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12380 * tree-ssa-reassoc.c (negate_value): Similarly.
12381 (reassociate_bb): Similarly.
12383 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12386 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12387 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12388 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12390 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12392 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12393 fp regs if the last fp arg doesn't fit in regs.
12395 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12398 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12399 that the last insn has the REG_INC note.
12401 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12402 Nathan Sidwell <nathan@codesourcery.com>
12405 * stor-layout.c (update_alignment_for_field): Do not align
12407 (place_union_field): Place union field at the start of the union.
12408 (place_field): Move ERROR_MARK check later, and use the current
12409 allocation position to maintain monotonicity.
12411 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12413 * dominance.c: Include timevar.h.
12414 (calculate_dominance_info): Use TV_DOMINANCE.
12415 * timevar.def (TV_DOMINANCE): New timevar.
12416 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12418 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12420 PR rtl-optimization/14261
12421 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12422 move would be an INSV insn.
12423 (noce_process_if_block): Don't optimize if the destination is a
12424 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12426 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12428 * config/s390/s390.md: Add comments with the instructions emitted
12429 by an insn pattern if macros are used.
12431 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12433 PR rtl-optimization/26026
12434 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12435 is a known power of two shifted left a variable amount.
12437 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12439 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12440 to hash table twice when the debug_str section has SECTION_MERGE.
12442 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12444 * config/soft-fp: New directory. From glibc.
12445 * config/soft-fp/t-softfp: New.
12446 * config/soft-fp/README: New.
12447 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12448 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12449 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12450 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12451 * config.gcc: Use rs6000/t-fprules-fpbit or
12452 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12454 * config/rs6000/sfp-machine.h: New. Based on glibc.
12455 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12457 * config/rs6000/t-fprules: Remove fp-bit rules.
12458 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12459 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12460 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12461 (softfp_wrap_start, softfp_wrap_end): New.
12463 2006-04-18 DJ Delorie <dj@redhat.com>
12465 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12467 2006-04-18 Devang Patel <dpatel@apple.com>
12469 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12471 2006-04-18 Nick Clifton <nickc@redhat.com>
12473 * config/sh/t-symbian: Add rule to build sh-c.o
12474 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12475 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12476 (sh_symbian_encode_section_info): Likewise.
12478 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12480 * builtins.c (expand_builtin_strcmp): Cover label definition of
12481 do_libcall with HAVE_cmpstrnsi.
12483 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12485 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12487 * function.h (temp_slot_p): New.
12488 (function): Change the type of x_used_temp_slots to
12489 VEC(temp_slot_p,gc) *.
12491 2006-04-18 Nick Clifton <nickc@redhat.com>
12493 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12494 flag_strength_reduce.
12496 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12498 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12502 Partial revert of revision 112637
12503 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12504 Dale Johannesen <dalej@apple.com>
12507 * regclass.c (struct reg_pref): Update documentation.
12508 (regclass): Set prefclass to NO_REGS if memory is the best option.
12509 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12511 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12513 PR tree-optimization/26821
12514 * tree-ssa-math-opts.c (get_constant_one): New.
12515 (insert_reciprocals): Use it.
12517 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12519 * dwarf2out.c (free_AT): Delete.
12520 (remove_AT): Update string ref counts.
12521 (remove_child_TAG): Don't call free_die.
12522 (free_die): Delete.
12523 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12524 or DW_TAG_GNU_EINCL.
12525 (prune_unused_types_walk_attribs): Reset string refcounts.
12526 (prune_unused_types_update_strings): New.
12527 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12528 call free_die. Do call prune_unused_types_update_strings.
12529 (prune_unused_types): Empty debug_str_hash.
12531 2006-04-17 Roger Sayle <roger@eyesopen.com>
12533 * expr.c (expand_assignment): Optimize away no-op moves where the
12534 source and destination are equal and have no side-effects.
12536 2006-04-17 Richard Guenther <rguenther@suse.de>
12539 * reload.c (push_reload): Guard calls to get_secondary_mem
12540 for memory subregs.
12542 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12544 * alias.c (reg_base_value, old_reg_base_value): Change the
12545 type to VEC(rtx,gc) *.
12546 (REG_BASE_VALUE, find_base_value, record_set,
12547 init_alias_analysis): Use VEC instead of VARRAY.
12549 * alias.c (alias_sets): Change the type to
12550 VEC(alias_set_entry,gc) *.
12551 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12552 VEC instead of VARRAY.
12553 (last_alias_set): Remove.
12555 * cgraph.h (cgraph_edge_p): New.
12556 Update the prototype of cgraph_function_versioning.
12557 * cgraphunit.c (cgraph_copy_node_for_versioning,
12558 cgraph_function_versioning): Use VEC instead of VARRAY.
12559 * ipa-cp.c (ipcp_insert_stage): Likewise.
12561 2006-04-16 Roger Sayle <roger@eyesopen.com>
12564 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12565 "A op B" or "A op C", we may need to convert A to the type of B and C.
12567 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12569 * target.h (struct gcc_target): Add mode_rep_extended.
12570 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12571 (init_num_sign_bit_copies_in_rep): Initialize it using
12573 (truncate_to_mode): Use it.
12574 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12575 * targhooks.h (default_mode_rep_extended): Declare it.
12576 * targhooks.c (default_mode_rep_extended): Define it.
12577 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12578 default_mode_rep_extended.
12579 (TARGET_INITIALIZER): Include it.
12580 * doc/tm.texi (Misc): Document it.
12581 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12582 (mips_truncated_to_mode): New function.
12584 2006-04-16 Roger Sayle <roger@eyesopen.com>
12586 PR middle-end/25474
12587 * expr.c (compress_float_constant): Copy the narrow constant into
12588 a new pseudo before extending it to its final width.
12590 2006-04-16 Roger Sayle <roger@eyesopen.com>
12591 Andrew Pinski <pinskia@gcc.gnu.org>
12592 Dale Johannesen <dalej@apple.com>
12595 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12596 special case code to implement V8HImode and V16QImode with SSE2.
12598 2006-04-15 Roger Sayle <roger@eyesopen.com>
12600 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12601 trees are constructed with a suitable tree type.
12603 2006-04-15 Roger Sayle <roger@eyesopen.com>
12605 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12606 (integer_onep): Likewise.
12607 (integer_all_onesp): Likewise.
12608 (integer_pow2p): Likewise.
12609 (integer_nonzerop): Likewise.
12610 (real_zerop): Likewise.
12611 (real_onep): Likewise.
12612 (real_twop): Likewise.
12613 (real_minus_onep): Likewise.
12614 (int_size_in_bytes): Likewise.
12615 (host_integerp): Likewise.
12617 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12619 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12620 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12621 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12623 * tree-ssa-structalias.h (alias_info): Remove num_references.
12625 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12627 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12628 (output_bvb patterns): Likewise.
12629 * pa.c (output_bb): Use 'bb' insn for long branch case.
12630 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12631 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12632 1. Correct length operand for alternatives 1 and 2.
12633 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12634 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12636 2006-04-14 Roger Sayle <roger@eyesopen.com>
12638 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12639 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12640 were accidentally reverted by r112959.
12642 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12644 PR middle-end/26823
12645 * except.h (eh_region_outermost): New prototype.
12646 * except.c (eh_region_outermost): New function.
12647 * tree-cfg.c (find_outermost_region_in_block): Use it.
12649 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12651 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12653 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12654 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12655 (init_reload, reload): Use VEC instead of VARRAY.
12656 * reload.h: Update the prototype for
12657 reg_equiv_memory_loc_varray.
12659 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12660 Eric Botcazou <ebotcazou@libertysurf.fr>
12662 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12663 register save area.
12665 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12667 PR middle-end/27134
12668 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12669 to expand fallback builtin function call.
12671 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12673 PR middle-end/27095
12674 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12675 and emit libcall here in case the builtin fails.
12676 (expand_builtin_strcmp): Always emit the libcall here on failure.
12678 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12680 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12681 * flow.c (reg_n_info): Change the type to
12682 VEC(reg_info_p,heap) *.
12683 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12685 * regs.h (reg_info_p): New.
12686 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12687 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12688 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12691 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12693 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12695 * params.h (MAX_SCHED_READY_INSNS): New macro.
12696 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12697 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12698 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12699 the ready list for 1 cycle during the first scheduling pass.
12700 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12702 2006-04-13 Richard Henderson <rth@redhat.com>
12705 * gimple-low.c (lower_omp_directive): Remove dead code.
12706 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12707 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12708 * omp-low.c (struct omp_region): Move to tree-flow.h.
12709 (root_omp_region): Export.
12710 (omp_regions, lookup_omp_region): Remove.
12711 (determine_parallel_type): Update for struct omp_region changes.
12712 (dump_omp_region): Dump regions with block numbers.
12713 (new_omp_region): Take type and block instead of stmt; malloc
12715 (free_omp_region_1, free_omp_regions): New.
12716 (expand_parallel_call): Take entry_stmt as argument; update for
12717 changes to omp_region.
12718 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12719 (remove_exit_barriers): New.
12720 (expand_omp_parallel): Update for struct omp_region changes.
12721 (expand_omp_synch): Likewise.
12722 (expand_omp): Likewise.
12723 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12724 (expand_omp_for_static_chunk): Likewise.
12725 (expand_omp_for): Likewise.
12726 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12727 (expand_omp_sections): Similarly, with GOMP_sections_end.
12728 (expand_omp_single): New.
12729 (build_omp_regions_1): Update for OMP_CONTINUE.
12730 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12731 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12732 OMP_SECTIONS_SECTIONS.
12733 (lower_omp_single_simple): Don't emit barrier here.
12734 (lower_omp_single_copy): Likewise.
12735 (lower_omp_single): Fix bindings, and lower to straightline now.
12736 (lower_omp_master, lower_omp_ordered): Likewise.
12737 (lower_omp_critical): Likewise.
12738 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12739 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12740 omp edges, free it afterward.
12741 (make_omp_sections_edges): Remove.
12742 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12743 (move_stmt_r): Handle OMP_CONTINUE.
12744 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12745 statement pointers to basic blocks. Add type member.
12746 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12747 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12748 * tree-inline.c (estimate_num_insns_1): Likewise.
12749 * tree-pretty-print.c (dump_generic_node): Likewise.
12750 * tree-ssa-operands.c (get_expr_operands): Likewise.
12751 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12752 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12753 (OMP_CONTINUE): New.
12754 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12755 (OMP_SECTIONS_SECTIONS): Remove.
12756 (OMP_SECTION_LAST): New.
12757 (OMP_RETURN_NOWAIT): New.
12759 2006-04-13 Roger Sayle <roger@eyesopen.com>
12761 * fold-const.c (native_encode_vector, native_interpret_real):
12762 Correct obvious mistakes in the previous check-in.
12764 2006-04-13 Roger Sayle <roger@eyesopen.com>
12766 * fold-const.c (native_encode_expr): New function to encode
12767 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12768 or VECTOR_CST into a specified buffer.
12769 (native_encode_int): New function.
12770 (native_encode_real): New function.
12771 (native_encode_complex): New function.
12772 (native_encode_vector): New function.
12773 (native_interpret_expr): Inverse of native_encode_expr to convert
12774 a target representation into an INTEGER_CST, REAL_CST etc...
12775 (native_interpret_int): New function.
12776 (native_interpret_real): New function.
12777 (native_interpret_complex): New function.
12778 (native_interpret_vector): New function.
12779 (fold_view_convert_expr): New function to constant fold/evaluate
12780 a VIEW_CONVERT_EXPR of a suitable constant expression.
12781 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12782 Change call of build1 to fold_build1 when constructing a
12785 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12786 Ulrich Weigand <uweigand@de.ibm.com>
12789 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12792 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12795 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12796 optimize to lo_sum for DFmode if !TARGET_FPRS.
12798 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12800 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12801 delete_alias_info, compute_flow_sensitive_aliasing,
12802 group_aliases): Use VEC instead of VARRAY.
12803 * tree-ssa-structalias.c (update_alias_info): Likewise.
12804 * tree-ssa-structalias.h (alias_info): Change the type of
12805 processed_ptrs to VEC(tree,heap) *.
12807 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12810 * config/sh/lib1funcs.h: New file, broken out of:
12811 * config/sh/lib1funcs.asm.
12812 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12814 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12815 * config/sh/lib1funcs-Os-4-200.asm: New file.
12816 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12817 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12818 (EXTRA_MULTILIB_PARTS): Include it.
12819 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12820 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12821 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12822 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12825 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12827 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12828 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12829 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12831 * tree-ssa-live.h: Include vecprim.h.
12832 (tree_partition_associator_d): Change the type of
12833 first_partition to VEC(int,heap) *.
12834 (tpa_first_partition): Use VEC instead of VARRAY.
12836 * Makefile.in (GTFILES): Move functions.h after tree.h.
12837 * function.c (reset_block_changes, record_block_change,
12838 check_block_change, free_block_changes): Use VEC instead of
12840 * function.h (function): Change the type of
12841 ib_boundaries_block to VEC(tree,gc) *.
12842 * tree-inline.c (copy_cfg_body): Initialize
12843 ib_boundaries_block to NULL instead of (varray_type) 0.
12845 2006-04-12 Roger Sayle <roger@eyesopen.com>
12847 * expr.c (emit_group_store): Correct operand order in call to
12848 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12849 a SUBREG_BYTE of zero.
12851 2006-04-12 Richard Guenther <rguenther@suse.de>
12853 * profile.c (compute_branch_probabilities): Remove code
12854 encapsulated in !ir_type (), which are remanents of the
12855 removed RTL profiling code.
12856 * rtl-profile.c: Remove.
12858 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12860 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12861 magic NULL_RTX comment.
12862 (function_arg): Store entire fp arg to mem if any part should go
12864 (rs6000_arg_partial_bytes): Adjust for above change.
12866 2006-04-11 Roger Sayle <roger@eyesopen.com>
12868 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12869 if it hasn't been initialized by dwarf2out_init.
12871 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12873 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12874 symbolic constants in branch patterns.
12876 2006-04-11 Roger Sayle <roger@eyesopen.com>
12878 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12880 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12882 PR rtl-optimization/27073
12883 * gcse.c (try_replace_reg): Revert last change. Continue to search
12884 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12887 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12889 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12890 aggregate types other than record and union types.
12891 (function_arg): Likewise.
12892 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12894 (function_value): In 64-bit mode, return objects that require it
12897 2006-04-11 Roger Sayle <roger@eyesopen.com>
12899 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12901 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12903 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12905 2006-04-03 Jeff Law <law@redhat.com>
12908 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12909 alias information too.
12911 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12913 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12915 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12918 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12919 (premark_used_types_helper): New.
12920 (premark_used_types): New.
12921 (gen_subprogram_die): Call premark_used_types.
12922 (prune_unused_types_walk): Do not prune perennial dies.
12923 * function.c (used_types_insert): New.
12924 * function.h (struct function): Add used_types_hash field.
12925 (used_types_insert): Add prototype.
12926 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12927 * c-parser.c (c_parser_cast_expression): Save casted types in used
12930 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12933 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12934 rs6000_explicit_options.float_gprs.
12936 2006-04-10 Roger Sayle <roger@eyesopen.com>
12938 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12939 from ix86_expand_vector_init_low_nonzero. Take an additional
12940 one_var argument indicating which element is non-zero. Support
12941 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12942 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12943 with one_var instead of ix86_expand_vector_init_low_nonzero.
12945 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12947 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12948 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12949 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12950 build/genextract.o): Depend on vecprim.h.
12951 * cfglayout.c, df-problems.c, function.c, genextract.c,
12952 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12953 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12957 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12959 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12960 Declare VECs of this type.
12961 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12962 (remove_children): Delete.
12963 (add_dwarf_attr): Use VEC routines.
12964 (add_AT_flag): Update for changes to add_dwarf_attr.
12965 (add_AT_int): Likewise.
12966 (add_AT_unsigned): Likewise.
12967 (add_AT_long_long): Likewise.
12968 (add_AT_vec): Likewise.
12969 (add_AT_string): Likewise.
12970 (add_AT_die_ref): Likewise.
12971 (add_AT_fde_ref): Likewise.
12972 (add_AT_loc): Likewise.
12973 (add_AT_loc_list): Likewise.
12974 (add_AT_addr): Likewise.
12975 (add_AT_lbl_id): Likewise.
12976 (add_AT_lineptr): Likewise.
12977 (add_AT_macptr): Likewise.
12978 (add_AT_offset): Likewise.
12979 (add_AT_range_list): Likewise.
12980 (get_AT): Use VEC_iterate.
12981 (remove_AT): Use VEC_ordered_remove.
12982 (free_die): Fold remove_children into here; have it use VEC_iterate.
12983 (print_die): Use VEC_iterate on attrs.
12984 (reverse_die_lists): Don't reverse attr lists.
12985 (die_checksum): Use VEC_iterate on attrs.
12986 (same_die_p): Likewise.
12987 (output_location_lists): Likewise.
12988 (build_abbrev_table): Likewise.
12989 (size_of_die): Likewise.
12990 (unmark_all_dies): Likewise.
12991 (output_abbrev_section): Likewise.
12992 (output_die): Likewise.
12993 (prune_unused_types_walk_attribs): Likewise.
12995 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12997 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12999 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13002 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13004 2006-04-09 Roger Sayle <roger@eyesopen.com>
13006 * expr.c (store_constructor): Don't bother clearing target if
13007 we're about to assign a vector to it using vec_init_optab.
13009 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13011 * tree-ssa-alias.c (lhs_may_store_to): New function.
13012 (recalculate_used_alone): Handle LHS of calls.
13014 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13018 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13019 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13020 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13021 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13022 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13023 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13024 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13025 stubs. Add ".align 8" directives before all ".dword" directives.
13026 (GTHREAD_USE_WEAK): Revise comment.
13027 (TARGET_ATTRIBUTE_WEAK): Define.
13028 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13029 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13030 * stublib.c: New file.
13035 * pa.md (cbranch patterns): Revise arguments used in calls to
13036 output_cbranch, output_bb and output_bvd. Add long branch length
13038 (fbranch patterns): Handle long branches.
13039 (jump): Revise length check. Revise arguments for output_lbranch call.
13040 Add long branch length attributes.
13041 (decrement_and_branch_until_zero): Add long branch length attributes.
13042 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13043 Likewise. Revise arguments for output_parallel_addb and
13044 output_parallel_movb calls.
13045 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13046 output_parallel_movb and output_parallel_addb): Update prototypes.
13047 * pa.c (output_cbranch): Revise arguments. Correct handling of
13048 nullification in long branches.
13049 (output_lbranch): Add new argument to control extraction of delay
13051 (output_bb): Handle long branches.
13052 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13053 output_parallel_addb): Likewise.
13055 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13057 PR rtl-optimization/27073
13058 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13061 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13063 * tree.h (tree_memory_tag): Add old_used_alone.
13064 (SMT_OLD_USED_ALONE): New macro.
13065 * tree-ssa-alias.c (recalculate_used_alone): Stop
13066 marking things for renaming unnecessarily.
13068 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13070 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13071 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13072 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13073 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13074 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13075 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13076 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13077 spelling convensions.
13078 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13079 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13080 typos. Follow spelling conventions.
13082 2006-04-07 DJ Delorie <dj@redhat.com>
13084 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13085 passed on the stack.
13086 (m32c_init_cumulative_args): When a function returns a structure,
13087 always pass the pointer to that return area on the stack.
13088 (m32c_function_arg_advance): Don't increment the parameter number
13089 if we're processing the returned structure pointer.
13090 (pushm_info): Reverse order of registers.
13092 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13094 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13095 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13096 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13097 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13098 build_int_cst_type.
13099 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13100 chrec_fold_multiply): Same.
13101 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13102 force_expr_to_var_cost): Same.
13103 * tree-mudflap.c (mf_xform_derefs_1): Same.
13104 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13106 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13108 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13109 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13112 2006-04-07 Jan Hubicka <jh@suse.cz>
13114 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13116 2006-04-07 Richard Guenther <rguenther@suse.de>
13118 PR tree-optimization/26135
13119 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13120 loads for store copy-prop.
13121 (copy_prop_visit_stmt): Likewise.
13123 2006-04-05 Robert Millan <robertmh@gnu.org>
13125 * config/i386/linux.h: Add a comment to mark macros that are
13126 being overriden in config/k*bsd-gnu.h.
13127 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13129 * config/knetbsd-gnu.h: Ditto.
13131 2006-04-06 Jan Hubicka <jh@suse.cz>
13135 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13138 2006-04-06 Mike Stump <mrs@apple.com>
13140 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13141 for HAVE_nonlocal_goto to be consistent.
13142 (expand_builtin_nonlocal_goto): Likewise.
13143 (expand_builtin_strcmp): Use #ifdef instead of #if
13144 for HAVE_cmpstrnsi to be consistent.
13146 2006-04-05 DJ Delorie <dj@redhat.com>
13148 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13151 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13153 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13154 got-relative addressing for anything but SImode.
13156 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13157 even if the calling function doesn't modify them.
13159 2006-04-05 Richard Guenther <rguenther@suse.de>
13161 PR tree-optimization/26919
13162 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13163 to cgraph_estimate_size_after_inlining.
13165 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13167 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13169 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13171 PR tree-optimization/26996
13172 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13173 VECTOR_TYPE variables.
13175 2006-04-05 Richard Guenther <rguenther@suse.de>
13177 PR tree-optimization/26763
13178 * fold-const.c (fold_comparison): Move folding of
13179 PTR + CST CMP PTR + CST ...
13180 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13182 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13184 * doc/install.texi (Prerequisites): Refine some wording on
13185 bootstrapping and ksh.
13186 Move the version numbers of DejaGnu here from the testing section
13187 and fix casing of names.
13188 Fix markup and clarify wording for autogen requirements.
13189 Refer to GCJ instead of just java.
13190 Refer to SVN instead of CVS.
13191 Describe diffutils as useful instead of necessary.
13192 (Downloading the source): Refer to SVN instead of CVS.
13193 Adjust a link to our web site accordingly.
13194 (Configuration): Fix casing of Bison.
13195 (Building): Refer to SVN instead of CVS.
13196 Fix a sentence on the use of Bison and remove duplicate (and
13197 incorrect) version number of Bison requirement.
13198 Remove one redundant list of packages needed for building.
13199 (Specific): Avoid reference to CVS.
13201 2006-04-04 Eric Christopher <echristo@apple.com>
13203 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13204 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13205 (rs6000_handle_struct_attribute): New.
13206 (rs6000_ms_bitfield_layout_p): Ditto.
13208 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13210 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13211 NULL for dso parameter to atexit_common.
13213 2006-04-04 Eric Christopher <echristo@apple.com>
13215 * config/i386/i386.c (machopic_output_stub): Output \t
13216 between instructions and operands.
13218 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13220 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13221 satisfies_constraint_[IL] to explicit tests on value.
13223 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13225 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13226 set_nb_iterations_in_loop): Use build_int_cst instead of
13227 build_int_cst_type.
13228 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13229 build_int_cst instead of convert.
13231 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13233 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13234 new value 2 for incoming.
13235 * function.c (expand_function_start): Call struct_value_rtx
13236 with incoming as 2.
13237 * config/sparc/sparc.md: Comment updated_return.
13238 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13239 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13240 struct return if sparc_std_struct_return and incoming is 2.
13241 (print_operand): Do not adjust return if
13242 sparc_std_struct_return.
13244 2006-04-04 Roger Sayle <roger@eyesopen.com>
13246 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13247 convert in the middle-end.
13248 * expr.c (store_expr, store_constructor, get_inner_reference,
13249 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13251 * tree.c (build_range_type): Likewise.
13253 2006-04-04 Tom Tromey <tromey@redhat.com>
13255 * doc/install.texi (Prerequisites): Mention jar.
13257 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13259 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13262 2006-04-04 Matthias Klose <doko@debian.org>
13264 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13268 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13271 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13273 * doc/extend.texi (Function Attributes): Rewrite visibility
13274 attribute documentation.
13275 * doc/invoke.texi (C++ Dialect Options): Rewrite
13276 -fvisibility-inlines-hidden documentation to describe something
13277 entirely different, although in practise compatible.
13278 (Code Gen Options): Warn about system headers in -fvisibility=
13281 * doc/extend.texi (Other Builtins): Document that
13282 __builtin_nan is a compile-time constant only when its argument
13285 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13287 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13288 trying to remove TRUNCATE check if all bits outside the new mode
13289 are identical to the sign bit.
13291 2006-04-03 Jeff Law <law@redhat.com>
13293 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13294 and operand scanning in some common cases.
13296 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13297 Dale Johannesen <dalej@apple.com>
13300 * regclass.c (struct reg_pref): Update documentation.
13301 (regclass): Set prefclass to NO_REGS if memory is the best option.
13302 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13303 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13304 into account. For non-registers, equate an empty preferred
13305 reload class to a `!' in the constraint; move the if clause to
13306 do so after those that reject the insn.
13307 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13309 (find_dummy_reload): Likewise.
13310 * doc/tm.texi (Register Classes): Document what it means
13311 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13312 * config/i386/i386.c (ix86_preferred_reload_class): Force
13313 using SSE registers (and return NO_REGS for floating-point
13314 constants) if math is done with SSE.
13315 (ix86_preferred_output_reload_class): New.
13316 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13317 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13318 * config/i386/i386.md: Remove # register preferences.
13320 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13323 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13324 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13325 the type of nb_iter.
13326 (instantiate_parameters_1): Convert the operands before calling
13327 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13328 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13330 2006-04-02 Roger Sayle <roger@eyesopen.com>
13332 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13333 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13334 instead of convert.
13335 * dojump.c (do_jump): Likewise.
13336 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13337 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13338 gimplify_boolean_expr): Likewise.
13339 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13340 * varasm.c (array_size_for_constructor): Likewise.
13341 * tree-object-size.c (compute_object_offset): Likewise.
13343 2006-04-02 Roger Sayle <roger@eyesopen.com>
13345 PR middle-end/26977
13346 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13347 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13349 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13351 PR tree-optimization/26939
13352 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13354 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13356 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13357 at_stmt. Convert the type of operands before calling
13358 build_polynomial_chrec.
13359 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13360 add_to_evolution_1.
13361 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13362 (instantiate_parameters_1): Convert the type of operands before calling
13363 build_polynomial_chrec.
13364 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13365 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13366 reset_evolution_in_loop): Insert asserts to check the types of the
13368 (chrec_type): Moved...
13369 (eq_evolutions_p): Use operand_equal_p.
13370 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13371 the types of the operands.
13372 (chrec_type): ...here.
13373 * tree-data-ref.c (create_data_ref): Convert the operands before
13374 calling chrec_replace_initial_condition.
13375 (same_access_functions, analyze_subscript_affine_affine,
13376 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13377 (compute_subscript_distance, analyze_ziv_subscript,
13378 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13379 analyze_miv_subscript): Convert the operands before calling
13380 chrec_fold_minus or chrec_fold_plus.
13382 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13384 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13385 the dependence_relations vector.
13386 (compute_data_dependences_for_loop): Adjust call to
13387 compute_all_dependences.
13389 2006-04-01 Roger Sayle <roger@eyesopen.com>
13390 Richard Henderson <rth@redhat.com>
13392 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13393 gimple_boolify on the condition before calling gimplify_expr.
13395 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13397 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13398 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13399 the frame size. Update to use the new macros.
13400 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13401 * config/xtensa/ieee754-df.S: Likewise.
13403 2006-03-31 Richard Henderson <rth@redhat.com>
13405 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13406 (make_edges): ... here. Control fallthru creation with a local
13407 variable. Do not play with fake edges.
13408 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13409 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13412 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13414 * dwarf2.h (DW64_CIE_ID): Define.
13415 * dwarf2out.c (DWARF_CIE_ID): Define.
13416 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13417 length header. Use DWARF_CIE_ID.
13418 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13419 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13421 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13423 * config/sh/linux-atomic.asm: New file.
13424 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13426 2006-03-31 DJ Delorie <dj@redhat.com>
13428 * config/m32c/cond.md: Set condition flags properly throughout.
13429 * config/m32c/minmax.md: Likewise.
13430 * config/m32c/prologue.md: Likewise.
13431 * config/m32c/bitops.md: Likewise.
13432 * config/m32c/muldiv.md: Likewise.
13433 * config/m32c/mov.md: Likewise.
13434 * config/m32c/addsub.md: Likewise.
13435 * config/m32c/m32c.md: Likewise.
13436 * config/m32c/jump.md: Likewise.
13437 * config/m32c/shift.md: Likewise.
13439 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13440 conditionally output the pattern for this.
13441 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13442 (m32c_compare_redundant): New.
13443 (m32c_output_compare): New.
13444 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13446 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13447 dest, not src. Allow other 4-byte modes.
13449 2006-03-30 Denis Chertykov <denisc@overta.ru>
13451 * doc/md.texi: Refer to avr/constraints.md instead of
13454 2006-03-30 Roger Sayle <roger@eyesopen.com>
13456 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13457 signed vs. unsigned comparison failures on some hosts.
13459 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13462 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13463 change to FLOAT_REGS.
13465 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13466 (rs6000_override_options): Use it.
13467 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13468 only for -mabi=spe/no-spe and -mabi=altivec.
13470 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13472 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13475 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13477 * Makefile.in: Rename docdir to gcc_docdir.
13479 2006-03-30 Roger Sayle <roger@eyesopen.com>
13482 * expr.c (emit_group_store): Optimize group stores into a pseudo
13483 register by using a paradoxical subreg to initialize the destination
13484 if the first or last member of the group specifies a "low part".
13486 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13489 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13490 * target.h (struct gcc_target.speculate_insn): Change type of the
13491 second parameter to 'int'.
13492 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13493 the second operand of the DEPS_LIST.
13494 (copy_DEPS_LIST_list): Update reference to the second operand of the
13496 * rtl.h (alloc_DEPS_LIST): Update signature.
13497 * sched-int.h (ds_t): Change typedef to 'int'.
13498 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13500 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13502 * haifa-sched.c (try_ready): Change condition to restore
13503 non-speculative pattern of the instruction.
13504 (process_insn_depend_be_in_spec): Code to keep probability of the
13505 speculative dependence non-decreasing.
13507 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13509 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13510 (single_move_for_movmem): ... this. Also change all uses.
13511 (bfin_expand_strmov): Renamed to...
13512 (bfin_expand_movmem): ... this. Also change all uses.
13513 * config/bfin/bfin.md (movstrsi): Renamed to...
13514 (movstrsi): ...this.
13516 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13518 PR tree-optimization/26830
13520 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13521 (copy_prop_visit_stmt): Remove write-only variable ann.
13522 (init_copy_prop): Check variable loop depth here. Do not simulate
13523 memory-tag and virtual operand PHIs except for store copy prop.
13525 2006-03-30 Richard Guenther <rguenther@suse.de>
13527 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13528 variants with double arguments.
13530 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13532 * genpreds.c (write_tm_constrs_h): Delete variable p.
13533 * genconditions.c (write_header): Add tm-constrs.h to included
13535 * genpeep.c (main): Add toplev.h to included headers.
13536 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13537 (build/genpeep.o): Add toplev.h dependency.
13538 * config/rs6000/constraints.md: Add "W" constraint.
13540 2006-03-29 Roger Sayle <roger@eyesopen.com>
13542 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13543 sizes by correctly testing whether the size fits a host integer.
13544 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13545 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13546 SImode range for the default sizetype and bitsizetype.
13548 2006-03-29 Roger Sayle <roger@eyesopen.com>
13550 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13551 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13552 quickly if the argument is already of the correct type.
13553 Call fold_build1 instead of build1. Tidy up blank lines.
13555 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13557 * genemit.c (main): Add tm-constrs.h to included headers.
13558 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13559 * genpeep.c (main): Add tm-constrs.h to included headers.
13560 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13561 (write_tm_constrs_h): this and write complete file.
13562 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13563 (write_insn_preds_c): Add tm-constrs.h to included headers.
13564 (gen_constrs): New variable.
13565 (parse_option): Parse "-c".
13566 (main): Invoke write_tm_constrs_h.
13567 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13568 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13569 (object_out_file): Add tm-constrs.h dependency.
13570 (insn-emit.o): Same.
13571 (insn-output.o): Same.
13572 (insn-peep.o): Same.
13573 (insn-preds.o): Same.
13574 (insn-recog.o): Same.
13575 (tm-constsr.h): New target.
13576 (s-constrs-h): New target.
13578 * config/rs6000/constraints.md: New file.
13579 * config/rs6000/rs6000.c: Include tm-constrs.h.
13580 (num_insn_constant_wide): Convert to satisfies_constraint.
13581 (rs6000_rtx_costs): Convert to satisfies_constraint.
13582 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13583 (CONST_OK_FOR_LETTER_P): Delete.
13584 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13585 (EXTRA_CONSTRAINT): Delete.
13586 (EXTRA_MEMORY_CONSTRAINT): Delete.
13587 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13588 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13589 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13590 satisfies_constraint.
13592 * config/i386/i386.c: Include tm-constrs.h.
13594 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13596 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13597 * tree-data-ref.c (find_data_references_in_loop,
13598 compute_data_dependences_for_loop): Use pointers to VEC.
13599 (analyze_all_data_dependences): Adjust calls.
13600 * tree-data-ref.h (find_data_references_in_loop,
13601 compute_data_dependences_for_loop): Adjust declarations.
13602 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13603 compute_data_dependences_for_loop.
13605 2006-03-29 Paul Brook <paul@codesourcery.com>
13607 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13608 (movdf_vfp): Ditto.
13610 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13612 PR tree-optimization/26859
13613 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13615 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13616 for the step after fold_convert.
13618 2006-03-29 Paul Brook <paul@codesourcery.com>
13620 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13621 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13623 2006-03-29 Paul Brook <paul@codesourcery.com>
13625 PR middle-end/23623
13626 * targhooks.c (default_narrow_bitfield): New fuction.
13627 * targhooks.h (default_narrow_bitfield): add prototype.
13628 * target.h (gcc_target): Add narrow_volatile_bitfield.
13629 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13630 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13631 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13632 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13634 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13636 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13638 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13639 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13640 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13641 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13642 (s390_function_arg_float): Allow SDmode and DDmode values to be
13643 passed in floating point registers.
13644 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13645 check with SCALAR_FLOAT_MODE_P.
13646 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13648 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13650 PR tree-optimization/25985
13651 * tree-ssa-loop-niter.c (number_of_iterations_le,
13652 number_of_iterations_ne): Make comments more precise.
13653 (number_of_iterations_cond): Add only_exit argument. Use the
13654 fact that signed variables do not overflow only when only_exit
13656 (loop_only_exit_p): New.
13657 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13658 number_of_iterations_cond.
13660 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13662 PR tree-optimization/26643
13663 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13666 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13668 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13669 (divsi3_i4_int): Likewise.
13671 2006-03-28 Roger Sayle <roger@eyesopen.com>
13673 * expr.c (emit_group_store): Only create a new pseudo reg if the
13674 quantity it needs to hold isn't already a suitable pseudo.
13676 2006-03-28 Jeff Law <law@redhat.com>
13678 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13679 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13681 2006-03-28 Roger Sayle <roger@eyesopen.com>
13683 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13684 the equivalent ~X & Y, and the symmetry related transformations.
13685 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13686 ~X & Y, and symmetry related transforms.
13688 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13690 Revert my 2006-03-27 patches.
13692 2006-03-28 Roger Sayle <roger@eyesopen.com>
13694 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13695 ~(T1)X, when T1 and T2 are integer types of the same precision
13696 and (T2)X isn't an extension.
13698 2006-03-28 Jeff Law <law@redhat.com>
13700 PR tree-optimization/26796
13701 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13702 need EH edge cleanups rather than purging them immediately.
13703 (eliminate_degenerate_phis): Handle queued EH cleanups.
13705 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13707 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13710 2006-03-27 Roger Sayle <roger@eyesopen.com>
13712 PR middle-end/22524
13713 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13714 cast BIT_NOT_EXPR operand to the correct type.
13716 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13718 * tree-loop-linear.c: Don't include varray.h.
13719 (gather_interchange_stats, try_interchange_loops,
13720 linear_transform_loops): Use VEC instead of VARRAY.
13721 * lambda-mat.c: Don't include varray.h.
13722 * tree-chrec.c: Same.
13723 * lambda-trans.c: Same.
13724 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13725 VEC instead of VARRAY.
13726 * tree-vectorizer.h: Idem.
13727 * tree-data-ref.c (dump_data_references,
13728 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13729 initialize_data_dependence_relation, finalize_ddr_dependent,
13730 compute_all_dependences, find_data_references_in_loop,
13731 compute_data_dependences_for_loop, analyze_all_data_dependences,
13732 free_dependence_relation, free_dependence_relations,
13733 free_data_refs): Idem.
13734 * tree-data-ref.h (data_reference_p, subscript_p): New.
13735 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13736 VEC instead of VARRAY.
13737 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13738 (find_data_references_in_loop, compute_data_dependences_for_loop,
13739 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13740 dump_data_dependence_relations, free_dependence_relations,
13741 free_data_refs): Adjust declaration.
13742 (lambda_transform_legal_p): Move declaration here...
13743 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13744 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13745 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13746 vect_analyze_data_refs): Use VEC instead of VARRAY.
13747 * lambda.h (lambda_transform_legal_p): ...from here.
13748 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13749 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13750 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13751 tree-chrec.o): Don't depend on VARRAY_H.
13753 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13755 * rtl.def (Copyright): Update date.
13756 (DEPS_LIST): Change type of the second operand to 'int'.
13757 * target.h (Copyright): Update date.
13758 (struct gcc_target.speculate_insn): Change type of the second parameter
13760 * lists.c (Copyright): Update date.
13761 (alloc_DEPS_LIST): Change signature. Update reference to the second
13762 operand of the DEPS_LIST.
13763 (copy_DEPS_LIST_list): Update reference to the second operand of the
13765 * rtl.h (Copyright): Update date.
13766 (alloc_DEPS_LIST): Update signature.
13767 * sched-int.h (Copyright): Update date.
13768 (ds_t): Change typedef to 'int'.
13769 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13771 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13773 * haifa-sched.c (Copyright): Update date.
13774 (try_ready): Change condition to restore non-speculative pattern
13775 of the instruction.
13776 (process_insn_depend_be_in_spec): Code to keep probability of the
13777 speculative dependence non-decreasing.
13779 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13781 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13782 shut up the compiler.
13784 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13786 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13787 to use lib prefix for target.
13788 ($(T)libic_invalidate_array_4-200.a): Likewise.
13789 ($(T)libic_invalidate_array_4a.a): Likewise.
13791 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13792 J"orn Rennecke <joern.rennecke@st.com>
13794 * superh.opt: New file.
13795 * sh.c (boardtype, osruntime): Remove.
13796 * superh.h (SUBTARGET_OPTIONS): Remove.
13797 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13799 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13800 arguments with ^ and/or [].
13802 * config.gcc (sh-*-*): Add quoting to account for quirk of
13804 Replace == with = in enable_incomplete_targets test.
13806 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13807 with MASK_LITTLE_ENDIAN.
13809 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13810 * config/sh/sh.opt: Added to some comments.
13811 * config/sh/superh.h: Removed some chaff.
13813 * config/sh/sh.opt: Add m4-[1234]00* options.
13814 * config/sh/sh.c (sh_handle_option): Likewise.
13815 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13816 (ic_invalidate_array_4-100.o): New rule.
13817 ($(T)libic_invalidate_array_4-100.a): Likewise.
13818 (ic_invalidate_array_4-200.o): Likewise.
13819 ($(T)libic_invalidate_array_4-200.a): Likewise.
13820 (ic_invalidate_array_4a.o): Likewise.
13821 ($(T)libic_invalidate_array_4a.a): Likewise.
13822 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13823 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13825 * config/sh/crt1.asm: Merged in profiling code.
13826 * config/sh/superh.h (STARTFILE_SPEC): Override.
13827 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13828 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13829 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13831 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13832 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13833 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13835 * sh.opt (mpretend-cmove): New option.
13836 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13837 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13838 (movsicc): Add TARGET_PRETEND_CMOVE code.
13840 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13842 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13843 s390_class_max_nregs): New function prototypes.
13844 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13845 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13846 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13847 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13849 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13851 * dwarf2out.c (add_location_or_const_value_attribute): Call
13852 tree_add_const_value_attribute if nothing else works.
13853 (reference_to_unused): New.
13854 (rtl_for_decl_init): Use reference_to_unused to decide whether
13855 to output an initializer.
13857 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13860 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13861 peephole removing spe frob_di_df_2.
13863 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13865 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13866 (subscript_dependence_tester_1): Declared.
13867 (print_dir_vectors, print_dist_vectors): New.
13868 (debug_data_dependence_relation): New.
13869 (dump_data_dependence_relation): Print more details.
13870 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13871 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13872 (save_dist_v, save_dir_v, add_outer_distances,
13873 build_classic_dist_vector_1): New.
13874 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13875 Don't test for lambda_vector_lexico_pos.
13876 (same_access_functions, add_multivariate_self_dist,
13877 add_other_self_distances, dir_from_dist): New.
13878 (build_classic_dir_vector): Replace implementation almost identical to
13879 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13881 (subscript_dependence_tester_1): New.
13882 (subscript_dependence_tester): Handle the lexicographically negative
13883 distance vectors by recomputing the dependence relation.
13884 (compute_affine_dependence): Remove parameter loop_nest_depth.
13885 (compute_self_dependence): Don't call compute_subscript_distance.
13886 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13887 Add a parameter for the loop_nest.
13888 (find_loop_nest_1, find_loop_nest): New.
13889 (compute_data_dependences_for_loop): Compute the loop nest, and give
13890 up if the nest is not well formed.
13891 * tree-data-ref.h (loop_p): New.
13892 (struct data_dependence_relation): Replace size_vect field with
13893 loop_nest, a vec of loops.
13894 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13895 (DDR_LOOP_NEST): New.
13896 (print_dir_vectors, print_dist_vectors,
13897 debug_data_dependence_relation): Declared.
13898 (index_in_loop_nest): New.
13899 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13900 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13903 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13905 * simplify-rtx.c (simplify_relational_operation): Call
13906 simplify_relational_operation_1 even if mode is VOIDmode.
13908 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13910 PR tree-optimization/26804
13911 * tree.h (DECL_CALL_CLOBBERED): New macro.
13912 (tree_decl_common): Add call_clobbered_flag.
13913 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13914 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13915 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13916 (mark_non_addressable): Ditto.
13917 * tree-ssa.c (verify_call_clobbered): New function.
13918 (verify_alias_info): Use it.
13919 * tree-pass.h (pass_reset_cc_flags): New prototype.
13920 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13921 (reset_cc_flags): New function.
13922 * passes.c (init_optimization_passes): Call reset_cc_flags after
13923 initializing referenced_vars.
13925 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13926 Roger Sayle <roger@eyesopen.com>
13928 PR middle-end/26717
13929 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13930 to 1.0 for non-real operands. Implement A / A optimization for
13933 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13935 * config/i386/i386.c (size_cost): Correct the comment for
13936 cost of storing fp registers.
13937 (i386_cost): Likewise.
13938 (i486_cost): Likewise.
13939 (pentium_cost): Likewise.
13940 (pentiumpro_cost): Likewise.
13941 (k6_cost): Likewise.
13942 (athlon_cost): Likewise.
13943 (k8_cost): Likewise.
13944 (pentium4_cost): Likewise.
13945 (nocona_cost): Likewise.
13946 (generic64_cost): Likewise.
13947 (generic32_cost): Likewise.
13949 2006-03-24 Denis Chertykov <denisc@overta.ru>
13951 * config/avr/avr-protos.h (extra_constraint): Delete.
13952 (extra_constraint_Q): New declaration.
13953 * config/avr/constraints.md: New file.
13954 * config/avr/avr.md: Include it.
13955 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13956 (TMP_REGNO, ZERO_REGNO): Likewise.
13957 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13958 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13959 (extra_constraint): Delete.
13960 (extra_constraint_Q): Test for memory constraint 'Q'.
13961 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13962 (REG_CLASS_FROM_LETTER): Delete.
13963 (CONST_OK_FOR_LETTER_P): Delete.
13964 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13965 (EXTRA_CONSTRAINT): Delete.
13966 (TMP_REGNO): Delete.
13967 (ZERO_REGNO): Delete.
13969 2006-03-24 Jeff Law <law@redhat.com>
13971 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13972 directly. Call mark_new_vars_to_rename slightly earlier.
13974 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13976 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13977 (is_cxx): Likewise.
13978 (gen_compile_unit_die): Use new language types for Objective-C and
13980 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13981 DW_LANG_C_plus_plus.
13984 * config/t-darwin (crt3.o): Work around bug 26840.
13985 * config/darwin-crt3.c: Rewrite.
13986 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13988 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13990 * doc/invoke.texi: Document -femit-class-debug-always
13991 * common.opt: Add -femit-class-debug-always.
13993 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13995 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13996 index and base register.
13997 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13998 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13999 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14000 REGNO_OK_FOR_INDEX_P.
14001 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14003 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14004 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14005 REG_OK_FOR_BASE_P): Definitions removed.
14007 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14009 PR middle-end/26611
14010 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14011 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14012 set yet or weren't marked as local yet.
14014 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14016 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14019 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14021 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14022 (rs6000_legitimate_small_data_p): Delete.
14023 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14024 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14025 and make static. Add forward declaration. Update uses.
14026 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14027 of offsettable_memref_p.
14028 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14029 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14031 2006-03-24 Jeff Law <law@redhat.com>
14033 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14034 around bug in immediate-use iterator.
14036 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14039 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14040 or __LITTLE_ENDIAN__.
14042 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14044 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14045 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14046 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14047 * config/sh/sh.opt (mdiv=): Amend description.
14048 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14049 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14050 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14051 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14052 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14053 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14054 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14055 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14056 TARGET_DIVIDE_CALL_FP.
14058 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14060 * haifa-sched.c (choose_ready): Fix type of the local variable.
14061 Move local variables. Add comment.
14062 (check_reg_live): Change signature. Make callable from debugger.
14063 * sched-int.h (check_reg_live): Update signature.
14064 * sched-ebb.c (check_reg_live): Update parameters.
14065 * sched-rgn.c (check_reg_live): Ditto.
14066 (region_head_or_leaf_p): Check pointer before dereferencing.
14067 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14068 before reload on optimization levels below 1.
14070 2006-03-23 Richard Henderson <rth@redhat.com>
14072 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14076 * config/alpha/predicates.md (local_symbolic_operand): Reject
14079 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14082 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14083 expressions which have overflowed constants.
14085 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14087 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14089 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14091 * cfgloopmanip.c (create_loop_notes): Removed.
14092 * final.c (final_scan_insn): Do not handle loop notes.
14093 * jump.c (squeeze_notes): Ditto.
14094 * cfglayout.c (skip_insns_after_block,
14095 duplicate_insn_chain): Ditto.
14096 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14098 * cfgloop.h (create_loop_notes): Declaration removed.
14100 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14102 * varasm.c (output_constant_pool): Restore fnname and fndecl
14104 (assemble_start_function): Adjust call accordingly.
14105 (assemble_end_function): Likewise.
14107 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14110 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14113 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14115 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14118 * system.h (ICE_EXIT_CODE): New macro.
14119 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14120 (diagnostic_action_after_output): Likewise.
14121 * gcc.c (fatal_ice): New function.
14122 (execute): Use it instead of fatal.
14123 (fancy_abort): Likewise.
14124 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14126 2006-03-22 Jeff Law <law@redhat.com>
14128 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14129 iv_analyze_result returning false.
14131 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14133 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14135 2006-03-22 Richard Henderson <rth@redhat.com>
14137 PR middle-end/26084
14138 * except.c (duplicate_eh_regions_0): New.
14139 (duplicate_eh_region_1): Duplicate the children of the node as
14140 well as the node itself. Link them up properly.
14141 (duplicate_eh_region_2): Merge into ...
14142 (duplicate_eh_regions): ... here. Take copy_region argument, and
14143 copy only a sub-tree if asked. Simplify copying and fixup.
14144 (eh_region_outer_p): New.
14145 * except.h (duplicate_eh_regions): Update decl.
14146 (eh_region_outer_p): Declare.
14147 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14148 (lower_omp_master): Likewise.
14149 (lower_omp_ordered): Likewise.
14150 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14151 (move_stmt_r): Use it to remap labels. Handle recursion vs
14152 remap_decls_p properly.
14153 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14154 (find_outermost_region_in_block): New.
14155 (new_label_mapper): New.
14156 (move_sese_region_to_fn): Copy eh information to the new function
14158 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14160 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14163 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14165 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14166 into shared libraries.
14168 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14170 * doc/md.texi: Refer to i386/constraints.md instead of
14171 i386/predicates.md.
14172 * config/i386/constraints.md: New file, extracted from...
14173 * config/i386/predicates.md: ...here.
14174 * config/i386/i386.md: Include constraints.md.
14176 2006-03-21 Jason Merrill <jason@redhat.com>
14178 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14180 PR middle-end/20297
14181 * expr.c (init_block_move_fn): Force default visibility.
14182 (init_block_clear_fn): Likewise.
14183 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14184 * targhooks.c (default_external_stack_protect_fail): Likewise.
14186 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14188 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14189 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14190 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14191 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14192 (loadgp): Use mips_current_loadgp_style.
14193 (loadgp_noshared): New pattern.
14194 (sibcall_internal): Use MIPS_CALL.
14195 (sibcall_value_internal): Likewise.
14196 (sibcall_value_multiple_internal): Likewise.
14197 (call_internal): Likewise.
14198 (call_value_internal): Likewise.
14199 (call_value_multiple_internal): Likewise.
14200 (call_split): Use MIPS_CALL and add an 'S' constraint.
14201 (call_value_split): Likewise.
14202 (call_value_multiple_split): Likewise.
14203 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14204 (-mshared): New option.
14205 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14206 (mips_current_loadgp_style): Declare.
14207 * config/mips/mips.c (mips_classify_symbol): Avoid using
14208 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14209 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14210 TARGET_ABSOLUTE_ABICALLS.
14211 (override_options): Adjust comments. Improve the warning that is
14212 issued when -mabicalls and -G are used together.
14213 (mips_file_start): Remove comment.
14214 (mips_current_loadgp_style): New function.
14215 (mips_gnu_local_gp): New variable.
14216 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14218 (mips_output_function_prologue): Use mips_current_laodgp_style.
14219 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14220 the cprestore instruction.
14221 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14222 live for TARGET_ABSOLUTE_ABICALLS.
14223 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14224 (ASM_SPEC): Pass down -mshared and -mno-shared.
14225 (MIPS_CALL): New macro.
14226 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14228 * doc/invoke.texi (-mabicalls): Update documentation.
14229 (-mshared): Document.
14231 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14233 * config/ia64/unwind-hpux.c: New file.
14234 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14236 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14239 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14241 2006-03-21 Jeff Law <law@redhat.com>
14243 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14244 type conversions of a VR_VARYING source to a wider type.
14246 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14248 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14249 tm_file on Solaris 10 and later.
14250 (sparc64-*-solaris2*): Likewise.
14251 (sparc-*-solaris2*): Likewise.
14252 * config/sol26.h: Rename to config/sol2-6.h.
14253 * config/sol2-10.h: New file.
14255 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14258 * tree-ssa-pre.c (create_component_ref_by_pieces):
14261 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14264 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14265 return it immediately.
14267 2006-03-21 Michael Matz <matz@suse.de>
14269 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14271 (remove_arc, add_arc): Update num_out_arcs member.
14272 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14274 (cache_presence): New function.
14275 (compare_states_for_equiv): New function.
14276 (state_is_differed): Don't take number of outargs, adjust callers.
14277 Use new invariant for speeding up.
14278 (init_equiv_class): Create initial classes based on sorted
14280 (partition_equiv_class): Don't track out_arcs_num.
14281 (evaluate_equiv_classes): Call cache_presence on all states and
14284 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14286 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14287 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14288 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14289 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14291 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14292 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14293 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14294 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14295 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14297 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14298 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14299 (REGNO_REG_CLASS): ARGP is in PREGS.
14300 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14302 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14303 to deal with those addresses.
14304 * addresses.h: New file.
14305 * caller-save.c: Include "addresses.h".
14306 (init_caller_save): Use new base_reg_class function.
14307 * rtl-factoring.c: Include "addresses.h".
14308 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14309 * recog.c: Include "addresses.h".
14310 (preprocess_constraints): Use new base_reg_class function.
14311 * regrename.c: Include "addresses.h".
14312 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14313 functions. Keep track of a new var INDEX_CODE to compute valid
14315 (replace_oldest_value_addr): Likewise.
14316 (replace_oldest_value_mem): Use base_reg_class.
14317 * reload.c: Include "addresses.h".
14318 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14319 (find_reloads): Use new base_reg_class function.
14320 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14321 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14322 all callers and prototype changed.
14323 * reload1.c: Include "addresses.h".
14324 (maybe_fix_stack_asms): Use base_reg_class.
14325 * regclass.c: Include "addresses.h".
14326 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14327 (init_reg_autoinc): Use new base_reg_class function.
14328 (record_reg_classes): Likewise.
14329 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14330 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14331 Use new args to compute necessary class.
14333 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14334 regrename.o, rtl-factoring.o): Update dependencies.
14335 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14336 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14337 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14338 REG_OK_FOR_INDEX_P): Delete documentation.
14340 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14342 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14343 from V7 to V9 for Solaris 7 and above.
14345 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14347 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14348 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14349 argument pointers may not alias any other storage.
14350 * common.opt: Define option -fargument-noalias-anything.
14351 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14352 alias semantics is specified by flag_argument_noalias > 2.
14354 2006-03-20 Jeff Law <law@redhat.com>
14356 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14357 (pass_phi_only_cprop): Declare.
14358 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14359 with phi_only_cprop
14360 * tree-ssa-dom.c (degenerate_phi_result): New function.
14361 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14362 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14363 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14364 (eliminate_degenerate_phis): Likewise.
14365 (pass_phi_only_cprop): New pass descriptor.
14366 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14367 support code. Callers updated.
14368 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14369 (store_copy_prop): Likewise.
14370 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14372 2006-03-20 Jason Merrill <jason@redhat.com>
14375 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14376 (push_visibility, pop_visibility): Likewise.
14377 * c-pragma.h: Declare them.
14379 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14381 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14383 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14384 parameter and use get_ebb_head_tail.
14385 (sh_md_init_global): Adjust uses of find_regmode_weight.
14387 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14389 * function.h (struct function) <x_tail_recursion_reentry>:
14390 Rename to x_stack_check_probe_note.
14391 (tail_recursion_reentry): Rename to stack_check_probe_note.
14392 * function.c: Replace tail_recursion_reentry with
14393 stack_check_probe_note everywhere.
14394 (expand_function_start): Only emit a note for
14395 stack_check_probe_note with -fstack-protect.
14396 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14398 * emit-rtl.c (remove_unnecessary_notes): Remove.
14399 (pass_remove_unnecessary_notes): Remove.
14400 * rtl.h (remove_unnecessary_notes): Remove prototype.
14401 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14402 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14403 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14405 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14408 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14409 (valid_in_set): Handle ARRAY_REF.
14410 Change "if min_variant or VH" to asserts.
14411 (create_component_ref_by_pieces): Handle ARRAY_REF.
14412 (create_expression_by_pieces): Likewise.
14413 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14415 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14417 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14418 is operand of switch, not str[0].
14420 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14422 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14423 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14425 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14427 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14428 end of insn_extra_address_constraint declaration.
14430 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14432 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14433 (no-sum-in-toc): Same.
14434 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14436 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14437 NO_FP_IN_TOC for -fPIC instead of mask.
14439 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14440 (BOOT_LDFLAGS): Delete.
14442 * config/rs6000/t-aix52: Same.
14444 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14445 (stmsi[345678]_power): New.
14447 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14449 * config/ia64/ia64.opt: Add empty line to end of file.
14451 2006-03-17 Richard Guenther <rguenther@suse.de>
14453 PR middle-end/26721
14454 * builtins.c (get_pointer_alignment): For component style references
14455 adjust alignment to the component type alignment. Make sure
14456 to adjust alignment for component access of constants.
14458 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14460 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14461 unconditional jump.
14463 2006-03-17 Paul Brook <paul@codesourcery.com>
14465 * doc/install.texi: Docuemnt --with-mode.
14466 * config.gcc: Add --with-mode for arm*-*-*.
14467 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14469 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14471 * sh.c (max_labelno_before_reorg): New variable.
14472 (sh_reorg): Initialize it.
14473 (find_barrier): Check max_labelno_before_reorg before using
14474 label_to_alignment. Take length of explicit alignment insns
14475 into account. When seeing a UNSPECV_CONST_END, return it.
14477 * sh.c (fixup_mova): Set mode of affected label to QImode.
14478 (untangle_mova): New function.
14479 (find_barrier): Use it. Check mode of label before decrementing
14481 (sh_reorg): Likewise.
14482 Set mode of all insns back to VOIDmode.
14484 * sh.c (MOVA_LABELREF): New macro.
14485 (mova_p, fixup_mova, sh_reorg): Use it.
14486 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14487 ADDR_DIFF_VEC matches mova.
14489 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14491 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14492 with ATTRIBUTE_UNUSED.
14494 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14496 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14497 pointer, instead of assuming it is possible to derive the
14498 correct args size from a call insn.
14500 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14502 * rtl.h (CONST_INT_P): Define.
14503 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14504 instead of GET_CODE(x) == CONST_INT.
14505 (vax_rtx_costs): Likewise.
14506 (vax_output_int_move): Likewise.
14507 (vax_output_int_add): Likewise.
14508 (legitimate_constant_address_p): Likewise.
14509 (index_term_p): Likewise.
14510 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14511 * config/vax/vax.md (and<mode>3): Likewise.
14512 (ashrsi3): Likewise.
14514 (movstricthi): Likewise.
14515 (movstrictqi): Likewise.
14516 (rotrsi3): Likewise.
14517 (five unnamed insns): Likewise.
14519 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14521 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14522 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14523 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14524 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14525 Pass to ASM_OUTPUT_DWARF_OFFSET.
14526 * dwarf2out.c (debug_frame_section): New.
14527 (output_call_frame_info): Use debug_frame_section. Pass it to
14528 dw2_asm_output_offset.
14529 (output_die): Pass appropriate section to dw2_asm_output_offset.
14530 (output_compilation_unit_header): Likewise.
14531 (output_pubnames): Likewise.
14532 (output_aranges): Likewise.
14533 (enum dw_val_class): Break dw_val_class_lbl_offset into
14534 dw_val_class_lineptr and dw_val_class_macptr.
14535 (add_AT_lbl_offset): Delete.
14536 (add_AT_lineptr): New.
14537 (add_AT_macptr): New.
14538 (AT_lbl): Expect a lineptr or macptr.
14539 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14540 (attr_checksum): Likewise.
14541 (same_dw_val_p): Likewise.
14542 (size_of_die): Likewise.
14543 (value_format): Likewise.
14544 (output_die): Likewise.
14545 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14547 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14548 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14549 * config/darwin-protos.h (darwin_file_start): New.
14550 (darwin_asm_output_dwarf_offset): New.
14551 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14552 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14554 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14555 if not EH section; simplify.
14556 (darwin_file_start): New.
14557 (darwin_asm_output_dwarf_offset): New.
14558 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14560 (DEBUG_INFO_SECTION): Likewise.
14561 (DEBUG_ABBREV_SECTION): Likewise.
14562 (DEBUG_ARANGES_SECTION): Likewise.
14563 (DEBUG_MACINFO_SECTION): Likewise.
14564 (DEBUG_LINE_SECTION): Likewise.
14565 (DEBUG_LOC_SECTION): Likewise.
14566 (DEBUG_PUBNAMES_SECTION): Likewise.
14567 (DEBUG_STR_SECTION): Likewise.
14568 (DEBUG_RANGES_SECTION): Likewise.
14569 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14570 (ASM_OUTPUT_DWARF_OFFSET): New.
14572 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14574 * config.gcc (tm_defines): Always add to previous value rather
14577 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14579 * config/mips/predicates.md (splittable_const_int_operand): New,
14580 split from move_operand.
14581 (splittable_symbolic_operand): New.
14582 (move_operand): Add commentary. Use splittable_const_int_operand.
14583 Inline mips_atomic_symbolic_constant_p.
14584 * config/mips/mips.md: Add combine splitters for handling moves
14585 of splittable_const_int_operands and splittable_symbolic_operands.
14586 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14587 (mips_split_symbol): Declare.
14588 (mips_move_integer): Declare.
14589 * config/mips/mips.c (mips_split_p): Make global.
14590 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14591 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14592 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14593 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14594 (mips_offset_within_object_p): Handle block symbols.
14595 (mips_atomic_symbolic_constant_p): Delete.
14596 (mips_cannot_force_const_mem): Return false for constants that
14597 mips_legitimize_move can handle.
14598 (mips_use_blocks_for_constant_p): New function.
14599 (mips_split_symbol): Make global.
14600 (mips_move_integer): Likewise. Add a temporary register argument.
14601 (mips_legitimize_const_move): Use splittable_const_int_operand and
14602 splittable_symbolic_operand.
14603 (mips_use_anchors_for_symbol_p): New function.
14604 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14605 (mips_split_p): Declare.
14607 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14609 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14610 (mips*-*-linux*): Likewise.
14612 2006-03-16 Roger Sayle <roger@eyesopen.com>
14613 Daniel Speyer <dspeyer@wam.umd.edu>
14615 PR middle-end/18259
14616 * tree-dump.c (dump_real): New function.
14617 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14618 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14619 (tree-dump.o): Add $(REAL_H) to the dependencies.
14621 2006-03-16 Roger Sayle <roger@eyesopen.com>
14623 PR middle-end/21781
14624 * real.c (real_from_string): If the mantissa is zero, don't bother
14625 parsing the exponent as the result should always be zero.
14627 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14629 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14631 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14633 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14634 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14635 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14636 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14637 ia64_sched_finish_global): New static functions to implement
14638 hooks from gcc_target.sched.
14639 (spec_check_no, max_uid, pending_data_specs): New static variables.
14640 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14641 ia64_spec_check_src_p): New static functions.
14642 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14643 (TARGET_SCHED_ADJUST_COST): Removed.
14644 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14645 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14646 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14647 TARGET_SCHED_GEN_CHECK,
14648 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14649 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14650 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14651 Fixed to handle speculation checks.
14652 (rtx_needs_barrier): Fixed to handle speculative loads and
14654 (ia64_variable_issue): Added code to count speculative loads and their
14656 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14658 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14660 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14662 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14663 (ia64_reorg): Reset stops_p to NULL after it is freed.
14664 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14665 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14666 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14668 (data_speculative, control_speculative, check_load): New attributes.
14669 (mov<mode>_advanced, mov<mode>_speculative,
14670 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14671 zero_extend<mode>di2_speculative,
14672 zero_extend<mode>di2_speculative_advanced): New patterns for
14673 data and control speculative loads.
14674 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14676 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14677 New pattern for data and control speculation checks.
14678 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14679 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14680 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14681 Auxiliary definitions for the patterns.
14682 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14683 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14685 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14687 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14688 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14689 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14690 New resource constraints.
14691 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14693 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14694 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14695 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14696 msched-in-control-spec, msched-ldc, msched-control-ldc,
14697 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14698 msched-prefer-non-control-spec-insns,
14699 msched-count-spec-in-critical-path): New flags to tune speculative
14701 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14702 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14703 msched-in-control-spec, msched-ldc, msched-control-ldc,
14704 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14705 msched-prefer-non-control-spec-insns,
14706 msched-count-spec-in-critical-path): Document new flags.
14708 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14710 * target.h (struct spec_info_def): New opaque declaration.
14711 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14712 speculate_insn, needs_block_p, gen_check,
14713 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14714 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14715 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14716 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14717 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14718 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14720 (TARGET_SCHED): Use new macros.
14721 * rtl.h (copy_DEPS_LIST_list): New prototype.
14722 * sched-int.h (struct sched_info): Change signature of new_ready field,
14723 adjust all initializations. New fields: add_remove_insn,
14724 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14725 region_head_or_leaf_p.
14726 (struct spec_info_def): New structure declaration.
14727 (spec_info_t): New typedef.
14728 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14729 recovery_block, orig_pat.
14730 (glat_start, glat_end): New variables declaraions.
14731 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14733 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14734 DETACH_LIFE_INFO, USE_GLAT.
14735 (enum SPEC_SCHED_FLAGS): New enumeration.
14736 (NOTE_NOTE_BB_P): New macro.
14737 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14738 attach_life_info, debug_spec_status, check_reg_live): New functions.
14739 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14740 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14742 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14743 * ddg.c (get_block_head_tail): Adjust all uses.
14744 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14745 (sms_sched_info): Initialize new fields.
14746 (contributes_to_priority): Removed.
14747 * haifa-sched.c (params.h): New include.
14748 (get_block_head_tail): Adjust all uses.
14749 (ISSUE_POINTS): New macro.
14750 (glat_start, glat_end): New global variables.
14751 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14752 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14753 old_last_basic_block, before_recovery, current_sched_info_var,
14754 rgn_n_insns, luid): New static variables.
14755 (insn_cost1): New function. Move logic from insn_cost to here.
14756 (find_insn_reg_weight1): New function. Move logic from
14757 find_insn_reg_weight to here.
14758 (reemit_notes, move_insn, max_issue): Change signature.
14759 (move_insn1): Removed.
14760 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14761 extend_bb): New static functions to support extension of scheduler's
14763 (generate_recovery_code, process_insn_depend_be_in_spec,
14764 begin_speculative_block, add_to_speculative_block,
14765 init_before_recovery, create_recovery_block, create_check_block_twin,
14766 fix_recovery_deps): New static functions to support
14767 generation of recovery code.
14768 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14769 restore_bb_notes, move_block_after_check, move_succs): New static
14770 functions to support ebb scheduling.
14771 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14772 functions to support handling of register live information.
14773 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14774 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14775 add_jump_dependencies): New static functions.
14776 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14777 consistancy checking.
14778 (debug_spec_status): New function to call from debugger.
14779 (priority): Added code to handle speculation checks.
14780 (rank_for_schedule): Added code to distinguish speculative instructions.
14781 (schedule_insn): Added code to handle speculation checks.
14782 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14783 Fixed to handle ebbs.
14784 (move_insn): Added code to handle ebb scheduling.
14785 (max_issue): Added code to use ISSUE_POINTS of instructions.
14786 (choose_ready): Added code to choose between speculative and
14787 non-speculative instructions.
14788 (schedule_block): Added code to handle ebb scheduling and scheduling of
14789 speculative instructions.
14790 (sched_init): Initialize new variables.
14791 (sched_finish): Free new variables. Print statistics.
14792 (try_ready): Added code to handle speculative instructions.
14793 * lists.c (copy_DEPS_LIST_list): New function.
14794 * sched-deps.c (extend_dependency_caches): New function. Move logic
14795 from create_dependency_caches to here.
14796 (get_dep_weak, ds_merge): Make global.
14797 * genattr.c (main): Code to output prototype for
14798 dfa_clear_single_insn_cache.
14799 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14800 (output_dfa_clean_insn_cache_func): Code to output
14801 dfa_clear_single_insn_cache function.
14802 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14804 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14806 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14807 New static variables.
14808 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14809 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14811 (ebb_sched_info): Initialize new fields.
14812 (get_block_head_tail): Adjust all uses.
14813 (compute_jump_reg_dependencies): Fixed to use glat_start.
14814 (schedule_ebb): Code to remove unreachable last block.
14815 (schedule_ebbs): Added code to update register live information.
14816 * sched-rgn.c (region_sched_info): Initialize new fields.
14817 (get_block_head_tail): Adjust all uses.
14818 (last_was_jump): Removed. Adjust users.
14819 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14820 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14821 Implement new hooks.
14822 (check_dead_notes1): New static function.
14823 (struct region): New fields: dont_calc_deps, has_real_ebb.
14824 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14825 (BB_TO_BLOCK): Fixed to handle EBBs.
14826 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14827 (ebb_head): New static variable.
14828 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14829 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14831 (compute_dom_prob_ps): New assertion.
14832 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14833 global_live_at_start.
14834 (init_ready_list): New assertions.
14835 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14836 (new_ready): Add support for BEGIN_CONTROL speculation.
14837 (schedule_insns): Fixed code that updates register live information
14839 (schedule_region): Fixed to handle EBBs.
14840 (init_regions): Use extend_regions and check_dead_notes1.
14841 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14842 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14843 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14844 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14845 TARGET_SCHED_GEN_CHECK,
14846 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14847 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14848 * doc/invoke.texi (max-sched-insn-conflict-delay,
14849 sched-spec-prob-cutoff): Document.
14851 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14853 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14854 inter_tick, queue_index.
14855 (struct sched_info): Change signature of init_ready_list field.
14856 Adjust all initializations.
14857 (RESOLVED_DEPS): New access macro.
14858 (ready_add): Remove prototype.
14859 (try_ready): Add prototype.
14860 * sched-rgn.c (init_ready_list): Use try_ready.
14861 (schedule_region): Initialize
14862 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14863 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14864 (init_ready_list): Use try_ready.
14865 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14866 * lists.c (remove_list_elem): Remove `static'.
14867 (remove_free_INSN_LIST_elem): New function.
14868 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14869 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14870 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14872 (readyp): New variable.
14873 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14874 change_queue_index, resolve_dep): New static functions.
14875 (try_ready): New function. Adjust callers in sched-rgn.c and
14876 sched-ebb.c to use it instead of ready_add.
14877 (clock_var): Move at the begining of file.
14878 (rank_for_schedule): Fix typo.
14879 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14880 (ready_lastpos): Enforce assertion.
14881 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14882 update all callers.
14883 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14884 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14885 (queue_to_ready): Use free_INSN_LIST_list.
14886 (early_queue_to_ready): Fix typo.
14887 (schedule_block): Init readyp. Move init_ready_list call after the
14888 initialization of clock_var. Fix error in rejecting insn by
14889 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14890 that previously corrected INSN_TICKs. Add code for handling
14892 (set_priorities): Fix typo.
14893 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14894 Clarify comment and code that keeps current_sched_info->next_tail
14897 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14899 * sched-rgn.c (extend_rgns): New static function.
14900 (find_rgns): Use it.
14901 (gather_region_statistics, print_region_statistics): New static
14903 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14904 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14906 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14907 Andrey Belevantsev <abel@ispras.ru>
14909 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14910 * lists.c (unused_deps_list): New variable.
14911 (free_list): Add assertions to verify the proper distinguishing
14912 between INSN_LISTs and DEPS_LISTs.
14913 (find_list_elem, remove_list_elem, remove_list_node): New static
14915 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14916 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14917 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14918 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14920 (free_INSN_LIST_node): Likewise.
14921 * modulo-sched.c (current_sched_info): Initialize flags field.
14922 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14923 * rtl.def (DEPS_LIST): Define.
14924 * rtl.h: Declare new functions from lists.c.
14925 * sched-deps.c (spec_dependency_cache): New static variable.
14926 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14927 (add_dependence): Change return type to void. Move the logic to ...
14928 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14929 (delete_all_dependences): Add comment about forward_dependency_cache.
14930 Handle spec_dependency_cache. Handle DEPS_LISTs.
14931 (fixup_sched_groups): Clarify the change of priority of output
14932 and anti dependencies.
14933 (sched_analyze_2): Adjust add_dependence calls to create data
14934 speculative dependence.
14935 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14936 Adjust all callers. Handle DEPS_LISTS.
14937 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14938 presence of speculation.
14939 (init_dependency_caches, free_dependency_caches):
14940 Handle spec_dependency_cache.
14941 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14942 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14943 New static functions.
14944 (add_or_update_back_dep, add_or_update_back_forw_dep,
14945 add_back_forw_dep, delete_back_forw_dep): New functions.
14946 * sched-int.h (ds_t, dw_t): New typedefs.
14947 (struct sched_info): Add new field flags.
14948 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14949 Prototype new sched-deps.c functions.
14950 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14951 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14952 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14953 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14954 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14955 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14957 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14959 * sched-rgn.c (current_sched_info): Initialize flags field.
14960 (schedule_insns): Initialize current_sched_info before the sched_init
14962 * sched-ebb.c (current_sched_info): Initialize flags field.
14963 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14964 Call add_or_update_back_dep instead of add_dependence.
14965 Create control speculative dependencies.
14966 (schedule_insns): Initialize current_sched_info before the sched_init
14969 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14971 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14973 (sh_fallback_frame_state): Likewise.
14975 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14977 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14978 Do switch on default_use_cxa_atexit.
14979 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14980 * config/darwin-crt3.o: New.
14981 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14982 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14983 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14985 * config/rs6000/t-darwin: Move crt2.o building to here.
14986 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14987 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14990 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14992 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14993 from '! xxx' to '!xxx' for coding-style conformance.
14994 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14995 (EXTRA_CONSTRAINT): Likewise.
14996 * config/vax/vax.md (four unnamed insns): Likewise.
14998 2006-03-15 Paul Brook <paul@codesourcery.com>
15000 * config/arm/arm.c (minipool_pad): New.
15001 (add_minipool_forward_ref): Include pool alignment padding in address
15003 (push_minipool_fix): Set minipool_pad.
15004 (minipool_pad): Ditto.
15006 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15008 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15009 instead of GET_CODE() == MEM and REG_P() instead of
15011 (print_operand_address): Likewise.
15012 (vax_address_cost): Likewise.
15013 (vax_rtx_costs): Likewise.
15014 (vax_notice_update_cc): Likewise.
15015 (vax_output_int_add): Likewise.
15016 (INDEX_REGISTER_P): Likewise.
15017 (BASE_REGISTER_P): Likewise.
15018 (nonindexed_address_p): Likewise.
15019 (vax_mode_dependent_address_p): Likewise.
15020 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15021 (PRINT_OPERAND): Likewise.
15022 * config/vax/vax.md (ashlsi3): Likewise.
15023 (ashlsi3): Likewise.
15024 (some more unnamed insns): Likewise.
15026 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15028 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15029 iterator-style macro.
15030 (mark_control_dependent_edges_necessary): Update the use of
15031 EXECUTE_IF_CONTROL_DEPENDENT.
15033 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15035 * config/sh/predicates.md (cache_address_operand): Special.
15036 (ua_address_operand): Likewise.
15038 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15040 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15042 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15044 2006-03-15 Andreas Schwab <schwab@suse.de>
15046 * gensupport.c (identify_predicable_attribute): Don't free p_false
15047 when it is still in use.
15049 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15051 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15052 the default setting here.
15054 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15056 * tree-pass.h (pass_cfg): Remove.
15057 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15058 * passes.c (pass_cfg): Don't run it.
15060 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15062 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15063 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15065 (stack_regs_mentioned): Update the uses of
15066 stack_regs_mentioned_data. Don't access the array beyond its
15068 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15069 Don't include gt-reg-stack.h.
15071 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15072 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15074 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15076 PR middle-end/26684
15077 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15080 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15082 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15084 2006-03-14 Richard Guenther <rguenther@suse.de>
15086 PR tree-optimization/26672
15087 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15090 2006-03-14 Richard Guenther <rguenther@suse.de>
15092 PR tree-optimization/26667
15093 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15094 node for the callees. Always allow inlining if it will shrink
15097 2006-03-14 Richard Guenther <rguenther@suse.de>
15099 PR middle-end/26659
15100 * builtins.c (get_pointer_alignment): Prefer alignment
15101 information from decls over that from types.
15103 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15106 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15108 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15110 * config/rs6000/rs6000.opt (mdlmzb): New option.
15111 (msched-prolog, msched-epilog): Use Var not Mask.
15112 * doc/invoke.texi (-mdlmzb): Document.
15113 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15115 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15116 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15118 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15120 PR rtl-optimization/25739
15121 * bt-load.c (augment_live_range): Free tos pointer.
15123 * gensupport.c (identify_predicable_attribute): Free
15125 * gcov.c (create_file_names): Free name pointer.
15127 2006-03-13 Roger Sayle <roger@eyesopen.com>
15129 PR middle-end/26557
15130 * stmt.c (emit_case_nodes): Handle the case where the index is a
15131 CONST_INT, where the comparison mode is specified by the index type.
15133 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15135 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15138 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15140 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15141 (*branch_fp_inverted): Likewise.
15143 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15145 PR middle-end/25989
15146 * omp-low.c (expand_omp_for_generic): Mark istart0
15147 and iend0 as addressable.
15149 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15151 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15153 2006-03-13 Jeff Law <law@redhat.com>
15155 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15156 virtual operands are interesting.
15157 (vrp_visit_stmt): Corresponding changes.
15159 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15161 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15163 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15164 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15165 * config/bfin/crti.S: Use it instead of __PIC__.
15166 * config/bfin/crtn.S: Likewise.
15168 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15169 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15171 Lose 'G' modifier for call operand.
15172 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15173 recognize 'G' modifier.
15175 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15177 PR middle-end/18859
15178 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15179 * stmt.c (expand_case): Likewise.
15181 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15183 PR rtl-optimization/26254
15184 * loop-invariant.c (seq_insns_valid_p): New function.
15185 (move_invariant_reg): Only emit new code if it is valid.
15187 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15189 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15191 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15192 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15193 (commit_one_edge_insertion): Do not look for loop notes.
15195 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15197 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15198 flag_test_coverage out of loop.
15200 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15202 * final.c (shorten_branches): Remove outdated comment, and turn
15203 the if branch that guards it to continue.
15205 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15207 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15208 * cfgloop.h (struct loop): Remove unused fields.
15210 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15212 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15213 (-dL, -fdump-rtl-loop2): Update the dump file names
15215 * doc/invoke.texi: Update dump file names.
15217 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15219 * predict.c (estimate_probability): Remove.
15220 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15221 * basic-block.h (estimate_probability): Remove prototype.
15222 * passes.c (finish_optimization_passes): Dump branch prediction or
15223 profiling heuristics to the .profile tree dump.
15224 (init_optimization_passes): Unqueue pass_branch_prob.
15226 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15228 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15230 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15231 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15233 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15235 * function.h (frame_offset_overflow): Declare.
15236 * function.c (frame_offset_overflow): New function.
15237 (assign_stack_local_1): Call it to detect that the offset overflows.
15238 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15240 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15242 * config/sh/sh.c: Include alloc-pool.h.
15243 (label_ref_list_pool): New alloc pool.
15244 (label_ref_list_t): New type for lists of labels.
15245 (struct pool_node): Make wend a label_ref_list_t.
15246 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15248 (dump_table): Likewise.
15249 (sh_reorg): Set up the alloc pool before using add_constant and
15250 dump_table, and destroy it when finishing.
15252 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15254 * config/mips/mips.c: Remove redundant comment.
15256 2006-03-10 Jason Merrill <jason@redhat.com>
15259 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15260 the target was declared 'register'.
15262 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15264 * genpreds.c (write_insn_constraint_len): Change definition of
15265 insn_constraint_len to return size_t to match the declaration.
15267 2006-03-10 DJ Delorie <dj@redhat.com>
15269 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15271 (m32c_expand_insv): Fix test for an AND mask.
15273 2006-03-10 Richard Guenther <rguenther@suse.de>
15275 PR middle-end/26565
15276 * builtins.c (get_pointer_alignment): Handle component
15277 references for field alignment.
15279 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15281 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15282 when building with libgloss.
15283 (sh*elf): Implement --without-fp option.
15284 (sh64-superh-linux*): Don't multilib.
15286 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15288 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15290 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15292 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15293 Set it when one of the replacement functions returned true.
15294 Return TODO_cleanup_cfg if cfgchanged is true.
15295 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15297 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15299 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15300 instead of gen_lowpart.
15302 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15304 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15306 (mips_output_order_conditional_branch): Declare.
15307 * config/mips/mips.h (MIPS_BRANCH): New macro.
15308 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15309 for the comparison. Use gen_condjump.
15310 (mips_output_conditional_branch): Rework interface to take the
15311 asm templates for a direct branch and the inverse of a direct branch.
15312 (mips_output_order_conditional_branch): New function.
15313 (mips_builtin_branch_and_move): New function.
15314 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15315 branch condition. Use gen_single_cc as the condition for
15316 __builtin_mips_upper_* or __builtin_mips_lower_*.
15317 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15318 Use VOIDmode for the branch condition.
15319 * config/mips/predicates.md (order_operator): New predicate.
15320 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15321 (branch_fp): Rename to...
15322 (*branch_fp): ...this. Remove mode from comparison operator.
15323 Use new mips_output_conditional_branch interface.
15324 (branch_fp_inverted): Rename to...
15325 (*branch_fp_inverted): ...this and update as for *branch_fp.
15326 (*branch_zero<mode>): Rename to...
15327 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15328 Use mips_output_order_conditional_branch. Only accept ordered
15330 (*branch_zero<mode>_inverted): Rename to...
15331 (*branch_order<mode>_inverted): ...this and update as for
15332 *branch_order<mode>.
15333 (*branch_equality<mode>): Accept zero as the second operand to
15334 the equality operator. Use the new mips_output_conditional_branch
15336 (*branch_equality<mode>_inverted): Likewise.
15337 (condjump): New expander.
15338 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15340 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15341 (bc1any2t, bc1any2f): Likewise.
15342 (single_cc): New expander.
15343 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15345 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15347 * doc/md.texi: Update documentation of MIPS constraints.
15348 * config/mips/constraints.md: New file.
15349 * config/mips/mips.md: Include it.
15350 * config/mips/mips.c (mips_char_to_class): Delete.
15351 (override_options): Don't initialize mips_char_to_class.
15352 * config/mips/mips.h (mips_char_to_class): Delete.
15353 (REG_CLASS_FROM_LETTER): Delete.
15354 (CONST_OK_FOR_LETTER_P): Delete.
15355 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15356 (EXTRA_CONSTRAINT_Y): Delete.
15357 (EXTRA_CONSTRAINT_STR): Delete.
15358 (CONSTRAINT_LEN): Delete.
15359 (EXTRA_MEMORY_CONSTRAINT): Delete.
15361 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15363 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15364 original fn's eh regions.
15366 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15368 * fold-const.c (build_range_check): Make sure to use a valid type to
15369 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15372 (range_predecessor): New static function.
15373 (range_successor): Likewise.
15374 (merge_ranges): Use them to compute predecessors and successors of
15377 2006-03-09 Roger Sayle <roger@eyesopen.com>
15379 PR middle-end/26561
15380 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15381 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15383 2006-03-08 DJ Delorie <dj@redhat.com>
15385 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15386 (addpsi3): Expand to include memory operands. Remove
15387 reload-specific splits.
15388 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15389 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15390 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15391 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15392 (shift1_qi, shift1_hi, insv): New.
15393 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15394 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15395 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15397 * config/m32c/m32c-protos.h: Update as needed.
15398 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15399 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15400 Fail for unrecognized R* constraints.
15401 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15402 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15403 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15405 (m32c_init_libfuncs): New.
15406 (m32c_legitimate_address_p): Add debug wrapper.
15407 (m32c_rtx_costs): New.
15408 (m32c_address_cost): New.
15409 (conversions): Add 'B' prefix.
15410 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15411 operands, or word regnames for QI operands. 'B' prints bit
15413 (m32c_expand_setmemhi): New.
15414 (m32c_expand_movmemhi): New.
15415 (m32c_expand_movstr): New.
15416 (m32c_expand_cmpstr): New.
15417 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15418 (m32c_expand_neg_mulpsi3): Handle non-ints.
15419 (m32c_cmp_flg_0): New.
15420 (m32c_expand_movcc): New.
15421 (m32c_expand_insv): New.
15422 (m32c_scc_pattern): New.
15423 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15424 a0/a1 out of SIregs.
15425 (STORE_FLAG_VALUE): New.
15426 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15429 * config/m32c/mov.md: Make constraints more liberal.
15430 (zero_extendqihi2): Optimize r0/r1 case.
15431 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15432 * config/m32c/predicates.md (m32c_any_operand): New.
15433 (m32c_nonimmediate_operand): New.
15434 (m32c_hl_operand): New.
15435 (m32c_r3_operand): New.
15438 (memsym_operand): New.
15439 (memimmed_operand): New.
15440 (a_qi_operand): New.
15441 (m32c_eqne_operator): New.
15442 (m32c_1bit8_operand): New.
15443 (m32c_1bit16_operand): New.
15444 (m32c_1mask8_operand): New.
15445 (m32c_1mask16_operand): New.
15446 * config/m32c/blkmov.md: New file.
15447 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15449 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15451 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15452 unsigned to fix signed/unsigned comparison issue in
15453 DWARF2_FRAME_REG_OUT.
15454 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15455 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15457 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15458 of ptr into the ENABLE_CHECKING section.
15460 2006-03-08 Jeff Law <law@redhat.com>
15462 * tree-vrp.c (infer_value_range): Only count pointer uses
15463 and dereferences if -fdelete-null-pointer-checks is enabled.
15465 * tree-vrp.c (find_assert_locations): Infer value ranges for
15466 single use pointers, but do not create ASSERT_EXPRs for them.
15467 When a non-null range is inferred for a pointer, backwards
15468 propagate that range to other equivalent pointers through the
15471 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15474 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15475 language hook targets.
15476 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15477 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15478 if language hook targets were missing.
15480 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15482 * tree-ssa-opfinalize.h: Removed.
15483 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15485 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15486 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15487 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15488 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15489 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15490 finalize_ssa_v_must_def_ops): New.
15492 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15494 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15495 block as parameter.
15497 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15499 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15501 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15502 addresses with offsets; reorganize.
15504 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15505 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15506 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15508 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15511 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15513 2006-03-08 Ben Elliston <bje@au.ibm.com>
15515 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15517 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15520 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15523 2006-03-07 Richard Guenther <rguenther@suse.de>
15525 PR tree-optimization/26587
15526 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15528 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15530 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15532 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15534 * hooks.c (hook_bool_mode_rtx_true): New function.
15535 * hooks.h (hook_bool_mode_rtx_true): Declare.
15536 * toplev.c (compile_file): Call output_shared_constant_pool.
15537 * varasm.c (shared_constant_pool): New variable.
15538 (assemble_start_function, assemble_end_function): Remove arguments
15539 from call to output_constant_pool.
15540 (create_constant_pool): New function, split out from...
15541 (init_varasm_status): ...here.
15542 (force_const_mem): Choose between the shared and per-function constant
15543 pools. Set current_function_uses_const_pool when reusing old entries
15544 as well as when creating new ones.
15545 (mark_constant): Ignore data argument.
15546 (mark_constants): Remove pool argument.
15547 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15548 to decide whether the function uses a constant pool.
15549 (output_constant_pool_contents): New function, split out from...
15550 (output_constant_pool): ...here.
15551 (output_shared_constant_pool): New function.
15552 (init_varasm_once): Initialize shared_constant_pool.
15553 * output.h (output_constant_pool): Delete.
15554 (output_shared_constant_pool): Declare.
15555 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15556 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15558 2006-03-06 Nick Clifton <nickc@redhat.com>
15560 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15561 flag_strength_reduce.
15563 2006-03-06 Ben Elliston <bje@au.ibm.com>
15565 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15566 x86_64-*-linux* configurations.
15568 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15569 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15571 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15573 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15575 * basic-block.h: Remove the extern for
15576 rediscover_loops_after_threading.
15578 * cfgloop.c (cancel_loop): Make it static.
15579 * cfgloop.h: Remove the prototype for cancel_loop.
15581 * flow.c (recompute_reg_usage): Make it static.
15582 * rtl.h: Remove the prototype for recompute_reg_usage.
15584 * function.c (use_return_register): Make it static.
15585 * function.h: Remove the prototype.
15587 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15589 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15591 * recog.h: Remove the prototype for
15592 validate_change_maybe_volatile.
15594 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15596 * rtlanal.c (replace_reg): Remove.
15597 * rtl.h: Remove the prototype for replace_reg.
15599 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15601 * regclass.c (reg_scan_update): Remove.
15602 (reg_scan_mark_refs): Remove the last argument.
15603 * rtl.h: Remove the prototype for reg_scan_update.
15605 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15607 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15608 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15609 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15610 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15611 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15612 loop-invariant.c, omp-low.c, opts.c, passes.c,
15613 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15614 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15615 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15616 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15617 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15618 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15620 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15622 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15623 * dwarf2out.h: Remove the prototype for
15624 dwarf2out_add_library_unit_info.
15626 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15628 * tree.c (add_var_to_bind_expr): Remove.
15629 * tree.h: Remove the prototype for add_var_to_bind_expr.
15631 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15633 * regclass.c (n_non_fixed_regs): Remove.
15634 (init_reg_sets_1, globalize_reg): Remove all uses of
15636 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15638 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15640 * rtlanal.c (insns_safe_to_move_p): Remove.
15641 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15643 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15645 * expmed.c (expand_mult_add): Remove.
15646 * expr.h: Remove the prototype for expand_mult_add.
15648 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15650 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15651 and REG_SAVED_VAL_EXP constants.
15652 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15653 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15654 Handle regs stored by value.
15655 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15656 (execute_cfa_program): Handle DW_CFA_val_offset,
15657 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15658 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15659 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15660 (uw_install_context_1): Handle target regs stored by value.
15662 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15664 * tree-sra.c (tree_sra): Return todoflags;
15665 (generate_one_element): Set TODO_update_smt_usage if needed.
15666 (pass_sra): Remove TODO_update_smt_usage.
15667 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15669 (tree_ssa_forward_propagate_single_use_vars): Return
15670 TODO_update_smt_usage if we need to update SMT usage.
15671 (pass_forwprop): Remove TODO_update_smt_usage.
15673 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15675 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15676 (correct_use_link): Remove reference to get_stmt_operands.
15677 (update_stmt_operands): Likewise.
15678 (get_modify_expr_operands): New function factored out of
15679 parse_ssa_operands and get_expr_operands.
15680 Try to create V_MUST_DEFs for LHS by default.
15681 (get_expr_operands) <case MODIFY_EXPR>: Call
15682 get_modify_expr_operands.
15683 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15684 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15685 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15686 get_modify_expr_operands.
15688 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15690 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15691 * tree-flow.h: Remove the prototype for
15692 referenced_var_lookup_if_exists.
15694 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15696 PR rtl-optimization/26345
15698 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15700 2006-03-03 Roger Sayle <roger@eyesopen.com>
15702 PR tree-optimization/26524
15703 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15704 fold_convert to create a constant of the appropriate type.
15706 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15708 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15709 SYMBOL_REF_IN_BLOCK_P.
15710 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15711 of SYMBOL_FLAG_IN_BLOCK.
15712 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15713 instead of SYMBOL_REF_IN_BLOCK_P.
15714 * explow.c (use_anchored_address): Likewise.
15715 * rtl.c (rtx_size): Likewise.
15716 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15717 instead of SYMBOL_FLAG_IN_BLOCK.
15718 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15719 SYMBOL_REF_IN_BLOCK_P.
15720 (assemble_variable): Likewise.
15721 (output_constant_def_contents): Likewise.
15722 (output_constant_pool): Likewise.
15723 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15724 instead of SYMBOL_FLAG_IN_BLOCK.
15725 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15726 SYMBOL_REF_IN_BLOCK_P.
15727 (SYMBOL_REF_BLOCK): Likewise.
15728 (SYMBOL_REF_OFFSET): Likewise.
15729 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15730 SYMBOL_REF_IN_BLOCK_P.
15731 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15732 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15733 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15734 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15736 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15738 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15740 2006-03-02 Roger Sayle <roger@eyesopen.com>
15742 * simplify-rtx.c (simplify_unary_operation): When simplifying
15743 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15744 that we perform the right shift in the appropriate mode, and
15745 then extend or truncate the result to requested mode.
15747 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15749 * gengtype.c (main): Handle double_int type.
15750 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15751 * double-int.c: New file.
15752 * double-int.h: New file.
15753 * system.h: Include doubleint.h.
15754 * Makefile.in (SYSTEM_H): Include double-int.h.
15755 (double-int.o): Add.
15757 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15760 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15763 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15765 * tree-vrp.c (remove_range_assertions): Do not update statements
15768 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15770 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15772 * gcse.c (rest_of_handle_gcse): Ditto.
15773 * except.c (gate_handle_eh): Ditto.
15774 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15775 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15777 2006-03-02 Eric Christopher <echristo@apple.com>
15779 * config/i386/i386.c (machopic_output_stub): Add indirection to
15782 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15786 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15788 Sun Niagara specific optimizations.
15789 * config.gcc: Recognize niagara as target.
15790 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15791 (TARGET_CPU_niagara): Define.
15792 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15793 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15794 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15795 (ASM_CPU_SPEC): Likewise.
15796 (PROCESSOR_NIAGARA): New enum entry.
15797 (REGISTER_MOVE_COST): Handle Niagara.
15798 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15799 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15800 (sparc_override_options): Recognize "niagara", set appropriate
15801 default MASK_* values for it, and align functions to 32-bytes
15802 by default just like ULTRASPARC/ULTRASPARC3.
15803 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15804 (sparc64_initialize_trampoline): Likewise.
15805 (sparc_use_sched_lookahead): Use zero for niagara.
15806 (sparc_issue_rate): Use one for niagara.
15807 * config/sparc/niagara.md: New file.
15808 * config/sparc/sparc.md: Include it.
15809 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15810 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15811 when default cpu is niagara.
15812 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15813 (ASM_CPU_SPEC): Likewise.
15814 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15815 when default cpu is niagara.
15816 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15817 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15818 just like v9/ultrasparc/ultrasparc3.
15819 * doc/invoke.texi: Add documentation for "niagara" and improve
15820 existing documentation for ultrasparc variants.
15822 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15824 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15826 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15828 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15829 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15830 and say that only one is needed.
15831 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15832 * target.h (have_switchable_bss_sections): New hook.
15833 * explow.c (use_anchored_address): Check that the symbol is in a block.
15834 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15835 (bss_noswitch_section): New variables.
15836 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15837 (get_noswitch_section): New function.
15838 (get_block_for_section): Allow SECT to be null.
15839 (unlikely_text_section_p): Use SECTION_STYLE.
15840 (bss_initializer_p): New function.
15841 (get_variable_section): Move earlier in file. Take a new argument,
15842 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15843 Return one of the new *_sections in such cases.
15844 (get_block_for_decl): New function, extracting some logic from
15845 use_blocks_for_decl_p.
15846 (change_symbol_section): Remove in favor of...
15847 (change_symbol_block): ...this new function.
15848 (use_blocks_for_decl_p): Remove checks now performed by
15849 get_block_for_decl.
15850 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15851 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15852 (emit_local, emit_bss, emit_common): ...these new functions.
15853 Return true if the alignment was honored.
15854 (emit_tls_common): New function.
15855 (asm_emit_uninitialised): Delete.
15856 (assemble_variable_noswitch): New function, split out from...
15857 (assemble_variable): ...here. Don't make decisions about common
15858 variables here. Globalize all public decls that go into non-common
15859 sections. Check whether SYMBOL_REF_BLOCK is null.
15860 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15861 (output_constant_pool): Likewise.
15862 (init_varasm_once): Initialize the new section variables.
15863 (have_global_bss_p): New function.
15864 (categorize_decl_for_section): Use bss_initializer_p.
15865 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15866 (place_block_symbol): Assert that the symbol must be in a block.
15867 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15868 (TARGET_INITIALIZER): Include it.
15869 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15870 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15871 (SECTION_MACH_DEP): Bump by two.
15872 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15873 (unnamed_section): Mention SECTION_UNNAMED in comment.
15874 (named_section): Likewise SECTION_NAMED.
15875 (noswitch_section_callback): New type.
15876 (noswitch_section): New structure.
15877 (section): Add a noswitch_section alternative.
15878 (SECTION_STYLE): New macro.
15879 (tls_comm_section, comm_section, lcomm_section): Declare.
15880 (bss_noswitch_section, have_global_bss_p): Declare.
15881 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15882 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15884 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15885 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15888 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15890 * tree-vrp.c (execute_vrp): Return value.
15891 * regrename.c (rest_of_handle_regrename): Ditto.
15892 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15893 * tree-complex.c (tree_lower_complex): Ditto.
15894 (tree_lower_complex_O0): Ditto.
15895 * tracer.c (rest_of_handle_tracer): Ditto.
15896 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15897 * postreload.c (rest_of_handle_postreload): Ditto.
15898 * tree-tailcall.c (execute_tail_recursion): Ditto.
15899 (execute_tail_calls): Ditto.
15900 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15901 * tree.h (init_function_for_compilation): Ditto.
15902 * ipa-cp.c (ipcp_driver): Ditto.
15903 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15904 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15905 * final.c (compute_alignments): Ditto.
15906 (rest_of_handle_final): Ditto.
15907 (rest_of_handle_shorten_branches): Ditto.
15908 (rest_of_clean_state): Ditto.
15909 * omp-low.c (execute_expand_omp): Ditto.
15910 (execute_lower_omp): Ditto.
15911 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15912 * ipa-reference.c (static_execute): Ditto.
15913 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15914 * reorg.c (rest_of_handle_delay_slots): Ditto.
15915 (rest_of_handle_machine_reorg): Ditto.
15916 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15917 * flow.c (recompute_reg_usage): Ditto.
15918 (rest_of_handle_remove_death_notes): Ditto.
15919 (rest_of_handle_life): Ditto.
15920 (rest_of_handle_flow2): Ditto.
15921 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15922 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15923 (do_ssa_store_ccp): Ditto.
15924 (execute_fold_all_builtins): Ditto.
15925 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15926 * modulo-sched.c (rest_of_handle_sms): Ditto.
15927 * ipa-pure-const.c (static_execute): Ditto.
15928 * cse.c (rest_of_handle_cse): Ditto.
15929 (rest_of_handle_cse2): Ditto.
15930 * web.c (rest_of_handle_web): Ditto.
15931 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15932 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15933 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15934 * tree-nrv.c (tree_nrv): Ditto.
15935 (execute_return_slot_opt): Ditto.
15936 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15937 (create_structure_vars): Ditto.
15938 * loop-init.c (rtl_loop_init): Ditto.
15939 (rtl_loop_done): Ditto.
15940 (rtl_move_loop_invariants): Ditto.
15941 (rtl_unswitch): Ditto.
15942 (rtl_unroll_and_peel_loops): Ditto.
15943 (rtl_doloop): Ditto.
15944 * gimple-low.c (lower_function_body): Ditto.
15945 (mark_used_blocks): Ditto.
15946 * tree-ssa-sink.c (execute_sink_code): Ditto.
15947 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15948 (cgraph_early_inlining): Ditto.
15949 * global.c (rest_of_handle_global_alloc): Ditto.
15950 * jump.c (cleanup_barriers): Ditto.
15951 (purge_line_number_notes): Ditto.
15952 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15953 (rest_of_handle_if_after_reload): Ditto.
15954 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15955 (tree_ssa_loop_im): Ditto.
15956 (tree_ssa_loop_unswitch): Ditto.
15957 (tree_vectorize): Ditto.
15958 (tree_linear_transform): Ditto.
15959 (tree_ssa_loop_ivcanon): Ditto.
15960 (tree_ssa_empty_loop): Ditto.
15961 (tree_ssa_loop_bounds): Ditto.
15962 (tree_complete_unroll): Ditto.
15963 (tree_ssa_loop_prefetch): Ditto.
15964 (tree_ssa_loop_ivopts): Ditto.
15965 (tree_ssa_loop_done): Ditto.
15966 * predict.c (tree_estimate_probability): Ditto.
15967 * recog.c (split_all_insns_noflow): Ditto.
15968 (rest_of_handle_peephole2): Ditto.
15969 (rest_of_handle_split_all_insns): Ditto.
15970 * tree-eh.c (lower_eh_constructs): Ditto.
15971 * regmove.c (rest_of_handle_regmove): Ditto.
15972 (rest_of_handle_stack_adjustments): Ditto.
15973 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15974 * function.c (instantiate_virtual_regs): Ditto.
15975 (init_function_for_compilation): Ditto.
15976 (rest_of_handle_check_leaf_regs): Ditto.
15977 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15978 (rest_of_handle_gcse): Ditto.
15979 * ipa-type-escape.c (type_escape_execute): Ditto.
15980 * alias.c (rest_of_handle_cfg): Ditto.
15981 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15982 * profile.c (rest_of_handle_branch_prob): Ditto.
15983 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15984 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15985 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15986 * tree-dfa.c (find_referenced_vars): Ditto.
15987 * except.c (set_nothrow_function_flags): Ditto.
15988 (convert_to_eh_region_ranges): Ditto.
15989 (rest_of_handle_eh): Ditto.
15990 * emit-rtl.c (unshare_all_rtl): Ditto.
15991 (remove_unnecessary_notes): Ditto.
15992 * except.h (set_nothrow_function_flags): Ditto.
15993 (convert_to_eh_region_ranges): Ditto.
15994 * cfgexpand.c (tree_expand_cfg): Ditto.
15995 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15996 * tree-ssa-pre.c (do_pre): Ditto.
15997 (execute_fre): Ditto.
15998 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15999 (rest_of_handle_jump2): Ditto.
16000 * tree-sra.c (tree_sra): Ditto.
16001 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16002 (execute_mudflap_function_decls): Ditto.
16003 * tree-ssa-copy.c (do_copy_prop): Ditto.
16004 (do_store_copy_prop): Ditto.
16005 * ipa-prop.h (ipcp_driver): Ditto.
16006 * cfglayout.c (insn_locators_initialize): Ditto.
16007 * tree-ssa-forwprop.c
16008 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16009 * cfglayout.h (insn_locators_initialize): Ditto.
16010 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16011 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16012 (execute_late_warn_uninitialized): Ditto.
16013 * rtl.h (cleanup_barriers): Ditto.
16014 (split_all_insns_noflow): Ditto.
16015 (purge_line_number_notes): Ditto.
16016 (unshare_all_rtl): Ditto.
16017 (remove_unnecessary_notes): Ditto.
16018 (recompute_reg_usage): Ditto.
16019 (variable_tracking_main): Ditto.
16020 * integrate.c (emit_initial_value_sets): Ditto.
16021 * integrate.h (emit_initial_value_sets): Ditto.
16022 * tree-optimize.c (execute_free_datastructures): Ditto
16023 (execute_free_cfg_annotations): Ditto.
16024 (execute_fixup_cfg): Ditto.
16025 (execute_cleanup_cfg_pre_ipa): Ditto.
16026 (execute_cleanup_cfg_post_optimizing): Ditto.
16027 (execute_init_datastructures): Ditto.
16028 * tree-object-size.c (compute_object_sizes): Ditto.
16029 * combine.c (rest_of_handle_combine): Ditto.
16030 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16031 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16032 (rest_of_handle_reorder_blocks): Ditto.
16033 (rest_of_handle_partition_blocks): Ditto.
16034 * var-tracking.c (variable_tracking_main): Ditto.
16035 * tree-profile.c (tree_profiling): Ditto.
16036 * tree-vect-generic.c (expand_vector_operations): Ditto.
16037 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16038 * sched-rgn.c (rest_of_handle_sched): Ditto.
16039 (rest_of_handle_sched2): Ditto.
16040 * basic-block.h (free_bb_insn): Ditto.
16041 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16042 * tree-cfg.c (execute_build_cfg): Ditto.
16043 (remove_useless_stmts): Ditto.
16044 (split_critical_edges): Ditto.
16045 (execute_warn_function_return): Ditto.
16046 (execute_warn_function_noreturn): Ditto.
16047 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16048 * cfgrtl.c (free_bb_for_insn): Ditto.
16049 * passes.c (execute_one_pass): Run additional
16050 todos returned by execute function.
16051 * tree-pass.h (struct tree_opt_pass): Make execute
16054 2006-03-02 Richard Guenther <rguenther@suse.de>
16056 * tree-ssa-alias.c (find_used_portions): Consider taking
16057 the address as making the variable not write-only.
16059 2006-03-02 Nick Clifton <nickc@redhat.com>
16061 * config.gcc (default_use_cxa_atexit): Extend the description of
16062 this configure variable. Set its default value to "yes" for
16063 Linux, NetBSD and ELF targets on the assumption that they will
16064 use C libraries with the __cxa_atexit function.
16066 2006-03-02 Ben Elliston <bje@au.ibm.com>
16068 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16069 parameter as unused to suppress a build warning.
16071 2006-03-02 Ben Elliston <bje@au.ibm.com>
16073 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16076 2006-03-01 Roger Sayle <roger@eyesopen.com>
16079 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16080 declared name, the weak reference name, and the typeof name.
16081 (__gthrw): Avoid expanding the declared name suffix.
16082 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16084 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16086 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16088 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16089 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16090 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16091 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16092 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16093 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16094 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16095 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16096 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16097 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16098 (DW_END_default, DW_END_big, DW_END_little): New.
16099 (DW_END_lo_user, DW_END_hi_user): Define.
16100 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16101 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16102 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16105 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16107 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16109 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16111 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16113 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16115 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16116 to 'symbol_mem_tag'.
16118 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16121 2006-03-01 Roger Sayle <roger@eyesopen.com>
16123 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16125 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16128 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16129 MACHO_DYNAMIC_NO_PIC_P.
16130 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16132 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16135 * config/darwin-protos.h (darwin_asm_output_anchor):
16137 * config/darwin-sections.def (cstring_section):
16138 Add SECTION_MERGE to the flags.
16139 (literal4_section): Likewise.
16140 (literal8_section): Likewise.
16141 (objc_selector_refs_section): Likewise.
16142 (objc_cls_refs_section): Likewise.
16143 * config/darwin.c (darwin_asm_output_anchor): New
16145 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16147 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16149 Fix PR tree-optimization/26443
16150 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16151 to todo and PROP_tmt_usage to properties_destroyed.
16152 * tree-ssa-ccp.c (pass_ccp): Ditto.
16153 (pass_store_ccp): Ditto.
16154 * tree-ssa-dom.c (pass_dominator): Ditto.
16156 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16158 * tree-ssa-operands.c: Cleanup whitespace.
16159 (get_asm_expr_operands): Move before first invocation.
16160 (get_indirect_ref_operands): Likewise.
16161 (get_tmr_operands): Likewise.
16162 (get_call_expr_operands): Likewise.
16163 (append_def): Likewise.
16164 (append_use): Likewise.
16165 (append_v_may_def): Likewise.
16166 (append_v_must_def): Likewise.
16167 (add_call_clobber_ops): Likewise.
16168 (add_call_read_ops): Likewise.
16169 (add_stmt_operand): Likewise.
16170 (add_virtual_operand): Likewise.
16171 (build_ssa_operands): Likewise.
16173 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16175 PR middle-end/26022
16177 PR middle-end/24437
16178 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16179 with a call expr to ...
16180 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16182 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16184 * tree-vrp.c (extract_range_from_assert): Remove special
16185 handling for types with super-types.
16187 2006-03-01 Ben Elliston <bje@au.ibm.com>
16189 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16190 and powerpc64-*-linux* configurations.
16191 * config/t-dfprules: New file.
16193 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16194 Compile dfp-bit.c from the source directory using -DWIDTH and
16195 $DFP_CFLAGS to control the compilation of that file, rather than
16196 generating width-specific versions in the build directory.
16197 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16198 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16200 2006-02-28 Zack Weinberg <zackw@panix.com>
16202 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16205 2006-02-28 Eric Christopher <echristo@apple.com>
16207 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16208 Set up IN_LIBGCC definition of TARGET_64BIT.
16209 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16211 2006-02-28 Roger Sayle <roger@eyesopen.com>
16213 PR middle-end/14752
16214 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16215 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16216 cases via the construction of "expr != 0".
16218 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16220 * alias.c (alias_invariant, alias_invariant_size): Remove.
16221 (record_base_value): Remove.
16222 (memrefs_conflict_p): Don't look at alias_invariant.
16223 (end_alias_analysis): Don't free it.
16224 * alias.h (record_base_value): Remove prototype.
16226 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16227 Adam Nemet <anemet@caviumnetworks.com>
16229 * rtl.h (truncated_to_mode): Declare it.
16230 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16231 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16232 (RTL_HOOKS_INITIALIZER): Include it.
16233 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16234 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16235 reg_truncated_to_mode.
16236 * rtlanal.c (truncated_to_mode): Define it.
16237 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16239 2006-02-28 Jeff Law <law@redhat.com>
16241 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16242 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16243 the range allowed by TYPE_PRECISION.
16245 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16247 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16249 PR tree-optimization/26419
16250 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16253 2006-02-27 Zack Weinberg <zackw@panix.com>
16255 * doc/md.texi: Fix typo in previous change.
16257 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16261 2006-02-27 Zack Weinberg <zackw@panix.com>
16263 * rtl.def (define_constraint, define_register_constraint)
16264 (define_memory_constraint, define_address_constraint): New MD forms.
16265 * gensupport.c (process_rtx): Put define_constraint etc on the
16267 * genpreds.c (process_define_predicate): Adjust comment. Validate
16268 the name, and call validate_exp to validate the expression.
16269 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16270 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16271 all callers changed.
16272 (validate_exp, needs_variable, struct constraint_data)
16273 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16274 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16275 (const_dbl_constraints, constraint_max_namelen)
16276 (have_register_constraints, have_memory_constraints)
16277 (have_address_constraints, have_address_constraints)
16278 (have_extra_constraints, have_const_int_constraints)
16279 (have_const_dbl_constraints, mangle, add_constraint)
16280 (process_define_constraint, process_define_register_constraint)
16281 (write_enum_constraint_num, write_lookup_constraint)
16282 (write_insn_constraint_len, write_regclass_for_constraint)
16283 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16284 (write_insn_extra_memory_constraint)
16285 (write_insn_extra_address_constraint)
16286 (write_satisfies_constraint_fns): New.
16287 (write_tm_preds_h): If we have new-style constraint definitions,
16288 prototype the functions generated from them, and define the
16289 old constraint interface (still used by generic code) in terms of
16291 (write_insn_preds_c): If we have new-style constraint definitions,
16292 generate all relevant functions from those definitions.
16293 (main): Handle define_constraint etc.
16294 * genoutput.c (struct constraint_data, indep_constraints)
16295 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16296 (mdep_constraint_len): New data structures and functions, defined
16297 #ifdef USE_MD_CONSTRAINTS.
16298 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16299 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16300 use new logic to validate operand constraints against constraint
16302 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16304 * defaults.h: If none of the old-style constraint macros are
16305 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16306 old-style macros; and poison REG_CLASS_FROM_LETTER,
16307 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16309 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16310 * doc/md.texi: Document new constraint-definition mechanism and the
16311 C interface it provides. Remove references to old mechanism
16312 elsewhere in the document.
16313 (Machine Constraints): Use pathnames relative to gcc directory,
16314 i.e. config/ARCH/FILE. Change i386 section to refer to
16315 config/i386/predicates.md; update that section to match docstrings.
16316 * doc/tm.texi: Move all documentation of the old constraint-
16317 definition macros to their own section, clearly mark as obsolete.
16319 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16320 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16322 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16323 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16324 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16325 constraint strings.
16326 (splits and peepholes): Use satisfies_constraint_*.
16327 * config/i386/i386.c (memory_address_length)
16328 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16330 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16332 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16333 scalar operation to be put back into the loop.
16335 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16338 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16339 (extract_cie_info): Handle S flag in augmentation string.
16340 (execute_cfa_program): If context->signal_frame, execute also
16341 fs->pc == context->ra instructions.
16342 (uw_frame_state_for): If context->signal_frame, don't subtract one
16343 from context->ra to find FDE.
16344 (uw_update_context_1): Set context->signal_frame to
16346 (_Unwind_GetIPInfo): New function.
16347 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16348 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16350 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16351 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16352 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16353 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16354 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16355 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16356 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16357 x86_64_fallback_frame_state): Set fs->signal_frame.
16358 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16359 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16360 (frob_update_context): Likewise. Workaround missing S flag in
16361 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16362 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16363 Remove the psw_addr + 1 hack.
16365 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16367 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16368 with aggregates here.
16369 (find_func_aliases): Remove code for &<aggregate> from here.
16371 2006-02-26 Roger Sayle <roger@eyesopen.com>
16373 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16374 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16375 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16376 as (X & C) ne/eq 0.
16378 2006-02-26 Roger Sayle <roger@eyesopen.com>
16380 PR middle-end/19983
16381 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16383 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16385 * opts.c (decode_options): Do not handle flag_strength_reduce.
16386 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16387 and OPT_fstrength_reduce.
16388 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16389 flag_prefetch_loop_arrays for being nonzero.
16390 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16392 (fprefetch-loop-arrays-rtl): Removed.
16393 (flag_prefetch_loop_arrays): Do not specify the value.
16395 * doc/passes.texi: Update documentation of loop optimizer
16397 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16398 -frerun-loop-opt): Remove.
16400 2006-02-26 Richard Guenther <rguenther@suse.de>
16402 PR tree-optimization/26421
16403 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16404 in function calls that are ADDR_EXPRs as using the whole structure.
16406 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16408 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16409 * tree-pass.h (pass_loop_optimize): Remove.
16410 * passes.c (pass_loop_optimize): Never run it.
16411 * toplev.c (backend_init): Don't call init_loop.
16412 * opts.c (flag_loop_optimize_set): Remove.
16413 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16414 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16415 the old RTL loop optimizer when profiling enabled.
16416 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16417 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16418 pre-headers for the sake of the old RTL loop optimizer.
16419 * Makefile.in: Remove all references to loop.o.
16421 * doc/invoke.texi: Remove all references to -floop-optimize
16422 and -frerun-loop-opt.
16424 2006-02-26 Zack Weinberg <zackw@panix.com>
16426 * doc/md.texi (Machine Constraints): Refer to all files with paths
16427 relative to gcc directory (i.e. config/CPU/file). Add missing
16428 @table @code ... @end table to M32C subsection.
16430 2006-02-26 Roger Sayle <roger@eyesopen.com>
16432 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16434 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16436 2006-02-26 Roger Sayle <roger@eyesopen.com>
16437 James A. Morrison <phython@gcc.gnu.org>
16439 PR middle-end/21137
16440 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16441 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16442 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16443 signedness of the shift operation.
16445 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16447 PR tree-optimization/26359
16448 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16450 2006-02-25 Roger Sayle <roger@eyesopen.com>
16452 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16453 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16454 as X == 0, and some symmetry related transformations.
16455 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16457 2006-02-25 Roger Sayle <roger@eyesopen.com>
16459 PR middle-end/23673
16460 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16461 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16462 symmetry related transformations. Fold (X^C1) == C2 as
16465 2006-02-25 Juergen Weigert <jw@suse.de>
16466 Richard Guenther <rguenther@suse.de>
16468 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16470 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16472 * combine.c (gen_lowpart_or_truncate): Call
16473 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16475 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16477 * doc/invoke.texi: Move -fopenmp description to "Options for
16479 Remove reference to -lgomp.
16481 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16483 * doc/install.texi: Require GNU tar version 1.14.
16485 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16487 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16488 * doc/invoke.texi (C++ Dialect Options): Document
16489 -fno-use-cxa-get-exception-ptr.
16490 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16491 * configure: Regenerate.
16492 * c.opt (fuse-cxa-get-exception-ptr): New.
16493 * c-opts.c (c_common_handle_option): Handle
16494 OPT_fuse_cxa_get_exception_ptr.
16495 * c-common.c (flag_use_cxa_atexit): Update documentation.
16496 (flag_use_cxa_get_exception_ptr): New.
16497 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16498 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16500 (C_COMMON_OVERRIDE_OPTIONS): New.
16502 2006-02-24 Roger Sayle <roger@eyesopen.com>
16504 PR middle-end/24952
16505 * combine.c (try_combine): Explicitly check whether GET_CODE is
16506 a SET or a CLOBBER, instead on checking that it isn't a USE.
16508 2006-02-24 Roger Sayle <roger@eyesopen.com>
16510 * fold-const.c (fold_comparison): New subroutine of fold_binary
16511 containing transformations common to both the equality and
16512 ordering relational operators, factored out of fold_binary.
16513 (fold_binary): Separate out the equality operators (EQ_EXPR
16514 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16515 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16516 transformations common to both.
16517 (fold_div_compare): Fix latent bugs in the previously unreachable
16518 LT_EXPR and GE_EXPR cases.
16520 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16522 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16523 decl libname for clog to __clog on AIX.
16525 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16527 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16530 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16531 output traceback table for thunks. Localise rs6000_stack_info call.
16533 2006-02-23 Roger Sayle <roger@eyesopen.com>
16534 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16536 * gthr-posix.h (__gthrw): Fix typo in comment.
16538 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16540 * doc/cpp.texi (Character sets): Document that we do support
16541 input files to be in any character set.
16543 2006-02-23 Jeff Law <law@redhat.com>
16545 * tree.h (PHI_ARG_NONZERO): Remove.
16546 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16547 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16548 node to the new node.
16550 PR tree-optimization/26425
16551 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16552 min/max, then assume its varying.
16554 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16556 PR rtl-optimization/26316
16557 * rtlanal.c (enum may_trap_p_flags): New.
16558 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16559 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16560 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16561 (may_trap_after_code_motion_p): New function.
16562 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16563 (find_invariant_insn): Use may_trap_after_code_motion_p.
16564 * rtl.h (may_trap_after_code_motion_p): Declare.
16566 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16568 * emit-rtl.c (immed_double_const): Cleanup.
16570 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16572 Fix PR tree-optimization/26376
16573 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16576 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16578 PR middle-end/26412
16579 * gimplify.c (omp_add_variable): Guard variable size decl test with
16580 DECL_SIZE (decl) check.
16582 2006-02-23 Richard Guenther <rguenther@suse.de>
16584 PR middle-end/26439
16585 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16586 like aggregate types.
16588 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16590 * configure.ac: Add --with{,out}-long-double-128 configure option.
16591 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16592 * configure: Rebuilt.
16593 * config.in: Rebuilt.
16594 * doc/install.texi (Options specification): Document
16595 --with-long-double-128.
16597 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16598 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16599 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16600 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16602 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16604 * config/s390/s390.c (override_options): Handle
16605 TARGET_DEFAULT_LONG_DOUBLE_128.
16607 * config/alpha/alpha.c (override_options): Handle
16608 TARGET_DEFAULT_LONG_DOUBLE_128.
16610 * config/sparc/sparc.c (sparc_override_options): Handle
16611 TARGET_DEFAULT_LONG_DOUBLE_128.
16613 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16615 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16616 (real-install-headers-tar, real-install-headers-cpio)
16617 (real-install-headers-cp): New targets.
16619 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16621 * tree.h (variable_section): Delete.
16622 * varasm.c (variable_section): Delete.
16624 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16626 * install.texi: Add notes on install.texi2html.
16627 (Building in parallel): Do not use footnotes.
16629 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16632 * doc/install.texi (Configuration): Document --disable-libgomp.
16634 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16636 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16638 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16640 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16641 (vec_extractv2df_0_sse): New.
16643 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16645 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16646 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16647 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16648 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16649 to the result of the expression.
16650 (def_cfa_1): Adjust.
16651 (frame_pointer_cfa_offset): Rename to...
16652 (frame_pointer_fb_offset): ... this. Adjust all uses.
16653 (convert_cfa_to_loc_list): Rename to...
16654 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16655 Pass it on to build_cfa_loc.
16656 (compute_frame_pointer_to_cfa_displacement): Rename to...
16657 (compute_frame_pointer_to_fb_displacement): ... this. New
16658 offset parameter. Use it in computation.
16659 (gen_subprogram_die): Compute cfa_fb_offset with the new
16660 macro, and use it to compute the fb loc list and the
16663 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16665 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16666 replaced with register_operand.
16667 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16668 non-DREG is expensive.
16669 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16670 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16673 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16675 * doc/install.texi2html: Use set -e.
16677 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16679 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16680 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16681 * doc/invoke.texi (-fshared-data): Delete.
16682 * common.opt (fshared-data): Delete.
16683 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16684 (assemble_static_space): Remove #if 0 code.
16685 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16686 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16687 * config/cris/cris.h: Remove FIXME.
16689 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16691 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16694 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16696 PR middle-end/26379
16697 * combine.c (simplify_shift_const_1): Disable nested shifts
16698 optimization for vector shifts.
16700 2006-02-20 Roger Sayle <roger@eyesopen.com>
16702 PR tree-optimization/26361
16703 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16704 of unsigned integer types.
16706 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16708 * tree-chrec.c (eq_evolutions_p): New.
16709 * tree-chrec.h (eq_evolutions_p): Declared.
16710 * tree-data-ref.c: Fix formatting.
16711 (datadep_stats, dependence_stats): New.
16713 (print_direction_vector): New.
16714 (dump_data_dependence_relation): Use print_direction_vector.
16715 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16716 (compute_subscript_distance): Static.
16717 (initialize_data_dependence_relation): Static. Get the number
16718 of loops surrounding the references from the callers, and initialize
16719 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16720 base_object_differ_p analyzers.
16721 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16722 compute_overlap_steps_for_affine_1_2,
16723 analyze_subscript_affine_affine): Count the classified dependences.
16724 Print a message when a test failed.
16725 (can_use_analyze_subscript_affine_affine): New.
16726 (analyze_siv_subscript): Compute the data dependences on symbolic
16727 scevs that verify can_use_analyze_subscript_affine_affine.
16728 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16729 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16730 Handle symbolic scevs.
16731 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16733 (subscript_dependence_tester): Moved...
16734 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16735 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16736 DDR_SIZE_VECT instead of getting it in parameter.
16737 (subscript_dependence_tester): ... here. Take as a parameter
16738 loop_nest_depth. Call build_classic_dist_vector and
16739 build_classic_dir_vector.
16740 (compute_affine_dependence): Update subscript_dependence_tester
16741 parameters. Update datadep_stats counters. Call
16742 compute_subscript_distance.
16743 (compute_self_dependence): Save the dist and dir vectors. Call
16744 compute_subscript_distance.
16745 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16746 (compute_all_dependences): Reorder parameters as they were before
16747 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16748 compute_subscript_distance. Update the use of
16749 compute_affine_dependence and initialize_data_dependence_relation.
16750 (find_data_references_in_loop): Handle COMPONENT_REF.
16751 (compute_data_dependences_for_loop): Initialize dependence_stats.
16752 Don't call build_classic_dist_vector and build_classic_dir_vector.
16753 Update the parameters of initialize_data_dependence_relation and
16754 compute_all_dependences. Print the statistics from datadep_stats.
16755 (analyze_all_data_dependences): Static. Not used until the pass for
16756 checking the data dependences is contributed.
16757 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16758 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16759 (initialize_data_dependence_relation, compute_affine_dependence,
16760 analyze_all_data_dependences, compute_subscript_distance): Removed.
16761 (print_direction_vector): New.
16762 * lambda.h (gcd): ... here.
16763 (lambda_vector_gcd): Moved here from gcd_vector.
16764 * lambda-code.c (gcd, gcd_vector): Removed.
16765 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16766 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16768 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16770 * ipa-type-escape.c: Tidy some comments and white space.
16771 * tree-ssa-operands.c: Likewise.
16773 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16776 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16777 (dump_decl_name): Do not walk the decl tree chains.
16778 * tree-pass.h (TDF_CHAIN): Remove.
16780 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16782 * Makefile.in (C): Remove
16784 (.PHONY): Remove C and PROTO
16786 2006-02-20 Roger Sayle <roger@eyesopen.com>
16788 PR middle-end/26236
16789 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16790 deprecated CHAR_TYPE tree code.
16792 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16794 * configure.ac (target_list): Add install-info, dvi, html.
16795 * configure: Regenerate.
16797 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16798 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16799 treelang/Make-lang.in: Do not use double-colon rules.
16801 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16803 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16804 (TMT_USED_ALONE): New macro.
16805 * tree-pass.h (PROP_tmt_usage): New property.
16806 (TODO_update_tmt_usage): New todo.
16807 * tree-ssa-alias.c (updating_used_alone): New variable.
16808 (recalculate_used_alone): New function.
16809 (compute_may_aliases): Set updating_used_alone, call
16810 recalculate_used_alone.
16811 * tree-sra.c (pass_sra): Note that this pass destroys
16812 PROP_tmt_usage, and add TODO_update_tmt_usage.
16813 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16814 * tree-flow.h (updating_used_alone): Prototype.
16815 (recalculate_used_alone): Ditto.
16816 * passes.c (execute_todo): Add code to set updating_used_alone,
16817 and call recalculate.
16818 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16819 for clobber if used alone, and add assert to verify used_alone
16822 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16824 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16825 for non tls symbols added.
16826 (legitimize_address): Do nothing for PLUS expressions if one of the
16827 addends is a tls symbol reference.
16829 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16833 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16835 * Makefile.in (BOOTSTRAPPING): New.
16836 (quickstrap): New definition if BOOTSTRAPPING=yes.
16838 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16839 * configure.ac: Substitute all_selected_languages with the languages
16840 that were configured. For all the other variables except
16841 lang_specs_files, include all the languages in the tree.
16842 * configure: Regenerate.
16844 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16845 if there is one. Run the commands to run fixincludes in the same
16848 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16849 * doc/install.texi: Document exact conventions for searching target tools.
16850 Document --with-build-time-tools. Document toplevel bootstrap. Document
16851 something more about building an Ada cross-compiler. Don't list GNU Make
16852 requirements which affect all platforms.
16854 2006-02-19 Roger Sayle <roger@eyesopen.com>
16856 PR middle-end/19543
16857 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16858 only equivalent if the have both the same mode and precision.
16860 2006-02-20 Ben Elliston <bje@au.ibm.com>
16862 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16864 2006-02-19 Roger Sayle <roger@eyesopen.com>
16865 Steven Bosscher <stevenb.gcc@gmail.com>
16867 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16868 constant pool references to identify stack mode constants.
16869 * rtlanal.c (constant_pool_constant_p): New predicate to check
16870 whether operand is a floating point constant in the pool.
16871 * rtl.h (constant_pool_constant_p): Prototype here.
16872 * loop.c (scan_loop): Avoid hoisting constants from the constant
16873 pool on STACK_REGS targets.
16874 (load_mems): Likewise.
16875 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16876 loads into x87 registers expensive in terms of register pressure.
16878 2006-02-19 Roger Sayle <roger@eyesopen.com>
16880 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16881 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16883 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16885 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16886 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16888 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16890 * doc/invoke.texi: Document -fipa-pta.
16891 * common.opt: Add ipa-pta option.
16892 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16893 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16894 (do_ds_constraint): Ditto.
16895 (get_constraint_for): Only add to referenced_vars if
16896 referenced_vars exists.
16897 (insert_into_field_list): Rewrite to do this unsorted.
16898 (insert_into_field_list_sorted): Rename old insert_into_field_list
16900 (create_function_info_for): Use insert_into_field_list_sorted.
16901 (create_variable_info_for): Rewrite so it uses unsorted version,
16902 since the field list is sorted.
16903 (intra_create_variable_infos): Only add to referenced_vars if
16904 referenced_vars exists.
16905 (ipa_pta_execute): Init heapvars, and delete when done.
16906 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16908 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16910 * doc/install.texi: Add missing `@samp'.
16912 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16914 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16917 2006-02-18 Mark Wielaard <mark@klomp.org>
16919 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16920 who added new 4.1 features, bug fixes and integration support.
16922 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16925 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16926 MEM for ABI_V4 pic.
16928 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16930 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16931 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16932 (copy_insn_1): Likewise. Don't copy each field individually.
16934 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16936 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16937 * rtl.c (rtx_size): Rename variable to...
16938 (rtx_code_size): ...this.
16939 (rtx_size): New function.
16940 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16941 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16943 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16944 * rtl.h (rtx_code_size): New variable.
16945 (rtx_size): Change from a variable to a function.
16946 (RTX_SIZE): Rename to...
16947 (RTX_CODE_SIZE): ...this.
16950 PR tree-optimization/17106
16951 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16952 (Anchored Addresses): New section.
16953 * doc/invoke.texi (-fsection-anchors): Document.
16954 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16955 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16956 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16957 * hooks.c (hook_bool_mode_rtx_false): New function.
16958 * hooks.h (hook_bool_mode_rtx_false): Declare.
16959 * gengtype.c (create_optional_field): New function.
16960 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16961 SYMBOL_REF_IN_BLOCK_P is true.
16962 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16963 (min_anchor_offset, max_anchor_offset): Likewise.
16964 (use_anchors_for_symbol_p): New hook.
16965 * toplev.c (compile_file): Call output_object_blocks.
16966 (target_supports_section_anchors_p): New function.
16967 (process_options): Check that -fsection-anchors is only used on
16968 targets that support it and when -funit-at-a-time is in effect.
16969 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16970 if the decl doesn't have one.
16971 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16972 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16973 of force_const_mem through use_anchored_address.
16974 (expand_expr_constant): New function.
16975 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16976 calling expand_expr for INDIRECT_REF.
16977 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16978 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16979 * expr.h (use_anchored_address): Declare.
16980 * loop-unroll.c: Don't declare rtx vectors here.
16981 * explow.c: Include output.h.
16982 (validize_mem): Call use_anchored_address.
16983 (use_anchored_address): New function.
16984 * common.opt (-fsection-anchors): New switch.
16985 * varasm.c (object_block_htab, anchor_labelno): New variables.
16986 (hash_section, object_block_entry_eq, object_block_entry_hash)
16987 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16988 (use_blocks_for_decl_p, change_symbol_section): New functions.
16989 (get_variable_section): New function, split out from assemble_variable.
16990 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16991 use_blocks_for_decl_p say so. Use change_symbol_section if the
16992 symbol has already been created.
16993 (assemble_variable_contents): New function, split out from...
16994 (assemble_variable): ...here. Don't output any code for
16995 block symbols; just pass them to place_block_symbol.
16996 Use get_variable_section and assemble_variable_contents.
16997 (get_constant_alignment, get_constant_section, get_constant_size): New
16998 functions, split from output_constant_def_contents.
16999 (build_constant_desc): Create a block symbol if use_object_blocks_p
17000 says so. Or into SYMBOL_REF_FLAGS.
17001 (assemble_constant_contents): New function, split from...
17002 (output_constant_def_contents): ...here. Don't output any code
17003 for block symbols; just pass them to place_section_symbol.
17004 Use get_constant_section and get_constant_alignment.
17005 (force_const_mem): Create a block symbol if use_object_blocks_p and
17006 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17007 (output_constant_pool_1): Add an explicit alignment argument.
17008 Don't switch sections here.
17009 (output_constant_pool): Adjust call to output_constant_pool_1.
17010 Switch sections here instead. Don't output anything for block symbols;
17011 just pass them to place_block_symbol.
17012 (init_varasm_once): Initialize object_block_htab.
17013 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17014 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17015 (place_block_symbol, get_section_anchor, output_object_block)
17016 (output_object_block_htab, output_object_blocks): New functions.
17017 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17018 (TARGET_ASM_OUT): Include it.
17019 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17020 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17021 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17022 (TARGET_INITIALIZER): Include them.
17023 * rtl.c (rtl_check_failed_block_symbol): New function.
17024 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17025 (block_symbol, object_block): New structures.
17026 (rtx_def): Add a block_symbol field to the union.
17027 (BLOCK_SYMBOL_CHECK): New macro.
17028 (rtl_check_failed_block_symbol): Declare.
17029 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17030 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17031 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17032 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17033 * output.h (output_section_symbols): Declare.
17034 (object_block): Name structure.
17035 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17036 (default_use_anchors_for_symbol_p): Declare.
17037 * Makefile.in (RTL_BASE_H): Add vec.h.
17038 (explow.o): Depend on output.h.
17039 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17040 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17041 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17042 (rs6000_use_blocks_for_constant_p): New function.
17044 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17046 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17048 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17051 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17054 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17056 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17060 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17062 PR middle-end/26334
17063 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17064 instead of DECL_REGISTER.
17066 2006-02-18 Olivier Hainque <hainque@adacore.com>
17069 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17071 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17074 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17075 * opth-gen.awk: Handle Var and InverseMask together.
17076 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17077 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17078 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17079 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17081 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17082 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17083 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17084 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17085 LINUX_DYNAMIC_LINKER): Define.
17086 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17087 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17089 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17090 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17091 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17093 (TARGET_C99_FUNCTIONS): Don't define.
17094 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17095 GLIBC_DYNAMIC_LINKER.
17096 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17097 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17098 GLIBC_DYNAMIC_LINKER64): Define.
17099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17100 LINUX_DYNAMIC_LINKER64.
17101 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17103 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17105 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17107 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17108 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17109 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17111 and LINUX_DYNAMIC_LINKER32.
17112 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17114 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17116 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17118 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17119 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17120 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17121 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17122 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17123 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17124 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17125 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17126 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17127 LINUX_DYNAMIC_LINKER): Define.
17128 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17129 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17130 GLIBC_DYNAMIC_LINKER64): Define.
17131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17132 LINUX_DYNAMIC_LINKER64.
17133 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17134 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17135 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17136 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17137 LINUX_DYNAMIC_LINKER): Define.
17138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17139 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17140 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17141 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17142 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17143 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17144 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17145 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17146 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17147 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17149 * doc/invoke.texi (-muclibc): Remove caveat about supported
17152 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17154 * doc/cpp.texi (__TIMESTAMP__): Document.
17156 2006-02-17 Roger Sayle <roger@eyesopen.com>
17158 PR middle-end/25600
17159 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17160 C is one less than the width of X (and related transformations).
17161 * simplify-rtx.c (simplify_unary_operation_1): Transform
17162 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17163 depending on STORE_FLAG_VALUE, were C is one less then the
17166 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17168 Fix PR tree-optimization/26341
17169 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17170 about NAME_MEMORY_TAG's.
17172 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17175 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17176 with hardware float support, and software float support. Add fcpy
17177 alternative to hardware patterns. Add alternatives to copy between
17178 general and floating-point registers to the 32-bit pattern.
17179 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17180 secondary reload to load a QI or HI mode constant into a floating
17182 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17183 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17185 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17188 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17190 (load_macho_picbase_di): Likewise.
17192 2006-02-16 Jeff Law <law@redhat.com>
17194 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17195 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17196 (ssa_name_nonzero_p): Likewise.
17197 (get_value_range): Return NULL if VRP is not running.
17198 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17199 VRP routines do not discover a range.
17200 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17201 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17202 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17203 (tree_expr_nonnegative_p): Similarly.
17204 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17205 (restore_nonzero_vars_to_original_value): Remove.
17206 (unsafe_associative_fp_binop): Remove.
17207 (tree_ssa_dominator_optimize): Remove initialization and
17208 finalization of nonzero_vars and nonzero_vars_stack.
17209 (dom_opt_initialize_block): No longer push marker on
17210 nonzero_vars_stack.
17211 (dom_opt_finalize_block): No longer call
17212 restore_nonzero_vars_to_original_value.
17213 (record_equivalences_from_phis): No longer look for
17214 nonzero PHI arguments.
17215 (cprop_into_successor_phis): No longer propagate nonzero
17216 property into PHI arguments. Lose unused argument. Caller
17218 (record_equivalences_from_stmt): No longer record nonzero
17219 values for SSA_NAMEs.
17220 (lookup_avail_expr): No longer use nonzero_vars.
17222 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17223 for sizetype when sizetype is unsigned.
17225 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17227 PR rtl-optimization/25603
17228 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17229 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17230 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17231 with new meaning of SETS.
17233 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17238 * config/linux.opt: New file.
17239 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17240 LINUX_DYNAMIC_LINKER): Define.
17241 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17242 * config.gcc (*-*-linux*): Define extra_options.
17243 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17244 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17245 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17246 GLIBC_DYNAMIC_LINKER.
17247 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17248 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17249 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17250 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17251 * doc/invoke.texi (GNU/Linux Options): New section.
17253 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17255 * config/sparc/sparc.md (setjmp): Rewrite.
17256 (setjmp_32): Delete.
17257 (setjmp_64): Likewise.
17259 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17261 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17264 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17266 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17269 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17271 PR rtl-optimization/26296
17272 * Makefile.in (loop-invariant.c): Add except.h dependency.
17273 * loop-invariant.c: Include except.h.
17274 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17276 2005-02-16 Paul Brook <paul@codesourcery.com>
17278 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17281 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17283 PR rtl-optimization/25636
17284 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17285 when deciding whether an insn is an initializing insn.
17287 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17289 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17290 (tree_code_size): Ditto.
17291 * tree.h (struct tree_memory_tag): Remove parent_var.
17292 (struct tree_struct_field_tag): New.
17295 (union tree_node): Add sft member.
17296 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17298 (create_sft): Add size and offset argument, set SFT_OFFSET and
17300 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17301 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17302 * tree-flow-inline.h (get_subvar_at): Update for
17303 SFT_OFFSET/SFT_SIZE.
17304 (var_can_have_subvars): Ditto.
17305 (overlap_subvar): Ditto.
17306 * print-tree.c (print_node): Print out interesting things for
17308 * tree-flow.h (struct subvar): Remove offset and size members.
17309 * tree-ssa-operands.c (get_expr_operands): Update for
17310 get_indirect_ref_operands changes.
17311 (get_indirect_ref_operands): Call add_virtual_operand instead of
17312 add_stmt_operand. Only recurse on base var if requested.
17313 (access_can_touch_variable): New function.
17314 (add_stmt_operand): Split virtual operand handling into ...
17315 (add_virtual_operand): Here. Add offset, size, and for_clobber
17316 arguments. Prune alias sets.
17317 (add_call_clobber_ops): Call add_virtual_operand.
17319 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17321 PR middle-end/26300
17322 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17324 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17325 than TREE_CODE as index into omp_clause_num_ops array.
17327 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17329 PR rtl-optimization/26184
17330 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17332 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17333 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17334 must_precede, must_follow and tobe_scheduled.
17337 * opts.c (common_handle_option): Free new_option pointer.
17338 * df-core.c (df_analyze): Free postorder pointer.
17340 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17342 * Makefile.in: Fix the examples about the use of stamps
17344 2006-02-15 Michael Matz <matz@suse.de>
17346 PR middle-end/22275
17348 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17349 influenced by maximum_field_alignment or DECL_PACKED.
17350 (update_alignment_for_field): Ditto.
17351 (place_field): Ditto.
17352 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17355 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17357 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17358 (debug_flow_info): Pass it.
17359 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17360 * bb-reorder.c (reorder_basic_blocks): Likewise.
17361 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17362 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17363 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17364 * gcse.c (gcse_main, bypass_jumps): Likewise.
17365 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17366 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17367 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17368 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17369 * rtl.h (dump_flow_info): Adjust prototype.
17370 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17371 * var-tracking.c (variable_tracking_main): Likewise.
17372 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17373 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17376 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17378 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17381 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17383 PR tree-optimization/26209
17384 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17385 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17387 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17389 2006-02-14 Roger Sayle <roger@eyesopen.com>
17391 PR middle-end/23670
17392 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17393 (X,Y) and the corresponding symmetry related transformations.
17394 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17395 (X,Y) and its symmetry related transformations.
17397 2006-02-14 Roger Sayle <roger@eyesopen.com>
17399 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17402 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17404 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17406 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17409 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17410 support COMDAT group.
17411 * configure: Regenerate.
17413 2006-02-14 Roger Sayle <roger@eyesopen.com>
17415 PR middle-end/26279
17416 PR middle-end/26280
17417 PR middle-end/26283
17418 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17420 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17422 Fix PR tree-optimization/26260
17424 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17426 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17427 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17428 * tree-ssa-structalias.c (create_variable_info_for): Use
17429 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17431 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17433 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17435 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17436 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17437 of the ending condition.
17438 * tree-ssa-loop-manip.c: Include params.h.
17439 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17440 tree_unroll_loop): New functions.
17441 * tree-pass.h (pass_loop_prefetch): Declare.
17442 * loop.c (rest_of_handle_loop_optimize): Test for
17443 -fprefetch-loop-arrays-rtl.
17444 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17445 * timevar.def (TV_TREE_PREFETCH): New timevar.
17446 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17447 pass_loop_prefetch): New.
17448 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17449 (cleanup_tree_cfg_loop): Call scev_reset.
17450 * common.opt (fprefetch-loop-arrays-rtl): Add.
17451 * tree-ssa-loop-prefetch.c: New file.
17452 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17453 (new_temp_expr_table): Initialize expr_vars.
17454 (free_temp_expr_table): Cleanup expr_vars.
17455 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17456 expressions from being merged into one.
17457 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17458 (struct tree_niter_desc): Add control, bound and cmp fields.
17459 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17461 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17462 (tree-cfgcleanup.o): Add SCEV_H dependency.
17463 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17464 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17466 2006-02-14 Richard Guenther <rguenther@suse.de>
17468 PR tree-optimization/26258
17469 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17470 in PHI argument processing.
17472 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17474 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17475 new expression in the requested machine mode.
17477 2006-02-13 Roger Sayle <roger@eyesopen.com>
17479 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17480 directly, instead let do_compare_rtx_and_jump handle this for us.
17481 * expr.c (expand_expr_real_1): Likewise.
17482 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17483 before do_jump_by_parts_greater.
17484 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17485 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17487 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17489 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17491 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17493 PR rtl-optimization/26235
17494 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17495 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17498 2006-02-13 Jeff Law <law@redhat.com>
17500 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17503 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17505 PR middle-end/26092
17506 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17507 twice if decl is a builtin. When trying again, call get_callee_fndecl
17508 first to verify it is still a builtin.
17510 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17512 * dwarf2out.c (base_type_die): Don't add AT_name here.
17513 (subrange_type_die): Don't add AT_name here.
17514 (modified_type_die): Rearrange code flow. Do add AT_name here.
17516 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17518 PR rtl-optimization/26247
17519 PR rtl-optimization/26248
17520 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17522 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17524 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17525 * config/fixtfdi.c: Likewise.
17526 * config/fixunstfdi.c: Likewise.
17527 * config/floatditf.c: Likewise.
17529 2006-02-13 Roger Sayle <roger@eyesopen.com>
17531 PR middle-end/24427
17532 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17533 into (X,C2) if C1 is a subset of the bits of C2. Transform
17534 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17536 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17538 2006-02-13 Josh Conner <jconner@apple.com>
17541 * varasm.c (function_section): Check for section name before
17542 calling select_section on targets that define
17543 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17544 unlikely_text_section instead of hot_function_section if
17545 first_function_block_is_cold.
17547 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17549 PR middle-end/25335
17550 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17552 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17554 PR rtl-optimization/26222
17555 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17556 after tree->rtl expansion.
17557 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17558 before passing it to emit_move_insn.
17560 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17562 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17564 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17565 Clarify documentation.
17566 * c-common.h (warn_write_strings): Remove.
17567 * c-common.c (warn_write_strings): Likewise.
17568 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17571 2006-02-12 Roger Sayle <roger@eyesopen.com>
17573 PR middle-end/25724
17574 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17575 (do_jump_parts_zero_rtx): New function renamed from
17576 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17577 (do_jump_parts_equality_rtx): New function split out from
17578 do_jump_parts_equality. Old implementation renamed as above.
17579 Call do_jump_parts_zero_rtx if either operand is zero.
17580 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17581 do all of the heavy lifting.
17582 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17583 calling either do_jump_by_parts_greater_rtx or
17584 do_jump_by_parts_equality_rtx.
17585 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17586 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17587 moved to do_compare_rtx_and_jump, call it directly.
17588 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17589 mode argument. Call do_compare_rtx_and_jump.
17590 (emit_case_nodes): Update calls to do_jump_if_equal.
17592 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17594 PR rtl-optimization/26225
17595 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17597 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17599 PR rtl-optimization/26232
17600 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17602 2006-02-11 Jason Merrill <jason@redhat.com>
17605 * tree-inline.c (declare_return_variable): Just don't use the
17606 modify target if it's a gimple complex reg and the return slot
17609 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17611 * doc/contrib.texi: Update my entry.
17613 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17615 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17617 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17619 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17622 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17624 * doc/invoke.texi (-floop-optimize2): Removed.
17625 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17626 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17627 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17628 * common.opt (floop-optimize2): Removed.
17629 (fmove-loop-invariants): Enabled by default.
17631 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17633 * tree-if-conv.c (combine_blocks): Free the result of
17634 get_loop_exit_edges.
17636 2006-02-10 Jeff Law <law@redhat.com>
17638 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17640 PR tree-optimization/26213
17641 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17642 loop trying to follow SSA_NAME_VALUE chains.
17644 2006-02-10 Richard Guenther <rguenther@suse.de>
17646 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17647 deal with structures that end in implicitly variable sized arrays.
17649 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17651 PR rtl-optimization/24762
17652 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17655 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17657 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17658 (struct ivopts_data): Add regs_used field.
17659 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17660 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17661 instead of loop_data->regs_used;
17662 (free_loop_data): Do not free aux fields for loops.
17663 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17664 and tree_ssa_iv_optimize_finalize.
17666 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17668 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17670 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17673 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17674 computing the effective result type.
17676 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17678 PR inline-asm/16194
17679 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17680 (tree_overlaps_hard_reg_set): Declare.
17681 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17682 type and signature to match function type expected by walk_tree.
17683 (tree_overlaps_hard_reg_set): New function.
17684 (decl_conflicts_with_clobbers_p): Rename to:
17685 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17686 Use tree_overlaps_hard_reg_set. Changed caller.
17687 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17688 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17689 * cris.c (cris_md_asm_clobbers): Likewise.
17691 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17693 * reload1.c (emit_input_reload_insns): Delete code that tries to
17694 inherit using find_equiv_reg.
17696 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17698 * c-common.h (flag_const_strings): Don't declare.
17699 * c-common.c (flag_const_strings): Remove.
17700 * c.opt (fconst_strings): Remove.
17701 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17702 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17703 (c_common_init_options): Don't set flag_const_strings.
17704 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17706 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17708 * arm.md (tlobits_cbranch): New pattern.
17709 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17710 testing a single bit.
17712 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17715 * tree-ssa-pre.c (create_component_ref_by_pieces):
17716 Handle RETURN_DECL like VAR_DECL.
17718 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17720 PR middle-end/26134
17721 * fold-const.c (fold_indirect_ref_1): Fold
17722 "*(foo *)&complexfoo" to "__real__ complexfoo"
17723 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17725 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17727 * tree-flow-inline.h (var_can_have_subvars):
17728 Volatile variables should not have subvariables.
17730 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17733 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17734 multiplying unsigned values.
17737 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17739 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17741 2006-02-08 Jason Merrill <jason@redhat.com>
17744 * tree.def: Elaborate on difference from MODIFY_EXPR.
17745 * doc/c-tree.texi (INIT_EXPR): Likewise.
17746 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17747 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17748 (gimplify_target_expr): Likewise.
17749 (gimplify_cond_expr): Remove target handling.
17750 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17751 (gimplify_expr): Clobber it here.
17752 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17753 Do return slot optimization if we have an INIT_EXPR.
17756 * tree-inline.c (declare_return_variable): Also clear
17757 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17760 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17762 PR middle-end/22439
17763 * gimplify.c (gimplify_one_sizepos): Fix typo.
17765 2006-02-08 Jeff Law <law@redhat.com>
17767 PR tree-optimization/21417
17768 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17769 across a backedge if the control statement at the end of the
17770 block is data dependent on other statements in the same block.
17771 (record_temporary_equivalences_from_stmts): Remove over-conservative
17772 test for threading across backedges.
17774 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17775 control statement, handle all three special cases in the same
17776 manner as they all have the same desired solution. No longer
17777 special case edge flag updating when the post dominator is
17780 2006-02-08 Roger Sayle <roger@eyesopen.com>
17782 * tree.def (CHAR_TYPE): Remove.
17783 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17784 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17785 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17786 (gen_string_type_die): Delete unreachable function.
17788 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17789 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17790 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17791 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17792 * builtins.c (type_to_class): Likewise.
17793 * fold-const.c (fold_convert, build_range_check,
17794 merge_ranges): Likewise.
17795 * expr.c (count_type_elements): Likewise.
17796 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17797 * stor-layout.c (layout_type): Likewise.
17798 * ipa-type-escape.c (type_to_consider): Likewise.
17799 * gimplify.c (omp_firstprivatize_type_sizes,
17800 gimplify_type_sizes): Likewise.
17801 * explow.c (promote_mode): Likewise.
17802 * tree-sra.c (is_sra_scalar_type): Likewise.
17803 * varasm.c (output_constant): Likewise.
17804 * tree-inline.c (remap_type_1): Likewise.
17805 * convert.c (convert_to_pointer, convert_to_real,
17806 convert_to_integer, convert_to_complex): Likewise.
17808 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17810 * df-scan.c (df_def_record_1): A set destination may
17811 be a parallel regardless of mode.
17813 2006-02-08 Roger Sayle <roger@eyesopen.com>
17816 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17817 * config/mips/_tilib.c: Remove.
17818 * config/fixtfdi.c: New libgcc source file.
17819 * config/fixunstfdi.c: New source file.
17820 * config/floatditf.c: New source file.
17821 * config/floatunditf.c: New souce file.
17822 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17823 files above instead of config/mips/_tilib.c.
17824 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17826 2006-02-08 Jeff Law <law@redhat.com>
17828 PR tree-optimization/26169
17829 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17832 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17834 * df.h (DF_REG_SIZE): Return the length of the initialized
17837 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17839 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17840 __muldf3): Return a correctly signed zero.
17842 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17844 * passes.c (register_one_dump_file): Accept the current properties
17845 instead of pass number. Adjust call to dump_register. Remove
17847 (register_dump_files): Now a wrapper around...
17848 (register_dump_files_1): ... this one. Do not modify the pass
17850 (next_pass_1): Cosmetic fix.
17851 (execute_todo): Keep second parameter only. Use curr_properties
17852 instead of fetching it from the pass structure. Check and set
17854 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17855 instead of fetching it from the pass structure. Fix calls to
17856 execute_todo. Update curr_properties and initialize .vcg RTL dump
17857 after running the pass. Reset last_verified.
17858 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17860 (FIRST_AUTO_NUMBERED_DUMP): New.
17861 (dump_register): Remove "num" parameter, assign it within the
17863 (get_dump_file_name): Modify template for dumps.
17864 * tree-dump.h (dump_register): Adjust prototype.
17865 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17866 (PROP_trees): Add PROP_gimple_lomp.
17867 (TODO_set_props): New.
17868 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17869 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17870 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17872 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17874 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17875 (sparc64-*-linux*): Likewise.
17876 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17877 * config/sparc/t-linux: New file.
17878 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17879 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17880 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17881 -m32 -mlong-double-128.
17883 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17884 * config/alpha/t-linux: New file.
17885 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17887 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17888 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17889 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17890 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17891 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17892 (CPP_ARCH32_SPEC): Remove.
17894 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17896 PR tree-optimization/26145
17897 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17900 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17903 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17904 >= 240000 when generating code for SOM runtime.
17905 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17906 to $$dyncall when generating code for SOM runtime..
17908 2006-02-07 Dirk Mueller <dmueller@suse.com>
17911 * doc/invoke.texi (-Wsequence-point): Update documentation
17912 that -Wsequence-point is implemented for C++ as well.
17914 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17916 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17917 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17918 (LIB_SPEC): Likewise.
17919 * doc/invoke.texi (SPARC options): Document -pthread.
17921 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17923 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17926 2006-02-07 Roger Sayle <roger@eyesopen.com>
17928 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17929 Correct comment describing BOOLEAN_TYPE.
17931 2006-02-07 Dirk Mueller <dmueller@suse.com>
17933 * c.opt: C++ frontend supports -Wdiv-by-zero.
17934 * c-opts.c (c_common_handle_option): Remove dead case.
17936 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17938 * configure.ac (TLS assembler check): Do not enable TLS by
17939 default on SPARC/Solaris before version 10.
17940 * configure: Regenerate.
17942 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17944 * doc/invoke.texi (xl-compat): Document conversion and support
17947 2006-02-07 Jeff Law <law@redhat.com>
17949 * tree-vrp.c (find_conditional_asserts): Update comments.
17950 (simplify_stmt_for_jump_threading): New.
17951 (identify_jump_threads, finalize_jump_threads): New.
17952 (vrp_finalize): Call identify_jump_threads.
17953 (execute_vrp): Call finalize_jump_threads.
17954 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17955 (vrp_element, vrp_data, vrp_element_p): Remove.
17956 (vrp_hash_elt, vrp_variables_stack): Remove.
17957 (vrp_hash, vrp_eq, record_range): Remove.
17958 (simplify_cond_and_lookup_avail_expr): Remove.
17959 (extract_range_from_cond): Remove.
17960 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17961 (simplify_stmt_for_jump_threading): New.
17962 (dom_thread_across_edge): New wrapper.
17963 (tree_ssa_dominator_optimize): No longer initialize or
17964 finalize any of the VRP datastructures. Remove iteration
17965 step and simplify as a result of removal of iteration step.
17966 (pass_dominator): Perform a cfg cleanup after DOM.
17967 (dom_opt_finalize_block): Use the new common routines
17968 for threading jumps. Simplify stack management slightly.
17969 No longer need to unwind VRP state.
17970 (record_equivalences_from_incoming_edge): No longer record
17972 (eliminate_redundant_computations): No longer call
17973 simplify_cond_and_lookup_avail_expr.
17974 * tree-flow.h (potentially_threadable_block): Prototype.
17975 (thread_across_edge): Likewise.
17976 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17977 (tree-ssa-threadedge.o): Add dependencies.
17978 * tree-ssa-threadedge.c: New file.
17979 * passes.c (init_optimization_passes): Merge PHIs before
17980 calling VRP. Run VRP again late in the SSA optimization pipeline.
17982 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17984 * df-core.c (df_set_blocks): Do not dereference function pointers.
17985 (df_finish1): Likewise.
17986 (df_hybrid_search_forward): Likewise.
17987 (df_hybrid_search_backward): Likewise.
17988 (df_iterative_dataflow): Likewise.
17989 (df_analyze_problem): Likewise.
17990 (df_compact_blocks): Likewise.
17991 (df_dump): Likewise.
17992 * df-scan.c (df_rescan_blocks): Likewise.
17993 (df_record_entry_block_defs): Likewise.
17995 * genconditions.c (write_conditions): Guard the definition of
17996 'insn_conditions' with the check on GCC version.
17997 (write_writer): Guard the traversal 'insn_conditions' with
17998 the check on GCC version.
18000 2006-02-07 Richard Guenther <rguenther@suse.de>
18004 2006-01-30 Richard Guenther <rguenther@suse.de>
18006 * gimplify.c (gimplify_target_expr): Handle easy cases
18007 without creating a temporary.
18009 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18011 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18012 use of float in probability computations. Use edge probabilities
18013 in place of statically computed probabilities.
18014 (min_spec_prob): New static variable.
18015 (schedule_insns): Initialize it.
18016 (GET_SRC_PROB): Removed.
18017 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18019 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18022 * config/ia64/unwind-ia64.c: Revert last change.
18023 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18024 (INCOMING_FRAME_SP_OFFSET): Define.
18026 2006-02-06 Roger Sayle <roger@eyesopen.com>
18028 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18030 2006-02-07 Ben Elliston <bje@au.ibm.com>
18032 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18033 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18034 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18035 (ix86_return_in_memory): Handle TDmode.
18036 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18037 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18039 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18041 * reorg.c (dbr_schedule): Use dump_file instead of file.
18043 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18046 * config/ia64/predicates.md (extr_len_operand): New predicate.
18047 * config/ia64/ia64.md (extv): Tighten constraints.
18049 (*tbit_and_2): Ditto.
18050 (*tbit_and_3): Ditto.
18051 (*tbit_or_2): Ditto.
18052 (*tbit_or_3): Ditto.
18053 (*bit_zero): Ditto.
18056 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18059 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18061 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18063 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18064 loop_optimizer_init and loop_optimizer_finalize
18065 * tree-ssa-sink.c (execute_sink_code): Ditto.
18066 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18067 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18068 tree_ssa_loop_done): Ditto.
18069 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18070 * sched-ebb.c: Include output.h.
18071 (schedule_ebbs): Do not use dump argument.
18072 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18073 * loop.c (loop_dump_stream): Removed.
18074 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18076 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18077 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18078 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18079 loop_iterations, strength_reduce, record_biv, record_giv,
18080 final_giv_value, check_final_value, check_ext_dependent_givs,
18081 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18082 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18083 dump_file instead of loop_dump_stream.
18084 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18085 argument dump_file.
18086 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18088 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18089 * haifa-sched.c: Include output.h
18090 (schedule_insns, sched_init): Do not use dump argument.
18091 * mode-switching.c (optimize_mode_switching): Ditto.
18092 * modulo-sched.c (stats_file): Removed.
18093 (print_node_sched_params): Do not call argument dump_file.
18094 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18095 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18097 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18099 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18100 rtl_loop_init, rtl_loop_done): Ditto.
18101 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18102 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18104 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18105 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18106 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18107 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18108 * emit-rtl.c (renumber_insns): Ditto.
18109 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18110 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18111 * regclass.c (regclass): Ditto.
18112 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18113 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18114 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18115 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18117 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18118 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18120 * gcse.c (gcse_file, debug_stderr): Removed.
18121 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18122 rest_of_handle_gcse): Do not use dump argument.
18123 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18124 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18125 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18126 compute_code_hoist_vbeinout, compute_code_hoist_data,
18127 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18128 compute_store_table, build_store_vectors, insert_insn_start_bb,
18129 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18130 store_motion): Use dump_file instead of gcse_file.
18131 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18132 * profile.c (profile_dump_file): Removed.
18133 (branch_prob): Use dump_file instead of profile_dump_file.
18134 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18136 * tree-ssa-copy.c (dump_copy_of): Ditto.
18137 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18138 dump file to life_analysis.
18139 * bt-load.c (branch_target_load_optimize): Ditto.
18140 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18142 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18143 regclass, dbr_schedule): Declaration changed.
18144 * sched-int.h (sched_init): Declaration changed.
18145 * tree-profile.c (tree_profile_dump_file): Removed.
18146 (tree_profile_hooks): Removed profile_dump_file hook.
18147 * rtl-profile (rtl_profile_dump_file): Removed.
18148 (rtl_profile_hooks): emoved profile_dump_file hook.
18149 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18151 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18152 * tree-cfg.c (build_tree_cfg): Ditto.
18153 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18154 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18155 Declaration changed.
18156 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18157 life_analysis and schedule_insns.
18158 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18160 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18162 * config/mips/mips.c (mips_reorg): Ditto.
18163 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18166 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18168 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18169 (s390_mangle_fundamental_type): New.
18170 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18173 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18174 (alpha_mangle_fundamental_type): New.
18175 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18178 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18180 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18182 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18183 (sparc_mangle_fundamental_type): New.
18185 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18187 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18188 (s390x-*-linux*): Likewise.
18189 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18190 * config/s390/t-linux: New file.
18192 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18194 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18195 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18197 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18199 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18200 (ANTIC_SAFE_LOADS): New macro.
18201 (find_or_generate_expression): Add prototype.
18202 (set_contains_value): Allow null set for sake of not always having
18203 to allocate ANTIC_SAFE_LOADS.
18204 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18205 Allow COMPONENT_REF too.
18206 (valid_in_set): Allow COMPONENT_REF.
18207 Check ANTIC_SAFE_LOADS too.
18208 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18209 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18211 (can_PRE_operation): Add COMPONENT_REF.
18212 (create_component_ref_by_pieces): New function.
18213 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18214 (insert_aux): Move AGGREGATE_TYPE_P check here.
18215 (compute_avail): Set bb local stmt uids.
18216 (pass_pre): Use TODO_update_ssa_only_virtuals.
18218 2006-02-06 Ben Elliston <bje@au.ibm.com>
18220 * configure.ac: Unconditionally disable decimal float by default.
18221 * configure: Regenerate.
18223 2006-02-06 Ben Elliston <bje@au.ibm.com>
18225 * read-rtl.c (read_name): Terminate reading on EOF.
18227 2006-02-06 Ben Elliston <bje@au.ibm.com>
18229 * dfp.c (decimal_real_arithmetic): Change second argument type
18230 from int to enum tree_code. Do not always return true, but now
18231 return result of any call to decimal_do helper functions.
18232 * dfp.h (decimal_real_arithmetic): Update prototype.
18234 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18236 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18238 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18241 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18244 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18246 * tree-vrp.c (cfg_loops): Removed.
18247 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18248 Use current_loops instead of cfg_loops. Pass flags to
18249 loop_optimizer_init.
18250 * cfgloopmanip.c (fix_loop_structure): Update only available
18252 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18253 loop_optimizer_init.
18254 * modulo-sched.c (build_loops_structure): Removed.
18255 (sms_schedule): Use loop_optimizer_init.
18256 * loop-init.c (loop_optimizer_init): Use flags to determine
18257 which properties of loops to prepare.
18258 (rtl_loop_init): Pass flags to loop_optimizer_init.
18259 * tree-ssa-sink.c (execute_sink_code): Ditto.
18260 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18261 * tree-ssa-pre.c (init_pre): Ditto.
18262 * cfgloop.h (LOOPS_NORMAL): New.
18263 (loop_optimizer_init): Declaration changed.
18265 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18267 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18268 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18270 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18272 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18274 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18275 * pa/t-pa64: Delete quadlib.c rule.
18276 * pa/x-ada: Revert last change.
18277 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18279 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18281 PR rtl-optimization/26087
18282 * rtlanal.c (canonicalize_condition): Do not cross basic block
18285 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18288 * config/ia64/ia64.c: Include debug.h.
18289 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18290 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18291 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18292 (process_epilogue, process_set, process_for_unwind_directive):
18293 Output unwind info only if requested. Add CFA info if requested.
18294 Add new arguments as needed. Adjust callers.
18295 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18297 (DWARF2_FRAME_INFO): Define to zero.
18298 * config/ia64/unwind-ia64.c: Remove code that compensated for
18299 the CFA offset error fixed above.
18300 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18301 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18302 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18303 -funwind-tables and -fexceptions to enable frame info.
18304 (dwarf2out_frame_init): Define initial CFA even if
18305 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18306 DWARF2_UNWIND_INFO is nonzero, not just defined.
18307 (dwarf2out_frame_finish): Output non-EH call frame info only
18308 if DWARF2_FRAME_INFO is nonzero.
18309 (convert_cfa_to_loc_list,
18310 compute_frame_pointer_to_cfa_displacement): Define even if
18311 unwind info is not supported.
18312 (gen_subprogram_die): Use the above unconditionally. Remove
18313 legacy alternate code.
18314 * toplev.c (compile_file): Compile in call to
18315 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18316 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18318 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18319 Jakub Jelinek <jakub@redhat.com>
18321 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18322 IBM extended float format long double as "g" on powerpc*-linux.
18324 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18327 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18328 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18330 2006-02-03 Jason Merrill <jason@redhat.com>
18333 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18335 PR middle-end/25977
18336 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18337 on the return slot if it's an NRV.
18339 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18341 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18342 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18343 rewrite_use): Do not handle USE_OUTER.
18344 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18345 add_iv_outer_candidates, may_replace_final_value,
18346 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18347 (find_interesting_uses_op): Functionality of
18348 find_interesting_uses_outer_or_nonlin moved here.
18349 (find_interesting_uses_outside): Use find_interesting_uses_op.
18351 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18354 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18356 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18357 Ulrich Weigand <uweigand@de.ibm.com>
18360 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18361 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18362 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18363 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18365 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18366 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18367 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18368 Define secondary reloads for TFmode moves.
18369 (constant_modes): Add TFmode.
18370 (NR_C_MODES): Set to 8.
18371 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18373 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18374 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18375 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18376 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18377 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18378 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18379 (FPR mode macro): Add TFmode.
18380 (DSF mode macro): New.
18381 (<de>, <dee> mode attributes): Removed.
18382 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18383 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18384 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18385 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18386 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18387 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18388 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18389 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18390 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18391 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18392 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18393 "*negabs<mode>2", "sqrt<mode>2"):
18394 Changed <de> to <xde>. R constraint replaced by <Rf>.
18395 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18397 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18398 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18399 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18401 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18402 "extenddftf2", "extendsftf2"): New expanders.
18403 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18404 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18405 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18406 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18408 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18409 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18410 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18411 __floatditf): Add a GCC_4.1.0 symbol version tag.
18412 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18415 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18418 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18419 Use targetm.binds_local_p instead of TREE_PUBLIC.
18421 2006-02-02 Roger Sayle <roger@eyesopen.com>
18423 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18424 on INTEGER_TYPEs to indicate that it denotes a character type.
18425 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18426 signed_char_type_node, unsigned_char_type_node and char_type_node.
18427 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18428 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18429 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18431 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18432 Daniel Berlin <dberlin@dberlin.org>
18434 * tree-tailcall.c (arg_needs_copy_p): New function.
18435 (eliminate_tail_call): Use arg_needs_copy_p.
18436 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18437 (add_virtual_phis): New function.
18439 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18441 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18442 #ignore instead of #scratch for %g7 .register directive.
18444 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18446 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18449 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18451 * flow.c (calculate_global_regs_live): Assert that there aren't any
18454 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18456 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18457 what its name says.
18458 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18459 bsi_after_labels iterator.
18460 * tree-if-conv.c (find_phi_replacement_condition,
18461 replace_phi_with_cond_modify_expr): Likewise.
18462 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18463 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18465 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18467 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18469 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18472 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18473 array after growing it.
18475 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18477 PR middle-end/24901
18478 * fold-const.c (fold_checksum_tree): Change type of buf.
18480 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18482 * reload.c (push_secondary_reload): Initialize t_icode.
18484 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18486 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18487 -msoft-float -mlong-double-128 only issue a warning, but don't
18488 swich to DFmode long double.
18490 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18492 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18493 has a constant equivalent, iterate over equivalents for arg0,
18494 calling simplify_relational_operation and if there's a result
18495 cheaper than X, apply fold_rtx and return the result.
18497 2006-02-01 Jan Hubicka <jh@suse.cz>
18499 * opts.c (no_unit_at_a_time_default): New global variable.
18500 (decode_options): Use it.
18501 * opts.h (no_unit_at_a_time_default): Declare.
18503 2006-02-01 Paul Brook <paul@codesourcery.com>
18505 * function.c (assign_parm_setup_reg): Use function argument promotion
18507 * expr.c (expand_expr_real_1): Use function argument promotion rules
18510 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18512 * gcc.c (process_command): Change j to 'unsigned int'.
18514 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18516 PR middle-end/26001
18517 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18518 Use the corrected index for the character
18519 out of the string constant.
18521 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18523 * mode-switching.c (optimize_mode_switching): Fix size
18524 allocated for bb_info[n_entities].
18526 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18528 * gcc.c (main): Correct type that is allocated for
18529 explicit_link_files.
18531 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18533 * config/s390/s390.c (init_alignment_context): Set
18534 ALIAS_SET_MEMORY_BARRIER on the MEM.
18535 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18537 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18539 PR middle-end/25933
18540 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18542 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18545 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18547 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18548 * regrename.c: Ditto.
18549 * tree-ssa-loop-im.c: Ditto.
18550 * tree-dump.c: Ditto.
18551 * tree-complex.c: Ditto.
18552 * genrecog.c: Ditto.
18553 * tree-ssa-threadupdate.c: Ditto.
18555 * java/class.c: Ditto.
18556 * java/jcf-parse.c: Ditto.
18557 * java/resource.c: Ditto.
18558 * java/except.c: Ditto.
18559 * java/jvspec.c: Ditto.
18560 * java/jcf-write.c: Ditto.
18561 * java/jcf-path.c: Ditto.
18562 * java/gjavah.c: Ditto.
18563 * java/zextract.c: Ditto.
18564 * java/jcf-io.c: Ditto.
18565 * java/jcf.h: Ditto.
18566 * java/buffer.c: Ditto.
18567 * java/lang.c: Ditto.
18568 * java/parse-scan.y: Ditto.
18569 * java/lex.c: Ditto.
18570 * java/lex.h: Ditto.
18571 * cfgloopmanip.c: Ditto.
18572 * postreload-gcse.c: Ditto.
18573 * tree-ssa-loop-manip.c: Ditto.
18574 * postreload.c: Ditto.
18575 * tree-ssa-loop-ch.c: Ditto.
18578 * cppspec.c: Ditto.
18579 * diagnostic.c: Ditto.
18581 * genoutput.c: Ditto.
18583 * cfghooks.c: Ditto.
18584 * cfgloopanal.c: Ditto.
18585 * objc/objc-act.c: Ditto.
18587 * genextract.c: Ditto.
18588 * genautomata.c: Ditto.
18589 * pretty-print.c: Ditto.
18590 * genemit.c: Ditto.
18591 * cgraphunit.c: Ditto.
18593 * df-scan.c: Ditto.
18594 * haifa-sched.c: Ditto.
18595 * dominance.c: Ditto.
18597 * tree-ssa-loop-ivopts.c: Ditto.
18598 * df-core.c: Ditto.
18599 * mode-switching.c: Ditto.
18600 * modulo-sched.c: Ditto.
18602 * ipa-pure-const.c: Ditto.
18604 * fix-header.c: Ditto.
18606 * tree-stdarg.c: Ditto.
18607 * ipa-utils.c: Ditto.
18608 * loop-init.c: Ditto.
18609 * ipa-inline.c: Ditto.
18610 * cfganal.c: Ditto.
18612 * alloc-pool.c: Ditto.
18613 * dwarf2out.c: Ditto.
18615 * genattrtab.c: Ditto.
18616 * tree-ssa-loop-ivcanon.c: Ditto.
18617 * predict.c: Ditto.
18618 * timevar.c: Ditto.
18620 * fortran/gfortranspec.c: Ditto.
18621 * regmove.c: Ditto.
18622 * local-alloc.c: Ditto.
18623 * langhooks.c: Ditto.
18624 * function.c: Ditto.
18625 * tree-vectorizer.c: Ditto.
18627 * ipa-type-escape.c: Ditto.
18629 * tree-if-conv.c: Ditto.
18630 * profile.c: Ditto.
18632 * tree-data-ref.c: Ditto.
18633 * loop-unroll.c: Ditto.
18634 * treelang/treetree.c: Ditto.
18636 * bt-load.c: Ditto.
18637 * ggc-common.c: Ditto.
18639 * coverage.c: Ditto.
18641 * tree-cfgcleanup.c: Ditto.
18642 * tree-ssa-pre.c: Ditto.
18643 * cfgcleanup.c: Ditto.
18644 * loop-invariant.c: Ditto.
18645 * loop-iv.c: Ditto.
18646 * ipa-prop.c: Ditto.
18647 * print-tree.c: Ditto.
18648 * conflict.c: Ditto.
18649 * ggc-page.c: Ditto.
18650 * sched-deps.c: Ditto.
18651 * regclass.c: Ditto.
18652 * tree-object-size.c: Ditto.
18653 * combine.c: Ditto.
18654 * bb-reorder.c: Ditto.
18655 * resource.c: Ditto.
18656 * var-tracking.c: Ditto.
18657 * cfgloop.c: Ditto.
18658 * df-problems.c: Ditto.
18659 * reg-stack.c: Ditto.
18661 * gccspec.c: Ditto.
18662 * sched-rgn.c: Ditto.
18663 * tree-ssa-structalias.c: Ditto.
18664 * tree-ssa-reassoc.c: Ditto.
18665 * config/darwin-c.c: Ditto.
18666 * config/darwin.c: Ditto.
18667 * config/arm/arm.c: Ditto.
18669 * collect2.c: Ditto.
18670 * reload1.c: Ditto.
18672 2006-01-31 Nicolas Pitre <nico@cam.org>
18674 * arm.md (smaxsi3): Make aware of smax_m1.
18677 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18679 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18681 2006-01-31 Richard Guenther <rguenther@suse.de>
18683 * doc/invoke.texi (-msselibm): Document.
18684 * target.h (expand_library_builtin): New target hook.
18685 * builtins.c (expand_builtin): Use expand_library_builtin.
18686 (default_expand_library_builtin): New function.
18687 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18688 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18689 (link_gcc_math_spec): Declare.
18690 (static_specs): Add link_gcc_math_spec.
18691 * expr.h (default_expand_library_builtin): Declare.
18692 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18693 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18694 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18695 * config/i386/i386.opt (msselibm): New target option.
18696 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18697 (ix86_init_sse_abi_builtins): New function.
18698 (ix86_expand_library_builtin): Likewise.
18699 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18700 (override_options): Handle error conditions wrt -msselibm.
18701 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18702 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18703 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18706 2006-01-31 Richard Guenther <rguenther@suse.de>
18707 Paolo Bonzini <bonzini@gnu.org>
18709 * doc/install.texi (--disable-libgcc-math): Document.
18711 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18713 * expr.h (expand_normal): new inline function.
18714 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18715 * dojump.c: use it.
18716 * dwarf2out.c: use it.
18719 * expmed.c: use it.
18720 * except.c: use it.
18721 * config/sparc/sparc.c: use it.
18722 * config/i386/i386.c: use it.
18723 * config/rs6000/rs6000.c: use it.
18724 * config/arm/arm.c: use it.
18725 * config/mips/mips.c: use it.
18726 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18728 2006-01-30 Roger Sayle <roger@eyesopen.com>
18730 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18731 argv to the appropriate type.
18733 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18735 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18738 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18741 * config/s390/s390.c (struct machine_function): New flag
18742 decomposed_literal_pool_addresses_ok_p.
18743 (s390_reorg): Set it before final stage of literal pool transforms.
18744 (s390_decompose_address): Only accept displacements of the form
18745 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18747 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18749 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18750 the comparison routine return.
18752 2006-01-30 Michael Matz <matz@suse.de>
18754 * global.c (find_reg): Only evict for global regs.
18755 Take n_refs into account and dump more info.
18757 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18760 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18761 (pragma_trap, pragma_nosave_low_regs): Likewise.
18762 (current_function_anonymous_args): Likewise.
18763 (sh_deferred_function_attributes): New variable.
18764 (sh_deferred_function_attributes_tail): Likewise.
18765 (print_operand): For '@', look up trap_exit attribute.
18766 (calc_live_regs): Look up trapa_handler attribute. For trapa
18767 handlers, save/restore fpscr, but don't do any other
18768 interrupt-specific saves.
18769 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18770 Fix check for partially saved registers to check for SHmedia.
18771 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18772 (sh_output_function_epilogue): Don't clear any of the removed
18774 (sh_insert_attributes): Don't check pragma_interrupt.
18775 Insert deferred attributes. Check that interrupt attribute is
18776 present for other attributes that require its presence.
18777 (sh_attribute_table): Add new attributes trapa_handler and
18779 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18780 Don't check for pragma_interrupt. Don't store argument.
18781 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18782 (sh_deferred_function_attributes): Declare.
18783 (sh_deferred_function_attributes_tail): Likewise.
18784 * sh.md (sp_switch_1): Add operand. Change generator caller.
18785 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18786 (*return_i): Don't use when trap_exit attribute is in effect.
18787 (*return_trapa): New insn pattern.
18788 * sh-c.c: New file.
18789 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18790 setting c_target_objs and cxx_target_objs.
18791 * t-sh: Add rule for sh-c.o.
18793 2006-01-30 Richard Guenther <rguenther@suse.de>
18796 * gimplify.c (gimplify_target_expr): Handle easy cases
18797 without creating a temporary.
18799 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18801 * vec.h (safe_grow): Remove duplicated line.
18803 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18806 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18807 (expand_omp): ... here.
18808 (expand_omp_parallel): Only remove barriers for combined
18809 parallel+workshare constructs.
18811 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18815 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18816 * tree.c (build_qualified_type): Chain the new type to the original
18817 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18818 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18819 (build_pointer_type_for_mode): Only return unqualified types.
18820 (build_reference_type_for_mode): Likewise.
18822 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18824 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18825 * Makefile.in (CXX_COMPAT_WARN): Define.
18826 * configure: Regenerate.
18828 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18831 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18834 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18836 * toplev.c: Fix thinko.
18838 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18839 Marcin Dalecki <martin@dalecki.de>
18841 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18842 (push_srcloc): Use XNEW.
18843 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18845 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18847 * df-core.c (df_set_blocks): Deleted all variable.
18849 2006-01-28 Ian Lance Taylor <ian@airs.com>
18851 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18852 cgraph_output_pending_asms.
18854 2006-01-28 Zack Weinberg <zackw@panix.com>
18856 * c.opt: Add -W(no-)overlength-strings.
18857 * doc/invoke.texi: Document it.
18858 * c-opts.c (c_common_handle_option): -pedantic implies
18859 -Woverlength-strings, if not explicitly disabled already.
18860 (c_common_post_options): -Woverlength-strings defaults to off, and
18861 is always off for C++.
18862 * c-common.c (fix_string_type): Issue warning about strings longer
18863 than is portable only if warn_overlength_strings. Rearrange code
18864 a little for clarity.
18865 * configure.in: Check for -Wno-overlength-strings as well before
18866 enabling -pedantic in stage 1.
18867 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18868 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18870 * genconditions.c (write_header, write_one_condition)
18871 (write_conditions, write_writer): Consolidate very long strings
18872 that were broken up to fit in C89 portable limit. Don't use
18873 printf when fputs will do.
18875 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18877 * combine.c (simplify_comparison <AND>): Check
18878 TRULY_NOOP_TRUNCATION before start using a subreg.
18880 * config/mips/mips.md (*branch_zero<mode>,
18881 *branch_zero<mode>_inverted, *branch_equality<mode>,
18882 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18883 Remove mode check from comparisons.
18885 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18887 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18889 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18891 * expmed.c (const_mult_add_overflow_p): Remove.
18892 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18894 * recog.c (validate_replace_rtx_subexp): Remove.
18895 * recog.h: Remove the prototype for
18896 validate_replace_rtx_subexp.
18898 * integrate.h: Remove the prototype for
18899 copy_decl_for_inlining.
18900 * rtl.h: Remove the prototype for mark_constant_function.
18901 * tree-vectorizer.h: Remove the prototype for
18902 vect_strip_conversion.
18904 * modulo-sched.c (create_partial_schedule,
18905 free_partial_schedule, reset_partial_schedule): Make them
18908 * hooks.c (hook_bool_rtx_int_false): Remove.
18909 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18911 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18913 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18914 and -mlong-double-128 are incompatible.
18915 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18916 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18917 (TARGET_LIBGCC2_CFLAGS): Define.
18918 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18919 (TARGET_LIBGCC2_CFLAGS): Same.
18920 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18922 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18925 * c-typeck.c (build_binary_op): Perform implicit casts of
18926 operands before shortening them.
18928 * cfgloopmanip.c (split_loop_bb): Remove.
18929 * cfgloop.h: Remove the prototype for split_loop_bb.
18931 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18932 * cfgloop.h: Remove the prototype for
18933 flow_loop_outside_edge_p.
18935 * emit-rtl.c (init_virtual_regs): Make it static.
18936 * function.h: Remove the prototype for init_virtual_regs.
18938 * recog.c (peephole2_optimize): Make it static.
18939 * recog.h: Remove the prototype for peephole2_optimize.
18941 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18943 * df-scan.c (df_record_entry_block_defs): Check if
18944 INCOMING_RETURN_ADDR_RTX is defined.
18946 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18947 Kenneth Zadeck <zadeck@naturalbridge.com>
18949 PR rtl-optimization/24762
18950 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18951 * targhooks.c (hook_void_bitmap): New hook prototype.
18952 * targhoohs.h (hook_void_bitmap): Ditto.
18953 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18954 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18955 * target.h (live_on_entry): New function pointer.
18956 * df-scan.c (df_all_hard_regs): Removed.
18957 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18958 (df_scan_free_internal): Added df->entry_block_defs.
18959 (df_scan_alloc): Ditto.
18960 (df_scan_dump): Ditto.
18961 (df_uses_record): Plumbed flag field properly thru calls.
18962 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18963 This part fixes PR24762.
18964 (df_bb_refs_record): Added code to make the frame and arg
18965 pointers live in EH blocks.
18966 (df_refs_record): Added call to df_record_entry_block_defs.
18967 (df_record_entry_block_defs): New function.
18968 * df-core.c: Added comments to describe new artifical defs.
18969 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18970 (entry_block_defs): New field in struct df.
18971 (df_all_hard_regs): Deleted.
18972 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18973 * df-problems.c (df_ru_bb_local_compute_process_def):
18974 Added code to handle artifical defs in the entry to a function.
18975 (df_ru_bb_local_compute): Ditto.
18976 (df_rd_bb_local_compute_process_def): Ditto.
18977 (df_rd_bb_local_compute): Ditto.
18978 (df_lr_bb_local_compute): Ditto.
18979 (df_ur_bb_local_compute): Ditto.
18980 (df_urec_bb_local_compute): Ditto.
18981 (df_chain_create_bb): Ditto.
18982 (df_ur_local_finalize): Removed entry.
18983 (df_urec_init): Ditto.
18984 (df_urec_local_finalize): Ditto.
18985 (df_ri_bb_compute): Added detection of last use of pseudos.
18986 * Makefile.in (df-scan.o): Updated dependencies.
18987 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18988 * config/mips/mips.c (mips_set_live_on_entry): Added.
18989 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18991 * dce.c (marked_insn_p): Added code to handle artifical defs.
18993 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18995 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18997 (_mm_cvtsi128_si64): Likewise.
18998 (_mm_cvtsd_si64): Likewise.
18999 (_mm_cvttsd_si64): Likewise.
19000 (_mm_cvtsi64_sd): Likewise.
19001 (_mm_cvtsi64_si128): Likewise.
19002 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19003 (_mm_cvtsi64_m64): Likewise.
19004 (_m_to_int64): Likewise.
19005 (_mm_cvtm64_si64): Likewise.
19006 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19007 (_mm_cvttss_si64): Likewise.
19008 (_mm_cvtsi64_ss): Likewise.
19009 (_mm_cvtss_f32): Likewise.
19011 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19013 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19014 for pragma redefine_extname.
19016 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19019 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19020 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19021 -mno-minimal-toc to previous content.
19022 (bispecs): Remove goal.
19023 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19024 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19025 compatibility aliases on powerpc-*-*gnu*.
19026 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19027 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19028 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19029 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19030 (ldblspecs): New goal.
19031 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19032 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19034 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19035 L_sf_to_tf or L_df_to_tf is defined.
19037 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19038 Alan Modra <amodra@bigpond.net.au>
19041 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19042 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19043 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19044 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19045 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19046 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19047 (rs6000_override_options): Initialize rs6000_ieeequad.
19048 Initialize TFmode format to ibm_extended_format if not
19050 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19052 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19053 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19054 (function_arg_advance): IBM long double passed in two FPRs, not
19056 (function_arg): IBM long double passed in FPRs.
19057 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19058 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19059 Only multireg GPR aligned.
19060 (rs6000_init_libfuncs): Enable IBM long double functions if not
19062 (rs6000_generate_compare): Use IBM long double compare if not
19064 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19065 (TARGET_IEEEQUAD): Define.
19066 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19067 not TARGET_IEEEQUAD.
19068 * config/rs6000/rs6000.md: Enable TFmode patterns if
19070 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19071 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19072 and -mlong-double-128 are incompatible.
19073 * doc/invoke.texi (-mabi): Collect options together. Add
19074 ibmlongdouble and ieeelongdouble.
19076 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19078 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19080 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19081 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19082 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19083 * rtl.h (rtunion_def): Remove rt_ptr.
19085 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19086 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19087 * config/i386/winnt.c (i386_pe_mark_dllexport)
19088 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19090 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19092 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19094 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19098 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19099 pthread_key_delete. From John David Anglin. gthrw-ify
19100 pthread_getunique_np only if it it's not a macro. Delete
19102 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19103 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19104 __gthread_objc_condition_signal, __gthread_key_delete): Add
19105 "__attribute__ ((__unused__))" to unused arguments.
19106 (__gthread_recursive_mutex_init_function): Add missing return.
19107 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19108 gthr-posix95.h: Use macro-based approach for name redirection
19109 on targets missing weakref.
19111 2006-01-26 Zack Weinberg <zackw@panix.com>
19113 * genconditions.c (write_header): In generated code, #ifdef out
19114 all includes and fake declarations, except includes of bconfig.h
19115 and system.h, unless GCC_VERSION >= 3001. Do not include
19116 gensupport.h in any case.
19117 (write_conditions): Generate a definition of struct c_test. Add
19118 a comment to the generated #endif.
19119 (write_one_condition): Escape backslashes in string too.
19120 (write_writer): Generated code must escape backslashes and quote
19121 marks (but not newlines) in the strings it writes.
19122 * Makefile.in (build/gencondmd.o): Update dependencies.
19124 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19127 * Makefile.in (insn-automata.o): Add header file dependencies.
19128 * genautomata.c: Add includes.
19130 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19133 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19135 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19137 * configure.ac: Expect target tools paths to be passed from the toplevel
19138 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19140 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19142 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19145 * c.opt (Wpointer-sign): Init to -1.
19146 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19147 OPT_pedantic, to 0 otherwise.
19148 * doc/invoke.texi: Update.
19150 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19152 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19153 constants provided by 80387 instructions in the destination mode.
19155 2006-01-26 Richard Guenther <rguenther@suse.de>
19156 Andrew Pinski <pinskia@physics.uc.edu>
19159 partial PR tree-opt/17064
19160 * tree-ssa-structalias.c (intra_create_variable_infos):
19161 Create heap variables for incoming parameters if
19162 flag_argument_noalias > 1.
19163 (find_what_p_points_to): Look through default defs of
19166 2006-01-26 Jeff Law <law@redhat.com>
19169 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19170 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19171 within the VR_RANGE, use the VR_RANGE as the result, not the
19173 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19174 bounds for the type.
19176 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19178 * tree-ssa-alias.c (maybe_create_global_var): Change
19179 subvar walking to an assertion that we don't have subvar'd variables.
19181 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19184 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19185 Use a new variable, inner. PARM_DECLs are always non-weak.
19187 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19189 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19190 --disable-checking.
19192 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19194 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19196 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19198 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19199 (smax_insn, smin_insn, smax_0, smin_0): New.
19201 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19204 * config/cris/cris.c (cris_order_for_addsi3): New function.
19205 * config/cris/cris-protos.h: Prototype it.
19206 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19207 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19208 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19209 (split for "op.S1 [rx=rx+i],ry (swapped)")
19210 (split for "op(s|u).S1 [rx=rx+i],ry")
19211 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19212 Apply cris_order_for_addsi3 when generating addsi3 insns.
19214 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19216 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19217 (TREE_BLOCK): Add call to EXPR_CHECK.
19219 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19222 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19223 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19224 (dump_omp_clauses): ... here.
19225 (dump_generic_node): Handle OMP_CLAUSE.
19226 * tree.c (omp_clause_num_ops): New.
19227 (omp_clause_code_name): New.
19228 (tree_code_size): Handle OMP_CLAUSE.
19229 (tree_size): Likewise.
19230 (make_node): Document handling of OMP_CLAUSE.
19231 (tree_node_structure): Handle OMP_CLAUSE.
19232 (omp_clause_check_failed): New.
19233 (omp_clause_range_check_failed): New.
19234 (omp_clause_operand_check_failed): New.
19235 (build_omp_clause): New.
19236 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19237 * tree.h (enum omp_clause_code): Declare.
19238 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19239 (OMP_CLAUSE_RANGE_CHECK): Define.
19240 (OMP_CLAUSE_ELT_CHECK): Define.
19241 (omp_clause_check_failed): Declare.
19242 (omp_clause_operand_check_failed): Declare.
19243 (omp_clause_range_check_failed): Declare.
19244 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19245 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19246 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19247 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19248 (OMP_CLAUSE_IF_EXPR): Likewise.
19249 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19250 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19251 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19252 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19253 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19254 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19255 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19256 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19257 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19258 (OMP_CLAUSE_CODE): Define.
19259 (OMP_CLAUSE_SET_CODE): Define.
19260 (OMP_CLAUSE_CODE): Define.
19261 (OMP_CLAUSE_OPERAND): Define.
19262 (struct tree_omp_clause): Declare.
19263 (union tree_node): Add field 'omp_clause'.
19264 * treestruct.def (TS_OMP_CLAUSE): Define.
19265 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19266 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19267 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19268 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19269 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19270 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19271 (OMP_CLAUSE): Define.
19272 * print-tree.c (print_node): Handle OMP_CLAUSE.
19273 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19274 * c-typeck.c: Likewise.
19275 * gimplify.c: Likewise.
19276 * c-omp.c: Likewise.
19277 * tree-nested.c: Likewise.
19278 * tree-inline.c: Likewise.
19279 * c-parser.c: Likewise.
19280 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19283 2006-01-25 Roger Sayle <roger@eyesopen.com>
19285 PR rtl-optimization/25703
19286 * combine.c (try_combine): Handle zero_extract and strict_low_part
19287 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19289 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19291 * global.c: Fix comment typos.
19293 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19296 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19297 Use output_addr_const instead of assemble_name.
19299 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19301 * Makefile.in (sched-vis.o): Update dependencies.
19302 * haifa-sched.c (sched_finish): Clear current_sched_info.
19303 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19304 (dump_flow_info): Call it.
19305 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19307 * basic-block.h (dump_bb_info): Declare.
19308 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19309 option, and apply options only for dump files whose TDF_RTL,
19310 TDF_TREE, or TDF_IPA bits match.
19311 * rtl.h: Declare new functions exported from sched-vis.c.
19312 * sched-vis.c: Enable also if scheduling is not used.
19313 (print_value): Print the mode of registers if not inside scheduling.
19314 (print_insn): Make it work outside the scheduler. Beautify the output
19316 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19318 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19320 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19321 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19322 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19323 depending on the value of CONSTANT_POOL_ADDRESS_P.
19324 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19326 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19327 rather than SYMBOL_REF_DECL.
19328 (rtx_constant_pool): Remove const_rtx_sym_htab.
19329 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19330 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19331 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19332 Remove handling of const_rtx_sym_htab.
19333 (find_pool_constant): Delete.
19334 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19335 rather than find_pool_constant.
19336 (get_pool_constant_for_function): Delete.
19337 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19338 find_pool_constant.
19339 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19340 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19341 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19342 (SYMBOL_REF_CONSTANT): New macro.
19343 (get_pool_constant_for_function): Delete.
19344 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19345 rather than SYMBOL_REF_DECL.
19346 (i386_pe_mark_dllimport): Likewise.
19347 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19348 rather than SYMBOL_REF_DECL.
19349 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19350 (machopic_indirect_call_target): Likewise.
19352 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19354 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19356 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19358 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19360 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19362 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19364 2006-01-24 David Daney <ddaney@avtrex.com>
19367 * configure.ac (enable_tls): New enable option.
19368 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19369 * configure: Regenerate.
19370 * doc/install.texi (--enable-tls): Document new option.
19371 (--disable-tls): Ditto.
19373 2006-01-24 Richard Henderson <rth@redehat.com>
19375 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19376 * alias.c (true_dependence): Respect it.
19377 (canon_true_dependence, write_dependence_p): Likewise.
19378 * builtins.c (get_builtin_sync_mem): Set it.
19380 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19382 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19385 2006-01-24 DJ Delorie <dj@redhat.com>
19387 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19388 for storing constants in single-bit bitfields.
19390 2006-01-25 Ben Elliston <bje@au.ibm.com>
19392 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19394 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19397 * tree-ssa-pre.c (phi_translate): Return NULL
19398 for AGGREGATE_TYPE's.
19400 2006-01-24 Zack Weinberg <zackw@panix.com>
19402 * genautomata.c (process_state_for_insn_equiv_partition):
19403 Use xcalloc for insn_arcs_array.
19404 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19405 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19407 2006-01-24 Richard Henderson <rth@redhat.com>
19409 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19410 update all callers.
19412 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19414 PR rtl-optimization/25890
19415 PR rtl-optimization/25905
19416 * combine.c (expand_compound_operation, expand_field_assignment):
19417 Fail if the bitfield's final position is out of bounds.
19419 2006-01-24 Ian Lance Taylor <ian@airs.com>
19421 PR middle-end/25930
19422 * cgraphunit.c (cgraph_output_in_order): Don't clear
19423 cgraph_asm_nodes until after asm strings have been output.
19425 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19427 * fix-header.c (read_scan_file): Add new parameter imultilib when
19428 calling register_include_chains.
19430 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19432 * omp-low.c: Update documentation.
19434 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19435 Daniel Berlin <dberlin@dberlin.org>
19439 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19440 return from the function.
19442 2006-01-22 Zack Weinberg <zackw@panix.com>
19444 * rtl.def (match_code): Add second argument.
19445 * genpreds.c (write_extract_subexp): New function.
19446 (write_match_code): Add path argument. Use write_extract_subexp.
19447 (write_predicate_expr): Pass path to write_match_code.
19448 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19449 not perform a mode test.
19450 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19451 a subexpression does not constrain the top-level code set.
19452 * read-rtl.c (read_rtx_variadic): New function.
19453 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19454 * doc/md.texi: Document new notation.
19455 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19456 (cmpsi_operand): ... here, using new notation.
19458 2006-01-22 Zack Weinberg <zackw@panix.com>
19460 * varray.c: Remove GENERATOR_FILE #ifdefs.
19462 2006-01-22 Zack Weinberg <zackw@panix.com>
19464 * genautomata.c (output_reserved_units_table): Emit nothing if
19465 description->query_units_num is zero. Remove extra blank line.
19466 (output_cpu_unit_reservation_p): Short circuit
19467 if description->query_units_num is zero.
19469 2006-01-22 Zack Weinberg <zackw@panix.com>
19471 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19472 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19473 nor any of the random handful of variables that used to be necessary
19474 when this program was linked with rtlanal.o. Prune set of forward
19475 function declarations.
19476 (struct attr_desc): Remove static_p field.
19477 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19478 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19479 (attr_string): Do not read the character one past the length of
19481 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19482 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19483 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19484 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19485 (make_automaton_attrs): New.
19486 (main): Do not call into genautomata. Call local gen_bypass
19487 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19488 Remove special case for insn_alts.
19489 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19490 varray.h (leftover from previous change). Prune set of forward
19491 function declarations. Remove state_alts fields from all
19492 structures. Remove state_alts_table from struct automaton.
19493 Make everything except main static. Do not maintain num_dfa_decls.
19494 Do not maintain state_alts fields of various structures.
19495 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19496 (add_arc): Remove state_alts argument. All callers updated.
19497 (output_reserved_units_table): Emit #ifdef here...
19498 (output_tables): ...not here. Don't generate state_alts tables.
19499 (expand_automata): Don't generate attributes.
19500 (write_automata): Don't generate state_alts functions.
19501 (main): New function.
19502 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19503 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19504 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19505 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19506 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19507 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19508 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19509 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19511 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19512 * genattrtab.h: Delete file.
19513 * Makefile.in (OBJS-common): Add insn-automata.o.
19514 (insn-automata.o): New rule.
19515 (simple_generated_c): Add insn-automata.c.
19516 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19517 (genprogmd): Add automata.
19518 (build/genattrtab): Needs no extra objects nor libraries.
19519 (build/genautomata): Needs build/vec.o and -lm.
19521 2006-01-22 Zack Weinberg <zackw@panix.com>
19523 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19524 (output_dfa_max_issue_rate, locked_states_num): Delete.
19525 (struct automaton): Add locked_states field.
19526 (output_dead_lock_vect): Save number of locked states in
19527 automaton->locked_states. If it is zero, don't print anything.
19528 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19529 (output_internal_dead_lock_func): Only test the dead_lock_vect
19530 for automata that have locked states.
19531 (output_statistics): Always print the number of locked states for
19532 each automaton. Calculate total number of locked states here.
19533 (write_automata): Don't call output_dfa_max_issue_rate.
19534 * genattrtab.c: Define length_unit_log as a const variable.
19535 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19536 max_insn_queue_index const.
19537 * final.c (length_unit_log): Declare const.
19538 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19540 2006-01-22 Zack Weinberg <zackw@panix.com>
19542 * genautomata.c: Include vec.h, not varray.h.
19543 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19544 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19545 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19546 VEC_* macros operating on appropriately typed vectors, or to
19547 malloced arrays when the size is known in advance. Const-ify
19548 many char* variables and function arguments. No functional changes.
19549 * Makefile.in (build/varray.o): Delete rule.
19550 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19551 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19553 2006-01-22 Zack Weinberg <zackw@panix.com>
19555 * gensupport.c: Define get_insn_name and record_insn_name here.
19556 (read_md_rtx): Call record_insn_name as appropriate.
19557 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19558 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19559 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19561 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19562 (BUILD_VARRAY): Delete.
19563 (genprognormal): Rename genprogmd. Fold in all programs from
19564 genprognoprint; also attrtab.
19565 (build/genattrtab): Just mention genautomata.o and varray.o.
19566 Reorganize a bit, add comments to make the categories clearer.
19568 2006-01-22 Zack Weinberg <zackw@panix.com>
19570 * genconditions.c (condition_table, add_condition): Delete.
19571 (write_conditions): Don't emit n_insn_conditions nor
19572 insn_elision_unavailable. Issue the gcc version #ifdef here,
19573 inside the table, with no #else clause ...
19574 (write_header): ...not here.
19575 (write_writer): New function.
19576 (main): Don't initialize condition_table. Use add_c_test.
19578 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19579 files on the command line.
19580 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19581 Return -1 if there is no entry in the table, don't abort.
19582 (add_c_test, traverse_c_tests): New functions.
19583 * gensupport.h (insn_elision_unavailable, insn_conditions)
19584 (n_insn_conditions): Delete declarations.
19585 (add_c_test, traverse_c_tests): Declare.
19586 * read-rtl.c: Include gensupport.h.
19587 (read_conditions): New function.
19588 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19589 (read_rtx_1): If we get EOF when we were looking for an initial
19590 open paren, return 0. Call read_conditions when appropriate.
19591 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19592 dummy-conditions.o. Eliminate references to insn-conditions.o,
19593 or change them to build/gencondmd.o, as appropriate. Remove
19594 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19595 from $(simple_generated_c). For all files remaining in those
19596 two lists, add insn-conditions.md to the generator command line.
19597 Give insn-constants.h/s-constants their own rules. Add rules
19598 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19599 (build/read-rtl.o): Depend on gensupport.h.
19600 (genprognormal): Include preds.
19601 (genprogearly): Rename genprognoprint; only difference is now that
19602 they don't link with $(BUILD_PRINT).
19603 * dummy-conditions.c: Delete.
19605 2006-01-22 Zack Weinberg <zackw@panix.com>
19607 * genextract.c: Don't include insn-config.h. Do include vec.h.
19608 Declare vectors of int, char, and locstr.
19609 (locstr): New typedef.
19610 (struct extraction): Make all array fields into bare pointers.
19611 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19612 (insn_code_number): Delete.
19613 (accum_extract): New struct.
19614 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19615 (gen_insn): Take insn_code_number as an argument. Use an
19616 accum_extract structure instead of loading data directly into
19617 a struct extraction, and having to know how big it might get.
19618 (walk_rtx): Operate entirely on an accum_extract structure.
19619 (print_path): Avoid unnecessary use of printf.
19620 (print_header): New function, split out of main. Distinguish
19621 more carefully between an unrecognizable insn and an insn that
19622 has the code number of a define_expand.
19623 (main): Pass insn_code_number to gen_insn. Call print_header
19624 only after parsing. Avoid unnecessary use of printf.
19625 * Makefile.in (build/vec.o): New rule.
19626 (build/genextract): Depend on build/vec.o.
19627 (build/genextract.o): Don't depend on insn-config.h.
19629 2006-01-22 Zack Weinberg <zackw@panix.com>
19631 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19632 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19633 practical. Eliminate per-generator-program link rules.
19635 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19637 PR middle-end/24437
19638 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19639 with a call expr to ...
19640 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19642 2006-01-23 Richard Guenther <rguenther@suse.de>
19644 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19645 before make_edge with conditional EDGE_TRUE_VALUE.
19647 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19648 Jan Hubicka <jh@suse.cz>
19649 Richard Guenther <rguenther@suse.de>
19651 PR rtl-optimization/25654
19652 * cfgexpand.c (aggregate_contains_union_type): New function.
19653 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19654 for structure variables that contain a union type.
19656 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19658 * gengtype.c (new_structure): Return the structure.
19659 (create_option): Add an extra "next" argument.
19660 (create_field): New function.
19661 (adjust_field_rtx_def): Use create_option and create_field.
19662 Remove a now-unnecessary call to find_structure.
19663 (adjust_field_tree_def): Likewise.
19664 (note_yacc_type): Remove an unnecessary call to find_structure.
19665 * gengtype.h (new_structure): Return the structure.
19666 (create_option): Add an extra argument.
19667 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19668 (option): Adjust calls to create_option.
19670 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19672 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19674 2006-01-22 Paul Brook <paul@codesourcery.com>
19675 Peter Barada <peter@the-baradas.com>
19677 * config/m68k/m68k.md: Add Coldfire FPU support.
19678 Define FP mode macro and associated attributes.
19679 Use it for float mode patterns.
19680 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19681 (LIBCALL_VALUE): Use m68k_libcall_value.
19682 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19683 (m68k_function_value): Ditto.
19684 (emit_move_sequence): Ditto.
19685 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19686 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19687 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19688 (MULTILIB_EXCEPTIONS): Ditto.
19689 * config/m68k/m68k.opt: Add mcfv4e.
19690 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19691 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19692 (m68k_output_function_prologue): Save ColdFire FPU registers.
19693 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19694 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19695 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19696 ColdFire FPU registers.
19697 (m68k_libcall_value, m68k_function_value): New functions.
19698 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19699 (LIBCALL_VALUE): Use m68k_libcall_value.
19700 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19701 (MASK_COLDFIRE): Add MASK_CFV4E.
19702 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19703 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19704 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19705 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19706 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19707 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19708 * doc/invoke.tex: Document -mcfv4e on m68k.
19710 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19712 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19715 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19718 * c-opts.c (c_common_handle_option): Don't include
19719 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19720 * doc/invoke.texi (C++ Dialect Options): Document that
19721 -Wnon-virtual-dtor is no longer included in -Wall.
19723 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19725 * gcov.c (print_version), gcov-dump.c (print_version),
19726 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19729 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19731 * df-scan.c (problem_SCAN): Added NULL reset function.
19732 (df_scan_reset_blocks): Added code to call reset block function
19733 (df_bb_refs_delete) Fixed comment.
19734 (df_insn_refs_delete): Made tolerant of deleting non existent info
19735 for dataflow problems that need to be reset.
19736 * df-core.c (df_set_blocks): Ditto.
19737 * df.h (struct df_problem): Added reset_fun.
19738 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19739 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19740 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19741 functions to clear out all references to def-use or use-def chains.
19743 2006-01-21 Ben Elliston <bje@au.ibm.com>
19745 * varasm.c (assemble_real): Initialise data array.
19747 2006-01-20 Paul Brook <paul@codesourcery.com>
19749 Merge from csl-arm-branch.
19750 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19751 * config/arm/arm.md (movdi): Force operands[1] to a register
19752 if we have a non-register source.
19753 (*arm_movdi, *movdf_soft_insn): Require that one of the
19754 operands be a register.
19755 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19756 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19758 2006-01-20 DJ Delorie <dj@redhat.com>
19760 * varasm.c (initializer_constant_valid_p): Allow pointers
19761 initialized from integer constants of lesser precision.
19762 (output_constant): Allow non-int-sized pointer modes to be
19763 initialized from integer constants.
19765 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19768 * cppdefault.h (struct default_include): Add multilib flag.
19769 * cppdefault.c (cpp_include_defaults): Set it.
19770 * c.opt (-imultilib): New option.
19771 * c-opts.c (imultilib): New.
19772 (c_common_handle_option): Handle -imultilib.
19773 (c_common_post_options): Likewise.
19774 * c-incpath.c (add_standard_paths, register_include_chains):
19776 * c-incpath.h (register_include_chains): Add extra parameter.
19777 * gcc.c (do_spec_1): Generate -imultilib option.
19778 (The Specs Language): Update %I description.
19779 (process_command): Update copyright notice.
19780 * doc/cppopts.texi (-imultilib): Document.
19781 * doc/invoke.texi (-imultilib): Include in option summary.
19782 (%I): Update specs documentation.
19784 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19786 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19788 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19790 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19793 2006-01-20 Richard Guenther <rguenther@suse.de>
19794 Steven Bosscher <stevenb.gcc@gmail.com>
19796 PR rtl-optimization/24626
19797 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19798 EDGE_TRUE_VALUE if in RTL mode.
19801 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19802 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19804 2006-01-20 Dirk Mueller <dmueller@suse.com>
19807 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19808 instead of a special NOP marker.
19809 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19810 NOP marker handling.
19811 * c-common.h (empty_body_warning): Add forward declaration.
19812 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19813 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19815 2006-01-20 Paul Brook <paul@codesourcery.com>
19817 * Makefile.in (lang_checks): Keep going if mkdir fails.
19819 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19821 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19822 be able to clean out basic block when not necessary.
19823 (df_scan_free): Fixed to properly delete information if df is
19824 unused before calling df_finish.
19825 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19826 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19828 (df_bb_refs_delete): New function.
19829 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19830 * df-core.c (df_set_blocks): Added code to properly clean out
19831 unused blocks if they are not part of the blocks to consider.
19832 Added additional null check.
19833 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19834 be able to clean out basic block when not necessary
19835 * df.h (df_free_bb_function): Ditto.
19836 (df_bb_refs_delete): New function.
19837 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19838 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19839 basic block parameter to be able to clean out basic block when not
19841 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19842 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19843 Fixed to properly delete information if df is unused before
19846 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19848 PR rtl-optimization/25799
19849 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19850 Corrected confluence operator to remove bits from op2 before oring
19851 with op1 rather than removing bits from op1.
19852 (df_ru_transfer_function): Corrected test on wrong bitmap which
19853 caused infinite loop. Both of these problems were introduced in
19854 the dataflow rewrite.
19856 2006-01-19 DJ Delorie <dj@redhat.com>
19858 * reload1.c (find_reload_regs): Note the details of reload
19859 failures in the dump file.
19860 (spill_failure): Likewise.
19862 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19864 * loop-iv.c: Include df.h and hashtab.h.
19865 (enum iv_grd_result): New enum.
19866 (DF_REF_IV, DF_REF_IV_SET): New macros.
19867 (struct biv_entry): New.
19868 (df, bivs): New global variables.
19869 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19870 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19872 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19873 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19874 analyzed_for_bivness_p, record_biv): New functions.
19875 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19876 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19877 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19879 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19881 (iv_number_of_iterations): Use new interface to iv analysis.
19882 * loop-unroll.c: Do not include varray.h.
19883 (analyze_iv_to_split_insn): Use new interface to iv
19885 * loop-unswitch.c (may_unswitch_on): Ditto.
19886 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19888 (df_bb_modify): Realloc tables to the new index.
19889 (df_find_use): New function.
19890 * df.h (df_find_use): Declare.
19891 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19893 * cfgloop.h (struct rtx_iv): Remove analysed field.
19894 (iv_get_reaching_def): Removed.
19895 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19896 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19897 (loop-iv.o): Add df.h and hashtab.h dependency.
19898 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19900 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19903 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19905 (__floatundisf, __floatundidf): Likewise.
19906 * libgcc2.h (IS_IBM_EXTENDED): Define.
19908 2006-01-19 DJ Delorie <dj@redhat.com>
19910 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19912 2006-01-19 Paul Brook <paul@codesourcery.com>
19914 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19915 as nothrow when unwinding tables are disabled.
19917 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19920 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19921 of bit-field" when in system header.
19923 2006-01-19 DJ Delorie <dj@redhat.com>
19925 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19926 the 16 bit shift limit of the m16c.
19928 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19931 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19932 * config/i386/i386.c (output_set_got): Output the label if we have one
19933 for the TARGET_DEEP_BRANCH_PREDICTION case.
19935 2006-01-19 Jan Hubicka <jh@suse.cz>
19936 H.J. Lu <hongjiu.lu@intel.com>
19937 Evandro Menezes <evandro.menezes@amd.com>
19939 * invoke.texi (generic): Document
19941 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19942 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19943 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19944 (x86_use_incdec, x86_pad_returns): New variables
19945 (TARGET_CPU_DEFAULT_generic): New constant
19946 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19947 (enum processor_type): Add generic32 and generic64.
19948 * i386.md (cpu attribute): Add generic32/generic64
19949 (movhi splitter): Behave sanely when both partial_reg_dependency and
19950 partial_reg_stall are set.
19951 (K8 splitters): Enable for generic as well.
19952 * predicates.md (incdec_operand): Use TARGET_INCDEC
19953 (aligned_operand): Avoid memory mismatch stalls.
19954 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19955 * ppro.md: Enable for generic32
19956 * i386.c (generic64_cost, generic32_cost): New.
19957 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19958 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19959 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19960 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19961 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19962 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19963 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19964 x86_accumulate_outgoing_args, x86_prologue_using_move,
19965 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19966 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19967 Enable for generic.
19968 (x86_use_incdec, x86_pad_returns): New.
19969 (override_options): Add generic32 and generic64, translate "generic"
19970 to generic32/generic64 and "i686" to "generic32", refuse
19971 "generic32"/"generic64" as arch target.
19972 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19973 (ix86_reorg): Honor PAD_RETURNS.
19975 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19977 * tree-pretty-print.c (dump_generic_node): Handle
19978 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19979 * cgraph.c (cgraph_expand_queue): Rename from
19980 cgraph_analyze_queue. Update all users.
19981 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19982 cgraph_expand_queue.
19983 (cgraph_expand_all_functions): Likewise.
19984 (cgraph_finalize_pending_functions): Remove. Update callers.
19986 * tree.h (OMP_DIRECTIVE_P): Define.
19987 (OMP_PARALLEL_FN): Define.
19988 (OMP_PARALLEL_DATA_ARG): Define.
19989 (OMP_SECTIONS_SECTIONS): Define.
19990 * tree-pass.h (pass_expand_omp): Declare.
19991 * omp-low.c (struct omp_region): Declare.
19992 (struct omp_context): Remove fields 'parallel_type',
19993 'parallel_start_ix' and 'parallel_start_additional_args'.
19995 (struct omp_for_data): Rename from struct expand_omp_for_data.
19996 (omp_regions): New static variable.
19997 (root_omp_region): New static variable.
19998 (find_omp_clause): Make static.
19999 (is_in_combined_parallel_ctx): Remove.
20000 (is_combined_parallel): New.
20001 (extract_omp_for_data): Move earlier in the file.
20002 (workshare_safe_to_combine_p): New.
20003 (get_ws_args_for): New.
20004 (determine_parallel_type): Move earlier in the file.
20005 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20007 (omp_copy_decl): Likewise.
20008 (create_omp_child_function): Likewise.
20009 (lookup_omp_region): New.
20010 (dump_omp_region): New.
20011 (debug_omp_region): New.
20012 (debug_all_omp_regions): New.
20013 (new_omp_region): New.
20014 (scan_omp_parallel): If parallel_nesting_level > 1, the
20015 directive is nested within another parallel directive.
20016 Set OMP_PARALLEL_FN.
20017 (scan_omp_for): Do not try to handle combined parallel+for
20019 Remove FIXME comment.
20020 (scan_omp_nested): Remove.
20021 (scan_omp_1): Do not call scan_omp_nested when
20022 parallel_nesting_level is > 1.
20023 Do not change the DECL_CONTEXT of local variables found.
20024 (lookup_decl_in_outer_ctx): New.
20025 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20026 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20027 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20028 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20029 If CTX is nested, lookup VAR in the outer context when
20030 building copy assignment.
20031 (lower_send_clauses): Rename from expand_send_clauses.
20032 If CTX is nested, lookup VAR in the outer context when
20033 building copy assignments.
20034 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20035 If CTX is nested, lookup VAR in the outer context when
20036 building copy assignments.
20037 (expand_parallel_call): Rename from build_parallel_call.
20038 Handle combined parallel+workshare cases.
20039 Re-implement to emit code into the CFG.
20041 (expand_omp_parallel): Re-implement to emit code into the CFG.
20042 Call move_sese_region_to_fn to outline the sub-graph
20043 containing the parallel region.
20044 (expand_omp_for_1): Remove.
20045 (expand_omp_for_generic): Re-implement to emit code into the
20047 (expand_omp_for_static_nochunk): Likewise.
20048 (expand_omp_for_static_chunk): Likewise.
20049 (expand_omp_for): Likewise.
20050 (expand_omp_sections): Likewise.
20051 (remove_exit_barriers): New.
20052 (expand_omp_synch): New.
20054 (build_omp_regions_1): New.
20055 (build_omp_regions): New.
20056 (execute_expand_omp): New.
20057 (gate_expand_omp): New.
20058 (pass_expand_omp): Define.
20059 (lower_omp_sections): Rename from expand_omp_sections.
20060 Set OMP_SECTIONS_SECTIONS.
20061 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20062 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20063 (lower_omp_single): Rename from expand_omp_simple.
20064 (lower_omp_master): Rename from expand_omp_master.
20065 (lower_omp_ordered): Rename from expand_omp_ordered.
20066 (lower_omp_critical): Rename from expand_omp_critical.
20067 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20068 (lower_omp_for): Re-implement.
20069 (lower_omp_parallel): Re-implement.
20070 (lower_regimplify): Rename from expand_regimplify.
20071 (lower_omp_1): Rename from expand_omp_1.
20072 If there are syntax errors in the program, replace every
20073 OpenMP directive with NOP.
20074 Call lower_omp_* instead of expand_omp_*.
20075 (lower_omp): Rename from expand_omp.
20077 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20078 * tree-gimple.h (enum omp_parallel_type): Remove.
20079 (gimple_boolify): Declare extern.
20080 (find_omp_clause, determine_parallel_type): Remove.
20082 * gimple-low.c (lower_omp_directive): New.
20083 (lower_stmt): Call it.
20084 (record_vars_into): Move from ...
20085 (record_vars): ... here.
20086 Call record_vars_into with current_function_decl.
20088 * gimplify.c (struct gimplify_ctx): Remove fields
20089 combined_pre_p and combined_ctxp. Update users.
20090 (get_formal_tmp_var): Add documentation.
20091 (gimple_boolify): Make extern.
20092 (gimplify_expr_in_ctx): Remove. Update callers.
20093 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20094 will always be a BIND_EXPR.
20095 (gimplify_expr): Handle OMP_RETURN_EXPR.
20096 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20097 (OMP_PARALLEL): Add 3 operands.
20098 (OMP_SECTIONS): Add 1 operand.
20099 (OMP_RETURN_EXPR): Define.
20101 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20102 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20103 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20104 creating a circular free list.
20105 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20107 * tree-flow.h (move_sese_region_to_fn): Declare.
20108 (record_vars_into): Declare.
20109 * tree-cfg.c (make_omp_sections_edges): New.
20110 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20111 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20112 OMP_SECTIONS and OMP_SECTION.
20113 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20114 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20115 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20116 (gather_blocks_in_sese_region): New.
20117 (struct move_stmt_d): Declare.
20118 (move_stmt_r): New.
20119 (move_block_to_fn): New.
20120 (move_sese_region_to_fn): New.
20122 * passes.c (init_optimization_passes): Schedule
20123 pass_expand_omp after pass_init_datastructures.
20125 * tree-ssa-operands.c (get_expr_operands): Handle
20126 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20127 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20129 2006-01-19 Jeff Law <law@redhat.com>
20131 * tree-vrp.c (extract_range_from_assert): Refine the result range
20132 if the variable referenced by the ASSERT_EXPR has a range and
20133 either the tentative result range or the previous range is a
20136 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20138 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20140 2006-01-19 Jan Hubicka <jh@suse.cz>
20142 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20144 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20146 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20147 (expand_compound_operation, expand_field_assignment): Fail if the
20148 bit lengths of an extract operation are out of range.
20149 (make_extraction): Compute wanted_inner_mode based on the position
20150 and length of the extraction. Make it extraction_mode for non-constant
20151 positions, and do not modify offset in that case. When generating a
20152 new MEM, use a mode that can hold the extraction while keeping correct
20153 alignment. Remove code that supported MEMs wrapped by USEs.
20154 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20156 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20158 * config/s390/s390.md ("Y", "y"): New mode attribute.
20159 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20160 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20161 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20162 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20163 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20164 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20165 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20166 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20167 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20168 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20169 "addsi3", "subsi3"): Insn patterns removed.
20170 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20171 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20172 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20173 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20174 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20175 "*sub<mode>3_cconly2"): New insn patterns.
20176 ("addsi3", "subsi3"): New expanders.
20178 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20180 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20181 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20182 existing STMT_VINFO_VECTYPE if available.
20183 (vect_mark_relevant): Add special handling for stmts that are
20184 marked as STMT_VINFO_IN_PATTERN_P.
20185 (vect_analyze_loop): Call vect_pattern_recog.
20186 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20187 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20189 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20190 (vect_recog_func_ptr): New function-pointer type.
20191 * tree-vect-patterns.c: New file.
20192 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20193 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20194 (vect_pattern_recog_1): New functions.
20195 (vect_pattern_recog_funcs): New array of function pointers.
20197 * tree-vectorizer.h (ternary_op): New enum value.
20198 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20199 declaration. Revised documentation. Removed redundant dump prints.
20200 Removed redundant argument. Added support for reduction patterns.
20201 (vectorizable_reduction): Added support for reduction patterns.
20202 (vect_transform_stmt): Added support for patterns.
20204 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20205 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20206 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20207 (expand_widen_pattern_expr): New function.
20208 (init_optabs): Initialize new optabs udot_prod_optab,
20210 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20211 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20212 (expand_widen_pattern_expr): New function declaration.
20213 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20215 * tree-inline.c (estimate_num_insns_1): Added cases for new
20216 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20217 * tree-pretty-print.c (dump_generic_node): Likewise.
20218 (op_prio): Likewise.
20219 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20220 * tree-ssa-operands.c (get_expr_operands): Added case for
20222 * tree-vect-patterns.c (widened_name_p): New function.
20223 (vect_recog_dot_prod_pattern): Added function implementation.
20224 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20225 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20226 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20227 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20229 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20230 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20231 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20232 (init_optabs): Initialize new optabs widen_ssum_optab,
20234 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20235 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20236 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20237 use instead of type of def.
20238 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20239 function implementation.
20240 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20241 widen_ssumv8hi): New.
20243 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20246 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20249 * c-decl.c (add_flexible_array_elts_to_size): New function.
20250 (finish_decl): Use it.
20252 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20254 * diagnostic.h: Include options.h.
20255 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20256 dependancies for diagnostic.h.
20257 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20259 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20261 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20262 (ssa_ro_call_cache_valid): Ditto.
20263 * tree-ssa-alias.c (sort_tags_by_id): New function.
20264 (init_transitive_clobber_worklist): Ditto.
20265 (add_to_worklist): Ditto.
20266 (mark_aliases_call_clobbered): Ditto.
20267 (compute_tag_properties): Ditto.
20268 (set_initial_properties): Ditto.
20269 (compute_call_clobbered): Ditto.
20270 (compute_may_aliases): Call compute_call_clobbered and grouping.
20271 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20272 (compute_flow_insensitive_aliasing): Grouping now happens in our
20274 (setup_pointers_and_addressables): Remove clobbering related code.
20275 (add_may_alias): Ditto.
20276 (replace_may_alias): Ditto.
20277 (get_nmt_for): Ditto.
20278 (create_global_var):
20279 (is_escape_site): Return an escape_type enumeration.
20280 * tree-flow-inline.h (is_call_clobbered): Global var does not
20281 imply call clobbered.
20282 (mark_call_clobbered): Take a reason for marking this. Remove
20283 marking of globalness, and cache invalidation.
20284 (clear_call_clobbered): Remove cache invalidation code.
20285 * tree-dfa.c (dump_variable): If details is on, dump the reason
20287 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20289 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20290 (struct var_ann_d): Ditto.
20291 (enum escape_type): New.
20292 (mark_call_clobbered): Adjust prototype.
20293 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20294 are never call clobbered.
20295 Record reasons for escaping.
20296 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20297 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20298 (ssa_ro_call_cache_valid): Ditto.
20299 (clobbered_v_may_defs): Ditto.
20300 (clobbered_vuses): Ditto.
20301 (ro_call_vuses): Ditto.
20302 (clobber_stats): New.
20303 (init_ssa_operands): Zero out clobber stats.
20304 (fini_ssa_operands): Print out clobber stats.
20305 (get_call_expr_operands): Pass callee fndecl to
20306 add_call_read_ops).
20307 (add_call_clobber_ops): Remove use of cache.
20308 Add use of PURE_CONST information.
20309 (add_call_read_ops): Remove use of cache.
20310 Add use of static not_read information.
20312 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20314 Introduce TLS descriptors for i386 and x86_64.
20315 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20316 (TARGET_ANY_GNU_TLS): New macro.
20317 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20318 (struct machine_function): Add tls_descriptor_call_expanded_p.
20319 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20320 (ix86_current_function_calls_tls_descriptor): Likewise.
20321 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20322 (override_options): Introduce gnu2 tls dialect.
20323 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20325 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20327 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20328 (ix86_init_machine_status): Initialize new field.
20329 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20330 (ix86_tls_module_base): New.
20331 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20332 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20333 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20334 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20335 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20336 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20337 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20338 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20339 * config/i386/predicates.md (tls_modbase_operand): New.
20340 (tp_or_register_operand): New.
20342 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20344 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20345 (look_for_address_of): Ditto.
20346 (ipa_init): Walk the function decls.
20347 (static_execute): Don't set readonly on FUNCTION_DECL's.
20349 2006-01-18 Roger Sayle <roger@eyesopen.com>
20351 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20352 for shifts where the source and destination registers are different.
20354 2006-01-18 Paul Brook <paul@codesourcery.com>
20356 Merge from csl-arm-branch.
20357 2005-03-14 Julian Brown <julian@codesourcery.com>
20358 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20359 (aeabi_llsl): Likewise.
20360 (ashrdi3): Likewise.
20361 (aeabi_lasr): Likewise.
20362 (lshrdi3): Likewise.
20363 (aeabi_llsr): Likewise.
20364 2005-03-10 Julian Brown <julian@codesourcery.com>
20365 * config.gcc: Disable shared libgcc for SymbianOS.
20366 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20368 2006-01-18 DJ Delorie <dj@redhat.com>
20370 * c-pragma.c (handle_pragma_diagnostic): New.
20371 (init_pragma): Register it.
20372 * doc/extend.texi: Document it.
20374 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20375 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20376 (diagnostic_context): Add classify_diagnostic[].
20377 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20378 as errors if they're overridden to DK_WARNING.
20379 (diagnostic_initialize): Initialize classify_diagnostic[].
20380 (diagnostic_set_kind_override): New.
20381 (diagnostic_report_diagnostic): Check for kind changes.
20382 * opts.c (common_handle_option): Take lang_mask. Update callers.
20383 Handle OPT_Werror_.
20384 * common.opt (Werror=): New.
20385 * doc/invoke.texi: Document -Werror=*
20387 2006-01-18 Jeff Law <law@redhat.com>
20389 * tree-vrp.c (test_for_singularity): Correct test for new
20390 min limit. Use operand_equal_p rather than pointer equality
20391 for testing if new min/max values are equal.
20393 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20394 using range information until after propagation and folding.
20396 2006-01-18 Richard Henderson <rth@redhat.com>
20397 Aldy Hernandez <aldyh@redhat.com>
20398 Jakub Jelinek <jakub@redhat.com>
20399 Diego Novillo <dnovillo@redhat.com>
20401 * omp-low.c: New file.
20402 * c-omp.c: New file.
20404 2006-01-18 Richard Henderson <rth@redhat.com>
20405 Jakub Jelinek <jakub@redhat.com>
20406 Diego Novillo <dnovillo@redhat.com>
20408 * doc/invoke.texi: Document -fopenmp.
20409 * tree-dump.h (debug_function): Declare.
20410 * hooks.c (hook_bool_tree_bool_false): New function.
20411 (hook_tree_tree_null): Remove.
20412 (hook_tree_tree_tree_null): New.
20413 * hooks.h: Update to match.
20414 * tree-pretty-print.c (debug_tree_chain): New.
20415 (print_generic_expr): Handle TDF_CHAIN.
20416 (dump_generic_node): Handle BLOCK.
20417 Do not abort with incomplete SWITCH_EXPRs.
20418 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20419 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20420 print space after directive name.
20421 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20422 Handle OMP_MASTER and OMP_ORDERED.
20423 Handle printing of OMP_BODY just in one place, goto
20424 dump_omp_body in the rest of OMP_* nodes that have
20426 Don't handle clause nodes here. Update omp statements to
20427 use dump_omp_clauses.
20428 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20429 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20430 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20431 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20432 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20433 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20434 Adjust output for GOMP_PARALLEL.
20435 (dump_omp_clauses): New.
20436 (print_declaration): Dump DECL_VALUE_EXPR.
20437 (op_symbol_1): Split out of op_symbol.
20438 (dumping_stmts): Remove. Update all users.
20439 * cgraph.c (cgraph_analyze_queue): New.
20440 (cgraph_add_new_function): New.
20441 * cgraph.h (cgraph_analyze_queue): Declare.
20442 (cgraph_add_new_function): Declare.
20443 (cgraph_lower_function): Remove.
20444 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20445 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20446 and TYPE_P nodes in its default clause.
20447 (empty_body_p): New.
20448 (tree_range_check_failed): New.
20449 (build5_stat): New.
20450 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20451 OMP_CLAUSE_REDUCTION_MERGE,
20452 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20453 OMP_CLAUSE_PRIVATE_DEBUG,
20454 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20455 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20456 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20457 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20458 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20459 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20460 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20461 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20462 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20463 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20464 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20465 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20466 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20467 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20468 (TREE_RANGE_CHECK): New.
20469 (empty_body_p): Declare.
20470 (enum omp_clause_default_kind): New.
20471 (build_string_literal): Declare.
20472 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20473 (build5_stat, build5): Declare.
20474 * tree-pass.h (TDF_CHAIN): Define.
20475 * tree-pass.h (PROP_gimple_lomp): Define.
20476 (pass_lower_omp): Declare.
20477 * diagnostic.h (debug_tree_chain): Declare.
20478 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20480 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20481 * builtins.c (build_string_literal): Make extern.
20482 * gcc.c (include_spec_function): New.
20483 (static_spec_functions): Add it.
20484 (main): Move load of libgomp.spec ...
20485 (LINK_COMMAND_SPEC): ... here.
20486 (link_gomp_spec): New.
20487 (static_specs): Include it.
20488 (LINK_COMMAND_SPEC): Add link_gomp.
20489 (GOMP_SELF_SPECS): New.
20490 (driver_self_specs): Include it.
20491 (switch_matches): Don't mark inline.
20492 (main): Load libgomp.spec.
20493 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20494 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20495 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20496 * tree-gimple.h (enum omp_parallel): Declare.
20497 (determine_parallel_type): Declare.
20498 (omp_firstprivatize_variable): Declare.
20499 (omp_reduction_init): Declare.
20500 (diagnose_omp_structured_block_errors): Declare.
20501 (struct walk_stmt_info): Add want_return_expr.
20502 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20503 (find_omp_clause): Declare.
20504 (insert_field_into_struct): Declare.
20505 (struct walk_stmt_info): Move from tree-nested.c
20506 (walk_stmts): Declare.
20507 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20509 * cgraphunit.c (cgraph_lower_function): Make static.
20510 (cgraph_finalize_pending_functions): New.
20511 (cgraph_finalize_function): Call it.
20512 (cgraph_finalize_compilation_unit): Likewise.
20513 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20514 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20515 (BT_FN_UINT_UINT): New.
20516 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20517 DEF_FUNCTION_TYPE_VAR_4): Document.
20518 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20519 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20520 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20521 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20522 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20523 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20524 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20525 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20526 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20527 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20528 into separate files.
20529 (DEF_GOMP_BUILTIN): New.
20530 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20531 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20532 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20533 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20534 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20535 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20536 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20537 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20538 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20539 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20540 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20541 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20542 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20543 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20544 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20545 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20546 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20547 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20548 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20549 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20550 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20551 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20552 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20553 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20554 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20555 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20556 * sync-builtins.def: New file, moved from builtins.def.
20557 * omp-builtins.def: New file, moved from builtins.def.
20558 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20559 * gimple-low.c (lower_function_body): Clear data.
20560 (lower_stmt): Do not handle COMPOUND_EXPR.
20561 Remove call to print_node_brief.
20562 * c-tree.h (c_finish_omp_clauses): New prototype.
20563 (C_DECL_THREADPRIVATE_P): Define.
20564 (lookup_name_no_remap, c_omp_remap_private): Remove
20565 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20566 (check_for_loop_decls): Update decl.
20567 (lookup_name_no_remap, c_omp_remap_private): Declare.
20568 (build_indirect_ref, build_modify_expr, pushdecl,
20569 pushdecl_top_level): Move to c-common.h.
20570 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20571 before the switch, but just in the 2 places that need it.
20572 * c-decl.c (diagnose_mismatched_decls): Do not check for
20573 mismatched thread-local attributes when OLDDECL is marked
20574 threadprivate and NEWDECL has no thread-local attributes.
20575 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20576 (c_gimple_diagnostics_recursively): Rename from
20577 c_warn_unused_result_recursively. Invoke
20578 diagnose_omp_structured_block_errors.
20579 (check_for_loop_decls): Return a singular decl found.
20580 * langhooks.c (lhd_omp_predetermined_sharing): Return
20581 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20582 (lhd_omp_firstprivatize_type_sizes): New.
20583 (lhd_omp_assignment): New.
20584 (lhd_omp_predetermined_sharing): New.
20585 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20586 (struct lang_hooks_for_types): Add
20587 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20588 omp_predetermined_sharing, omp_disregard_value_expr,
20589 omp_private_debug_clause, omp_clause_default_ctor,
20590 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20591 (c_finish_omp_clauses): New.
20592 (c_finish_bc_stmt): Diagnose break within omp for.
20593 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20594 (build_unary_op): Return error_mark after reporting
20596 (build_modify_expr): Likewise.
20597 * gimplify.c: Include optabs.h and pointer-set.h.
20598 (enum gimplify_omp_var_data): Declare.
20599 (struct gimplify_omp_ctx): Declare.
20600 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20602 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20603 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20604 (splay_tree_compare_decl_uid): New.
20605 (new_omp_context): New.
20606 (delete_omp_context): New.
20607 (gimple_add_tmp_var): Call omp_add_variable.
20608 (gimplify_bind_expr): Likewise.
20609 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20610 true, disregard DECL_VALUE_EXPR on the decl if any.
20611 (gimplify_expr_in_ctx): New.
20612 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20613 omp_add_variable, omp_notice_variable, omp_is_private
20614 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20615 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20616 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20617 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20618 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20619 gimplify_omp_atomic): New.
20620 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20621 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20622 OMP_CRITICAL and OMP_ATOMIC.
20623 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20624 * c-pragma.h (enum pragma_kind): Add
20625 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20626 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20627 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20628 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20629 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20630 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20631 PRAGMA_OMP_THREADPRIVATE.
20632 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20633 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20634 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20635 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20636 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20637 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20638 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20639 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20640 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20641 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20642 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20643 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20644 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20646 (struct nesting_info): Add field_map,
20647 suppress_expansion, debug_var_chain.
20648 (create_nesting_tree): Initialize them.
20649 (lookup_field_for_decl): Use field_map.
20650 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20651 (convert_local_omp_clauses): New.
20652 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20653 (walk_body): Split out of walk_function.
20654 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20655 (convert_nonlocal_reference): Handle omp statements.
20656 (convert_local_reference): Likewise.
20657 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20658 (unnest_nesting_tree): New.
20659 (lower_nested_functions): Call it.
20660 (insert_field_into_struct): Make extern.
20661 (struct walk_stmt_info): Move to tree-gimple.h.
20662 (walk_stmts): Make extern.
20663 * omp-builtins.def: New file.
20664 * tree-iterator.c (expr_only): Clarify comment.
20665 * c-common.h (pushdecl_top_level, pushdecl,
20666 build_modify_expr, build_indirect_ref,
20667 c_finish_omp_master, c_finish_omp_critical,
20668 c_finish_omp_ordered, c_finish_omp_barrier,
20669 c_finish_omp_atomic, c_finish_omp_flush,
20670 c_finish_omp_for, c_split_parallel_clauses,
20671 omp_clause_default_kind, c_omp_sharing_predetermined,
20672 c_omp_remap_decl): Declare.
20673 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20674 (OBJS-common): Add omp-low.o.
20675 (c-omp.o, omp-low.o): Add.
20676 (gimplify.o): Add dependency on $(OPTABS_H).
20677 (GTFILES): Add omp-low.c.
20678 (gt-stringpool.h): Add.
20679 * tree-cfg.c (set_bb_for_stmt): Do not update the
20680 block-to-labels map if we are currently expanding to RTL.
20681 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20683 Handle IDENTIFIER_NODE.
20684 (tree_verify_flow_info): Do not ICE when emitting error
20685 messages about invalid labels.
20686 (dump_function_to_file): Reset CFUN before emitting the body
20688 (debug_function): New.
20689 * passes.c (init_optimization_passes): Schedule
20691 * langhooks-def.h (lhd_omp_predetermined_sharing,
20692 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20694 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20695 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20696 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20697 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20698 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20699 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20700 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20701 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20702 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20703 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20704 (LANG_HOOK_DECLS): Use them.
20706 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20707 Richard Henderson <rth@redhat.com>
20708 Jakub Jelinek <jakub@redhat.com>
20709 Diego Novillo <dnovillo@redhat.com>
20711 * c-parser.c (pragma_omp_clause): Define.
20712 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20713 (c_parser_compound_statement): Likewise.
20714 (c_parser_statement): Likewise.
20715 (c_parser_pragma): Handle omp pragmas.
20716 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20717 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20718 (c_parser_omp_clause_name, check_no_duplicate_clause,
20719 c_parser_omp_variable_list,
20720 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20721 c_parser_omp_clause_copyprivate,
20722 c_parser_omp_clause_default,
20723 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20724 c_parser_omp_clause_lastprivate,
20725 c_parser_omp_clause_nowait,
20726 c_parser_omp_clause_num_threads,
20727 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20728 c_parser_omp_clause_reduction,
20729 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20730 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20731 c_parser_omp_atomic, c_parser_omp_barrier,
20732 c_parser_omp_critical, c_parser_omp_flush,
20733 c_parser_omp_for_loop, c_parser_omp_for,
20734 c_parser_omp_master, c_parser_omp_ordered,
20735 c_parser_omp_sections_scope, c_parser_omp_sections,
20736 c_parser_omp_parallel, c_parser_omp_single,
20737 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20738 * c-pragma.c (init_pragma): Do omp pragma registration here.
20739 * c.opt (fopenmp): New flag.
20741 2006-01-18 Eric Christopher <echristo@apple.com>
20743 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20744 * config/darwin.h (GOMP_SELF_SPECS): Define.
20746 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20748 * rtl.h: Remove the prototype for reg_alloc.
20750 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20753 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20754 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20755 sjlj and dwarf2 exception handling.
20756 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20757 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20758 * pa/pa.c (function_value): Treat complex and vector types as
20760 (function_arg): Likewise. Only pass scalar floats in the floating
20761 point argument registers.
20762 * pa/t-slibgcc-dwarf-ver: New file.
20763 * pa/t-slibgcc-sjlj-ver: New file.
20764 * pa/t-slibgcc-elf-ver: Delete file.
20766 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20768 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20769 unlikely_test_section_p test.
20771 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20773 * mode-switching.c (optimize_mode_switching): Make it static.
20774 * basic-block.h: Remove the prototype for
20775 optimize_mode_switching.
20777 * modulo-sched.c (sms_schedule): Make it static.
20778 * rtl.h: Remove the prototype for sms_schedule.
20780 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20781 * rtl.h: Remove the prototype for gcse_after_reload_main.
20783 * reg-stack.c (reg_to_stack): Make it static.
20784 * rtl.h: Remove the prototype for reg_to_stack.
20786 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20788 * rtl.h: Remove the prototypes for regrename_optimize and
20789 copyprop_hardreg_forward.
20791 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20793 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20794 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20795 Test against the appropriate null constant for the mode.
20796 If 'fixup_overlap' is true, swap the operands if they overlap.
20797 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20798 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20799 alpha_split_tmode_pair and adjust for above change.
20800 * config/alpha/alpha.md (movtf_internal): Adjust call to
20801 alpha_split_tfmode_pair and rely on it to swap the operands.
20802 (movti_internal): New insn and post-reload splitter.
20803 (movti): New expander.
20805 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20807 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20810 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20812 * rtlanal.c (global_reg_mentioned_p_1,
20813 global_reg_mentioned_p): Remove.
20814 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20816 * flow.c (initialize_uninitialized_subregs): Make it static.
20817 * rtl.h: Remove the prototype for
20818 initialize_uninitialized_subregs.
20820 * function.c (instantiate_virtual_regs): Make it static.
20821 * function.h: Remove the prototype for
20822 instantiate_virtual_regs.
20824 * regmove.c (regmove_optimize, combine_stack_adjustments):
20826 * rtl.h: Remove the prototypes for regmove_optimize and
20827 combine_stack_adjustments.
20829 2006-01-17 Roger Sayle <roger@eyesopen.com>
20831 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20832 (size_cost): Encode costs in bytes so that a reg-reg addition is
20833 equivalent to COSTS_N_INSNS(1).
20834 (override_options): Use the size_cost.branch_cost as the default
20835 ix86_branch_cost when optimizing for size.
20837 2006-01-18 Ben Elliston <bje@au.ibm.com>
20839 * Makefile.in (D32PBIT_FUNCS): New.
20840 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20841 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20842 D64PBIT_FUNCS and D128PBIT_FUNCS.
20843 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20844 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20846 (decnumber_dep): Define.
20847 * doc/libgcc.texi (Decimal float library routines): New node.
20848 * config/dfp-bit.h, config/dfp-bit.c: New files.
20850 2006-01-18 Ben Elliston <bje@au.ibm.com>
20852 * expr.c (emit_move_change_mode): Always adjust addresses, not
20853 just during reload. Copy replacements only during reload.
20854 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20855 emit_move_via_integer.
20857 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20859 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20860 instead of $(srcdir) and ${srcdir}.
20862 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20865 PR middle-end/11135
20866 * arm.h (struct machine_function): Add pic_reg.
20867 * arm.c (arm_pic_register): Make unsigned.
20868 (arm_override_options): Only set arm_pic_register if
20869 TARGET_SINGLE_PIC_BASE.
20870 (use_return_insn): Only test for a pic register if it is fixed.
20871 (arm_compute_save_reg0_reg12_mask): Likewise.
20872 (thumb_compute_save_reg_mask): Likewise.
20873 (legitimate_pic_operand): Factor out some known invariants.
20874 (legitimize_pic_address): If we don't have a fixed pic register,
20875 then set up a pseudo in the function entry sequence. Handle the
20876 pic base being in a pseudo.
20877 (arm_load_pic_register): Handle the pic register being in a pseudo.
20878 (arm_expand_prologue): Only set up the pic register if it is fixed.
20879 (thumb_expand_prologue): Likewise.
20880 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20881 (pic_load_addr_based_insn): Likewise.
20882 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20885 2006-01-18 Ben Elliston <bje@au.ibm.com>
20887 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20888 decimal float modes for all floating point registers.
20890 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20891 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20893 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20896 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20897 even when the pointer is not NULL.
20899 2006-01-16 Ian Lance Taylor <ian@airs.com>
20901 * common.opt (ftoplevel-reorder): New option.
20902 * cgraph.c (cgraph_asm_nodes): New global variable.
20903 (cgraph_asm_last_node): New static variable.
20904 (cgraph_order): New global variable.
20905 (cgraph_create_node): Set new order field.
20906 (cgraph_varpool_node): Likewise.
20907 (decide_is_variable_needed): Return true if not
20908 flag_toplevel_reorder.
20909 (cgraph_add_asm_node): New function.
20910 * cgraph.h (struct cgraph_node): Add order field.
20911 (struct cgraph_varpool_node): Add order field.
20912 (struct cgraph_asm_node): Define.
20913 (cgraph_asm_nodes, cgraph_order): Declare.
20914 (cgraph_add_asm_node): Declare.
20915 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20917 (cgraph_varpool_assemble_pending_decls): Call it.
20918 (cgraph_output_pending_asms): New static function.
20919 (cgraph_finalize_compilation_unit): Call it.
20920 (struct cgraph_order_sort): Define.
20921 (cgraph_output_in_order): New static function.
20922 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20923 !flag_toplevel_reorder case.
20924 * c-parser.c: Include "cgraph.h".
20925 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20927 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20928 than -fno-unit-at-a-time.
20929 * doc/invoke.texi (Option Summary): Mention
20930 -fno-toplevel-reorder.
20931 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20932 -funit-at-a-time documentation.
20934 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20935 Kazu Hirata <kazu@codesourcery.com>
20937 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20939 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20941 * Makefile.in (FUNCTION_H): New. Use it instead of
20942 function.h throughout the file.
20943 * function.h: Include tree.h.
20945 2006-01-17 Ben Elliston <bje@au.ibm.com>
20947 * recog.c: Separate some functions with whitespace.
20949 2006-01-16 Richard Henderson <rth@redhat.com>
20951 Merge from gomp branch:
20952 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20953 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20954 and rename from struct inline_data. Rename callee* to dst*;
20955 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20956 transform_new_cfg, transform_return_to_modify, and
20957 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20959 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20960 (copy_decl_for_dup): Remove.
20961 * tree-inline.c (struct inline_data): Move to header.
20962 (insert_decl_map): Export.
20963 (remap_decl): Update for member name changes. Use copy_decl hook.
20964 Allow for replacement to be a non-decl. Remove dead code.
20965 (remap_type_1): Check for existing mapping.
20966 (remap_type): Export.
20967 (remap_decls): Update for member name changes.
20968 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20969 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20970 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20971 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20972 (tree_function_versioning, build_duplicate_type): Likewise.
20973 (copy_body_r): Likewise. Export.
20974 (copy_decl_for_dup): Split into ...
20975 (copy_decl_for_dup_finish, copy_decl_to_var,
20976 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20977 (replace_ref_tree, inlining_p): Remove.
20979 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20981 * ifcvt.c (if_convert): Make it static.
20982 * rtl.h: Remove the prototype for if_convert.
20984 * local-alloc.c (local_alloc): Make it static.
20985 * rtl.h: Remove the prototype for local_alloc.
20987 * loop.c (loop_optimize): Make it static.
20988 * cfgloop.h: Remove the prototype for loop_optimize.
20991 2006-01-16 DJ Delorie <dj@redhat.com>
20993 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20996 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20998 * pa.md: Disparage copies between general and floating-point registers
20999 in 32-bit move patterns.
21001 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21004 * Makefile.in (check-%): Depend on site.exp instead of
21005 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21008 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21010 * global.c (global_alloc): Make it static.
21011 * rtl.h: Remove the prototype for global_alloc.
21013 2006-01-16 Richard Guenther <rguenther@suse.de>
21015 * tree-ssa-alias.c (struct used_part): Add write_only field.
21016 (get_or_create_used_part_for): Initialize it to true.
21017 (create_overlap_variables_for): Don't create structure variables
21018 for structures that only are written to.
21019 (find_used_portions): Handle MODIFY_EXPR to track whether a
21020 structure is only written to.
21022 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21024 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21026 * basic-block.h: Remove the prototype for
21027 partition_hot_cold_basic_blocks.
21029 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21031 * cppspec.c (lang_specific_spec_functions): Remove.
21032 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21033 * gcc.h (lang_specific_spec_functions): Remove.
21034 * gccspec.c (lang_specific_spec_functions): Remove.
21036 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21038 * combine.c (record_value_for_reg): Invalidate registers
21040 (record_dead_and_set_regs_1): Likewise, by passing them to
21041 record_value_for_reg.
21042 (record_dead_and_set_regs): Invalidate stores made by a
21043 call. We do not combine across a call, but we still
21044 relied on equivalences.
21046 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21048 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21049 vrp_int_const_binop returning non-constant nodes.
21051 2006-01-16 Paul Brook <paul@codesourcery.com>
21053 * config/m68k/m68k.c (output_move_const_into_data_reg):
21054 Output correct mnemonic for mvz and mvs.
21056 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21058 * rtl-factoring.c: Add sequence abstraction algorithm.
21059 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21060 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21062 (block_has_preserve_label): New function.
21063 * common.opt: Register new pass.
21064 * Makefile.in: Ditto.
21066 * timevar.def: Ditto.
21067 * tree-pass.h: Ditto.
21068 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21069 * rtl.h (make_jump_insn_raw): Add forward decl.
21070 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21072 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21073 Roger Sayle <roger@eyesopen.com>
21075 * fold-const.c (fold_minmax): New static function.
21076 (fold_binary) <MIN_EXPR>: Call it.
21077 <MAX_EXPR>: Likewise.
21078 * stor-layout.c (place_field): Use DECL_SIZE consistently
21079 in the computation of the new record size.
21081 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21083 * cse.c (cse_condition_code_reg): Make it static.
21084 * rtl.h: Remove the prototype for cse_condition_code_reg.
21086 * combine.c (combine_instructions): Make it static.
21087 * rtl.h: Remove the prototype for combine_instructions.
21089 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21092 * tree.c (get_file_function_name_long): Concatenate the first global
21093 object name with a string derived from the input filename of the object
21096 2006-01-16 Ben Elliston <bje@au.ibm.com>
21098 * config/i386/winnt-stubs.c: Update FSF address.
21099 * config/xtensa/ieee754-df.S: Ditto.
21100 * config/xtensa/ieee754-sf.S: Ditto.
21102 2006-01-14 Ian Lance Taylor <ian@airs.com>
21104 * ifcvt.c (noce_init_if_info): New static function, broken out of
21105 noce_process_if_block.
21106 (noce_process_if_block): Call noce_init_if_info.
21107 (check_cond_move_block): New static function.
21108 (cond_move_process_if_block): New static function.
21109 (process_if_block): Call cond_move_process_if_block.
21111 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21113 * cselib.c (hash_table): Rename to cselib_hash_table.
21114 (cselib_clear_table, discard_useless_values,
21115 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21116 cselib_init, cselib_finish): Adjust uses of hash_table.
21118 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21120 PR tree-optimization/25485
21121 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21122 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21123 is known to be false and true, respectively.
21125 2006-01-14 Richard Guenther <rguenther@suse.de>
21127 PR tree-optimization/22548
21128 PR tree-optimization/22555
21129 PR tree-optimization/22501
21130 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21131 * params.def (salias-max-array-elements): New parameter.
21132 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21133 * doc/invoke.texi (salias-max-array-elements): Document.
21134 * tree-flow-inline.h (var_can_have_subvars): We also handle
21136 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21138 * tree-ssa-structalias.c (params.h): Include.
21139 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21140 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21141 (get_constraint_for): For ADDR_EXPR operating on something
21142 containing an ARRAY_REF, add all subvars to the solution.
21143 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21144 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21145 for creating MUST_DEFs.
21146 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21148 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21150 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21152 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21153 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21154 number_of_iterations_le): New functions.
21155 (number_of_iterations_special): Removed.
21156 (number_of_iterations_exit): Do not use number_of_iterations_special.
21157 * tree.c (unsigned_type_for): Always return integer type.
21159 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21160 Richard Guenther <rguenther@suse.de>
21162 PR rtl-optimization/24257
21163 * gcse.c (find_moveable_store): Only consider a store movable
21164 when the SET_SRC of the insn can be assigned to a register.
21166 2006-01-14 Ian Lance Taylor <ian@airs.com>
21168 * tree.c (tree_not_class_check_failed): New function.
21169 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21170 (tree_not_class_check_failed): Declare.
21172 2006-01-13 Ian Lance Taylor <ian@airs.com>
21174 * reload1.c (do_output_reload): Add assertion rejecting a
21177 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21179 * combine.c (struct reg_stat): Add new fields truncation_label and
21181 (record_value_for_reg): Reset truncated_to_mode.
21182 (record_truncated_value): New function.
21183 (check_promoted_subreg): Call it. Rename to check_conversions.
21184 (combine_instructions): Rename check_promoted_subreg to
21186 (reg_truncated_to_mode): New function.
21187 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21188 (gen_lowpart_or_truncate): New function.
21189 (force_to_mode): Use it instead of gen_lowpart.
21191 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21193 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21194 VAR is a tag, not its type tag.
21196 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21198 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21199 alternatives to match style of other entries.
21200 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21202 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21204 PR tree-optimization/25771
21205 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21208 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21211 * tree-inline.c (declare_return_variable): If the return variable
21212 was marked as a non gimple complex, set the return slot variable
21213 to be a non gimple comple variable.
21215 2006-01-13 Richard Guenther <rguenther@suse.de>
21217 * builtins.c (expand_builtin_sincos): New function.
21218 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21220 (expand_builtin): Expand sincos using expand_builtin_sincos.
21222 2006-01-12 DJ Delorie <dj@redhat.com>
21224 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21225 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21226 so that constant shifts can be split.
21227 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21228 (m32c_valid_pointer_mode): Make static.
21229 (shift_gen_func_for): New.
21230 (m32c_prepare_shift): Use it. Split large const shifts into
21232 * config/m32c/predicates.md (shiftcount_operand): Allow more
21234 (longshiftcount_operand): New.
21235 * doc/md.texi (Machine Constraints): Document In6.
21237 2006-01-13 Ben Elliston <bje@au.ibm.com>
21239 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21240 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21243 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21245 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21246 to try to avoid clobbering pieces of structures when we know
21247 something about the whole structure.
21248 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21250 2006-01-13 Ben Elliston <bje@au.ibm.com>
21252 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21253 return in memory, as this is no limitation is no longer present.
21255 2006-01-12 DJ Delorie <dj@redhat.com>
21257 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21258 mova with fb, and for fb+0 -> An.
21260 * config/m32c/mov.md (peephole2): Fix enabling logic.
21262 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21263 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21264 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21265 FINI_ARRAY_SECTION_ASM_OP): Define.
21267 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21269 (m32c_legitimize_reload_address): New logic to reload FB to An.
21270 (m32c_output_reg_push): Add newline.
21271 (m32c_output_reg_pop): Likewise.
21273 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21275 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21277 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21279 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21281 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21283 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21286 2006-01-11 Ben Elliston <bje@au.ibm.com>
21288 * rtlanal.c (find_reg_note): Assert insn is not null.
21290 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21292 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21295 2006-01-11 Jeff Law <law@redhat.com>
21297 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21299 (mark_threaded_blocks, register_jump_thread): New functions.
21300 (thread_through_all_blocks): Remove unwanted argument. No
21301 longer rely on e->aux to communicate thread target info.
21302 Call mark_threaded_blocks. Release the threaded_blocks
21303 bitmap and threaded_edges vector when complete.
21304 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21305 (threaded_blocks): Remove.
21306 (tree_ssa_dominator_optimize): Remove initialization and
21307 finalization of threaded_blocks. Simplify call to
21308 thread_through_all_blocks.
21309 (thread_across_edge): Call register_jump_thread rather than
21310 storing thread information into e->aux.
21311 (free_all_edge_infos): Simplify now that e->aux is no longer
21312 used to communicate with thread_through_all_blocks.
21313 * tree-flow.h (thread_through_all_blocks): Update prototype.
21314 (register_jump_thread): Prototype.
21316 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21318 * df-core.c (df_compact_blocks, df_bb_replace): Use
21319 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21321 2006-01-11 Richard Guenther <rguenther@suse.de>
21323 PR tree-optimization/25734
21324 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21325 stop propagation after successful propagation to the LHS.
21327 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21329 * basic-block.h (control_flow_graph): Change the type of
21330 x_basic_block_info to VEC(basic_block,gc) *.
21331 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21333 (SET_BASIC_BLOCK): New.
21334 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21335 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21336 * cfgbuild.c (find_basic_blocks): Likewise.
21337 * cfglayout.c (fixup_reorder_chain): Likewise.
21338 * cfgrtl.c (create_basic_block_structure,
21339 rtl_create_basic_block): Likewise.
21340 * ifcvt.c (find_if_case_1): Likewise.
21341 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21344 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21346 * Makefile.in: Removed rotted odf.c entry.
21348 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21351 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21352 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21353 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21354 output pattern modifier, not %e.
21355 * config/cris/cris.c (cris_op_str): Update comment about pattern
21357 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21358 before falling through into...
21359 <case 'E'>: Redefined from old 'e' case.
21361 2006-01-11 Jan Hubicka <jh@suse.cz>
21364 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21366 2006-01-11 Jan Hubicka <jh@suse.cz>
21368 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21369 * i386.c (x86_decompose_lea): Kill.
21370 (ix86_rtx_costs): Kill.
21372 2006-01-11 Jan Hubicka <jh@suse.cz>
21374 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21375 * cgraph.h (cgraph_node): Add inline_decl.
21376 (cgraph_insert_node_to_hashtable): Declare.
21377 (save_inline_function_body): Declare.
21378 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21380 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21381 (cgraph_function_versioning): Update call of tree_function_versioning.
21382 (save_inline_function_body): New function.
21383 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21384 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21385 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21386 (cgraph_default_inline_p): Likewise.
21387 (cgraph_decide_inlining_incrementally): Likewise.
21388 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21389 (copy_bb): Kill saving; do updating of clones.
21390 (copy_cfg_body): Kill saving.
21391 (initialize_inlined-parameters): Likewise.
21392 (expand_call_inline): Likewise.
21394 (tree_function_versioning): New parameter "update_clones".
21395 (inlining_p): Kill saving.
21396 * tree-inline.h (tree_function_versioning): Update prototype.
21397 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21400 2006-01-11 Ian Lance Taylor <ian@airs.com>
21402 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21403 Allow undoing set of machine mode.
21404 (do_SUBST): Use enums instead of is_int.
21405 (do_SUBST_MODE): New function.
21406 (SUBST_MODE): New macro.
21407 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21408 reg and trying to replace reg_regno_rtx with a new register.
21409 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21410 (simplify_set): Use SUBST_MODE.
21411 (distribute_notes): Remove code that tried to update reg notes
21412 for regno_reg_rtx changes.
21414 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21416 PR tree-optimization/23109
21417 PR tree-optimization/23948
21418 PR tree-optimization/24123
21420 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21421 * tree-cfg.c (single_noncomplex_succ): New.
21422 * tree-flow.h (single_noncomplex_succ): Declare it.
21423 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21424 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21425 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21426 insert_bb, register_division_in, insert_reciprocals,
21427 replace_reciprocal, free_bb): New.
21428 (execute_cse_reciprocals_1): Rewritten.
21429 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21430 Do not commit any edge insertion. Always compute dominators and
21431 create the allocation pool.
21432 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21433 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21434 * targhooks.c (default_min_divistions_for_recip_mul): New.
21435 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21436 * passes.c (init_optimization_passes): Run recip after tree loop
21438 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21440 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21441 Kenneth Zadeck <zadeck@naturalbridge.com>
21443 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21444 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21445 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21446 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21447 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21448 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21449 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21450 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21451 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21452 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21453 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21454 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21455 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21456 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21457 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21458 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21459 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21460 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21461 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21462 DF_SCAN_POST_ALLOC): New macros.
21463 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21464 df_free_bb_function, df_local_compute_function, df_init_function,
21465 df_dataflow_function, df_confluence_function_0,
21466 df_confluence_function_n, df_transfer_function,
21467 df_finalizer_function, df_free_function, df_dump_problem_function,
21468 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21469 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21470 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21471 df_urec_bb_info, ) New types.
21472 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21474 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21475 df_analyze_simple_change_some_blocks,
21476 df_analyze_simple_change_one_block, df_compact_blocks,
21477 df_bb_replace, df_bb_regno_last_use_find,
21478 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21479 df_insn_regno_def_p, df_find_def, df_find_use,
21480 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21481 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21482 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21483 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21484 debug_df_chain, df_get_dependent_problem, df_chain_create,
21485 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21486 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21487 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21488 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21489 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21490 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21491 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21492 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21493 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21494 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21495 df_reorganize_refs, df_set_state, df_hard_reg_init,
21496 df_read_modify_subreg_p) New public functions.
21497 * df-core.c: The core dataflow solver and glue routines for rtl
21499 (df_init, df_add_problem, df_set_blocks, df_finish,
21500 df_hybrid_search_forward, df_hybrid_search_backward,
21501 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21502 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21503 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21504 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21505 df_reg_defined, df_find_use, df_reg_used, df_dump,
21506 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21507 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21508 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21509 debug_df_useno, reset_df_after_reload): New functions.
21510 * df-scan.c: The scanning fuctions, once in df.c, completely
21511 rewritten so that they now fully model the functionality of
21512 register usage at the backend.
21513 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21514 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21515 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21516 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21517 df_get_artificial_defs, df_get_artificial_uses,
21518 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21519 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21520 df_refs_delete, df_reorganize_refs, df_set_state,
21521 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21522 df_def_record_1, df_defs_record, df_uses_record,
21523 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21524 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21525 df_record_exit_block_uses, df_hard_reg_init): New functions.
21527 * df-problems.c: Seven concrete dataflow problems that use the
21528 scanning in df-scan.c and are solved by the engine in df-core.c.
21529 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21530 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21531 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21532 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21533 df_ru_free_bb_info, df_ru_alloc,
21534 df_ru_bb_local_compute_process_def,
21535 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21536 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21537 df_ru_transfer_function, df_ru_free, df_ru_dump,
21538 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21539 df_rd_free_bb_info, df_rd_alloc,
21540 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21541 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21542 df_rd_transfer_function, df_rd_free, df_rd_dump,
21543 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21544 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21545 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21546 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21547 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21548 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21549 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21550 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21551 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21552 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21553 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21554 df_urec_mark_reg_use_for_earlyclobber,
21555 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21556 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21557 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21558 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21559 df_chain_create_bb_process_use, df_chain_create_bb,
21560 df_chain_finalize, df_chain_free, df_chains_dump,
21561 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21562 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21563 df_reg_lifetime): New functions.
21564 * df.c: Deleted file.
21565 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21566 consistent with new df api.
21567 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21568 rest_of_handle_sms): Ditto.
21569 * web.c (unionfind_union, union_defs, entry_register, web_main):
21571 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21572 invariant_expr_equal_p, find_defs, check_dependencies,
21573 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21574 free_inv_motion_data, move_loop_invariants): Ditto.
21575 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21576 Update dependencies.
21577 (odf.c): Added defective entry that was deleted later in day.
21578 * sched-deps.c (sched_analyze_1): Ditto.
21580 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21582 * tree-ssa-operands.c (get_expr_operands): Record addressable
21583 variables directly. Do not call add_stmt_operands for CONST_DECLs
21585 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21586 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21588 2006-01-11 Ben Elliston <bje@au.ibm.com>
21590 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21591 function returns true in the positive case.
21593 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21596 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21597 for SI, DI, SF and DF modes. Add alternatives to copy between
21598 general and floating point registers to the 32-bit patterns.
21599 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21600 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21601 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21602 generating 64-bit code.
21603 * config/pa/pa.c (output_move_double): Handle copies between general
21604 and floating registers.
21606 2006-01-10 Stuart Hastings <stuart@apple.com>
21608 * config/i386/i386.md (set_got): Update.
21609 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21610 (builtin_setjmp_receiver): Mach-O support.
21611 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21612 (GOT_SYMBOL_NAME): Define.
21613 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21614 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21615 * config/i386/i386.c (override_options): Revise for Darwin.
21616 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21617 support. (darwin_x86_file_end): New. (output_set_got): Add label
21618 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21619 * config/i386/i386-protos.h (output_set_got): Likewise.
21620 * config/darwin.c (machopic_legitimize_pic_address): Update
21623 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21625 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21626 when MODE isn't BLKmode.
21628 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21630 PR rtl-optimization/25367
21631 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21633 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21636 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21637 for a negative bound.
21639 2006-01-10 Richard Guenther <rguenther@suse.de>
21641 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21642 Never override with anything constraint.
21644 2006-01-10 Jan Beulich <jbeulich@novell.com>
21646 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21647 256 bits when optimize_size.
21649 2006-01-10 Jan Beulich <jbeulich@novell.com>
21651 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21653 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21654 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21657 2006-01-10 Ben Elliston <bje@au.ibm.com>
21659 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21661 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21662 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21663 (USE_FP_FOR_ARG): Reject decimal float modes.
21664 (function_arg_advance): Likewise.
21665 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21666 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21667 point types in AltiVec vectors.
21668 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21669 (rs6000_libcall_value): Likewise.
21671 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21673 * config/xtensa/ieee754-df.S: New file.
21674 * config/xtensa/ieee754-sf.S: New file.
21675 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21676 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21677 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21679 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21681 * config/sh/predicates.md (binary_float_operator,
21682 binary_logical_operator, commutative_float_operator,
21683 equality_comparison_operator, greater_comparison_operator,
21684 less_comparison_operator, logical_operator,
21685 noncommutative_float_operator, shift_operator,
21686 symbol_ref_operand, unary_float_operator): Remove redundant
21689 2006-01-09 Jeff Law <law@redhat.com>
21691 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21692 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21693 now unused arguments. Callers updated.
21694 (eliminate_redundant_computations): Remove now unused arguments,
21696 (local_fold): Remove, no longer used.
21697 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21699 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21700 (simplify_cond): New function.
21701 (forward_propagate_into_cond): Call simplify_cond.
21703 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21705 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21706 (*vec_extractv2di_1_sse): New.
21708 2006-01-09 Ben Elliston <bje@au.ibm.com>
21710 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21712 2006-01-08 Richard Guenther <rguenther@suse.de>
21714 * tree-ssa-structalias.c (get_constraint_for): Remove
21715 anyoffset argument.
21716 (get_constraint_for_component_ref): Likewise.
21717 (do_deref): Likewise.
21718 (get_constraint_for): Likewise.
21719 (do_structure_copy): Likewise.
21720 (handle_ptr_arith): Likewise.
21721 (find_func_aliases): Likewise. Remove unused need_anyoffset
21724 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21725 Kaz Kojima <kkojima@gcc.gnu.org>
21727 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21728 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21729 (EXTRA_CONSTRAINT_C16): Remove.
21730 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21731 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21732 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21733 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21734 constants of SHmedia. Handle nested constant expressions of
21736 (andcosts): Fix the costs for SHmedia constants.
21737 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21738 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21739 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21740 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21741 (movv4hi_i, movv2si_i): Likewise.
21742 (movsi_const): Adjust the second operand of ior so to match with
21743 the Csu constraint.
21744 (movdi_const, movdi_const_32bit): Likewise.
21745 (movdi_const_16bit+1): Don't sign-extend LOW.
21746 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21748 (*double_shori): Fix the split condition. Use GEN_INT instead
21749 of get_int_mode calls. Mask lower 16-bit of the argument of
21751 (sym2GOTPLT): Remove.
21752 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21754 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21755 instead of EXTRA_CONSTRAINT_C16.
21757 2006-01-07 Ian Lance Taylor <ian@airs.com>
21758 David Edelsohn <edelsohn@gnu.org>
21760 PR rtl-optimization/25662
21761 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21762 for constant operands instead of simplify_gen_binary.
21763 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21764 after trying simplify_binary_operation
21766 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21768 * tree.c (iterative_hash_expr): Hash decls based on UID.
21770 2006-01-06 Eric Christopher <echristo@apple.com>
21772 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21773 (TARGET_UNWIND_EMIT): Fix spelling.
21774 * target.h (gcc_target): Add except_table_label.
21775 * except.c (output_function_exception_table): Use.
21776 * varasm.c (default_emit_except_table_label): New.
21777 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21779 (asm_out): Add here.
21780 * output.h (default_emit_except_table_label): Prototype.
21781 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21782 * config/darwin.c (darwin_emit_except_table_label): Define.
21783 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21785 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21787 PR tree-optimization/18527
21788 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21789 number_of_iterations_special, number_of_iterations_exit):
21790 Move base and step of an iv to a single structure. Add
21791 no_overflow flag, and use it in # of iterations analysis.
21792 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21793 folded_casts argument.
21794 (simple_iv): Pass base and step in a structure. Set no_overflow
21796 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21797 Evaluate expensiveness of computing # of iterations instead of
21798 the final expression.
21799 * tree-scalar-evolution.h (affine_iv): New structure.
21800 (simple_iv): Declaration changed.
21801 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21802 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21803 find_givs_in_stmt): Changed due to simple_iv change.
21805 2006-01-06 Jeff Law <law@redhat.com>
21808 * tree-cfg.c (bsi_replace): Rename final argument from
21809 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21810 change (stmt -> orig_stmt).
21811 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21812 (bsi_remove): Add new argument. Remove EH information
21814 (verify_eh_throw_table_statements): New function.
21815 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21817 * tree-optimize.c (execute_free_cfg_annotations): Verify
21818 the EH throw statement table after removing annotations.
21819 * except.h (verify_eh_throw_table_statements): Prototype.
21820 * tree-flow.h (bsi_remove): Update prototype.
21821 * tree-vrp.c (remove_range_assertions): Add new argument to
21823 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21824 * tree-complex.c (expand_complex_div_wide): Likewise.
21825 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21826 * tree-tailcall.c (eliminate_tailcall): Likewise.
21827 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21828 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21829 * tree-nrv.c (tree_nrv): Likewise.
21830 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21831 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21832 (combine_blocks): Likewise.
21833 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21834 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21835 (cleanup_control_flow): Likewise.
21836 (remove_forwarder_block): Likewise.
21837 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21838 * tree-sra.c (sra_replace): Likewise.
21839 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21840 (forward_propagate_single_use_vars): Likewise.
21841 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21842 * tree-inline.c (expand_call_inline): Likewise.
21843 * tree-vect-transform.c (vect_transform_loop): Likewise.
21844 * tree-outof-ssa.c (rewrite_trees): Likewise.
21845 * tree-cfg.c (make_goto_expr_edges): Likewise.
21846 (cleanup_dead_labels): Likewise.
21847 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21848 (bsi_move_before, bsi_move_after): Likewise.
21849 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21850 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21852 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21855 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21857 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21858 on non gimple variables. Also add checks at the top for decls and
21860 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21862 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21863 and IMAGPART_EXPR for creating MUST_DEFs.
21864 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21865 and NAME_MEMORY_TAG separately from the DECLs.
21867 2006-01-06 Richard Guenther <rguenther@suse.de>
21869 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21870 annotation, if necessary.
21871 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21872 redundant calls to update_stmt.
21873 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21876 2006-01-05 Richard Henderson <rth@redhat.com>
21878 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21880 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21882 * c-typeck.c: Update copyright date.
21884 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21886 * c-typeck.c (build_c_cast): Always warn when casting
21887 from a pointer to an integer of different size, even if
21888 the node was constant.
21890 2006-01-05 Richard Guenther <rguenther@suse.de>
21892 PR tree-optimization/22555
21893 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21894 if one structure field is an array.
21895 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21896 operands even if we found a subvar, but ignore VOPs in this
21898 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21900 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21902 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21904 PR middle-end/24998
21905 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21907 2006-01-05 Richard Guenther <rguenther@suse.de>
21908 Diego Novillo <dnovillo@redhat.com>
21910 * tree-pass.h (TODO_remove_unused_locals): Define.
21911 * gimple-low.c (expand_var_p, remove_useless_vars,
21912 pass_remove_useless_vars): Remove. Update all users.
21913 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21914 (remove_unused_locals): New function.
21915 * tree-flow.h (remove_unused_locals): Declare.
21916 * passes.c (execute_todo): Call remove_unused_locals if
21917 TODO_remove_unused_locals is set.
21918 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21919 * tree-ssa-dce.c (pass_dce): Likewise.
21920 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21922 2006-01-05 Richard Guenther <rguenther@suse.de>
21924 * tree-flow.h (struct fieldoff): Decompose field to
21925 type, size and decl.
21926 * tree-ssa-alias.c (create_sft): Take type as parameter.
21927 (create_overlap_variables_for): Store type, size and decl
21928 in the fieldoff structure.
21929 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21930 of struct fieldoff.
21931 (push_fields_onto_fieldstack): Likewise.
21932 (create_variable_info_for): Likewise. Use offset for the
21933 SFT name if the decl is not available.
21935 2006-01-04 Paul Brook <paul@codesourcery.com>
21937 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21939 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21941 * lambda-code.c (can_put_in_inner_loop): Relax
21943 (can_put_after_inner_loop): New function.
21944 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21945 (perfect_nestify): Change to make copies and modify uses.
21947 2006-01-04 Richard Henderson <rth@redhat.com>
21949 Merge from gomp branch:
21950 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21951 via integer constant.
21952 (pragma_lex): Remove.
21953 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21954 rather than parsing it.
21955 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21956 handle_pragma_extern_prefix): Add %< %> quotes.
21957 (registered_pragmas): New.
21958 (c_register_pragma_1): New.
21959 (c_register_pragma): Use it.
21960 (c_register_pragma_with_expansion): Likewise.
21961 (c_invoke_pragma_handler): New.
21962 (init_pragma): Use cpp_register_deferred_pragma directly for
21964 * c-pragma.h (enum pragma_kind): New.
21965 (pragma_handler): New.
21966 (c_invoke_pragma_handler): Declare.
21967 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21969 * c-common.h (c_common_pch_pragma): Update decl.
21970 * Makefile.in (c-parser.o): Update dependencies.
21971 (GTFILES): Add c-pragma.h.
21972 * c-parser.c (struct c_token): Add pragma_kind.
21973 (struct c_parser): Add in_pragma.
21974 (c_lex_one_token): Always initialize keyword and pragma_kind.
21975 Extract data for CPP_PRAGMA.
21976 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21977 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21978 Don't allow CPP_PRAGMA_EOL if in_pragma.
21979 (c_parser_consume_pragma): New.
21980 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21981 (c_parser_skip_to_end_of_parameter): Likewise.
21982 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21983 (c_parser_skip_to_pragma_eol): New.
21984 (c_parser_external_declaration): Handle CPP_PRAGMA.
21985 (c_parser_compound_statement_nostart): Likewise.
21986 (c_parser_statement_after_labels): Likewise.
21987 (c_parser_pragma): New.
21988 (pragma_lex): Likewise.
21989 (c_parser_pragma_pch_preprocess): New.
21990 (c_parser_new): Merge into ...
21991 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21993 2006-01-04 Jeff Law <law@redhat.com>
21996 * tree-cfg.c (bsi_replace): Remove the original statement
21997 from the EH throw statement table.
21999 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22001 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22002 make the prototype extern "C" and add throw ().
22005 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22006 and pos non-negative and pos + len <= 32.
22007 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22008 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22009 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22012 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22013 as well as sizes not multiple of component size.
22016 * function.c (instantiate_expr): New function.
22017 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22018 walk its DECL_VALUE_EXPR with instantiate_expr.
22020 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22021 DW_OP_deref{,_size} if address isn't going to be added.
22023 2006-01-04 Ben Elliston <bje@au.ibm.com>
22025 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22026 * config/fp-bit.c: Likewise.
22028 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22030 * dominance.c: Add comment about why we use DFS numbering
22033 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22034 Richard Henderson <rth@redhat.com>
22036 Merge from gomp-branch:
22037 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22038 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22040 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22042 PR rtl-optimization/25578
22043 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22044 pass a parameter to simplify_shift_const if changing ASHIFTRT
22047 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22049 * builtins.c (get_builtin_sync_mem): New function.
22050 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22051 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22052 Call get_builtin_sync_mem to generate mem rtx.
22054 2006-01-03 Richard Guenther <rguenther@suse.de>
22057 * stmt.c (add_case_node): Make sure to clear overflow flags
22060 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22062 Merge from gomp-branch.
22063 * config/sparc/sync.md: New file.
22064 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22065 UNSPECV_LDSTUB): New constants.
22066 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22067 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22068 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22071 2006-01-03 Roger Sayle <roger@eyesopen.com>
22073 * combine.c (reg_subword_p): New predicate to test whether the
22074 destination of a set refers to a subword/piece of a register.
22075 (try_combine): Generalize the code to merge the setting of a
22076 pseudo to a constant followed by a set of a subword of that
22077 register to a constant.
22079 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22081 * basic-block.h (control_flow_graph): Change the type of
22082 x_label_to_block_map to VEC(basic_block,gc) *.
22083 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22084 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22086 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22087 VEC(basic_block,heap) *.
22088 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22089 ssa_prop_fini): Adjust the uses of cfg_blocks.
22091 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22093 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22095 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22096 hashing trees instead of a pointer hash.
22097 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22098 compare for MEM_EXPR.
22100 PR rtl-optimization/25130
22101 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22102 when comparing MEMs for GCSE
22104 2006-01-03 Ben Elliston <bje@au.ibm.com>
22106 * targhooks.h (default_decimal_float_supported_p): Declare.
22107 * targhooks.c (default_decimal_float_supported_p): Define.
22108 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22109 `default_decimal_float_supported_p'.
22110 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22112 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22114 * combine.c (apply_distributive_law <SUBREG>): Check
22115 TRULY_NOOP_TRUNCATION.
22117 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22119 * dwarf2out.c (have_switched_text_section): Delete.
22120 (have_multiple_function_sections): New.
22121 (have_location_lists): Make 'bool'.
22122 (add_AT_loc_list): Use 'true' not '1'.
22123 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22124 (output_loc_list): Use have_multiple_function_sections.
22125 (output_ranges): Likewise.
22126 (dwarf2out_begin_function): Set have_multiple_function_sections if
22128 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22129 Check function_section rather than DECL_SECTION_NAME.
22130 (dwarf2out_finish): Use have_multiple_function_sections.
22131 Don't clear have_location_lists.
22133 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22134 Jan Hubicka <jh@suse.cz>
22136 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22137 case of conditional jump jumping to the next instruction.
22138 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22139 cases of conditional jump jumping to the next instruction.
22141 2006-01-02 Jan Hubicka <jh@suse.cz>
22143 * i386.c (*_cost): Add COSTS_N_INSNS.
22144 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22146 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22149 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22151 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22153 * config/arm/arm.c (all_fpus): Fix comment typo.
22154 * config/darwin.c: Likewise.
22155 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22156 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22157 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22159 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22161 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22162 (rs6000_split_compare_and_swapqhi): New.
22163 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22164 (sync_compare_and_swapqhi_internal): New.
22165 * config/rs6000/rs6000-protos.h: Declare.